/*! - * Ext JS Library 3.0.3 - * Copyright(c) 2006-2009 Ext JS, LLC - * licensing@extjs.com - * http://www.extjs.com/license + + + +The source code + + + + +/** + * @class Ext.form.ComboBox + * @extends Ext.form.TriggerField + *A combobox control with support for autocomplete, remote-loading, paging and many other features.
+ *A ComboBox works in a similar manner to a traditional HTML <select> field. The difference is + * that to submit the {@link #valueField}, you must specify a {@link #hiddenName} to create a hidden input + * field to hold the value of the valueField. The {@link #displayField} is shown in the text field + * which is named according to the {@link #name}.
+ *Events
+ *To do something when something in ComboBox is selected, configure the select event:
+ * + *+var cb = new Ext.form.ComboBox({ + // all of your config options + listeners:{ + scope: yourScope, + 'select': yourFunction + } +}); + +// Alternatively, you can assign events after the object is created: +var cb = new Ext.form.ComboBox(yourOptions); +cb.on('select', yourFunction, yourScope); + *ComboBox in Grid
+ *If using a ComboBox in an {@link Ext.grid.EditorGridPanel Editor Grid} a {@link Ext.grid.Column#renderer renderer} + * will be needed to show the displayField when the editor is not active. Set up the renderer manually, or implement + * a reusable render, for example:
+ * + *+// create reusable renderer +Ext.util.Format.comboRenderer = function(combo){ + return function(value){ + var record = combo.findRecord(combo.{@link #valueField}, value); + return record ? record.get(combo.{@link #displayField}) : combo.{@link #valueNotFoundText}; + } +} + +// create the combo instance +var combo = new Ext.form.ComboBox({ + {@link #typeAhead}: true, + {@link #triggerAction}: 'all', + {@link #lazyRender}:true, + {@link #mode}: 'local', + {@link #store}: new Ext.data.ArrayStore({ + id: 0, + fields: [ + 'myId', + 'displayText' + ], + data: [[1, 'item1'], [2, 'item2']] + }), + {@link #valueField}: 'myId', + {@link #displayField}: 'displayText' +}); + +// snippet of column model used within grid +var cm = new Ext.grid.ColumnModel([{ + ... + },{ + header: "Some Header", + dataIndex: 'whatever', + width: 130, + editor: combo, // specify reference to combo instance + renderer: Ext.util.Format.comboRenderer(combo) // pass combo instance to reusable renderer + }, + ... +]); + *Filtering
+ *A ComboBox {@link #doQuery uses filtering itself}, for information about filtering the ComboBox + * store manually see {@link #lastQuery}.
+ * @constructor + * Create a new ComboBox. + * @param {Object} config Configuration options + * @xtype combo */ -/** - * @class Ext.form.ComboBox - * @extends Ext.form.TriggerField - *A combobox control with support for autocomplete, remote-loading, paging and many other features.
- *A ComboBox works in a similar manner to a traditional HTML <select> field. The difference is - * that to submit the {@link #valueField}, you must specify a {@link #hiddenName} to create a hidden input - * field to hold the value of the valueField. The {@link #displayField} is shown in the text field - * which is named according to the {@link #name}.
- *Events
- *To do something when something in ComboBox is selected, configure the select event:
- * - *-var cb = new Ext.form.ComboBox({ - // all of your config options - listeners:{ - scope: yourScope, - 'select': yourFunction - } -}); - -// Alternatively, you can assign events after the object is created: -var cb = new Ext.form.ComboBox(yourOptions); -cb.on('select', yourFunction, yourScope); - *ComboBox in Grid
- *If using a ComboBox in an {@link Ext.grid.EditorGridPanel Editor Grid} a {@link Ext.grid.Column#renderer renderer} - * will be needed to show the displayField when the editor is not active. Set up the renderer manually, or implement - * a reusable render, for example:
- * - *-// create reusable renderer -Ext.util.Format.comboRenderer = function(combo){ - return function(value){ - var record = combo.findRecord(combo.{@link #valueField}, value); - return record ? record.get(combo.{@link #displayField}) : combo.{@link #valueNotFoundText}; - } -} - -// create the combo instance -var combo = new Ext.form.ComboBox({ - {@link #typeAhead}: true, - {@link #triggerAction}: 'all', - {@link #lazyRender}:true, - {@link #mode}: 'local', - {@link #store}: new Ext.data.ArrayStore({ - id: 0, - fields: [ - 'myId', - 'displayText' - ], - data: [[1, 'item1'], [2, 'item2']] - }), - {@link #valueField}: 'myId', - {@link #displayField}: 'displayText' -}); - -// snippet of column model used within grid -var cm = new Ext.grid.ColumnModel([{ - ... - },{ - header: "Some Header", - dataIndex: 'whatever', - width: 130, - editor: combo, // specify reference to combo instance - renderer: Ext.util.Format.comboRenderer(combo) // pass combo instance to reusable renderer - }, - ... -]); - *Filtering
- *A ComboBox {@link #doQuery uses filtering itself}, for information about filtering the ComboBox - * store manually see {@link #lastQuery}.
