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