+/*
+ * RooJS Library 1.1.1
+ * Copyright(c) 2008-2011 Alan Knowles
+ *
+ * License - LGPL
+ */
+
+
+/**
+ * @class Roo.form.ComboCheck
+ * @extends Roo.form.ComboBox
+ * A combobox for multiple select items.
+ * @constructor
+ * Create a new ComboCheck
+ * @param {Object} config Configuration options
+ */
+Roo.form.ComboCheck = function(config){
+ Roo.form.ComboCheck.superclass.constructor.call(this, config);
+
+};
+
+Roo.extend(Roo.form.ComboCheck, Roo.form.ComboBox, {
+ /**
+ * @cfg {String/HTMLElement/Element} transform The id, DOM node or element of an existing select to convert to a ComboBox
+ */
+ /**
+ * @cfg {Boolean} lazyRender True to prevent the ComboBox from rendering until requested (should always be used when
+ * rendering into an Roo.Editor, defaults to false)
+ */
+ /**
+ * @cfg {Boolean/Object} autoCreate A DomHelper element spec, or true for a default element spec (defaults to:
+ * {tag: "input", type: "text", size: "24", autocomplete: "off"})
+ */
+ /**
+ * @cfg {Roo.data.Store} store The data store to which this combo is bound (defaults to undefined)
+ */
+ /**
+ * @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)
+ */
+
+ /**
+ * @cfg {String/Roo.Template} tpl The template to use to render the output
+ */
+
+ // private
+ defaultAutoCreate : {tag: "input", type: "text", size: "24", autocomplete: "off"},
+ /**
+ * @cfg {Number} listWidth The width in pixels of the dropdown list (defaults to the width of the ComboBox field)
+ */
+ listWidth: undefined,
+ /**
+ * @cfg {String} displayField The underlying data field name to bind to this CombBox (defaults to undefined if
+ * mode = 'remote' or 'text' if mode = 'local')
+ */
+ displayField: undefined,
+ /**
+ * @cfg {String} valueField The underlying data value name to bind to this CombBox (defaults to undefined if
+ * mode = 'remote' or 'value' if mode = 'local').
+ * Note: use of a valueField requires the user make a selection
+ * in order for a value to be mapped.
+ */
+ valueField: undefined,
+ /**
+ * @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)
+ */
+ hiddenName: undefined,
+ /**
+ * @cfg {String} listClass CSS class to apply to 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} 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 <b>appended</b> 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 Roo.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 {String} triggerAction The action to execute when the trigger field is activated. Use 'all' to run the
+ * query specified by the allQuery config option (defaults to 'query')
+ */
+ triggerAction: 'query',
+ /**
+ * @cfg {Number} minChars The minimum number of characters the user must type before autocomplete and typeahead activate
+ * (defaults to 4, does not apply if editable = false)
+ */
+ minChars : 4,
+ /**
+ * @cfg {Boolean} typeAhead True to populate and autoselect the remainder of the text being typed after a configurable
+ * delay (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 mode = 'remote' or 10 if mode = 'local')
+ */
+ queryDelay: 500,
+ /**
+ * @cfg {Number} pageSize If greater than 0, a paging toolbar is displayed in the footer of the dropdown list and the
+ * filter queries will execute with page start and limit parameters. Only applies when 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 editable = true (defaults to false)
+ */
+ selectOnFocus:false,
+ /**
+ * @cfg {String} queryParam Name of the query 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 mode = 'remote' (defaults to 'Loading...')
