From da91de78217dbb72d46eaff4e28e2d880346d82f Mon Sep 17 00:00:00 2001
From: Bence Laky <b.laky@intrallect.com>
Date: Thu, 12 Nov 2015 10:21:39 +0000
Subject: [PATCH] MDL-42571 assignfeedback_editpdf: Fixed second PDF view

---
 mod/assign/feedback/editpdf/version.php       |   2 +-
 ...dle-assignfeedback_editpdf-editor-debug.js | 126 ++++++++++--------
 ...oodle-assignfeedback_editpdf-editor-min.js |  16 +--
 .../moodle-assignfeedback_editpdf-editor.js   | 126 ++++++++++--------
 .../editpdf/yui/src/editor/js/annotation.js   |   4 +-
 .../yui/src/editor/js/annotationstamp.js      |   4 +-
 .../editpdf/yui/src/editor/js/comment.js      |   2 +-
 .../yui/src/editor/js/commentsearch.js        |   4 +-
 .../editpdf/yui/src/editor/js/drawable.js     |   2 +-
 .../editpdf/yui/src/editor/js/editor.js       |  66 +++++----
 .../editpdf/yui/src/editor/js/globals.js      |  44 +++---
 11 files changed, 213 insertions(+), 183 deletions(-)

diff --git a/mod/assign/feedback/editpdf/version.php b/mod/assign/feedback/editpdf/version.php
index d9cc4ba3adc..42fd727ad59 100644
--- a/mod/assign/feedback/editpdf/version.php
+++ b/mod/assign/feedback/editpdf/version.php
@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2015051100;
+$plugin->version   = 2015111200;
 $plugin->requires  = 2015050500;
 $plugin->component = 'assignfeedback_editpdf';
 
diff --git a/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-debug.js b/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-debug.js
index 565dd2d0c65..50c827faed6 100644
--- a/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-debug.js
+++ b/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-debug.js
@@ -26,23 +26,23 @@ var AJAXBASE = M.cfg.wwwroot + '/mod/assign/feedback/editpdf/ajax.php',
         DIALOGUE : 'assignfeedback_editpdf_widget'
     },
     SELECTOR = {
-        PREVIOUSBUTTON : '.' + CSS.DIALOGUE + ' .navigate-previous-button',
-        NEXTBUTTON : '.' + CSS.DIALOGUE + ' .navigate-next-button',
-        SEARCHCOMMENTSBUTTON : '.' + CSS.DIALOGUE + ' .searchcommentsbutton',
+        PREVIOUSBUTTON :  '.navigate-previous-button',
+        NEXTBUTTON :  ' .navigate-next-button',
+        SEARCHCOMMENTSBUTTON : '.searchcommentsbutton',
         SEARCHFILTER : '.assignfeedback_editpdf_commentsearch input',
         SEARCHCOMMENTSLIST : '.assignfeedback_editpdf_commentsearch ul',
-        PAGESELECT : '.' + CSS.DIALOGUE + ' .navigate-page-select',
-        LOADINGICON : '.' + CSS.DIALOGUE + ' .loading',
-        PROGRESSBARCONTAINER : '.' + CSS.DIALOGUE + ' .progress-info.progress-striped',
-        DRAWINGREGION : '.' + CSS.DIALOGUE + ' .drawingregion',
-        DRAWINGCANVAS : '.' + CSS.DIALOGUE + ' .drawingcanvas',
-        SAVE : '.' + CSS.DIALOGUE + ' .savebutton',
-        COMMENTCOLOURBUTTON : '.' + CSS.DIALOGUE + ' .commentcolourbutton',
-        COMMENTMENU : ' .commentdrawable a',
-        ANNOTATIONCOLOURBUTTON : '.' + CSS.DIALOGUE + ' .annotationcolourbutton',
-        DELETEANNOTATIONBUTTON : '.' + CSS.DIALOGUE + ' .deleteannotationbutton',
+        PAGESELECT : '.navigate-page-select',
+        LOADINGICON : '.loading',
+        PROGRESSBARCONTAINER : '.progress-info.progress-striped',
+        DRAWINGREGION : '.drawingregion',
+        DRAWINGCANVAS : '.drawingcanvas',
+        SAVE : '.savebutton',
+        COMMENTCOLOURBUTTON : '.commentcolourbutton',
+        COMMENTMENU : '.commentdrawable a',
+        ANNOTATIONCOLOURBUTTON :  '.annotationcolourbutton',
+        DELETEANNOTATIONBUTTON : '.deleteannotationbutton',
         UNSAVEDCHANGESDIV : '.assignfeedback_editpdf_unsavedchanges',
-        STAMPSBUTTON : '.' + CSS.DIALOGUE + ' .currentstampbutton',
+        STAMPSBUTTON : '.currentstampbutton',
         DIALOGUE : '.' + CSS.DIALOGUE
     },
     SELECTEDBORDERCOLOUR = 'rgba(200, 200, 255, 0.9)',
@@ -66,14 +66,14 @@ var AJAXBASE = M.cfg.wwwroot + '/mod/assign/feedback/editpdf/ajax.php',
     },
     CLICKTIMEOUT = 300,
     TOOLSELECTOR = {
-        'comment': '.' + CSS.DIALOGUE + ' .commentbutton',
-        'pen': '.' + CSS.DIALOGUE + ' .penbutton',
-        'line': '.' + CSS.DIALOGUE + ' .linebutton',
-        'rectangle': '.' + CSS.DIALOGUE + ' .rectanglebutton',
-        'oval': '.' + CSS.DIALOGUE + ' .ovalbutton',
-        'stamp': '.' + CSS.DIALOGUE + ' .stampbutton',
-        'select': '.' + CSS.DIALOGUE + ' .selectbutton',
-        'highlight': '.' + CSS.DIALOGUE + ' .highlightbutton'
+        'comment': '.commentbutton',
+        'pen': '.penbutton',
+        'line': '.linebutton',
+        'rectangle': '.rectanglebutton',
+        'oval': '.ovalbutton',
+        'stamp': '.stampbutton',
+        'select': '.selectbutton',
+        'highlight': '.highlightbutton'
     },
     STROKEWEIGHT = 4;
 // This file is part of Moodle - http://moodle.org/
@@ -498,7 +498,7 @@ var DRAWABLE = function(editor) {
     this.store_position = function(container, x, y) {
         var drawingregion, scrollx, scrolly;
 
-        drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+        drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION);
         scrollx = parseInt(drawingregion.get('scrollLeft'), 10);
         scrolly = parseInt(drawingregion.get('scrollTop'), 10);
         container.setData('x', x + scrollx);
@@ -680,8 +680,8 @@ Y.extend(ANNOTATION, Y.Base, {
      */
     draw_highlight : function() {
         var bounds,
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
-            offsetcanvas = Y.one(SELECTOR.DRAWINGCANVAS).getXY(),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
+            offsetcanvas = this.editor.get_dialogue_element(SELECTOR.DRAWINGCANVAS).getXY(),
             shape;
 
         if (this.editor.currentannotation === this) {
@@ -1553,7 +1553,7 @@ Y.extend(ANNOTATIONSTAMP, M.assignfeedback_editpdf.annotation, {
      */
     draw : function() {
         var drawable = new M.assignfeedback_editpdf.drawable(this.editor),
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
             node,
             position;
 
@@ -1595,7 +1595,7 @@ Y.extend(ANNOTATIONSTAMP, M.assignfeedback_editpdf.annotation, {
     draw_current_edit : function(edit) {
         var bounds = new M.assignfeedback_editpdf.rect(),
             drawable = new M.assignfeedback_editpdf.drawable(this.editor),
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
             node,
             position;
 
@@ -2245,8 +2245,8 @@ Y.extend(COMMENTSEARCH, M.core.dialogue, {
             commentslist,
             filtertext;
 
-        filternode = Y.one(SELECTOR.SEARCHFILTER);
-        commentslist = Y.one(SELECTOR.SEARCHCOMMENTSLIST);
+        filternode = this.get('editor').get_dialogue_element(SELECTOR.SEARCHFILTER);
+        commentslist = this.get('editor').get_dialogue_element(SELECTOR.SEARCHCOMMENTSLIST);
 
         filtertext = filternode.get('value');
 
@@ -2505,7 +2505,7 @@ var COMMENT = function(editor, gradeid, pageno, x, y, width, colour, rawtext) {
     this.draw = function(focus) {
         var drawable = new M.assignfeedback_editpdf.drawable(this.editor),
             node,
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
             container,
             menu,
             position,
@@ -3272,7 +3272,7 @@ EDITOR.prototype = {
         var button, currenttoolnode, imgurl;
 
         // Initalise the colour buttons.
-        button = Y.one(SELECTOR.COMMENTCOLOURBUTTON);
+        button = this.get_dialogue_element(SELECTOR.COMMENTCOLOURBUTTON);
 
         imgurl = M.util.image_url('background_colour_' + this.currentedit.commentcolour, 'assignfeedback_editpdf');
         button.one('img').setAttribute('src', imgurl);
@@ -3283,15 +3283,15 @@ EDITOR.prototype = {
             button.one('img').setStyle('borderStyle', 'solid');
         }
 
-        button = Y.one(SELECTOR.ANNOTATIONCOLOURBUTTON);
+        button = this.get_dialogue_element(SELECTOR.ANNOTATIONCOLOURBUTTON);
         imgurl = M.util.image_url('colour_' + this.currentedit.annotationcolour, 'assignfeedback_editpdf');
         button.one('img').setAttribute('src', imgurl);
 
-        currenttoolnode = Y.one(TOOLSELECTOR[this.currentedit.tool]);
+        currenttoolnode = this.get_dialogue_element(TOOLSELECTOR[this.currentedit.tool]);
         currenttoolnode.addClass('assignfeedback_editpdf_selectedbutton');
         currenttoolnode.setAttribute('aria-pressed', 'true');
 
-        button = Y.one(SELECTOR.STAMPSBUTTON);
+        button = this.get_dialogue_element(SELECTOR.STAMPSBUTTON);
         button.one('img').setAttrs({'src': this.get_stamp_image_url(this.currentedit.stamp),
                                     'height': '16',
                                     'width': '16'});
@@ -3302,7 +3302,7 @@ EDITOR.prototype = {
      * @method get_canvas_bounds
      */
     get_canvas_bounds : function() {
-        var canvas = Y.one(SELECTOR.DRAWINGCANVAS),
+        var canvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             offsetcanvas = canvas.getXY(),
             offsetleft = offsetcanvas[0],
             offsettop = offsetcanvas[1],
@@ -3361,12 +3361,12 @@ EDITOR.prototype = {
             // Add custom class for styling.
             this.dialogue.get('boundingBox').addClass(CSS.DIALOGUE);
 
-            this.loadingicon = Y.one(SELECTOR.LOADINGICON);
+            this.loadingicon = this.get_dialogue_element(SELECTOR.LOADINGICON);
 
-            drawingcanvas = Y.one(SELECTOR.DRAWINGCANVAS);
+            drawingcanvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS);
             this.graphic = new Y.Graphic({render : SELECTOR.DRAWINGCANVAS});
 
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+            drawingregion = this.get_dialogue_element(SELECTOR.DRAWINGREGION);
             drawingregion.on('scroll', this.move_canvas, this);
 
             if (!this.get('readonly')) {
@@ -3446,7 +3446,7 @@ EDITOR.prototype = {
                             var pagetotal = this.get('pagetotal');
 
                             // Update the progress bar.
-                            var progressbarcontainer = Y.one(SELECTOR.PROGRESSBARCONTAINER);
+                            var progressbarcontainer = this.get_dialogue_element(SELECTOR.PROGRESSBARCONTAINER);
                             var progressbar = progressbarcontainer.one('.bar');
                             if (progressbar) {
                                 // Calculate progress.
@@ -3573,7 +3573,7 @@ EDITOR.prototype = {
             picker,
             filename;
 
-        searchcommentsbutton = Y.one(SELECTOR.SEARCHCOMMENTSBUTTON);
+        searchcommentsbutton = this.get_dialogue_element(SELECTOR.SEARCHCOMMENTSBUTTON);
         searchcommentsbutton.on('click', this.open_search_comments, this);
         searchcommentsbutton.on('key', this.open_search_comments, 'down:13', this);
 
@@ -3582,7 +3582,7 @@ EDITOR.prototype = {
         }
         // Setup the tool buttons.
         Y.each(TOOLSELECTOR, function(selector, tool) {
-            toolnode = Y.one(selector);
+            toolnode = this.get_dialogue_element(selector);
             toolnode.on('click', this.handle_tool_button, this, tool);
             toolnode.on('key', this.handle_tool_button, 'down:13', this, tool);
             toolnode.setAttribute('aria-pressed', 'false');
@@ -3590,7 +3590,7 @@ EDITOR.prototype = {
 
         // Set the default tool.
 
-        commentcolourbutton = Y.one(SELECTOR.COMMENTCOLOURBUTTON);
+        commentcolourbutton = this.get_dialogue_element(SELECTOR.COMMENTCOLOURBUTTON);
         picker = new M.assignfeedback_editpdf.colourpicker({
             buttonNode: commentcolourbutton,
             colours: COMMENTCOLOUR,
@@ -3606,7 +3606,7 @@ EDITOR.prototype = {
             context: this
         });
 
-        annotationcolourbutton = Y.one(SELECTOR.ANNOTATIONCOLOURBUTTON);
+        annotationcolourbutton = this.get_dialogue_element(SELECTOR.ANNOTATIONCOLOURBUTTON);
         picker = new M.assignfeedback_editpdf.colourpicker({
             buttonNode: annotationcolourbutton,
             iconprefix: 'colour_',
@@ -3628,11 +3628,11 @@ EDITOR.prototype = {
 
         stampfiles = this.get('stampfiles');
         if (stampfiles.length <= 0) {
-            Y.one(TOOLSELECTOR.stamp).ancestor().hide();
+            this.get_dialogue_element(TOOLSELECTOR.stamp).ancestor().hide();
         } else {
             filename = stampfiles[0].substr(stampfiles[0].lastIndexOf('/') + 1);
             this.currentedit.stamp = filename;
-            currentstampbutton = Y.one(SELECTOR.STAMPSBUTTON);
+            currentstampbutton = this.get_dialogue_element(SELECTOR.STAMPSBUTTON);
 
             picker = new M.assignfeedback_editpdf.stamppicker({
                 buttonNode: currentstampbutton,
@@ -3665,7 +3665,7 @@ EDITOR.prototype = {
         e.preventDefault();
 
         // Change style of the pressed button.
-        currenttoolnode = Y.one(TOOLSELECTOR[this.currentedit.tool]);
+        currenttoolnode = this.get_dialogue_element(TOOLSELECTOR[this.currentedit.tool]);
         currenttoolnode.removeClass('assignfeedback_editpdf_selectedbutton');
         currenttoolnode.setAttribute('aria-pressed', 'false');
         this.currentedit.tool = tool;
@@ -3725,6 +3725,15 @@ EDITOR.prototype = {
 
         return drawable;
     },
+    
+    /**
+     * Find an element within the dialogue.
+     * @protected
+     * @method get_dialogue_element
+     */
+    get_dialogue_element : function(selector) {
+        return this.dialogue.get('boundingBox').one(selector);
+    },
 
     /**
      * Redraw the active edit.
@@ -3746,7 +3755,7 @@ EDITOR.prototype = {
      */
     edit_start : function(e) {
         e.preventDefault();
-        var canvas = Y.one(SELECTOR.DRAWINGCANVAS),
+        var canvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             offset = canvas.getXY(),
             scrolltop = canvas.get('docScrollY'),
             scrollleft = canvas.get('docScrollX'),
@@ -3817,7 +3826,7 @@ EDITOR.prototype = {
     edit_move : function(e) {
         e.preventDefault();
         var bounds = this.get_canvas_bounds(),
-            canvas = Y.one(SELECTOR.DRAWINGCANVAS),
+            canvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             clientpoint = new M.assignfeedback_editpdf.point(e.clientX + canvas.get('docScrollX'),
                                                              e.clientY + canvas.get('docScrollY')),
             point = this.get_canvas_coordinates(clientpoint);
@@ -3914,7 +3923,7 @@ EDITOR.prototype = {
         if (drawregionheight < 100) {
             drawregionheight = 100;
         }
-        drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+        drawingregion = this.get_dialogue_element(SELECTOR.DRAWINGREGION);
         drawingregion.setStyle('maxHeight', drawregionheight +'px');
         this.redraw();
         return true;
@@ -3974,7 +3983,8 @@ EDITOR.prototype = {
                         if (jsondata.error) {
                             return new M.core.ajaxException(jsondata);
                         }
-                        Y.one(SELECTOR.UNSAVEDCHANGESDIV).addClass('haschanges');
+                        Y.one('#' + this.get('linkid')).siblings(SELECTOR.UNSAVEDCHANGESDIV)
+                            .item(0).addClass('haschanges');
                     } catch (e) {
                         return new M.core.exception(e);
                     }
@@ -4038,13 +4048,13 @@ EDITOR.prototype = {
      * @method change_page
      */
     change_page : function() {
-        var drawingcanvas = Y.one(SELECTOR.DRAWINGCANVAS),
+        var drawingcanvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             page,
             previousbutton,
             nextbutton;
 
-        previousbutton = Y.one(SELECTOR.PREVIOUSBUTTON);
-        nextbutton = Y.one(SELECTOR.NEXTBUTTON);
+        previousbutton = this.get_dialogue_element(SELECTOR.PREVIOUSBUTTON);
+        nextbutton = this.get_dialogue_element(SELECTOR.NEXTBUTTON);
 
         if (this.currentpage > 0) {
             previousbutton.removeAttribute('disabled');
@@ -4064,7 +4074,7 @@ EDITOR.prototype = {
         drawingcanvas.setStyle('height', page.height + 'px');
 
         // Update page select.
-        Y.one(SELECTOR.PAGESELECT).set('value', this.currentpage);
+        this.get_dialogue_element(SELECTOR.PAGESELECT).set('value', this.currentpage);
 
         this.resize(); // Internally will call 'redraw', after checking the dialogue size.
     },
@@ -4082,7 +4092,7 @@ EDITOR.prototype = {
             previousbutton,
             nextbutton;
 
-        pageselect = Y.one(SELECTOR.PAGESELECT);
+        pageselect = this.get_dialogue_element(SELECTOR.PAGESELECT);
 
         var options = pageselect.all('option');
         if (options.size() <= 1) {
@@ -4099,8 +4109,8 @@ EDITOR.prototype = {
             this.change_page();
         }, this);
 
-        previousbutton = Y.one(SELECTOR.PREVIOUSBUTTON);
-        nextbutton = Y.one(SELECTOR.NEXTBUTTON);
+        previousbutton = this.get_dialogue_element(SELECTOR.PREVIOUSBUTTON);
+        nextbutton = this.get_dialogue_element(SELECTOR.NEXTBUTTON);
 
         previousbutton.on('click', this.previous_page, this);
         previousbutton.on('key', this.previous_page, 'down:13', this);
@@ -4144,7 +4154,7 @@ EDITOR.prototype = {
     move_canvas: function() {
         var drawingregion, x, y, i;
 
