/******************************************************************************
* 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.workspace.internal;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.sapphire.ValueProperty;
import org.eclipse.sapphire.modeling.Path;
import org.eclipse.sapphire.services.RelativePathService;
import org.eclipse.sapphire.services.ServiceCondition;
import org.eclipse.sapphire.services.ServiceContext;
import org.eclipse.sapphire.util.ListFactory;
import org.eclipse.sapphire.workspace.WorkspaceRelativePath;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class WorkspaceRelativePathService extends RelativePathService
{
@Override
public List<Path> roots()
{
final ListFactory<Path> paths = ListFactory.start();
for( IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects() )
{
if( project.isAccessible() )
{
paths.add( new Path( project.getLocation().toPortableString() ) );
}
}
return paths.result();
}
@Override
public Path convertToRelative( final Path path )
{
for( IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects() )
{
if( project.isAccessible() )
{
final Path location = new Path( project.getLocation().toPortableString() );
if( location.isPrefixOf( path ) )
{
return new Path( project.getName() ).append( path.makeRelativeTo( location ) );
}
}
}
return null;
}
@Override
public Path convertToAbsolute( final Path path )
{
if( path.segmentCount() > 0 )
{
final String projectName = path.segment( 0 );
for( IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects() )
{
if( project.isAccessible() )
{
if( projectName.equals( project.getName() ) )
{
return new Path( project.getLocation().toPortableString() ).append( path.removeFirstSegments( 1 ) );
}
}
}
}
return null;
}
public static final class Condition extends ServiceCondition
{
@Override
public boolean applicable( final ServiceContext context )
{
final ValueProperty property = context.find( ValueProperty.class );
return ( property != null && Path.class.isAssignableFrom( property.getTypeClass() ) && property.hasAnnotation( WorkspaceRelativePath.class ) );
}
}
}