305 lines
10 KiB
JavaScript
305 lines
10 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.form.Select"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit.form.Select"] = true;
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dojo.provide("dijit.form.Select");
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dojo.require("dijit.form._FormSelectWidget");
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dojo.require("dijit._HasDropDown");
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dojo.require("dijit.Menu");
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dojo.require("dijit.Tooltip");
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dojo.requireLocalization("dijit.form", "validate", 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.declare("dijit.form._SelectMenu", dijit.Menu, {
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// summary:
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// An internally-used menu for dropdown that allows us a vertical scrollbar
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buildRendering: function(){
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// summary:
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// Stub in our own changes, so that our domNode is not a table
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// otherwise, we won't respond correctly to heights/overflows
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this.inherited(arguments);
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var o = (this.menuTableNode = this.domNode);
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var n = (this.domNode = dojo.create("div", {style: {overflowX: "hidden", overflowY: "scroll"}}));
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if(o.parentNode){
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o.parentNode.replaceChild(n, o);
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}
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dojo.removeClass(o, "dijitMenuTable");
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n.className = o.className + " dijitSelectMenu";
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o.className = "dijitReset dijitMenuTable";
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dijit.setWaiRole(o,"listbox");
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dijit.setWaiRole(n,"presentation");
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n.appendChild(o);
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},
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postCreate: function(){
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// summary:
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// stop mousemove from selecting text on IE to be consistent with other browsers
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this.inherited(arguments);
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this.connect(this.domNode, "onmousemove", dojo.stopEvent);
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},
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resize: function(/*Object*/ mb){
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// summary:
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// Overridden so that we are able to handle resizing our
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// internal widget. Note that this is not a "full" resize
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// implementation - it only works correctly if you pass it a
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// marginBox.
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//
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// mb: Object
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// The margin box to set this dropdown to.
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if(mb){
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dojo.marginBox(this.domNode, mb);
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if("w" in mb){
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// We've explicitly set the wrapper <div>'s width, so set <table> width to match.
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// 100% is safer than a pixel value because there may be a scroll bar with
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// browser/OS specific width.
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this.menuTableNode.style.width = "100%";
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}
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}
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}
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});
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dojo.declare("dijit.form.Select", [dijit.form._FormSelectWidget, dijit._HasDropDown], {
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// summary:
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// This is a "styleable" select box - it is basically a DropDownButton which
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// can take a <select> as its input.
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baseClass: "dijitSelect",
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templateString: dojo.cache("dijit.form", "templates/Select.html", "<table class=\"dijit dijitReset dijitInline dijitLeft\"\n\tdojoAttachPoint=\"_buttonNode,tableNode,focusNode\" cellspacing='0' cellpadding='0'\n\trole=\"combobox\" aria-haspopup=\"true\"\n\t><tbody role=\"presentation\"><tr role=\"presentation\"\n\t\t><td class=\"dijitReset dijitStretch dijitButtonContents dijitButtonNode\" role=\"presentation\"\n\t\t\t><span class=\"dijitReset dijitInline dijitButtonText\" dojoAttachPoint=\"containerNode,_popupStateNode\"></span\n\t\t\t><input type=\"hidden\" ${!nameAttrSetting} dojoAttachPoint=\"valueNode\" value=\"${value}\" aria-hidden=\"true\"\n\t\t/></td><td class=\"dijitReset dijitRight dijitButtonNode dijitArrowButton dijitDownArrowButton\"\n\t\t\t\tdojoAttachPoint=\"titleNode\" role=\"presentation\"\n\t\t\t><div class=\"dijitReset dijitArrowButtonInner\" role=\"presentation\"></div\n\t\t\t><div class=\"dijitReset dijitArrowButtonChar\" role=\"presentation\">▼</div\n\t\t></td\n\t></tr></tbody\n></table>\n"),
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// attributeMap: Object
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// Add in our style to be applied to the focus node
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attributeMap: dojo.mixin(dojo.clone(dijit.form._FormSelectWidget.prototype.attributeMap),{style:"tableNode"}),
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// required: Boolean
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// Can be true or false, default is false.
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required: false,
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// state: String
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// Shows current state (ie, validation result) of input (Normal, Warning, or Error)
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state: "",
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// message: String
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// Currently displayed error/prompt message
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message: "",
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// tooltipPosition: String[]
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// See description of dijit.Tooltip.defaultPosition for details on this parameter.
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tooltipPosition: [],
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// emptyLabel: string
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// What to display in an "empty" dropdown
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emptyLabel: " ",
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// _isLoaded: Boolean
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// Whether or not we have been loaded
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_isLoaded: false,
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// _childrenLoaded: Boolean
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// Whether or not our children have been loaded
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_childrenLoaded: false,
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_fillContent: function(){
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// summary:
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// Set the value to be the first, or the selected index
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this.inherited(arguments);
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// set value from selected option
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if(this.options.length && !this.value && this.srcNodeRef){
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var si = this.srcNodeRef.selectedIndex || 0; // || 0 needed for when srcNodeRef is not a SELECT
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this.value = this.options[si >= 0 ? si : 0].value;
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}
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// Create the dropDown widget
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this.dropDown = new dijit.form._SelectMenu({id: this.id + "_menu"});
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dojo.addClass(this.dropDown.domNode, this.baseClass + "Menu");
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},
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_getMenuItemForOption: function(/*dijit.form.__SelectOption*/ option){
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// summary:
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// For the given option, return the menu item that should be
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// used to display it. This can be overridden as needed
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if(!option.value && !option.label){
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// We are a separator (no label set for it)
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return new dijit.MenuSeparator();
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}else{
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// Just a regular menu option
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var click = dojo.hitch(this, "_setValueAttr", option);
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var item = new dijit.MenuItem({
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option: option,
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label: option.label || this.emptyLabel,
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onClick: click,
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disabled: option.disabled || false
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});
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dijit.setWaiRole(item.focusNode, "listitem");
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return item;
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}
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},
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_addOptionItem: function(/*dijit.form.__SelectOption*/ option){
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// summary:
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// For the given option, add an option to our dropdown.