- * @constructor - * Create a new ComboBox. - * @param {Object} config Configuration options - * @xtype combo - */ -Ext.form.ComboBox = Ext.extend(Ext.form.TriggerField, { - /** - * @cfg {Mixed} transform The id, DOM node or element of an existing HTML SELECT to convert to a ComboBox. - * Note that if you specify this and the combo is going to be in an {@link Ext.form.BasicForm} or - * {@link Ext.form.FormPanel}, you must also set {@link #lazyRender} = true. - */ - /** - * @cfg {Boolean} lazyRender true to prevent the ComboBox from rendering until requested - * (should always be used when rendering into an {@link Ext.Editor} (e.g. {@link Ext.grid.EditorGridPanel Grids}), - * defaults to false). - */ - /** - * @cfg {String/Object} autoCreateA {@link Ext.DomHelper DomHelper} element spec, or true for a default - * element spec. Used to create the {@link Ext.Component#getEl Element} which will encapsulate this Component. - * See {@link Ext.Component#autoEl autoEl} for details. Defaults to:
- *- */ - /** - * @cfg {Ext.data.Store/Array} store The data source to which this combo is bound (defaults to undefined). - * Acceptable values for this property are: - *{tag: "input", type: "text", size: "24", autocomplete: "off"}- *- *
- any {@link Ext.data.Store Store} subclass
- *- an Array : Arrays will be converted to a {@link Ext.data.ArrayStore} internally, - * automatically generating {@link Ext.data.Field#name field names} to work with all data components. - *
- *
- 1-dimensional array : (e.g., ['Foo','Bar'])
- *- * A 1-dimensional array will automatically be expanded (each array item will be used for both the combo - * {@link #valueField} and {@link #displayField})- 2-dimensional array : (e.g., [['f','Foo'],['b','Bar']])
- * For a multi-dimensional array, the value in index 0 of each item will be assumed to be the combo - * {@link #valueField}, while the value at index 1 is assumed to be the combo {@link #displayField}. - *See also {@link #mode}.
- */ - /** - * @cfg {String} title If supplied, a header element is created containing this text and added into the top of - * the dropdown list (defaults to undefined, with no header element) - */ - - // private - defaultAutoCreate : {tag: "input", type: "text", size: "24", autocomplete: "off"}, - /** - * @cfg {Number} listWidth The width (used as a parameter to {@link Ext.Element#setWidth}) of the dropdown - * list (defaults to the width of the ComboBox field). See also {@link #minListWidth} - */ - /** - * @cfg {String} displayField The underlying {@link Ext.data.Field#name data field name} to bind to this - * ComboBox (defaults to undefined if {@link #mode} = 'remote' or 'field1' if - * {@link #transform transforming a select} or if the {@link #store field name is autogenerated based on - * the store configuration}). - *See also {@link #valueField}.
- *Note: if using a ComboBox in an {@link Ext.grid.EditorGridPanel Editor Grid} a - * {@link Ext.grid.Column#renderer renderer} will be needed to show the displayField when the editor is not - * active.
- */ - /** - * @cfg {String} valueField The underlying {@link Ext.data.Field#name data value name} to bind to this - * ComboBox (defaults to undefined if {@link #mode} = 'remote' or 'field2' if - * {@link #transform transforming a select} or if the {@link #store field name is autogenerated based on - * the store configuration}). - *Note: use of a valueField requires the user to make a selection in order for a value to be - * mapped. See also {@link #hiddenName}, {@link #hiddenValue}, and {@link #displayField}.