-        drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+        drawingregion = this.get_dialogue_element(SELECTOR.DRAWINGREGION);
         x = parseInt(drawingregion.get('scrollLeft'), 10);
         y = parseInt(drawingregion.get('scrollTop'), 10);
 
diff --git a/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-min.js b/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-min.js
index e5e4732e481..6848d480cd0 100644
--- a/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-min.js
+++ b/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-min.js
@@ -1,8 +1,8 @@
-YUI.add("moodle-assignfeedback_editpdf-editor",function(e,t){var n=M.cfg.wwwroot+"/mod/assign/feedback/editpdf/ajax.php",r=M.cfg.wwwroot+"/mod/assign/feedback/editpdf/ajax_progress.php",i={DIALOGUE:"assignfeedback_editpdf_widget"},s={PREVIOUSBUTTON:"."+i.DIALOGUE+" .navigate-previous-button",NEXTBUTTON:"."+i.DIALOGUE+" .navigate-next-button",SEARCHCOMMENTSBUTTON:"."+i.DIALOGUE+" .searchcommentsbutton",SEARCHFILTER:".assignfeedback_editpdf_commentsearch input",SEARCHCOMMENTSLIST:".assignfeedback_editpdf_commentsearch ul",PAGESELECT:"."+i.DIALOGUE+" .navigate-page-select",LOADINGICON:"."+i.DIALOGUE+" .loading",PROGRESSBARCONTAINER:"."+i.DIALOGUE+" .progress-info.progress-striped",DRAWINGREGION:"."+i.DIALOGUE+" .drawingregion",DRAWINGCANVAS:"."+i.DIALOGUE+" .drawingcanvas",SAVE:"."+i.DIALOGUE+" .savebutton",COMMENTCOLOURBUTTON:"."+i.DIALOGUE+" .commentcolourbutton",COMMENTMENU:" .commentdrawable a",ANNOTATIONCOLOURBUTTON:"."+i.DIALOGUE+" .annotationcolourbutton",DELETEANNOTATIONBUTTON:"."+i.DIALOGUE+" .deleteannotationbutton",UNSAVEDCHANGESDIV:".assignfeedback_editpdf_unsavedchanges",STAMPSBUTTON:"."+i.DIALOGUE+" .currentstampbutton",DIALOGUE:"."+i.DIALOGUE},o="rgba(200, 200, 255, 0.9)",u="rgba(200, 200, 255, 0.5)",a="rgb(51, 51, 51)",f={white:"rgb(255,255,255)",yellow:"rgb(255,236,174)",red:"rgb(249,181,179)",green:"rgb(214,234,178)",blue:"rgb(203,217,237)",clear:"rgba(255,255,255, 0)"},l={white:"rgb(255,255,255)",yellow:"rgb(255,207,53)",red:"rgb(239,69,64)",green:"rgb(152,202,62)",blue:"rgb(125,159,211)",black:"rgb(51,51,51)"},c=300,h={comment:"."+i.DIALOGUE+" .commentbutton",pen:"."+i.DIALOGUE+" .penbutton",line:"."+i.DIALOGUE+" .linebutton",rectangle:"."+i.DIALOGUE+" .rectanglebutton",oval:"."+i.DIALOGUE+" .ovalbutton",stamp:"."+i.DIALOGUE+" .stampbutton",select:"."+i.DIALOGUE+" .selectbutton",highlight:"."+i.DIALOGUE+" .highlightbutton"},p=4,d=function(e,t){this.x=parseInt(e,10),this.y=parseInt(t,10),this.clip=function(e){return this.x<e.x&&(this.x=e.x),this.x>e.x+e.width&&(this.x=e.x+e.width),this.y<e.y&&(this.y=e.y),this.y>e.y+e.height&&(this.y=e.y+e.height),this}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.point=d;var v=function(e,t,n,r){this.x=e,this.y=t,this.width=n,this.height=r,this.bound=function(e){var t=0,n=0,r=0,i=0,s=0,o;for(s=0;s<e.length;s++){o=e[s];if(o.x<t||s===0)t=o.x;if(o.x>n||s===0)n=o.x;if(o.y<r||s===0)r=o.y;if(o.y>i||s===0)i=o.y}return this.x=t,this.y=r,this.width=n-t,this.height=i-r,this},this.has_min_width=function(){return this.width>=5},this.has_min_height=function(){return this.height>=5},this.set_min_width=function(){this.width=5},this.set_min_height=function(){this.height=5}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.rect=v;var m=function(){this.start=!1,this.end=!1,this.starttime=0,this.annotationstart=!1,this.tool="comment",this.commentcolour="yellow",this.annotationcolour="red",this.stamp="",this.path=[]};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.edit=m;var g=function(t){this.editor=t,this.shapes=[],this.nodes=[],this.erase=function(){if(this.shapes)while(this.shapes.length>0)this.editor.graphic.removeShape(this.shapes.pop());if(this.nodes)while(this.nodes.length>0)this.nodes.pop().remove()},this.scroll_update=function(e,t){var n,r,i;for(n=0;n<this.nodes.length;n++)r=this.nodes[n].getData("x"),i=this.nodes[n].getData("y"),r!==undefined&&i!==undefined&&(this.nodes[n].setX(parseInt(r,10)-e),this.nodes[n].setY(parseInt(i,10)-t))},this.store_position=function(t,n,r){var i,o,u;i=e.one(s.DRAWINGREGION),o=parseInt(i.get("scrollLeft"),10),u=parseInt(i.get("scrollTop"),10),t.setData("x",n+o),t.setData("y",r+u)}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.drawable=g;var y=function(e){y.superclass.constructor.apply(this,[e])};y.NAME="annotation",y.ATTRS={},e.extend(y,e.Base,{editor:null,gradeid:0,pageno:0,x:0,y:0,endx:0,endy:0,path:"",type:"rect",colour:"red",drawable:!1,initializer:function(e){this.editor=e.editor||null,this.gradeid=parseInt(e.gradeid,10)||0,this.pageno=parseInt(e.pageno,10)||0,this.x=parseInt(e.x,10)||0,this.y=parseInt(e.y,10)||0,this.endx=parseInt(e.endx,10)||0,this.endy=parseInt(e.endy,10)||0,this.path=e.path||"",this.type=e.type||"rect",this.colour=e.colour||"red",this.drawable=!1},clean:function(){return{gradeid:this.gradeid,x:parseInt(this.x,10),y:parseInt(this.y,10),endx:parseInt(this.endx,10),endy:parseInt(this.endy,10),type:this.type,path:this.path,pageno:this.pageno,colour:this.colour}},draw_highlight:function(){var t,n=e.one(s.DRAWINGREGION),r=e.one(s.DRAWINGCANVAS).getXY(),i;if(this.editor.currentannotation===this){t=new M.assignfeedback_editpdf.rect,t.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),i=this.editor.graphic.addShape({type:e.Rect,width:t.width,height:t.height,stroke:{weight:p,color:o},fill:{color:u},x:t.x,y:t.y}),this.drawable.shapes.push(i);var a=e.Node.create('<img src="'+M.util.image_url("trash","assignfeedback_editpdf")+'"/>'),f=e.Node.create('<a href="#" role="button"></a>');a.setAttrs({alt:M.util.get_string("deleteannotation","assignfeedback_editpdf")}),a.setStyles({backgroundColor:"white"}),f.addClass("deleteannotationbutton"),f.append(a),n.append(f),f.setData("annotation",this),f.setStyle("zIndex","200"),f.on("click",this.remove,this),f.on("key",this.remove,"space,enter",this),f.setX(r[0]+t.x+t.width-18),f.setY(r[1]+t.y+6),this.drawable.nodes.push(f)}return this.drawable},draw:function(){return this.draw_highlight(),this.drawable},remove:function(e){var t,n;e.preventDefault(),t=this.editor.pages[this.editor.currentpage].annotations;for(n=0;n<t.length;n++)if(t[n]===this){t.splice(n,1),this.drawable&&this.drawable.erase(),this.editor.currentannotation=!1,this.editor.save_current_page();return}},move:function(t,n){var r=t-this.x,i=n-this.y,s,o,u,a,f;this.x+=r,this.y+=i,this.endx+=r,this.endy+=i,this.path&&(s=[
-],o=this.path.split(":"),e.each(o,function(e){u=e.split(","),a=parseInt(u[0],10),f=parseInt(u[1],10),s.push(a+r+","+(f+i))}),this.path=s.join(":")),this.drawable&&this.drawable.erase(),this.editor.drawables.push(this.draw())},draw_current_edit:function(e){var t=e&&!1;return t},init_from_edit:function(e){var t=new M.assignfeedback_editpdf.rect;return t.bound([e.start,e.end]),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=t.y,this.endx=t.x+t.width,this.endy=t.y+t.height,this.colour=e.annotationcolour,this.path="",t.has_min_width()&&t.has_min_height()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotation=y;var b=function(e){b.superclass.constructor.apply(this,[e])};b.NAME="annotationline",b.ATTRS={},e.extend(b,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n;return t=new M.assignfeedback_editpdf.drawable(this.editor),n=this.editor.graphic.addShape({type:e.Path,fill:!1,stroke:{weight:p,color:l[this.colour]}}),n.moveTo(this.x,this.y),n.lineTo(this.endx,this.endy),n.end(),t.shapes.push(n),this.drawable=t,b.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r;return r=this.editor.graphic.addShape({type:e.Path,fill:!1,stroke:{weight:p,color:l[t.annotationcolour]}}),r.moveTo(t.start.x,t.start.y),r.lineTo(t.end.x,t.end.y),r.end(),n.shapes.push(r),n},init_from_edit:function(e){return this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.start.x,this.y=e.start.y,this.endx=e.end.x,this.endy=e.end.y,this.colour=e.annotationcolour,this.path="",this.endx-this.x!==0||this.endy-this.y!==0}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationline=b;var w=function(e){w.superclass.constructor.apply(this,[e])};w.NAME="annotationrectangle",w.ATTRS={},e.extend(w,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n,r;return t=new M.assignfeedback_editpdf.drawable(this.editor),n=new M.assignfeedback_editpdf.rect,n.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),r=this.editor.graphic.addShape({type:e.Rect,width:n.width,height:n.height,stroke:{weight:p,color:l[this.colour]},x:n.x,y:n.y}),t.shapes.push(r),this.drawable=t,w.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i;return i=new M.assignfeedback_editpdf.rect,i.bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),i.has_min_height()||i.set_min_height(),r=this.editor.graphic.addShape({type:e.Rect,width:i.width,height:i.height,stroke:{weight:p,color:l[t.annotationcolour]},x:i.x,y:i.y}),n.shapes.push(r),n}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationrectangle=w;var E=function(e){E.superclass.constructor.apply(this,[e])};E.NAME="annotationoval",E.ATTRS={},e.extend(E,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n,r;return t=new M.assignfeedback_editpdf.drawable(this.editor),n=new M.assignfeedback_editpdf.rect,n.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),r=this.editor.graphic.addShape({type:e.Ellipse,width:n.width,height:n.height,stroke:{weight:p,color:l[this.colour]},x:n.x,y:n.y}),t.shapes.push(r),this.drawable=t,E.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i;return i=new M.assignfeedback_editpdf.rect,i.bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),i.has_min_height()||i.set_min_height(),r=this.editor.graphic.addShape({type:e.Ellipse,width:i.width,height:i.height,stroke:{weight:p,color:l[t.annotationcolour]},x:i.x,y:i.y}),n.shapes.push(r),n}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationoval=E;var S=function(e){S.superclass.constructor.apply(this,[e])};S.NAME="annotationpen",S.ATTRS={},e.extend(S,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n,r,i,s;return t=new M.assignfeedback_editpdf.drawable(this.editor),n=this.editor.graphic.addShape({type:e.Path,fill:!1,stroke:{weight:p,color:l[this.colour]}}),r=!0,i=this.path.split(":"),e.each(i,function(e){s=e.split(","),r?(n.moveTo(s[0],s[1]),r=!1):n.lineTo(s[0],s[1])},this),n.end(),t.shapes.push(n),this.drawable=t,S.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i;return r=this.editor.graphic.addShape({type:e.Path,fill:!1,stroke:{weight:p,color:l[t.annotationcolour]}}),i=!0,e.each(t.path,function(e){i?(r.moveTo(e.x,e.y),i=!1):r.lineTo(e.x,e.y)},this),r.end(),n.shapes.push(r),n},init_from_edit:function(e){var t=new M.assignfeedback_editpdf.rect,n=[],r=0;t.bound(e.path);for(r=0;r<e.path.length;r++)n.push(parseInt(e.path[r].x,10)+","+parseInt(e.path[r].y,10));return this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=t.y,this.endx=t.x+t.width,this.endy=t.y+t.height,this.colour=e.annotationcolour,this.path=n.join(":"),t.has_min_width()||t.has_min_height()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationpen=S;var x=function(e){x.superclass.constructor.apply(this,[e])};x.NAME="annotationhighlight",x.ATTRS={},e.extend(x,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n,r,i;return t=new M.assignfeedback_editpdf.drawable(this.editor),r=new M.assignfeedback_editpdf.rect,r.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),i=l[this.colour],i=i.replace("rgb","rgba"),i=i.replace(")",",0.5)"),n=this.editor.graphic.addShape({type:e.Rect,width:r.width,height:r.height,stroke:!1,
-fill:{color:i},x:r.x,y:r.y}),t.shapes.push(n),this.drawable=t,x.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i,s;return i=new M.assignfeedback_editpdf.rect,i.bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),s=l[t.annotationcolour],s=s.replace("rgb","rgba"),s=s.replace(")",",0.5)"),r=this.editor.graphic.addShape({type:e.Rect,width:i.width,height:16,stroke:!1,fill:{color:s},x:i.x,y:t.start.y}),n.shapes.push(r),n},init_from_edit:function(e){var t=new M.assignfeedback_editpdf.rect;return t.bound([e.start,e.end]),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=e.start.y,this.endx=t.x+t.width,this.endy=e.start.y+16,this.colour=e.annotationcolour,this.page="",t.has_min_width()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationhighlight=x;var T=function(e){T.superclass.constructor.apply(this,[e])};T.NAME="annotationstamp",T.ATTRS={},e.extend(T,M.assignfeedback_editpdf.annotation,{draw:function(){var t=new M.assignfeedback_editpdf.drawable(this.editor),n=e.one(s.DRAWINGREGION),r,i;return i=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(this.x,this.y)),r=e.Node.create("<div/>"),r.setStyles({position:"absolute",display:"inline-block",backgroundImage:"url("+this.editor.get_stamp_image_url(this.path)+")",width:this.endx-this.x,height:this.endy-this.y,backgroundSize:"100% 100%",zIndex:50}),n.append(r),r.setX(i.x),r.setY(i.y),t.store_position(r,i.x,i.y),r.on("gesturemovestart",this.editor.edit_start,null,this.editor),r.on("gesturemove",this.editor.edit_move,null,this.editor),r.on("gesturemoveend",this.editor.edit_end,null,this.editor),t.nodes.push(r),this.drawable=t,T.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.rect,r=new M.assignfeedback_editpdf.drawable(this.editor),i=e.one(s.DRAWINGREGION),o,u;return n.bound([t.start,t.end]),u=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(n.x,n.y)),o=e.Node.create("<div/>"),o.setStyles({position:"absolute",display:"inline-block",backgroundImage:"url("+this.editor.get_stamp_image_url(t.stamp)+")",width:n.width,height:n.height,backgroundSize:"100% 100%",zIndex:50}),i.append(o),o.setX(u.x),o.setY(u.y),r.store_position(o,u.x,u.y),r.nodes.push(o),r},init_from_edit:function(e){var t=new M.assignfeedback_editpdf.rect;return t.bound([e.start,e.end]),t.width<40&&(t.width=40),t.height<40&&(t.height=40),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=t.y,this.endx=t.x+t.width,this.endy=t.y+t.height,this.colour=e.annotationcolour,this.path=e.stamp,!0},move:function(e,t){var n=e-this.x,r=t-this.y;this.x+=n,this.y+=r,this.endx+=n,this.endy+=r,this.drawable&&this.drawable.erase(),this.editor.drawables.push(this.draw())}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationstamp=T;var N="Dropdown menu",C;C=function(e){e.draggable=!1,e.centered=!1,e.width="auto",e.visible=!1,e.footerContent="",C.superclass.constructor.apply(this,[e])},e.extend(C,M.core.dialogue,{initializer:function(t){var n,r,i,s;C.superclass.initializer.call(this,t),s=this.get("boundingBox"),s.addClass("assignfeedback_editpdf_dropdown"),n=this.get("buttonNode"),r=this.bodyNode,i=e.Node.create("<h3/>"),i.addClass("accesshide"),i.setHTML(this.get("headerText")),r.prepend(i),r.on("clickoutside",function(e){this.get("visible")&&e.target.get("id")!==n.get("id")&&e.target.ancestor().get("id")!==n.get("id")&&(e.preventDefault(),this.hide())},this),n.on("click",function(e){e.preventDefault(),this.show()},this),n.on("key",this.show,"enter,space",this)},show:function(){var t=this.get("buttonNode"),n=C.superclass.show.call(this);return this.align(t,[e.WidgetPositionAlign.TL,e.WidgetPositionAlign.BL]),n}},{NAME:N,ATTRS:{headerText:{value:""},buttonNode:{value:null}}}),e.Base.modifyAttrs(C,{modal:{getter:function(){return!1}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.dropdown=C;var k="Colourpicker",L;L=function(e){L.superclass.constructor.apply(this,[e])},e.extend(L,M.assignfeedback_editpdf.dropdown,{initializer:function(t){var n=e.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>'),r;e.each(this.get("colours"),function(t,r){var i,s,o,u,a;o=M.util.get_string(r,"assignfeedback_editpdf"),a=this.get("iconprefix")+r,u=M.util.image_url(a,"assignfeedback_editpdf"),i=e.Node.create('<button><img alt="'+o+'" src="'+u+'"/></button>'),i.setAttribute("data-colour",r),i.setAttribute("data-rgb",t),i.setStyle("backgroundImage","none"),s=e.Node.create("<li/>"),s.append(i),n.append(s)},this),r=e.Node.create("<div/>"),n.delegate("click",this.callback_handler,"button",this),n.delegate("key",this.callback_handler,"down:13","button",this),this.set("headerText",M.util.get_string("colourpicker","assignfeedback_editpdf")),r.append(n),this.set("bodyContent",r),L.superclass.initializer.call(this,t)},callback_handler:function(t){t.preventDefault();var n=this.get("callback"),r=this.get("context"),i;this.hide(),i=e.bind(n,r,t),i()}},{NAME:k,ATTRS:{colours:{value:{}},callback:{value:null},context:{value:null},iconprefix:{value:"colour_"}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.colourpicker=L;var A="Colourpicker",O;O=function(e){O.superclass.constructor.apply(this,[e])},e.extend(O,M.assignfeedback_editpdf.dropdown,{initializer:function(t){var n=e.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>');e.each(this.get("stamps"),function(t){var r,i,s;s=M.util.get_string("stamp","assignfeedback_editpdf"),r=e.Node.create('<button><img height="16" width="16" alt="'+s+'" src="'+t+'"/></button>'),r.setAttribute("data-stamp",t),r.setStyle("backgroundImage","none"),i=e.Node.create("<li/>"),i.append(r),n.append(i)},this)
-,n.delegate("click",this.callback_handler,"button",this),n.delegate("key",this.callback_handler,"down:13","button",this),this.set("headerText",M.util.get_string("stamppicker","assignfeedback_editpdf")),this.set("bodyContent",n),O.superclass.initializer.call(this,t)},callback_handler:function(t){t.preventDefault();var n=this.get("callback"),r=this.get("context"),i;this.hide(),i=e.bind(n,r,t),i()}},{NAME:A,ATTRS:{stamps:{value:[]},callback:{value:null},context:{value:null}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.stamppicker=O;var _="Commentmenu",D;D=function(e){D.superclass.constructor.apply(this,[e])},e.extend(D,M.assignfeedback_editpdf.dropdown,{initializer:function(t){var n,r,i,s;s=this.get("comment"),n=e.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>'),r=e.Node.create('<li><a tabindex="-1" href="#">'+M.util.get_string("addtoquicklist","assignfeedback_editpdf")+"</a></li>"),r.on("click",s.add_to_quicklist,s),r.on("key",s.add_to_quicklist,"enter,space",s),n.append(r),r=e.Node.create('<li><a tabindex="-1" href="#">'+M.util.get_string("deletecomment","assignfeedback_editpdf")+"</a></li>"),r.on("click",function(e){e.preventDefault(),this.menu.hide(),this.remove()},s),r.on("key",function(){s.menu.hide(),s.remove()},"enter,space",s),n.append(r),r=e.Node.create("<li><hr/></li>"),n.append(r),this.set("headerText",M.util.get_string("commentcontextmenu","assignfeedback_editpdf")),i=e.Node.create("<div/>"),i.append(n),this.set("bodyContent",i),D.superclass.initializer.call(this,t)},show:function(){var t=this.get("boundingBox").one("ul");t.all(".quicklist_comment").remove(!0);var n=this.get("comment");n.deleteme=!1,e.each(n.editor.quicklist.comments,function(r){var i=e.Node.create('<li class="quicklist_comment"></li>'),s=e.Node.create('<a href="#" tabindex="-1">'+r.rawtext+"</a>"),o=e.Node.create('<a href="#" tabindex="-1" class="delete_quicklist_comment"><img src="'+M.util.image_url("t/delete","core")+'" '+'alt="'+M.util.get_string("deletecomment","assignfeedback_editpdf")+'"/>'+"</a>");i.append(s),i.append(o),t.append(i),s.on("click",n.set_from_quick_comment,n,r),s.on("key",n.set_from_quick_comment,"space,enter",n,r),o.on("click",n.remove_from_quicklist,n,r),o.on("key",n.remove_from_quicklist,"space,enter",n,r)},this),D.superclass.show.call(this)}},{NAME:_,ATTRS:{comment:{value:null}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.commentmenu=D;var P="commentsearch",H;H=function(e){e.draggable=!1,e.centered=!0,e.width="400px",e.visible=!1,e.headerContent=M.util.get_string("searchcomments","assignfeedback_editpdf"),e.footerContent="",H.superclass.constructor.apply(this,[e])},e.extend(H,M.core.dialogue,{initializer:function(t){var n,r,i,s,o,u;u=this.get("boundingBox"),u.addClass("assignfeedback_editpdf_commentsearch"),n=this.get("editor"),r=e.Node.create("<div/>"),i=M.util.get_string("filter","assignfeedback_editpdf"),s=e.Node.create('<input type="text" size="20" placeholder="'+i+'"/>'),r.append(s),o=e.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>'),r.append(o),s.on("keyup",this.filter_search_comments,null,this),o.delegate("click",this.focus_on_comment,"a",this),o.delegate("key",this.focus_on_comment,"enter,space","a",this),this.set("bodyContent",r),H.superclass.initializer.call(this,t)},filter_search_comments:function(){var t,n,r;t=e.one(s.SEARCHFILTER),n=e.one(s.SEARCHCOMMENTSLIST),r=t.get("value"),n.all("li").each(function(e){e.get("text").indexOf(r)!==-1?e.show():e.hide()})},focus_on_comment:function(e){e.preventDefault();var t=e.target.ancestor("li"),n=t.getData("comment"),r=this.get("editor");this.hide(),n.pageno===r.currentpage?n.drawable.nodes[0].one("textarea").focus():(r.currentpage=n.pageno,r.change_page(),n.drawable.nodes[0].one("textarea").focus())},show:function(){var t=this.get("boundingBox").one("ul"),n=this.get("editor");t.all("li").remove(!0),e.each(n.pages,function(n){e.each(n.comments,function(n){var r=e.Node.create('<li><a href="#" tabindex="-1"><pre>'+n.rawtext+"</pre></a></li>");t.append(r),r.setData("comment",n)},this)},this),this.centerDialogue(),H.superclass.show.call(this)}},{NAME:P,ATTRS:{editor:{value:null}}}),e.Base.modifyAttrs(H,{modal:{getter:function(){return!0}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.commentsearch=H;var B=function(t,n,r,i,o,u,l,c){this.editor=t,this.gradeid=n||0,this.x=parseInt(i,10)||0,this.y=parseInt(o,10)||0,this.width=parseInt(u,10)||0,this.rawtext=c||"",this.pageno=r||0,this.colour=l||"yellow",this.drawable=!1,this.deleteme=!1,this.menulink=null,this.menu=null,this.clean=function(){return{gradeid:this.gradeid,x:parseInt(this.x,10),y:parseInt(this.y,10),width:parseInt(this.width,10),rawtext:this.rawtext,pageno:this.currentpage,colour:this.colour}},this.draw=function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i=e.one(s.DRAWINGREGION),o,u,l,c;return r=e.Node.create("<textarea/>"),o=e.Node.create('<div class="commentdrawable"/>'),u=e.Node.create('<a href="#"><img src="'+M.util.image_url("t/contextmenu","core")+'"/></a>'),this.menulink=u,o.append(r),this.editor.get("readonly")?r.setAttribute("readonly","readonly"):o.append(u),this.width<100&&(this.width=100),l=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(this.x,this.y)),r.setStyles({width:this.width+"px",backgroundColor:f[this.colour],color:a}),i.append(o),o.setStyle("position","absolute"),o.setX(l.x),o.setY(l.y),n.store_position(o,l.x,l.y),n.nodes.push(o),r.set("value",this.rawtext),c=r.get("scrollHeight"),r.setStyles({height:c+"px",overflow:"hidden"}),this.editor.get("readonly")||this.attach_events(r,u),t&&r.focus(),this.drawable=n,n},this.delete_comment_later=function(){this.deleteme&&this.remove()},this.attach_events=function(t,n){t.on("blur",function(){this.rawtext=t.get("value"),this.width=parseInt(t.getStyle("width"),10),this.rawtext.replace(/^\s+|\s+$/g,"")===""&&(this.deleteme=!0,e.later(400
