612 lines
19 KiB
JavaScript
612 lines
19 KiB
JavaScript
/*
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Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dijit.Dialog"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit.Dialog"] = true;
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dojo.provide("dijit.Dialog");
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dojo.require("dojo.dnd.move");
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dojo.require("dojo.dnd.TimedMoveable");
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dojo.require("dojo.fx");
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dojo.require("dojo.window");
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dojo.require("dijit._Widget");
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dojo.require("dijit._Templated");
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dojo.require("dijit._CssStateMixin");
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dojo.require("dijit.form._FormMixin");
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dojo.require("dijit._DialogMixin");
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dojo.require("dijit.DialogUnderlay");
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dojo.require("dijit.layout.ContentPane");
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dojo.requireLocalization("dijit", "common", null, "ROOT,ar,ca,cs,da,de,el,es,fi,fr,he,hu,it,ja,kk,ko,nb,nl,pl,pt,pt-pt,ro,ru,sk,sl,sv,th,tr,zh,zh-tw");
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dojo.require("dijit.TooltipDialog");
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// dijit/TooltipDialog required for back-compat. TODO: remove in 2.0
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/*=====
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dijit._underlay = function(kwArgs){
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// summary:
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// A shared instance of a `dijit.DialogUnderlay`
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//
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// description:
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// A shared instance of a `dijit.DialogUnderlay` created and
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// used by `dijit.Dialog`, though never created until some Dialog
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// or subclass thereof is shown.
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};
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=====*/
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dojo.declare(
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"dijit._DialogBase",
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[dijit._Templated, dijit.form._FormMixin, dijit._DialogMixin, dijit._CssStateMixin],
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{
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// summary:
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// A modal dialog Widget
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//
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// description:
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// Pops up a modal dialog window, blocking access to the screen
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// and also graying out the screen Dialog is extended from
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// ContentPane so it supports all the same parameters (href, etc.)
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//
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// example:
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// | <div dojoType="dijit.Dialog" href="test.html"></div>
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//
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// example:
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// | var foo = new dijit.Dialog({ title: "test dialog", content: "test content" };
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// | dojo.body().appendChild(foo.domNode);
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// | foo.startup();
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templateString: dojo.cache("dijit", "templates/Dialog.html", "<div class=\"dijitDialog\" role=\"dialog\" aria-labelledby=\"${id}_title\">\n\t<div dojoAttachPoint=\"titleBar\" class=\"dijitDialogTitleBar\">\n\t<span dojoAttachPoint=\"titleNode\" class=\"dijitDialogTitle\" id=\"${id}_title\"></span>\n\t<span dojoAttachPoint=\"closeButtonNode\" class=\"dijitDialogCloseIcon\" dojoAttachEvent=\"ondijitclick: onCancel\" title=\"${buttonCancel}\" role=\"button\" tabIndex=\"-1\">\n\t\t<span dojoAttachPoint=\"closeText\" class=\"closeText\" title=\"${buttonCancel}\">x</span>\n\t</span>\n\t</div>\n\t\t<div dojoAttachPoint=\"containerNode\" class=\"dijitDialogPaneContent\"></div>\n</div>\n"),
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baseClass: "dijitDialog",
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cssStateNodes: {
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closeButtonNode: "dijitDialogCloseIcon"
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},
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attributeMap: dojo.delegate(dijit._Widget.prototype.attributeMap, {
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title: [
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{ node: "titleNode", type: "innerHTML" },
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{ node: "titleBar", type: "attribute" }
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],
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"aria-describedby":""
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}),
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// open: [readonly] Boolean
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// True if Dialog is currently displayed on screen.
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open: false,
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// duration: Integer
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// The time in milliseconds it takes the dialog to fade in and out
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duration: dijit.defaultDuration,
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// refocus: Boolean
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// A Toggle to modify the default focus behavior of a Dialog, which
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// is to re-focus the element which had focus before being opened.
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// False will disable refocusing. Default: true
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refocus: true,
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// autofocus: Boolean
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// A Toggle to modify the default focus behavior of a Dialog, which
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// is to focus on the first dialog element after opening the dialog.
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// False will disable autofocusing. Default: true
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autofocus: true,
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// _firstFocusItem: [private readonly] DomNode
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// The pointer to the first focusable node in the dialog.
