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