com.tensegrity.gui.swing.graph
Class AbstractLayoutObserver

java.lang.Object
  com.tensegrity.gui.swing.graph.AbstractLayoutObserver

All Implemented Interfaces:

Observer

Direct Known Subclasses:

LayoutObserver, SwingGraphPanelLayoutObserver, SwtGraphPanelLayoutObserver

public abstract class AbstractLayoutObserver

extends java.lang.Object

implements Observer

The AbstractLayoutObserver is an abstract base class for layout observer implementations.

Version:

$Id: AbstractLayoutObserver.java,v 1.7 2006/03/02 11:41:40 BurkhardWick Exp $

Author:

MKegel

Field Summary

static int	ADJUST_VIEWPORT_ACCORDING_TO_GRAPH
static int	ADJUST_VIEWPORT_LEFTTOP
protected int	stepcounter counter of currently processed steps
protected boolean	suppressFilling
protected boolean	suppressNavigatorAnimation
protected boolean	suppressText
protected boolean	suppressZoomToFit
protected int	updatesteps the number of steps between updates
protected int	viewportadjustment

Constructor Summary

AbstractLayoutObserver(int updatesteps)
Constructor for AbstractLayoutController.

AbstractLayoutObserver(int updatesteps, int viewportadjustment)
Constructor for AbstractLayoutController.

Method Summary

boolean	getSuppressFilling()
boolean	getSuppressNavigatorAnimation()
boolean	getSuppressText()
boolean	getSuppressZoomToFit()
protected void	prepare(GraphPanel gpanel)
void	setSuppressFilling(boolean suppressFilling)
void	setSuppressNavigatorAnimation(boolean suppressNavigatorAnimation)
void	setSuppressText(boolean suppressText)
void	setSuppressZoomToFit(boolean suppressZoomToFit)
protected void	unprepare(GraphPanel gpanel)
protected void	updateVisualGraphView(VisualGraphView visualgraphview) This routine updates the view ports before the layout is performed depending on the view port adjustment instance variable (which is either ADJUST_VIEWPORT_LEFTTOP or ADJUST_VIEWPORT_ACCORDING_TO_GRAPH).

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.tensegrity.generic.util.Observer

update

Field Detail

ADJUST_VIEWPORT_LEFTTOP

public static final int ADJUST_VIEWPORT_LEFTTOP

See Also:

Constant Field Values

ADJUST_VIEWPORT_ACCORDING_TO_GRAPH

public static final int ADJUST_VIEWPORT_ACCORDING_TO_GRAPH

See Also:

Constant Field Values

updatesteps

protected final int updatesteps

the number of steps between updates

stepcounter

protected int stepcounter

counter of currently processed steps

suppressZoomToFit

protected boolean suppressZoomToFit

suppressFilling

protected boolean suppressFilling

suppressText

protected boolean suppressText

suppressNavigatorAnimation

protected boolean suppressNavigatorAnimation

viewportadjustment

protected int viewportadjustment

Constructor Detail

AbstractLayoutObserver

public AbstractLayoutObserver(int updatesteps)

Constructor for AbstractLayoutController.

Parameters:

updatesteps - repaint only every updatesteps

AbstractLayoutObserver

public AbstractLayoutObserver(int updatesteps,
                              int viewportadjustment)

Constructor for AbstractLayoutController.

Parameters:

updatesteps - repaint only every updatesteps

viewportadjustment - constant that defines the view's viewport

Method Detail

getSuppressZoomToFit

public boolean getSuppressZoomToFit()

setSuppressZoomToFit

public void setSuppressZoomToFit(boolean suppressZoomToFit)

getSuppressFilling

public boolean getSuppressFilling()

setSuppressFilling

public void setSuppressFilling(boolean suppressFilling)

getSuppressText

public boolean getSuppressText()

setSuppressText

public void setSuppressText(boolean suppressText)

getSuppressNavigatorAnimation

public boolean getSuppressNavigatorAnimation()

setSuppressNavigatorAnimation

public void setSuppressNavigatorAnimation(boolean suppressNavigatorAnimation)

prepare

protected final void prepare(GraphPanel gpanel)

unprepare

protected final void unprepare(GraphPanel gpanel)

updateVisualGraphView

protected void updateVisualGraphView(VisualGraphView visualgraphview)

This routine updates the view ports before the layout is performed depending on the view port adjustment instance variable (which is either ADJUST_VIEWPORT_LEFTTOP or ADJUST_VIEWPORT_ACCORDING_TO_GRAPH).

Parameters:

visualgraphview - the view of which the view ports are updated