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1232 lines
42 KiB
JavaScript
1232 lines
42 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.ComboBox"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit.form.ComboBox"] = true;
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dojo.provide("dijit.form.ComboBox");
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dojo.require("dojo.window");
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dojo.require("dojo.regexp");
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dojo.require("dojo.data.util.simpleFetch");
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dojo.require("dojo.data.util.filter");
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dojo.require("dijit._CssStateMixin");
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dojo.require("dijit.form._FormWidget");
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dojo.require("dijit.form.ValidationTextBox");
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dojo.require("dijit._HasDropDown");
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dojo.requireLocalization("dijit.form", "ComboBox", 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(
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"dijit.form.ComboBoxMixin",
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dijit._HasDropDown,
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{
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// summary:
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// Implements the base functionality for `dijit.form.ComboBox`/`dijit.form.FilteringSelect`
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// description:
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// All widgets that mix in dijit.form.ComboBoxMixin must extend `dijit.form._FormValueWidget`.
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// tags:
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// protected
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// item: Object
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// This is the item returned by the dojo.data.store implementation that
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// provides the data for this ComboBox, it's the currently selected item.
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item: null,
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// pageSize: Integer
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// Argument to data provider.
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// Specifies number of search results per page (before hitting "next" button)
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pageSize: Infinity,
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// store: [const] Object
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// Reference to data provider object used by this ComboBox
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store: null,
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// fetchProperties: Object
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// Mixin to the dojo.data store's fetch.
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// For example, to set the sort order of the ComboBox menu, pass:
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// | { sort: [{attribute:"name",descending: true}] }
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// To override the default queryOptions so that deep=false, do:
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// | { queryOptions: {ignoreCase: true, deep: false} }
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fetchProperties:{},
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// query: Object
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// A query that can be passed to 'store' to initially filter the items,
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// before doing further filtering based on `searchAttr` and the key.
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// Any reference to the `searchAttr` is ignored.
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query: {},
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// autoComplete: Boolean
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// If user types in a partial string, and then tab out of the `<input>` box,
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// automatically copy the first entry displayed in the drop down list to
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// the `<input>` field
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autoComplete: true,
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// highlightMatch: String
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// One of: "first", "all" or "none".
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//
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// If the ComboBox/FilteringSelect opens with the search results and the searched
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// string can be found, it will be highlighted. If set to "all"
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// then will probably want to change `queryExpr` parameter to '*${0}*'
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//
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// Highlighting is only performed when `labelType` is "text", so as to not
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// interfere with any HTML markup an HTML label might contain.
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highlightMatch: "first",
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// searchDelay: Integer
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// Delay in milliseconds between when user types something and we start
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// searching based on that value
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searchDelay: 100,
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// searchAttr: String
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// Search for items in the data store where this attribute (in the item)
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// matches what the user typed
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searchAttr: "name",
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// labelAttr: String?
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// The entries in the drop down list come from this attribute in the
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// dojo.data items.
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// If not specified, the searchAttr attribute is used instead.
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labelAttr: "",
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// labelType: String
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// Specifies how to interpret the labelAttr in the data store items.
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// Can be "html" or "text".
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labelType: "text",
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// queryExpr: String
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// This specifies what query ComboBox/FilteringSelect sends to the data store,
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// based on what the user has typed. Changing this expression will modify
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// whether the drop down shows only exact matches, a "starting with" match,
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// etc. Use it in conjunction with highlightMatch.
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// dojo.data query expression pattern.
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// `${0}` will be substituted for the user text.
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// `*` is used for wildcards.
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// `${0}*` means "starts with", `*${0}*` means "contains", `${0}` means "is"
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queryExpr: "${0}*",
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// ignoreCase: Boolean
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// Set true if the ComboBox/FilteringSelect should ignore case when matching possible items
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ignoreCase: true,
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// hasDownArrow: Boolean
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// Set this textbox to have a down arrow button, to display the drop down list.
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// Defaults to true.
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hasDownArrow: true,
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templateString: dojo.cache("dijit.form", "templates/DropDownBox.html", "<div class=\"dijit dijitReset dijitInlineTable dijitLeft\"\n\tid=\"widget_${id}\"\n\trole=\"combobox\"\n\t><div class='dijitReset dijitRight dijitButtonNode dijitArrowButton dijitDownArrowButton dijitArrowButtonContainer'\n\t\tdojoAttachPoint=\"_buttonNode, _popupStateNode\" role=\"presentation\"\n\t\t><input class=\"dijitReset dijitInputField dijitArrowButtonInner\" value=\"▼ \" type=\"text\" tabIndex=\"-1\" readonly=\"readonly\" role=\"presentation\"\n\t\t\t${_buttonInputDisabled}\n\t/></div\n\t><div class='dijitReset dijitValidationContainer'\n\t\t><input class=\"dijitReset dijitInputField dijitValidationIcon dijitValidationInner\" value=\"Χ \" type=\"text\" tabIndex=\"-1\" readonly=\"readonly\" role=\"presentation\"\n\t/></div\n\t><div class=\"dijitReset dijitInputField dijitInputContainer\"\n\t\t><input class='dijitReset dijitInputInner' ${!nameAttrSetting} type=\"text\" autocomplete=\"off\"\n\t\t\tdojoAttachPoint=\"textbox,focusNode\" role=\"textbox\" aria-haspopup=\"true\"\n\t/></div\n></div>\n"),
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baseClass: "dijitTextBox dijitComboBox",
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// dropDownClass: [protected extension] String
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// Name of the dropdown widget class used to select a date/time.
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// Subclasses should specify this.
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dropDownClass: "dijit.form._ComboBoxMenu",
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// Set classes like dijitDownArrowButtonHover depending on
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// mouse action over button node
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cssStateNodes: {
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"_buttonNode": "dijitDownArrowButton"
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},
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// Flags to _HasDropDown to limit height of drop down to make it fit in viewport
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maxHeight: -1,
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// For backwards compatibility let onClick events propagate, even clicks on the down arrow button
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_stopClickEvents: false,
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_getCaretPos: function(/*DomNode*/ element){
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// khtml 3.5.2 has selection* methods as does webkit nightlies from 2005-06-22
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var pos = 0;
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if(typeof(element.selectionStart) == "number"){
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// FIXME: this is totally borked on Moz < 1.3. Any recourse?