- */ - /** - * @cfg {String} hiddenName If specified, a hidden form field with this name is dynamically generated to store the - * field's data value (defaults to the underlying DOM element's name). Required for the combo's value to automatically - * post during a form submission. See also {@link #valueField}. - *Note: the hidden field's id will also default to this name if {@link #hiddenId} is not specified. - * The ComboBox {@link Ext.Component#id id} and the {@link #hiddenId} should be different, since - * no two DOM nodes should share the same id. So, if the ComboBox {@link Ext.form.Field#name name} and - * hiddenName are the same, you should specify a unique {@link #hiddenId}.
- */ - /** - * @cfg {String} hiddenId If {@link #hiddenName} is specified, hiddenId can also be provided - * to give the hidden field a unique id (defaults to the {@link #hiddenName}). The hiddenId - * and combo {@link Ext.Component#id id} should be different, since no two DOM - * nodes should share the same id. - */ - /** - * @cfg {String} hiddenValue Sets the initial value of the hidden field if {@link #hiddenName} is - * specified to contain the selected {@link #valueField}, from the Store. Defaults to the configured - * {@link Ext.form.Field#value value}. - */ - /** - * @cfg {String} listClass The CSS class to add to the predefined 'x-combo-list' class - * applied the dropdown list element (defaults to ''). - */ - listClass : '', - /** - * @cfg {String} selectedClass CSS class to apply to the selected item in the dropdown list - * (defaults to 'x-combo-selected') - */ - selectedClass : 'x-combo-selected', - /** - * @cfg {String} listEmptyText The empty text to display in the data view if no items are found. - * (defaults to '') - */ - listEmptyText: '', - /** - * @cfg {String} triggerClass An additional CSS class used to style the trigger button. The trigger will always - * get the class 'x-form-trigger' and triggerClass will be appended if specified - * (defaults to 'x-form-arrow-trigger' which displays a downward arrow icon). - */ - triggerClass : 'x-form-arrow-trigger', - /** - * @cfg {Boolean/String} shadow true or "sides" for the default effect, "frame" for - * 4-way shadow, and "drop" for bottom-right - */ - shadow : 'sides', - /** - * @cfg {String} listAlign A valid anchor position value. See {@link Ext.Element#alignTo} for details - * on supported anchor positions (defaults to 'tl-bl?') - */ - listAlign : 'tl-bl?', - /** - * @cfg {Number} maxHeight The maximum height in pixels of the dropdown list before scrollbars are shown - * (defaults to 300) - */ - maxHeight : 300, - /** - * @cfg {Number} minHeight The minimum height in pixels of the dropdown list when the list is constrained by its - * distance to the viewport edges (defaults to 90) - */ - minHeight : 90, - /** - * @cfg {String} triggerAction The action to execute when the trigger is clicked. - *- *- *
- 'query' : Default - *
- *{@link #doQuery run the query} using the {@link Ext.form.Field#getRawValue raw value}.
- 'all' : - *
- *{@link #doQuery run the query} specified by the {@link #allQuery} config option
See also
- */ - triggerAction : 'query', - /** - * @cfg {Number} minChars The minimum number of characters the user must type before autocomplete and - * {@link #typeAhead} activate (defaults to 4 if {@link #mode} = 'remote' or 0 if - * {@link #mode} = 'local', does not apply if - * {@link Ext.form.TriggerField#editable editable} = false). - */ - minChars : 4, - /** - * @cfg {Boolean} typeAhead true to populate and autoselect the remainder of the text being - * typed after a configurable delay ({@link #typeAheadDelay}) if it matches a known value (defaults - * to false) - */ - typeAhead : false, - /** - * @cfg {Number} queryDelay The length of time in milliseconds to delay between the start of typing and - * sending the query to filter the dropdown list (defaults to 500 if {@link #mode} = 'remote' - * or 10 if {@link #mode} = 'local') - */ - queryDelay : 500, - /** - * @cfg {Number} pageSize If greater than 0, a {@link Ext.PagingToolbar} is displayed in the - * footer of the dropdown list and the {@link #doQuery filter queries} will execute with page start and - * {@link Ext.PagingToolbar#pageSize limit} parameters. Only applies when {@link #mode} = 'remote' - * (defaults to 0). - */ - pageSize : 0, - /** - * @cfg {Boolean} selectOnFocus true to select any existing text in the field immediately on focus. - * Only applies when {@link Ext.form.TriggerField#editable editable} = true (defaults to - * false). - */ - selectOnFocus : false, - /** - * @cfg {String} queryParam Name of the query ({@link Ext.data.Store#baseParam baseParam} name for the store) - * as it will be passed on the querystring (defaults to 'query') - */ - queryParam : 'query', - /** - * @cfg {String} loadingText The text to display in the dropdown list while data is loading. Only applies - * when {@link #mode} = 'remote' (defaults to 'Loading...') - */ - loadingText : 'Loading...', - /** - * @cfg {Boolean} resizable true to add a resize handle to the bottom of the dropdown list - * (creates an {@link Ext.Resizable} with 'se' {@link Ext.Resizable#pinned pinned} handles). - * Defaults to false. - */ - resizable : false, - /** - * @cfg {Number} handleHeight The height in pixels of the dropdown list resize handle if - * {@link #resizable} = true (defaults to 8) - */ - handleHeight : 8, - /** - * @cfg {String} allQuery The text query to send to the server to return all records for the list - * with no filtering (defaults to '') - */ - allQuery: '', - /** - * @cfg {String} mode Acceptable values are: - *{@link #queryParam}.- */ - mode: 'remote', - /** - * @cfg {Number} minListWidth The minimum width of the dropdown list in pixels (defaults to 70, will - * be ignored if {@link #listWidth} has a higher value) - */ - minListWidth : 70, - /** - * @cfg {Boolean} forceSelection true to restrict the selected value to one of the values in the list, - * false to allow the user to set arbitrary text into the field (defaults to false) - */ - forceSelection : false, - /** - * @cfg {Number} typeAheadDelay The length of time in milliseconds to wait until the typeahead text is displayed - * if {@link #typeAhead} = true (defaults to 250) - */ - typeAheadDelay : 250, - /** - * @cfg {String} valueNotFoundText When using a name/value combo, if the value passed to setValue is not found in - * the store, valueNotFoundText will be displayed as the field text if defined (defaults to undefined). If this - * default text is used, it means there is no value set and no validation will occur on this field. - */ - - /** - * @cfg {Boolean} lazyInit true to not initialize the list for this combo until the field is focused - * (defaults to true) - */ - lazyInit : true, - - /** - * The value of the match string used to filter the store. Delete this property to force a requery. - * Example use: - *- *
- 'remote' : Default - *
- *Automatically loads the {@link #store} the first time the trigger - * is clicked. If you do not want the store to be automatically loaded the first time the trigger is - * clicked, set to 'local' and manually load the store. To force a requery of the store - * every time the trigger is clicked see {@link #lastQuery}.
- 'local' : - *
- *ComboBox loads local data
- *-var combo = new Ext.form.ComboBox({ - renderTo: document.body, - mode: 'local', - store: new Ext.data.ArrayStore({ - id: 0, - fields: [ - 'myId', // numeric value is the key - 'displayText' - ], - data: [[1, 'item1'], [2, 'item2']] // data is local - }), - valueField: 'myId', - displayField: 'displayText', - triggerAction: 'all' -}); - *- * To make sure the filter in the store is not cleared the first time the ComboBox trigger is used - * configure the combo with lastQuery=''. Example use: - *-var combo = new Ext.form.ComboBox({ - ... - mode: 'remote', - ... - listeners: { - // delete the previous query in the beforequery event or set - // combo.lastQuery = null (this will reload the store the next time it expands) - beforequery: function(qe){ - delete qe.combo.lastQuery; - } - } -}); - *- * @property lastQuery - * @type String - */ - - // private - initComponent : function(){ - Ext.form.ComboBox.superclass.initComponent.call(this); - this.addEvents( - /** - * @event expand - * Fires when the dropdown list is expanded - * @param {Ext.form.ComboBox} combo This combo box - */ - 'expand', - /** - * @event collapse - * Fires when the dropdown list is collapsed - * @param {Ext.form.ComboBox} combo This combo box - */ - 'collapse', - /** - * @event beforeselect - * Fires before a list item is selected. Return false to cancel the selection. - * @param {Ext.form.ComboBox} combo This combo box - * @param {Ext.data.Record} record The data record returned from the underlying store - * @param {Number} index The index of the selected item in the dropdown list - */ - 'beforeselect', - /** - * @event select - * Fires when a list item is selected - * @param {Ext.form.ComboBox} combo This combo box - * @param {Ext.data.Record} record The data record returned from the underlying store - * @param {Number} index The index of the selected item in the dropdown list - */ - 'select', - /** - * @event beforequery - * Fires before all queries are processed. Return false to cancel the query or set the queryEvent's - * cancel property to true. - * @param {Object} queryEvent An object that has these properties:-var combo = new Ext.form.ComboBox({ - ... - mode: 'local', - triggerAction: 'all', - lastQuery: '' -}); - *
combo : Ext.form.ComboBox query : String forceAll : Boolean cancel : Boolean The template string, or {@link Ext.XTemplate} instance to - * use to display each item in the dropdown list. The dropdown list is displayed in a - * DataView. See {@link #view}.
