/*******************************************************************************
* Copyright (c) 2009, 2010 Innovation Gate GmbH.
* 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:
* Innovation Gate GmbH - initial API and implementation
******************************************************************************/
package de.innovationgate.eclipse.wgadesigner.editors.helpers;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import de.innovationgate.eclipse.utils.wga.ResourceFilter;
import de.innovationgate.eclipse.utils.wga.WGADesignStructureHelper;
public class WGADesignViewerFilter extends ViewerFilter {
private IProject _selectedProject = null;
private List<IContainer> _designResources;
public WGADesignViewerFilter(IProject selection) {
_selectedProject = selection;
_designResources = WGADesignStructureHelper.retrieveDesignResources(new ResourceFilter() {
public boolean accept(IResource resource) {
IProject project = resource.getProject();
if (project != null) {
if (!project.isAccessible()) {
return false;
} else if (project.equals(_selectedProject)) {
return false;
}else if(!(resource instanceof IContainer)){
return false;
}else if(!WGADesignStructureHelper.isDesignFolder((IContainer)resource)){
return false;
}
return true;
}
return false;
}
});
}
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
if (element instanceof IContainer) {
IContainer container = (IContainer) element;
Iterator<IContainer> designs = _designResources.iterator();
while (designs.hasNext()) {
IContainer design = designs.next();
if (design.getLocation().equals(container.getLocation()) || container.getLocation().isPrefixOf(design.getLocation())) {
return true;
}
}
}
return false;
}
}