git.roojs.org Git - roojs1/blob - Roo/form/ComboCheck.js

   1 /*
   2  * RooJS Library 1.1.1
   3  * Copyright(c) 2008-2011  Alan Knowles
   4  *
   5  * License - LGPL
   6  */
   7
   8
   9 /**
  10  * @class Roo.form.ComboCheck
  11  * @extends Roo.form.ComboBox
  12  * A combobox for multiple select items.
  13  * @constructor
  14  * Create a new ComboCheck
  15  * @param {Object} config Configuration options
  16  */
  17 Roo.form.ComboCheck = function(config){
  18     Roo.form.ComboCheck.superclass.constructor.call(this, config);
  19     // should verify some data...
  20     // like
  21     // hiddenName = required..
  22     // displayField = required
  23     // valudField == required
  24     var req= [ 'hiddenName', 'displayField', 'valueField' ];
  25     var _t = this;
  26     Roo.each(req, function(e) {
  27         if ((typeof(_t[e]) == 'undefined' ) || !_t[e].length) {
  28             throw "Roo.form.ComboCheck : missing value for: " + e;
  29         }
  30     })
  31
  32
  33 };
  34
  35 Roo.extend(Roo.form.ComboCheck, Roo.form.ComboBox, {
  36
  37
  38     editable : false,
  39
  40     selectedClass: 'x-menu-item-checked',
  41
  42     // private
  43     onRender : function(ct, position){
  44         var _t = this;
  45
  46
  47
  48         if(!this.tpl){
  49             var cls = 'x-combo-list';
  50
  51
  52             this.tpl =  new Roo.Template({
  53                 html :  '<div class="'+cls+'-item x-menu-check-item{' + this.valueField + ':this.checked}">' +
  54                    '<img class="x-menu-item-icon" style="margin: 0px;" src="' + Roo.BLANK_IMAGE_URL + '">' +
  55                    '<span>{' + this.displayField + '}</span>' +
  56                     '</div>',
  57                 checked: function (value, allValues) {
  58                     var ar = _t.getValueArray();
  59                     return ar.indexOf(value) > -1 ? ' x-menu-item-checked' : ''
  60                 }
  61             });
  62         }
  63
  64
  65         Roo.form.ComboCheck.superclass.onRender.call(this, ct, position);
  66         this.view.singleSelect = false;
  67         this.view.multiSelect = true;
  68         this.view.onClick = function() {}
  69     },
  70
  71     onViewOver : function(e, t){
  72         // do nothing...
  73         return;
  74
  75     },
  76
  77     onViewClick : function(doFocus,index){
  78         return;
  79         if(this.inKeyMode){ // prevent key nav and mouse over conflicts
  80             return;
  81         }
  82
  83         if (this.view.isSelected(index)) {
  84             this.view.unselect(index);
  85             return;
  86         }
  87         this.view.select(index, true);
  88
  89         return;
  90         var index = this.view.getSelectedIndexes()[0];
  91         var r = this.store.getAt(index);
  92         if(r){
  93             this.onSelect(r, index);
  94         }
  95         if(doFocus !== false && !this.blockFocus){
  96             this.el.focus();
  97         }
  98     },
  99
 100
 101     onSelect : function(record, index){
 102         if(this.fireEvent('beforeselect', this, record, index) !== false){
 103
 104
 105             this.setFromData(index > -1 ? record.data : false);
 106
 107
 108
 109             //this.collapse();
 110             this.fireEvent('select', this, record, index);
 111         }
 112     },
 113     getValueArray : function()
 114     {
 115         var ar = [] ;
 116         try {
 117             var ret = Roo.decode(thist.getValue());
 118             ret = typeof(ar) == 'Array' ? ar : []; //?? valid?
 119             return ret;
 120         } catch(e) {
 121             Roo.log("Roo.form.ComboCheck:getValueArray  invalid data:" + this.getValue());
 122             return [];
 123         }
 124
 125
 126     }
 127 });