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
  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
  68     },
  69     onSelect : function(record, index){
  70         if(this.fireEvent('beforeselect', this, record, index) !== false){
  71
  72
  73             this.setFromData(index > -1 ? record.data : false);
  74
  75             var = this.view.getSelectedIndexes();
  76
  77             //this.collapse();
  78             this.fireEvent('select', this, record, index);
  79         }
  80     },
  81     getValueArray : function()
  82     {
  83         var ar = [] ;
  84         try {
  85             var ret = Roo.decode(thist.getValue());
  86             ret = typeof(ar) == 'Array' ? ar : []; //?? valid?
  87             return ret;
  88         } catch(e) {
  89             Roo.log("Roo.form.ComboCheck:getValueArray  invalid data:" + _t.getValue());
  90             return [];
  91         }
  92
  93
  94     }
  95
  96 });