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// Set by `dijit._DialogMixin._getFocusItems`.
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_firstFocusItem: null,
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// _lastFocusItem: [private readonly] DomNode
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// The pointer to which node has focus prior to our dialog.
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// Set by `dijit._DialogMixin._getFocusItems`.
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_lastFocusItem: null,
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// doLayout: [protected] Boolean
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// Don't change this parameter from the default value.
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// This ContentPane parameter doesn't make sense for Dialog, since Dialog
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// is never a child of a layout container, nor can you specify the size of
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// Dialog in order to control the size of an inner widget.
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doLayout: false,
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// draggable: Boolean
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// Toggles the moveable aspect of the Dialog. If true, Dialog
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// can be dragged by it's title. If false it will remain centered
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// in the viewport.
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draggable: true,
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//aria-describedby: String
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// Allows the user to add an aria-describedby attribute onto the dialog. The value should
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// be the id of the container element of text that describes the dialog purpose (usually
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// the first text in the dialog).
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// <div dojoType="dijit.Dialog" aria-describedby="intro" .....>
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// <div id="intro">Introductory text</div>
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// <div>rest of dialog contents</div>
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// </div>
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"aria-describedby":"",
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postMixInProperties: function(){
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var _nlsResources = dojo.i18n.getLocalization("dijit", "common");
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dojo.mixin(this, _nlsResources);
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this.inherited(arguments);
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},
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postCreate: function(){
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dojo.style(this.domNode, {
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display: "none",
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position:"absolute"
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});
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dojo.body().appendChild(this.domNode);
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this.inherited(arguments);
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this.connect(this, "onExecute", "hide");
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this.connect(this, "onCancel", "hide");
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this._modalconnects = [];
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},
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onLoad: function(){
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// summary:
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// Called when data has been loaded from an href.
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// Unlike most other callbacks, this function can be connected to (via `dojo.connect`)
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// but should *not* be overridden.
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// tags:
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// callback
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// when href is specified we need to reposition the dialog after the data is loaded
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// and find the focusable elements
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this._position();
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if(this.autofocus && dijit._DialogLevelManager.isTop(this)){
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this._getFocusItems(this.domNode);
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dijit.focus(this._firstFocusItem);
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}
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this.inherited(arguments);
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},
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_endDrag: function(e){
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// summary:
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// Called after dragging the Dialog. Saves the position of the dialog in the viewport.
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// tags:
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// private
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if(e && e.node && e.node === this.domNode){
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this._relativePosition = dojo.position(e.node);
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}
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},
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_setup: function(){
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// summary:
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// Stuff we need to do before showing the Dialog for the first
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// time (but we defer it until right beforehand, for
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// performance reasons).
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// tags:
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// private
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var node = this.domNode;
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if(this.titleBar && this.draggable){
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this._moveable = (dojo.isIE == 6) ?
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new dojo.dnd.TimedMoveable(node, { handle: this.titleBar }) : // prevent overload, see #5285
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new dojo.dnd.Moveable(node, { handle: this.titleBar, timeout: 0 });
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this._dndListener = dojo.subscribe("/dnd/move/stop",this,"_endDrag");
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}else{
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dojo.addClass(node,"dijitDialogFixed");
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}
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this.underlayAttrs = {
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dialogId: this.id,
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"class": dojo.map(this["class"].split(/\s/), function(s){ return s+"_underlay"; }).join(" ")
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};
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},
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_size: function(){
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// summary:
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// If necessary, shrink dialog contents so dialog fits in viewport
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// tags:
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// private
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this._checkIfSingleChild();
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// If we resized the dialog contents earlier, reset them back to original size, so
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// that if the user later increases the viewport size, the dialog can display w/out a scrollbar.
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// Need to do this before the dojo.marginBox(this.domNode) call below.