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pos = element.selectionStart;
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}else if(dojo.isIE){
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// in the case of a mouse click in a popup being handled,
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// then the dojo.doc.selection is not the textarea, but the popup
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// var r = dojo.doc.selection.createRange();
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// hack to get IE 6 to play nice. What a POS browser.
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var tr = dojo.doc.selection.createRange().duplicate();
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var ntr = element.createTextRange();
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tr.move("character",0);
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ntr.move("character",0);
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try{
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// If control doesn't have focus, you get an exception.
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// Seems to happen on reverse-tab, but can also happen on tab (seems to be a race condition - only happens sometimes).
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// There appears to be no workaround for this - googled for quite a while.
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ntr.setEndPoint("EndToEnd", tr);
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pos = String(ntr.text).replace(/\r/g,"").length;
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}catch(e){
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// If focus has shifted, 0 is fine for caret pos.
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}
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}
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return pos;
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},
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_setCaretPos: function(/*DomNode*/ element, /*Number*/ location){
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location = parseInt(location);
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dijit.selectInputText(element, location, location);
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},
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_setDisabledAttr: function(/*Boolean*/ value){
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// Additional code to set disabled state of ComboBox node.
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// Overrides _FormValueWidget._setDisabledAttr() or ValidationTextBox._setDisabledAttr().
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this.inherited(arguments);
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dijit.setWaiState(this.domNode, "disabled", value);
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},
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_abortQuery: function(){
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// stop in-progress query
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if(this.searchTimer){
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clearTimeout(this.searchTimer);
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this.searchTimer = null;
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}
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if(this._fetchHandle){
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if(this._fetchHandle.abort){ this._fetchHandle.abort(); }
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this._fetchHandle = null;
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}
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},
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_onInput: function(/*Event*/ evt){
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// summary:
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// Handles paste events
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if(!this.searchTimer && (evt.type == 'paste'/*IE|WebKit*/ || evt.type == 'input'/*Firefox*/) && this._lastInput != this.textbox.value){
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this.searchTimer = setTimeout(dojo.hitch(this, function(){
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this._onKey({charOrCode: 229}); // fake IME key to cause a search
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}), 100); // long delay that will probably be preempted by keyboard input
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}
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this.inherited(arguments);
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},
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_onKey: function(/*Event*/ evt){
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// summary:
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// Handles keyboard events
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var key = evt.charOrCode;
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// except for cutting/pasting case - ctrl + x/v
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if(evt.altKey || ((evt.ctrlKey || evt.metaKey) && (key != 'x' && key != 'v')) || key == dojo.keys.SHIFT){
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return; // throw out weird key combinations and spurious events
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}
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var doSearch = false;
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var pw = this.dropDown;
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var dk = dojo.keys;
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var highlighted = null;
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this._prev_key_backspace = false;
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this._abortQuery();
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// _HasDropDown will do some of the work:
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// 1. when drop down is not yet shown:
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// - if user presses the down arrow key, call loadDropDown()
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// 2. when drop down is already displayed:
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// - on ESC key, call closeDropDown()
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// - otherwise, call dropDown.handleKey() to process the keystroke
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this.inherited(arguments);
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if(this._opened){
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highlighted = pw.getHighlightedOption();
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}
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switch(key){
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case dk.PAGE_DOWN:
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case dk.DOWN_ARROW:
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case dk.PAGE_UP:
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case dk.UP_ARROW:
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// Keystroke caused ComboBox_menu to move to a different item.
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// Copy new item to <input> box.
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if(this._opened){
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this._announceOption(highlighted);
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}
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dojo.stopEvent(evt);
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break;
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case dk.ENTER:
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// prevent submitting form if user presses enter. Also
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// prevent accepting the value if either Next or Previous
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// are selected
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if(highlighted){
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// only stop event on prev/next
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if(highlighted == pw.nextButton){
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this._nextSearch(1);
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dojo.stopEvent(evt);
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break;
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}else if(highlighted == pw.previousButton){
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this._nextSearch(-1);
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dojo.stopEvent(evt);
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break;
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}
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}else{
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// Update 'value' (ex: KY) according to currently displayed text
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this._setBlurValue(); // set value if needed
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this._setCaretPos(this.focusNode, this.focusNode.value.length); // move cursor to end and cancel highlighting
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}
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// default case:
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// if enter pressed while drop down is open, or for FilteringSelect,
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// if we are in the middle of a query to convert a directly typed in value to an item,
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// prevent submit, but allow event to bubble
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if(this._opened || this._fetchHandle){
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evt.preventDefault();
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}
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// fall through
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case dk.TAB:
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var newvalue = this.get('displayedValue');
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// if the user had More Choices selected fall into the
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// _onBlur handler
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if(pw && (
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newvalue == pw._messages["previousMessage"] ||
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newvalue == pw._messages["nextMessage"])
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){
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break;
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}
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if(highlighted){
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this._selectOption();
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}
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if(this._opened){
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this._lastQuery = null; // in case results come back later
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this.closeDropDown();
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}
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break;
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case ' ':
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if(highlighted){
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// user is effectively clicking a choice in the drop down menu
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dojo.stopEvent(evt);
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this._selectOption();
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this.closeDropDown();
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}else{
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// user typed a space into the input box, treat as normal character
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doSearch = true;
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}
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break;
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case dk.DELETE:
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case dk.BACKSPACE:
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this._prev_key_backspace = true;
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doSearch = true;
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break;
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default:
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// Non char keys (F1-F12 etc..) shouldn't open list.
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// Ascii characters and IME input (Chinese, Japanese etc.) should.
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//IME input produces keycode == 229.