+ */
+ loadingText: 'Loading...',
+ /**
+ * @cfg {Boolean} resizable True to add a resize handle to the bottom of the dropdown list (defaults to false)
+ */
+ resizable: false,
+ /**
+ * @cfg {Number} handleHeight The height in pixels of the dropdown list resize handle if resizable = true (defaults to 8)
+ */
+ handleHeight : 8,
+ /**
+ * @cfg {Boolean} editable False to prevent the user from typing text directly into the field, just like a
+ * traditional select (defaults to true)
+ */
+ editable: true,
+ /**
+ * @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 Set to 'local' if the ComboBox loads local data (defaults to 'remote' which loads from the server)
+ */
+ mode: 'remote',
+ /**
+ * @cfg {Number} minListWidth The minimum width of the dropdown list in pixels (defaults to 70, will be ignored if
+ * 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 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)
+ */
+ valueNotFoundText : undefined,
+ /**
+ * @cfg {Boolean} blockFocus Prevents all focus calls, so it can work with things like HTML edtor bar
+ */
+ blockFocus : false,
+
+ /**
+ * @cfg {Boolean} disableClear Disable showing of clear button.
+ */
+ disableClear : false,
+ /**
+ * @cfg {Boolean} alwaysQuery Disable caching of results, and always send query
+ */
+ alwaysQuery : false,
+
+ //private
+ addicon : false,
+ editicon: false,
+
+
+ // private
+ onRender : function(ct, position){
+ Roo.form.ComboBox.superclass.onRender.call(this, ct, position);
+ if(this.hiddenName){
+ this.hiddenField = this.el.insertSibling({tag:'input', type:'hidden', name: this.hiddenName, id: (this.hiddenId||this.hiddenName)},
+ 'before', true);
+ this.hiddenField.value =
+ this.hiddenValue !== undefined ? this.hiddenValue :
+ this.value !== undefined ? this.value : '';
+
+ // prevent input submission
+ this.el.dom.removeAttribute('name');
+ }
+ if(Roo.isGecko){
+ this.el.dom.setAttribute('autocomplete', 'off');
+ }
+
+ var cls = 'x-combo-list';
+
+ this.list = new Roo.Layer({
+ shadow: this.shadow, cls: [cls, this.listClass].join(' '), constrain:false
+ });
+
+ var lw = this.listWidth || Math.max(this.wrap.getWidth(), this.minListWidth);
+ this.list.setWidth(lw);
+ this.list.swallowEvent('mousewheel');
+ this.assetHeight = 0;
+
+ if(this.title){
+ this.header = this.list.createChild({cls:cls+'-hd', html: this.title});
+ this.assetHeight += this.header.getHeight();
+ }
+
+ this.innerList = this.list.createChild({cls:cls+'-inner'});
+ this.innerList.on('mouseover', this.onViewOver, this);
+ this.innerList.on('mousemove', this.onViewMove, this);
+ this.innerList.setWidth(lw - this.list.getFrameWidth('lr'));
+
+ if(this.allowBlank && !this.pageSize && !this.disableClear){
+ this.footer = this.list.createChild({cls:cls+'-ft'});
+ this.pageTb = new Roo.Toolbar(this.footer);
+
+ }
+ if(this.pageSize){
+ this.footer = this.list.createChild({cls:cls+'-ft'});
+ this.pageTb = new Roo.PagingToolbar(this.footer, this.store,
+ {pageSize: this.pageSize});
+
+ }
+
+ if (this.pageTb && this.allowBlank && !this.disableClear) {
+ var _this = this;
+ this.pageTb.add(new Roo.Toolbar.Fill(), {
+ cls: 'x-btn-icon x-btn-clear',
+ text: ' ',
+ handler: function()
+ {
+ _this.collapse();
+ _this.clearValue();
+ _this.onSelect(false, -1);
+ }
+ });
+ }
+ if (this.footer) {
+ this.assetHeight += this.footer.getHeight();
+ }
+
+
+ if(!this.tpl){
+ this.tpl = '<div class="'+cls+'-item">{' + this.displayField + '}</div>';
+ }
+
+ this.view = new Roo.View(this.innerList, this.tpl, {
+ singleSelect:true, store: this.store, selectedClass: this.selectedClass
+ });
+
+ this.view.on('click', this.onViewClick, this);
+
+ this.store.on('beforeload', this.onBeforeLoad, this);
+ this.store.on('load', this.onLoad, this);
+ this.store.on('loadexception', this.collapse, this);
+
+ if(this.resizable){
+ this.resizer = new Roo.Resizable(this.list, {
+ pinned:true, handles:'se'
+ });
+ this.resizer.on('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');
+ }
+ if(!this.editable){
+ this.editable = true;
+ this.setEditable(false);
+ }
+
+
+ if (typeof(this.events.add.listeners) != 'undefined') {
+
+ this.addicon = this.wrap.createChild(
+ {tag: 'img', src: Roo.BLANK_IMAGE_URL, cls: 'x-form-combo-add' });
+
+ this.addicon.on('click', function(e) {
+ this.fireEvent('add', this);
+ }, this);
+ }
+ if (typeof(this.events.edit.listeners) != 'undefined') {
+
+ this.editicon = this.wrap.createChild(
+ {tag: 'img', src: Roo.BLANK_IMAGE_URL, cls: 'x-form-combo-edit' });
+ if (this.addicon) {
+ this.editicon.setStyle('margin-left', '40px');
+ }
+ this.editicon.on('click', function(e) {
+
+ // we fire even if inothing is selected..
