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103 lines
3.1 KiB
JavaScript
103 lines
3.1 KiB
JavaScript
12 years ago
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define("dijit/DialogUnderlay", [
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"dojo/_base/declare", // declare
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"dojo/dom-attr", // domAttr.set
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"dojo/window", // winUtils.getBox
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"./_Widget",
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"./_TemplatedMixin",
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"./BackgroundIframe"
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], function(declare, domAttr, winUtils, _Widget, _TemplatedMixin, BackgroundIframe){
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// module:
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// dijit/DialogUnderlay
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return declare("dijit.DialogUnderlay", [_Widget, _TemplatedMixin], {
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// summary:
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// The component that blocks the screen behind a `dijit.Dialog`
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//
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// description:
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// A component used to block input behind a `dijit.Dialog`. Only a single
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// instance of this widget is created by `dijit.Dialog`, and saved as
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// a reference to be shared between all Dialogs as `dijit._underlay`
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//
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// The underlay itself can be styled based on and id:
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// | #myDialog_underlay { background-color:red; }
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//
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// In the case of `dijit.Dialog`, this id is based on the id of the Dialog,
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// suffixed with _underlay.
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// Template has two divs; outer div is used for fade-in/fade-out, and also to hold background iframe.
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// Inner div has opacity specified in CSS file.
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templateString: "<div class='dijitDialogUnderlayWrapper'><div class='dijitDialogUnderlay' data-dojo-attach-point='node'></div></div>",
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// Parameters on creation or updatable later
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// dialogId: String
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// Id of the dialog.... DialogUnderlay's id is based on this id
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dialogId: "",
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// class: String
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// This class name is used on the DialogUnderlay node, in addition to dijitDialogUnderlay
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"class": "",
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_setDialogIdAttr: function(id){
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domAttr.set(this.node, "id", id + "_underlay");
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this._set("dialogId", id);
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},
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_setClassAttr: function(clazz){
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this.node.className = "dijitDialogUnderlay " + clazz;
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this._set("class", clazz);
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},
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postCreate: function(){
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// summary:
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// Append the underlay to the body
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this.ownerDocumentBody.appendChild(this.domNode);
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},
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layout: function(){
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// summary:
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// Sets the background to the size of the viewport
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//
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// description:
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// Sets the background to the size of the viewport (rather than the size
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// of the document) since we need to cover the whole browser window, even
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// if the document is only a few lines long.
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// tags:
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// private
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var is = this.node.style,
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os = this.domNode.style;
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// hide the background temporarily, so that the background itself isn't
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// causing scrollbars to appear (might happen when user shrinks browser
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// window and then we are called to resize)
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os.display = "none";
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// then resize and show
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var viewport = winUtils.getBox(this.ownerDocument);
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os.top = viewport.t + "px";
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os.left = viewport.l + "px";
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is.width = viewport.w + "px";
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is.height = viewport.h + "px";
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os.display = "block";
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},
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show: function(){
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// summary:
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// Show the dialog underlay
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this.domNode.style.display = "block";
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this.layout();
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this.bgIframe = new BackgroundIframe(this.domNode);
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},
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hide: function(){
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// summary:
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// Hides the dialog underlay
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this.bgIframe.destroy();
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delete this.bgIframe;
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this.domNode.style.display = "none";
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}
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});
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});
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