mirror of
https://github.com/moodle/moodle.git
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760 lines
27 KiB
JavaScript
760 lines
27 KiB
JavaScript
/*
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Copyright (c) 2010, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.com/yui/license.html
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version: 3.2.0
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build: 2676
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*/
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YUI.add('frame', function(Y) {
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/**
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* Creates a wrapper around an iframe. It loads the content either from a local
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* file or from script and creates a local YUI instance bound to that new window and document.
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* @module editor
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* @submodule frame
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*/
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/**
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* Creates a wrapper around an iframe. It loads the content either from a local
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* file or from script and creates a local YUI instance bound to that new window and document.
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* @class Frame
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* @for Frame
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* @extends Base
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* @constructor
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*/
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var Frame = function() {
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Frame.superclass.constructor.apply(this, arguments);
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};
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Y.extend(Frame, Y.Base, {
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/**
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* @private
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* @property _ready
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* @description Internal reference set when the content is ready.
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* @type Boolean
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*/
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_ready: null,
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/**
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* @private
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* @property _rendered
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* @description Internal reference set when render is called.
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* @type Boolean
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*/
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_rendered: null,
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/**
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* @private
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* @property _iframe
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* @description Internal Node reference to the iFrame or the window
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* @type Node
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*/
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_iframe: null,
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/**
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* @private
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* @property _instance
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* @description Internal reference to the YUI instance bound to the iFrame or window
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* @type YUI
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*/
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_instance: null,
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/**
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* @private
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* @method _create
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* @description Create the iframe or Window and get references to the Document & Window
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* @return {Object} Hash table containing references to the new Document & Window
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*/
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_create: function(cb) {
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var win, doc, res, node;
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this._iframe = Y.Node.create(Frame.HTML);
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this._iframe.setStyle('visibility', 'hidden');
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this._iframe.set('src', this.get('src'));
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this.get('container').append(this._iframe);
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var html = '',
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extra_css = ((this.get('extracss')) ? '<style id="extra_css">' + this.get('extracss') + '</style>' : '');
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Y.log('Creating the document from javascript', 'info', 'frame');
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html = Y.substitute(Frame.PAGE_HTML, {
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DIR: this.get('dir'),
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LANG: this.get('lang'),
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TITLE: this.get('title'),
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META: Frame.META,
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CONTENT: this.get('content'),
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BASE_HREF: this.get('basehref'),
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DEFAULT_CSS: Frame.DEFAULT_CSS,
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EXTRA_CSS: extra_css
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});
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if (Y.config.doc.compatMode != 'BackCompat') {
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Y.log('Adding Doctype to frame', 'info', 'frame');
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html = Frame.DOC_TYPE + "\n" + html;
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} else {
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Y.log('DocType skipped because we are in BackCompat Mode.', 'warn', 'frame');
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}
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Y.log('Injecting content into iframe', 'info', 'frame');
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res = this._resolveWinDoc();
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res.doc.open();
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res.doc.write(html);
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res.doc.close();
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if (this.get('designMode')) {
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res.doc.designMode = 'on';
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}
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if (!res.doc.documentElement) {
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Y.log('document.documentElement was not found, running timer', 'warn', 'frame');
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var timer = Y.later(1, this, function() {
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if (res.doc && res.doc.documentElement) {
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Y.log('document.documentElement found inside timer', 'info', 'frame');
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cb(res);
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timer.cancel();
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}
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}, null, true);
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} else {
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Y.log('document.documentElement found', 'info', 'frame');
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cb(res);
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}
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},
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/**
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* @private
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* @method _resolveWinDoc
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* @description Resolves the document and window from an iframe or window instance
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* @param {Object} c The YUI Config to add the window and document to
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* @return {Object} Object hash of window and document references, if a YUI config was passed, it is returned.
