root / trunk / web / dojo / dojox / grid / Selection.js @ 12
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.grid.Selection"]){ |
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| 9 | dojo._hasResource["dojox.grid.Selection"]=true; |
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| 10 | dojo.provide("dojox.grid.Selection");
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| 11 | dojo.declare("dojox.grid.Selection",null,{constructor:function(_1){ |
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| 12 | this.grid=_1;
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| 13 | this.selected=[];
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| 14 | this.setMode(_1.selectionMode);
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| 15 | },mode:"extended",selected:null,updating:0,selectedIndex:-1,setMode:function(_2){ |
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| 16 | if(this.selected.length){ |
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| 17 | this.deselectAll();
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| 18 | } |
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| 19 | if(_2!="extended"&&_2!="multiple"&&_2!="single"&&_2!="none"){ |
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| 20 | this.mode="extended"; |
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| 21 | }else{
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| 22 | this.mode=_2;
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| 23 | } |
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| 24 | },onCanSelect:function(_3){ |
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| 25 | return this.grid.onCanSelect(_3); |
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| 26 | },onCanDeselect:function(_4){ |
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| 27 | return this.grid.onCanDeselect(_4); |
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| 28 | },onSelected:function(_5){ |
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| 29 | },onDeselected:function(_6){ |
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| 30 | },onChanging:function(){ |
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| 31 | },onChanged:function(){ |
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| 32 | },isSelected:function(_7){ |
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| 33 | if(this.mode=="none"){ |
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| 34 | return false; |
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| 35 | } |
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| 36 | return this.selected[_7]; |
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| 37 | },getFirstSelected:function(){ |
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| 38 | if(!this.selected.length||this.mode=="none"){ |
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| 39 | return -1; |
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| 40 | } |
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| 41 | for(var i=0,l=this.selected.length;i<l;i++){ |
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| 42 | if(this.selected[i]){ |
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| 43 | return i;
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| 44 | } |
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| 45 | } |
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| 46 | return -1; |
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| 47 | },getNextSelected:function(_8){ |
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| 48 | if(this.mode=="none"){ |
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| 49 | return -1; |
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| 50 | } |
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| 51 | for(var i=_8+1,l=this.selected.length;i<l;i++){ |
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| 52 | if(this.selected[i]){ |
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| 53 | return i;
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| 54 | } |
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| 55 | } |
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| 56 | return -1; |
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| 57 | },getSelected:function(){ |
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| 58 | var _9=[];
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| 59 | for(var i=0,l=this.selected.length;i<l;i++){ |
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| 60 | if(this.selected[i]){ |
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| 61 | _9.push(i); |
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| 62 | } |
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| 63 | } |
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| 64 | return _9;
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| 65 | },getSelectedCount:function(){ |
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| 66 | var c=0; |
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| 67 | for(var i=0;i<this.selected.length;i++){ |
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| 68 | if(this.selected[i]){ |
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| 69 | c++; |
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| 70 | } |
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| 71 | } |
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| 72 | return c;
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| 73 | },_beginUpdate:function(){ |
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| 74 | if(this.updating===0){ |
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| 75 | this.onChanging();
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| 76 | } |
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| 77 | this.updating++;
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| 78 | },_endUpdate:function(){ |
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| 79 | this.updating--;
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| 80 | if(this.updating===0){ |
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| 81 | this.onChanged();
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| 82 | } |
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| 83 | },select:function(_a){ |
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| 84 | if(this.mode=="none"){ |
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| 85 | return;
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| 86 | } |
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| 87 | if(this.mode!="multiple"){ |
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| 88 | this.deselectAll(_a);
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| 89 | this.addToSelection(_a);
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| 90 | }else{
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| 91 | this.toggleSelect(_a);
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| 92 | } |
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| 93 | },addToSelection:function(_b){ |
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| 94 | if(this.mode=="none"){ |
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| 95 | return;
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| 96 | } |
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| 97 | if(dojo.isArray(_b)){
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| 98 | dojo.forEach(_b,this.addToSelection,this); |
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| 99 | return;
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| 100 | } |
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| 101 | _b=Number(_b); |
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| 102 | if(this.selected[_b]){ |
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| 103 | this.selectedIndex=_b;
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| 104 | }else{
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| 105 | if(this.onCanSelect(_b)!==false){ |
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| 106 | this.selectedIndex=_b;
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| 107 | var _c=this.grid.getRowNode(_b); |
