/******************************************************************************
* Copyright (c) 2014 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.ui;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.sapphire.Context;
import org.eclipse.sapphire.LoggingService;
import org.eclipse.sapphire.Sapphire;
import org.eclipse.sapphire.modeling.ExtensionsLocator;
import org.eclipse.sapphire.modeling.ResourceStoreException;
import org.eclipse.sapphire.modeling.UrlResourceStore;
import org.eclipse.sapphire.modeling.xml.RootXmlResource;
import org.eclipse.sapphire.modeling.xml.XmlResourceStore;
import org.eclipse.sapphire.ui.def.ActionDef;
import org.eclipse.sapphire.ui.def.ActionHandlerDef;
import org.eclipse.sapphire.ui.def.ActionHandlerFactoryDef;
import org.eclipse.sapphire.ui.def.ISapphireUiExtensionDef;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class SapphireExtensionSystem
{
private static List<ISapphireUiExtensionDef> extensions;
private static List<ActionDef> actions;
private static List<ActionHandlerDef> actionHandlers;
private static List<ActionHandlerFactoryDef> actionHandlerFactories;
public static synchronized List<ISapphireUiExtensionDef> getExtensions()
{
if( extensions == null )
{
final List<ISapphireUiExtensionDef> list = new ArrayList<ISapphireUiExtensionDef>();
for( final ExtensionsLocator.Handle handle : ExtensionsLocator.instance().find() )
{
try
{
final UrlResourceStore store = new UrlResourceStore( handle.extension() )
{
@Override
public <A> A adapt( final Class<A> adapterType )
{
if( adapterType == Context.class )
{
return adapterType.cast( handle.context() );
}
return super.adapt( adapterType );
}
};
final XmlResourceStore xmlResourceStore = new XmlResourceStore( store );
final RootXmlResource resource = new RootXmlResource( xmlResourceStore );
final ISapphireUiExtensionDef extension = ISapphireUiExtensionDef.TYPE.instantiate( resource );
list.add( extension );
}
catch( ResourceStoreException e )
{
Sapphire.service( LoggingService.class ).log( e );
}
}
extensions = Collections.unmodifiableList( list );
}
return extensions;
}
public static synchronized List<ActionDef> getActions()
{
if( actions == null )
{
final List<ActionDef> list = new ArrayList<ActionDef>();
for( ISapphireUiExtensionDef extension : getExtensions() )
{
for( ActionDef def : extension.getActions() )
{
// TODO: Validate and log
list.add( def );
}
}
actions = Collections.unmodifiableList( list );
}
return actions;
}
public static synchronized List<ActionHandlerDef> getActionHandlers()
{
if( actionHandlers == null )
{
final List<ActionHandlerDef> list = new ArrayList<ActionHandlerDef>();
for( ISapphireUiExtensionDef extension : getExtensions() )
{
for( ActionHandlerDef def : extension.getActionHandlers() )
{
// TODO: Validate and log
list.add( def );
}
}
actionHandlers = Collections.unmodifiableList( list );
}
return actionHandlers;
}
public static synchronized List<ActionHandlerFactoryDef> getActionHandlerFactories()
{
if( actionHandlerFactories == null )
{
final List<ActionHandlerFactoryDef> list = new ArrayList<ActionHandlerFactoryDef>();
for( ISapphireUiExtensionDef extension : getExtensions() )
{
for( ActionHandlerFactoryDef def : extension.getActionHandlerFactories() )
{
// TODO: Validate and log
list.add( def );
}
}
actionHandlerFactories = Collections.unmodifiableList( list );
}
return actionHandlerFactories;
}
}