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diff --git a/src/js/view/mxCellState.js b/src/js/view/mxCellState.js
deleted file mode 100644
index 7e7a3b0..0000000
--- a/src/js/view/mxCellState.js
+++ /dev/null
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-/**
- * $Id: mxCellState.js,v 1.42 2012-03-19 10:47:08 gaudenz Exp $
- * Copyright (c) 2006-2010, JGraph Ltd
- */
-/**
- * Class: mxCellState
- * 
- * Represents the current state of a cell in a given <mxGraphView>.
- * 
- * For edges, the edge label position is stored in <absoluteOffset>.
- * 
- * The size for oversize labels can be retrieved using the boundingBox property
- * of the <text> field as shown below.
- * 
- * (code)
- * var bbox = (state.text != null) ? state.text.boundingBox : null;
- * (end)
- * 
- * Constructor: mxCellState
- * 
- * Constructs a new object that represents the current state of the given
- * cell in the specified view.
- * 
- * Parameters:
- * 
- * view - <mxGraphView> that contains the state.
- * cell - <mxCell> that this state represents.
- * style - Array of key, value pairs that constitute the style.
- */
-function mxCellState(view, cell, style)
-{
-	this.view = view;
-	this.cell = cell;
-	this.style = style;
-	
-	this.origin = new mxPoint();
-	this.absoluteOffset = new mxPoint();
-};
-
-/**
- * Extends mxRectangle.
- */
-mxCellState.prototype = new mxRectangle();
-mxCellState.prototype.constructor = mxCellState;
-
-/**
- * Variable: view
- * 
- * Reference to the enclosing <mxGraphView>.
- */
-mxCellState.prototype.view = null;
-
-/**
- * Variable: cell
- *
- * Reference to the <mxCell> that is represented by this state.
- */
-mxCellState.prototype.cell = null;
-
-/**
- * Variable: style
- * 
- * Contains an array of key, value pairs that represent the style of the
- * cell.
- */
-mxCellState.prototype.style = null;
-
-/**
- * Variable: invalid
- * 
- * Specifies if the state is invalid. Default is true.
- */
-mxCellState.prototype.invalid = true;
-
-/**
- * Variable: invalidOrder
- * 
- * Specifies if the cell has an invalid order. For internal use. Default is
- * false.
- */
-mxCellState.prototype.invalidOrder = false;
-
-/**
- * Variable: orderChanged
- * 
- * Specifies if the cell has changed order and the display needs to be
- * updated.
- */
-mxCellState.prototype.orderChanged = false;
-
-/**
- * Variable: origin
- *
- * <mxPoint> that holds the origin for all child cells. Default is a new
- * empty <mxPoint>.
- */
-mxCellState.prototype.origin = null;
-
-/**
- * Variable: absolutePoints
- * 
- * Holds an array of <mxPoints> that represent the absolute points of an
- * edge.
- */
-mxCellState.prototype.absolutePoints = null;
-
-/**
- * Variable: absoluteOffset
- *
- * <mxPoint> that holds the absolute offset. For edges, this is the
- * absolute coordinates of the label position. For vertices, this is the
- * offset of the label relative to the top, left corner of the vertex. 
- */
-mxCellState.prototype.absoluteOffset = null;
-
-/**
- * Variable: visibleSourceState
- * 
- * Caches the visible source terminal state.
- */
-mxCellState.prototype.visibleSourceState = null;
-
-/**
- * Variable: visibleTargetState
- * 
- * Caches the visible target terminal state.
- */
-mxCellState.prototype.visibleTargetState = null;
-
-/**
- * Variable: terminalDistance
- * 
- * Caches the distance between the end points for an edge.
- */
-mxCellState.prototype.terminalDistance = 0;
-
-/**
- * Variable: length
- *
- * Caches the length of an edge.
- */
-mxCellState.prototype.length = 0;
-
-/**
- * Variable: segments
- * 
- * Array of numbers that represent the cached length of each segment of the
- * edge.
- */
-mxCellState.prototype.segments = null;
-
-/**
- * Variable: shape
- * 
- * Holds the <mxShape> that represents the cell graphically.
- */
-mxCellState.prototype.shape = null;
-
-/**
- * Variable: text
- * 
- * Holds the <mxText> that represents the label of the cell. Thi smay be
- * null if the cell has no label.
- */
-mxCellState.prototype.text = null;
-
-/**
- * Function: getPerimeterBounds
- * 
- * Returns the <mxRectangle> that should be used as the perimeter of the
- * cell.
- * 
- * Parameters:
- * 
- * border - Optional border to be added around the perimeter bounds.
- * bounds - Optional <mxRectangle> to be used as the initial bounds.
