edu.washington.cs.supple.render
Class RenderingConstraintEnforcer

java.lang.Object
  edu.washington.cs.supple.render.RenderingConstraintEnforcer

public class RenderingConstraintEnforcer

extends java.lang.Object

Author:

kgajos A helper class that is created during rendering process and attached to temporary data structures;

Field Summary

protected java.util.Vector	bags
protected RenderingConstraint	constraint

Constructor Summary

RenderingConstraintEnforcer(RenderingConstraint constraint)

RenderingConstraintEnforcer(RenderingConstraint constraint, java.util.Collection wbags)

Method Summary

void	addWidgetBag(WidgetBag bag)
void	addWidgetBags(java.util.Collection wbags)
RenderingConstraint	getConstraint()
java.util.Vector	getWidgetBags()
boolean	isWidgetConsistent(Widget w)
boolean	propagate(WidgetBag source, int levels) Call propagate on all widget bags connected to this constraint (except the one that called the propagation)
int	size()
void	undoPropagate(WidgetBag source, int levels)

Methods inherited from class java.lang.Object

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

Field Detail

constraint

protected RenderingConstraint constraint

bags

protected java.util.Vector bags

Constructor Detail

RenderingConstraintEnforcer

public RenderingConstraintEnforcer(RenderingConstraint constraint,
                                   java.util.Collection wbags)

RenderingConstraintEnforcer

public RenderingConstraintEnforcer(RenderingConstraint constraint)

Method Detail

addWidgetBag

public void addWidgetBag(WidgetBag bag)

addWidgetBags

public void addWidgetBags(java.util.Collection wbags)

getWidgetBags

public java.util.Vector getWidgetBags()

size

public int size()

getConstraint

public RenderingConstraint getConstraint()

isWidgetConsistent

public boolean isWidgetConsistent(Widget w)

propagate

public boolean propagate(WidgetBag source,
                         int levels)

Call propagate on all widget bags connected to this constraint (except the one that called the propagation)

Parameters:

source - the caller (it will not be propagated to)

levels - how deep to propagate (used in testing)

Returns:

true if all propagated ok; false if there was a failure

undoPropagate

public void undoPropagate(WidgetBag source,
                          int levels)