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
  90     selectByValue : function(xv, scrollIntoView){
  91         var ar = this.getValueArray();
  92         var sels = [];
  93
  94         Roo.each(ar, function(v) {
  95             if(v === undefined || v === null){
  96                 return;
  97             }
  98             var r = this.findRecord(this.valueField, v);
  99             if(r){
 100                 sels.push(this.store.indexOf(r))
 101
 102             }
 103         },this);
 104         this.view.select(sels);
 105         return false;
 106     },
 107
 108
 109
 110     onSelect : function(record, index){
 111         Roo.log("onselect Called");
 112        // this is only called by the clear button now..
 113        this.view.clearSelections();
 114     },
 115     getValueArray : function()
 116     {
 117         var ar = [] ;
 118
 119         try {
 120             Roo.log(this.value)
 121             var ar = Roo.decode(this.value);
 122             return  ar instanceof Array ? ar : []; //?? valid?
 123
 124         } catch(e) {
 125             Roo.log(e + "\nRoo.form.ComboCheck:getValueArray  invalid data:" + this.getValue());
 126             return [];
 127         }
 128
 129     },
 130     expand : function ()
 131     {
 132         Roo.form.ComboCheck.superclass.setValue.call(this);
 133         this.valueBefore = this.value;
 134
 135
 136     },
 137
 138     collapse : function(){
 139         Roo.form.ComboCheck.superclass.collapse.call(this);
 140         var sl = this.view.getSelectedIndexes();
 141         var st = this.store;
 142         var nv = [];
 143         var tv = [];
 144         var r;
 145         Roo.each(sl, function(i) {
 146             r = st.getAt(i);
 147             nv.push(r.get(this.valueField));
 148         },this);
 149         this.setValue(Roo.encode(nv))
 150         if (this.value != this.valueBefore) {
 151
 152             this.fireEvent('change', this, this.value, this.valueBefore);
 153         }
 154
 155     },
 156
 157     setValue : function(v){
 158         // Roo.log(v);
 159         this.value = v;
 160
 161         var vals = this.getValueArray();
 162         var tv = [];
 163         Roo.each(vals, function(k) {
 164             var r = this.findRecord(this.valueField, k);
 165             if(r){
 166                 tv.push(r.data[this.displayField]);
 167             }else if(this.valueNotFoundText !== undefined){
 168                 tv.push( this.valueNotFoundText );
 169             }
 170         },this);
 171        // Roo.log(tv);
 172
 173         Roo.form.ComboBox.superclass.setValue.call(this, tv.join(', '));
 174         this.hiddenField.value = v;
 175         this.value = v;
 176     }
 177
 178 });