-,this,this.delete_comment_later)),this.editor.save_current_page(),this.editor.editingcomment=!1},this),n.setData("comment",this),t.on("keyup",function(){var e=t.get("scrollHeight"),n=parseInt(t.getStyle("height"),10);e===n+8&&(e-=8),t.setStyle("height",e+"px")}),t.on("gesturemovestart",function(e){t.setData("dragging",!0),t.setData("offsetx",e.clientX-t.getX()),t.setData("offsety",e.clientY-t.getY())}),t.on("gesturemoveend",function(){t.setData("dragging",!1),this.editor.save_current_page()},null,this),t.on("gesturemove",function(e){var n=e.clientX-t.getData("offsetx"),r=e.clientY-t.getData("offsety"),i,s,o,u,a;i=parseInt(t.getStyle("width"),10),s=parseInt(t.getStyle("height"),10),o=this.editor.get_canvas_coordinates(new M.assignfeedback_editpdf.point(n,r)),a=this.editor.get_canvas_bounds(!0),a.x=0,a.y=0,a.width-=i+42,a.height-=s+8,o.clip(a),this.x=o.x,this.y=o.y,u=this.editor.get_window_coordinates(o),t.ancestor().setX(u.x),t.ancestor().setY(u.y),this.drawable.store_position(t.ancestor(),u.x,u.y)},null,this),this.menu=new M.assignfeedback_editpdf.commentmenu({buttonNode:this.menulink,comment:this})},this.remove=function(){var e=0,t;t=this.editor.pages[this.editor.currentpage].comments;for(e=0;e<t.length;e++)if(t[e]===this){t.splice(e,1),this.drawable.erase(),this.editor.save_current_page();return}},this.remove_from_quicklist=function(e,t){e.preventDefault(),this.menu.hide(),this.editor.quicklist.remove(t)},this.set_from_quick_comment=function(e,t){e.preventDefault(),this.menu.hide(),this.rawtext=t.rawtext,this.width=t.width,this.colour=t.colour,this.editor.save_current_page(),this.editor.redraw()},this.add_to_quicklist=function(e){e.preventDefault(),this.menu.hide(),this.editor.quicklist.add(this)},this.draw_current_edit=function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i;return i=new M.assignfeedback_editpdf.rect,i.bound([t.start,t.end]),r=this.editor.graphic.addShape({type:e.Rect,width:i.width,height:i.height,fill:{color:f[t.commentcolour]},x:i.x,y:i.y}),n.shapes.push(r),n},this.init_from_edit=function(e){var t=new M.assignfeedback_editpdf.rect;return t.bound([e.start,e.end]),t.width<100&&(t.width=100),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=t.y,this.width=t.width,this.colour=e.commentcolour,this.rawtext="",t.has_min_width()&&t.has_min_height()}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.comment=B;var j=function(e,t,n,r){this.rawtext=t||"",this.id=e||0,this.width=n||100,this.colour=r||"yellow"};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.quickcomment=j;var F=function(t){this.editor=t,this.comments=[],this.add=function(t){var r=n,i;if(t.rawtext==="")return;i={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"addtoquicklist",userid:this.editor.get("userid"),commenttext:t.rawtext,width:t.width,colour:t.colour,attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(t,n){var r,i;try{r=e.JSON.parse(n.responseText);if(r.error)return new M.core.ajaxException(r);i=new M.assignfeedback_editpdf.quickcomment(r.id,r.rawtext,r.width,r.colour),this.comments.push(i)}catch(s){return new M.core.exception(s)}},failure:function(e,t){return M.core.exception(t.responseText)}}},e.io(r,i)},this.remove=function(t){var r=n,i;if(!t)return;i={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"removefromquicklist",userid:this.editor.get("userid"),commentid:t.id,attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(){var e;e=this.comments.indexOf(t),e>=0&&this.comments.splice(e,1)},failure:function(e,t){return M.core.exception(t.responseText)}}},e.io(r,i)},this.load=function(){var t=n,r;r={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"loadquicklist",userid:this.editor.get("userid"),attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(t,n){var r;try{r=e.JSON.parse(n.responseText);if(r.error)return new M.core.ajaxException(r);e.each(r,function(e){var t=new M.assignfeedback_editpdf.quickcomment(e.id,e.rawtext,e.width,e.colour);this.comments.push(t)},this)}catch(i){return new M.core.exception(i)}},failure:function(e,t){return M.core.exception(t.responseText)}}},e.io(t,r)}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.quickcommentlist=F;var I=function(){I.superclass.constructor.apply(this,arguments)};I.prototype={dialogue:null,pagecount:0,currentpage:0,pages:[],loadingicon:null,pageimage:null,graphic:null,currentedit:new M.assignfeedback_editpdf.edit,currentdrawable:!1,drawables:[],currentcomment:null,currentannotation:null,lastanntationtool:"pen",quicklist:null,searchcommentswindow:null,currentstamp:null,stamps:[],editingcomment:!1,initializer:function(){var t;t=e.one("#"+this.get("linkid")),t&&(t.on("click",this.link_handler,this),t.on("key",this.link_handler,"down:13",this),this.currentedit.start=!1,this.currentedit.end=!1,this.get("readonly")||(this.quicklist=new M.assignfeedback_editpdf.quickcommentlist(this)))},refresh_button_state:function(){var t,n,r;t=e.one(s.COMMENTCOLOURBUTTON),r=M.util.image_url("background_colour_"+this.currentedit.commentcolour,"assignfeedback_editpdf"),t.one("img").setAttribute("src",r),this.currentedit.commentcolour==="clear"?t.one("img").setStyle("borderStyle","dashed"):t.one("img").setStyle("borderStyle","solid"),t=e.one(s.ANNOTATIONCOLOURBUTTON),r=M.util.image_url("colour_"+this.currentedit.annotationcolour,"assignfeedback_editpdf"),t.one("img").setAttribute("src",r),n=e.one(h[this.currentedit.tool]),n.addClass("assignfeedback_editpdf_selectedbutton"),n.setAttribute("aria-pressed","true"),t=e.one(s.STAMPSBUTTON),t.one("img").setAttrs({src:this.get_stamp_image_url(this.currentedit.stamp),height:"16",width:"16"})},get_canvas_bounds:function(){var t=e.one(s.DRAWINGCANVAS
-),n=t.getXY(),r=n[0],i=n[1],o=parseInt(t.getStyle("width"),10),u=parseInt(t.getStyle("height"),10);return new M.assignfeedback_editpdf.rect(r,i,o,u)},get_canvas_coordinates:function(e){var t=this.get_canvas_bounds(),n=new M.assignfeedback_editpdf.point(e.x-t.x,e.y-t.y);return t.x=t.y=0,n.clip(t),n},get_window_coordinates:function(e){var t=this.get_canvas_bounds(),n=new M.assignfeedback_editpdf.point(e.x+t.x,e.y+t.y);return n},link_handler:function(t){var n,r,o=!0;t.preventDefault(),this.dialogue||(this.dialogue=new M.core.dialogue({headerContent:this.get("header"),bodyContent:this.get("body"),footerContent:this.get("footer"),modal:!0,width:"840px",visible:!1,draggable:!0}),this.dialogue.get("boundingBox").addClass(i.DIALOGUE),this.loadingicon=e.one(s.LOADINGICON),n=e.one(s.DRAWINGCANVAS),this.graphic=new e.Graphic({render:s.DRAWINGCANVAS}),r=e.one(s.DRAWINGREGION),r.on("scroll",this.move_canvas,this),this.get("readonly")||(n.on("gesturemovestart",this.edit_start,null,this),n.on("gesturemove",this.edit_move,null,this),n.on("gesturemoveend",this.edit_end,null,this),this.refresh_button_state()),this.load_all_pages(),n.on("windowresize",this.resize,this),o=!1),this.dialogue.centerDialogue(),this.dialogue.show(),this.dialogue.dd.on("drag:end",this.redraw,this),o&&this.resize()},load_all_pages:function(){var t=n,i,o,u;i={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"loadallpages",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),readonly:this.get("readonly")?1:0},on:{success:function(e,t){this.all_pages_loaded(t.responseText)},failure:function(e,t){return new M.core.exception(t.responseText)}}},e.io(t,i),this.pagecount<=0&&(o={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"conversionstatus",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid")},on:{success:function(t,n){u=0;if(this.pagecount===0){var i=this.get("pagetotal"),a=e.one(s.PROGRESSBARCONTAINER),f=a.one(".bar");if(f){var l=n.response/i*100;f.setStyle("width",l+"%"),a.setAttribute("aria-valuenow",l)}e.later(1e3,this,function(){e.io(r,o)})}},failure:function(t,n){return u+=1,this.pagecount===0&&u<5&&e.later(1e3,this,function(){e.io(r,o)}),new M.core.exception(n.responseText)}}},e.later(1e3,this,function(){u=0,e.io(r,o)}))},all_pages_loaded:function(t){var n,r,i,s,o;try{n=e.JSON.parse(t);if(n.error||!n.pagecount){this.dialogue.hide(),o=new M.core.alert({message:M.util.get_string("cannotopenpdf","assignfeedback_editpdf")}),o.show();return}}catch(u){this.dialogue.hide(),o=new M.core.alert({title:M.util.get_string("cannotopenpdf","assignfeedback_editpdf")}),o.show();return}this.pagecount=n.pagecount,this.pages=n.pages;for(r=0;r<this.pages.length;r++){for(i=0;i<this.pages[r].comments.length;i++)s=this.pages[r].comments[i],this.pages[r].comments[i]=new M.assignfeedback_editpdf.comment(this,s.gradeid,s.pageno,s.x,s.y,s.width,s.colour,s.rawtext);for(i=0;i<this.pages[r].annotations.length;i++)n=this.pages[r].annotations[i],this.pages[r].annotations[i]=this.create_annotation(n.type,n)}this.quicklist&&this.quicklist.load(),this.setup_navigation(),this.setup_toolbar(),this.change_page()},get_stamp_image_url:function(t){var n=this.get("stampfiles"),r="";return e.Array.each(n,function(e){e.indexOf(t)>0&&(r=e)},this),r},setup_toolbar:function(){var t,n,r,i,o,u,a,c;i=e.one(s.SEARCHCOMMENTSBUTTON),i.on("click",this.open_search_comments,this),i.on("key",this.open_search_comments,"down:13",this);if(this.get("readonly"))return;e.each(h,function(n,r){t=e.one(n),t.on("click",this.handle_tool_button,this,r),t.on("key",this.handle_tool_button,"down:13",this,r),t.setAttribute("aria-pressed","false")},this),n=e.one(s.COMMENTCOLOURBUTTON),a=new M.assignfeedback_editpdf.colourpicker({buttonNode:n,colours:f,iconprefix:"background_colour_",callback:function(e){var t=e.target.getAttribute("data-colour");t||(t=e.target.ancestor().getAttribute("data-colour")),this.currentedit.commentcolour=t,this.handle_tool_button(e,"comment")},context:this}),r=e.one(s.ANNOTATIONCOLOURBUTTON),a=new M.assignfeedback_editpdf.colourpicker({buttonNode:r,iconprefix:"colour_",colours:l,callback:function(e){var t=e.target.getAttribute("data-colour");t||(t=e.target.ancestor().getAttribute("data-colour")),this.currentedit.annotationcolour=t,this.lastannotationtool?this.handle_tool_button(e,this.lastannotationtool):this.handle_tool_button(e,"pen")},context:this}),u=this.get("stampfiles"),u.length<=0?e.one(h.stamp).ancestor().hide():(c=u[0].substr(u[0].lastIndexOf("/")+1),this.currentedit.stamp=c,o=e.one(s.STAMPSBUTTON),a=new M.assignfeedback_editpdf.stamppicker({buttonNode:o,stamps:u,callback:function(e){var t=e.target.getAttribute("data-stamp"),n;t||(t=e.target.ancestor().getAttribute("data-stamp")),n=t.substr(t.lastIndexOf("/")),this.currentedit.stamp=n,this.handle_tool_button(e,"stamp")},context:this}),this.refresh_button_state())},handle_tool_button:function(t,n){var r;t.preventDefault(),r=e.one(h[this.currentedit.tool]),r.removeClass("assignfeedback_editpdf_selectedbutton"),r.setAttribute("aria-pressed","false"),this.currentedit.tool=n,n!=="comment"&&n!=="select"&&n!=="stamp"&&(this.lastannotationtool=n),this.refresh_button_state()},stringify_current_page:function(){var t=[],n=[],r,i=0;for(i=0;i<this.pages[this.currentpage].comments.length;i++)t[i]=this.pages[this.currentpage].comments[i].clean();for(i=0;i<this.pages[this.currentpage].annotations.length;i++)n[i]=this.pages[this.currentpage].annotations[i].clean();return r={comments:t,annotations:n},e.JSON.stringify(r)},get_current_drawable:function(){var e,t,n=!1;return!this.currentedit.start||!this.currentedit.end?!1:(this.currentedit.tool==="comment"?(e=new M.assignfeedback_editpdf.comment(this),n=e.draw_current_edit(this.currentedit)):(t=this.create_annotation(this.currentedit.tool,{}),t&&(n=t.draw_current_edit(this.currentedit))),n)},redraw_current_edit:function(){this.currentdrawable&&this
-.currentdrawable.erase(),this.currentdrawable=this.get_current_drawable()},edit_start:function(t){t.preventDefault();var n=e.one(s.DRAWINGCANVAS),r=n.getXY(),i=n.get("docScrollY"),o=n.get("docScrollX"),u={x:t.clientX-r[0]+o,y:t.clientY-r[1]+i},a=!1,f;if(t.button===3)return;if(this.currentedit.starttime)return;if(this.editingcomment)return;this.currentedit.starttime=(new Date).getTime(),this.currentedit.start=u,this.currentedit.end={x:u.x,y:u.y};if(this.currentedit.tool==="select"){var l=this.currentedit.end.x,c=this.currentedit.end.y,h=this.pages[this.currentpage].annotations;e.each(h,function(e){(l-e.x)*(l-e.endx)<=0&&(c-e.y)*(c-e.endy)<=0&&(a=e)}),a&&(f=this.currentannotation,this.currentannotation=a,f&&f!==a&&f.drawable&&(f.drawable.erase(),this.drawables.push(f.draw())),this.currentannotation.drawable&&this.currentannotation.drawable.erase(),this.drawables.push(this.currentannotation.draw()))}this.currentannotation&&(this.currentedit.annotationstart={x:this.currentannotation.x,y:this.currentannotation.y})},edit_move:function(t){t.preventDefault();var n=this.get_canvas_bounds(),r=e.one(s.DRAWINGCANVAS),i=new M.assignfeedback_editpdf.point(t.clientX+r.get("docScrollX"),t.clientY+r.get("docScrollY")),o=this.get_canvas_coordinates(i);if(o.x<0||o.x>n.width||o.y<0||o.y>n.height)return;this.currentedit.tool==="pen"&&this.currentedit.path.push(o),this.currentedit.tool==="select"?this.currentannotation&&this.currentedit&&this.currentannotation.move(this.currentedit.annotationstart.x+o.x-this.currentedit.start.x,this.currentedit.annotationstart.y+o.y-this.currentedit.start.y):this.currentedit.start&&(this.currentedit.end=o,this.redraw_current_edit())},edit_end:function(){var e,t,n;e=(new Date).getTime()-this.currentedit.start;if(e<c||this.currentedit.start===!1)return;this.currentedit.tool==="comment"?(this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=!1,t=new M.assignfeedback_editpdf.comment(this),t.init_from_edit(this.currentedit)&&(this.pages[this.currentpage].comments.push(t),this.drawables.push(t.draw(!0)),this.editingcomment=!0)):(n=this.create_annotation(this.currentedit.tool,{}),n&&(this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=!1,n.init_from_edit(this.currentedit)&&(this.pages[this.currentpage].annotations.push(n),this.drawables.push(n.draw())))),this.save_current_page(),this.currentedit.starttime=0,this.currentedit.start=!1,this.currentedit.end=!1,this.currentedit.path=[]},resize:function(){var t,n;if(!this.dialogue.get("visible"))return;return this.dialogue.centerDialogue(),n=e.one("body").get("winHeight")-120,n<100&&(n=100),t=e.one(s.DRAWINGREGION),t.setStyle("maxHeight",n+"px"),this.redraw(),!0},create_annotation:function(e,t){return t.type=e,t.editor=this,e==="line"?new M.assignfeedback_editpdf.annotationline(t):e==="rectangle"?new M.assignfeedback_editpdf.annotationrectangle(t):e==="oval"?new M.assignfeedback_editpdf.annotationoval(t):e==="pen"?new M.assignfeedback_editpdf.annotationpen(t):e==="highlight"?new M.assignfeedback_editpdf.annotationhighlight(t):e==="stamp"?new M.assignfeedback_editpdf.annotationstamp(t):!1},save_current_page:function(){var t=n,r;r={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"savepage",index:this.currentpage,userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),page:this.stringify_current_page()},on:{success:function(t,n){var r;try{r=e.JSON.parse(n.responseText);if(r.error)return new M.core.ajaxException(r);e.one(s.UNSAVEDCHANGESDIV).addClass("haschanges")}catch(i){return new M.core.exception(i)}},failure:function(e,t){return new M.core.exception(t.responseText)}}},e.io(t,r)},open_search_comments:function(e){this.searchcommentswindow||(this.searchcommentswindow=new M.assignfeedback_editpdf.commentsearch({editor:this})),this.searchcommentswindow.show(),e.preventDefault()},redraw:function(){var e,t;t=this.pages[this.currentpage];if(t===undefined)return;while(this.drawables.length>0)this.drawables.pop().erase();for(e=0;e<t.annotations.length;e++)this.drawables.push(t.annotations[e].draw());for(e=0;e<t.comments.length;e++)this.drawables.push(t.comments[e].draw(!1))},change_page:function(){var t=e.one(s.DRAWINGCANVAS),n,r,i;r=e.one(s.PREVIOUSBUTTON),i=e.one(s.NEXTBUTTON),this.currentpage>0?r.removeAttribute("disabled"):r.setAttribute("disabled","true"),this.currentpage<this.pagecount-1?i.removeAttribute("disabled"):i.setAttribute("disabled","true"),n=this.pages[this.currentpage],this.loadingicon.hide(),t.setStyle("backgroundImage",'url("'+n.url+'")'),t.setStyle("width",n.width+"px"),t.setStyle("height",n.height+"px"),e.one(s.PAGESELECT).set("value",this.currentpage),this.resize()},setup_navigation:function(){var t,n,r,i,o;t=e.one(s.PAGESELECT);var u=t.all("option");if(u.size()<=1)for(n=0;n<this.pages.length;n++)r=e.Node.create("<option/>"),r.setAttribute("value",n),r.setHTML(M.util.get_string("pagenumber","assignfeedback_editpdf",n+1)),t.append(r);t.removeAttribute("disabled"),t.on("change",function(){this.currentpage=t.get("value"),this.change_page()},this),i=e.one(s.PREVIOUSBUTTON),o=e.one(s.NEXTBUTTON),i.on("click",this.previous_page,this),i.on("key",this.previous_page,"down:13",this),o.on("click",this.next_page,this),o.on("key",this.next_page,"down:13",this)},previous_page:function(e){e.preventDefault(),this.currentpage--,this.currentpage<0&&(this.currentpage=0),this.change_page()},next_page:function(e){e.preventDefault(),this.currentpage++,this.currentpage>=this.pages.length&&(this.currentpage=this.pages.length-1),this.change_page()},move_canvas:function(){var t,n,r,i;t=e.one(s.DRAWINGREGION),n=parseInt(t.get("scrollLeft"),10),r=parseInt(t.get("scrollTop"),10);for(i=0;i<this.drawables.length;i++)this.drawables[i].scroll_update(n,r)}},e.extend(I,e.Base,I.prototype,{NAME:"moodle-assignfeedback_editpdf-editor",ATTRS:{userid:{validator:e.Lang.isInteger,value:0},assignmentid:{validator:e.Lang.isInteger,value:0},attemptnumber:{validator
-:e.Lang.isInteger,value:0},header:{validator:e.Lang.isString,value:""},body:{validator:e.Lang.isString,value:""},footer:{validator:e.Lang.isString,value:""},linkid:{validator:e.Lang.isString,value:""},deletelinkid:{validator:e.Lang.isString,value:""},readonly:{validator:e.Lang.isBoolean,value:!0},stampfiles:{validator:e.Lang.isArray,value:""},pagetotal:{validator:e.Lang.isInteger,value:0}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.editor=M.assignfeedback_editpdf.editor||{},M.assignfeedback_editpdf.editor.init=M.assignfeedback_editpdf.editor.init||function(e){return new I(e)}},"@VERSION@",{requires:["base","event","node","io","graphics","json","event-move","event-resize","querystring-stringify-simple","moodle-core-notification-dialog","moodle-core-notification-exception","moodle-core-notification-ajaxexception"]});
