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diff --git a/src/js/view/mxGraphSelectionModel.js b/src/js/view/mxGraphSelectionModel.js
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index 5cd16a8..0000000
--- a/src/js/view/mxGraphSelectionModel.js
+++ /dev/null
@@ -1,435 +0,0 @@
-/**
- * $Id: mxGraphSelectionModel.js,v 1.14 2011-11-25 10:16:08 gaudenz Exp $
- * Copyright (c) 2006-2010, JGraph Ltd
- */
-/**
- * Class: mxGraphSelectionModel
- *
- * Implements the selection model for a graph. Here is a listener that handles
- * all removed selection cells.
- * 
- * (code)
- * graph.getSelectionModel().addListener(mxEvent.CHANGE, function(sender, evt)
- * {
- *   var cells = evt.getProperty('added');
- *   
- *   for (var i = 0; i < cells.length; i++)
- *   {
- *     // Handle cells[i]...
- *   }
- * });
- * (end)
- * 
- * Event: mxEvent.UNDO
- * 
- * Fires after the selection was changed in <changeSelection>. The
- * <code>edit</code> property contains the <mxUndoableEdit> which contains the
- * <mxSelectionChange>.
- * 
- * Event: mxEvent.CHANGE
- * 
- * Fires after the selection changes by executing an <mxSelectionChange>. The
- * <code>added</code> and <code>removed</code> properties contain arrays of
- * cells that have been added to or removed from the selection, respectively.
- * 
- * Constructor: mxGraphSelectionModel
- *
- * Constructs a new graph selection model for the given <mxGraph>.
- * 
- * Parameters:
- * 
- * graph - Reference to the enclosing <mxGraph>.
- */
-function mxGraphSelectionModel(graph)
-{
-	this.graph = graph;
-	this.cells = [];
-};
-
-/**
- * Extends mxEventSource.
- */
-mxGraphSelectionModel.prototype = new mxEventSource();
-mxGraphSelectionModel.prototype.constructor = mxGraphSelectionModel;
-
-/**
- * Variable: doneResource
- * 
- * Specifies the resource key for the status message after a long operation.
- * If the resource for this key does not exist then the value is used as
- * the status message. Default is 'done'.
- */
-mxGraphSelectionModel.prototype.doneResource = (mxClient.language != 'none') ? 'done' : '';
-
-/**
- * Variable: updatingSelectionResource
- *
- * Specifies the resource key for the status message while the selection is
- * being updated. If the resource for this key does not exist then the
- * value is used as the status message. Default is 'updatingSelection'.
- */
-mxGraphSelectionModel.prototype.updatingSelectionResource = (mxClient.language != 'none') ? 'updatingSelection' : '';
-
-/**
- * Variable: graph
- * 
- * Reference to the enclosing <mxGraph>.
- */
-mxGraphSelectionModel.prototype.graph = null;
-
-/**
- * Variable: singleSelection
- *
- * Specifies if only one selected item at a time is allowed.
- * Default is false.
- */
-mxGraphSelectionModel.prototype.singleSelection = false;
-
-/**
- * Function: isSingleSelection
- *
- * Returns <singleSelection> as a boolean.
- */
-mxGraphSelectionModel.prototype.isSingleSelection = function()
-{
-	return this.singleSelection;
-};
-
-/**
- * Function: setSingleSelection
- *
- * Sets the <singleSelection> flag.
- * 
- * Parameters:
- * 
- * singleSelection - Boolean that specifies the new value for
- * <singleSelection>.
- */
-mxGraphSelectionModel.prototype.setSingleSelection = function(singleSelection)
-{
-	this.singleSelection = singleSelection;
-};
-
-/**
- * Function: isSelected
- *
- * Returns true if the given <mxCell> is selected.
- */
-mxGraphSelectionModel.prototype.isSelected = function(cell)
-{
-	if (cell != null)
-	{
-		return mxUtils.indexOf(this.cells, cell) >= 0;
-	}
-	
-	return false;
-};
-
-/**
- * Function: isEmpty
- *
- * Returns true if no cells are currently selected.
- */
-mxGraphSelectionModel.prototype.isEmpty = function()
-{
-	return this.cells.length == 0;
-};
-
-/**
- * Function: clear
- *
- * Clears the selection and fires a <change> event if the selection was not
- * empty.
- */
-mxGraphSelectionModel.prototype.clear = function()
-{
-	this.changeSelection(null, this.cells);
-};
-
-/**
- * Function: setCell
- *
- * Selects the specified <mxCell> using <setCells>.
- * 
- * Parameters:
- * 
- * cell - <mxCell> to be selected.
- */
-mxGraphSelectionModel.prototype.setCell = function(cell)
-{
-	if (cell != null)
-	{
-		this.setCells([cell]);
-	}
-};
-
-/**
- * Function: setCells
- *
- * Selects the given array of <mxCells> and fires a <change> event.
- * 
- * Parameters:
- * 
- * cells - Array of <mxCells> to be selected.
- */
-mxGraphSelectionModel.prototype.setCells = function(cells)
-{
-	if (cells != null)
-	{
-		if (this.singleSelection)
-		{
-			cells = [this.getFirstSelectableCell(cells)];
-		}
-	
-		var tmp = [];
-		
-		for (var i = 0; i < cells.length; i++)
-		{
-			if (this.graph.isCellSelectable(cells[i]))
-			{
-				tmp.push(cells[i]);
-			}	
-		}
-
-		this.changeSelection(tmp, this.cells);
-	}
-};
-
-/**
- * Function: getFirstSelectableCell
- *
- * Returns the first selectable cell in the given array of cells.