- *The default template string is:
- '<tpl for="."><div class="x-combo-list-item">{' + this.displayField + '}</div></tpl>'
- * Override the default value to create custom UI layouts for items in the list. - * For example:
- '<tpl for="."><div ext:qtip="{state}. {nick}" class="x-combo-list-item">{state}</div></tpl>'
- * The template must contain one or more substitution parameters using field - * names from the Combo's {@link #store Store}. In the example above an - *
ext:qtipattribute is added to display other fields from the Store. - *
To preserve the default visual look of list items, add the CSS class name - *
x-combo-list-itemto the template's container element. - *
Also see {@link #itemSelector} for additional details.
- */ - this.tpl = 'A simple CSS selector (e.g. div.some-class or span:first-child) that will be - * used to determine what nodes the {@link #view Ext.DataView} which handles the dropdown - * display will be working with.
- *Note: this setting is required if a custom XTemplate has been - * specified in {@link #tpl} which assigns a class other than
'x-combo-list-item'- * to dropdown list items - */ - } - - /** - * The {@link Ext.DataView DataView} used to display the ComboBox's options. - * @type Ext.DataView - */ - this.view = new Ext.DataView({ - applyTo: this.innerList, - tpl: this.tpl, - singleSelect: true, - selectedClass: this.selectedClass, - itemSelector: this.itemSelector || '.' + cls + '-item', - emptyText: this.listEmptyText - }); - - this.mon(this.view, 'click', this.onViewClick, this); - - this.bindStore(this.store, true); - - if(this.resizable){ - this.resizer = new Ext.Resizable(this.list, { - pinned:true, handles:'se' - }); - this.mon(this.resizer, 'resize', function(r, w, h){ - this.maxHeight = h-this.handleHeight-this.list.getFrameWidth('tb')-this.assetHeight; - this.listWidth = w; - this.innerList.setWidth(w - this.list.getFrameWidth('lr')); - this.restrictHeight(); - }, this); - - this[this.pageSize?'footer':'innerList'].setStyle('margin-bottom', this.handleHeight+'px'); - } - } - }, - - /** - *
Returns the element used to house this ComboBox's pop-up list. Defaults to the document body.
- * A custom implementation may be provided as a configuration option if the floating list needs to be rendered - * to a different Element. An example might be rendering the list inside a Menu so that clicking - * the list does not hide the Menu:
-var store = new Ext.data.ArrayStore({
- autoDestroy: true,
- fields: ['initials', 'fullname'],
- data : [
- ['FF', 'Fred Flintstone'],
- ['BR', 'Barney Rubble']
- ]
-});
-
-var combo = new Ext.form.ComboBox({
- store: store,
- displayField: 'fullname',
- emptyText: 'Select a name...',
- forceSelection: true,
- getListParent: function() {
- return this.el.up('.x-menu');
- },
- iconCls: 'no-icon', //use iconCls if placing within menu to shift to right side of menu
- mode: 'local',
- selectOnFocus: true,
- triggerAction: 'all',
- typeAhead: true,
- width: 135
-});
-
-var menu = new Ext.menu.Menu({
- id: 'mainMenu',
- items: [
- combo // A Field in a Menu
- ]
-});
-A {@link Ext.DomHelper DomHelper} element spec, or true for a default + * element spec. Used to create the {@link Ext.Component#getEl Element} which will encapsulate this Component. + * See {@link Ext.Component#autoEl autoEl} for details. Defaults to:
+ *{tag: "input", type: "text", size: "24", autocomplete: "off"}See also {@link #mode}.