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*/
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_resolveWinDoc: function(c) {
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var config = (c) ? c : {};
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config.win = Y.Node.getDOMNode(this._iframe.get('contentWindow'));
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config.doc = Y.Node.getDOMNode(this._iframe.get('contentWindow.document'));
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if (!config.doc) {
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config.doc = Y.config.doc;
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}
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if (!config.win) {
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config.win = Y.config.win;
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}
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return config;
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},
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/**
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* @private
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* @method _onDomEvent
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* @description Generic handler for all DOM events fired by the iframe or window. This handler
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* takes the current EventFacade and augments it to fire on the Frame host. It adds two new properties
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* to the EventFacade called frameX and frameY which adds the scroll and xy position of the iframe
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* to the original pageX and pageY of the event so external nodes can be positioned over the frame.
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* @param {Event.Facade} e
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*/
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_onDomEvent: function(e) {
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var xy, node;
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//Y.log('onDOMEvent: ' + e.type, 'info', 'frame');
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e.frameX = e.frameY = 0;
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if (e.pageX > 0 || e.pageY > 0) {
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if (e.type.substring(0, 3) !== 'key') {
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node = this._instance.one('win');
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xy = this._iframe.getXY()
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e.frameX = xy[0] + e.pageX - node.get('scrollLeft');
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e.frameY = xy[1] + e.pageY - node.get('scrollTop');
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}
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}
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e.frameTarget = e.target;
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e.frameCurrentTarget = e.currentTarget;
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e.frameEvent = e;
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this.fire('dom:' + e.type, e);
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},
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initializer: function() {
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this.publish('ready', {
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emitFacade: true,
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defaultFn: this._defReadyFn
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});
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},
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destructor: function() {
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var inst = this.getInstance();
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inst.one('doc').detachAll();
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inst = null;
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this._iframe.remove();
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},
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/**
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* @private
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* @method _DOMPaste
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* @description Simple pass thru handler for the paste event so we can do content cleanup
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* @param {Event.Facade} e
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*/
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_DOMPaste: function(e) {
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var inst = this.getInstance(),
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data = '', win = inst.config.win;
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if (e._event.originalTarget) {
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data = e._event.originalTarget;
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}
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if (e._event.clipboardData) {
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data = e._event.clipboardData.getData('Text');
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}
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if (win.clipboardData) {
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data = win.clipboardData.getData('Text');
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if (data == '') { // Could be empty, or failed
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// Verify failure
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if (!win.clipboardData.setData('Text', data)) {
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data = null;
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}
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}
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}
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e.frameTarget = e.target;
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e.frameCurrentTarget = e.currentTarget;
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e.frameEvent = e;
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if (data) {
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e.clipboardData = {
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data: data,
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getData: function() {
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return data;
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}
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};
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} else {
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Y.log('Failed to collect clipboard data', 'warn', 'frame');
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e.clipboardData = null;
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}
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this.fire('dom:paste', e);
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},
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/**
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* @private
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* @method _defReadyFn
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* @description Binds DOM events, sets the iframe to visible and fires the ready event
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*/
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_defReadyFn: function() {
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var inst = this.getInstance(),
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fn = Y.bind(this._onDomEvent, this),
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kfn = ((Y.UA.ie) ? Y.throttle(fn, 200) : fn);
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inst.Node.DOM_EVENTS.activate = 1;
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inst.Node.DOM_EVENTS.focusin = 1;
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inst.Node.DOM_EVENTS.deactivate = 1;
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inst.Node.DOM_EVENTS.focusout = 1;
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//Y.each(inst.Node.DOM_EVENTS, function(v, k) {
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Y.each(Frame.DOM_EVENTS, function(v, k) {
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if (v === 1) {
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if (k !== 'focus' && k !== 'blur' && k !== 'paste') {
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//Y.log('Adding DOM event to frame: ' + k, 'info', 'frame');
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if (k.substring(0, 3) === 'key') {
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inst.on(k, kfn, inst.config.doc);
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} else {
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inst.on(k, fn, inst.config.doc);
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}
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}
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}
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}, this);
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inst.Node.DOM_EVENTS.paste = 1;
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inst.on('paste', Y.bind(this._DOMPaste, this), inst.one('body'));
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//Adding focus/blur to the window object
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inst.on('focus', fn, inst.config.win);
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inst.on('blur', fn, inst.config.win);
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inst._use = inst.use;
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inst.use = Y.bind(this.use, this);
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this._iframe.setStyles({
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visibility: 'inherit'
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});
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inst.one('body').setStyle('display', 'block');
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},
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/**
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* @private
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* @method _onContentReady
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* @description Called once the content is available in the frame/window and calls the final use call
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* on the internal instance so that the modules are loaded properly.