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doSearch = typeof key == 'string' || key == 229;
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}
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if(doSearch){
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// need to wait a tad before start search so that the event
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// bubbles through DOM and we have value visible
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this.item = undefined; // undefined means item needs to be set
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this.searchTimer = setTimeout(dojo.hitch(this, "_startSearchFromInput"),1);
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}
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},
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_autoCompleteText: function(/*String*/ text){
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// summary:
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// Fill in the textbox with the first item from the drop down
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// list, and highlight the characters that were
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// auto-completed. For example, if user typed "CA" and the
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// drop down list appeared, the textbox would be changed to
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// "California" and "ifornia" would be highlighted.
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var fn = this.focusNode;
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// IE7: clear selection so next highlight works all the time
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dijit.selectInputText(fn, fn.value.length);
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// does text autoComplete the value in the textbox?
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var caseFilter = this.ignoreCase? 'toLowerCase' : 'substr';
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if(text[caseFilter](0).indexOf(this.focusNode.value[caseFilter](0)) == 0){
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var cpos = this._getCaretPos(fn);
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// only try to extend if we added the last character at the end of the input
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if((cpos+1) > fn.value.length){
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// only add to input node as we would overwrite Capitalisation of chars
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// actually, that is ok
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fn.value = text;//.substr(cpos);
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// visually highlight the autocompleted characters
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dijit.selectInputText(fn, cpos);
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}
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}else{
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// text does not autoComplete; replace the whole value and highlight
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fn.value = text;
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dijit.selectInputText(fn);
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}
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},
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_openResultList: function(/*Object*/ results, /*Object*/ dataObject){
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// summary:
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// Callback when a search completes.
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// description:
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// 1. generates drop-down list and calls _showResultList() to display it
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// 2. if this result list is from user pressing "more choices"/"previous choices"
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// then tell screen reader to announce new option
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this._fetchHandle = null;
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if( this.disabled ||
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this.readOnly ||
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(dataObject.query[this.searchAttr] != this._lastQuery)
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){
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return;
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}
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var wasSelected = this.dropDown._highlighted_option && dojo.hasClass(this.dropDown._highlighted_option, "dijitMenuItemSelected");
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this.dropDown.clearResultList();
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if(!results.length && !this._maxOptions){ // if no results and not just the previous choices button
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this.closeDropDown();
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return;
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}
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// Fill in the textbox with the first item from the drop down list,
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// and highlight the characters that were auto-completed. For
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// example, if user typed "CA" and the drop down list appeared, the
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// textbox would be changed to "California" and "ifornia" would be
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// highlighted.
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dataObject._maxOptions = this._maxOptions;
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var nodes = this.dropDown.createOptions(
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results,
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dataObject,
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dojo.hitch(this, "_getMenuLabelFromItem")
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);
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// show our list (only if we have content, else nothing)
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this._showResultList();
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// #4091:
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// tell the screen reader that the paging callback finished by
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// shouting the next choice
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if(dataObject.direction){
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if(1 == dataObject.direction){
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this.dropDown.highlightFirstOption();
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}else if(-1 == dataObject.direction){
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this.dropDown.highlightLastOption();
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}
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if(wasSelected){
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this._announceOption(this.dropDown.getHighlightedOption());
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}
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}else if(this.autoComplete && !this._prev_key_backspace
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// when the user clicks the arrow button to show the full list,
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// startSearch looks for "*".
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// it does not make sense to autocomplete
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// if they are just previewing the options available.
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&& !/^[*]+$/.test(dataObject.query[this.searchAttr])){
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this._announceOption(nodes[1]); // 1st real item
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}
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},
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_showResultList: function(){
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// summary:
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// Display the drop down if not already displayed, or if it is displayed, then
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// reposition it if necessary (reposition may be necessary if drop down's height changed).
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this.closeDropDown(true);
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// hide the tooltip
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this.displayMessage("");
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this.openDropDown();
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dijit.setWaiState(this.domNode, "expanded", "true");
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},
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loadDropDown: function(/*Function*/ callback){
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// Overrides _HasDropDown.loadDropDown().
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// This is called when user has pressed button icon or pressed the down arrow key
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// to open the drop down.
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this._startSearchAll();
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},
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isLoaded: function(){
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// signal to _HasDropDown that it needs to call loadDropDown() to load the
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// drop down asynchronously before displaying it
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return false;
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},
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closeDropDown: function(){
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// Overrides _HasDropDown.closeDropDown(). Closes the drop down (assuming that it's open).
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// This method is the callback when the user types ESC or clicking
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// the button icon while the drop down is open. It's also called by other code.
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this._abortQuery();
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if(this._opened){
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this.inherited(arguments);
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dijit.setWaiState(this.domNode, "expanded", "false");
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dijit.removeWaiState(this.focusNode,"activedescendant");
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}
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},
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_setBlurValue: function(){
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// if the user clicks away from the textbox OR tabs away, set the
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// value to the textbox value
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// #4617:
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// if value is now more choices or previous choices, revert
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// the value
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var newvalue = this.get('displayedValue');
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var pw = this.dropDown;
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if(pw && (
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newvalue == pw._messages["previousMessage"] ||
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newvalue == pw._messages["nextMessage"]
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)
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){
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this._setValueAttr(this._lastValueReported, true);
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}else if(typeof this.item == "undefined"){
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// Update 'value' (ex: KY) according to currently displayed text
|
|
this.item = null;
|
|
this.set('displayedValue', newvalue);
|
|
}else{
|
|
if(this.value != this._lastValueReported){
|
|
dijit.form._FormValueWidget.prototype._setValueAttr.call(this, this.value, true);
|
|
}
|
|
this._refreshState();
|
|
}
|
|
},
|
|
|
|
_onBlur: function(){
|
|
// summary:
|
|
// Called magically when focus has shifted away from this widget and it's drop down
|
|
this.closeDropDown();
|
|
this.inherited(arguments);
|
|
},
|
|
|
|
_setItemAttr: function(/*item*/ item, /*Boolean?*/ priorityChange, /*String?*/ displayedValue){
|
|
// summary:
|
|
// Set the displayed valued in the input box, and the hidden value
|
|
// that gets submitted, based on a dojo.data store item.
