| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * |
| * 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.team.internal.ccvs.ui.tags; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.team.internal.ccvs.core.CVSTag; |
| import org.eclipse.team.internal.ccvs.core.util.StringMatcher; |
| import org.eclipse.ui.model.IWorkbenchAdapter; |
| |
| /** |
| * Workbench model element that returns a filtered list of tags |
| */ |
| public class FilteredTagList implements IWorkbenchAdapter, IAdaptable { |
| |
| private final TagSource tagSource; |
| private final int[] types; |
| private StringMatcher matcher; |
| |
| public FilteredTagList(TagSource tagSource, int[] types) { |
| this.tagSource = tagSource; |
| this.types = types; |
| } |
| |
| @Override |
| public Object[] getChildren(Object o) { |
| CVSTag[] tags = getTags(); |
| List<TagElement> filtered = new ArrayList<>(); |
| for (int i = 0; i < tags.length; i++) { |
| CVSTag tag = tags[i]; |
| if (select(tag)) { |
| filtered.add(new TagElement(this, tag)); |
| } |
| } |
| return filtered.toArray(new Object[filtered.size()]); |
| } |
| |
| private boolean select(CVSTag tag) { |
| if (matcher == null) return true; |
| return matcher.match(tag.getName()); |
| } |
| |
| private CVSTag[] getTags() { |
| return tagSource.getTags(types); |
| } |
| |
| @Override |
| public ImageDescriptor getImageDescriptor(Object object) { |
| return null; |
| } |
| |
| @Override |
| public String getLabel(Object o) { |
| return null; |
| } |
| |
| @Override |
| public Object getParent(Object o) { |
| return null; |
| } |
| |
| @Override |
| public <T> T getAdapter(Class<T> adapter) { |
| if (adapter == IWorkbenchAdapter.class) return adapter.cast(this); |
| return null; |
| } |
| |
| public void setPattern(String pattern) { |
| if (!pattern.endsWith("*")) { //$NON-NLS-1$ |
| pattern += "*"; //$NON-NLS-1$ |
| } |
| matcher = new StringMatcher(pattern, true, false); |
| } |
| |
| public CVSTag[] getMatchingTags() { |
| CVSTag[] tags = getTags(); |
| List<CVSTag> filtered = new ArrayList<>(); |
| for (int i = 0; i < tags.length; i++) { |
| CVSTag tag = tags[i]; |
| if (select(tag)) { |
| filtered.add(tag); |
| } |
| } |
| return filtered.toArray(new CVSTag[filtered.size()]); |
| } |
| |
| } |