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*/
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_onContentReady: function(e) {
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if (!this._ready) {
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this._ready = true;
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var inst = this.getInstance(),
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args = Y.clone(this.get('use'));
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this.fire('contentready');
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Y.log('On available for body of iframe', 'info', 'frame');
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if (e) {
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inst.config.doc = Y.Node.getDOMNode(e.target);
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}
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//TODO Circle around and deal with CSS loading...
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args.push(Y.bind(function() {
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Y.log('Callback from final internal use call', 'info', 'frame');
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this.fire('ready');
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}, this));
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Y.log('Calling use on internal instance: ' + args, 'info', 'frame');
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inst.use.apply(inst, args);
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inst.one('doc').get('documentElement').addClass('yui-js-enabled');
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}
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},
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/**
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* @private
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* @method _resolveBaseHref
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* @description Resolves the basehref of the page the frame is created on. Only applies to dynamic content.
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* @param {String} href The new value to use, if empty it will be resolved from the current url.
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* @return {String}
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*/
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_resolveBaseHref: function(href) {
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if (!href || href === '') {
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href = Y.config.doc.location.href;
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if (href.indexOf('?') !== -1) { //Remove the query string
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href = href.substring(0, href.indexOf('?'));
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}
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href = href.substring(0, href.lastIndexOf('/')) + '/';
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}
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return href;
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},
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/**
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* @private
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* @method _getHTML
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* @description Get the content from the iframe
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* @param {String} html The raw HTML from the body of the iframe.
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* @return {String}
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*/
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_getHTML: function(html) {
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if (this._ready) {
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var inst = this.getInstance();
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html = inst.one('body').get('innerHTML');
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}
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return html;
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},
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/**
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* @private
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* @method _setHTML
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* @description Set the content of the iframe
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* @param {String} html The raw HTML to set the body of the iframe to.
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* @return {String}
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*/
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_setHTML: function(html) {
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if (this._ready) {
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var inst = this.getInstance();
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inst.one('body').set('innerHTML', html);
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} else {
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//This needs to be wrapped in a contentready callback for the !_ready state
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this.on('contentready', Y.bind(function(html, e) {
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var inst = this.getInstance();
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inst.one('body').set('innerHTML', html);
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}, this, html));
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}
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return html;
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},
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/**
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* @private
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* @method _setExtraCSS
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* @description Set's the extra CSS on the instance..
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*/
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_setExtraCSS: function(css) {
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if (this._ready) {
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var inst = this.getInstance(),
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node = inst.get('#extra_css');
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node.remove();
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inst.one('head').append('<style id="extra_css">' + css + '</style>');
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}
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return css;
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},
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/**
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* @private
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* @method _instanceLoaded
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* @description Called from the first YUI instance that sets up the internal instance.
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* This loads the content into the window/frame and attaches the contentready event.
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* @param {YUI} inst The internal YUI instance bound to the frame/window
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*/
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_instanceLoaded: function(inst) {
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this._instance = inst;
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this._onContentReady();
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var doc = this._instance.config.doc;
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if (this.get('designMode')) {
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if (!Y.UA.ie) {
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try {
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//Force other browsers into non CSS styling
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doc.execCommand('styleWithCSS', false, false);
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doc.execCommand('insertbronreturn', false, false);
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} catch (err) {}
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}
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}
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},
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//BEGIN PUBLIC METHODS
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/**
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* @method use
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* @description This is a scoped version of the normal YUI.use method & is bound to this frame/window.
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* At setup, the inst.use method is mapped to this method.
