2010-11-15 08:39:52 +01:00
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/*
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2011-11-08 17:40:44 +01:00
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Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
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2010-11-15 08:39:52 +01:00
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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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2011-11-08 17:40:44 +01:00
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if(!dojo._hasResource["dijit._Widget"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit._Widget"] = true;
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2010-11-15 08:39:52 +01:00
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dojo.provide("dijit._Widget");
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2011-11-08 17:40:44 +01:00
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dojo.require("dijit._WidgetBase");
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2010-11-15 08:39:52 +01:00
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dojo.require("dijit._base");
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2011-11-08 17:40:44 +01:00
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////////////////// DEFERRED CONNECTS ///////////////////
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// This code is to assist deferring dojo.connect() calls in widgets (connecting to events on the widgets'
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// DOM nodes) until someone actually needs to monitor that event.
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dojo.connect(dojo, "_connect",
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function(/*dijit._Widget*/ widget, /*String*/ event){
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if(widget && dojo.isFunction(widget._onConnect)){
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widget._onConnect(event);
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}
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});
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dijit._connectOnUseEventHandler = function(/*Event*/ event){};
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////////////////// ONDIJITCLICK SUPPORT ///////////////////
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// Keep track of where the last keydown event was, to help avoid generating
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// spurious ondijitclick events when:
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// 1. focus is on a <button> or <a>
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// 2. user presses then releases the ENTER key
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// 3. onclick handler fires and shifts focus to another node, with an ondijitclick handler
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// 4. onkeyup event fires, causing the ondijitclick handler to fire
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dijit._lastKeyDownNode = null;
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2010-11-15 08:39:52 +01:00
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if(dojo.isIE){
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2011-11-08 17:40:44 +01:00
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(function(){
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var keydownCallback = function(evt){
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dijit._lastKeyDownNode = evt.srcElement;
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};
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dojo.doc.attachEvent('onkeydown', keydownCallback);
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dojo.addOnWindowUnload(function(){
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dojo.doc.detachEvent('onkeydown', keydownCallback);
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});
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})();
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2010-11-15 08:39:52 +01:00
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}else{
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2011-11-08 17:40:44 +01:00
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dojo.doc.addEventListener('keydown', function(evt){
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dijit._lastKeyDownNode = evt.target;
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}, true);
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2010-11-15 08:39:52 +01:00
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}
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2011-11-08 17:40:44 +01:00
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2010-11-15 08:39:52 +01:00
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(function(){
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2011-11-08 17:40:44 +01:00
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dojo.declare("dijit._Widget", dijit._WidgetBase, {
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// summary:
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// Base class for all Dijit widgets.
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//
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// Extends _WidgetBase, adding support for:
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// - deferred connections
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// A call like dojo.connect(myWidget, "onMouseMove", func)
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// will essentially do a dojo.connect(myWidget.domNode, "onMouseMove", func)
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// - ondijitclick
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// Support new dojoAttachEvent="ondijitclick: ..." that is triggered by a mouse click or a SPACE/ENTER keypress
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// - focus related functions
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// In particular, the onFocus()/onBlur() callbacks. Driven internally by
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// dijit/_base/focus.js.
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// - deprecated methods
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// - onShow(), onHide(), onClose()
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//
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// Also, by loading code in dijit/_base, turns on:
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// - browser sniffing (putting browser id like .dj_ie on <html> node)
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// - high contrast mode sniffing (add .dijit_a11y class to <body> if machine is in high contrast mode)
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////////////////// DEFERRED CONNECTS ///////////////////
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// _deferredConnects: [protected] Object
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// attributeMap addendum for event handlers that should be connected only on first use
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_deferredConnects: {
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onClick: "",
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onDblClick: "",
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onKeyDown: "",
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onKeyPress: "",
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onKeyUp: "",
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onMouseMove: "",
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onMouseDown: "",
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onMouseOut: "",
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onMouseOver: "",
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onMouseLeave: "",
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onMouseEnter: "",
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onMouseUp: ""
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},
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onClick: dijit._connectOnUseEventHandler,
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/*=====
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onClick: function(event){
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// summary:
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// Connect to this function to receive notifications of mouse click events.
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// event:
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// mouse Event
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// tags:
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// callback
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},
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=====*/
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onDblClick: dijit._connectOnUseEventHandler,
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/*=====
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onDblClick: function(event){
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// summary:
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// Connect to this function to receive notifications of mouse double click events.
