Roo/form/ComboCheck.js
[roojs1] / 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         
88     },
89     
90     onSelect : function(record, index){
91        // this is only called by the clear button now..
92        this.view.clearSelections();
93     },
94     getValueArray : function()
95     {
96         var ar = [] ;
97         try {
98             var ret = Roo.decode(this.value);
99             ret = typeof(ar) == 'Array' ? ar : []; //?? valid?
100             return ret;
101         } catch(e) {
102             Roo.log("Roo.form.ComboCheck:getValueArray  invalid data:" + this.getValue());
103             return [];
104         }
105          
106     },
107     
108     
109     collapse : function(){
110         Roo.form.ComboCheck.superclass.collapse.call(this);
111         var sl = this.view.getSelectedIndexes();
112         var st = this.store;
113         var nv = [];
114         var tv = [];
115         var r;
116         Roo.each(sl, function(i) {
117             r = st.getAt(i);
118             nv.push(r.get(this.valueField));
119             tv.push(r.get(this.displayField));
120         },this);
121         
122         this.hiddenField.value = Roo.encode(nv);
123         
124         Roo.form.ComboBox.superclass.setValue.call(this, tv.join(', '));
125         this.value = this.hiddenField.value;
126     },
127     
128     setValue : function(v){
129         Roo.log(v);
130         this.value = v;
131         
132         var vals = this.getValueArray();
133         Roo.each(vals, function(k) {
134             var r = this.findRecord(this.valueField, k);
135             if(r){
136                 text = r.data[this.displayField];
137             }else if(this.valueNotFoundText !== undefined){
138                 text = this.valueNotFoundText;
139             }
140         },this);
141         this.hiddenField.value = v;
142         
143         Roo.form.ComboBox.superclass.setValue.call(this, text);
144         this.value = v;
145     ,
146     
147 });