|
|
// description:
|
|
// Users shouldn't call this function; they should be calling
|
|
// set('item', value)
|
|
// tags:
|
|
// private
|
|
if(!displayedValue){
|
|
displayedValue = this.store.getValue(item, this.searchAttr);
|
|
}
|
|
var value = this._getValueField() != this.searchAttr? this.store.getIdentity(item) : displayedValue;
|
|
this._set("item", item);
|
|
dijit.form.ComboBox.superclass._setValueAttr.call(this, value, priorityChange, displayedValue);
|
|
},
|
|
|
|
_announceOption: function(/*Node*/ node){
|
|
// summary:
|
|
// a11y code that puts the highlighted option in the textbox.
|
|
// This way screen readers will know what is happening in the
|
|
// menu.
|
|
|
|
if(!node){
|
|
return;
|
|
}
|
|
// pull the text value from the item attached to the DOM node
|
|
var newValue;
|
|
if(node == this.dropDown.nextButton ||
|
|
node == this.dropDown.previousButton){
|
|
newValue = node.innerHTML;
|
|
this.item = undefined;
|
|
this.value = '';
|
|
}else{
|
|
newValue = this.store.getValue(node.item, this.searchAttr).toString();
|
|
this.set('item', node.item, false, newValue);
|
|
}
|
|
// get the text that the user manually entered (cut off autocompleted text)
|
|
this.focusNode.value = this.focusNode.value.substring(0, this._lastInput.length);
|
|
// set up ARIA activedescendant
|
|
dijit.setWaiState(this.focusNode, "activedescendant", dojo.attr(node, "id"));
|
|
// autocomplete the rest of the option to announce change
|
|
this._autoCompleteText(newValue);
|
|
},
|
|
|
|
_selectOption: function(/*Event*/ evt){
|
|
// summary:
|
|
// Menu callback function, called when an item in the menu is selected.
|
|
if(evt){
|
|
this._announceOption(evt.target);
|
|
}
|
|
this.closeDropDown();
|
|
this._setCaretPos(this.focusNode, this.focusNode.value.length);
|
|
dijit.form._FormValueWidget.prototype._setValueAttr.call(this, this.value, true); // set this.value and fire onChange
|
|
},
|
|
|
|
_startSearchAll: function(){
|
|
this._startSearch('');
|
|
},
|
|
|
|
_startSearchFromInput: function(){
|
|
this._startSearch(this.focusNode.value.replace(/([\\\*\?])/g, "\\$1"));
|
|
},
|
|
|
|
_getQueryString: function(/*String*/ text){
|
|
return dojo.string.substitute(this.queryExpr, [text]);
|
|
},
|
|
|
|
_startSearch: function(/*String*/ key){
|
|
// summary:
|
|
// Starts a search for elements matching key (key=="" means to return all items),
|
|
// and calls _openResultList() when the search completes, to display the results.
|
|
if(!this.dropDown){
|
|
var popupId = this.id + "_popup",
|
|
dropDownConstructor = dojo.getObject(this.dropDownClass, false);
|
|
this.dropDown = new dropDownConstructor({
|
|
onChange: dojo.hitch(this, this._selectOption),
|
|
id: popupId,
|
|
dir: this.dir
|
|
});
|
|
dijit.removeWaiState(this.focusNode,"activedescendant");
|
|
dijit.setWaiState(this.textbox,"owns",popupId); // associate popup with textbox
|
|
}
|
|
// create a new query to prevent accidentally querying for a hidden
|
|
// value from FilteringSelect's keyField
|
|
var query = dojo.clone(this.query); // #5970
|
|
this._lastInput = key; // Store exactly what was entered by the user.
|
|
this._lastQuery = query[this.searchAttr] = this._getQueryString(key);
|
|
// #5970: set _lastQuery, *then* start the timeout
|
|
// otherwise, if the user types and the last query returns before the timeout,
|
|
// _lastQuery won't be set and their input gets rewritten
|
|
this.searchTimer=setTimeout(dojo.hitch(this, function(query, _this){
|
|
this.searchTimer = null;
|
|
var fetch = {
|
|
queryOptions: {
|
|
ignoreCase: this.ignoreCase,
|
|
deep: true
|
|
},
|
|
query: query,
|
|
onBegin: dojo.hitch(this, "_setMaxOptions"),
|
|
onComplete: dojo.hitch(this, "_openResultList"),
|
|
onError: function(errText){
|
|
_this._fetchHandle = null;
|
|
console.error('dijit.form.ComboBox: ' + errText);
|
|
_this.closeDropDown();
|
|
},
|
|
start: 0,
|
|
count: this.pageSize
|
|
};
|
|
dojo.mixin(fetch, _this.fetchProperties);
|
|
this._fetchHandle = _this.store.fetch(fetch);
|
|
|
|
var nextSearch = function(dataObject, direction){
|
|
dataObject.start += dataObject.count*direction;
|
|
// #4091:
|
|
// tell callback the direction of the paging so the screen
|
|
// reader knows which menu option to shout
|
|
dataObject.direction = direction;
|
|
this._fetchHandle = this.store.fetch(dataObject);
|
|
this.focus();
|
|
};
|
|
this._nextSearch = this.dropDown.onPage = dojo.hitch(this, nextSearch, this._fetchHandle);
|
|
}, query, this), this.searchDelay);
|
|
},
|
|
|
|
_setMaxOptions: function(size, request){
|
|
this._maxOptions = size;
|
|
},
|
|
|
|
_getValueField: function(){
|
|
// summary:
|
|
// Helper for postMixInProperties() to set this.value based on data inlined into the markup.
|
|
// Returns the attribute name in the item (in dijit.form._ComboBoxDataStore) to use as the value.
