org.knime.base.node.mine.decisiontree2.view.graph
Class NodeWidget<K>

java.lang.Object
  org.knime.base.node.mine.decisiontree2.view.graph.NodeWidget<K>

Type Parameters:

K - The type of the user object.

All Implemented Interfaces:

MouseListener, EventListener

Direct Known Subclasses:

ComponentNodeWidget

public abstract class NodeWidget<K>
extends Object
implements MouseListener

The visual representation of a node in an HierarchicalGraphView.

Author:

Heiko Hofer

Constructor Summary

NodeWidget(HierarchicalGraphView<K> graph, K object)
Creates a new instance.

Method Summary

abstract String	getConnectorLabelAbove() Get the label that should be painted on the connector above the NodeWidget.
abstract String	getConnectorLabelBelow() Get the label that should be painted on the connector below the NodeWidget.
protected HierarchicalGraphView<K>	getGraphView() Get the graph where this NodeWidget is element of.
abstract Dimension	getPreferredSize() Get the preferred size.
float	getScaleFactor() Set the scale factor.
(package private) Dimension	getSize() Get the current size.
protected K	getUserObject() Get the user object of this NodeWidget.
protected abstract void	paint(Component c, Graphics2D g, int x, int y, int width, int height) Paint this NodeWidget using the given Graphics2D.
void	paint(Component c, Graphics2D g, Rectangle r) Paint this NodeWidget using the given Graphics2D.
void	setScaleFactor(float scale) Get the scale factor.
(package private) void	setSize(Dimension size) Set the size of this NodeWidget.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.awt.event.MouseListener

mouseClicked, mouseEntered, mouseExited, mousePressed, mouseReleased

Constructor Detail

NodeWidget

public NodeWidget(HierarchicalGraphView<K> graph,
                  K object)

Creates a new instance.

Parameters:

graph - the graph where this NodeWidget is element of

object - the user object

Method Detail

getPreferredSize

public abstract Dimension getPreferredSize()

Get the preferred size.

Returns:

the preferred size

paint

protected abstract void paint(Component c,
                              Graphics2D g,
                              int x,
                              int y,
                              int width,
                              int height)

Paint this NodeWidget using the given Graphics2D.

Parameters:

c - the component to paint on

g - the graphics

x - the x coordinate in the component

y - the y coordinate in the component

width - the width of the widget

height - the height of the widget

paint

public void paint(Component c,
                  Graphics2D g,
                  Rectangle r)

Paint this NodeWidget using the given Graphics2D.

Parameters:

c - the component to paint on

g - the graphics

r - position and size on the component

getConnectorLabelAbove

public abstract String getConnectorLabelAbove()

Get the label that should be painted on the connector above the NodeWidget.

Returns:

the label painted above

getConnectorLabelBelow

public abstract String getConnectorLabelBelow()

Get the label that should be painted on the connector below the NodeWidget.

Returns:

the label painted below

getSize

final Dimension getSize()

Get the current size.

Returns:

the size

setSize

final void setSize(Dimension size)

Set the size of this NodeWidget.

Parameters:

size - the size to set

getScaleFactor

public float getScaleFactor()

Set the scale factor.

Returns:

the scale factor

setScaleFactor

public void setScaleFactor(float scale)

Get the scale factor.

Parameters:

scale - the scale factor to set

getGraphView

protected final HierarchicalGraphView<K> getGraphView()

Get the graph where this NodeWidget is element of.

Returns:

the graph

getUserObject

protected final K getUserObject()

Get the user object of this NodeWidget.

Returns:

the user object