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## com.mxgraph.swing.view
Class mxCellStatePreview

    java.lang.Object
      com.mxgraph.swing.view.mxCellStatePreview

    public class mxCellStatePreview

extends Object

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

Field Summary
`protected List<mxCellState>` | `cellStates`
`protected boolean` | `cloned` Specifies if cell states should be cloned or changed in-place.
`protected int` | `count`
`protected Map<mxCellState,mxPoint>` | `deltas`
`protected mxGraphComponent` | `graphComponent`
`protected float` | `opacity`

Constructor Summary
`mxCellStatePreview(mxGraphComponent graphComponent, boolean cloned)` Constructs a new state preview.

Method Summary
`void` | `addEdges(mxCellState state)`
`int` | `getCount()`
`Map<mxCellState,mxPoint>` | `getDeltas()`
`float` | `getOpacity()`
`protected float` | `getOpacityForCell(Object cell)`
`boolean` | `isCloned()`
`boolean` | `isEmpty()`
`mxPoint` | `moveState(mxCellState state, double dx, double dy)`
`mxPoint` | `moveState(mxCellState state, double dx, double dy, boolean add, boolean includeEdges)`
`void` | `paint(Graphics g)`
`protected void` | `paintPreview(mxGraphics2DCanvas canvas)` Draws the preview using the graphics canvas.
`protected void` | `paintPreviewState(mxGraphics2DCanvas canvas, mxCellState state)` Draws the preview using the graphics canvas.
`void` | `restore(List<mxCellState> snapshot)`
`void` | `restoreState(mxCellState state, mxCellState from)`
`protected mxRectangle` | `revalidateState(mxCellState parentState, mxCellState state, double dx, double dy)`
`void` | `setCloned(boolean value)`
`void` | `setOpacity(float value)`
`mxRectangle` | `show()` Returns a dirty rectangle to be repainted in mxGraphControl.
`List<mxCellState>` | `snapshot(mxCellState state)`
`protected void` | `translateState(mxCellState parentState, mxCellState state, double dx, double dy)`

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

Field Detail

### deltas

    protected Map<mxCellState,mxPoint> deltas

### count

    protected int count

### graphComponent

    protected mxGraphComponent graphComponent

### cloned

    protected boolean cloned

  Specifies if cell states should be cloned or changed in-place.

### opacity

    protected float opacity

### cellStates

    protected List<mxCellState> cellStates

Constructor Detail

### mxCellStatePreview

    public mxCellStatePreview(mxGraphComponent graphComponent,
                              boolean cloned)

  Constructs a new state preview. The paint handler to invoke the paint method must be installed elsewhere.

Method Detail

### isCloned

    public boolean isCloned()

### setCloned

    public void setCloned(boolean value)

### isEmpty

    public boolean isEmpty()

### getCount

    public int getCount()

### getDeltas

    public Map<mxCellState,mxPoint> getDeltas()

### setOpacity

    public void setOpacity(float value)

### getOpacity

    public float getOpacity()

### moveState

    public mxPoint moveState(mxCellState state,
                             double dx,
                             double dy)

### moveState

    public mxPoint moveState(mxCellState state,
                             double dx,
                             double dy,
                             boolean add,
                             boolean includeEdges)

### show

    public mxRectangle show()

  Returns a dirty rectangle to be repainted in mxGraphControl.

### restore

    public void restore(List<mxCellState> snapshot)

### restoreState

    public void restoreState(mxCellState state,
                             mxCellState from)

### snapshot

    public List<mxCellState> snapshot(mxCellState state)

### translateState

    protected void translateState(mxCellState parentState,
                                  mxCellState state,
                                  double dx,
                                  double dy)

### revalidateState

    protected mxRectangle revalidateState(mxCellState parentState,
                                          mxCellState state,
                                          double dx,
                                          double dy)

### addEdges

    public void addEdges(mxCellState state)

### paint

    public void paint(Graphics g)

### getOpacityForCell

    protected float getOpacityForCell(Object cell)

### paintPreview

    protected void paintPreview(mxGraphics2DCanvas canvas)

  Draws the preview using the graphics canvas.

### paintPreviewState

    protected void paintPreviewState(mxGraphics2DCanvas canvas,
                                     mxCellState state)

  Draws the preview using the graphics canvas.

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