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*/
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use: function() {
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Y.log('Calling augmented use after ready', 'info', 'frame');
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var inst = this.getInstance(),
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args = Y.Array(arguments),
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cb = false;
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if (Y.Lang.isFunction(args[args.length - 1])) {
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cb = args.pop();
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}
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if (cb) {
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args.push(function() {
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Y.log('Internal callback from augmented use', 'info', 'frame');
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cb.apply(inst, arguments);
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});
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}
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inst._use.apply(inst, args);
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},
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/**
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* @method delegate
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* @description A delegate method passed to the instance's delegate method
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* @param {String} type The type of event to listen for
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* @param {Function} fn The method to attach
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* @param {String} cont The container to act as a delegate, if no "sel" passed, the body is assumed as the container.
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* @param {String} sel The selector to match in the event (optional)
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* @return {EventHandle} The Event handle returned from Y.delegate
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*/
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delegate: function(type, fn, cont, sel) {
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var inst = this.getInstance();
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if (!inst) {
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Y.log('Delegate events can not be attached until after the ready event has fired.', 'error', 'iframe');
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return false;
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}
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if (!sel) {
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sel = cont;
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cont = 'body';
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}
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return inst.delegate(type, fn, cont, sel);
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},
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/**
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* @method getInstance
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* @description Get a reference to the internal YUI instance.
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* @return {YUI} The internal YUI instance
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*/
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getInstance: function() {
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return this._instance;
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},
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/**
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* @method render
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* @description Render the iframe into the container config option or open the window.
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* @param {String/HTMLElement/Node} node The node to render to
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* @return {Y.Frame}
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* @chainable
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*/
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render: function(node) {
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if (this._rendered) {
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Y.log('Frame already rendered.', 'warn', 'frame');
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return this;
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}
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this._rendered = true;
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if (node) {
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this.set('container', node);
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}
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this._create(Y.bind(function(res) {
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var inst, timer,
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cb = Y.bind(function(i) {
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Y.log('Internal instance loaded with node-base', 'info', 'frame');
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this._instanceLoaded(i);
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}, this),
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args = Y.clone(this.get('use')),
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config = {
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debug: false,
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win: res.win,
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doc: res.doc
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},
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fn = Y.bind(function() {
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Y.log('New Modules Loaded into main instance', 'info', 'frame');
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config = this._resolveWinDoc(config);
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inst = YUI(config);
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inst.log = Y.log; //Dump the instance logs to the parent instance.
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Y.log('Creating new internal instance with node-base only', 'info', 'frame');
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try {
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inst.use('node-base', cb);
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if (timer) {