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// If the option doesn't have a value, then a separator is added
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// in that place.
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if(this.dropDown){
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this.dropDown.addChild(this._getMenuItemForOption(option));
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}
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},
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_getChildren: function(){
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if(!this.dropDown){
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return [];
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}
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return this.dropDown.getChildren();
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},
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_loadChildren: function(/*Boolean*/ loadMenuItems){
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// summary:
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// Resets the menu and the length attribute of the button - and
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// ensures that the label is appropriately set.
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// loadMenuItems: Boolean
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// actually loads the child menu items - we only do this when we are
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// populating for showing the dropdown.
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if(loadMenuItems === true){
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// this.inherited destroys this.dropDown's child widgets (MenuItems).
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// Avoid this.dropDown (Menu widget) having a pointer to a destroyed widget (which will cause
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// issues later in _setSelected). (see #10296)
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if(this.dropDown){
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delete this.dropDown.focusedChild;
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}
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if(this.options.length){
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this.inherited(arguments);
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}else{
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// Drop down menu is blank but add one blank entry just so something appears on the screen
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// to let users know that they are no choices (mimicing native select behavior)
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dojo.forEach(this._getChildren(), function(child){ child.destroyRecursive(); });
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var item = new dijit.MenuItem({label: " "});
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this.dropDown.addChild(item);
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}
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}else{
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this._updateSelection();
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}
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this._isLoaded = false;
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this._childrenLoaded = true;
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if(!this._loadingStore){
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// Don't call this if we are loading - since we will handle it later
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this._setValueAttr(this.value);
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}
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},
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_setValueAttr: function(value){
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this.inherited(arguments);
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dojo.attr(this.valueNode, "value", this.get("value"));
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},
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_setDisplay: function(/*String*/ newDisplay){
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// summary:
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// sets the display for the given value (or values)
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var lbl = newDisplay || this.emptyLabel;
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this.containerNode.innerHTML = '<span class="dijitReset dijitInline ' + this.baseClass + 'Label">' + lbl + '</span>';
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dijit.setWaiState(this.focusNode, "valuetext", lbl);
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},
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validate: function(/*Boolean*/ isFocused){
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// summary:
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// Called by oninit, onblur, and onkeypress.
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// description:
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// Show missing or invalid messages if appropriate, and highlight textbox field.
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// Used when a select is initially set to no value and the user is required to
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// set the value.
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var isValid = this.isValid(isFocused);
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this._set("state", isValid ? "" : "Error");
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dijit.setWaiState(this.focusNode, "invalid", isValid ? "false" : "true");
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var message = isValid ? "" : this._missingMsg;
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if(this.message !== message){
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this._set("message", message);
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dijit.hideTooltip(this.domNode);
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if(message){
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dijit.showTooltip(message, this.domNode, this.tooltipPosition, !this.isLeftToRight());
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}
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}
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return isValid;
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},
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isValid: function(/*Boolean*/ isFocused){
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// summary:
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// Whether or not this is a valid value. The only way a Select
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// can be invalid is when it's required but nothing is selected.
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return (!this.required || this.value === 0 || !(/^\s*$/.test(this.value || ""))); // handle value is null or undefined
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},
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reset: function(){
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// summary:
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// Overridden so that the state will be cleared.
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this.inherited(arguments);
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dijit.hideTooltip(this.domNode);
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this._set("state", "");
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this._set("message", "")
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},
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postMixInProperties: function(){
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// summary:
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// set the missing message
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this.inherited(arguments);
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this._missingMsg = dojo.i18n.getLocalization("dijit.form", "validate",
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this.lang).missingMessage;
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},
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postCreate: function(){
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// summary:
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// stop mousemove from selecting text on IE to be consistent with other browsers
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this.inherited(arguments);
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this.connect(this.domNode, "onmousemove", dojo.stopEvent);
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},
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_setStyleAttr: function(/*String||Object*/ value){
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this.inherited(arguments);
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dojo.toggleClass(this.domNode, this.baseClass + "FixedWidth", !!this.tableNode.style.width);
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},
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isLoaded: function(){
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return this._isLoaded;
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},
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loadDropDown: function(/*Function*/ loadCallback){
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// summary:
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// populates the menu
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this._loadChildren(true);
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this._isLoaded = true;
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loadCallback();
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},
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closeDropDown: function(){
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// overriding _HasDropDown.closeDropDown()
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this.inherited(arguments);
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if(this.dropDown && this.dropDown.menuTableNode){
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// Erase possible width: 100% setting from _SelectMenu.resize().
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// Leaving it would interfere with the next openDropDown() call, which
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// queries the natural size of the drop down.
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this.dropDown.menuTableNode.style.width = "";
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}
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},
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uninitialize: function(preserveDom){
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if(this.dropDown && !this.dropDown._destroyed){
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this.dropDown.destroyRecursive(preserveDom);
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delete this.dropDown;
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}
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this.inherited(arguments);
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}
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});
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}
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