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if(this._singleChild){
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if(this._singleChildOriginalStyle){
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this._singleChild.domNode.style.cssText = this._singleChildOriginalStyle;
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}
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delete this._singleChildOriginalStyle;
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}else{
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dojo.style(this.containerNode, {
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width:"auto",
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height:"auto"
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});
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}
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var mb = dojo._getMarginSize(this.domNode);
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var viewport = dojo.window.getBox();
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if(mb.w >= viewport.w || mb.h >= viewport.h){
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// Reduce size of dialog contents so that dialog fits in viewport
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var w = Math.min(mb.w, Math.floor(viewport.w * 0.75)),
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h = Math.min(mb.h, Math.floor(viewport.h * 0.75));
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if(this._singleChild && this._singleChild.resize){
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this._singleChildOriginalStyle = this._singleChild.domNode.style.cssText;
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this._singleChild.resize({w: w, h: h});
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}else{
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dojo.style(this.containerNode, {
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width: w + "px",
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height: h + "px",
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overflow: "auto",
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position: "relative" // workaround IE bug moving scrollbar or dragging dialog
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});
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}
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}else{
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if(this._singleChild && this._singleChild.resize){
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this._singleChild.resize();
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}
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}
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},
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_position: function(){
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// summary:
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// Position modal dialog in the viewport. If no relative offset
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// in the viewport has been determined (by dragging, for instance),
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// center the node. Otherwise, use the Dialog's stored relative offset,
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// and position the node to top: left: values based on the viewport.
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// tags:
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// private
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if(!dojo.hasClass(dojo.body(),"dojoMove")){
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var node = this.domNode,
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viewport = dojo.window.getBox(),
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p = this._relativePosition,
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bb = p ? null : dojo._getBorderBox(node),
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l = Math.floor(viewport.l + (p ? p.x : (viewport.w - bb.w) / 2)),
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t = Math.floor(viewport.t + (p ? p.y : (viewport.h - bb.h) / 2))
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;
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dojo.style(node,{
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left: l + "px",
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top: t + "px"
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});
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}
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},
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_onKey: function(/*Event*/ evt){
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// summary:
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// Handles the keyboard events for accessibility reasons
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// tags:
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// private
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if(evt.charOrCode){
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var dk = dojo.keys;
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var node = evt.target;
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if(evt.charOrCode === dk.TAB){
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this._getFocusItems(this.domNode);
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}
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var singleFocusItem = (this._firstFocusItem == this._lastFocusItem);
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// see if we are shift-tabbing from first focusable item on dialog
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if(node == this._firstFocusItem && evt.shiftKey && evt.charOrCode === dk.TAB){
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if(!singleFocusItem){
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dijit.focus(this._lastFocusItem); // send focus to last item in dialog
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}
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dojo.stopEvent(evt);
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}else if(node == this._lastFocusItem && evt.charOrCode === dk.TAB && !evt.shiftKey){
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if(!singleFocusItem){
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dijit.focus(this._firstFocusItem); // send focus to first item in dialog
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}
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dojo.stopEvent(evt);
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}else{
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// see if the key is for the dialog
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while(node){
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if(node == this.domNode || dojo.hasClass(node, "dijitPopup")){
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if(evt.charOrCode == dk.ESCAPE){
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this.onCancel();
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}else{
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return; // just let it go
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}
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}
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node = node.parentNode;
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}
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// this key is for the disabled document window
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if(evt.charOrCode !== dk.TAB){ // allow tabbing into the dialog for a11y
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dojo.stopEvent(evt);
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// opera won't tab to a div
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}else if(!dojo.isOpera){
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try{
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this._firstFocusItem.focus();
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}catch(e){ /*squelch*/ }
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}
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}
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}
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},
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show: function(){
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// summary:
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// Display the dialog
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// returns: dojo.Deferred
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// Deferred object that resolves when the display animation is complete
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if(this.open){ return; }
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if(!this._started){
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this.startup();
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}
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// first time we show the dialog, there's some initialization stuff to do
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if(!this._alreadyInitialized){
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this._setup();
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this._alreadyInitialized=true;
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}
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if(this._fadeOutDeferred){
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this._fadeOutDeferred.cancel();
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}
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this._modalconnects.push(dojo.connect(window, "onscroll", this, "layout"));
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this._modalconnects.push(dojo.connect(window, "onresize", this, function(){
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// IE gives spurious resize events and can actually get stuck
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// in an infinite loop if we don't ignore them
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var viewport = dojo.window.getBox();
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if(!this._oldViewport ||
