| /******************************************************************************* |
| * Copyright (c) 2007, 2008 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.internal.keys; |
| |
| import org.eclipse.core.commands.Category; |
| import org.eclipse.core.commands.ParameterizedCommand; |
| import org.eclipse.core.commands.common.NotDefinedException; |
| import org.eclipse.jface.bindings.Binding; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.ui.dialogs.PatternFilter; |
| import org.eclipse.ui.internal.keys.model.BindingElement; |
| |
| class CategoryPatternFilter extends PatternFilter { |
| private boolean filterCategories; |
| final Category uncategorized; |
| |
| public CategoryPatternFilter(boolean filterCategories, Category c) { |
| uncategorized = c; |
| filterCategories(filterCategories); |
| } |
| |
| public void filterCategories(boolean b) { |
| filterCategories = b; |
| if (filterCategories) { |
| setPattern("org.eclipse.ui.keys.optimization.false"); //$NON-NLS-1$ |
| } else { |
| setPattern("org.eclipse.ui.keys.optimization.true"); //$NON-NLS-1$ |
| } |
| } |
| |
| public boolean isFilteringCategories() { |
| return filterCategories; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.dialogs.PatternFilter#isLeafMatch(org.eclipse.jface.viewers.Viewer, |
| * java.lang.Object) |
| */ |
| protected boolean isLeafMatch(Viewer viewer, Object element) { |
| if (filterCategories) { |
| final ParameterizedCommand cmd = getCommand(element); |
| try { |
| if (cmd != null |
| && cmd.getCommand().getCategory() == uncategorized) { |
| return false; |
| } |
| } catch (NotDefinedException e) { |
| return false; |
| } |
| } |
| return super.isLeafMatch(viewer, element); |
| } |
| |
| private ParameterizedCommand getCommand(Object element) { |
| if (element instanceof BindingElement) { |
| Object modelObject = ((BindingElement) element).getModelObject(); |
| if (modelObject instanceof Binding) { |
| return ((Binding) modelObject).getParameterizedCommand(); |
| } else if (modelObject instanceof ParameterizedCommand) { |
| return (ParameterizedCommand) modelObject; |
| } |
| } |
| return null; |
| } |
| } |