+YUI.add("moodle-assignfeedback_editpdf-editor",function(e,t){var n=M.cfg.wwwroot+"/mod/assign/feedback/editpdf/ajax.php",r=M.cfg.wwwroot+"/mod/assign/feedback/editpdf/ajax_progress.php",i={DIALOGUE:"assignfeedback_editpdf_widget"},s={PREVIOUSBUTTON:".navigate-previous-button",NEXTBUTTON:" .navigate-next-button",SEARCHCOMMENTSBUTTON:".searchcommentsbutton",SEARCHFILTER:".assignfeedback_editpdf_commentsearch input",SEARCHCOMMENTSLIST:".assignfeedback_editpdf_commentsearch ul",PAGESELECT:".navigate-page-select",LOADINGICON:".loading",PROGRESSBARCONTAINER:".progress-info.progress-striped",DRAWINGREGION:".drawingregion",DRAWINGCANVAS:".drawingcanvas",SAVE:".savebutton",COMMENTCOLOURBUTTON:".commentcolourbutton",COMMENTMENU:".commentdrawable a",ANNOTATIONCOLOURBUTTON:".annotationcolourbutton",DELETEANNOTATIONBUTTON:".deleteannotationbutton",UNSAVEDCHANGESDIV:".assignfeedback_editpdf_unsavedchanges",STAMPSBUTTON:".currentstampbutton",DIALOGUE:"."+i.DIALOGUE},o="rgba(200, 200, 255, 0.9)",u="rgba(200, 200, 255, 0.5)",a="rgb(51, 51, 51)",f={white:"rgb(255,255,255)",yellow:"rgb(255,236,174)",red:"rgb(249,181,179)",green:"rgb(214,234,178)",blue:"rgb(203,217,237)",clear:"rgba(255,255,255, 0)"},l={white:"rgb(255,255,255)",yellow:"rgb(255,207,53)",red:"rgb(239,69,64)",green:"rgb(152,202,62)",blue:"rgb(125,159,211)",black:"rgb(51,51,51)"},c=300,h={comment:".commentbutton",pen:".penbutton",line:".linebutton",rectangle:".rectanglebutton",oval:".ovalbutton",stamp:".stampbutton",select:".selectbutton",highlight:".highlightbutton"},p=4,d=function(e,t){this.x=parseInt(e,10),this.y=parseInt(t,10),this.clip=function(e){return this.x<e.x&&(this.x=e.x),this.x>e.x+e.width&&(this.x=e.x+e.width),this.y<e.y&&(this.y=e.y),this.y>e.y+e.height&&(this.y=e.y+e.height),this}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.point=d;var v=function(e,t,n,r){this.x=e,this.y=t,this.width=n,this.height=r,this.bound=function(e){var t=0,n=0,r=0,i=0,s=0,o;for(s=0;s<e.length;s++){o=e[s];if(o.x<t||s===0)t=o.x;if(o.x>n||s===0)n=o.x;if(o.y<r||s===0)r=o.y;if(o.y>i||s===0)i=o.y}return this.x=t,this.y=r,this.width=n-t,this.height=i-r,this},this.has_min_width=function(){return this.width>=5},this.has_min_height=function(){return this.height>=5},this.set_min_width=function(){this.width=5},this.set_min_height=function(){this.height=5}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.rect=v;var m=function(){this.start=!1,this.end=!1,this.starttime=0,this.annotationstart=!1,this.tool="comment",this.commentcolour="yellow",this.annotationcolour="red",this.stamp="",this.path=[]};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.edit=m;var g=function(e){this.editor=e,this.shapes=[],this.nodes=[],this.erase=function(){if(this.shapes)while(this.shapes.length>0)this.editor.graphic.removeShape(this.shapes.pop());if(this.nodes)while(this.nodes.length>0)this.nodes.pop().remove()},this.scroll_update=function(e,t){var n,r,i;for(n=0;n<this.nodes.length;n++)r=this.nodes[n].getData("x"),i=this.nodes[n].getData("y"),r!==undefined&&i!==undefined&&(this.nodes[n].setX(parseInt(r,10)-e),this.nodes[n].setY(parseInt(i,10)-t))},this.store_position=function(e,t,n){var r,i,o;r=this.editor.get_dialogue_element(s.DRAWINGREGION),i=parseInt(r.get("scrollLeft"),10),o=parseInt(r.get("scrollTop"),10),e.setData("x",t+i),e.setData("y",n+o)}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.drawable=g;var y=function(e){y.superclass.constructor.apply(this,[e])};y.NAME="annotation",y.ATTRS={},e.extend(y,e.Base,{editor:null,gradeid:0,pageno:0,x:0,y:0,endx:0,endy:0,path:"",type:"rect",colour:"red",drawable:!1,initializer:function(e){this.editor=e.editor||null,this.gradeid=parseInt(e.gradeid,10)||0,this.pageno=parseInt(e.pageno,10)||0,this.x=parseInt(e.x,10)||0,this.y=parseInt(e.y,10)||0,this.endx=parseInt(e.endx,10)||0,this.endy=parseInt(e.endy,10)||0,this.path=e.path||"",this.type=e.type||"rect",this.colour=e.colour||"red",this.drawable=!1},clean:function(){return{gradeid:this.gradeid,x:parseInt(this.x,10),y:parseInt(this.y,10),endx:parseInt(this.endx,10),endy:parseInt(this.endy,10),type:this.type,path:this.path,pageno:this.pageno,colour:this.colour}},draw_highlight:function(){var t,n=this.editor.get_dialogue_element(s.DRAWINGREGION),r=this.editor.get_dialogue_element(s.DRAWINGCANVAS).getXY(),i;if(this.editor.currentannotation===this){t=new M.assignfeedback_editpdf.rect,t.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),i=this.editor.graphic.addShape({type:e.Rect,width:t.width,height:t.height,stroke:{weight:p,color:o},fill:{color:u},x:t.x,y:t.y}),this.drawable.shapes.push(i);var a=e.Node.create('<img src="'+M.util.image_url("trash","assignfeedback_editpdf")+'"/>'),f=e.Node.create('<a href="#" role="button"></a>');a.setAttrs({alt:M.util.get_string("deleteannotation","assignfeedback_editpdf")}),a.setStyles({backgroundColor:"white"}),f.addClass("deleteannotationbutton"),f.append(a),n.append(f),f.setData("annotation",this),f.setStyle("zIndex","200"),f.on("click",this.remove,this),f.on("key",this.remove,"space,enter",this),f.setX(r[0]+t.x+t.width-18),f.setY(r[1]+t.y+6),this.drawable.nodes.push(f)}return this.drawable},draw:function(){return this.draw_highlight(),this.drawable},remove:function(e){var t,n;e.preventDefault(),t=this.editor.pages[this.editor.currentpage].annotations;for(n=0;n<t.length;n++)if(t[n]===this){t.splice(n,1),this.drawable&&this.drawable.erase(),this.editor.currentannotation=!1,this.editor.save_current_page();return}},move:function(t,n){var r=t-this.x,i=n-this.y,s,o,u,a,f;this.x+=r,this.y+=i,this.endx+=r,this.endy+=i,this.path&&(s=[],o=this.path.split(":"),e.each(o,function(e){u=e.split(","),a=parseInt(u[0],10),f=parseInt(u[1],10),s.push(a+r+","+(f+i))}),this.path=s.join(":")),this.drawable&&this.drawable.erase(),this.editor.drawables.push(this.draw())},draw_current_edit:function(e)
+{var t=e&&!1;return t},init_from_edit:function(e){var t=new M.assignfeedback_editpdf.rect;return t.bound([e.start,e.end]),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=t.y,this.endx=t.x+t.width,this.endy=t.y+t.height,this.colour=e.annotationcolour,this.path="",t.has_min_width()&&t.has_min_height()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotation=y;var b=function(e){b.superclass.constructor.apply(this,[e])};b.NAME="annotationline",b.ATTRS={},e.extend(b,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n;return t=new M.assignfeedback_editpdf.drawable(this.editor),n=this.editor.graphic.addShape({type:e.Path,fill:!1,stroke:{weight:p,color:l[this.colour]}}),n.moveTo(this.x,this.y),n.lineTo(this.endx,this.endy),n.end(),t.shapes.push(n),this.drawable=t,b.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r;return r=this.editor.graphic.addShape({type:e.Path,fill:!1,stroke:{weight:p,color:l[t.annotationcolour]}}),r.moveTo(t.start.x,t.start.y),r.lineTo(t.end.x,t.end.y),r.end(),n.shapes.push(r),n},init_from_edit:function(e){return this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.start.x,this.y=e.start.y,this.endx=e.end.x,this.endy=e.end.y,this.colour=e.annotationcolour,this.path="",this.endx-this.x!==0||this.endy-this.y!==0}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationline=b;var w=function(e){w.superclass.constructor.apply(this,[e])};w.NAME="annotationrectangle",w.ATTRS={},e.extend(w,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n,r;return t=new M.assignfeedback_editpdf.drawable(this.editor),n=new M.assignfeedback_editpdf.rect,n.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),r=this.editor.graphic.addShape({type:e.Rect,width:n.width,height:n.height,stroke:{weight:p,color:l[this.colour]},x:n.x,y:n.y}),t.shapes.push(r),this.drawable=t,w.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i;return i=new M.assignfeedback_editpdf.rect,i.bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),i.has_min_height()||i.set_min_height(),r=this.editor.graphic.addShape({type:e.Rect,width:i.width,height:i.height,stroke:{weight:p,color:l[t.annotationcolour]},x:i.x,y:i.y}),n.shapes.push(r),n}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationrectangle=w;var E=function(e){E.superclass.constructor.apply(this,[e])};E.NAME="annotationoval",E.ATTRS={},e.extend(E,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n,r;return t=new M.assignfeedback_editpdf.drawable(this.editor),n=new M.assignfeedback_editpdf.rect,n.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),r=this.editor.graphic.addShape({type:e.Ellipse,width:n.width,height:n.height,stroke:{weight:p,color:l[this.colour]},x:n.x,y:n.y}),t.shapes.push(r),this.drawable=t,E.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i;return i=new M.assignfeedback_editpdf.rect,i.bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),i.has_min_height()||i.set_min_height(),r=this.editor.graphic.addShape({type:e.Ellipse,width:i.width,height:i.height,stroke:{weight:p,color:l[t.annotationcolour]},x:i.x,y:i.y}),n.shapes.push(r),n}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationoval=E;var S=function(e){S.superclass.constructor.apply(this,[e])};S.NAME="annotationpen",S.ATTRS={},e.extend(S,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n,r,i,s;return t=new M.assignfeedback_editpdf.drawable(this.editor),n=this.editor.graphic.addShape({type:e.Path,fill:!1,stroke:{weight:p,color:l[this.colour]}}),r=!0,i=this.path.split(":"),e.each(i,function(e){s=e.split(","),r?(n.moveTo(s[0],s[1]),r=!1):n.lineTo(s[0],s[1])},this),n.end(),t.shapes.push(n),this.drawable=t,S.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i;return r=this.editor.graphic.addShape({type:e.Path,fill:!1,stroke:{weight:p,color:l[t.annotationcolour]}}),i=!0,e.each(t.path,function(e){i?(r.moveTo(e.x,e.y),i=!1):r.lineTo(e.x,e.y)},this),r.end(),n.shapes.push(r),n},init_from_edit:function(e){var t=new M.assignfeedback_editpdf.rect,n=[],r=0;t.bound(e.path);for(r=0;r<e.path.length;r++)n.push(parseInt(e.path[r].x,10)+","+parseInt(e.path[r].y,10));return this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=t.y,this.endx=t.x+t.width,this.endy=t.y+t.height,this.colour=e.annotationcolour,this.path=n.join(":"),t.has_min_width()||t.has_min_height()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationpen=S;var x=function(e){x.superclass.constructor.apply(this,[e])};x.NAME="annotationhighlight",x.ATTRS={},e.extend(x,M.assignfeedback_editpdf.annotation,{draw:function(){var t,n,r,i;return t=new M.assignfeedback_editpdf.drawable(this.editor),r=new M.assignfeedback_editpdf.rect,r.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),i=l[this.colour],i=i.replace("rgb","rgba"),i=i.replace(")",",0.5)"),n=this.editor.graphic.addShape({type:e.Rect,width:r.width,height:r.height,stroke:!1,fill:{color:i},x:r.x,y:r.y}),t.shapes.push(n),this.drawable=t,x.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i,s;return i=new M.assignfeedback_editpdf.rect,i.bound([new M.assignfeedback_editpdf
+.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),s=l[t.annotationcolour],s=s.replace("rgb","rgba"),s=s.replace(")",",0.5)"),r=this.editor.graphic.addShape({type:e.Rect,width:i.width,height:16,stroke:!1,fill:{color:s},x:i.x,y:t.start.y}),n.shapes.push(r),n},init_from_edit:function(e){var t=new M.assignfeedback_editpdf.rect;return t.bound([e.start,e.end]),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=e.start.y,this.endx=t.x+t.width,this.endy=e.start.y+16,this.colour=e.annotationcolour,this.page="",t.has_min_width()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationhighlight=x;var T=function(e){T.superclass.constructor.apply(this,[e])};T.NAME="annotationstamp",T.ATTRS={},e.extend(T,M.assignfeedback_editpdf.annotation,{draw:function(){var t=new M.assignfeedback_editpdf.drawable(this.editor),n=this.editor.get_dialogue_element(s.DRAWINGREGION),r,i;return i=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(this.x,this.y)),r=e.Node.create("<div/>"),r.setStyles({position:"absolute",display:"inline-block",backgroundImage:"url("+this.editor.get_stamp_image_url(this.path)+")",width:this.endx-this.x,height:this.endy-this.y,backgroundSize:"100% 100%",zIndex:50}),n.append(r),r.setX(i.x),r.setY(i.y),t.store_position(r,i.x,i.y),r.on("gesturemovestart",this.editor.edit_start,null,this.editor),r.on("gesturemove",this.editor.edit_move,null,this.editor),r.on("gesturemoveend",this.editor.edit_end,null,this.editor),t.nodes.push(r),this.drawable=t,T.superclass.draw.apply(this)},draw_current_edit:function(t){var n=new M.assignfeedback_editpdf.rect,r=new M.assignfeedback_editpdf.drawable(this.editor),i=this.editor.get_dialogue_element(s.DRAWINGREGION),o,u;return n.bound([t.start,t.end]),u=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(n.x,n.y)),o=e.Node.create("<div/>"),o.setStyles({position:"absolute",display:"inline-block",backgroundImage:"url("+this.editor.get_stamp_image_url(t.stamp)+")",width:n.width,height:n.height,backgroundSize:"100% 100%",zIndex:50}),i.append(o),o.setX(u.x),o.setY(u.y),r.store_position(o,u.x,u.y),r.nodes.push(o),r},init_from_edit:function(e){var t=new M.assignfeedback_editpdf.rect;return t.bound([e.start,e.end]),t.width<40&&(t.width=40),t.height<40&&(t.height=40),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=t.y,this.endx=t.x+t.width,this.endy=t.y+t.height,this.colour=e.annotationcolour,this.path=e.stamp,!0},move:function(e,t){var n=e-this.x,r=t-this.y;this.x+=n,this.y+=r,this.endx+=n,this.endy+=r,this.drawable&&this.drawable.erase(),this.editor.drawables.push(this.draw())}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationstamp=T;var N="Dropdown menu",C;C=function(e){e.draggable=!1,e.centered=!1,e.width="auto",e.visible=!1,e.footerContent="",C.superclass.constructor.apply(this,[e])},e.extend(C,M.core.dialogue,{initializer:function(t){var n,r,i,s;C.superclass.initializer.call(this,t),s=this.get("boundingBox"),s.addClass("assignfeedback_editpdf_dropdown"),n=this.get("buttonNode"),r=this.bodyNode,i=e.Node.create("<h3/>"),i.addClass("accesshide"),i.setHTML(this.get("headerText")),r.prepend(i),r.on("clickoutside",function(e){this.get("visible")&&e.target.get("id")!==n.get("id")&&e.target.ancestor().get("id")!==n.get("id")&&(e.preventDefault(),this.hide())},this),n.on("click",function(e){e.preventDefault(),this.show()},this),n.on("key",this.show,"enter,space",this)},show:function(){var t=this.get("buttonNode"),n=C.superclass.show.call(this);return this.align(t,[e.WidgetPositionAlign.TL,e.WidgetPositionAlign.BL]),n}},{NAME:N,ATTRS:{headerText:{value:""},buttonNode:{value:null}}}),e.Base.modifyAttrs(C,{modal:{getter:function(){return!1}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.dropdown=C;var k="Colourpicker",L;L=function(e){L.superclass.constructor.apply(this,[e])},e.extend(L,M.assignfeedback_editpdf.dropdown,{initializer:function(t){var n=e.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>'),r;e.each(this.get("colours"),function(t,r){var i,s,o,u,a;o=M.util.get_string(r,"assignfeedback_editpdf"),a=this.get("iconprefix")+r,u=M.util.image_url(a,"assignfeedback_editpdf"),i=e.Node.create('<button><img alt="'+o+'" src="'+u+'"/></button>'),i.setAttribute("data-colour",r),i.setAttribute("data-rgb",t),i.setStyle("backgroundImage","none"),s=e.Node.create("<li/>"),s.append(i),n.append(s)},this),r=e.Node.create("<div/>"),n.delegate("click",this.callback_handler,"button",this),n.delegate("key",this.callback_handler,"down:13","button",this),this.set("headerText",M.util.get_string("colourpicker","assignfeedback_editpdf")),r.append(n),this.set("bodyContent",r),L.superclass.initializer.call(this,t)},callback_handler:function(t){t.preventDefault();var n=this.get("callback"),r=this.get("context"),i;this.hide(),i=e.bind(n,r,t),i()}},{NAME:k,ATTRS:{colours:{value:{}},callback:{value:null},context:{value:null},iconprefix:{value:"colour_"}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.colourpicker=L;var A="Colourpicker",O;O=function(e){O.superclass.constructor.apply(this,[e])},e.extend(O,M.assignfeedback_editpdf.dropdown,{initializer:function(t){var n=e.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>');e.each(this.get("stamps"),function(t){var r,i,s;s=M.util.get_string("stamp","assignfeedback_editpdf"),r=e.Node.create('<button><img height="16" width="16" alt="'+s+'" src="'+t+'"/></button>'),r.setAttribute("data-stamp",t),r.setStyle("backgroundImage","none"),i=e.Node.create("<li/>"),i.append(r),n.append(i)},this),n.delegate("click",this.callback_handler,"button",this),n.delegate("key",this.callback_handler,"down:13","button",this),this.set("headerText",M.util.get_string("stamppicker","assignfeedback_editpdf")),this.set("bodyContent"
+,n),O.superclass.initializer.call(this,t)},callback_handler:function(t){t.preventDefault();var n=this.get("callback"),r=this.get("context"),i;this.hide(),i=e.bind(n,r,t),i()}},{NAME:A,ATTRS:{stamps:{value:[]},callback:{value:null},context:{value:null}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.stamppicker=O;var _="Commentmenu",D;D=function(e){D.superclass.constructor.apply(this,[e])},e.extend(D,M.assignfeedback_editpdf.dropdown,{initializer:function(t){var n,r,i,s;s=this.get("comment"),n=e.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>'),r=e.Node.create('<li><a tabindex="-1" href="#">'+M.util.get_string("addtoquicklist","assignfeedback_editpdf")+"</a></li>"),r.on("click",s.add_to_quicklist,s),r.on("key",s.add_to_quicklist,"enter,space",s),n.append(r),r=e.Node.create('<li><a tabindex="-1" href="#">'+M.util.get_string("deletecomment","assignfeedback_editpdf")+"</a></li>"),r.on("click",function(e){e.preventDefault(),this.menu.hide(),this.remove()},s),r.on("key",function(){s.menu.hide(),s.remove()},"enter,space",s),n.append(r),r=e.Node.create("<li><hr/></li>"),n.append(r),this.set("headerText",M.util.get_string("commentcontextmenu","assignfeedback_editpdf")),i=e.Node.create("<div/>"),i.append(n),this.set("bodyContent",i),D.superclass.initializer.call(this,t)},show:function(){var t=this.get("boundingBox").one("ul");t.all(".quicklist_comment").remove(!0);var n=this.get("comment");n.deleteme=!1,e.each(n.editor.quicklist.comments,function(r){var i=e.Node.create('<li class="quicklist_comment"></li>'),s=e.Node.create('<a href="#" tabindex="-1">'+r.rawtext+"</a>"),o=e.Node.create('<a href="#" tabindex="-1" class="delete_quicklist_comment"><img src="'+M.util.image_url("t/delete","core")+'" '+'alt="'+M.util.get_string("deletecomment","assignfeedback_editpdf")+'"/>'+"</a>");i.append(s),i.append(o),t.append(i),s.on("click",n.set_from_quick_comment,n,r),s.on("key",n.set_from_quick_comment,"space,enter",n,r),o.on("click",n.remove_from_quicklist,n,r),o.on("key",n.remove_from_quicklist,"space,enter",n,r)},this),D.superclass.show.call(this)}},{NAME:_,ATTRS:{comment:{value:null}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.commentmenu=D;var P="commentsearch",H;H=function(e){e.draggable=!1,e.centered=!0,e.width="400px",e.visible=!1,e.headerContent=M.util.get_string("searchcomments","assignfeedback_editpdf"),e.footerContent="",H.superclass.constructor.apply(this,[e])},e.extend(H,M.core.dialogue,{initializer:function(t){var n,r,i,s,o,u;u=this.get("boundingBox"),u.addClass("assignfeedback_editpdf_commentsearch"),n=this.get("editor"),r=e.Node.create("<div/>"),i=M.util.get_string("filter","assignfeedback_editpdf"),s=e.Node.create('<input type="text" size="20" placeholder="'+i+'"/>'),r.append(s),o=e.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>'),r.append(o),s.on("keyup",this.filter_search_comments,null,this),o.delegate("click",this.focus_on_comment,"a",this),o.delegate("key",this.focus_on_comment,"enter,space","a",this),this.set("bodyContent",r),H.superclass.initializer.call(this,t)},filter_search_comments:function(){var e,t,n;e=this.get("editor").get_dialogue_element(s.SEARCHFILTER),t=this.get("editor").get_dialogue_element(s.SEARCHCOMMENTSLIST),n=e.get("value"),t.all("li").each(function(e){e.get("text").indexOf(n)!==-1?e.show():e.hide()})},focus_on_comment:function(e){e.preventDefault();var t=e.target.ancestor("li"),n=t.getData("comment"),r=this.get("editor");this.hide(),n.pageno===r.currentpage?n.drawable.nodes[0].one("textarea").focus():(r.currentpage=n.pageno,r.change_page(),n.drawable.nodes[0].one("textarea").focus())},show:function(){var t=this.get("boundingBox").one("ul"),n=this.get("editor");t.all("li").remove(!0),e.each(n.pages,function(n){e.each(n.comments,function(n){var r=e.Node.create('<li><a href="#" tabindex="-1"><pre>'+n.rawtext+"</pre></a></li>");t.append(r),r.setData("comment",n)},this)},this),this.centerDialogue(),H.superclass.show.call(this)}},{NAME:P,ATTRS:{editor:{value:null}}}),e.Base.modifyAttrs(H,{modal:{getter:function(){return!0}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.commentsearch=H;var B=function(t,n,r,i,o,u,l,c){this.editor=t,this.gradeid=n||0,this.x=parseInt(i,10)||0,this.y=parseInt(o,10)||0,this.width=parseInt(u,10)||0,this.rawtext=c||"",this.pageno=r||0,this.colour=l||"yellow",this.drawable=!1,this.deleteme=!1,this.menulink=null,this.menu=null,this.clean=function(){return{gradeid:this.gradeid,x:parseInt(this.x,10),y:parseInt(this.y,10),width:parseInt(this.width,10),rawtext:this.rawtext,pageno:this.currentpage,colour:this.colour}},this.draw=function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i=this.editor.get_dialogue_element(s.DRAWINGREGION),o,u,l,c;return r=e.Node.create("<textarea/>"),o=e.Node.create('<div class="commentdrawable"/>'),u=e.Node.create('<a href="#"><img src="'+M.util.image_url("t/contextmenu","core")+'"/></a>'),this.menulink=u,o.append(r),this.editor.get("readonly")?r.setAttribute("readonly","readonly"):o.append(u),this.width<100&&(this.width=100),l=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(this.x,this.y)),r.setStyles({width:this.width+"px",backgroundColor:f[this.colour],color:a}),i.append(o),o.setStyle("position","absolute"),o.setX(l.x),o.setY(l.y),n.store_position(o,l.x,l.y),n.nodes.push(o),r.set("value",this.rawtext),c=r.get("scrollHeight"),r.setStyles({height:c+"px",overflow:"hidden"}),this.editor.get("readonly")||this.attach_events(r,u),t&&r.focus(),this.drawable=n,n},this.delete_comment_later=function(){this.deleteme&&this.remove()},this.attach_events=function(t,n){t.on("blur",function(){this.rawtext=t.get("value"),this.width=parseInt(t.getStyle("width"),10),this.rawtext.replace(/^\s+|\s+$/g,"")===""&&(this.deleteme=!0,e.later(400,this,this.delete_comment_later)),this.editor.save_current_page(),this.editor.editingcomment=!1},this),n.setData("comment",this),
