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-<head>
- <title>The source code</title>
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- <pre class="prettyprint lang-js">Ext.ns('Ext.ux.form');\r
-\r
-<div id="cls-Ext.ux.form.SelectBox"></div>/**\r
- * @class Ext.ux.form.SelectBox\r
- * @extends Ext.form.ComboBox\r
- * <p>Makes a ComboBox more closely mimic an HTML SELECT. Supports clicking and dragging\r
- * through the list, with item selection occurring when the mouse button is released.\r
- * When used will automatically set {@link #editable} to false and call {@link Ext.Element#unselectable}\r
- * on inner elements. Re-enabling editable after calling this will NOT work.</p>\r
- * @author Corey Gilmore http://extjs.com/forum/showthread.php?t=6392\r
- * @history 2007-07-08 jvs\r
- * Slight mods for Ext 2.0\r
- * @xtype selectbox\r
- */\r
-Ext.ux.form.SelectBox = Ext.extend(Ext.form.ComboBox, {\r
- constructor: function(config){\r
- this.searchResetDelay = 1000;\r
- config = config || {};\r
- config = Ext.apply(config || {}, {\r
- editable: false,\r
- forceSelection: true,\r
- rowHeight: false,\r
- lastSearchTerm: false,\r
- triggerAction: 'all',\r
- mode: 'local'\r
- });\r
-\r
- Ext.ux.form.SelectBox.superclass.constructor.apply(this, arguments);\r
-\r
- this.lastSelectedIndex = this.selectedIndex || 0;\r
- },\r
-\r
- initEvents : function(){\r
- Ext.ux.form.SelectBox.superclass.initEvents.apply(this, arguments);\r
- // you need to use keypress to capture upper/lower case and shift+key, but it doesn't work in IE\r
- this.el.on('keydown', this.keySearch, this, true);\r
- this.cshTask = new Ext.util.DelayedTask(this.clearSearchHistory, this);\r
- },\r
-\r
- keySearch : function(e, target, options) {\r
- var raw = e.getKey();\r
- var key = String.fromCharCode(raw);\r
- var startIndex = 0;\r
-\r
- if( !this.store.getCount() ) {\r
- return;\r
- }\r
-\r
- switch(raw) {\r
- case Ext.EventObject.HOME:\r
- e.stopEvent();\r
- this.selectFirst();\r
- return;\r
-\r
- case Ext.EventObject.END:\r
- e.stopEvent();\r
- this.selectLast();\r
- return;\r
-\r
- case Ext.EventObject.PAGEDOWN:\r
- this.selectNextPage();\r
- e.stopEvent();\r
- return;\r
-\r
- case Ext.EventObject.PAGEUP:\r
- this.selectPrevPage();\r
- e.stopEvent();\r
- return;\r
- }\r
-\r
- // skip special keys other than the shift key\r
- if( (e.hasModifier() && !e.shiftKey) || e.isNavKeyPress() || e.isSpecialKey() ) {\r
- return;\r
- }\r
- if( this.lastSearchTerm == key ) {\r
- startIndex = this.lastSelectedIndex;\r
- }\r
- this.search(this.displayField, key, startIndex);\r
- this.cshTask.delay(this.searchResetDelay);\r
- },\r
-\r
- onRender : function(ct, position) {\r
- this.store.on('load', this.calcRowsPerPage, this);\r
- Ext.ux.form.SelectBox.superclass.onRender.apply(this, arguments);\r
- if( this.mode == 'local' ) {\r
- this.initList();\r
- this.calcRowsPerPage();\r
- }\r
- },\r
-\r
- onSelect : function(record, index, skipCollapse){\r
- if(this.fireEvent('beforeselect', this, record, index) !== false){\r
- this.setValue(record.data[this.valueField || this.displayField]);\r
- if( !skipCollapse ) {\r
- this.collapse();\r
- }\r
- this.lastSelectedIndex = index + 1;\r
- this.fireEvent('select', this, record, index);\r
- }\r
- },\r
-\r
- afterRender : function() {\r
- Ext.ux.form.SelectBox.superclass.afterRender.apply(this, arguments);\r
- if(Ext.isWebKit) {\r
- this.el.swallowEvent('mousedown', true);\r
- }\r
- this.el.unselectable();\r
- this.innerList.unselectable();\r
- this.trigger.unselectable();\r
- this.innerList.on('mouseup', function(e, target, options) {\r
- if( target.id && target.id == this.innerList.id ) {\r
- return;\r
- }\r
- this.onViewClick();\r
- }, this);\r
-\r
- this.innerList.on('mouseover', function(e, target, options) {\r
- if( target.id && target.id == this.innerList.id ) {\r
- return;\r
- }\r
- this.lastSelectedIndex = this.view.getSelectedIndexes()[0] + 1;\r
- this.cshTask.delay(this.searchResetDelay);\r
- }, this);\r
-\r
- this.trigger.un('click', this.onTriggerClick, this);\r
- this.trigger.on('mousedown', function(e, target, options) {\r
- e.preventDefault();\r
- this.onTriggerClick();\r
- }, this);\r
-\r
- this.on('collapse', function(e, target, options) {\r
- Ext.getDoc().un('mouseup', this.collapseIf, this);\r
- }, this, true);\r
-\r
- this.on('expand', function(e, target, options) {\r
- Ext.getDoc().on('mouseup', this.collapseIf, this);\r
- }, this, true);\r
- },\r
-\r
- clearSearchHistory : function() {\r
- this.lastSelectedIndex = 0;\r
- this.lastSearchTerm = false;\r
- },\r
-\r
- selectFirst : function() {\r
- this.focusAndSelect(this.store.data.first());\r
- },\r
-\r
- selectLast : function() {\r
- this.focusAndSelect(this.store.data.last());\r
- },\r
-\r
- selectPrevPage : function() {\r
- if( !this.rowHeight ) {\r
- return;\r
- }\r
- var index = Math.max(this.selectedIndex-this.rowsPerPage, 0);\r
- this.focusAndSelect(this.store.getAt(index));\r
- },\r
-\r
- selectNextPage : function() {\r
- if( !this.rowHeight ) {\r
- return;\r
- }\r
- var index = Math.min(this.selectedIndex+this.rowsPerPage, this.store.getCount() - 1);\r
- this.focusAndSelect(this.store.getAt(index));\r
- },\r
-\r
- search : function(field, value, startIndex) {\r
- field = field || this.displayField;\r
- this.lastSearchTerm = value;\r
- var index = this.store.find.apply(this.store, arguments);\r
- if( index !== -1 ) {\r
- this.focusAndSelect(index);\r
- }\r
- },\r
-\r
- focusAndSelect : function(record) {\r
- var index = Ext.isNumber(record) ? record : this.store.indexOf(record);\r
- this.select(index, this.isExpanded());\r
- this.onSelect(this.store.getAt(index), index, this.isExpanded());\r
- },\r
-\r
- calcRowsPerPage : function() {\r
- if( this.store.getCount() ) {\r
- this.rowHeight = Ext.fly(this.view.getNode(0)).getHeight();\r
- this.rowsPerPage = this.maxHeight / this.rowHeight;\r
- } else {\r
- this.rowHeight = false;\r
- }\r
- }\r
-\r
-});\r
-\r
-Ext.reg('selectbox', Ext.ux.form.SelectBox);\r
-\r
-//backwards compat\r
-Ext.ux.SelectBox = Ext.ux.form.SelectBox;\r
-</pre>
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