ptolemy.vergil.basic
Class BasicGraphPane

java.lang.Object
  diva.canvas.CanvasPane
      diva.canvas.GraphicsPane
          diva.graph.GraphPane
              ptolemy.vergil.basic.BasicGraphPane

All Implemented Interfaces:

CanvasComponent, EventAcceptor

public class BasicGraphPane
extends GraphPane

A simple graph pane that has an associated Ptolemy model and handles getting the background color from the preferences.

Since:

Ptolemy II 8.0

Version:

$Id: BasicGraphPane.java 57046 2010-01-27 23:35:53Z cxh $

Author:

Edward A. Lee

Accepted Rating:

Red (eal)

Proposed Rating:

Yellow (eal)

Field Summary

private static int	_backgroundWarningCount Counter to ensure that no more than one message is printed when we fail to find the default preferences in the configuration.
private java.awt.Color	_defaultColor The default color from the configuration.
private NamedObj	_entity The Ptolemy object being displayed.

Fields inherited from class diva.canvas.GraphicsPane

_backgroundEventLayer, _backgroundLayer, _foregroundEventLayer, _foregroundLayer, _layers, _overlayLayer

Constructor Summary

BasicGraphPane(GraphController controller, GraphModel model, NamedObj entity)
Create a pane that updates the background color on each repaint if there is a preference attribute.

Method Summary

private void	_setBackground() If the model contains local preferences, use that to set the background color.
void	repaint() Override the base class to set the background.
void	repaint(DamageRegion damage) Override the base class to set the background.

Methods inherited from class diva.graph.GraphPane

getGraphController, getGraphModel

Methods inherited from class diva.canvas.GraphicsPane

_rebuildLayerArray, getBackgroundEventLayer, getBackgroundLayer, getForegroundEventLayer, getForegroundLayer, getOverlayLayer, layersFromBack, layersFromFront, setBackgroundEventLayer, setBackgroundLayer, setForegroundEventLayer, setForegroundLayer, setOverlayLayer

Methods inherited from class diva.canvas.CanvasPane

_initNewLayer, _nullifyLayer, dispatchEvent, getCanvas, getParent, getSize, getToolTipText, getTransformContext, isAntialiasing, isEnabled, layers, paint, paint, processLayerEvent, scale, setAntialiasing, setCanvas, setEnabled, setParent, setSize, setSize, setTransform, translate

Methods inherited from class java.lang.Object

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

Field Detail

_backgroundWarningCount

private static int _backgroundWarningCount

Counter to ensure that no more than one message is printed when we fail to find the default preferences in the configuration.

_defaultColor

private java.awt.Color _defaultColor

The default color from the configuration.

_entity

private NamedObj _entity

The Ptolemy object being displayed.

Constructor Detail

BasicGraphPane

public BasicGraphPane(GraphController controller,
                      GraphModel model,
                      NamedObj entity)

Create a pane that updates the background color on each repaint if there is a preference attribute.

Parameters:

controller - The controller.

model - The graph model.

entity - The Ptolemy II model being displayed.

Method Detail

repaint

public void repaint()

Override the base class to set the background.

Specified by:

repaint in interface CanvasComponent

Overrides:

repaint in class CanvasPane

repaint

public void repaint(DamageRegion damage)

Override the base class to set the background.

Specified by:

repaint in interface CanvasComponent

Overrides:

repaint in class CanvasPane

_setBackground

private void _setBackground()

If the model contains local preferences, use that to set the background color. Otherwise, use the global preferences from the configuration.