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// event:
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// mouse Event
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// tags:
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// callback
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},
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=====*/
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onKeyDown: dijit._connectOnUseEventHandler,
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/*=====
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onKeyDown: function(event){
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// summary:
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// Connect to this function to receive notifications of keys being pressed down.
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// event:
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// key Event
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// tags:
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// callback
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},
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=====*/
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onKeyPress: dijit._connectOnUseEventHandler,
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/*=====
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onKeyPress: function(event){
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// summary:
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// Connect to this function to receive notifications of printable keys being typed.
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// event:
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// key Event
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// tags:
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// callback
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},
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=====*/
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onKeyUp: dijit._connectOnUseEventHandler,
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/*=====
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onKeyUp: function(event){
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// summary:
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// Connect to this function to receive notifications of keys being released.
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// event:
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// key Event
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// tags:
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// callback
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},
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=====*/
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onMouseDown: dijit._connectOnUseEventHandler,
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/*=====
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onMouseDown: function(event){
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// summary:
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// Connect to this function to receive notifications of when the mouse button is pressed down.
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// event:
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// mouse Event
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// tags:
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// callback
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},
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=====*/
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onMouseMove: dijit._connectOnUseEventHandler,
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/*=====
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onMouseMove: function(event){
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// summary:
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// Connect to this function to receive notifications of when the mouse moves over nodes contained within this widget.
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// event:
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// mouse Event
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// tags:
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// callback
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},
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=====*/
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onMouseOut: dijit._connectOnUseEventHandler,
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/*=====
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onMouseOut: function(event){
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// summary:
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// Connect to this function to receive notifications of when the mouse moves off of nodes contained within this widget.
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// event:
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// mouse Event
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// tags:
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// callback
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},
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=====*/
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onMouseOver: dijit._connectOnUseEventHandler,
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/*=====
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onMouseOver: function(event){
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// summary:
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// Connect to this function to receive notifications of when the mouse moves onto nodes contained within this widget.
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// event:
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// mouse Event
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// tags:
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// callback
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},
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=====*/
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onMouseLeave: dijit._connectOnUseEventHandler,
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/*=====
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onMouseLeave: function(event){
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// summary:
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// Connect to this function to receive notifications of when the mouse moves off of this widget.
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// event:
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// mouse Event
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// tags:
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// callback
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},
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=====*/
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onMouseEnter: dijit._connectOnUseEventHandler,
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/*=====
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onMouseEnter: function(event){
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// summary:
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// Connect to this function to receive notifications of when the mouse moves onto this widget.
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// event:
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// mouse Event
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// tags:
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// callback
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},
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=====*/
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onMouseUp: dijit._connectOnUseEventHandler,
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/*=====
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onMouseUp: function(event){
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// summary:
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// Connect to this function to receive notifications of when the mouse button is released.
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// event:
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// mouse Event
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// tags:
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// callback
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},
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=====*/
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create: function(/*Object?*/params, /*DomNode|String?*/srcNodeRef){
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// To avoid double-connects, remove entries from _deferredConnects
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// that have been setup manually by a subclass (ex, by dojoAttachEvent).
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// If a subclass has redefined a callback (ex: onClick) then assume it's being
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// connected to manually.
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this._deferredConnects = dojo.clone(this._deferredConnects);
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for(var attr in this.attributeMap){
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delete this._deferredConnects[attr]; // can't be in both attributeMap and _deferredConnects
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}
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for(attr in this._deferredConnects){
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if(this[attr] !== dijit._connectOnUseEventHandler){
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delete this._deferredConnects[attr]; // redefined, probably dojoAttachEvent exists
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}
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}
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this.inherited(arguments);
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if(this.domNode){
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// If the developer has specified a handler as a widget parameter
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// (ex: new Button({onClick: ...})
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// then naturally need to connect from DOM node to that handler immediately,
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for(attr in this.params){
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this._onConnect(attr);
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}
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}
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},
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_onConnect: function(/*String*/ event){
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// summary:
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// Called when someone connects to one of my handlers.
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// "Turn on" that handler if it isn't active yet.
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//
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// This is also called for every single initialization parameter
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// so need to do nothing for parameters like "id".
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// tags:
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// private
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if(event in this._deferredConnects){
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var mapNode = this[this._deferredConnects[event] || 'domNode'];
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this.connect(mapNode, event.toLowerCase(), event);
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delete this._deferredConnects[event];
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}
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},
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////////////////// FOCUS RELATED ///////////////////
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// _onFocus() and _onBlur() are called by the focus manager
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// focused: [readonly] Boolean
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// This widget or a widget it contains has focus, or is "active" because
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// it was recently clicked.