- */
-mxGraphSelectionModel.prototype.getFirstSelectableCell = function(cells)
-{
-	if (cells != null)
-	{
-		for (var i = 0; i < cells.length; i++)
-		{
-			if (this.graph.isCellSelectable(cells[i]))
-			{
-				return cells[i];
-			}
-		}
-	}
-	
-	return null;
-};
-
-/**
- * Function: addCell
- * 
- * Adds the given <mxCell> to the selection and fires a <select> event.
- * 
- * Parameters:
- * 
- * cell - <mxCell> to add to the selection.
- */
-mxGraphSelectionModel.prototype.addCell = function(cell)
-{
-	if (cell != null)
-	{
-		this.addCells([cell]);
-	}
-};
-
-/**
- * Function: addCells
- * 
- * Adds the given array of <mxCells> to the selection and fires a <select>
- * event.
- * 
- * Parameters:
- * 
- * cells - Array of <mxCells> to add to the selection.
- */
-mxGraphSelectionModel.prototype.addCells = function(cells)
-{
-	if (cells != null)
-	{
-		var remove = null;
-		
-		if (this.singleSelection)
-		{
-			remove = this.cells;
-			cells = [this.getFirstSelectableCell(cells)];
-		}
-
-		var tmp = [];
-		
-		for (var i = 0; i < cells.length; i++)
-		{
-			if (!this.isSelected(cells[i]) &&
-				this.graph.isCellSelectable(cells[i]))
-			{
-				tmp.push(cells[i]);
-			}	
-		}
-
-		this.changeSelection(tmp, remove);
-	}
-};
-
-/**
- * Function: removeCell
- *
- * Removes the specified <mxCell> from the selection and fires a <select>
- * event for the remaining cells.
- * 
- * Parameters:
- * 
- * cell - <mxCell> to remove from the selection.
- */
-mxGraphSelectionModel.prototype.removeCell = function(cell)
-{
-	if (cell != null)
-	{
-		this.removeCells([cell]);
-	}
-};
-
-/**
- * Function: removeCells
- */
-mxGraphSelectionModel.prototype.removeCells = function(cells)
-{
-	if (cells != null)
-	{
-		var tmp = [];
-		
-		for (var i = 0; i < cells.length; i++)
-		{
-			if (this.isSelected(cells[i]))
-			{
-				tmp.push(cells[i]);
-			}
-		}
-		
-		this.changeSelection(null, tmp);	
-	}
-};
-
-/**
- * Function: changeSelection
- *
- * Inner callback to add the specified <mxCell> to the selection. No event
- * is fired in this implementation.
- * 
- * Paramters:
- * 
- * cell - <mxCell> to add to the selection.
- */
-mxGraphSelectionModel.prototype.changeSelection = function(added, removed)
-{
-	if ((added != null &&
-		added.length > 0 &&
-		added[0] != null) ||
-		(removed != null &&
-		removed.length > 0 &&
-		removed[0] != null))
-	{
-		var change = new mxSelectionChange(this, added, removed);
-		change.execute();
-		var edit = new mxUndoableEdit(this, false);
-		edit.add(change);
-		this.fireEvent(new mxEventObject(mxEvent.UNDO, 'edit', edit));
-	}
-};
-
-/**
- * Function: cellAdded
- *
- * Inner callback to add the specified <mxCell> to the selection. No event
- * is fired in this implementation.
- * 
- * Paramters:
- * 
- * cell - <mxCell> to add to the selection.
- */
-mxGraphSelectionModel.prototype.cellAdded = function(cell)
-{
-	if (cell != null &&
-		!this.isSelected(cell))
-	{
-		this.cells.push(cell);
-	}
-};
-
-/**
- * Function: cellRemoved
- *
- * Inner callback to remove the specified <mxCell> from the selection. No
- * event is fired in this implementation.
- * 
- * Parameters:
- * 
- * cell - <mxCell> to remove from the selection.
- */
-mxGraphSelectionModel.prototype.cellRemoved = function(cell)
-{
-	if (cell != null)
-	{
-		var index = mxUtils.indexOf(this.cells, cell);
-		
-		if (index >= 0)
-		{
-			this.cells.splice(index, 1);
-		}
-	}
-};
-
-/**
- * Class: mxSelectionChange
- *
- * Action to change the current root in a view.
- *
- * Constructor: mxCurrentRootChange
- *
- * Constructs a change of the current root in the given view.
- */
-function mxSelectionChange(selectionModel, added, removed)
-{
-	this.selectionModel = selectionModel;
-	this.added = (added != null) ? added.slice() : null;
-	this.removed = (removed != null) ? removed.slice() : null;
-};
-
-/**
- * Function: execute
- *
- * Changes the current root of the view.
- */
-mxSelectionChange.prototype.execute = function()
-{
-	var t0 = mxLog.enter('mxSelectionChange.execute');
-	window.status = mxResources.get(
-		this.selectionModel.updatingSelectionResource) ||
-		this.selectionModel.updatingSelectionResource;
-
-	if (this.removed != null)
-	{
-		for (var i = 0; i < this.removed.length; i++)
-		{
-			this.selectionModel.cellRemoved(this.removed[i]);
-		}
-	}
-
-	if (this.added != null)
-	{
-		for (var i = 0; i < this.added.length; i++)
-		{
-			this.selectionModel.cellAdded(this.added[i]);
-		}
-	}
-	
-	var tmp = this.added;
-	this.added = this.removed;
-	this.removed = tmp;
-
-	window.status = mxResources.get(this.selectionModel.doneResource) ||
-		this.selectionModel.doneResource;
-	mxLog.leave('mxSelectionChange.execute', t0);
-	
-	this.selectionModel.fireEvent(new mxEventObject(mxEvent.CHANGE,
-			'added', this.added, 'removed', this.removed));
-};