|
|
return this.searchAttr;
|
|
},
|
|
|
|
//////////// INITIALIZATION METHODS ///////////////////////////////////////
|
|
|
|
constructor: function(){
|
|
this.query={};
|
|
this.fetchProperties={};
|
|
},
|
|
|
|
postMixInProperties: function(){
|
|
if(!this.store){
|
|
var srcNodeRef = this.srcNodeRef;
|
|
|
|
// if user didn't specify store, then assume there are option tags
|
|
this.store = new dijit.form._ComboBoxDataStore(srcNodeRef);
|
|
|
|
// if there is no value set and there is an option list, set
|
|
// the value to the first value to be consistent with native
|
|
// Select
|
|
|
|
// Firefox and Safari set value
|
|
// IE6 and Opera set selectedIndex, which is automatically set
|
|
// by the selected attribute of an option tag
|
|
// IE6 does not set value, Opera sets value = selectedIndex
|
|
if(!("value" in this.params)){
|
|
var item = (this.item = this.store.fetchSelectedItem());
|
|
if(item){
|
|
var valueField = this._getValueField();
|
|
this.value = this.store.getValue(item, valueField);
|
|
}
|
|
}
|
|
}
|
|
|
|
this.inherited(arguments);
|
|
},
|
|
|
|
postCreate: function(){
|
|
// summary:
|
|
// Subclasses must call this method from their postCreate() methods
|
|
// tags:
|
|
// protected
|
|
|
|
// find any associated label element and add to ComboBox node.
|
|
var label=dojo.query('label[for="'+this.id+'"]');
|
|
if(label.length){
|
|
label[0].id = (this.id+"_label");
|
|
dijit.setWaiState(this.domNode, "labelledby", label[0].id);
|
|
|
|
}
|
|
this.inherited(arguments);
|
|
},
|
|
|
|
_setHasDownArrowAttr: function(val){
|
|
this.hasDownArrow = val;
|
|
this._buttonNode.style.display = val ? "" : "none";
|
|
},
|
|
|
|
_getMenuLabelFromItem: function(/*Item*/ item){
|
|
var label = this.labelFunc(item, this.store),
|
|
labelType = this.labelType;
|
|
// If labelType is not "text" we don't want to screw any markup ot whatever.
|
|
if(this.highlightMatch != "none" && this.labelType == "text" && this._lastInput){
|
|
label = this.doHighlight(label, this._escapeHtml(this._lastInput));
|
|
labelType = "html";
|
|
}
|
|
return {html: labelType == "html", label: label};
|
|
},
|
|
|
|
doHighlight: function(/*String*/ label, /*String*/ find){
|
|
// summary:
|
|
// Highlights the string entered by the user in the menu. By default this
|
|
// highlights the first occurrence found. Override this method
|
|
// to implement your custom highlighting.
|
|
// tags:
|
|
// protected
|
|
|
|
var
|
|
// Add (g)lobal modifier when this.highlightMatch == "all" and (i)gnorecase when this.ignoreCase == true
|
|
modifiers = (this.ignoreCase ? "i" : "") + (this.highlightMatch == "all" ? "g" : ""),
|
|
i = this.queryExpr.indexOf("${0}");
|
|
find = dojo.regexp.escapeString(find); // escape regexp special chars
|
|
return this._escapeHtml(label).replace(
|
|
// prepend ^ when this.queryExpr == "${0}*" and append $ when this.queryExpr == "*${0}"
|
|
new RegExp((i == 0 ? "^" : "") + "("+ find +")" + (i == (this.queryExpr.length - 4) ? "$" : ""), modifiers),
|
|
'<span class="dijitComboBoxHighlightMatch">$1</span>'
|
|
); // returns String, (almost) valid HTML (entities encoded)
|
|
},
|
|
|
|
_escapeHtml: function(/*String*/ str){
|
|
// TODO Should become dojo.html.entities(), when exists use instead
|
|
// summary:
|
|
// Adds escape sequences for special characters in XML: &<>"'
|
|
str = String(str).replace(/&/gm, "&").replace(/</gm, "<")
|
|
.replace(/>/gm, ">").replace(/"/gm, """);
|
|
return str; // string
|
|
},
|
|
|
|
reset: function(){
|
|
// Overrides the _FormWidget.reset().
|
|
// Additionally reset the .item (to clean up).
|
|
this.item = null;
|
|
this.inherited(arguments);
|
|
},
|
|
|
|
labelFunc: function(/*item*/ item, /*dojo.data.store*/ store){
|
|
// summary:
|
|
// Computes the label to display based on the dojo.data store item.
|
|
// returns:
|
|
// The label that the ComboBox should display
|
|
// tags:
|
|
// private
|
|
|
|
// Use toString() because XMLStore returns an XMLItem whereas this
|
|
// method is expected to return a String (#9354)
|
|
return store.getValue(item, this.labelAttr || this.searchAttr).toString(); // String
|
|
}
|
|
}
|
|
);
|
|
|
|
dojo.declare(
|
|
"dijit.form._ComboBoxMenu",
|
|
[dijit._Widget, dijit._Templated, dijit._CssStateMixin],
|
|
{
|
|
// summary:
|
|
// Focus-less menu for internal use in `dijit.form.ComboBox`
|
|
// tags:
|
|
// private
|
|
|
|
templateString: "<ul class='dijitReset dijitMenu' dojoAttachEvent='onmousedown:_onMouseDown,onmouseup:_onMouseUp,onmouseover:_onMouseOver,onmouseout:_onMouseOut' style='overflow: \"auto\"; overflow-x: \"hidden\";'>"
|
|
+"<li class='dijitMenuItem dijitMenuPreviousButton' dojoAttachPoint='previousButton' role='option'></li>"
|
|
+"<li class='dijitMenuItem dijitMenuNextButton' dojoAttachPoint='nextButton' role='option'></li>"
|
|
+"</ul>",
|
|
|
|
// _messages: Object
|
|
// Holds "next" and "previous" text for paging buttons on drop down
|
|
_messages: null,
|
|
|
|
baseClass: "dijitComboBoxMenu",
|
|
|
|
postMixInProperties: function(){
|
|
this.inherited(arguments);
|
|
this._messages = dojo.i18n.getLocalization("dijit.form", "ComboBox", this.lang);
|
|
},
|
|
|
|
buildRendering: function(){
|
|
this.inherited(arguments);
|
|
|
|
// fill in template with i18n messages
|
|
this.previousButton.innerHTML = this._messages["previousMessage"];
|
|
this.nextButton.innerHTML = this._messages["nextMessage"];
|
|
},
|
|
|
|
_setValueAttr: function(/*Object*/ value){
|
|
this.value = value;
|
|
this.onChange(value);
|
|
},
|
|
|
|
// stubs
|
|
onChange: function(/*Object*/ value){
|
|
// summary:
|
|
// Notifies ComboBox/FilteringSelect that user clicked an option in the drop down menu.
