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-define("dijit/form/FilteringSelect", [
- "dojo/data/util/filter", // filter.patternToRegExp
- "dojo/_base/declare", // declare
- "dojo/_base/lang", // lang.mixin
- "dojo/when",
- "./MappedTextBox",
- "./ComboBoxMixin"
-], function(filter, declare, lang, when, MappedTextBox, ComboBoxMixin){
-
- // module:
- // dijit/form/FilteringSelect
-
- return declare("dijit.form.FilteringSelect", [MappedTextBox, ComboBoxMixin], {
- // summary:
- // An enhanced version of the HTML SELECT tag, populated dynamically
- //
- // description:
- // An enhanced version of the HTML SELECT tag, populated dynamically. It works
- // very nicely with very large data sets because it can load and page data as needed.
- // It also resembles ComboBox, but does not allow values outside of the provided ones.
- // If OPTION tags are used as the data provider via markup, then the
- // OPTION tag's child text node is used as the displayed value when selected
- // while the OPTION tag's value attribute is used as the widget value on form submit.
- // To set the default value when using OPTION tags, specify the selected
- // attribute on 1 of the child OPTION tags.
- //
- // Similar features:
- //
- // - There is a drop down list of possible values.
- // - You can only enter a value from the drop down list. (You can't
- // enter an arbitrary value.)
- // - The value submitted with the form is the hidden value (ex: CA),
- // not the displayed value a.k.a. label (ex: California)
- //
- // Enhancements over plain HTML version:
- //
- // - If you type in some text then it will filter down the list of
- // possible values in the drop down list.
- // - List can be specified either as a static list or via a javascript
- // function (that can get the list from a server)
-
- // required: Boolean
- // True (default) if user is required to enter a value into this field.
- required: true,
-
- _lastDisplayedValue: "",
-
- _isValidSubset: function(){
- return this._opened;
- },
-
- isValid: function(){
- // Overrides ValidationTextBox.isValid()
- return !!this.item || (!this.required && this.get('displayedValue') == ""); // #5974
- },
-
- _refreshState: function(){
- if(!this.searchTimer){ // state will be refreshed after results are returned
- this.inherited(arguments);
- }
- },
-
- _callbackSetLabel: function(
- /*Array*/ result,
- /*Object*/ query,
- /*Object*/ options,
- /*Boolean?*/ priorityChange){
- // summary:
- // Callback from dojo.store after lookup of user entered value finishes
-
- // setValue does a synchronous lookup,
- // so it calls _callbackSetLabel directly,
- // and so does not pass dataObject
- // still need to test against _lastQuery in case it came too late
- if((query && query[this.searchAttr] !== this._lastQuery) || (!query && result.length && this.store.getIdentity(result[0]) != this._lastQuery)){
- return;
- }
- if(!result.length){
- //#3268: don't modify display value on bad input
- //#3285: change CSS to indicate error
- this.set("value", '', priorityChange || (priorityChange === undefined && !this.focused), this.textbox.value, null);
- }else{
- this.set('item', result[0], priorityChange);
- }
- },
-
- _openResultList: function(/*Object*/ results, /*Object*/ query, /*Object*/ options){
- // Callback when a data store query completes.
- // Overrides ComboBox._openResultList()
-
- // #3285: tap into search callback to see if user's query resembles a match
- if(query[this.searchAttr] !== this._lastQuery){
- return;
- }
- this.inherited(arguments);
-
- if(this.item === undefined){ // item == undefined for keyboard search
- // If the search returned no items that means that the user typed
- // in something invalid (and they can't make it valid by typing more characters),
- // so flag the FilteringSelect as being in an invalid state
- this.validate(true);
- }
- },
-
- _getValueAttr: function(){
- // summary:
- // Hook for get('value') to work.
-
- // don't get the textbox value but rather the previously set hidden value.
- // Use this.valueNode.value which isn't always set for other MappedTextBox widgets until blur
- return this.valueNode.value;
- },
-
- _getValueField: function(){
- // Overrides ComboBox._getValueField()
- return "value";
- },
-
- _setValueAttr: function(/*String*/ value, /*Boolean?*/ priorityChange, /*String?*/ displayedValue, /*item?*/ item){
- // summary:
- // Hook so set('value', value) works.
- // description:
- // Sets the value of the select.
- // Also sets the label to the corresponding value by reverse lookup.
- if(!this._onChangeActive){ priorityChange = null; }
-
- if(item === undefined){
- if(value === null || value === ''){
- value = '';
- if(!lang.isString(displayedValue)){
- this._setDisplayedValueAttr(displayedValue||'', priorityChange);
- return;
- }
- }
-
- var self = this;
- this._lastQuery = value;
- when(this.store.get(value), function(item){
- self._callbackSetLabel(item? [item] : [], undefined, undefined, priorityChange);
- });
- }else{
- this.valueNode.value = value;
- 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
- this.inherited(arguments);
- this._lastDisplayedValue = this.textbox.value;
- },
-
- _getDisplayQueryString: function(/*String*/ text){
- return text.replace(/([\\\*\?])/g, "\\$1");
- },
-
- _setDisplayedValueAttr: function(/*String*/ label, /*Boolean?*/ priorityChange){
- // summary:
- // Hook so set('displayedValue', label) works.
- // description:
- // Sets textbox to display label. Also performs reverse lookup
- // to set the hidden value. label should corresponding to item.searchAttr.
-
- if(label == null){ label = ''; }
-
- // This is called at initialization along with every custom setter.
- // Usually (or always?) the call can be ignored. If it needs to be
- // processed then at least make sure that the XHR request doesn't trigger an onChange()
- // event, even if it returns after creation has finished
- if(!this._created){
- if(!("displayedValue" in this.params)){
- return;
- }
- priorityChange = false;
- }
-
- // Do a reverse lookup to map the specified displayedValue to the hidden value.
- // Note that if there's a custom labelFunc() this code
- if(this.store){
- this.closeDropDown();
- var query = lang.clone(this.query); // #6196: populate query with user-specifics
-
- // Generate query
- var qs = this._getDisplayQueryString(label), q;
- if(this.store._oldAPI){
- // remove this branch for 2.0
- q = qs;
- }else{
- // Query on searchAttr is a regex for benefit of dojo/store/Memory,
- // but with a toString() method to help dojo/store/JsonRest.
- // Search string like "Co*" converted to regex like /^Co.*$/i.
- q = filter.patternToRegExp(qs, this.ignoreCase);
- q.toString = function(){ return qs; };
- }
- this._lastQuery = query[this.searchAttr] = q;
-
- // If the label is not valid, the callback will never set it,
- // so the last valid value will get the warning textbox. Set the
- // textbox value now so that the impending warning will make
- // sense to the user
- this.textbox.value = label;
- this._lastDisplayedValue = label;
- this._set("displayedValue", label); // for watch("displayedValue") notification
- var _this = this;
- var options = {
- ignoreCase: this.ignoreCase,
- deep: true
- };
- lang.mixin(options, this.fetchProperties);
- this._fetchHandle = this.store.query(query, options);
- when(this._fetchHandle, function(result){
- _this._fetchHandle = null;
- _this._callbackSetLabel(result || [], query, options, priorityChange);
- }, function(err){
- _this._fetchHandle = null;
- if(!_this._cancelingQuery){ // don't treat canceled query as an error
- console.error('dijit.form.FilteringSelect: ' + err.toString());
- }
- });
- }
- },
-
- undo: function(){
- this.set('displayedValue', this._lastDisplayedValue);
- }
- });
-});
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 09:40:49 +0000