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">' +
  54                    '<img class="x-menu-item-icon" style="margin: 0px;" src="' + Roo.BLANK_IMAGE_URL + '">' +
  55                    '<span>{' + this.displayField + '}</span>' +
  56                     '</div>'
  57
  58             });
  59         }
  60
  61
  62         Roo.form.ComboCheck.superclass.onRender.call(this, ct, position);
  63         this.view.singleSelect = false;
  64         this.view.multiSelect = true;
  65         this.view.toggleSelect = true;
  66         this.pageTb.add(new Roo.Toolbar.Fill(), {
  67
  68             text: 'Done',
  69             handler: function()
  70             {
  71                 _t.collapse();
  72             }
  73         });
  74     },
  75
  76     onViewOver : function(e, t){
  77         // do nothing...
  78         return;
  79
  80     },
  81
  82     onViewClick : function(doFocus,index){
  83         return;
  84
  85     },
  86     select: function () {
  87         Roo.log("SELECT CALLED");
  88     },
  89     onLoad: function() {
  90         if(!this.hasFocus){
  91             return;
  92         }
  93         if(this.store.getCount() > 0){
  94             this.expand();
  95             this.restrictHeight();
  96
  97
  98             if(!this.selectByValue(this.value, true)){
  99                 this.select(0, true);
 100             }
 101
 102         }else{
 103             this.onEmptyResults();
 104         }
 105         //this.el.focus();
 106
 107
 108     },
 109     onSelect : function(record, index){
 110         Roo.log("onselect Called");
 111        // this is only called by the clear button now..
 112        this.view.clearSelections();
 113     },
 114     getValueArray : function()
 115     {
 116         var ar = [] ;
 117         try {
 118             var ar = Roo.decode(this.value);
 119             return  ar instanceof Array ? ar : []; //?? valid?
 120
 121         } catch(e) {
 122             Roo.log(e + "\nRoo.form.ComboCheck:getValueArray  invalid data:" + this.getValue());
 123             return [];
 124         }
 125
 126     },
 127
 128
 129     collapse : function(){
 130         Roo.form.ComboCheck.superclass.collapse.call(this);
 131         var sl = this.view.getSelectedIndexes();
 132         var st = this.store;
 133         var nv = [];
 134         var tv = [];
 135         var r;
 136         Roo.each(sl, function(i) {
 137             r = st.getAt(i);
 138             nv.push(r.get(this.valueField));
 139         },this);
 140         this.setValue(Roo.encode(nv))
 141
 142     },
 143
 144     setValue : function(v){
 145         // Roo.log(v);
 146         this.value = v;
 147
 148         var vals = this.getValueArray();
 149         var tv = [];
 150         Roo.each(vals, function(k) {
 151             var r = this.findRecord(this.valueField, k);
 152             if(r){
 153                 tv.push(r.data[this.displayField]);
 154             }else if(this.valueNotFoundText !== undefined){
 155                 tv.push( this.valueNotFoundText );
 156             }
 157         },this);
 158        // Roo.log(tv);
 159
 160         Roo.form.ComboBox.superclass.setValue.call(this, tv.join(', '));
 161         this.hiddenField.value = v;
 162         this.value = v;
 163     }
 164
 165 });