|
|
// Probably should be called onSelect.
|
|
// tags:
|
|
// callback
|
|
},
|
|
onPage: function(/*Number*/ direction){
|
|
// summary:
|
|
// Notifies ComboBox/FilteringSelect that user clicked to advance to next/previous page.
|
|
// tags:
|
|
// callback
|
|
},
|
|
|
|
onClose: function(){
|
|
// summary:
|
|
// Callback from dijit.popup code to this widget, notifying it that it closed
|
|
// tags:
|
|
// private
|
|
this._blurOptionNode();
|
|
},
|
|
|
|
_createOption: function(/*Object*/ item, labelFunc){
|
|
// summary:
|
|
// Creates an option to appear on the popup menu subclassed by
|
|
// `dijit.form.FilteringSelect`.
|
|
|
|
var menuitem = dojo.create("li", {
|
|
"class": "dijitReset dijitMenuItem" +(this.isLeftToRight() ? "" : " dijitMenuItemRtl"),
|
|
role: "option"
|
|
});
|
|
var labelObject = labelFunc(item);
|
|
if(labelObject.html){
|
|
menuitem.innerHTML = labelObject.label;
|
|
}else{
|
|
menuitem.appendChild(
|
|
dojo.doc.createTextNode(labelObject.label)
|
|
);
|
|
}
|
|
// #3250: in blank options, assign a normal height
|
|
if(menuitem.innerHTML == ""){
|
|
menuitem.innerHTML = " ";
|
|
}
|
|
menuitem.item=item;
|
|
return menuitem;
|
|
},
|
|
|
|
createOptions: function(results, dataObject, labelFunc){
|
|
// summary:
|
|
// Fills in the items in the drop down list
|
|
// results:
|
|
// Array of dojo.data items
|
|
// dataObject:
|
|
// dojo.data store
|
|
// labelFunc:
|
|
// Function to produce a label in the drop down list from a dojo.data item
|
|
|
|
//this._dataObject=dataObject;
|
|
//this._dataObject.onComplete=dojo.hitch(comboBox, comboBox._openResultList);
|
|
// display "Previous . . ." button
|
|
this.previousButton.style.display = (dataObject.start == 0) ? "none" : "";
|
|
dojo.attr(this.previousButton, "id", this.id + "_prev");
|
|
// create options using _createOption function defined by parent
|
|
// ComboBox (or FilteringSelect) class
|
|
// #2309:
|
|
// iterate over cache nondestructively
|
|
dojo.forEach(results, function(item, i){
|
|
var menuitem = this._createOption(item, labelFunc);
|
|
dojo.attr(menuitem, "id", this.id + i);
|
|
this.domNode.insertBefore(menuitem, this.nextButton);
|
|
}, this);
|
|
// display "Next . . ." button
|
|
var displayMore = false;
|
|
//Try to determine if we should show 'more'...
|
|
if(dataObject._maxOptions && dataObject._maxOptions != -1){
|
|
if((dataObject.start + dataObject.count) < dataObject._maxOptions){
|
|
displayMore = true;
|
|
}else if((dataObject.start + dataObject.count) > dataObject._maxOptions && dataObject.count == results.length){
|
|
//Weird return from a datastore, where a start + count > maxOptions
|
|
// implies maxOptions isn't really valid and we have to go into faking it.
|
|
//And more or less assume more if count == results.length
|
|
displayMore = true;
|
|
}
|
|
}else if(dataObject.count == results.length){
|
|
//Don't know the size, so we do the best we can based off count alone.
|
|
//So, if we have an exact match to count, assume more.
|
|
displayMore = true;
|
|
}
|
|
|
|
this.nextButton.style.display = displayMore ? "" : "none";
|
|
dojo.attr(this.nextButton,"id", this.id + "_next");
|
|
return this.domNode.childNodes;
|
|
},
|
|
|
|
clearResultList: function(){
|
|
// summary:
|
|
// Clears the entries in the drop down list, but of course keeps the previous and next buttons.
|
|
while(this.domNode.childNodes.length>2){
|
|
this.domNode.removeChild(this.domNode.childNodes[this.domNode.childNodes.length-2]);
|
|
}
|
|
this._blurOptionNode();
|
|
},
|
|
|
|
_onMouseDown: function(/*Event*/ evt){
|
|
dojo.stopEvent(evt);
|
|
},
|
|
|
|
_onMouseUp: function(/*Event*/ evt){
|
|
if(evt.target === this.domNode || !this._highlighted_option){
|
|
// !this._highlighted_option check to prevent immediate selection when menu appears on top
|
|
// of <input>, see #9898. Note that _HasDropDown also has code to prevent this.
|
|
return;
|
|
}else if(evt.target == this.previousButton){
|
|
this._blurOptionNode();
|
|
this.onPage(-1);
|
|
}else if(evt.target == this.nextButton){
|
|
this._blurOptionNode();
|
|
this.onPage(1);
|
|
}else{
|
|
var tgt = evt.target;
|
|
// while the clicked node is inside the div
|
|
while(!tgt.item){
|
|
// recurse to the top
|
|
tgt = tgt.parentNode;
|
|
}
|
|
this._setValueAttr({ target: tgt }, true);
|
|
}
|
|
},
|
|
|
|
_onMouseOver: function(/*Event*/ evt){
|
|
if(evt.target === this.domNode){ return; }
|
|
var tgt = evt.target;
|
|
if(!(tgt == this.previousButton || tgt == this.nextButton)){
|
|
// while the clicked node is inside the div
|
|
while(!tgt.item){
|
|
// recurse to the top
|
|
tgt = tgt.parentNode;
|
|
}
|
|
}
|
|
this._focusOptionNode(tgt);
|
|
},
|
|
|
|
_onMouseOut: function(/*Event*/ evt){
|
|
if(evt.target === this.domNode){ return; }
|
|
this._blurOptionNode();
|
|
},
|
|
|
|
_focusOptionNode: function(/*DomNode*/ node){
|
|
// summary:
|
|
// Does the actual highlight.