+ this.fireEvent('edit', this, this.lastData );
+
+ }, this);
+ }
+
+
+
+ },
+
+ // private
+ initEvents : function(){
+ Roo.form.ComboBox.superclass.initEvents.call(this);
+
+ this.keyNav = new Roo.KeyNav(this.el, {
+ "up" : function(e){
+ this.inKeyMode = true;
+ this.selectPrev();
+ },
+
+ "down" : function(e){
+ if(!this.isExpanded()){
+ this.onTriggerClick();
+ }else{
+ this.inKeyMode = true;
+ this.selectNext();
+ }
+ },
+
+ "enter" : function(e){
+ this.onViewClick();
+ //return true;
+ },
+
+ "esc" : function(e){
+ this.collapse();
+ },
+
+ "tab" : function(e){
+ this.onViewClick(false);
+ return true;
+ },
+
+ scope : this,
+
+ doRelay : function(foo, bar, hname){
+ if(hname == 'down' || this.scope.isExpanded()){
+ return Roo.KeyNav.prototype.doRelay.apply(this, arguments);
+ }
+ return true;
+ },
+
+ forceKeyDown: true
+ });
+ this.queryDelay = Math.max(this.queryDelay || 10,
+ this.mode == 'local' ? 10 : 250);
+ this.dqTask = new Roo.util.DelayedTask(this.initQuery, this);
+ if(this.typeAhead){
+ this.taTask = new Roo.util.DelayedTask(this.onTypeAhead, this);
+ }
+ if(this.editable !== false){
+ this.el.on("keyup", this.onKeyUp, this);
+ }
+ if(this.forceSelection){
+ this.on('blur', this.doForce, this);
+ }
+ },
+
+ onDestroy : function(){
+ if(this.view){
+ this.view.setStore(null);
+ this.view.el.removeAllListeners();
+ this.view.el.remove();
+ this.view.purgeListeners();
+ }
+ if(this.list){
+ this.list.destroy();
+ }
+ if(this.store){
+ this.store.un('beforeload', this.onBeforeLoad, this);
+ this.store.un('load', this.onLoad, this);
+ this.store.un('loadexception', this.collapse, this);
+ }
+ Roo.form.ComboBox.superclass.onDestroy.call(this);
+ },
+
+ // private
+ fireKey : function(e){
+ if(e.isNavKeyPress() && !this.list.isVisible()){
+ this.fireEvent("specialkey", this, e);
+ }
+ },
+
+ // private
+ onResize: function(w, h){
+ Roo.form.ComboBox.superclass.onResize.apply(this, arguments);
+
+ if(typeof w != 'number'){
+ // we do not handle it!?!?
