364 lines
11 KiB
JavaScript
364 lines
11 KiB
JavaScript
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define("dijit/_Widget", [
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"dojo/aspect", // aspect.around
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"dojo/_base/config", // config.isDebug
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"dojo/_base/connect", // connect.connect
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"dojo/_base/declare", // declare
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"dojo/has",
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"dojo/_base/kernel", // kernel.deprecated
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"dojo/_base/lang", // lang.hitch
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"dojo/query",
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"dojo/ready",
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"./registry", // registry.byNode
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"./_WidgetBase",
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"./_OnDijitClickMixin",
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"./_FocusMixin",
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"dojo/uacss", // browser sniffing (included for back-compat; subclasses may be using)
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"./hccss" // high contrast mode sniffing (included to set CSS classes on <body>, module ret value unused)
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], function(aspect, config, connect, declare, has, kernel, lang, query, ready,
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registry, _WidgetBase, _OnDijitClickMixin, _FocusMixin){
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// module:
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// dijit/_Widget
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function connectToDomNode(){
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// summary:
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// If user connects to a widget method === this function, then they will
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// instead actually be connecting the equivalent event on this.domNode
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}
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// Trap dojo.connect() calls to connectToDomNode methods, and redirect to _Widget.on()
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function aroundAdvice(originalConnect){
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return function(obj, event, scope, method){
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if(obj && typeof event == "string" && obj[event] == connectToDomNode){
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return obj.on(event.substring(2).toLowerCase(), lang.hitch(scope, method));
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}
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return originalConnect.apply(connect, arguments);
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};
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}
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aspect.around(connect, "connect", aroundAdvice);
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if(kernel.connect){
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aspect.around(kernel, "connect", aroundAdvice);
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}
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var _Widget = declare("dijit._Widget", [_WidgetBase, _OnDijitClickMixin, _FocusMixin], {
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// summary:
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// Old base class for widgets. New widgets should extend `dijit/_WidgetBase` instead
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// description:
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// Old Base class for Dijit widgets.
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//
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// Extends _WidgetBase, adding support for:
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//
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// - declaratively/programatically specifying widget initialization parameters like
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// onMouseMove="foo" that call foo when this.domNode gets a mousemove event
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// - ondijitclick:
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// Support new data-dojo-attach-event="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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//
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// - browser sniffing (putting browser class 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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onClick: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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: connectToDomNode,
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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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constructor: function(params /*===== ,srcNodeRef =====*/){
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// summary:
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// Create the widget.
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// params: Object|null
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// Hash of initialization parameters for widget, including scalar values (like title, duration etc.)
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// and functions, typically callbacks like onClick.
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// The hash can contain any of the widget's properties, excluding read-only properties.
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// srcNodeRef: DOMNode|String?
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// If a srcNodeRef (DOM node) is specified:
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//
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// - use srcNodeRef.innerHTML as my contents
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// - if this is a behavioral widget then apply behavior to that srcNodeRef
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// - otherwise, replace srcNodeRef with my generated DOM tree
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// extract parameters like onMouseMove that should connect directly to this.domNode
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this._toConnect = {};
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for(var name in params){
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if(this[name] === connectToDomNode){
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this._toConnect[name.replace(/^on/, "").toLowerCase()] = params[name];
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delete params[name];
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}
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}
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},
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postCreate: function(){
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this.inherited(arguments);
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// perform connection from this.domNode to user specified handlers (ex: onMouseMove)
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for(var name in this._toConnect){
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this.on(name, this._toConnect[name]);
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}
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delete this._toConnect;
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},
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on: function(/*String|Function*/ type, /*Function*/ func){
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if(this[this._onMap(type)] === connectToDomNode){
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// Use connect.connect() rather than on() to get handling for "onmouseenter" on non-IE,
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// normalization of onkeypress/onkeydown to behave like firefox, etc.
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// Also, need to specify context as "this" rather than the default context of the DOMNode
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// Remove in 2.0.
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return connect.connect(this.domNode, type.toLowerCase(), this, func);
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}
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return this.inherited(arguments);
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},
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_setFocusedAttr: function(val){
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// Remove this method in 2.0 (or sooner), just here to set _focused == focused, for back compat
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// (but since it's a private variable we aren't required to keep supporting it).
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this._focused = val;
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this._set("focused", val);
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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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kernel.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(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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kernel.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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getDescendants: function(){
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// summary:
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// Returns all the widgets contained by this, i.e., all widgets underneath this.containerNode.
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// This method should generally be avoided as it returns widgets declared in templates, which are
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// supposed to be internal/hidden, but it's left here for back-compat reasons.
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kernel.deprecated(this.declaredClass+"::getDescendants() is deprecated. Use getChildren() instead.", "", "2.0");
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return this.containerNode ? query('[widgetId]', this.containerNode).map(registry.byNode) : []; // dijit/_WidgetBase[]
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},
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////////////////// MISCELLANEOUS METHODS ///////////////////
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_onShow: function(){
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// summary:
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// Internal method called when this widget is made visible.
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// See `onShow` for details.
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this.onShow();
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},
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onShow: function(){
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// summary:
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// Called when this widget becomes the selected pane in a
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// `dijit/layout/TabContainer`, `dijit/layout/StackContainer`,
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// `dijit/layout/AccordionContainer`, etc.
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//
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// Also called to indicate display of a `dijit.Dialog`, `dijit.TooltipDialog`, or `dijit.TitlePane`.
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// tags:
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// callback
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},
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onHide: function(){
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// summary:
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// Called when another widget becomes the selected pane in a
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// `dijit/layout/TabContainer`, `dijit/layout/StackContainer`,
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// `dijit/layout/AccordionContainer`, etc.
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//
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// Also called to indicate hide of a `dijit.Dialog`, `dijit.TooltipDialog`, or `dijit.TitlePane`.
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// tags:
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// callback
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},
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onClose: function(){
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// summary:
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// Called when this widget is being displayed as a popup (ex: a Calendar popped
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// up from a DateTextBox), and it is hidden.
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// This is called from the dijit.popup code, and should not be called directly.
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//
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// Also used as a parameter for children of `dijit/layout/StackContainer` or subclasses.
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// Callback if a user tries to close the child. Child will be closed if this function returns true.
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// tags:
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// extension
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return true; // Boolean
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}
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});
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// For back-compat, remove in 2.0.
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if(has("dijit-legacy-requires")){
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ready(0, function(){
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var requires = ["dijit/_base"];
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require(requires); // use indirection so modules not rolled into a build
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});
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}
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return _Widget;
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});
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