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viewport.h != this._oldViewport.h ||
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viewport.w != this._oldViewport.w){
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this.layout();
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this._oldViewport = viewport;
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}
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}));
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this._modalconnects.push(dojo.connect(this.domNode, "onkeypress", this, "_onKey"));
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dojo.style(this.domNode, {
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opacity:0,
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display:""
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});
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this._set("open", true);
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this._onShow(); // lazy load trigger
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this._size();
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this._position();
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// fade-in Animation object, setup below
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var fadeIn;
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this._fadeInDeferred = new dojo.Deferred(dojo.hitch(this, function(){
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fadeIn.stop();
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delete this._fadeInDeferred;
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}));
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fadeIn = dojo.fadeIn({
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node: this.domNode,
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duration: this.duration,
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beforeBegin: dojo.hitch(this, function(){
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dijit._DialogLevelManager.show(this, this.underlayAttrs);
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}),
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onEnd: dojo.hitch(this, function(){
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if(this.autofocus && dijit._DialogLevelManager.isTop(this)){
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// find focusable items each time dialog is shown since if dialog contains a widget the
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// first focusable items can change
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this._getFocusItems(this.domNode);
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dijit.focus(this._firstFocusItem);
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}
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this._fadeInDeferred.callback(true);
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delete this._fadeInDeferred;
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})
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}).play();
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return this._fadeInDeferred;
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},
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hide: function(){
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// summary:
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// Hide the dialog
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// returns: dojo.Deferred
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// Deferred object that resolves when the hide animation is complete
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// if we haven't been initialized yet then we aren't showing and we can just return
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if(!this._alreadyInitialized){
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return;
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}
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if(this._fadeInDeferred){
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this._fadeInDeferred.cancel();
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}
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// fade-in Animation object, setup below
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var fadeOut;
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this._fadeOutDeferred = new dojo.Deferred(dojo.hitch(this, function(){
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fadeOut.stop();
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delete this._fadeOutDeferred;
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}));
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fadeOut = dojo.fadeOut({
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node: this.domNode,
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duration: this.duration,
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onEnd: dojo.hitch(this, function(){
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this.domNode.style.display = "none";
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dijit._DialogLevelManager.hide(this);
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this.onHide();
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this._fadeOutDeferred.callback(true);
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delete this._fadeOutDeferred;
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})
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}).play();
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if(this._scrollConnected){
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this._scrollConnected = false;
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}
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dojo.forEach(this._modalconnects, dojo.disconnect);
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this._modalconnects = [];
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if(this._relativePosition){
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delete this._relativePosition;
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}
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this._set("open", false);
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return this._fadeOutDeferred;
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},
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layout: function(){
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// summary:
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// Position the Dialog and the underlay
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// tags:
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// private
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if(this.domNode.style.display != "none"){
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if(dijit._underlay){ // avoid race condition during show()
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dijit._underlay.layout();
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}
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this._position();
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}
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},
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destroy: function(){
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if(this._fadeInDeferred){
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this._fadeInDeferred.cancel();
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}
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if(this._fadeOutDeferred){
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this._fadeOutDeferred.cancel();
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}
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if(this._moveable){
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this._moveable.destroy();
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}
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if(this._dndListener){
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dojo.unsubscribe(this._dndListener);
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}
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dojo.forEach(this._modalconnects, dojo.disconnect);
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dijit._DialogLevelManager.hide(this);
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this.inherited(arguments);
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}
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}
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);
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dojo.declare(
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"dijit.Dialog",
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[dijit.layout.ContentPane, dijit._DialogBase],
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{}
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);
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dijit._DialogLevelManager = {
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// summary:
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// Controls the various active "levels" on the page, starting with the
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// stuff initially visible on the page (at z-index 0), and then having an entry for
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// each Dialog shown.
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show: function(/*dijit._Widget*/ dialog, /*Object*/ underlayAttrs){
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// summary:
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// Call right before fade-in animation for new dialog.
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// Saves current focus, displays/adjusts underlay for new dialog,
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// and sets the z-index of the dialog itself.
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//
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// New dialog will be displayed on top of all currently displayed dialogs.
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//
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// Caller is responsible for setting focus in new dialog after the fade-in
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// animation completes.