|
|
if(this._highlighted_option != node){
|
|
this._blurOptionNode();
|
|
this._highlighted_option = node;
|
|
dojo.addClass(this._highlighted_option, "dijitMenuItemSelected");
|
|
}
|
|
},
|
|
|
|
_blurOptionNode: function(){
|
|
// summary:
|
|
// Removes highlight on highlighted option.
|
|
if(this._highlighted_option){
|
|
dojo.removeClass(this._highlighted_option, "dijitMenuItemSelected");
|
|
this._highlighted_option = null;
|
|
}
|
|
},
|
|
|
|
_highlightNextOption: function(){
|
|
// summary:
|
|
// Highlight the item just below the current selection.
|
|
// If nothing selected, highlight first option.
|
|
|
|
// because each press of a button clears the menu,
|
|
// the highlighted option sometimes becomes detached from the menu!
|
|
// test to see if the option has a parent to see if this is the case.
|
|
if(!this.getHighlightedOption()){
|
|
var fc = this.domNode.firstChild;
|
|
this._focusOptionNode(fc.style.display == "none" ? fc.nextSibling : fc);
|
|
}else{
|
|
var ns = this._highlighted_option.nextSibling;
|
|
if(ns && ns.style.display != "none"){
|
|
this._focusOptionNode(ns);
|
|
}else{
|
|
this.highlightFirstOption();
|
|
}
|
|
}
|
|
// scrollIntoView is called outside of _focusOptionNode because in IE putting it inside causes the menu to scroll up on mouseover
|
|
dojo.window.scrollIntoView(this._highlighted_option);
|
|
},
|
|
|
|
highlightFirstOption: function(){
|
|
// summary:
|
|
// Highlight the first real item in the list (not Previous Choices).
|
|
var first = this.domNode.firstChild;
|
|
var second = first.nextSibling;
|
|
this._focusOptionNode(second.style.display == "none" ? first : second); // remotely possible that Previous Choices is the only thing in the list
|
|
dojo.window.scrollIntoView(this._highlighted_option);
|
|
},
|
|
|
|
highlightLastOption: function(){
|
|
// summary:
|
|
// Highlight the last real item in the list (not More Choices).
|
|
this._focusOptionNode(this.domNode.lastChild.previousSibling);
|
|
dojo.window.scrollIntoView(this._highlighted_option);
|
|
},
|
|
|
|
_highlightPrevOption: function(){
|
|
// summary:
|
|
// Highlight the item just above the current selection.
|
|
// If nothing selected, highlight last option (if
|
|
// you select Previous and try to keep scrolling up the list).
|
|
if(!this.getHighlightedOption()){
|
|
var lc = this.domNode.lastChild;
|
|
this._focusOptionNode(lc.style.display == "none" ? lc.previousSibling : lc);
|
|
}else{
|
|
var ps = this._highlighted_option.previousSibling;
|
|
if(ps && ps.style.display != "none"){
|
|
this._focusOptionNode(ps);
|
|
}else{
|
|
this.highlightLastOption();
|
|
}
|
|
}
|
|
dojo.window.scrollIntoView(this._highlighted_option);
|
|
},
|
|
|
|
_page: function(/*Boolean*/ up){
|
|
// summary:
|
|
// Handles page-up and page-down keypresses
|
|
|
|
var scrollamount = 0;
|
|
var oldscroll = this.domNode.scrollTop;
|
|
var height = dojo.style(this.domNode, "height");
|
|
// if no item is highlighted, highlight the first option
|
|
if(!this.getHighlightedOption()){
|
|
this._highlightNextOption();
|
|
}
|
|
while(scrollamount<height){
|
|
if(up){
|
|
// stop at option 1
|
|
if(!this.getHighlightedOption().previousSibling ||
|
|
this._highlighted_option.previousSibling.style.display == "none"){
|
|
break;
|
|
}
|
|
this._highlightPrevOption();
|
|
}else{
|
|
// stop at last option
|
|
if(!this.getHighlightedOption().nextSibling ||
|
|
this._highlighted_option.nextSibling.style.display == "none"){
|
|
break;
|
|
}
|
|
this._highlightNextOption();
|
|
}
|
|
// going backwards
|
|
var newscroll=this.domNode.scrollTop;
|
|
scrollamount+=(newscroll-oldscroll)*(up ? -1:1);
|
|
oldscroll=newscroll;
|
|
}
|
|
},
|
|
|
|
pageUp: function(){
|
|
// summary:
|
|
// Handles pageup keypress.
|
|
// TODO: just call _page directly from handleKey().
|
|
// tags:
|
|
// private
|
|
this._page(true);
|
|
},
|
|
|
|
pageDown: function(){
|
|
// summary:
|
|
// Handles pagedown keypress.
|
|
// TODO: just call _page directly from handleKey().
|
|
// tags:
|
|
// private
|
|
this._page(false);
|
|
},
|
|
|
|
getHighlightedOption: function(){
|
|
// summary:
|
|
// Returns the highlighted option.
|
|
var ho = this._highlighted_option;
|
|
return (ho && ho.parentNode) ? ho : null;
|
|
},
|
|
|
|
handleKey: function(evt){
|
|
// summary:
|
|
// Handle keystroke event forwarded from ComboBox, returning false if it's
|
|
// a keystroke I recognize and process, true otherwise.
|
|
switch(evt.charOrCode){
|
|
case dojo.keys.DOWN_ARROW:
|
|
this._highlightNextOption();
|
|
return false;
|
|
case dojo.keys.PAGE_DOWN:
|
|
this.pageDown();
|
|
return false;
|
|
case dojo.keys.UP_ARROW:
|
|
this._highlightPrevOption();
|
|
return false;
|
|
case dojo.keys.PAGE_UP:
|
|
this.pageUp();
|
|
return false;
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
);
|
|
|
|
dojo.declare(
|
|
"dijit.form.ComboBox",
|
|
[dijit.form.ValidationTextBox, dijit.form.ComboBoxMixin],
|
|
{
|
|
// summary:
|
|
// Auto-completing text box, and base class for dijit.form.FilteringSelect.
