com.mxgraph.swing.handler

Class mxCellHandler

java.lang.Object

com.mxgraph.swing.handler.mxCellHandler

Direct Known Subclasses:

mxEdgeHandler, mxVertexHandler

public class mxCellHandler
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
mxCellHandler(mxGraphComponent graphComponent, mxCellState state) Constructs a new cell handler for the given cell state.

Method Summary

Modifier and Type	Method and Description
java.awt.Rectangle	getBounds() Returns the bounding box of this handler.
mxGraphComponent	getGraphComponent()
int	getIndex() Returns the index of the current handle.
int	getIndexAt(int x, int y) Returns the index of the handle at the given location.
java.awt.Color	getSelectionColor() Returns the color used to draw the selection border.
java.awt.Stroke	getSelectionStroke() Returns the stroke used to draw the selection border.
mxCellState	getState() Returns the cell state that is associated with this handler.
java.lang.String	getToolTipText(java.awt.event.MouseEvent e) Hook for subclassers to return tooltip texts for certain points on the handle.
boolean	isActive()
boolean	isHandlesVisible() Returns true if the handles should be painted.
boolean	isLabel(int index) Returns true if the given index is the index of the last handle.
boolean	isLabelMovable() Returns true if the label is movable.
void	mouseDragged(java.awt.event.MouseEvent e) Processes the given event.
void	mouseMoved(java.awt.event.MouseEvent e) Processes the given event.
void	mousePressed(java.awt.event.MouseEvent e) Processes the given event.
void	mouseReleased(java.awt.event.MouseEvent e) Processes the given event.
void	paint(java.awt.Graphics g) Paints the visible handles of this handler.
void	refresh(mxCellState state) Refreshes the cell handler.
void	reset() Resets the state of the handler and removes the preview.
void	setHandlesVisible(boolean handlesVisible) Specifies if the handles should be painted.
void	start(java.awt.event.MouseEvent e, int index) Starts handling a gesture at the given handle index.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

mxCellHandler

public mxCellHandler(mxGraphComponent graphComponent,
                     mxCellState state)

Constructs a new cell handler for the given cell state.

Parameters:

graphComponent - Enclosing graph component.

state - Cell state for which the handler is created.

Method Detail

isActive

public boolean isActive()

refresh

public void refresh(mxCellState state)

Refreshes the cell handler.

getGraphComponent

public mxGraphComponent getGraphComponent()

getState

public mxCellState getState()

Returns the cell state that is associated with this handler.

getIndex

public int getIndex()

Returns the index of the current handle.

getBounds

public java.awt.Rectangle getBounds()

Returns the bounding box of this handler.

isLabelMovable

public boolean isLabelMovable()

Returns true if the label is movable.

isHandlesVisible

public boolean isHandlesVisible()

Returns true if the handles should be painted.

setHandlesVisible

public void setHandlesVisible(boolean handlesVisible)

Specifies if the handles should be painted.

isLabel

public boolean isLabel(int index)

Returns true if the given index is the index of the last handle.

getToolTipText

public java.lang.String getToolTipText(java.awt.event.MouseEvent e)

Hook for subclassers to return tooltip texts for certain points on the handle.

getIndexAt

public int getIndexAt(int x,
                      int y)

Returns the index of the handle at the given location.

Parameters:

x - X-coordinate of the location.

y - Y-coordinate of the location.

Returns:

Returns the handle index for the given location.

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Processes the given event.

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Processes the given event.

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Processes the given event.

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Processes the given event.

start

public void start(java.awt.event.MouseEvent e,
                  int index)

Starts handling a gesture at the given handle index.

reset

public void reset()

Resets the state of the handler and removes the preview.

paint

public void paint(java.awt.Graphics g)

Paints the visible handles of this handler.

getSelectionColor

public java.awt.Color getSelectionColor()

Returns the color used to draw the selection border. This implementation returns null.

getSelectionStroke

public java.awt.Stroke getSelectionStroke()

Returns the stroke used to draw the selection border. This implementation returns null.