+t.on("keyup",function(){var e=t.get("scrollHeight"),n=parseInt(t.getStyle("height"),10);e===n+8&&(e-=8),t.setStyle("height",e+"px")}),t.on("gesturemovestart",function(e){t.setData("dragging",!0),t.setData("offsetx",e.clientX-t.getX()),t.setData("offsety",e.clientY-t.getY())}),t.on("gesturemoveend",function(){t.setData("dragging",!1),this.editor.save_current_page()},null,this),t.on("gesturemove",function(e){var n=e.clientX-t.getData("offsetx"),r=e.clientY-t.getData("offsety"),i,s,o,u,a;i=parseInt(t.getStyle("width"),10),s=parseInt(t.getStyle("height"),10),o=this.editor.get_canvas_coordinates(new M.assignfeedback_editpdf.point(n,r)),a=this.editor.get_canvas_bounds(!0),a.x=0,a.y=0,a.width-=i+42,a.height-=s+8,o.clip(a),this.x=o.x,this.y=o.y,u=this.editor.get_window_coordinates(o),t.ancestor().setX(u.x),t.ancestor().setY(u.y),this.drawable.store_position(t.ancestor(),u.x,u.y)},null,this),this.menu=new M.assignfeedback_editpdf.commentmenu({buttonNode:this.menulink,comment:this})},this.remove=function(){var e=0,t;t=this.editor.pages[this.editor.currentpage].comments;for(e=0;e<t.length;e++)if(t[e]===this){t.splice(e,1),this.drawable.erase(),this.editor.save_current_page();return}},this.remove_from_quicklist=function(e,t){e.preventDefault(),this.menu.hide(),this.editor.quicklist.remove(t)},this.set_from_quick_comment=function(e,t){e.preventDefault(),this.menu.hide(),this.rawtext=t.rawtext,this.width=t.width,this.colour=t.colour,this.editor.save_current_page(),this.editor.redraw()},this.add_to_quicklist=function(e){e.preventDefault(),this.menu.hide(),this.editor.quicklist.add(this)},this.draw_current_edit=function(t){var n=new M.assignfeedback_editpdf.drawable(this.editor),r,i;return i=new M.assignfeedback_editpdf.rect,i.bound([t.start,t.end]),r=this.editor.graphic.addShape({type:e.Rect,width:i.width,height:i.height,fill:{color:f[t.commentcolour]},x:i.x,y:i.y}),n.shapes.push(r),n},this.init_from_edit=function(e){var t=new M.assignfeedback_editpdf.rect;return t.bound([e.start,e.end]),t.width<100&&(t.width=100),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.x,this.y=t.y,this.width=t.width,this.colour=e.commentcolour,this.rawtext="",t.has_min_width()&&t.has_min_height()}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.comment=B;var j=function(e,t,n,r){this.rawtext=t||"",this.id=e||0,this.width=n||100,this.colour=r||"yellow"};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.quickcomment=j;var F=function(t){this.editor=t,this.comments=[],this.add=function(t){var r=n,i;if(t.rawtext==="")return;i={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"addtoquicklist",userid:this.editor.get("userid"),commenttext:t.rawtext,width:t.width,colour:t.colour,attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(t,n){var r,i;try{r=e.JSON.parse(n.responseText);if(r.error)return new M.core.ajaxException(r);i=new M.assignfeedback_editpdf.quickcomment(r.id,r.rawtext,r.width,r.colour),this.comments.push(i)}catch(s){return new M.core.exception(s)}},failure:function(e,t){return M.core.exception(t.responseText)}}},e.io(r,i)},this.remove=function(t){var r=n,i;if(!t)return;i={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"removefromquicklist",userid:this.editor.get("userid"),commentid:t.id,attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(){var e;e=this.comments.indexOf(t),e>=0&&this.comments.splice(e,1)},failure:function(e,t){return M.core.exception(t.responseText)}}},e.io(r,i)},this.load=function(){var t=n,r;r={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"loadquicklist",userid:this.editor.get("userid"),attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(t,n){var r;try{r=e.JSON.parse(n.responseText);if(r.error)return new M.core.ajaxException(r);e.each(r,function(e){var t=new M.assignfeedback_editpdf.quickcomment(e.id,e.rawtext,e.width,e.colour);this.comments.push(t)},this)}catch(i){return new M.core.exception(i)}},failure:function(e,t){return M.core.exception(t.responseText)}}},e.io(t,r)}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.quickcommentlist=F;var I=function(){I.superclass.constructor.apply(this,arguments)};I.prototype={dialogue:null,pagecount:0,currentpage:0,pages:[],loadingicon:null,pageimage:null,graphic:null,currentedit:new M.assignfeedback_editpdf.edit,currentdrawable:!1,drawables:[],currentcomment:null,currentannotation:null,lastanntationtool:"pen",quicklist:null,searchcommentswindow:null,currentstamp:null,stamps:[],editingcomment:!1,initializer:function(){var t;t=e.one("#"+this.get("linkid")),t&&(t.on("click",this.link_handler,this),t.on("key",this.link_handler,"down:13",this),this.currentedit.start=!1,this.currentedit.end=!1,this.get("readonly")||(this.quicklist=new M.assignfeedback_editpdf.quickcommentlist(this)))},refresh_button_state:function(){var e,t,n;e=this.get_dialogue_element(s.COMMENTCOLOURBUTTON),n=M.util.image_url("background_colour_"+this.currentedit.commentcolour,"assignfeedback_editpdf"),e.one("img").setAttribute("src",n),this.currentedit.commentcolour==="clear"?e.one("img").setStyle("borderStyle","dashed"):e.one("img").setStyle("borderStyle","solid"),e=this.get_dialogue_element(s.ANNOTATIONCOLOURBUTTON),n=M.util.image_url("colour_"+this.currentedit.annotationcolour,"assignfeedback_editpdf"),e.one("img").setAttribute("src",n),t=this.get_dialogue_element(h[this.currentedit.tool]),t.addClass("assignfeedback_editpdf_selectedbutton"),t.setAttribute("aria-pressed","true"),e=this.get_dialogue_element(s.STAMPSBUTTON),e.one("img").setAttrs({src:this.get_stamp_image_url(this.currentedit.stamp),height:"16",width:"16"})},get_canvas_bounds:function(){var e=this.get_dialogue_element(s.DRAWINGCANVAS),t=e.getXY(),n=t[0],r=t[1],i=
+parseInt(e.getStyle("width"),10),o=parseInt(e.getStyle("height"),10);return new M.assignfeedback_editpdf.rect(n,r,i,o)},get_canvas_coordinates:function(e){var t=this.get_canvas_bounds(),n=new M.assignfeedback_editpdf.point(e.x-t.x,e.y-t.y);return t.x=t.y=0,n.clip(t),n},get_window_coordinates:function(e){var t=this.get_canvas_bounds(),n=new M.assignfeedback_editpdf.point(e.x+t.x,e.y+t.y);return n},link_handler:function(t){var n,r,o=!0;t.preventDefault(),this.dialogue||(this.dialogue=new M.core.dialogue({headerContent:this.get("header"),bodyContent:this.get("body"),footerContent:this.get("footer"),modal:!0,width:"840px",visible:!1,draggable:!0}),this.dialogue.get("boundingBox").addClass(i.DIALOGUE),this.loadingicon=this.get_dialogue_element(s.LOADINGICON),n=this.get_dialogue_element(s.DRAWINGCANVAS),this.graphic=new e.Graphic({render:s.DRAWINGCANVAS}),r=this.get_dialogue_element(s.DRAWINGREGION),r.on("scroll",this.move_canvas,this),this.get("readonly")||(n.on("gesturemovestart",this.edit_start,null,this),n.on("gesturemove",this.edit_move,null,this),n.on("gesturemoveend",this.edit_end,null,this),this.refresh_button_state()),this.load_all_pages(),n.on("windowresize",this.resize,this),o=!1),this.dialogue.centerDialogue(),this.dialogue.show(),this.dialogue.dd.on("drag:end",this.redraw,this),o&&this.resize()},load_all_pages:function(){var t=n,i,o,u;i={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"loadallpages",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),readonly:this.get("readonly")?1:0},on:{success:function(e,t){this.all_pages_loaded(t.responseText)},failure:function(e,t){return new M.core.exception(t.responseText)}}},e.io(t,i),this.pagecount<=0&&(o={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"conversionstatus",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid")},on:{success:function(t,n){u=0;if(this.pagecount===0){var i=this.get("pagetotal"),a=this.get_dialogue_element(s.PROGRESSBARCONTAINER),f=a.one(".bar");if(f){var l=n.response/i*100;f.setStyle("width",l+"%"),a.setAttribute("aria-valuenow",l)}e.later(1e3,this,function(){e.io(r,o)})}},failure:function(t,n){return u+=1,this.pagecount===0&&u<5&&e.later(1e3,this,function(){e.io(r,o)}),new M.core.exception(n.responseText)}}},e.later(1e3,this,function(){u=0,e.io(r,o)}))},all_pages_loaded:function(t){var n,r,i,s,o;try{n=e.JSON.parse(t);if(n.error||!n.pagecount){this.dialogue.hide(),o=new M.core.alert({message:M.util.get_string("cannotopenpdf","assignfeedback_editpdf")}),o.show();return}}catch(u){this.dialogue.hide(),o=new M.core.alert({title:M.util.get_string("cannotopenpdf","assignfeedback_editpdf")}),o.show();return}this.pagecount=n.pagecount,this.pages=n.pages;for(r=0;r<this.pages.length;r++){for(i=0;i<this.pages[r].comments.length;i++)s=this.pages[r].comments[i],this.pages[r].comments[i]=new M.assignfeedback_editpdf.comment(this,s.gradeid,s.pageno,s.x,s.y,s.width,s.colour,s.rawtext);for(i=0;i<this.pages[r].annotations.length;i++)n=this.pages[r].annotations[i],this.pages[r].annotations[i]=this.create_annotation(n.type,n)}this.quicklist&&this.quicklist.load(),this.setup_navigation(),this.setup_toolbar(),this.change_page()},get_stamp_image_url:function(t){var n=this.get("stampfiles"),r="";return e.Array.each(n,function(e){e.indexOf(t)>0&&(r=e)},this),r},setup_toolbar:function(){var t,n,r,i,o,u,a,c;i=this.get_dialogue_element(s.SEARCHCOMMENTSBUTTON),i.on("click",this.open_search_comments,this),i.on("key",this.open_search_comments,"down:13",this);if(this.get("readonly"))return;e.each(h,function(e,n){t=this.get_dialogue_element(e),t.on("click",this.handle_tool_button,this,n),t.on("key",this.handle_tool_button,"down:13",this,n),t.setAttribute("aria-pressed","false")},this),n=this.get_dialogue_element(s.COMMENTCOLOURBUTTON),a=new M.assignfeedback_editpdf.colourpicker({buttonNode:n,colours:f,iconprefix:"background_colour_",callback:function(e){var t=e.target.getAttribute("data-colour");t||(t=e.target.ancestor().getAttribute("data-colour")),this.currentedit.commentcolour=t,this.handle_tool_button(e,"comment")},context:this}),r=this.get_dialogue_element(s.ANNOTATIONCOLOURBUTTON),a=new M.assignfeedback_editpdf.colourpicker({buttonNode:r,iconprefix:"colour_",colours:l,callback:function(e){var t=e.target.getAttribute("data-colour");t||(t=e.target.ancestor().getAttribute("data-colour")),this.currentedit.annotationcolour=t,this.lastannotationtool?this.handle_tool_button(e,this.lastannotationtool):this.handle_tool_button(e,"pen")},context:this}),u=this.get("stampfiles"),u.length<=0?this.get_dialogue_element(h.stamp).ancestor().hide():(c=u[0].substr(u[0].lastIndexOf("/")+1),this.currentedit.stamp=c,o=this.get_dialogue_element(s.STAMPSBUTTON),a=new M.assignfeedback_editpdf.stamppicker({buttonNode:o,stamps:u,callback:function(e){var t=e.target.getAttribute("data-stamp"),n;t||(t=e.target.ancestor().getAttribute("data-stamp")),n=t.substr(t.lastIndexOf("/")),this.currentedit.stamp=n,this.handle_tool_button(e,"stamp")},context:this}),this.refresh_button_state())},handle_tool_button:function(e,t){var n;e.preventDefault(),n=this.get_dialogue_element(h[this.currentedit.tool]),n.removeClass("assignfeedback_editpdf_selectedbutton"),n.setAttribute("aria-pressed","false"),this.currentedit.tool=t,t!=="comment"&&t!=="select"&&t!=="stamp"&&(this.lastannotationtool=t),this.refresh_button_state()},stringify_current_page:function(){var t=[],n=[],r,i=0;for(i=0;i<this.pages[this.currentpage].comments.length;i++)t[i]=this.pages[this.currentpage].comments[i].clean();for(i=0;i<this.pages[this.currentpage].annotations.length;i++)n[i]=this.pages[this.currentpage].annotations[i].clean();return r={comments:t,annotations:n},e.JSON.stringify(r)},get_current_drawable:function(){var e,t,n=!1;return!this.currentedit.start||!this.currentedit.end?!1:(this.currentedit.tool==="comment"?(e=new M.assignfeedback_editpdf.comment(this),n=e.draw_current_edit
+(this.currentedit)):(t=this.create_annotation(this.currentedit.tool,{}),t&&(n=t.draw_current_edit(this.currentedit))),n)},get_dialogue_element:function(e){return this.dialogue.get("boundingBox").one(e)},redraw_current_edit:function(){this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=this.get_current_drawable()},edit_start:function(t){t.preventDefault();var n=this.get_dialogue_element(s.DRAWINGCANVAS),r=n.getXY(),i=n.get("docScrollY"),o=n.get("docScrollX"),u={x:t.clientX-r[0]+o,y:t.clientY-r[1]+i},a=!1,f;if(t.button===3)return;if(this.currentedit.starttime)return;if(this.editingcomment)return;this.currentedit.starttime=(new Date).getTime(),this.currentedit.start=u,this.currentedit.end={x:u.x,y:u.y};if(this.currentedit.tool==="select"){var l=this.currentedit.end.x,c=this.currentedit.end.y,h=this.pages[this.currentpage].annotations;e.each(h,function(e){(l-e.x)*(l-e.endx)<=0&&(c-e.y)*(c-e.endy)<=0&&(a=e)}),a&&(f=this.currentannotation,this.currentannotation=a,f&&f!==a&&f.drawable&&(f.drawable.erase(),this.drawables.push(f.draw())),this.currentannotation.drawable&&this.currentannotation.drawable.erase(),this.drawables.push(this.currentannotation.draw()))}this.currentannotation&&(this.currentedit.annotationstart={x:this.currentannotation.x,y:this.currentannotation.y})},edit_move:function(e){e.preventDefault();var t=this.get_canvas_bounds(),n=this.get_dialogue_element(s.DRAWINGCANVAS),r=new M.assignfeedback_editpdf.point(e.clientX+n.get("docScrollX"),e.clientY+n.get("docScrollY")),i=this.get_canvas_coordinates(r);if(i.x<0||i.x>t.width||i.y<0||i.y>t.height)return;this.currentedit.tool==="pen"&&this.currentedit.path.push(i),this.currentedit.tool==="select"?this.currentannotation&&this.currentedit&&this.currentannotation.move(this.currentedit.annotationstart.x+i.x-this.currentedit.start.x,this.currentedit.annotationstart.y+i.y-this.currentedit.start.y):this.currentedit.start&&(this.currentedit.end=i,this.redraw_current_edit())},edit_end:function(){var e,t,n;e=(new Date).getTime()-this.currentedit.start;if(e<c||this.currentedit.start===!1)return;this.currentedit.tool==="comment"?(this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=!1,t=new M.assignfeedback_editpdf.comment(this),t.init_from_edit(this.currentedit)&&(this.pages[this.currentpage].comments.push(t),this.drawables.push(t.draw(!0)),this.editingcomment=!0)):(n=this.create_annotation(this.currentedit.tool,{}),n&&(this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=!1,n.init_from_edit(this.currentedit)&&(this.pages[this.currentpage].annotations.push(n),this.drawables.push(n.draw())))),this.save_current_page(),this.currentedit.starttime=0,this.currentedit.start=!1,this.currentedit.end=!1,this.currentedit.path=[]},resize:function(){var t,n;if(!this.dialogue.get("visible"))return;return this.dialogue.centerDialogue(),n=e.one("body").get("winHeight")-120,n<100&&(n=100),t=this.get_dialogue_element(s.DRAWINGREGION),t.setStyle("maxHeight",n+"px"),this.redraw(),!0},create_annotation:function(e,t){return t.type=e,t.editor=this,e==="line"?new M.assignfeedback_editpdf.annotationline(t):e==="rectangle"?new M.assignfeedback_editpdf.annotationrectangle(t):e==="oval"?new M.assignfeedback_editpdf.annotationoval(t):e==="pen"?new M.assignfeedback_editpdf.annotationpen(t):e==="highlight"?new M.assignfeedback_editpdf.annotationhighlight(t):e==="stamp"?new M.assignfeedback_editpdf.annotationstamp(t):!1},save_current_page:function(){var t=n,r;r={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"savepage",index:this.currentpage,userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),page:this.stringify_current_page()},on:{success:function(t,n){var r;try{r=e.JSON.parse(n.responseText);if(r.error)return new M.core.ajaxException(r);e.one("#"+this.get("linkid")).siblings(s.UNSAVEDCHANGESDIV).item(0).addClass("haschanges")}catch(i){return new M.core.exception(i)}},failure:function(e,t){return new M.core.exception(t.responseText)}}},e.io(t,r)},open_search_comments:function(e){this.searchcommentswindow||(this.searchcommentswindow=new M.assignfeedback_editpdf.commentsearch({editor:this})),this.searchcommentswindow.show(),e.preventDefault()},redraw:function(){var e,t;t=this.pages[this.currentpage];if(t===undefined)return;while(this.drawables.length>0)this.drawables.pop().erase();for(e=0;e<t.annotations.length;e++)this.drawables.push(t.annotations[e].draw());for(e=0;e<t.comments.length;e++)this.drawables.push(t.comments[e].draw(!1))},change_page:function(){var e=this.get_dialogue_element(s.DRAWINGCANVAS),t,n,r;n=this.get_dialogue_element(s.PREVIOUSBUTTON),r=this.get_dialogue_element(s.NEXTBUTTON),this.currentpage>0?n.removeAttribute("disabled"):n.setAttribute("disabled","true"),this.currentpage<this.pagecount-1?r.removeAttribute("disabled"):r.setAttribute("disabled","true"),t=this.pages[this.currentpage],this.loadingicon.hide(),e.setStyle("backgroundImage",'url("'+t.url+'")'),e.setStyle("width",t.width+"px"),e.setStyle("height",t.height+"px"),this.get_dialogue_element(s.PAGESELECT).set("value",this.currentpage),this.resize()},setup_navigation:function(){var t,n,r,i,o;t=this.get_dialogue_element(s.PAGESELECT);var u=t.all("option");if(u.size()<=1)for(n=0;n<this.pages.length;n++)r=e.Node.create("<option/>"),r.setAttribute("value",n),r.setHTML(M.util.get_string("pagenumber","assignfeedback_editpdf",n+1)),t.append(r);t.removeAttribute("disabled"),t.on("change",function(){this.currentpage=t.get("value"),this.change_page()},this),i=this.get_dialogue_element(s.PREVIOUSBUTTON),o=this.get_dialogue_element(s.NEXTBUTTON),i.on("click",this.previous_page,this),i.on("key",this.previous_page,"down:13",this),o.on("click",this.next_page,this),o.on("key",this.next_page,"down:13",this)},previous_page:function(e){e.preventDefault(),this.currentpage--,this.currentpage<0&&(this.currentpage=0),this.change_page()},next_page:function(e){e.preventDefault(),this.currentpage++
+,this.currentpage>=this.pages.length&&(this.currentpage=this.pages.length-1),this.change_page()},move_canvas:function(){var e,t,n,r;e=this.get_dialogue_element(s.DRAWINGREGION),t=parseInt(e.get("scrollLeft"),10),n=parseInt(e.get("scrollTop"),10);for(r=0;r<this.drawables.length;r++)this.drawables[r].scroll_update(t,n)}},e.extend(I,e.Base,I.prototype,{NAME:"moodle-assignfeedback_editpdf-editor",ATTRS:{userid:{validator:e.Lang.isInteger,value:0},assignmentid:{validator:e.Lang.isInteger,value:0},attemptnumber:{validator:e.Lang.isInteger,value:0},header:{validator:e.Lang.isString,value:""},body:{validator:e.Lang.isString,value:""},footer:{validator:e.Lang.isString,value:""},linkid:{validator:e.Lang.isString,value:""},deletelinkid:{validator:e.Lang.isString,value:""},readonly:{validator:e.Lang.isBoolean,value:!0},stampfiles:{validator:e.Lang.isArray,value:""},pagetotal:{validator:e.Lang.isInteger,value:0}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.editor=M.assignfeedback_editpdf.editor||{},M.assignfeedback_editpdf.editor.init=M.assignfeedback_editpdf.editor.init||function(e){return new I(e)}},"@VERSION@",{requires:["base","event","node","io","graphics","json","event-move","event-resize","querystring-stringify-simple","moodle-core-notification-dialog","moodle-core-notification-exception","moodle-core-notification-ajaxexception"]});
diff --git a/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor.js b/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor.js
index 565dd2d0c65..50c827faed6 100644
--- a/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor.js
+++ b/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor.js
@@ -26,23 +26,23 @@ var AJAXBASE = M.cfg.wwwroot + '/mod/assign/feedback/editpdf/ajax.php',
         DIALOGUE : 'assignfeedback_editpdf_widget'
     },
     SELECTOR = {
-        PREVIOUSBUTTON : '.' + CSS.DIALOGUE + ' .navigate-previous-button',
-        NEXTBUTTON : '.' + CSS.DIALOGUE + ' .navigate-next-button',
-        SEARCHCOMMENTSBUTTON : '.' + CSS.DIALOGUE + ' .searchcommentsbutton',
+        PREVIOUSBUTTON :  '.navigate-previous-button',
+        NEXTBUTTON :  ' .navigate-next-button',
+        SEARCHCOMMENTSBUTTON : '.searchcommentsbutton',
         SEARCHFILTER : '.assignfeedback_editpdf_commentsearch input',
         SEARCHCOMMENTSLIST : '.assignfeedback_editpdf_commentsearch ul',
-        PAGESELECT : '.' + CSS.DIALOGUE + ' .navigate-page-select',
-        LOADINGICON : '.' + CSS.DIALOGUE + ' .loading',
-        PROGRESSBARCONTAINER : '.' + CSS.DIALOGUE + ' .progress-info.progress-striped',
-        DRAWINGREGION : '.' + CSS.DIALOGUE + ' .drawingregion',
-        DRAWINGCANVAS : '.' + CSS.DIALOGUE + ' .drawingcanvas',
-        SAVE : '.' + CSS.DIALOGUE + ' .savebutton',
-        COMMENTCOLOURBUTTON : '.' + CSS.DIALOGUE + ' .commentcolourbutton',
-        COMMENTMENU : ' .commentdrawable a',
-        ANNOTATIONCOLOURBUTTON : '.' + CSS.DIALOGUE + ' .annotationcolourbutton',
-        DELETEANNOTATIONBUTTON : '.' + CSS.DIALOGUE + ' .deleteannotationbutton',
+        PAGESELECT : '.navigate-page-select',
+        LOADINGICON : '.loading',
+        PROGRESSBARCONTAINER : '.progress-info.progress-striped',
+        DRAWINGREGION : '.drawingregion',
+        DRAWINGCANVAS : '.drawingcanvas',
+        SAVE : '.savebutton',
+        COMMENTCOLOURBUTTON : '.commentcolourbutton',
+        COMMENTMENU : '.commentdrawable a',
+        ANNOTATIONCOLOURBUTTON :  '.annotationcolourbutton',
+        DELETEANNOTATIONBUTTON : '.deleteannotationbutton',
         UNSAVEDCHANGESDIV : '.assignfeedback_editpdf_unsavedchanges',
-        STAMPSBUTTON : '.' + CSS.DIALOGUE + ' .currentstampbutton',
+        STAMPSBUTTON : '.currentstampbutton',
         DIALOGUE : '.' + CSS.DIALOGUE
     },
     SELECTEDBORDERCOLOUR = 'rgba(200, 200, 255, 0.9)',
@@ -66,14 +66,14 @@ var AJAXBASE = M.cfg.wwwroot + '/mod/assign/feedback/editpdf/ajax.php',
     },
     CLICKTIMEOUT = 300,
     TOOLSELECTOR = {
-        'comment': '.' + CSS.DIALOGUE + ' .commentbutton',
-        'pen': '.' + CSS.DIALOGUE + ' .penbutton',
-        'line': '.' + CSS.DIALOGUE + ' .linebutton',
-        'rectangle': '.' + CSS.DIALOGUE + ' .rectanglebutton',
-        'oval': '.' + CSS.DIALOGUE + ' .ovalbutton',
-        'stamp': '.' + CSS.DIALOGUE + ' .stampbutton',
-        'select': '.' + CSS.DIALOGUE + ' .selectbutton',
-        'highlight': '.' + CSS.DIALOGUE + ' .highlightbutton'
+        'comment': '.commentbutton',
+        'pen': '.penbutton',
+        'line': '.linebutton',
+        'rectangle': '.rectanglebutton',
+        'oval': '.ovalbutton',
+        'stamp': '.stampbutton',
+        'select': '.selectbutton',
+        'highlight': '.highlightbutton'
     },
     STROKEWEIGHT = 4;
 // This file is part of Moodle - http://moodle.org/
@@ -498,7 +498,7 @@ var DRAWABLE = function(editor) {
     this.store_position = function(container, x, y) {
         var drawingregion, scrollx, scrolly;
 
