/******************************************************************************* | |
* Copyright (c) 2005, 2012 IBM Corporation and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License 2.0 | |
* which accompanies this distribution, and is available at | |
* https://www.eclipse.org/legal/epl-2.0/ | |
* | |
* SPDX-License-Identifier: EPL-2.0 | |
* | |
* Contributors: | |
* IBM Corporation - initial API and implementation | |
*******************************************************************************/ | |
package org.eclipse.bpel.ui.details.providers; | |
import org.eclipse.bpel.model.PartnerLink; | |
import org.eclipse.bpel.ui.details.tree.ITreeNode; | |
import org.eclipse.bpel.ui.details.tree.PortTypeTreeNode; | |
import org.eclipse.jface.viewers.IFilter; | |
import org.eclipse.jface.viewers.Viewer; | |
import org.eclipse.jface.viewers.ViewerFilter; | |
/** | |
* Filter which excludes from a set of PartnerLinks those which are missing one or both roles. | |
* | |
* For situations when one or the other role (or both) are required. | |
*/ | |
public class PartnerRoleFilter extends ViewerFilter | |
implements IFilter | |
{ | |
boolean requireMyRole = true; | |
boolean requirePartnerRole = true; | |
public PartnerRoleFilter () { | |
} | |
public PartnerRoleFilter ( boolean requireMyRole, boolean requirePartnerRole) { | |
this.requireMyRole = requireMyRole; | |
this.requirePartnerRole = requirePartnerRole; | |
} | |
public void setRequireMyRole ( boolean value ) | |
{ | |
this.requireMyRole = value; | |
} | |
public void setRequirePartnerRole ( boolean value) | |
{ | |
this.requirePartnerRole = value; | |
} | |
@Override | |
public boolean select (Viewer viewer, Object parentElement, Object element) { | |
if (element instanceof PortTypeTreeNode) { | |
return select ( element ); | |
} | |
if (element instanceof ITreeNode) { | |
return select ( ((ITreeNode)element).getModelObject() ); | |
} | |
return select ( element ); | |
} | |
/** | |
* @see org.eclipse.jface.viewers.IFilter#select(java.lang.Object) | |
*/ | |
public boolean select (Object toTest) { | |
if (toTest == null) { | |
return false; | |
} | |
// Allow under these circumstances. | |
if (requireMyRole == false && requirePartnerRole == false) { | |
return true; | |
} | |
if ( PartnerLink.class.isInstance(toTest) ) { | |
PartnerLink partnerLink = (PartnerLink) toTest; | |
if (requireMyRole && partnerLink.getMyRole() == null) { | |
return false; | |
} | |
if (requirePartnerRole && partnerLink.getPartnerRole() == null) { | |
return false; | |
} | |
} | |
// Filter away port types which are not derived from the right roles | |
if (PortTypeTreeNode.class.isInstance( toTest )) { | |
PortTypeTreeNode portTypeTreeNode = (PortTypeTreeNode) toTest; | |
if (portTypeTreeNode.isDerivedFromMyRole() == false && requireMyRole) { | |
return false; | |
} | |
if (portTypeTreeNode.isDerivedFromPartnerRole() == false && requirePartnerRole) { | |
return false; | |
} | |
} | |
return true; | |
} | |
} |