| package org.eclipse.debug.internal.ui.launchConfigurations; |
| |
| /********************************************************************** |
| Copyright (c) 2000, 2002 IBM Corp. All rights reserved. |
| This file is made available under the terms of the Common Public License v1.0 |
| which accompanies this distribution, and is available at |
| http://www.eclipse.org/legal/cpl-v10.html |
| **********************************************************************/ |
| |
| import java.util.HashSet; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.debug.core.ILaunchConfigurationType; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.ui.IWorkingSet; |
| |
| /** |
| * Working set filter for launch configuration viewers. |
| */ |
| public class LaunchConfigurationWorkingSetFilter extends ViewerFilter { |
| |
| /** |
| * The working set currently being used as a filter. |
| */ |
| private IWorkingSet fWorkingSet = null; |
| |
| private HashSet fWholeTypesSet = new HashSet(); |
| private HashSet fPartialTypesAndConfigsSet = new HashSet(); |
| |
| /** |
| * Returns the working set which is used by this filter. |
| * |
| * @return the working set |
| */ |
| public IWorkingSet getWorkingSet() { |
| return fWorkingSet; |
| } |
| |
| /** |
| * Sets this filter's working set. |
| * |
| * @param workingSet the working set |
| */ |
| public void setWorkingSet(IWorkingSet workingSet) { |
| fWorkingSet= workingSet; |
| buildLookupSet(); |
| } |
| |
| /** |
| * Construct sets that speed up calls to 'select()'. There is one set for |
| * ENTIRE config types, and another for individual configs and their corresponding |
| * config types. The first contains only config types for which ALL configs should |
| * be visible. The second contains individually selected configs and config types |
| * for individually selected configs. |
| */ |
| private void buildLookupSet() { |
| fWholeTypesSet.clear(); |
| fPartialTypesAndConfigsSet.clear(); |
| |
| IWorkingSet workingSet = getWorkingSet(); |
| if (workingSet != null) { |
| IAdaptable[] entries = workingSet.getElements(); |
| for (int i = 0; i < entries.length; i++) { |
| IAdaptable entry = entries[i]; |
| if (entry instanceof ILaunchConfigurationType) { |
| fWholeTypesSet.add(entry); |
| } else if (entry instanceof ILaunchConfiguration) { |
| ILaunchConfiguration config = (ILaunchConfiguration) entry; |
| fPartialTypesAndConfigsSet.add(config); |
| try { |
| fPartialTypesAndConfigsSet.add(config.getType()); |
| } catch (CoreException ce) { |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ViewerFilter#select(Viewer, Object, Object) |
| */ |
| public boolean select(Viewer viewer, Object parentElement, Object element) { |
| if (fWorkingSet == null) { |
| return true; |
| } |
| |
| if (element instanceof ILaunchConfigurationType) { |
| return fWholeTypesSet.contains(element) || fPartialTypesAndConfigsSet.contains(element); |
| } else if (element instanceof ILaunchConfiguration) { |
| if (fPartialTypesAndConfigsSet.contains(element)) { |
| return true; |
| } |
| try { |
| ILaunchConfigurationType configType = ((ILaunchConfiguration)element).getType(); |
| return fWholeTypesSet.contains(configType); |
| } catch (CoreException ce) { |
| } |
| } |
| |
| return false; |
| } |
| |
| } |