+ return;
+ }
+ var tw = this.trigger.getWidth();
+ tw += this.addicon ? this.addicon.getWidth() : 0;
+ tw += this.editicon ? this.editicon.getWidth() : 0;
+ var x = w - tw;
+ this.el.setWidth( this.adjustWidth('input', x));
+
+ this.trigger.setStyle('left', x+'px');
+
+ if(this.list && this.listWidth === undefined){
+ var lw = Math.max(x + this.trigger.getWidth(), this.minListWidth);
+ this.list.setWidth(lw);
+ this.innerList.setWidth(lw - this.list.getFrameWidth('lr'));
+ }
+
+
+
+ },
+
+ /**
+ * Allow or prevent the user from directly editing the field text. If false is passed,
+ * the user will only be able to select from the items defined in the dropdown list. This method
+ * is the runtime equivalent of setting the 'editable' config option at config time.
+ * @param {Boolean} value True to allow the user to directly edit the field text
+ */
+ setEditable : function(value){
+ if(value == this.editable){
+ return;
+ }
+ this.editable = value;
+ if(!value){
+ this.el.dom.setAttribute('readOnly', true);
+ this.el.on('mousedown', this.onTriggerClick, this);
+ this.el.addClass('x-combo-noedit');
+ }else{
+ this.el.dom.setAttribute('readOnly', false);
+ this.el.un('mousedown', this.onTriggerClick, this);
+ this.el.removeClass('x-combo-noedit');
+ }
+ },
+
+ // private
+ onBeforeLoad : function(){
+ if(!this.hasFocus){
+ return;
+ }
+ this.innerList.update(this.loadingText ?
+ '<div class="loading-indicator">'+this.loadingText+'</div>' : '');
+ this.restrictHeight();
+ this.selectedIndex = -1;
+ },
+
+ // private
+ onLoad : function(){
+ if(!this.hasFocus){
+ return;
+ }
+ if(this.store.getCount() > 0){
+ this.expand();
+ this.restrictHeight();
+ if(this.lastQuery == this.allQuery){
+ if(this.editable){
+ this.el.dom.select();
+ }
+ if(!this.selectByValue(this.value, true)){
+ this.select(0, true);
+ }
+ }else{
+ this.selectNext();
+ if(this.typeAhead && this.lastKey != Roo.EventObject.BACKSPACE && this.lastKey != Roo.EventObject.DELETE){
+ this.taTask.delay(this.typeAheadDelay);
+ }
+ }
+ }else{
+ this.onEmptyResults();
+ }
+ //this.el.focus();
+ },
+
+ // private
+ onTypeAhead : function(){
+ if(this.store.getCount() > 0){
+ var r = this.store.getAt(0);
+ var newValue = r.data[this.displayField];
+ var len = newValue.length;
+ var selStart = this.getRawValue().length;
+ if(selStart != len){
+ this.setRawValue(newValue);
+ this.selectText(selStart, newValue.length);
+ }
+ }
+ },
+
+ // private
+ onSelect : function(record, index){
+ if(this.fireEvent('beforeselect', this, record, index) !== false){
+ this.setFromData(index > -1 ? record.data : false);
+ this.collapse();
+ this.fireEvent('select', this, record, index);
+ }
+ },
+
+ /**
+ * Returns the currently selected field value or empty string if no value is set.
+ * @return {String} value The selected value
+ */
+ getValue : function(){
+ if(this.valueField){
+ return typeof this.value != 'undefined' ? this.value : '';
+ }else{
+ return Roo.form.ComboBox.superclass.getValue.call(this);
+ }
+ },
+
+ /**
+ * Clears any text/value currently set in the field
+ */
+ clearValue : function(){
+ if(this.hiddenField){
+ this.hiddenField.value = '';
+ }
+ this.value = '';
+ this.setRawValue('');
+ this.lastSelectionText = '';
+ this.applyEmptyText();
+ },
+
+ /**
+ * Sets the specified value into the field. If the value finds a match, the corresponding record text
+ * will be displayed in the field. If the value does not match the data value of an existing item,
+ * and the valueNotFoundText config option is defined, it will be displayed as the default field text.
+ * Otherwise the field will be blank (although the value will still be set).