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clearInterval(timer);
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}
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} catch (e) {
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timer = setInterval(function() {
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Y.log('[TIMER] Internal use call failed, retrying', 'info', 'frame');
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fn();
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}, 350);
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Y.log('Internal use call failed, retrying', 'info', 'frame');
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}
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}, this);
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args.push(fn);
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Y.log('Adding new modules to main instance: ' + args, 'info', 'frame');
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Y.use.apply(Y, args);
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}, this));
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return this;
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},
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/**
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* @method focus
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* @description Set the focus to the iframe
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* @param {Function} fn Callback function to execute after focus happens
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* @return {Frame}
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* @chainable
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*/
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focus: function(fn) {
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if (Y.UA.ie) {
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Y.one('win').focus();
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this.getInstance().one('win').focus();
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if (Y.Lang.isFunction(fn)) {
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fn();
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}
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} else {
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try {
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Y.one('win').focus();
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Y.later(100, this, function() {
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this.getInstance().one('win').focus();
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if (Y.Lang.isFunction(fn)) {
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fn();
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}
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});
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} catch (ferr) {
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Y.log('Frame focus failed', 'warn', 'frame');
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}
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}
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return this;
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},
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/**
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* @method show
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* @description Show the iframe instance
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* @return {Frame}
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|
* @chainable
|
|
*/
|
|
show: function() {
|
|
this._iframe.setStyles({
|
|
position: 'static',
|
|
left: ''
|
|
});
|
|
if (Y.UA.gecko) {
|
|
try {
|
|
this._instance.config.doc.designMode = 'on';
|
|
} catch (e) { }
|
|
this.focus();
|
|
}
|
|
return this;
|
|
},
|
|
/**
|
|
* @method hide
|
|
* @description Hide the iframe instance
|
|
* @return {Frame}
|
|
* @chainable
|
|
*/
|
|
hide: function() {
|
|
this._iframe.setStyles({
|
|
position: 'absolute',
|
|
left: '-999999px'
|
|
});
|
|
return this;
|
|
}
|
|
}, {
|
|
|
|
/**
|
|
* @static
|
|
* @property DOM_EVENTS
|
|
* @description The DomEvents that the frame automatically attaches and bubbles
|
|
* @type Object
|
|
*/
|
|
DOM_EVENTS: {
|
|
paste: 1,
|
|
mouseup: 1,
|
|
mousedown: 1,
|
|
keyup: 1,
|
|
keydown: 1,
|
|
keypress: 1,
|
|
activate: 1,
|
|
deactivate: 1,
|
|
focusin: 1,
|
|
focusout: 1
|
|
},
|
|
|
|
/**
|
|
* @static
|
|
* @property DEFAULT_CSS
|
|
* @description The default css used when creating the document.
|
|
* @type String
|
|
*/
|
|
DEFAULT_CSS: 'html { height: 95%; } body { padding: 7px; background-color: #fff; font: 13px/1.22 arial,helvetica,clean,sans-serif;*font-size:small;*font:x-small; } a, a:visited, a:hover { color: blue !important; text-decoration: underline !important; cursor: text !important; } img { cursor: pointer !important; border: none; }',
|
|
|
|
//DEFAULT_CSS: 'html { } body { margin: -15px 0 0 -15px; padding: 7px 0 0 15px; display: block; background-color: #fff; font: 13px/1.22 arial,helvetica,clean,sans-serif;*font-size:small;*font:x-small; }',
|
|
//DEFAULT_CSS: 'html { height: 95%; } body { height: 100%; padding: 7px; margin: 0 0 0 -7px; postion: relative; background-color: #fff; font: 13px/1.22 arial,helvetica,clean,sans-serif;*font-size:small;*font:x-small; } a, a:visited, a:hover { color: blue !important; text-decoration: underline !important; cursor: text !important; } img { cursor: pointer !important; border: none; }',
|
|
//DEFAULT_CSS: 'html { margin: 0; padding: 0; border: none; border-size: 0; } body { height: 97%; margin: 0; padding: 0; display: block; background-color: gray; font: 13px/1.22 arial,helvetica,clean,sans-serif;*font-size:small;*font:x-small; }',
|
|
/**
|
|
* @static
|
|
* @property HTML
|
|
* @description The template string used to create the iframe
|
|
* @type String
|
|
*/
|
|
HTML: '<iframe border="0" frameBorder="0" marginWidth="0" marginHeight="0" leftMargin="0" topMargin="0" allowTransparency="true" width="100%" height="99%"></iframe>',
|
|
//HTML: '<iframe border="0" frameBorder="0" width="100%" height="99%"></iframe>',
|
|
/**
|
|
* @static
|
|
* @property PAGE_HTML
|
|
* @description The template used to create the page when created dynamically.
|
|
* @type String
|
|
*/
|
|
PAGE_HTML: '<html dir="{DIR}" lang="{LANG}"><head><title>{TITLE}</title>{META}<base href="{BASE_HREF}"/><style id="editor_css">{DEFAULT_CSS}</style>{EXTRA_CSS}</head><body>{CONTENT}</body></html>',
|
|
/**
|
|
* @static
|
|
* @property DOC_TYPE
|
|
* @description The DOCTYPE to prepend to the new document when created. Should match the one on the page being served.