-        drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+        drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION);
         scrollx = parseInt(drawingregion.get('scrollLeft'), 10);
         scrolly = parseInt(drawingregion.get('scrollTop'), 10);
         container.setData('x', x + scrollx);
@@ -680,8 +680,8 @@ Y.extend(ANNOTATION, Y.Base, {
      */
     draw_highlight : function() {
         var bounds,
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
-            offsetcanvas = Y.one(SELECTOR.DRAWINGCANVAS).getXY(),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
+            offsetcanvas = this.editor.get_dialogue_element(SELECTOR.DRAWINGCANVAS).getXY(),
             shape;
 
         if (this.editor.currentannotation === this) {
@@ -1553,7 +1553,7 @@ Y.extend(ANNOTATIONSTAMP, M.assignfeedback_editpdf.annotation, {
      */
     draw : function() {
         var drawable = new M.assignfeedback_editpdf.drawable(this.editor),
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
             node,
             position;
 
@@ -1595,7 +1595,7 @@ Y.extend(ANNOTATIONSTAMP, M.assignfeedback_editpdf.annotation, {
     draw_current_edit : function(edit) {
         var bounds = new M.assignfeedback_editpdf.rect(),
             drawable = new M.assignfeedback_editpdf.drawable(this.editor),
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
             node,
             position;
 