+ * @param {String} value The value to match
+ */
+ setValue : function(v){
+ var text = v;
+ if(this.valueField){
+ var r = this.findRecord(this.valueField, v);
+ if(r){
+ text = r.data[this.displayField];
+ }else if(this.valueNotFoundText !== undefined){
+ text = this.valueNotFoundText;
+ }
+ }
+ this.lastSelectionText = text;
+ if(this.hiddenField){
+ this.hiddenField.value = v;
+ }
+ Roo.form.ComboBox.superclass.setValue.call(this, text);
+ this.value = v;
+ },
+ /**
+ * @property {Object} the last set data for the element
+ */
+
+ lastData : false,
+ /**
+ * Sets the value of the field based on a object which is related to the record format for the store.
+ * @param {Object} value the value to set as. or false on reset?
+ */
+ setFromData : function(o){
+ var dv = ''; // display value
+ var vv = ''; // value value..
+ this.lastData = o;
+ if (this.displayField) {
+ dv = !o || typeof(o[this.displayField]) == 'undefined' ? '' : o[this.displayField];
+ } else {
+ // this is an error condition!!!
+ Roo.log('no displayField value set for '+ (this.name ? this.name : this.id));
+ }
+
+ if(this.valueField){
+ vv = !o || typeof(o[this.valueField]) == 'undefined' ? dv : o[this.valueField];
+ }
+ if(this.hiddenField){
+ this.hiddenField.value = vv;
+
+ this.lastSelectionText = dv;
+ Roo.form.ComboBox.superclass.setValue.call(this, dv);
+ this.value = vv;
+ return;
+ }
+ // no hidden field.. - we store the value in 'value', but still display
+ // display field!!!!
+ this.lastSelectionText = dv;
+ Roo.form.ComboBox.superclass.setValue.call(this, dv);
+ this.value = vv;
+
+
+ },
+ // private
+ reset : function(){
+ // overridden so that last data is reset..
+ this.setValue(this.originalValue);
+ this.clearInvalid();
+ this.lastData = false;
+ },
+ // private
+ findRecord : function(prop, value){
+ var record;
+ if(this.store.getCount() > 0){
+ this.store.each(function(r){
+ if(r.data[prop] == value){
+ record = r;
+ return false;
+ }
+ });
+ }
+ return record;
+ },
+
+ // private
+ onViewMove : function(e, t){
+ this.inKeyMode = false;
+ },
+
+ // private
+ onViewOver : function(e, t){
+ if(this.inKeyMode){ // prevent key nav and mouse over conflicts
+ return;
+ }
+ var item = this.view.findItemFromChild(t);
+ if(item){
+ var index = this.view.indexOf(item);
+ this.select(index, false);
+ }
+ },
+
+ // private
+ onViewClick : function(doFocus){
+ var index = this.view.getSelectedIndexes()[0];
+ var r = this.store.getAt(index);
+ if(r){
+ this.onSelect(r, index);
+ }
+ if(doFocus !== false && !this.blockFocus){
+ this.el.focus();
+ }
+ },
+
+ // private
+ restrictHeight : function(){
+ this.innerList.dom.style.height = '';
+ var inner = this.innerList.dom;
+ var h = Math.max(inner.clientHeight, inner.offsetHeight, inner.scrollHeight);
+ this.innerList.setHeight(h < this.maxHeight ? 'auto' : this.maxHeight);
+ this.list.beginUpdate();
+ this.list.setHeight(this.innerList.getHeight()+this.list.getFrameWidth('tb')+(this.resizable?this.handleHeight:0)+this.assetHeight);
+ this.list.alignTo(this.el, this.listAlign);
+ this.list.endUpdate();
+ },
+
+ // private
+ onEmptyResults : function(){
+ this.collapse();
+ },
+
+ /**
+ * Returns true if the dropdown list is expanded, else false.
+ */
+ isExpanded : function(){
+ return this.list.isVisible();
+ },
+
+ /**
+ * Select an item in the dropdown list by its data value. This function does NOT cause the select event to fire.
+ * The store must be loaded and the list expanded for this function to work, otherwise use setValue.
