lib/dijit/tree/_dndSelector.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["dijit.tree._dndSelector"]){
   9 dojo._hasResource["dijit.tree._dndSelector"]=true;
  10 dojo.provide("dijit.tree._dndSelector");
  11 dojo.require("dojo.dnd.common");
  12 dojo.require("dijit.tree._dndContainer");
  13 dojo.declare("dijit.tree._dndSelector",dijit.tree._dndContainer,{constructor:function(_1,_2){
  14 this.selection={};
  15 this.anchor=null;
  16 this.simpleSelection=false;
  17 this.events.push(dojo.connect(this.tree.domNode,"onmousedown",this,"onMouseDown"),dojo.connect(this.tree.domNode,"onmouseup",this,"onMouseUp"),dojo.connect(this.tree.domNode,"onmousemove",this,"onMouseMove"));
  18 },singular:false,getSelectedNodes:function(){
  19 return this.selection;
  20 },selectNone:function(){
  21 return this._removeSelection()._removeAnchor();
  22 },destroy:function(){
  23 this.inherited(arguments);
  24 this.selection=this.anchor=null;
  25 },onMouseDown:function(e){
  26 if(!this.current){
  27 return;
  28 }
  29 if(e.button==dojo.mouseButtons.RIGHT){
  30 return;
  31 }
  32 var _3=dijit.getEnclosingWidget(this.current),id=_3.id+"-dnd";
  33 if(!dojo.hasAttr(this.current,"id")){
  34 dojo.attr(this.current,"id",id);
  35 }
  36 if(!this.singular&&!dojo.isCopyKey(e)&&!e.shiftKey&&(this.current.id in this.selection)){
  37 this.simpleSelection=true;
  38 dojo.stopEvent(e);
  39 return;
  40 }
  41 if(this.singular){
  42 if(this.anchor==this.current){
  43 if(dojo.isCopyKey(e)){
  44 this.selectNone();
  45 }
  46 }else{
  47 this.selectNone();
  48 this.anchor=this.current;
  49 this._addItemClass(this.anchor,"Anchor");
  50 this.selection[this.current.id]=this.current;
  51 }
  52 }else{
  53 if(!this.singular&&e.shiftKey){
  54 if(dojo.isCopyKey(e)){
  55 }else{
  56 }
  57 }else{
  58 if(dojo.isCopyKey(e)){
  59 if(this.anchor==this.current){
  60 delete this.selection[this.anchor.id];
  61 this._removeAnchor();
  62 }else{
  63 if(this.current.id in this.selection){
  64 this._removeItemClass(this.current,"Selected");
  65 delete this.selection[this.current.id];
  66 }else{
  67 if(this.anchor){
  68 this._removeItemClass(this.anchor,"Anchor");
  69 this._addItemClass(this.anchor,"Selected");
  70 }
  71 this.anchor=this.current;
  72 this._addItemClass(this.current,"Anchor");
  73 this.selection[this.current.id]=this.current;
  74 }
  75 }
  76 }else{
  77 if(!(id in this.selection)){
  78 this.selectNone();
  79 this.anchor=this.current;
  80 this._addItemClass(this.current,"Anchor");
  81 this.selection[id]=this.current;
  82 }
  83 }
  84 }
  85 }
  86 dojo.stopEvent(e);
  87 },onMouseUp:function(e){
  88 if(!this.simpleSelection){
  89 return;
  90 }
  91 this.simpleSelection=false;
  92 this.selectNone();
  93 if(this.current){
  94 this.anchor=this.current;
  95 this._addItemClass(this.anchor,"Anchor");
  96 this.selection[this.current.id]=this.current;
  97 }
  98 },onMouseMove:function(e){
  99 this.simpleSelection=false;
 100 },_removeSelection:function(){
 101 var e=dojo.dnd._empty;
 102 for(var i in this.selection){
 103 if(i in e){
 104 continue;
 105 }
 106 var _4=dojo.byId(i);
 107 if(_4){
 108 this._removeItemClass(_4,"Selected");
 109 }
 110 }
 111 this.selection={};
 112 return this;
 113 },_removeAnchor:function(){
 114 if(this.anchor){
 115 this._removeItemClass(this.anchor,"Anchor");
 116 this.anchor=null;
 117 }
 118 return this;
 119 },forInSelectedItems:function(f,o){
 120 o=o||dojo.global;
 121 for(var id in this.selection){
 122 f.call(o,this.getItem(id),id,this);
 123 }
 124 }});
 125 }