mirror_php/moodle
1
0
Fork 0
mirror of https://github.com/moodle/moodle.git synced 2025-04-14 13:02:07 +02:00
Code Issues Projects Releases Wiki Activity

MDL-33649 Hide page scrollbars when a chooser is open

Browse Source 
This has the effect of preventing page scrolling which makes the chooser
difficult to use when there are many options or the page is too small.
This commit is contained in:
Andrew Robert Nicols 2012-06-11 08:18:44 +01:00
parent fcbf68fd05
commit b95b05085c
1 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
lib/yui/chooserdialogue/chooserdialogue.js vendored
View File

@ -17,6 +17,9 @@ YUI.add('moodle-core-chooserdialogue', function(Y) {
// Any event listeners we may need to cancel later
listenevents : [],
// The initial overflow setting
initialoverflow : '',
setup_chooser_dialogue : function(bodycontent, headercontent, config) {
// Set Default options
var params = {
@ -65,6 +68,14 @@ YUI.add('moodle-core-chooserdialogue', function(Y) {
var bb = this.overlay.get('boundingBox');
var dialogue = this.container.one('.alloptions');
// Get the overflow setting when the chooser was opened - we
// may need this later
if (Y.UA.ie > 0) {
this.initialoverflow = Y.one('html').getStyle('overflow');
} else {
this.initialoverflow = Y.one('body').getStyle('overflow');
}
var thisevent;
// These will trigger a check_options call to display the correct help
@ -168,9 +179,21 @@ YUI.add('moodle-core-chooserdialogue', function(Y) {
// Set a fixed position if the window is large enough
if (newheight > this.get('minheight')) {
bb.setStyle('position', 'fixed');
// Disable the page scrollbars
if (Y.UA.ie > 0) {
Y.one('html').setStyle('overflow', 'hidden');
} else {
Y.one('body').setStyle('overflow', 'hidden');
}
} else {
bb.setStyle('position', 'absolute');
offsettop = Y.one('window').get('scrollTop');
// Ensure that the page scrollbars are enabled
if (Y.UA.ie > 0) {
Y.one('html').setStyle('overflow', this.initialoverflow);
} else {
Y.one('body').setStyle('overflow', this.initialoverflow);
}
}
// Take off 15px top and bottom for borders, plus 40px each for the title and button area before setting the
@ -203,6 +226,14 @@ YUI.add('moodle-core-chooserdialogue', function(Y) {
hide : function() {
// Detach the global keypress handler before hiding
Y.one('document').detach('keyup', this.handle_key_press, this);
// Re-enable the page scrollbars
if (Y.UA.ie > 0) {
Y.one('html').setStyle('overflow', this.initialoverflow);
} else {
Y.one('body').setStyle('overflow', this.initialoverflow);
}
this.container.detachAll();
this.overlay.hide();
},