lib/dojo/dnd/Selector.js

   1 /*
   2         Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 if(!dojo._hasResource["dojo.dnd.Selector"]){
   9 dojo._hasResource["dojo.dnd.Selector"]=true;
  10 dojo.provide("dojo.dnd.Selector");
  11 dojo.require("dojo.dnd.common");
  12 dojo.require("dojo.dnd.Container");
  13 dojo.declare("dojo.dnd.Selector",dojo.dnd.Container,{constructor:function(_1,_2){
  14 if(!_2){
  15 _2={};
  16 }
  17 this.singular=_2.singular;
  18 this.autoSync=_2.autoSync;
  19 this.selection={};
  20 this.anchor=null;
  21 this.simpleSelection=false;
  22 this.events.push(dojo.connect(this.node,"onmousedown",this,"onMouseDown"),dojo.connect(this.node,"onmouseup",this,"onMouseUp"));
  23 },singular:false,getSelectedNodes:function(){
  24 var t=new dojo.NodeList();
  25 var e=dojo.dnd._empty;
  26 for(var i in this.selection){
  27 if(i in e){
  28 continue;
  29 }
  30 t.push(dojo.byId(i));
  31 }
  32 return t;
  33 },selectNone:function(){
  34 return this._removeSelection()._removeAnchor();
  35 },selectAll:function(){
  36 this.forInItems(function(_3,id){
  37 this._addItemClass(dojo.byId(id),"Selected");
  38 this.selection[id]=1;
  39 },this);
  40 return this._removeAnchor();
  41 },deleteSelectedNodes:function(){
  42 var e=dojo.dnd._empty;
  43 for(var i in this.selection){
  44 if(i in e){
  45 continue;
  46 }
  47 var n=dojo.byId(i);
  48 this.delItem(i);
  49 dojo.destroy(n);
  50 }
  51 this.anchor=null;
  52 this.selection={};
  53 return this;
  54 },forInSelectedItems:function(f,o){
  55 o=o||dojo.global;
  56 var s=this.selection,e=dojo.dnd._empty;
  57 for(var i in s){
  58 if(i in e){
  59 continue;
  60 }
  61 f.call(o,this.getItem(i),i,this);
  62 }
  63 },sync:function(){
  64 dojo.dnd.Selector.superclass.sync.call(this);
  65 if(this.anchor){
  66 if(!this.getItem(this.anchor.id)){
  67 this.anchor=null;
  68 }
  69 }
  70 var t=[],e=dojo.dnd._empty;
  71 for(var i in this.selection){
  72 if(i in e){
  73 continue;
  74 }
  75 if(!this.getItem(i)){
  76 t.push(i);
  77 }
  78 }
  79 dojo.forEach(t,function(i){
  80 delete this.selection[i];
  81 },this);
  82 return this;
  83 },insertNodes:function(_4,_5,_6,_7){
  84 var _8=this._normalizedCreator;
  85 this._normalizedCreator=function(_9,_a){
  86 var t=_8.call(this,_9,_a);
  87 if(_4){
  88 if(!this.anchor){
  89 this.anchor=t.node;
  90 this._removeItemClass(t.node,"Selected");
  91 this._addItemClass(this.anchor,"Anchor");
  92 }else{
  93 if(this.anchor!=t.node){
  94 this._removeItemClass(t.node,"Anchor");
  95 this._addItemClass(t.node,"Selected");
  96 }
  97 }
  98 this.selection[t.node.id]=1;
  99 }else{
 100 this._removeItemClass(t.node,"Selected");
 101 this._removeItemClass(t.node,"Anchor");
 102 }
 103 return t;
 104 };
 105 dojo.dnd.Selector.superclass.insertNodes.call(this,_5,_6,_7);
 106 this._normalizedCreator=_8;
 107 return this;
 108 },destroy:function(){
 109 dojo.dnd.Selector.superclass.destroy.call(this);
 110 this.selection=this.anchor=null;
 111 },markupFactory:function(_b,_c){
 112 _b._skipStartup=true;
 113 return new dojo.dnd.Selector(_c,_b);
 114 },onMouseDown:function(e){
 115 if(this.autoSync){