|
|
//
|
|
// description:
|
|
// The drop down box's values are populated from an class called
|
|
// a data provider, which returns a list of values based on the characters
|
|
// that the user has typed into the input box.
|
|
// If OPTION tags are used as the data provider via markup,
|
|
// then the OPTION tag's child text node is used as the widget value
|
|
// when selected. The OPTION tag's value attribute is ignored.
|
|
// To set the default value when using OPTION tags, specify the selected
|
|
// attribute on 1 of the child OPTION tags.
|
|
//
|
|
// Some of the options to the ComboBox are actually arguments to the data
|
|
// provider.
|
|
|
|
_setValueAttr: function(/*String*/ value, /*Boolean?*/ priorityChange, /*String?*/ displayedValue){
|
|
// summary:
|
|
// Hook so set('value', value) works.
|
|
// description:
|
|
// Sets the value of the select.
|
|
this._set("item", null); // value not looked up in store
|
|
if(!value){ value = ''; } // null translates to blank
|
|
dijit.form.ValidationTextBox.prototype._setValueAttr.call(this, value, priorityChange, displayedValue);
|
|
}
|
|
}
|
|
);
|
|
|
|
dojo.declare("dijit.form._ComboBoxDataStore", null, {
|
|
// summary:
|
|
// Inefficient but small data store specialized for inlined `dijit.form.ComboBox` data
|
|
//
|
|
// description:
|
|
// Provides a store for inlined data like:
|
|
//
|
|
// | <select>
|
|
// | <option value="AL">Alabama</option>
|
|
// | ...
|
|
//
|
|
// Actually. just implements the subset of dojo.data.Read/Notification
|
|
// needed for ComboBox and FilteringSelect to work.
|
|
//
|
|
// Note that an item is just a pointer to the <option> DomNode.
|
|
|
|
constructor: function( /*DomNode*/ root){
|
|
this.root = root;
|
|
if(root.tagName != "SELECT" && root.firstChild){
|
|
root = dojo.query("select", root);
|
|
if(root.length > 0){ // SELECT is a child of srcNodeRef
|
|
root = root[0];
|
|
}else{ // no select, so create 1 to parent the option tags to define selectedIndex
|
|
this.root.innerHTML = "<SELECT>"+this.root.innerHTML+"</SELECT>";
|
|
root = this.root.firstChild;
|
|
}
|
|
this.root = root;
|
|
}
|
|
dojo.query("> option", root).forEach(function(node){
|
|
// TODO: this was added in #3858 but unclear why/if it's needed; doesn't seem to be.
|
|
// If it is needed then can we just hide the select itself instead?
|
|
//node.style.display="none";
|
|
node.innerHTML = dojo.trim(node.innerHTML);
|
|
});
|
|
|
|
},
|
|
|
|
getValue: function( /*item*/ item,
|
|
/*attribute-name-string*/ attribute,
|
|
/*value?*/ defaultValue){
|
|
return (attribute == "value") ? item.value : (item.innerText || item.textContent || '');
|
|
},
|
|
|
|
isItemLoaded: function(/*anything*/ something){
|
|
return true;
|
|
},
|
|
|
|
getFeatures: function(){
|
|
return {"dojo.data.api.Read": true, "dojo.data.api.Identity": true};
|
|
},
|
|
|
|
_fetchItems: function( /*Object*/ args,
|
|
/*Function*/ findCallback,
|
|
/*Function*/ errorCallback){
|
|
// summary:
|
|
// See dojo.data.util.simpleFetch.fetch()
|
|
if(!args.query){ args.query = {}; }
|
|
if(!args.query.name){ args.query.name = ""; }
|
|
if(!args.queryOptions){ args.queryOptions = {}; }
|
|
var matcher = dojo.data.util.filter.patternToRegExp(args.query.name, args.queryOptions.ignoreCase),
|
|
items = dojo.query("> option", this.root).filter(function(option){
|
|
return (option.innerText || option.textContent || '').match(matcher);
|
|
} );
|
|
if(args.sort){
|
|
items.sort(dojo.data.util.sorter.createSortFunction(args.sort, this));
|
|
}
|
|
findCallback(items, args);
|
|
},
|
|
|
|
close: function(/*dojo.data.api.Request || args || null*/ request){
|
|
return;
|
|
},
|
|
|
|
getLabel: function(/*item*/ item){
|
|
return item.innerHTML;
|
|
},
|
|
|
|
getIdentity: function(/*item*/ item){
|
|
return dojo.attr(item, "value");
|
|
},
|
|
|
|
fetchItemByIdentity: function(/*Object*/ args){
|
|
// summary:
|
|
// Given the identity of an item, this method returns the item that has
|
|
// that identity through the onItem callback.
|
|
// Refer to dojo.data.api.Identity.fetchItemByIdentity() for more details.
|
|
//
|
|
// description:
|
|
// Given arguments like:
|
|
//
|
|
// | {identity: "CA", onItem: function(item){...}
|
|
//
|
|
// Call `onItem()` with the DOM node `<option value="CA">California</option>`
|
|
var item = dojo.query("> option[value='" + args.identity + "']", this.root)[0];
|
|
args.onItem(item);
|
|
},
|
|
|
|
fetchSelectedItem: function(){
|
|
// summary:
|
|
// Get the option marked as selected, like `<option selected>`.
|
|
// Not part of dojo.data API.
|
|
var root = this.root,
|
|
si = root.selectedIndex;
|
|
return typeof si == "number"
|
|
? dojo.query("> option:nth-child(" + (si != -1 ? si+1 : 1) + ")", root)[0]
|
|
: null; // dojo.data.Item
|
|
}
|
|
});
|
|
//Mix in the simple fetch implementation to this class.
|
|
dojo.extend(dijit.form._ComboBoxDataStore,dojo.data.util.simpleFetch);
|
|
|
|
}
|