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var ds = dijit._dialogStack;
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// Save current focus
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ds[ds.length-1].focus = dijit.getFocus(dialog);
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|
// Display the underlay, or if already displayed then adjust for this new dialog
|
|
var underlay = dijit._underlay;
|
|
if(!underlay || underlay._destroyed){
|
|
underlay = dijit._underlay = new dijit.DialogUnderlay(underlayAttrs);
|
|
}else{
|
|
underlay.set(dialog.underlayAttrs);
|
|
}
|
|
|
|
// Set z-index a bit above previous dialog
|
|
var zIndex = ds[ds.length-1].dialog ? ds[ds.length-1].zIndex + 2 : 950;
|
|
if(ds.length == 1){ // first dialog
|
|
underlay.show();
|
|
}
|
|
dojo.style(dijit._underlay.domNode, 'zIndex', zIndex - 1);
|
|
|
|
// Dialog
|
|
dojo.style(dialog.domNode, 'zIndex', zIndex);
|
|
|
|
ds.push({dialog: dialog, underlayAttrs: underlayAttrs, zIndex: zIndex});
|
|
},
|
|
|
|
hide: function(/*dijit._Widget*/ dialog){
|
|
// summary:
|
|
// Called when the specified dialog is hidden/destroyed, after the fade-out
|
|
// animation ends, in order to reset page focus, fix the underlay, etc.
|
|
// If the specified dialog isn't open then does nothing.
|
|
//
|
|
// Caller is responsible for either setting display:none on the dialog domNode,
|
|
// or calling dijit.popup.hide(), or removing it from the page DOM.
|
|
|
|
var ds = dijit._dialogStack;
|
|
|
|
if(ds[ds.length-1].dialog == dialog){
|
|
// Removing the top (or only) dialog in the stack, return focus
|
|
// to previous dialog
|
|
|
|
ds.pop();
|
|
|
|
var pd = ds[ds.length-1]; // the new active dialog (or the base page itself)
|
|
|
|
// Adjust underlay
|
|
if(ds.length == 1){
|
|
// Returning to original page.
|
|
// Hide the underlay, unless the underlay widget has already been destroyed
|
|
// because we are being called during page unload (when all widgets are destroyed)
|
|
if(!dijit._underlay._destroyed){
|
|
dijit._underlay.hide();
|
|
}
|
|
}else{
|
|
// Popping back to previous dialog, adjust underlay
|
|
dojo.style(dijit._underlay.domNode, 'zIndex', pd.zIndex - 1);
|
|
dijit._underlay.set(pd.underlayAttrs);
|
|
}
|
|
|
|
// Adjust focus
|
|
if(dialog.refocus){
|
|
// If we are returning control to a previous dialog but for some reason
|
|
// that dialog didn't have a focused field, set focus to first focusable item.
|
|
// This situation could happen if two dialogs appeared at nearly the same time,
|
|
// since a dialog doesn't set it's focus until the fade-in is finished.
|
|
var focus = pd.focus;
|
|
if(!focus || (pd.dialog && !dojo.isDescendant(focus.node, pd.dialog.domNode))){
|
|
pd.dialog._getFocusItems(pd.dialog.domNode);
|
|
focus = pd.dialog._firstFocusItem;
|
|
}
|
|
|
|
try{
|
|
dijit.focus(focus);
|
|
}catch(e){
|
|
/* focus() will fail if user opened the dialog by clicking a non-focusable element */
|
|
}
|
|
}
|
|
}else{
|
|
// Removing a dialog out of order (#9944, #10705).
|
|
// Don't need to mess with underlay or z-index or anything.
|
|
var idx = dojo.indexOf(dojo.map(ds, function(elem){return elem.dialog}), dialog);
|
|
if(idx != -1){
|
|
ds.splice(idx, 1);
|
|
}
|
|
}
|
|
},
|
|
|
|
isTop: function(/*dijit._Widget*/ dialog){
|
|
// summary:
|
|
// Returns true if specified Dialog is the top in the task
|
|
var ds = dijit._dialogStack;
|
|
return ds[ds.length-1].dialog == dialog;
|
|
}
|
|
};
|
|
|
|
// Stack representing the various active "levels" on the page, starting with the
|
|
// stuff initially visible on the page (at z-index 0), and then having an entry for
|
|
// each Dialog shown.
|
|
// Each element in stack has form {
|
|
// dialog: dialogWidget,
|
|
// focus: returnFromGetFocus(),
|
|
// underlayAttrs: attributes to set on underlay (when this widget is active)
|
|
// }
|
|
dijit._dialogStack = [
|
|
{dialog: null, focus: null, underlayAttrs: null} // entry for stuff at z-index: 0
|
|
];
|
|
|
|
}
|