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## com.mxgraph.view
Class mxCellState

    java.lang.Object
      com.mxgraph.util.mxPoint
          com.mxgraph.util.mxRectangle
              com.mxgraph.view.mxCellState

All Implemented Interfaces:
  Serializable, Cloneable

    public class mxCellState

extends mxRectangle

Represents the current state of a cell in a given graph view.

See Also:
  Serialized Form

Field Summary
`protected mxPoint` | `absoluteOffset` Holds the absolute offset.
`protected List<mxPoint>` | `absolutePoints` List of mxPoints that represent the absolute points of an edge.
`protected mxRectangle` | `boundingBox` Holds the largest rectangle which contains all rendering for this cell.
`protected Object` | `cell` Reference to the cell that is represented by this state.
`protected boolean` | `invalid` Specifies if the state is invalid.
`protected mxRectangle` | `labelBounds` Holds the rectangle which contains the label.
`protected double` | `length` Caches the distance between the end points and the length of an edge.
`protected mxPoint` | `origin` Holds the origin for all child cells.
`protected double[]` | `segments` Array of numbers that represent the cached length of each segment of the edge.
`protected Map<String,Object>` | `style` Contains an array of key, value pairs that represent the style of the cell.
`protected double` | `terminalDistance` Caches the distance between the end points and the length of an edge.
`protected mxGraphView` | `view` Reference to the enclosing graph view.

Fields inherited from class com.mxgraph.util.mxRectangle
`height, width`

Fields inherited from class com.mxgraph.util.mxPoint
`x, y`

Constructor Summary
`mxCellState()` Constructs an empty cell state.
`mxCellState(mxGraphView view, Object cell, Map<String,Object> style)` Constructs a new object that represents the current state of the given cell in the specified view.

Method Summary
`Object` | `clone()` Returns a clone of this state where all members are deeply cloned except the view and cell references, which are copied with no cloning to the new instance.
`mxPoint` | `getAbsoluteOffset()` Returns the absolute offset.
`mxPoint` | `getAbsolutePoint(int index)` Returns the absolute point at the given index.
`int` | `getAbsolutePointCount()` Returns the number of absolute points.
`List<mxPoint>` | `getAbsolutePoints()` Returns the absolute points.
`mxRectangle` | `getBoundingBox()` Returns the bounding box.
`Object` | `getCell()` Returns the cell that is represented by this state.
`mxRectangle` | `getLabelBounds()` Returns the label bounds.
`double` | `getLength()` Returns the length.
`mxPoint` | `getOrigin()` Returns the origin for the children.
`mxRectangle` | `getPerimeterBounds()` Returns the rectangle that should be used as the perimeter of the cell.
`mxRectangle` | `getPerimeterBounds(double border)` Returns the rectangle that should be used as the perimeter of the cell.
`double[]` | `getSegments()` Returns the length of the segments.
`Map<String,Object>` | `getStyle()` Returns the cell style as a map of key, value pairs.
`double` | `getTerminalDistance()` Returns the terminal distance.
`mxGraphView` | `getView()` Returns the enclosing graph view.
`boolean` | `isInvalid()` Returns true if the state is invalid.
`void` | `setAbsoluteOffset(mxPoint absoluteOffset)` Returns the absolute offset.
`mxPoint` | `setAbsolutePoint(int index, mxPoint point)` Returns the absolute point at the given index.
`void` | `setAbsolutePoints(List<mxPoint> absolutePoints)` Returns the absolute points.
`void` | `setAbsoluteTerminalPoint(mxPoint point, boolean isSource)` Sets the first or last point in the list of points depending on isSource.
`void` | `setBoundingBox(mxRectangle boundingBox)` Sets the bounding box.
`void` | `setCell(Object cell)` Sets the cell that this state represents.
`void` | `setInvalid(boolean invalid)` Sets the invalid state.
`void` | `setLabelBounds(mxRectangle labelBounds)` Sets the label bounds.
`void` | `setLength(double length)` Sets the length.
`void` | `setOrigin(mxPoint origin)` Sets the origin for the children.
`void` | `setSegments(double[] segments)` Sets the length of the segments.
`void` | `setStyle(Map<String,Object> style)` Sets the cell style as a map of key, value pairs.
`void` | `setTerminalDistance(double terminalDistance)` Sets the terminal distance.
`void` | `setView(mxGraphView view)` Sets the enclosing graph view.

Methods inherited from class com.mxgraph.util.mxRectangle
`add, contains, equals, getCenterX, getCenterY, getHeight, getRectangle, getWidth, grow, intersectLine, setHeight, setWidth`

Methods inherited from class com.mxgraph.util.mxPoint
`getPoint, getX, getY, setX, setY`

Methods inherited from class java.lang.Object
`finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### view

    protected mxGraphView view

  Reference to the enclosing graph view.

### cell

    protected Object cell

  Reference to the cell that is represented by this state.

### style

    protected Map<String,Object> style

  Contains an array of key, value pairs that represent the style of the cell.

### origin

    protected mxPoint origin

  Holds the origin for all child cells.

### absolutePoints

    protected List<mxPoint> absolutePoints

  List of mxPoints that represent the absolute points of an edge.

### absoluteOffset

    protected mxPoint absoluteOffset

  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.

### terminalDistance

    protected double terminalDistance

  Caches the distance between the end points and the length of an edge.

### length

    protected double length

  Caches the distance between the end points and the length of an edge.

### segments

    protected double[] segments

  Array of numbers that represent the cached length of each segment of the edge.

