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2150 mathias 1 
if(!dojo._hasResource['dojox.grid._grid.selection']){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource['dojox.grid._grid.selection'] = true;
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dojo.provide('dojox.grid._grid.selection');
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dojo.declare("dojox.grid.selection", null, {
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	// summary:
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	//	Manages row selection for grid. Owned by grid and used internally
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	//	for selection. Override to implement custom selection.
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	constructor: function(inGrid){
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		this.grid = inGrid;
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		this.selected = [];
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	},
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	multiSelect: true,
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	selected: null,
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	updating: 0,
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	selectedIndex: -1,
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	onCanSelect: function(inIndex){
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		return this.grid.onCanSelect(inIndex);
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	},
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	onCanDeselect: function(inIndex){
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		return this.grid.onCanDeselect(inIndex);
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	},
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	onSelected: function(inIndex){
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		return this.grid.onSelected(inIndex);
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	},
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	onDeselected: function(inIndex){
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		return this.grid.onDeselected(inIndex);
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	},
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	//onSetSelected: function(inIndex, inSelect) { };
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	onChanging: function(){
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	},
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	onChanged: function(){
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		return this.grid.onSelectionChanged();
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	},
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	isSelected: function(inIndex){
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		return this.selected[inIndex];
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	},
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	getFirstSelected: function(){
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		for(var i=0, l=this.selected.length; i<l; i++){
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			if(this.selected[i]){
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				return i;
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			}
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		}
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		return -1;
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	},
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	getNextSelected: function(inPrev){
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		for(var i=inPrev+1, l=this.selected.length; i<l; i++){
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			if(this.selected[i]){
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				return i;
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			}
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		}
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		return -1;
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	},
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	getSelected: function(){
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		var result = [];
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		for(var i=0, l=this.selected.length; i<l; i++){
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			if(this.selected[i]){
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				result.push(i);
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			}
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		}
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		return result;
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	},
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	getSelectedCount: function(){
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		var c = 0;
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		for(var i=0; i<this.selected.length; i++){
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			if(this.selected[i]){
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				c++;
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			}
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		}
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		return c;
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	},
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	beginUpdate: function(){
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		if(this.updating == 0){
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			this.onChanging();
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		}
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		this.updating++;
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	},
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	endUpdate: function(){
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		this.updating--;
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		if(this.updating == 0){
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			this.onChanged();
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		}
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	},
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	select: function(inIndex){
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		this.unselectAll(inIndex);
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		this.addToSelection(inIndex);
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	},
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	addToSelection: function(inIndex){
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		inIndex = Number(inIndex);
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		if(this.selected[inIndex]){
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			this.selectedIndex = inIndex;
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		}else{
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			if(this.onCanSelect(inIndex) !== false){
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				this.selectedIndex = inIndex;
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				this.beginUpdate();
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				this.selected[inIndex] = true;
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				this.grid.onSelected(inIndex);
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				//this.onSelected(inIndex);
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				//this.onSetSelected(inIndex, true);
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				this.endUpdate();
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			}
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		}
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	},
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	deselect: function(inIndex){
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		inIndex = Number(inIndex);
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		if(this.selectedIndex == inIndex){
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			this.selectedIndex = -1;
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		}
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		if(this.selected[inIndex]){
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			if(this.onCanDeselect(inIndex) === false){
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				return;
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			}
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			this.beginUpdate();
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			delete this.selected[inIndex];
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			this.grid.onDeselected(inIndex);
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			//this.onDeselected(inIndex);
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			//this.onSetSelected(inIndex, false);
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			this.endUpdate();
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		}
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	},
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	setSelected: function(inIndex, inSelect){
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		this[(inSelect ? 'addToSelection' : 'deselect')](inIndex);
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	},
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	toggleSelect: function(inIndex){
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		this.setSelected(inIndex, !this.selected[inIndex])
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	},
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	insert: function(inIndex){
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		this.selected.splice(inIndex, 0, false);
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		if(this.selectedIndex >= inIndex){
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			this.selectedIndex++;
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		}
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	},
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	remove: function(inIndex){
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		this.selected.splice(inIndex, 1);
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		if(this.selectedIndex >= inIndex){
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			this.selectedIndex--;
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		}
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	},
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	unselectAll: function(inExcept){
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		for(var i in this.selected){
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			if((i!=inExcept)&&(this.selected[i]===true)){
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				this.deselect(i);
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			}
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		}
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	},
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	shiftSelect: function(inFrom, inTo){
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		var s = (inFrom >= 0 ? inFrom : inTo), e = inTo;
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		if(s > e){
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			e = s;
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			s = inTo;
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		}
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		for(var i=s; i<=e; i++){
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			this.addToSelection(i);
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		}
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	},
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	clickSelect: function(inIndex, inCtrlKey, inShiftKey){
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		this.beginUpdate();
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		if(!this.multiSelect){
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			this.select(inIndex);
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		}else{
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			var lastSelected = this.selectedIndex;
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			if(!inCtrlKey){
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				this.unselectAll(inIndex);
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			}
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			if(inShiftKey){
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				this.shiftSelect(lastSelected, inIndex);
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			}else if(inCtrlKey){
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				this.toggleSelect(inIndex);
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			}else{
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				this.addToSelection(inIndex)
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			}
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		}
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		this.endUpdate();
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	},
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	clickSelectEvent: function(e){
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		this.clickSelect(e.rowIndex, e.ctrlKey, e.shiftKey);
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	},
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	clear: function(){
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		this.beginUpdate();
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		this.unselectAll();
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		this.endUpdate();
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	}
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});
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}