/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.felix.sigil.eclipse.ui.internal.views.resolution;
import org.apache.felix.sigil.common.model.eclipse.ISigilBundle;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
public class BundleGraphViewFilter extends ViewerFilter
{
private BundleResolverView view;
public BundleGraphViewFilter(BundleResolverView view)
{
this.view = view;
}
@Override
public boolean select(Viewer viewer, Object parentElement, Object element)
{
if (!view.isDisplayed(BundleResolverView.LOCAL_LINKS))
{
if (element instanceof Link)
{
Link l = (Link) element;
return l.getSource() != l.getTarget();
}
}
if (!view.isDisplayed(BundleResolverView.SATISFIED))
{
if (element instanceof Link)
{
Link l = (Link) element;
return !l.isSatisfied();
}
else if (element instanceof ISigilBundle)
{
ISigilBundle bundle = (ISigilBundle) element;
for (Link l : view.getBundlegraph().getLinks(bundle))
{
if (!l.isSatisfied())
{
return true;
}
}
return false;
}
}
if (!view.isDisplayed(BundleResolverView.UNSATISFIED))
{
if (element instanceof Link)
{
Link l = (Link) element;
return l.isSatisfied();
}
else if (element instanceof Link.Unsatisfied)
{
return false;
}
}
return true;
}
}