+ */ + /** + * @cfg {String} title If supplied, a header element is created containing this text and added into the top of + * the dropdown list (defaults to undefined, with no header element) + */ + + // private + defaultAutoCreate : {tag: "input", type: "text", size: "24", autocomplete: "off"}, + /** + * @cfg {Number} listWidth The width (used as a parameter to {@link Ext.Element#setWidth}) of the dropdown + * list (defaults to the width of the ComboBox field). See also {@link #minListWidth} + */ + /** + * @cfg {String} displayField The underlying {@link Ext.data.Field#name data field name} to bind to this + * ComboBox (defaults to undefined if {@link #mode} = 'remote' or 'field1' if + * {@link #transform transforming a select} or if the {@link #store field name is autogenerated based on + * the store configuration}). + *See also {@link #valueField}.
+ *Note: if using a ComboBox in an {@link Ext.grid.EditorGridPanel Editor Grid} a + * {@link Ext.grid.Column#renderer renderer} will be needed to show the displayField when the editor is not + * active.
+ */ + /** + * @cfg {String} valueField The underlying {@link Ext.data.Field#name data value name} to bind to this + * ComboBox (defaults to undefined if {@link #mode} = 'remote' or 'field2' if + * {@link #transform transforming a select} or if the {@link #store field name is autogenerated based on + * the store configuration}). + *Note: use of a valueField requires the user to make a selection in order for a value to be + * mapped. See also {@link #hiddenName}, {@link #hiddenValue}, and {@link #displayField}.
+ */ + /** + * @cfg {String} hiddenName If specified, a hidden form field with this name is dynamically generated to store the + * field's data value (defaults to the underlying DOM element's name). Required for the combo's value to automatically + * post during a form submission. See also {@link #valueField}. + *Note: the hidden field's id will also default to this name if {@link #hiddenId} is not specified. + * The ComboBox {@link Ext.Component#id id} and the {@link #hiddenId} should be different, since + * no two DOM nodes should share the same id. So, if the ComboBox {@link Ext.form.Field#name name} and + * hiddenName are the same, you should specify a unique {@link #hiddenId}.
+ */ + /** + * @cfg {String} hiddenId If {@link #hiddenName} is specified, hiddenId can also be provided + * to give the hidden field a unique id (defaults to the {@link #hiddenName}). The hiddenId + * and combo {@link Ext.Component#id id} should be different, since no two DOM + * nodes should share the same id. + */ + /** + * @cfg {String} hiddenValue Sets the initial value of the hidden field if {@link #hiddenName} is + * specified to contain the selected {@link #valueField}, from the Store. Defaults to the configured + * {@link Ext.form.Field#value value}. + */ + /** + * @cfg {String} listClass The CSS class to add to the predefined 'x-combo-list' class + * applied the dropdown list element (defaults to ''). + */ + listClass : '', + /** + * @cfg {String} selectedClass CSS class to apply to the selected item in the dropdown list + * (defaults to 'x-combo-selected') + */ + selectedClass : 'x-combo-selected', + /** + * @cfg {String} listEmptyText The empty text to display in the data view if no items are found. + * (defaults to '') + */ + listEmptyText: '', + /** + * @cfg {String} triggerClass An additional CSS class used to style the trigger button. The trigger will always + * get the class 'x-form-trigger' and triggerClass will be appended if specified + * (defaults to 'x-form-arrow-trigger' which displays a downward arrow icon). + */ + triggerClass : 'x-form-arrow-trigger', + /** + * @cfg {Boolean/String} shadow true or "sides" for the default effect, "frame" for + * 4-way shadow, and "drop" for bottom-right + */ + shadow : 'sides', + /** + * @cfg {String/Array} listAlign A valid anchor position value. See {@link Ext.Element#alignTo} for details + * on supported anchor positions and offsets. To specify x/y offsets as well, this value + * may be specified as an Array of {@link Ext.Element#alignTo} method arguments. + *[ 'tl-bl?', [6,0] ]{@link #doQuery run the query} using the {@link Ext.form.Field#getRawValue raw value}.
{@link #doQuery run the query} specified by the {@link #allQuery} config option
See also {@link #queryParam}.
Automatically loads the {@link #store} the first time the trigger + * is clicked. If you do not want the store to be automatically loaded the first time the trigger is + * clicked, set to 'local' and manually load the store. To force a requery of the store + * every time the trigger is clicked see {@link #lastQuery}.
