/******************************************************************************
* Copyright (c) 2016 Oracle
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.samples.catalog;
import org.eclipse.sapphire.DisposeEvent;
import org.eclipse.sapphire.FilteredListener;
import org.eclipse.sapphire.Listener;
import org.eclipse.sapphire.PropertyContentEvent;
import org.eclipse.sapphire.ui.Presentation;
import org.eclipse.sapphire.ui.SapphireAction;
import org.eclipse.sapphire.ui.SapphireActionHandler;
import org.eclipse.sapphire.ui.SapphireEditorPagePart;
import org.eclipse.sapphire.ui.def.ActionHandlerDef;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class ShowManufacturerColorActionHandler extends SapphireActionHandler
{
public static final String ATTRIBUTE = "ColorCode";
private CatalogEditorPageState state;
@Override
public void init( final SapphireAction action,
final ActionHandlerDef def )
{
super.init( action, def );
this.state = (CatalogEditorPageState) getPart().nearest( SapphireEditorPagePart.class ).state();
final Listener listener = new FilteredListener<PropertyContentEvent>()
{
@Override
protected void handleTypedEvent( final PropertyContentEvent event )
{
setChecked( ShowManufacturerColorActionHandler.this.state.getAttribute( ATTRIBUTE, false ) );
}
};
this.state.attach( listener, CatalogEditorPageState.PROP_ATTRIBUTES.name() + "/*" );
setChecked( this.state.getAttribute( ATTRIBUTE, false ) );
attach
(
new FilteredListener<DisposeEvent>()
{
@Override
protected void handleTypedEvent( final DisposeEvent event )
{
ShowManufacturerColorActionHandler.this.state.detach( listener, CatalogEditorPageState.PROP_ATTRIBUTES.name() + "/*" );
}
}
);
}
@Override
protected Object run( final Presentation context )
{
this.state.setAttribute( ATTRIBUTE, ! this.state.getAttribute( ATTRIBUTE, false ) );
return null;
}
}