diff options
Diffstat (limited to 'org.eclipse.mylyn.tasks.index.ui/src/org/eclipse/mylyn/internal/tasks/index/ui/IndexedSubstringPatternFilter.java')
-rw-r--r-- | org.eclipse.mylyn.tasks.index.ui/src/org/eclipse/mylyn/internal/tasks/index/ui/IndexedSubstringPatternFilter.java | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/org.eclipse.mylyn.tasks.index.ui/src/org/eclipse/mylyn/internal/tasks/index/ui/IndexedSubstringPatternFilter.java b/org.eclipse.mylyn.tasks.index.ui/src/org/eclipse/mylyn/internal/tasks/index/ui/IndexedSubstringPatternFilter.java new file mode 100644 index 000000000..ab0379efc --- /dev/null +++ b/org.eclipse.mylyn.tasks.index.ui/src/org/eclipse/mylyn/internal/tasks/index/ui/IndexedSubstringPatternFilter.java @@ -0,0 +1,56 @@ +/******************************************************************************* + * Copyright (c) 2011 Tasktop Technologies. + * 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: + * Tasktop Technologies - initial API and implementation + *******************************************************************************/ +package org.eclipse.mylyn.internal.tasks.index.ui; + +import org.eclipse.jface.viewers.Viewer; +import org.eclipse.mylyn.commons.workbench.SubstringPatternFilter; +import org.eclipse.mylyn.internal.tasks.index.core.TaskListIndex; +import org.eclipse.mylyn.tasks.core.ITask; + +/** + * A pattern filter that uses a {@link TaskListIndex} to support ITask matching. + * + * @author David Green + */ +public class IndexedSubstringPatternFilter extends SubstringPatternFilter { + + private final TaskListIndex index; + + private String patternString; + + public IndexedSubstringPatternFilter(TaskListIndex index) { + this.index = index; + } + + @Override + public void setPattern(String patternString) { + if (patternString != null) { + patternString = patternString.trim(); + } + this.patternString = patternString; + super.setPattern(patternString); + } + + @Override + protected boolean isLeafMatch(Viewer viewer, Object element) { + if (patternString != null && patternString.length() > 0) { + if (element instanceof ITask) { + ITask task = (ITask) element; + if (index.matches(task, patternString)) { + return true; + } else { + // fall through so that we get non-indexed matching semantics + } + } + } + return super.isLeafMatch(viewer, element); + } +} |