ViewPatternFilter


1   /*******************************************************************************
2    * Copyright (c) 2005, 2006 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.ui.internal.dialogs;
12  
13  import org.eclipse.jface.viewers.Viewer;
14  import org.eclipse.ui.dialogs.PatternFilter;
15  import org.eclipse.ui.views.IViewCategory;
16  import org.eclipse.ui.views.IViewDescriptor;
17  
18  /**
19   * A class that handles filtering view node items based on a supplied
20   * matching string.
21   *  
22   * @since 3.2
23   *
24   */
25  public class ViewPatternFilter extends PatternFilter {
26  
27      /**
28       * Create a new instance of a ViewPatternFilter 
29       * @param isMatchItem
30       */
31      public ViewPatternFilter() {
32          super();
33      }
34  
35      /*
36       * (non-Javadoc)
37       * @see org.eclipse.ui.internal.dialogs.PatternFilter#isElementSelectable(java.lang.Object)
38       */
39      public boolean isElementSelectable(Object   element) {
40          return element instanceof IViewDescriptor;
41      }
42  
43      /* (non-Javadoc)
44       * @see org.eclipse.ui.dialogs.PatternFilter#isElementMatch(org.eclipse.jface.viewers.Viewer, java.lang.Object)
45       */
46      protected boolean isLeafMatch(Viewer viewer, Object   element) {
47          if (element instanceof IViewCategory) {
48              return false;
49          }
50  
51          String   text = null;
52          if (element instanceof IViewDescriptor) {
53              IViewDescriptor desc = (IViewDescriptor) element;
54              text = desc.getLabel();
55              if (wordMatches(text)) {
56                  return true;
57              }
58          }
59  
60          return false;
61      }
62  }
63
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags