org.openstreetmap.josm.gui.conflict.pair
Class ListMerger.AdjustmentSynchronizer

java.lang.Object
  org.openstreetmap.josm.gui.conflict.pair.ListMerger.AdjustmentSynchronizer

All Implemented Interfaces:

java.awt.event.AdjustmentListener, java.util.EventListener

Enclosing class:

ListMerger<T extends PrimitiveId>

 class ListMerger.AdjustmentSynchronizer
extends java.lang.Object
implements java.awt.event.AdjustmentListener

Synchronizes scrollbar adjustments between a set of Adjustables. Whenever the adjustment of one of the registerd Adjustables is updated the adjustment of the other registered Adjustables is adjusted too.

Field Summary

private java.util.HashMap<java.awt.Adjustable,java.lang.Boolean>	enabledMap
private java.util.Observable	observable
private java.util.ArrayList<java.awt.Adjustable>	synchronizedAdjustables

Constructor Summary

ListMerger.AdjustmentSynchronizer()

Method Summary

protected void	adapt(javax.swing.JCheckBox view, java.awt.Adjustable adjustable) wires a JCheckBox to the adjustment synchronizer, in such a way that: state changes in the checkbox control whether the adjustable participates in synchronized adjustment state changes in this ListMerger.AdjustmentSynchronizer are reflected in the JCheckBox
void	adjustmentValueChanged(java.awt.event.AdjustmentEvent e) event handler for AdjustmentEvents
protected boolean	isParticipatingInSynchronizedScrolling(java.awt.Adjustable adjustable) returns true if an adjustable is participating in synchronized scrolling
void	participateInSynchronizedScrolling(java.awt.Adjustable adjustable) registers an Adjustable for participation in synchronized scrolling.
protected void	setParticipatingInSynchronizedScrolling(java.awt.Adjustable adjustable, boolean isParticipating) sets whether adjustable participates in adjustment synchronization or not

Methods inherited from class java.lang.Object

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

Field Detail

synchronizedAdjustables

private final java.util.ArrayList<java.awt.Adjustable> synchronizedAdjustables

enabledMap

private final java.util.HashMap<java.awt.Adjustable,java.lang.Boolean> enabledMap

observable

private final java.util.Observable observable

Constructor Detail

ListMerger.AdjustmentSynchronizer

public ListMerger.AdjustmentSynchronizer()

Method Detail

participateInSynchronizedScrolling

public void participateInSynchronizedScrolling(java.awt.Adjustable adjustable)

registers an Adjustable for participation in synchronized scrolling.

Parameters:

adjustable - the adjustable

adjustmentValueChanged

public void adjustmentValueChanged(java.awt.event.AdjustmentEvent e)

event handler for AdjustmentEvents

Specified by:

adjustmentValueChanged in interface java.awt.event.AdjustmentListener

setParticipatingInSynchronizedScrolling

protected void setParticipatingInSynchronizedScrolling(java.awt.Adjustable adjustable,
                                                       boolean isParticipating)

sets whether adjustable participates in adjustment synchronization or not

Parameters:

adjustable - the adjustable

isParticipatingInSynchronizedScrolling

protected boolean isParticipatingInSynchronizedScrolling(java.awt.Adjustable adjustable)
                                                  throws java.lang.IllegalStateException

returns true if an adjustable is participating in synchronized scrolling

Parameters:

adjustable - the adjustable

Returns:

true, if the adjustable is participating in synchronized scrolling, false otherwise

Throws:

java.lang.IllegalStateException - thrown, if adjustable is not registered for synchronized scrolling

adapt

protected void adapt(javax.swing.JCheckBox view,
                     java.awt.Adjustable adjustable)
              throws java.lang.IllegalStateException

wires a JCheckBox to the adjustment synchronizer, in such a way that:

state changes in the checkbox control whether the adjustable participates in synchronized adjustment

state changes in this ListMerger.AdjustmentSynchronizer are reflected in the JCheckBox

Parameters:

view - the checkbox to control whether an adjustable participates in synchronized adjustment

adjustable - the adjustable

Throws:

java.lang.IllegalArgumentException - thrown, if view is null

java.lang.IllegalArgumentException - thrown, if adjustable is null

java.lang.IllegalStateException