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| 108 | if(_c){
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| 109 | dojo.attr(_c,"aria-selected","true"); |
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| 110 | } |
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| 111 | this._beginUpdate();
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| 112 | this.selected[_b]=true; |
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| 113 | this.onSelected(_b);
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| 114 | this._endUpdate();
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| 115 | } |
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| 116 | } |
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| 117 | },deselect:function(_d){ |
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| 118 | if(this.mode=="none"){ |
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| 119 | return;
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| 120 | } |
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| 121 | if(dojo.isArray(_d)){
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| 122 | dojo.forEach(_d,this.deselect,this); |
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| 123 | return;
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| 124 | } |
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| 125 | _d=Number(_d); |
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| 126 | if(this.selectedIndex==_d){ |
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| 127 | this.selectedIndex=-1; |
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| 128 | } |
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| 129 | if(this.selected[_d]){ |
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| 130 | if(this.onCanDeselect(_d)===false){ |
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| 131 | return;
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| 132 | } |
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| 133 | var _e=this.grid.getRowNode(_d); |
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| 134 | if(_e){
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| 135 | dojo.attr(_e,"aria-selected","false"); |
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| 136 | } |
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| 137 | this._beginUpdate();
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| 138 | delete this.selected[_d]; |
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| 139 | this.onDeselected(_d);
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| 140 | this._endUpdate();
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| 141 | } |
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| 142 | },setSelected:function(_f,_10){ |
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| 143 | this[(_10?"addToSelection":"deselect")](_f); |
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| 144 | },toggleSelect:function(_11){ |
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| 145 | if(dojo.isArray(_11)){
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| 146 | dojo.forEach(_11,this.toggleSelect,this); |
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| 147 | return;
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| 148 | } |
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| 149 | this.setSelected(_11,!this.selected[_11]); |
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| 150 | },_range:function(_12,_13,_14){ |
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| 151 | var s=(_12>=0?_12:_13),e=_13; |
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| 152 | if(s>e){
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| 153 | e=s; |
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| 154 | s=_13; |
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| 155 | } |
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| 156 | for(var i=s;i<=e;i++){ |
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| 157 | _14(i); |
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| 158 | } |
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| 159 | },selectRange:function(_15,_16){ |
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| 160 | this._range(_15,_16,dojo.hitch(this,"addToSelection")); |
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| 161 | },deselectRange:function(_17,_18){ |
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| 162 | this._range(_17,_18,dojo.hitch(this,"deselect")); |
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| 163 | },insert:function(_19){ |
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| 164 | this.selected.splice(_19,0,false); |
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| 165 | if(this.selectedIndex>=_19){ |
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| 166 | this.selectedIndex++;
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| 167 | } |
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| 168 | },remove:function(_1a){ |
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| 169 | this.selected.splice(_1a,1); |
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| 170 | if(this.selectedIndex>=_1a){ |
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| 171 | this.selectedIndex--;
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| 172 | } |
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| 173 | },deselectAll:function(_1b){ |
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| 174 | for(var i in this.selected){ |
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| 175 | if((i!=_1b)&&(this.selected[i]===true)){ |
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| 176 | this.deselect(i);
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| 177 | } |
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| 178 | } |
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| 179 | },clickSelect:function(_1c,_1d,_1e){ |
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| 180 | if(this.mode=="none"){ |
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| 181 | return;
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| 182 | } |
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| 183 | this._beginUpdate();
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| 184 | if(this.mode!="extended"){ |
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| 185 | this.select(_1c);
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| 186 | }else{
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| 187 | var _1f=this.selectedIndex; |
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| 188 | if(!_1d){
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| 189 | this.deselectAll(_1c);
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| 190 | } |
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| 191 | if(_1e){
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| 192 | this.selectRange(_1f,_1c);
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| 193 | }else{
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| 194 | if(_1d){
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| 195 | this.toggleSelect(_1c);
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| 196 | }else{
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| 197 | this.addToSelection(_1c);
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| 198 | } |
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| 199 | } |
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| 200 | } |
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| 201 | this._endUpdate();
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| 202 | },clickSelectEvent:function(e){ |
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| 203 | this.clickSelect(e.rowIndex,dojo.isCopyKey(e),e.shiftKey);
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| 204 | },clear:function(){ |
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| 205 | this._beginUpdate();
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| 206 | this.deselectAll();
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| 207 | this._endUpdate();
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| 208 | }}); |
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| 209 | } |