+ * @param {String} value The data value of the item to select
+ * @param {Boolean} scrollIntoView False to prevent the dropdown list from autoscrolling to display the
+ * selected item if it is not currently in view (defaults to true)
+ * @return {Boolean} True if the value matched an item in the list, else false
+ */
+ selectByValue : function(v, scrollIntoView){
+ if(v !== undefined && v !== null){
+ var r = this.findRecord(this.valueField || this.displayField, v);
+ if(r){
+ this.select(this.store.indexOf(r), scrollIntoView);
+ return true;
+ }
+ }
+ return false;
+ },
+
+ /**
+ * Select an item in the dropdown list by its numeric index in the list. This function does NOT cause the select event to fire.
+ * The store must be loaded and the list expanded for this function to work, otherwise use setValue.
+ * @param {Number} index The zero-based index of the list item to select
+ * @param {Boolean} scrollIntoView False to prevent the dropdown list from autoscrolling to display the
+ * selected item if it is not currently in view (defaults to true)
+ */
+ select : function(index, scrollIntoView){
+ this.selectedIndex = index;
+ this.view.select(index);
+ if(scrollIntoView !== false){
+ var el = this.view.getNode(index);
+ if(el){
+ this.innerList.scrollChildIntoView(el, false);
+ }
+ }
+ },
+
+ // private
+ selectNext : function(){
+ var ct = this.store.getCount();
+ if(ct > 0){
+ if(this.selectedIndex == -1){
+ this.select(0);
+ }else if(this.selectedIndex < ct-1){
+ this.select(this.selectedIndex+1);
+ }
+ }
+ },
+
+ // private
+ selectPrev : function(){
+ var ct = this.store.getCount();
+ if(ct > 0){
+ if(this.selectedIndex == -1){
+ this.select(0);
+ }else if(this.selectedIndex != 0){
+ this.select(this.selectedIndex-1);
+ }
+ }
+ },
+
+ // private
+ onKeyUp : function(e){
+ if(this.editable !== false && !e.isSpecialKey()){
+ this.lastKey = e.getKey();
+ this.dqTask.delay(this.queryDelay);
+ }
+ },
+
+ // private
+ validateBlur : function(){
+ return !this.list || !this.list.isVisible();
+ },
+
+ // private
+ initQuery : function(){
+ this.doQuery(this.getRawValue());
+ },
+
+ // private
+ doForce : function(){
+ if(this.el.dom.value.length > 0){
+ this.el.dom.value =
+ this.lastSelectionText === undefined ? '' : this.lastSelectionText;
+ this.applyEmptyText();
+ }
+ },
+
+ /**
+ * Execute a query to filter the dropdown list. Fires the beforequery event prior to performing the
+ * query allowing the query action to be canceled if needed.
+ * @param {String} query The SQL query to execute
+ * @param {Boolean} forceAll True to force the query to execute even if there are currently fewer characters
+ * in the field than the minimum specified by the minChars config option. It also clears any filter previously
+ * saved in the current store (defaults to false)
+ */
+ doQuery : function(q, forceAll){
+ if(q === undefined || q === null){
+ q = '';
+ }
+ var qe = {
+ query: q,
+ forceAll: forceAll,
+ combo: this,
+ cancel:false
+ };
+ if(this.fireEvent('beforequery', qe)===false || qe.cancel){
+ return false;
+ }
+ q = qe.query;
+ forceAll = qe.forceAll;
+ if(forceAll === true || (q.length >= this.minChars)){
+ if(this.lastQuery != q || this.alwaysQuery){
+ this.lastQuery = q;
+ if(this.mode == 'local'){
+ this.selectedIndex = -1;
+ if(forceAll){
+ this.store.clearFilter();
+ }else{
+ this.store.filter(this.displayField, q);
+ }
+ this.onLoad();
+ }else{
+ this.store.baseParams[this.queryParam] = q;
+ this.store.load({
+ params: this.getParams(q)
+ });
+ this.expand();
+ }
+ }else{
+ this.selectedIndex = -1;
+ this.onLoad();
+ }
+ }
+ },
+
+ // private
+ getParams : function(q){
+ var p = {};
+ //p[this.queryParam] = q;
+ if(this.pageSize){
+ p.start = 0;
+ p.limit = this.pageSize;
+ }
+ return p;
+ },
+
+ /**
+ * Hides the dropdown list if it is currently expanded. Fires the 'collapse' event on completion.
