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Dialog: Refactored event delegation to cancel events for modal dialogs. Fixes #2807 - dialogUI + modal mode = slow.

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This commit is contained in:
Scott González 2009-02-19 02:20:20 +00:00
parent 835cbf1833
commit 3c7e1b3ff9
1 changed files with 5 additions and 20 deletions
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25
ui/ui.dialog.js
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@ -187,7 +187,7 @@ $.widget("ui.dialog", {
$.ui.dialog.maxZ = this.options.zIndex;
}
$.ui.dialog.topMostDialog = this;
(this.overlay && this.overlay.$el.css('z-index', ++$.ui.dialog.maxZ));
(this.overlay && this.overlay.$el.css('z-index', $.ui.dialog.overlay.maxZ = ++$.ui.dialog.maxZ));
//Save and then restore scroll since Opera 9.5+ resets when parent z-Index is changed.
// http://ui.jquery.com/bugs/ticket/3193
@ -516,6 +516,7 @@ $.extend($.ui.dialog, {
$.extend($.ui.dialog.overlay, {
instances: [],
maxZ: 0,
events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
function(event) { return event + '.dialog-overlay'; }).join(' '),
create: function(dialog) {
@ -524,25 +525,9 @@ $.extend($.ui.dialog.overlay, {
// we use a setTimeout in case the overlay is created from an
// event that we're going to be cancelling (see #2804)
setTimeout(function() {
$(document).bind($.ui.dialog.overlay.events, function() {
// allow use of the element if inside a dialog and
// - there are no modal dialogs
// - there are modal dialogs, but we are in front of the topmost modal
var allow = false;
var $dialog = $(this).parents('.ui-dialog');
if ($dialog.length) {
var $overlays = $('.ui-dialog-overlay');
if ($overlays.length) {
var maxZ = parseInt($overlays.css('z-index'), 10);
$overlays.each(function() {
maxZ = Math.max(maxZ, parseInt($(this).css('z-index'), 10));
});
allow = parseInt($dialog.css('z-index'), 10) > maxZ;
} else {
allow = true;
}
}
return allow;
$(document).bind($.ui.dialog.overlay.events, function(event) {
var dialogZ = $(event.target).parents('.ui-dialog').css('zIndex') || 0;
return (dialogZ > $.ui.dialog.overlay.maxZ);
});
}, 1);