- */
-mxCellState.prototype.getPerimeterBounds = function (border, bounds)
-{
-	border = border || 0;
-	bounds = (bounds != null) ? bounds : new mxRectangle(this.x, this.y, this.width, this.height);
-	
-	if (this.shape != null && this.shape.stencil != null)
-	{
-		var aspect = this.shape.stencil.computeAspect(this, bounds, null);
-		
-		bounds.x = aspect.x;
-		bounds.y = aspect.y;
-		bounds.width = this.shape.stencil.w0 * aspect.width;
-		bounds.height = this.shape.stencil.h0 * aspect.height;
-	}
-	
-	if (border != 0)
-	{
-		bounds.grow(border);
-	}
-	
-	return bounds;
-};
-
-/**
- * Function: setAbsoluteTerminalPoint
- * 
- * Sets the first or last point in <absolutePoints> depending on isSource.
- * 
- * Parameters:
- * 
- * point - <mxPoint> that represents the terminal point.
- * isSource - Boolean that specifies if the first or last point should
- * be assigned.
- */
-mxCellState.prototype.setAbsoluteTerminalPoint = function (point, isSource)
-{
-	if (isSource)
-	{
-		if (this.absolutePoints == null)
-		{
-			this.absolutePoints = [];
-		}
-		
-		if (this.absolutePoints.length == 0)
-		{
-			this.absolutePoints.push(point);
-		}
-		else
-		{
-			this.absolutePoints[0] = point;
-		}
-	}
-	else
-	{
-		if (this.absolutePoints == null)
-		{
-			this.absolutePoints = [];
-			this.absolutePoints.push(null);
-			this.absolutePoints.push(point);
-		}
-		else if (this.absolutePoints.length == 1)
-		{
-			this.absolutePoints.push(point);
-		}
-		else
-		{
-			this.absolutePoints[this.absolutePoints.length - 1] = point;
-		}
-	}
-};
-
-/**
- * Function: setCursor
- * 
- * Sets the given cursor on the shape and text shape.
- */
-mxCellState.prototype.setCursor = function (cursor)
-{
-	if (this.shape != null)
-	{
-		this.shape.setCursor(cursor);
-	}
-	
-	if (this.text != null)
-	{
-		this.text.setCursor(cursor);
-	}
-};
-
-/**
- * Function: getVisibleTerminal
- * 
- * Returns the visible source or target terminal cell.
- * 
- * Parameters:
- * 
- * source - Boolean that specifies if the source or target cell should be
- * returned.
- */
-mxCellState.prototype.getVisibleTerminal = function (source)
-{
-	var tmp = this.getVisibleTerminalState(source);
-	
-	return (tmp != null) ? tmp.cell : null;
-};
-
-/**
- * Function: getVisibleTerminalState
- * 
- * Returns the visible source or target terminal state.
- * 
- * Parameters:
- * 
- * source - Boolean that specifies if the source or target state should be
- * returned.
- */
-mxCellState.prototype.getVisibleTerminalState = function (source)
-{
-	return (source) ? this.visibleSourceState : this.visibleTargetState;
-};
-
-/**
- * Function: setVisibleTerminalState
- * 
- * Sets the visible source or target terminal state.
- * 
- * Parameters:
- * 
- * terminalState - <mxCellState> that represents the terminal.
- * source - Boolean that specifies if the source or target state should be set.
- */
-mxCellState.prototype.setVisibleTerminalState = function (terminalState, source)
-{
-	if (source)
-	{
-		this.visibleSourceState = terminalState;
-	}
-	else
-	{
-		this.visibleTargetState = terminalState;
-	}
-};
-
-/**
- * Destructor: destroy
- * 
- * Destroys the state and all associated resources.
- */
-mxCellState.prototype.destroy = function ()
-{
-	this.view.graph.cellRenderer.destroy(this);
-};
-
-/**
- * Function: clone
- *
- * Returns a clone of this <mxPoint>.
- */
-mxCellState.prototype.clone = function()
-{
- 	var clone = new mxCellState(this.view, this.cell, this.style);
-
-	// Clones the absolute points
-	if (this.absolutePoints != null)
-	{
-		clone.absolutePoints = [];
-		
-		for (var i = 0; i < this.absolutePoints.length; i++)
-		{
-			clone.absolutePoints[i] = this.absolutePoints[i].clone();
-		}
-	}
-
-	if (this.origin != null)
-	{
-		clone.origin = this.origin.clone();
-	}
-
-	if (this.absoluteOffset != null)
-	{
-		clone.absoluteOffset = this.absoluteOffset.clone();
-	}
-
-	if (this.boundingBox != null)
-	{
-		clone.boundingBox = this.boundingBox.clone();
-	}
-
-	clone.terminalDistance = this.terminalDistance;
-	clone.segments = this.segments;
-	clone.length = this.length;
-	clone.x = this.x;
-	clone.y = this.y;
-	clone.width = this.width;
-	clone.height = this.height;
-	
-	return clone;
-};