+ */
+ collapse : function(){
+ if(!this.isExpanded()){
+ return;
+ }
+ this.list.hide();
+ Roo.get(document).un('mousedown', this.collapseIf, this);
+ Roo.get(document).un('mousewheel', this.collapseIf, this);
+ if (!this.editable) {
+ Roo.get(document).un('keydown', this.listKeyPress, this);
+ }
+ this.fireEvent('collapse', this);
+ },
+
+ // private
+ collapseIf : function(e){
+ if(!e.within(this.wrap) && !e.within(this.list)){
+ this.collapse();
+ }
+ },
+
+ /**
+ * Expands the dropdown list if it is currently hidden. Fires the 'expand' event on completion.
+ */
+ expand : function(){
+ if(this.isExpanded() || !this.hasFocus){
+ return;
+ }
+ this.list.alignTo(this.el, this.listAlign);
+ this.list.show();
+ Roo.get(document).on('mousedown', this.collapseIf, this);
+ Roo.get(document).on('mousewheel', this.collapseIf, this);
+ if (!this.editable) {
+ Roo.get(document).on('keydown', this.listKeyPress, this);
+ }
+
+ this.fireEvent('expand', this);
+ },
+
+ // private
+ // Implements the default empty TriggerField.onTriggerClick function
+ onTriggerClick : function(){
+ if(this.disabled){
+ return;
+ }
+ if(this.isExpanded()){
+ this.collapse();
+ if (!this.blockFocus) {
+ this.el.focus();
+ }
+
+ }else {
+ this.hasFocus = true;
+ if(this.triggerAction == 'all') {
+ this.doQuery(this.allQuery, true);
+ } else {
+ this.doQuery(this.getRawValue());
+ }
+ if (!this.blockFocus) {
+ this.el.focus();
+ }
+ }
+ },
+ listKeyPress : function(e)
+ {
+ //Roo.log('listkeypress');
+ // scroll to first matching element based on key pres..
+ if (e.isSpecialKey()) {
+ return false;
+ }
+ var k = String.fromCharCode(e.getKey()).toUpperCase();
+ //Roo.log(k);
+ var match = false;
+ var csel = this.view.getSelectedNodes();
+ var cselitem = false;
+ if (csel.length) {
+ var ix = this.view.indexOf(csel[0]);
+ cselitem = this.store.getAt(ix);
+ if (!cselitem.get(this.displayField) || cselitem.get(this.displayField).substring(0,1).toUpperCase() != k) {
+ cselitem = false;
+ }
+
+ }
+
+ this.store.each(function(v) {
+ if (cselitem) {
+ // start at existing selection.
+ if (cselitem.id == v.id) {
+ cselitem = false;
+ }
+ return;
+ }
+
+ if (v.get(this.displayField) && v.get(this.displayField).substring(0,1).toUpperCase() == k) {
+ match = this.store.indexOf(v);
+ return false;
+ }
+ }, this);
+
+ if (match === false) {
+ return true; // no more action?
+ }
+ // scroll to?
+ this.view.select(match);
+ var sn = Roo.get(this.view.getSelectedNodes()[0])
+ sn.scrollIntoView(sn.dom.parentNode, false);
+ }
+
+ /**
+ * @cfg {Boolean} grow
+ * @hide
+ */
+ /**
+ * @cfg {Number} growMin
+ * @hide
+ */
+ /**
+ * @cfg {Number} growMax
+ * @hide
+ */
+ /**
+ * @hide
+ * @method autoSize
+ */
+});
\ No newline at end of file