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 = [] ;
  59                     try {
  60                         Roo.decode(_t.getValue()) || [];
  61                     } catch(e) {
  62                         Roo.log("Roo.form.ComboCheck:tpl checked - invalid data:" + _t.getValue());
  63                         return '';
  64                     }
  65                     ar = typeof(ar) == 'Array' ? ar : [];
  66                     return ar.indexOf(value) ? ' x-menu-item-checked' : ''
  67                 }
  68             });
  69         }
  70
  71
  72         Roo.form.ComboCheck.superclass.onRender.call(this, ct, position);
  73
  74
  75     },
  76
  77
  78 });