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focused: false,
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isFocusable: function(){
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// summary:
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// Return true if this widget can currently be focused
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// and false if not
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return this.focus && (dojo.style(this.domNode, "display") != "none");
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},
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onFocus: function(){
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// summary:
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// Called when the widget becomes "active" because
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// it or a widget inside of it either has focus, or has recently
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// been clicked.
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// tags:
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// callback
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},
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onBlur: function(){
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// summary:
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// Called when the widget stops being "active" because
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// focus moved to something outside of it, or the user
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// clicked somewhere outside of it, or the widget was
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// hidden.
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// tags:
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// callback
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},
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_onFocus: function(e){
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// summary:
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// This is where widgets do processing for when they are active,
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// such as changing CSS classes. See onFocus() for more details.
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// tags:
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// protected
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this.onFocus();
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},
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_onBlur: function(){
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// summary:
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// This is where widgets do processing for when they stop being active,
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// such as changing CSS classes. See onBlur() for more details.
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// tags:
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// protected
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this.onBlur();
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},
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////////////////// DEPRECATED METHODS ///////////////////
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setAttribute: function(/*String*/ attr, /*anything*/ value){
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// summary:
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// Deprecated. Use set() instead.
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// tags:
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// deprecated
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dojo.deprecated(this.declaredClass+"::setAttribute(attr, value) is deprecated. Use set() instead.", "", "2.0");
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this.set(attr, value);
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},
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attr: function(/*String|Object*/name, /*Object?*/value){
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// summary:
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// Set or get properties on a widget instance.
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// name:
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// The property to get or set. If an object is passed here and not
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// a string, its keys are used as names of attributes to be set
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// and the value of the object as values to set in the widget.
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// value:
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// Optional. If provided, attr() operates as a setter. If omitted,
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// the current value of the named property is returned.
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// description:
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// This method is deprecated, use get() or set() directly.
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// Print deprecation warning but only once per calling function
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if(dojo.config.isDebug){
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var alreadyCalledHash = arguments.callee._ach || (arguments.callee._ach = {}),
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caller = (arguments.callee.caller || "unknown caller").toString();
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if(!alreadyCalledHash[caller]){
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dojo.deprecated(this.declaredClass + "::attr() is deprecated. Use get() or set() instead, called from " +
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caller, "", "2.0");
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alreadyCalledHash[caller] = true;
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}
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}
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var args = arguments.length;
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if(args >= 2 || typeof name === "object"){ // setter
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return this.set.apply(this, arguments);
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}else{ // getter
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return this.get(name);
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}
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},
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////////////////// ONDIJITCLICK SUPPORT ///////////////////
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// nodesWithKeyClick: [private] String[]
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// List of nodes that correctly handle click events via native browser support,
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// and don't need dijit's help
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nodesWithKeyClick: ["input", "button"],
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connect: function(
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/*Object|null*/ obj,
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/*String|Function*/ event,
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/*String|Function*/ method){
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// summary:
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// Connects specified obj/event to specified method of this object
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// and registers for disconnect() on widget destroy.
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// description:
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// Provide widget-specific analog to dojo.connect, except with the
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// implicit use of this widget as the target object.
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// This version of connect also provides a special "ondijitclick"
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// event which triggers on a click or space or enter keyup.
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// Events connected with `this.connect` are disconnected upon
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// destruction.
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// returns:
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// A handle that can be passed to `disconnect` in order to disconnect before
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// the widget is destroyed.
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// example:
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// | var btn = new dijit.form.Button();
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// | // when foo.bar() is called, call the listener we're going to
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// | // provide in the scope of btn
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// | btn.connect(foo, "bar", function(){
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// | console.debug(this.toString());
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// | });
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// tags:
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// protected
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var d = dojo,
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dc = d._connect,
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handles = this.inherited(arguments, [obj, event == "ondijitclick" ? "onclick" : event, method]);
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if(event == "ondijitclick"){
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// add key based click activation for unsupported nodes.