@@ -2245,8 +2245,8 @@ Y.extend(COMMENTSEARCH, M.core.dialogue, {
             commentslist,
             filtertext;
 
-        filternode = Y.one(SELECTOR.SEARCHFILTER);
-        commentslist = Y.one(SELECTOR.SEARCHCOMMENTSLIST);
+        filternode = this.get('editor').get_dialogue_element(SELECTOR.SEARCHFILTER);
+        commentslist = this.get('editor').get_dialogue_element(SELECTOR.SEARCHCOMMENTSLIST);
 
         filtertext = filternode.get('value');
 
@@ -2505,7 +2505,7 @@ var COMMENT = function(editor, gradeid, pageno, x, y, width, colour, rawtext) {
     this.draw = function(focus) {
         var drawable = new M.assignfeedback_editpdf.drawable(this.editor),
             node,
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
             container,
             menu,
             position,
@@ -3272,7 +3272,7 @@ EDITOR.prototype = {
         var button, currenttoolnode, imgurl;
 
         // Initalise the colour buttons.
-        button = Y.one(SELECTOR.COMMENTCOLOURBUTTON);
+        button = this.get_dialogue_element(SELECTOR.COMMENTCOLOURBUTTON);
 
         imgurl = M.util.image_url('background_colour_' + this.currentedit.commentcolour, 'assignfeedback_editpdf');
         button.one('img').setAttribute('src', imgurl);
@@ -3283,15 +3283,15 @@ EDITOR.prototype = {
             button.one('img').setStyle('borderStyle', 'solid');
         }
 
-        button = Y.one(SELECTOR.ANNOTATIONCOLOURBUTTON);
+        button = this.get_dialogue_element(SELECTOR.ANNOTATIONCOLOURBUTTON);
         imgurl = M.util.image_url('colour_' + this.currentedit.annotationcolour, 'assignfeedback_editpdf');
         button.one('img').setAttribute('src', imgurl);
 
-        currenttoolnode = Y.one(TOOLSELECTOR[this.currentedit.tool]);
+        currenttoolnode = this.get_dialogue_element(TOOLSELECTOR[this.currentedit.tool]);
         currenttoolnode.addClass('assignfeedback_editpdf_selectedbutton');
         currenttoolnode.setAttribute('aria-pressed', 'true');
 
-        button = Y.one(SELECTOR.STAMPSBUTTON);
+        button = this.get_dialogue_element(SELECTOR.STAMPSBUTTON);
         button.one('img').setAttrs({'src': this.get_stamp_image_url(this.currentedit.stamp),
                                     'height': '16',
                                     'width': '16'});
@@ -3302,7 +3302,7 @@ EDITOR.prototype = {
      * @method get_canvas_bounds
      */
     get_canvas_bounds : function() {
-        var canvas = Y.one(SELECTOR.DRAWINGCANVAS),
+        var canvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             offsetcanvas = canvas.getXY(),
             offsetleft = offsetcanvas[0],
             offsettop = offsetcanvas[1],
@@ -3361,12 +3361,12 @@ EDITOR.prototype = {
             // Add custom class for styling.
             this.dialogue.get('boundingBox').addClass(CSS.DIALOGUE);
 
-            this.loadingicon = Y.one(SELECTOR.LOADINGICON);
+            this.loadingicon = this.get_dialogue_element(SELECTOR.LOADINGICON);
 
-            drawingcanvas = Y.one(SELECTOR.DRAWINGCANVAS);
+            drawingcanvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS);
             this.graphic = new Y.Graphic({render : SELECTOR.DRAWINGCANVAS});
 
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+            drawingregion = this.get_dialogue_element(SELECTOR.DRAWINGREGION);
             drawingregion.on('scroll', this.move_canvas, this);
 
             if (!this.get('readonly')) {
@@ -3446,7 +3446,7 @@ EDITOR.prototype = {
                             var pagetotal = this.get('pagetotal');
 
                             // Update the progress bar.
-                            var progressbarcontainer = Y.one(SELECTOR.PROGRESSBARCONTAINER);
+                            var progressbarcontainer = this.get_dialogue_element(SELECTOR.PROGRESSBARCONTAINER);
                             var progressbar = progressbarcontainer.one('.bar');
                             if (progressbar) {
                                 // Calculate progress.
@@ -3573,7 +3573,7 @@ EDITOR.prototype = {
             picker,
             filename;
 
-        searchcommentsbutton = Y.one(SELECTOR.SEARCHCOMMENTSBUTTON);
+        searchcommentsbutton = this.get_dialogue_element(SELECTOR.SEARCHCOMMENTSBUTTON);
         searchcommentsbutton.on('click', this.open_search_comments, this);
         searchcommentsbutton.on('key', this.open_search_comments, 'down:13', this);
 
@@ -3582,7 +3582,7 @@ EDITOR.prototype = {
         }
         // Setup the tool buttons.
         Y.each(TOOLSELECTOR, function(selector, tool) {
-            toolnode = Y.one(selector);
+            toolnode = this.get_dialogue_element(selector);
             toolnode.on('click', this.handle_tool_button, this, tool);
             toolnode.on('key', this.handle_tool_button, 'down:13', this, tool);
             toolnode.setAttribute('aria-pressed', 'false');
@@ -3590,7 +3590,7 @@ EDITOR.prototype = {
 
         // Set the default tool.
 
-        commentcolourbutton = Y.one(SELECTOR.COMMENTCOLOURBUTTON);
+        commentcolourbutton = this.get_dialogue_element(SELECTOR.COMMENTCOLOURBUTTON);
         picker = new M.assignfeedback_editpdf.colourpicker({
             buttonNode: commentcolourbutton,
             colours: COMMENTCOLOUR,
@@ -3606,7 +3606,7 @@ EDITOR.prototype = {
             context: this
         });
 
-        annotationcolourbutton = Y.one(SELECTOR.ANNOTATIONCOLOURBUTTON);
+        annotationcolourbutton = this.get_dialogue_element(SELECTOR.ANNOTATIONCOLOURBUTTON);
         picker = new M.assignfeedback_editpdf.colourpicker({
             buttonNode: annotationcolourbutton,
             iconprefix: 'colour_',
@@ -3628,11 +3628,11 @@ EDITOR.prototype = {
 
         stampfiles = this.get('stampfiles');
         if (stampfiles.length <= 0) {
-            Y.one(TOOLSELECTOR.stamp).ancestor().hide();
+            this.get_dialogue_element(TOOLSELECTOR.stamp).ancestor().hide();
         } else {
             filename = stampfiles[0].substr(stampfiles[0].lastIndexOf('/') + 1);
             this.currentedit.stamp = filename;
-            currentstampbutton = Y.one(SELECTOR.STAMPSBUTTON);
+            currentstampbutton = this.get_dialogue_element(SELECTOR.STAMPSBUTTON);
 
             picker = new M.assignfeedback_editpdf.stamppicker({
                 buttonNode: currentstampbutton,
@@ -3665,7 +3665,7 @@ EDITOR.prototype = {
         e.preventDefault();
 
         // Change style of the pressed button.
-        currenttoolnode = Y.one(TOOLSELECTOR[this.currentedit.tool]);
+        currenttoolnode = this.get_dialogue_element(TOOLSELECTOR[this.currentedit.tool]);
         currenttoolnode.removeClass('assignfeedback_editpdf_selectedbutton');
         currenttoolnode.setAttribute('aria-pressed', 'false');
         this.currentedit.tool = tool;
@@ -3725,6 +3725,15 @@ EDITOR.prototype = {
 
         return drawable;
     },
+    
+    /**
+     * Find an element within the dialogue.
+     * @protected
+     * @method get_dialogue_element
+     */
+    get_dialogue_element : function(selector) {
+        return this.dialogue.get('boundingBox').one(selector);
+    },
 
     /**
      * Redraw the active edit.
@@ -3746,7 +3755,7 @@ EDITOR.prototype = {
      */
     edit_start : function(e) {
         e.preventDefault();
-        var canvas = Y.one(SELECTOR.DRAWINGCANVAS),
+        var canvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             offset = canvas.getXY(),
             scrolltop = canvas.get('docScrollY'),
             scrollleft = canvas.get('docScrollX'),
@@ -3817,7 +3826,7 @@ EDITOR.prototype = {
     edit_move : function(e) {
         e.preventDefault();
         var bounds = this.get_canvas_bounds(),
-            canvas = Y.one(SELECTOR.DRAWINGCANVAS),
+            canvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             clientpoint = new M.assignfeedback_editpdf.point(e.clientX + canvas.get('docScrollX'),
                                                              e.clientY + canvas.get('docScrollY')),
             point = this.get_canvas_coordinates(clientpoint);
@@ -3914,7 +3923,7 @@ EDITOR.prototype = {
         if (drawregionheight < 100) {
             drawregionheight = 100;
         }
-        drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+        drawingregion = this.get_dialogue_element(SELECTOR.DRAWINGREGION);
         drawingregion.setStyle('maxHeight', drawregionheight +'px');
         this.redraw();
         return true;
@@ -3974,7 +3983,8 @@ EDITOR.prototype = {
                         if (jsondata.error) {
                             return new M.core.ajaxException(jsondata);
                         }
-                        Y.one(SELECTOR.UNSAVEDCHANGESDIV).addClass('haschanges');
+                        Y.one('#' + this.get('linkid')).siblings(SELECTOR.UNSAVEDCHANGESDIV)
+                            .item(0).addClass('haschanges');
                     } catch (e) {
                         return new M.core.exception(e);
                     }
@@ -4038,13 +4048,13 @@ EDITOR.prototype = {
      * @method change_page
      */
     change_page : function() {
-        var drawingcanvas = Y.one(SELECTOR.DRAWINGCANVAS),
+        var drawingcanvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             page,
             previousbutton,
             nextbutton;
 
-        previousbutton = Y.one(SELECTOR.PREVIOUSBUTTON);
-        nextbutton = Y.one(SELECTOR.NEXTBUTTON);
+        previousbutton = this.get_dialogue_element(SELECTOR.PREVIOUSBUTTON);
+        nextbutton = this.get_dialogue_element(SELECTOR.NEXTBUTTON);
 
         if (this.currentpage > 0) {
             previousbutton.removeAttribute('disabled');
@@ -4064,7 +4074,7 @@ EDITOR.prototype = {
         drawingcanvas.setStyle('height', page.height + 'px');
 
         // Update page select.
-        Y.one(SELECTOR.PAGESELECT).set('value', this.currentpage);
+        this.get_dialogue_element(SELECTOR.PAGESELECT).set('value', this.currentpage);
 
         this.resize(); // Internally will call 'redraw', after checking the dialogue size.
     },
@@ -4082,7 +4092,7 @@ EDITOR.prototype = {
             previousbutton,
             nextbutton;
 
-        pageselect = Y.one(SELECTOR.PAGESELECT);
+        pageselect = this.get_dialogue_element(SELECTOR.PAGESELECT);
 
         var options = pageselect.all('option');
         if (options.size() <= 1) {
@@ -4099,8 +4109,8 @@ EDITOR.prototype = {
             this.change_page();
         }, this);
 
-        previousbutton = Y.one(SELECTOR.PREVIOUSBUTTON);
-        nextbutton = Y.one(SELECTOR.NEXTBUTTON);
+        previousbutton = this.get_dialogue_element(SELECTOR.PREVIOUSBUTTON);
+        nextbutton = this.get_dialogue_element(SELECTOR.NEXTBUTTON);
 
         previousbutton.on('click', this.previous_page, this);
         previousbutton.on('key', this.previous_page, 'down:13', this);
@@ -4144,7 +4154,7 @@ EDITOR.prototype = {
     move_canvas: function() {
         var drawingregion, x, y, i;
 
-        drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+        drawingregion = this.get_dialogue_element(SELECTOR.DRAWINGREGION);
         x = parseInt(drawingregion.get('scrollLeft'), 10);
         y = parseInt(drawingregion.get('scrollTop'), 10);
 
diff --git a/mod/assign/feedback/editpdf/yui/src/editor/js/annotation.js b/mod/assign/feedback/editpdf/yui/src/editor/js/annotation.js
index 3ccb9acf87b..5415add9d98 100644
--- a/mod/assign/feedback/editpdf/yui/src/editor/js/annotation.js
+++ b/mod/assign/feedback/editpdf/yui/src/editor/js/annotation.js
@@ -170,8 +170,8 @@ Y.extend(ANNOTATION, Y.Base, {
      */
     draw_highlight : function() {
         var bounds,
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
-            offsetcanvas = Y.one(SELECTOR.DRAWINGCANVAS).getXY(),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
+            offsetcanvas = this.editor.get_dialogue_element(SELECTOR.DRAWINGCANVAS).getXY(),
             shape;
 
         if (this.editor.currentannotation === this) {
diff --git a/mod/assign/feedback/editpdf/yui/src/editor/js/annotationstamp.js b/mod/assign/feedback/editpdf/yui/src/editor/js/annotationstamp.js
index df1c0bf7f9b..d4597ec1681 100644
--- a/mod/assign/feedback/editpdf/yui/src/editor/js/annotationstamp.js
+++ b/mod/assign/feedback/editpdf/yui/src/editor/js/annotationstamp.js
@@ -42,7 +42,7 @@ Y.extend(ANNOTATIONSTAMP, M.assignfeedback_editpdf.annotation, {
      */
     draw : function() {
         var drawable = new M.assignfeedback_editpdf.drawable(this.editor),
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
             node,
             position;
 