ComboBox loads local data
+ *
+var combo = new Ext.form.ComboBox({
+ renderTo: document.body,
+ mode: 'local',
+ store: new Ext.data.ArrayStore({
+ id: 0,
+ fields: [
+ 'myId', // numeric value is the key
+ 'displayText'
+ ],
+ data: [[1, 'item1'], [2, 'item2']] // data is local
+ }),
+ valueField: 'myId',
+ displayField: 'displayText',
+ triggerAction: 'all'
+});
+ *
+var combo = new Ext.form.ComboBox({
+ ...
+ mode: 'remote',
+ ...
+ listeners: {
+ // delete the previous query in the beforequery event or set
+ // combo.lastQuery = null (this will reload the store the next time it expands)
+ beforequery: function(qe){
+ delete qe.combo.lastQuery;
+ }
+ }
+});
+ *
+var combo = new Ext.form.ComboBox({
+ ...
+ mode: 'local',
+ triggerAction: 'all',
+ lastQuery: ''
+});
+ * combo : Ext.form.ComboBox query : String forceAll : Boolean cancel : Boolean The template string, or {@link Ext.XTemplate} instance to + * use to display each item in the dropdown list. The dropdown list is displayed in a + * DataView. See {@link #view}.
+ *The default template string is:
+ '<tpl for="."><div class="x-combo-list-item">{' + this.displayField + '}</div></tpl>'
+ * Override the default value to create custom UI layouts for items in the list. + * For example:
+ '<tpl for="."><div ext:qtip="{state}. {nick}" class="x-combo-list-item">{state}</div></tpl>'
+ * The template must contain one or more substitution parameters using field + * names from the Combo's {@link #store Store}. In the example above an + *
ext:qtipattribute is added to display other fields from the Store. + *
To preserve the default visual look of list items, add the CSS class name + *
x-combo-list-itemto the template's container element. + *
Also see {@link #itemSelector} for additional details.
+ */ + this.tpl = 'A simple CSS selector (e.g. div.some-class or span:first-child) that will be + * used to determine what nodes the {@link #view Ext.DataView} which handles the dropdown + * display will be working with.
+ *Note: this setting is required if a custom XTemplate has been + * specified in {@link #tpl} which assigns a class other than
'x-combo-list-item'+ * to dropdown list items + */ + } + + /** + * The {@link Ext.DataView DataView} used to display the ComboBox's options. + * @type Ext.DataView + */ + this.view = new Ext.DataView({ + applyTo: this.innerList, + tpl: this.tpl, + singleSelect: true, + selectedClass: this.selectedClass, + itemSelector: this.itemSelector || '.' + cls + '-item', + emptyText: this.listEmptyText, + deferEmptyText: false + }); + + this.mon(this.view, { + containerclick : this.onViewClick, + click : this.onViewClick, + scope :this + }); + + this.bindStore(this.store, true); + + if(this.resizable){ + this.resizer = new Ext.Resizable(this.list, { + pinned:true, handles:'se' + }); + this.mon(this.resizer, 'resize', function(r, w, h){ + this.maxHeight = h-this.handleHeight-this.list.getFrameWidth('tb')-this.assetHeight; + this.listWidth = w; + this.innerList.setWidth(w - this.list.getFrameWidth('lr')); + this.restrictHeight(); + }, this); + + this[this.pageSize?'footer':'innerList'].setStyle('margin-bottom', this.handleHeight+'px'); + } + } + }, + + /** + *
Returns the element used to house this ComboBox's pop-up list. Defaults to the document body.
+ * A custom implementation may be provided as a configuration option if the floating list needs to be rendered + * to a different Element. An example might be rendering the list inside a Menu so that clicking + * the list does not hide the Menu:
+var store = new Ext.data.ArrayStore({
+ autoDestroy: true,
+ fields: ['initials', 'fullname'],
+ data : [
+ ['FF', 'Fred Flintstone'],
+ ['BR', 'Barney Rubble']
+ ]
+});
+
+var combo = new Ext.form.ComboBox({
+ store: store,
+ displayField: 'fullname',
+ emptyText: 'Select a name...',
+ forceSelection: true,
+ getListParent: function() {
+ return this.el.up('.x-menu');
+ },
+ iconCls: 'no-icon', //use iconCls if placing within menu to shift to right side of menu
+ mode: 'local',
+ selectOnFocus: true,
+ triggerAction: 'all',
+ typeAhead: true,
+ width: 135
+});
+
+var menu = new Ext.menu.Menu({
+ id: 'mainMenu',
+ items: [
+ combo // A Field in a Menu
+ ]
+});
+