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// do all processing onkey up to prevent spurious clicks
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// for details see comments at top of this file where _lastKeyDownNode is defined
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if(d.indexOf(this.nodesWithKeyClick, obj.nodeName.toLowerCase()) == -1){ // is NOT input or button
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var m = d.hitch(this, method);
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handles.push(
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dc(obj, "onkeydown", this, function(e){
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//console.log(this.id + ": onkeydown, e.target = ", e.target, ", lastKeyDownNode was ", dijit._lastKeyDownNode, ", equality is ", (e.target === dijit._lastKeyDownNode));
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if((e.keyCode == d.keys.ENTER || e.keyCode == d.keys.SPACE) &&
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!e.ctrlKey && !e.shiftKey && !e.altKey && !e.metaKey){
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// needed on IE for when focus changes between keydown and keyup - otherwise dropdown menus do not work
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dijit._lastKeyDownNode = e.target;
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// Stop event to prevent scrolling on space key in IE.
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|
|
// But don't do this for _HasDropDown because it surpresses the onkeypress
|
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|
|
// event needed to open the drop down when the user presses the SPACE key.
|
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|
|
if(!("openDropDown" in this && obj == this._buttonNode)){
|
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|
|
e.preventDefault();
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|
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|
|
}
|
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|
|
}
|
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|
|
}),
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|
|
dc(obj, "onkeyup", this, function(e){
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|
|
//console.log(this.id + ": onkeyup, e.target = ", e.target, ", lastKeyDownNode was ", dijit._lastKeyDownNode, ", equality is ", (e.target === dijit._lastKeyDownNode));
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|
|
if( (e.keyCode == d.keys.ENTER || e.keyCode == d.keys.SPACE) &&
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e.target == dijit._lastKeyDownNode && // === breaks greasemonkey
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|
!e.ctrlKey && !e.shiftKey && !e.altKey && !e.metaKey){
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|
|
//need reset here or have problems in FF when focus returns to trigger element after closing popup/alert
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|
|
dijit._lastKeyDownNode = null;
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|
|
return m(e);
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|
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|
|
}
|
|
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|
|
})
|
|
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|
|
);
|
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|
|
}
|
|
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|
|
}
|
|
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|
|
return handles; // _Widget.Handle
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
////////////////// MISCELLANEOUS METHODS ///////////////////
|
|
|
|
|
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|
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|
|
_onShow: function(){
|
|
|
|
|
// summary:
|
|
|
|
|
// Internal method called when this widget is made visible.
|
|
|
|
|
// See `onShow` for details.
|
|
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|
|
this.onShow();
|
|
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|
|
},
|
|
|
|
|
|
|
|
|
|
onShow: function(){
|
|
|
|
|
// summary:
|
|
|
|
|
// Called when this widget becomes the selected pane in a
|
|
|
|
|
// `dijit.layout.TabContainer`, `dijit.layout.StackContainer`,
|
|
|
|
|
// `dijit.layout.AccordionContainer`, etc.
|
|
|
|
|
//
|
|
|
|
|
// Also called to indicate display of a `dijit.Dialog`, `dijit.TooltipDialog`, or `dijit.TitlePane`.
|
|
|
|
|
// tags:
|
|
|
|
|
// callback
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
onHide: function(){
|
|
|
|
|
// summary:
|
|
|
|
|
// Called when another widget becomes the selected pane in a
|
|
|
|
|
// `dijit.layout.TabContainer`, `dijit.layout.StackContainer`,
|
|
|
|
|
// `dijit.layout.AccordionContainer`, etc.
|
|
|
|
|
//
|
|
|
|
|
// Also called to indicate hide of a `dijit.Dialog`, `dijit.TooltipDialog`, or `dijit.TitlePane`.
|
|
|
|
|
// tags:
|
|
|
|
|
// callback
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
onClose: function(){
|
|
|
|
|
// summary:
|
|
|
|
|
// Called when this widget is being displayed as a popup (ex: a Calendar popped
|
|
|
|
|
// up from a DateTextBox), and it is hidden.
|
|
|
|
|
// This is called from the dijit.popup code, and should not be called directly.
|
|
|
|
|
//
|
|
|
|
|
// Also used as a parameter for children of `dijit.layout.StackContainer` or subclasses.
|
|
|
|
|
// Callback if a user tries to close the child. Child will be closed if this function returns true.
|
|
|
|
|
// tags:
|
|
|
|
|
// extension
|
|
|
|
|
|
|
|
|
|
return true; // Boolean
|
|
|
|
|
}
|
2010-11-15 08:39:52 +01:00
|
|
|
});
|
2011-11-08 17:40:44 +01:00
|
|
|
|
2010-11-15 08:39:52 +01:00
|
|
|
})();
|
2011-11-08 17:40:44 +01:00
|
|
|
|
2010-11-15 08:39:52 +01:00
|
|
|
}
|