|
|
* @type String
|
|
*/
|
|
DOC_TYPE: '<!DOCTYPE HTML PUBLIC "-/'+'/W3C/'+'/DTD HTML 4.01/'+'/EN" "http:/'+'/www.w3.org/TR/html4/strict.dtd">',
|
|
/**
|
|
* @static
|
|
* @property META
|
|
* @description The meta-tag for Content-Type to add to the dynamic document
|
|
* @type String
|
|
*/
|
|
META: '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7">',
|
|
//META: '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>',
|
|
/**
|
|
* @static
|
|
* @property NAME
|
|
* @description The name of the class (frame)
|
|
* @type String
|
|
*/
|
|
NAME: 'frame',
|
|
ATTRS: {
|
|
/**
|
|
* @attribute title
|
|
* @description The title to give the blank page.
|
|
* @type String
|
|
*/
|
|
title: {
|
|
value: 'Blank Page'
|
|
},
|
|
/**
|
|
* @attribute dir
|
|
* @description The default text direction for this new frame. Default: ltr
|
|
* @type String
|
|
*/
|
|
dir: {
|
|
value: 'ltr'
|
|
},
|
|
/**
|
|
* @attribute lang
|
|
* @description The default language. Default: en-US
|
|
* @type String
|
|
*/
|
|
lang: {
|
|
value: 'en-US'
|
|
},
|
|
/**
|
|
* @attribute src
|
|
* @description The src of the iframe/window. Defaults to javascript:;
|
|
* @type String
|
|
*/
|
|
src: {
|
|
//Hackish, IE needs the false in the Javascript URL
|
|
value: 'javascript' + ((Y.UA.ie) ? ':false' : ':') + ';'
|
|
},
|
|
/**
|
|
* @attribute designMode
|
|
* @description Should designMode be turned on after creation.
|
|
* @writeonce
|
|
* @type Boolean
|
|
*/
|
|
designMode: {
|
|
writeOnce: true,
|
|
value: false
|
|
},
|
|
/**
|
|
* @attribute content
|
|
* @description The string to inject into the body of the new frame/window.
|
|
* @type String
|
|
*/
|
|
content: {
|
|
value: '<br>',
|
|
setter: '_setHTML',
|
|
getter: '_getHTML'
|
|
},
|
|
/**
|
|
* @attribute basehref
|
|
* @description The base href to use in the iframe.
|
|
* @type String
|
|
*/
|
|
basehref: {
|
|
value: false,
|
|
getter: '_resolveBaseHref'
|
|
},
|
|
/**
|
|
* @attribute use
|
|
* @description Array of modules to include in the scoped YUI instance at render time. Default: ['none', 'selector-css2']
|
|
* @writeonce
|
|
* @type Array
|
|
*/
|
|
use: {
|
|
writeOnce: true,
|
|
value: ['substitute', 'node', 'node-style', 'selector-css3']
|
|
},
|
|
/**
|
|
* @attribute container
|
|
* @description The container to append the iFrame to on render.
|
|
* @type String/HTMLElement/Node
|
|
*/
|
|
container: {
|
|
value: 'body',
|
|
setter: function(n) {
|
|
return Y.one(n);
|
|
}
|
|
},
|
|
/**
|
|
* @attribute id
|
|
* @description Set the id of the new Node. (optional)
|
|
* @type String
|
|
* @writeonce
|
|
*/
|
|
id: {
|
|
writeOnce: true,
|
|
getter: function(id) {
|
|
if (!id) {
|
|
id = 'iframe-' + Y.guid();
|
|
}
|
|
return id;
|
|
}
|
|
},
|
|
/**
|
|
* @attribute extracss
|
|
* @description A string of CSS to add to the Head of the Editor
|
|
* @type String
|
|
*/
|
|
extracss: {
|
|
value: '',
|
|
setter: '_setExtraCSS'
|
|
},
|
|
/**
|
|
* @attribute host
|
|
* @description A reference to the Editor instance
|
|
* @type Object
|
|
*/
|
|
host: {
|
|
value: false
|
|
}
|
|
}
|
|
});
|
|
|
|
|
|
Y.Frame = Frame;
|
|
|
|
|
|
|
|
}, '3.2.0' ,{skinnable:false, requires:['base', 'node', 'selector-css3', 'substitute']});
|