### labelBounds

    protected mxRectangle labelBounds

  Holds the rectangle which contains the label.

### boundingBox

    protected mxRectangle boundingBox

  Holds the largest rectangle which contains all rendering for this cell.

### invalid

    protected boolean invalid

  Specifies if the state is invalid. Default is true.

Constructor Detail

### mxCellState

    public mxCellState()

  Constructs an empty cell state.

### mxCellState

    public mxCellState(mxGraphView view,
                       Object cell,
                       Map<String,Object> style)

  Constructs a new object that represents the current state of the given cell in the specified view.

  Parameters:
    `view` - Graph view that contains the state.
    `cell` - Cell that this state represents.
    `style` - Array of key, value pairs that constitute the style.

Method Detail

### isInvalid

    public boolean isInvalid()

  Returns true if the state is invalid.

### setInvalid

    public void setInvalid(boolean invalid)

  Sets the invalid state.

### getView

    public mxGraphView getView()

  Returns the enclosing graph view.

  Returns:
    the view

### setView

    public void setView(mxGraphView view)

  Sets the enclosing graph view.

  Parameters:
    `view` - the view to set

### getCell

    public Object getCell()

  Returns the cell that is represented by this state.

  Returns:
    the cell

### setCell

    public void setCell(Object cell)

  Sets the cell that this state represents.

  Parameters:
    `cell` - the cell to set

### getStyle

    public Map<String,Object> getStyle()

  Returns the cell style as a map of key, value pairs.

  Returns:
    the style

### setStyle

    public void setStyle(Map<String,Object> style)

  Sets the cell style as a map of key, value pairs.

  Parameters:
    `style` - the style to set

### getOrigin

    public mxPoint getOrigin()

  Returns the origin for the children.

  Returns:
    the origin

### setOrigin

    public void setOrigin(mxPoint origin)

  Sets the origin for the children.

  Parameters:
    `origin` - the origin to set

### getAbsolutePoint

    public mxPoint getAbsolutePoint(int index)

  Returns the absolute point at the given index.

  Returns:
    the mxPoint at the given index

### setAbsolutePoint

    public mxPoint setAbsolutePoint(int index,
                                    mxPoint point)

  Returns the absolute point at the given index.

  Returns:
    the mxPoint at the given index

### getAbsolutePointCount

    public int getAbsolutePointCount()

  Returns the number of absolute points.

  Returns:
    the absolutePoints

### getAbsolutePoints

    public List<mxPoint> getAbsolutePoints()

  Returns the absolute points.

  Returns:
    the absolutePoints

### setAbsolutePoints

    public void setAbsolutePoints(List<mxPoint> absolutePoints)

  Returns the absolute points.

  Parameters:
    `absolutePoints` - the absolutePoints to set

### getAbsoluteOffset

    public mxPoint getAbsoluteOffset()

  Returns the absolute offset.

  Returns:
    the absoluteOffset

### setAbsoluteOffset

    public void setAbsoluteOffset(mxPoint absoluteOffset)

  Returns the absolute offset.

  Parameters:
    `absoluteOffset` - the absoluteOffset to set

### getTerminalDistance

    public double getTerminalDistance()

  Returns the terminal distance.

  Returns:
    the terminalDistance

### setTerminalDistance

    public void setTerminalDistance(double terminalDistance)

  Sets the terminal distance.

  Parameters:
    `terminalDistance` - the terminalDistance to set

### getLength

    public double getLength()

  Returns the length.

  Returns:
    the length

### setLength

    public void setLength(double length)

  Sets the length.

  Parameters:
    `length` - the length to set

### getSegments

    public double[] getSegments()

  Returns the length of the segments.

  Returns:
    the segments

### setSegments

    public void setSegments(double[] segments)

  Sets the length of the segments.

  Parameters:
    `segments` - the segments to set

### getLabelBounds

    public mxRectangle getLabelBounds()

  Returns the label bounds.

  Returns:
    Returns the label bounds for this state.

### setLabelBounds

    public void setLabelBounds(mxRectangle labelBounds)

  Sets the label bounds.

  Parameters:
    `labelBounds` -

### getBoundingBox

    public mxRectangle getBoundingBox()

  Returns the bounding box.

  Returns:
    Returns the bounding box for this state.

### setBoundingBox

    public void setBoundingBox(mxRectangle boundingBox)

  Sets the bounding box.

  Parameters:
    `boundingBox` -

### getPerimeterBounds

    public mxRectangle getPerimeterBounds()

  Returns the rectangle that should be used as the perimeter of the cell. This implementation adds the perimeter spacing to the rectangle defined by this cell state.

  Returns:
    Returns the rectangle that defines the perimeter.

### getPerimeterBounds

    public mxRectangle getPerimeterBounds(double border)

  Returns the rectangle that should be used as the perimeter of the cell.

  Returns:
    Returns the rectangle that defines the perimeter.

### setAbsoluteTerminalPoint

    public void setAbsoluteTerminalPoint(mxPoint point,
                                         boolean isSource)

  Sets the first or last point in the list of points depending on isSource.

  Parameters:
    `point` - Point that represents the terminal point.
    `isSource` - Boolean that specifies if the first or last point should be assigned.

### clone

    public Object clone()

  Returns a clone of this state where all members are deeply cloned except the view and cell references, which are copied with no cloning to the new instance.

  Overrides:
    `clone` in class `mxRectangle`

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Copyright (c) 2010 Gaudenz Alder. All rights reserved.