 116 this.sync();
 117 }
 118 if(!this.current){
 119 return;
 120 }
 121 if(!this.singular&&!dojo.isCopyKey(e)&&!e.shiftKey&&(this.current.id in this.selection)){
 122 this.simpleSelection=true;
 123 if(e.button===dojo.mouseButtons.LEFT){
 124 dojo.stopEvent(e);
 125 }
 126 return;
 127 }
 128 if(!this.singular&&e.shiftKey){
 129 if(!dojo.isCopyKey(e)){
 130 this._removeSelection();
 131 }
 132 var c=this.getAllNodes();
 133 if(c.length){
 134 if(!this.anchor){
 135 this.anchor=c[0];
 136 this._addItemClass(this.anchor,"Anchor");
 137 }
 138 this.selection[this.anchor.id]=1;
 139 if(this.anchor!=this.current){
 140 var i=0;
 141 for(;i<c.length;++i){
 142 var _d=c[i];
 143 if(_d==this.anchor||_d==this.current){
 144 break;
 145 }
 146 }
 147 for(++i;i<c.length;++i){
 148 var _d=c[i];
 149 if(_d==this.anchor||_d==this.current){
 150 break;
 151 }
 152 this._addItemClass(_d,"Selected");
 153 this.selection[_d.id]=1;
 154 }
 155 this._addItemClass(this.current,"Selected");
 156 this.selection[this.current.id]=1;
 157 }
 158 }
 159 }else{
 160 if(this.singular){
 161 if(this.anchor==this.current){
 162 if(dojo.isCopyKey(e)){
 163 this.selectNone();
 164 }
 165 }else{
 166 this.selectNone();
 167 this.anchor=this.current;
 168 this._addItemClass(this.anchor,"Anchor");
 169 this.selection[this.current.id]=1;
 170 }
 171 }else{
 172 if(dojo.isCopyKey(e)){
 173 if(this.anchor==this.current){
 174 delete this.selection[this.anchor.id];
 175 this._removeAnchor();
 176 }else{
 177 if(this.current.id in this.selection){
 178 this._removeItemClass(this.current,"Selected");
 179 delete this.selection[this.current.id];
 180 }else{
 181 if(this.anchor){
 182 this._removeItemClass(this.anchor,"Anchor");
 183 this._addItemClass(this.anchor,"Selected");
 184 }
 185 this.anchor=this.current;
 186 this._addItemClass(this.current,"Anchor");
 187 this.selection[this.current.id]=1;
 188 }
 189 }
 190 }else{
 191 if(!(this.current.id in this.selection)){
 192 this.selectNone();
 193 this.anchor=this.current;
 194 this._addItemClass(this.current,"Anchor");
 195 this.selection[this.current.id]=1;
 196 }
 197 }
 198 }
 199 }
 200 dojo.stopEvent(e);
 201 },onMouseUp:function(e){
 202 if(!this.simpleSelection){
 203 return;
 204 }
 205 this.simpleSelection=false;
 206 this.selectNone();
 207 if(this.current){
 208 this.anchor=this.current;
 209 this._addItemClass(this.anchor,"Anchor");
 210 this.selection[this.current.id]=1;
 211 }
 212 },onMouseMove:function(e){
 213 this.simpleSelection=false;
 214 },onOverEvent:function(){
 215 this.onmousemoveEvent=dojo.connect(this.node,"onmousemove",this,"onMouseMove");
 216 },onOutEvent:function(){
 217 dojo.disconnect(this.onmousemoveEvent);
 218 delete this.onmousemoveEvent;
 219 },_removeSelection:function(){
 220 var e=dojo.dnd._empty;
 221 for(var i in this.selection){
 222 if(i in e){
 223 continue;
 224 }
 225 var _e=dojo.byId(i);
 226 if(_e){
 227 this._removeItemClass(_e,"Selected");
 228 }
 229 }
 230 this.selection={};
 231 return this;
 232 },_removeAnchor:function(){
 233 if(this.anchor){
 234 this._removeItemClass(this.anchor,"Anchor");
 235 this.anchor=null;
 236 }
 237 return this;
 238 }});
 239 }