@@ -84,7 +84,7 @@ Y.extend(ANNOTATIONSTAMP, M.assignfeedback_editpdf.annotation, {
     draw_current_edit : function(edit) {
         var bounds = new M.assignfeedback_editpdf.rect(),
             drawable = new M.assignfeedback_editpdf.drawable(this.editor),
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
             node,
             position;
 
diff --git a/mod/assign/feedback/editpdf/yui/src/editor/js/comment.js b/mod/assign/feedback/editpdf/yui/src/editor/js/comment.js
index c37c8caaaa3..bdb96f9fc6c 100644
--- a/mod/assign/feedback/editpdf/yui/src/editor/js/comment.js
+++ b/mod/assign/feedback/editpdf/yui/src/editor/js/comment.js
@@ -159,7 +159,7 @@ var COMMENT = function(editor, gradeid, pageno, x, y, width, colour, rawtext) {
     this.draw = function(focus) {
         var drawable = new M.assignfeedback_editpdf.drawable(this.editor),
             node,
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION),
+            drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION),
             container,
             menu,
             position,
diff --git a/mod/assign/feedback/editpdf/yui/src/editor/js/commentsearch.js b/mod/assign/feedback/editpdf/yui/src/editor/js/commentsearch.js
index 0dece815cf4..e46c2638f22 100644
--- a/mod/assign/feedback/editpdf/yui/src/editor/js/commentsearch.js
+++ b/mod/assign/feedback/editpdf/yui/src/editor/js/commentsearch.js
@@ -73,8 +73,8 @@ Y.extend(COMMENTSEARCH, M.core.dialogue, {
             commentslist,
             filtertext;
 
-        filternode = Y.one(SELECTOR.SEARCHFILTER);
-        commentslist = Y.one(SELECTOR.SEARCHCOMMENTSLIST);
+        filternode = this.get('editor').get_dialogue_element(SELECTOR.SEARCHFILTER);
+        commentslist = this.get('editor').get_dialogue_element(SELECTOR.SEARCHCOMMENTSLIST);
 
         filtertext = filternode.get('value');
 
diff --git a/mod/assign/feedback/editpdf/yui/src/editor/js/drawable.js b/mod/assign/feedback/editpdf/yui/src/editor/js/drawable.js
index 3daec87dc00..21e368c3099 100644
--- a/mod/assign/feedback/editpdf/yui/src/editor/js/drawable.js
+++ b/mod/assign/feedback/editpdf/yui/src/editor/js/drawable.js
@@ -100,7 +100,7 @@ var DRAWABLE = function(editor) {
     this.store_position = function(container, x, y) {
         var drawingregion, scrollx, scrolly;
 
-        drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+        drawingregion = this.editor.get_dialogue_element(SELECTOR.DRAWINGREGION);
         scrollx = parseInt(drawingregion.get('scrollLeft'), 10);
         scrolly = parseInt(drawingregion.get('scrollTop'), 10);
         container.setData('x', x + scrollx);
diff --git a/mod/assign/feedback/editpdf/yui/src/editor/js/editor.js b/mod/assign/feedback/editpdf/yui/src/editor/js/editor.js
index 33c915ad1dc..1c1904ef42a 100644
--- a/mod/assign/feedback/editpdf/yui/src/editor/js/editor.js
+++ b/mod/assign/feedback/editpdf/yui/src/editor/js/editor.js
@@ -219,7 +219,7 @@ EDITOR.prototype = {
         var button, currenttoolnode, imgurl;
 
         // Initalise the colour buttons.
-        button = Y.one(SELECTOR.COMMENTCOLOURBUTTON);
+        button = this.get_dialogue_element(SELECTOR.COMMENTCOLOURBUTTON);
 
         imgurl = M.util.image_url('background_colour_' + this.currentedit.commentcolour, 'assignfeedback_editpdf');
         button.one('img').setAttribute('src', imgurl);
@@ -230,15 +230,15 @@ EDITOR.prototype = {
             button.one('img').setStyle('borderStyle', 'solid');
         }
 
-        button = Y.one(SELECTOR.ANNOTATIONCOLOURBUTTON);
+        button = this.get_dialogue_element(SELECTOR.ANNOTATIONCOLOURBUTTON);
         imgurl = M.util.image_url('colour_' + this.currentedit.annotationcolour, 'assignfeedback_editpdf');
         button.one('img').setAttribute('src', imgurl);
 
-        currenttoolnode = Y.one(TOOLSELECTOR[this.currentedit.tool]);
+        currenttoolnode = this.get_dialogue_element(TOOLSELECTOR[this.currentedit.tool]);
         currenttoolnode.addClass('assignfeedback_editpdf_selectedbutton');
         currenttoolnode.setAttribute('aria-pressed', 'true');
 
-        button = Y.one(SELECTOR.STAMPSBUTTON);
+        button = this.get_dialogue_element(SELECTOR.STAMPSBUTTON);
         button.one('img').setAttrs({'src': this.get_stamp_image_url(this.currentedit.stamp),
                                     'height': '16',
                                     'width': '16'});
@@ -249,7 +249,7 @@ EDITOR.prototype = {
      * @method get_canvas_bounds
      */
     get_canvas_bounds : function() {
-        var canvas = Y.one(SELECTOR.DRAWINGCANVAS),
+        var canvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             offsetcanvas = canvas.getXY(),
             offsetleft = offsetcanvas[0],
             offsettop = offsetcanvas[1],
@@ -308,12 +308,12 @@ EDITOR.prototype = {
             // Add custom class for styling.
             this.dialogue.get('boundingBox').addClass(CSS.DIALOGUE);
 
-            this.loadingicon = Y.one(SELECTOR.LOADINGICON);
+            this.loadingicon = this.get_dialogue_element(SELECTOR.LOADINGICON);
 
-            drawingcanvas = Y.one(SELECTOR.DRAWINGCANVAS);
+            drawingcanvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS);
             this.graphic = new Y.Graphic({render : SELECTOR.DRAWINGCANVAS});
 
-            drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+            drawingregion = this.get_dialogue_element(SELECTOR.DRAWINGREGION);
             drawingregion.on('scroll', this.move_canvas, this);
 
             if (!this.get('readonly')) {
@@ -393,7 +393,7 @@ EDITOR.prototype = {
                             var pagetotal = this.get('pagetotal');
 
                             // Update the progress bar.
-                            var progressbarcontainer = Y.one(SELECTOR.PROGRESSBARCONTAINER);
+                            var progressbarcontainer = this.get_dialogue_element(SELECTOR.PROGRESSBARCONTAINER);
                             var progressbar = progressbarcontainer.one('.bar');
                             if (progressbar) {
                                 // Calculate progress.
@@ -520,7 +520,7 @@ EDITOR.prototype = {
             picker,
             filename;
 
-        searchcommentsbutton = Y.one(SELECTOR.SEARCHCOMMENTSBUTTON);
+        searchcommentsbutton = this.get_dialogue_element(SELECTOR.SEARCHCOMMENTSBUTTON);
         searchcommentsbutton.on('click', this.open_search_comments, this);
         searchcommentsbutton.on('key', this.open_search_comments, 'down:13', this);
 
@@ -529,7 +529,7 @@ EDITOR.prototype = {
         }
         // Setup the tool buttons.
         Y.each(TOOLSELECTOR, function(selector, tool) {
-            toolnode = Y.one(selector);
+            toolnode = this.get_dialogue_element(selector);
             toolnode.on('click', this.handle_tool_button, this, tool);
             toolnode.on('key', this.handle_tool_button, 'down:13', this, tool);
             toolnode.setAttribute('aria-pressed', 'false');
@@ -537,7 +537,7 @@ EDITOR.prototype = {
 
         // Set the default tool.
 
-        commentcolourbutton = Y.one(SELECTOR.COMMENTCOLOURBUTTON);
+        commentcolourbutton = this.get_dialogue_element(SELECTOR.COMMENTCOLOURBUTTON);
         picker = new M.assignfeedback_editpdf.colourpicker({
             buttonNode: commentcolourbutton,
             colours: COMMENTCOLOUR,
@@ -553,7 +553,7 @@ EDITOR.prototype = {
             context: this
         });
 
-        annotationcolourbutton = Y.one(SELECTOR.ANNOTATIONCOLOURBUTTON);
+        annotationcolourbutton = this.get_dialogue_element(SELECTOR.ANNOTATIONCOLOURBUTTON);
         picker = new M.assignfeedback_editpdf.colourpicker({
             buttonNode: annotationcolourbutton,
             iconprefix: 'colour_',
@@ -575,11 +575,11 @@ EDITOR.prototype = {
 
         stampfiles = this.get('stampfiles');
         if (stampfiles.length <= 0) {
-            Y.one(TOOLSELECTOR.stamp).ancestor().hide();
+            this.get_dialogue_element(TOOLSELECTOR.stamp).ancestor().hide();
         } else {
             filename = stampfiles[0].substr(stampfiles[0].lastIndexOf('/') + 1);
             this.currentedit.stamp = filename;
-            currentstampbutton = Y.one(SELECTOR.STAMPSBUTTON);
+            currentstampbutton = this.get_dialogue_element(SELECTOR.STAMPSBUTTON);
 
             picker = new M.assignfeedback_editpdf.stamppicker({
                 buttonNode: currentstampbutton,
@@ -612,7 +612,7 @@ EDITOR.prototype = {
         e.preventDefault();
 
         // Change style of the pressed button.
-        currenttoolnode = Y.one(TOOLSELECTOR[this.currentedit.tool]);
+        currenttoolnode = this.get_dialogue_element(TOOLSELECTOR[this.currentedit.tool]);
         currenttoolnode.removeClass('assignfeedback_editpdf_selectedbutton');
         currenttoolnode.setAttribute('aria-pressed', 'false');
         this.currentedit.tool = tool;
@@ -672,6 +672,15 @@ EDITOR.prototype = {
 
         return drawable;
     },
+    
+    /**
+     * Find an element within the dialogue.
+     * @protected
+     * @method get_dialogue_element
+     */
+    get_dialogue_element : function(selector) {
+        return this.dialogue.get('boundingBox').one(selector);
+    },
 
     /**
      * Redraw the active edit.
@@ -693,7 +702,7 @@ EDITOR.prototype = {
      */
     edit_start : function(e) {
         e.preventDefault();
-        var canvas = Y.one(SELECTOR.DRAWINGCANVAS),
+        var canvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             offset = canvas.getXY(),
             scrolltop = canvas.get('docScrollY'),
             scrollleft = canvas.get('docScrollX'),
@@ -764,7 +773,7 @@ EDITOR.prototype = {
     edit_move : function(e) {
         e.preventDefault();
         var bounds = this.get_canvas_bounds(),
-            canvas = Y.one(SELECTOR.DRAWINGCANVAS),
+            canvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             clientpoint = new M.assignfeedback_editpdf.point(e.clientX + canvas.get('docScrollX'),
                                                              e.clientY + canvas.get('docScrollY')),
             point = this.get_canvas_coordinates(clientpoint);
@@ -861,7 +870,7 @@ EDITOR.prototype = {
         if (drawregionheight < 100) {
             drawregionheight = 100;
         }
-        drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+        drawingregion = this.get_dialogue_element(SELECTOR.DRAWINGREGION);
         drawingregion.setStyle('maxHeight', drawregionheight +'px');
         this.redraw();
         return true;
@@ -921,7 +930,8 @@ EDITOR.prototype = {
                         if (jsondata.error) {
                             return new M.core.ajaxException(jsondata);
                         }
-                        Y.one(SELECTOR.UNSAVEDCHANGESDIV).addClass('haschanges');
+                        Y.one('#' + this.get('linkid')).siblings(SELECTOR.UNSAVEDCHANGESDIV)
+                            .item(0).addClass('haschanges');
                     } catch (e) {
                         return new M.core.exception(e);
                     }
@@ -985,13 +995,13 @@ EDITOR.prototype = {
      * @method change_page
      */
     change_page : function() {
-        var drawingcanvas = Y.one(SELECTOR.DRAWINGCANVAS),
+        var drawingcanvas = this.get_dialogue_element(SELECTOR.DRAWINGCANVAS),
             page,
             previousbutton,
             nextbutton;
 
-        previousbutton = Y.one(SELECTOR.PREVIOUSBUTTON);
-        nextbutton = Y.one(SELECTOR.NEXTBUTTON);
+        previousbutton = this.get_dialogue_element(SELECTOR.PREVIOUSBUTTON);
+        nextbutton = this.get_dialogue_element(SELECTOR.NEXTBUTTON);
 
         if (this.currentpage > 0) {
             previousbutton.removeAttribute('disabled');
@@ -1011,7 +1021,7 @@ EDITOR.prototype = {
         drawingcanvas.setStyle('height', page.height + 'px');
 
         // Update page select.
-        Y.one(SELECTOR.PAGESELECT).set('value', this.currentpage);
+        this.get_dialogue_element(SELECTOR.PAGESELECT).set('value', this.currentpage);
 
         this.resize(); // Internally will call 'redraw', after checking the dialogue size.
     },
@@ -1029,7 +1039,7 @@ EDITOR.prototype = {
             previousbutton,
             nextbutton;
 
-        pageselect = Y.one(SELECTOR.PAGESELECT);
+        pageselect = this.get_dialogue_element(SELECTOR.PAGESELECT);
 
         var options = pageselect.all('option');
         if (options.size() <= 1) {
@@ -1046,8 +1056,8 @@ EDITOR.prototype = {
             this.change_page();
         }, this);
 
-        previousbutton = Y.one(SELECTOR.PREVIOUSBUTTON);
-        nextbutton = Y.one(SELECTOR.NEXTBUTTON);
+        previousbutton = this.get_dialogue_element(SELECTOR.PREVIOUSBUTTON);
+        nextbutton = this.get_dialogue_element(SELECTOR.NEXTBUTTON);
 
         previousbutton.on('click', this.previous_page, this);
         previousbutton.on('key', this.previous_page, 'down:13', this);
@@ -1091,7 +1101,7 @@ EDITOR.prototype = {
     move_canvas: function() {
         var drawingregion, x, y, i;
 
-        drawingregion = Y.one(SELECTOR.DRAWINGREGION);
+        drawingregion = this.get_dialogue_element(SELECTOR.DRAWINGREGION);
         x = parseInt(drawingregion.get('scrollLeft'), 10);
         y = parseInt(drawingregion.get('scrollTop'), 10);
 
diff --git a/mod/assign/feedback/editpdf/yui/src/editor/js/globals.js b/mod/assign/feedback/editpdf/yui/src/editor/js/globals.js
index 7eab77e3b9b..b3f69803462 100644
--- a/mod/assign/feedback/editpdf/yui/src/editor/js/globals.js
+++ b/mod/assign/feedback/editpdf/yui/src/editor/js/globals.js
@@ -24,23 +24,23 @@ var AJAXBASE = M.cfg.wwwroot + '/mod/assign/feedback/editpdf/ajax.php',
         DIALOGUE : 'assignfeedback_editpdf_widget'
     },
     SELECTOR = {
-        PREVIOUSBUTTON : '.' + CSS.DIALOGUE + ' .navigate-previous-button',
-        NEXTBUTTON : '.' + CSS.DIALOGUE + ' .navigate-next-button',
-        SEARCHCOMMENTSBUTTON : '.' + CSS.DIALOGUE + ' .searchcommentsbutton',
+        PREVIOUSBUTTON :  '.navigate-previous-button',
+        NEXTBUTTON :  ' .navigate-next-button',
+        SEARCHCOMMENTSBUTTON : '.searchcommentsbutton',
         SEARCHFILTER : '.assignfeedback_editpdf_commentsearch input',
         SEARCHCOMMENTSLIST : '.assignfeedback_editpdf_commentsearch ul',
-        PAGESELECT : '.' + CSS.DIALOGUE + ' .navigate-page-select',
-        LOADINGICON : '.' + CSS.DIALOGUE + ' .loading',
-        PROGRESSBARCONTAINER : '.' + CSS.DIALOGUE + ' .progress-info.progress-striped',
-        DRAWINGREGION : '.' + CSS.DIALOGUE + ' .drawingregion',
-        DRAWINGCANVAS : '.' + CSS.DIALOGUE + ' .drawingcanvas',
-        SAVE : '.' + CSS.DIALOGUE + ' .savebutton',
-        COMMENTCOLOURBUTTON : '.' + CSS.DIALOGUE + ' .commentcolourbutton',
-        COMMENTMENU : ' .commentdrawable a',
-        ANNOTATIONCOLOURBUTTON : '.' + CSS.DIALOGUE + ' .annotationcolourbutton',
-        DELETEANNOTATIONBUTTON : '.' + CSS.DIALOGUE + ' .deleteannotationbutton',
+        PAGESELECT : '.navigate-page-select',
+        LOADINGICON : '.loading',
+        PROGRESSBARCONTAINER : '.progress-info.progress-striped',
+        DRAWINGREGION : '.drawingregion',
+        DRAWINGCANVAS : '.drawingcanvas',
+        SAVE : '.savebutton',
+        COMMENTCOLOURBUTTON : '.commentcolourbutton',
+        COMMENTMENU : '.commentdrawable a',
+        ANNOTATIONCOLOURBUTTON :  '.annotationcolourbutton',
+        DELETEANNOTATIONBUTTON : '.deleteannotationbutton',
         UNSAVEDCHANGESDIV : '.assignfeedback_editpdf_unsavedchanges',
-        STAMPSBUTTON : '.' + CSS.DIALOGUE + ' .currentstampbutton',
+        STAMPSBUTTON : '.currentstampbutton',
         DIALOGUE : '.' + CSS.DIALOGUE
     },
     SELECTEDBORDERCOLOUR = 'rgba(200, 200, 255, 0.9)',
@@ -64,13 +64,13 @@ var AJAXBASE = M.cfg.wwwroot + '/mod/assign/feedback/editpdf/ajax.php',
     },
     CLICKTIMEOUT = 300,
     TOOLSELECTOR = {
-        'comment': '.' + CSS.DIALOGUE + ' .commentbutton',
-        'pen': '.' + CSS.DIALOGUE + ' .penbutton',
-        'line': '.' + CSS.DIALOGUE + ' .linebutton',
-        'rectangle': '.' + CSS.DIALOGUE + ' .rectanglebutton',
-        'oval': '.' + CSS.DIALOGUE + ' .ovalbutton',
-        'stamp': '.' + CSS.DIALOGUE + ' .stampbutton',
-        'select': '.' + CSS.DIALOGUE + ' .selectbutton',
-        'highlight': '.' + CSS.DIALOGUE + ' .highlightbutton'
+        'comment': '.commentbutton',
+        'pen': '.penbutton',
+        'line': '.linebutton',
+        'rectangle': '.rectanglebutton',
+        'oval': '.ovalbutton',
+        'stamp': '.stampbutton',
+        'select': '.selectbutton',
+        'highlight': '.highlightbutton'
     },
     STROKEWEIGHT = 4;