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Java > Open Source Codes > org > eclipse > ui > internal > navigator > filters > FilterActionGroup


1 /*******************************************************************************
2  * Copyright (c) 2006, 2007 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
12 package org.eclipse.ui.internal.navigator.filters;
13
14 import java.util.Iterator JavaDoc;
15 import java.util.LinkedHashSet JavaDoc;
16 import java.util.Set JavaDoc;
17
18 import org.eclipse.core.runtime.Assert;
19 import org.eclipse.jface.action.GroupMarker;
20 import org.eclipse.jface.action.IAction;
21 import org.eclipse.jface.action.IMenuManager;
22 import org.eclipse.jface.action.Separator;
23 import org.eclipse.jface.resource.ImageDescriptor;
24 import org.eclipse.ui.IActionBars;
25 import org.eclipse.ui.IWorkbenchActionConstants;
26 import org.eclipse.ui.actions.ActionGroup;
27 import org.eclipse.ui.internal.navigator.NavigatorPlugin;
28 import org.eclipse.ui.navigator.CommonViewer;
29 import org.eclipse.ui.navigator.INavigatorViewerDescriptor;
30
31 /**
32  * Creates the last 5 filters that were touched as view menu options.
33  *
34  * @since 3.2
35  *
36  */
37 public class FilterActionGroup extends ActionGroup {
38
39     private static final String JavaDoc FILTER_ACTION_GROUP = "filterActionGroup"; //$NON-NLS-1$
40
41     private static final String JavaDoc FILTER_ACTION_GROUP_FILTERS_START = FILTER_ACTION_GROUP+"Filters-start"; //$NON-NLS-1$
42
43     private static final String JavaDoc FILTER_ACTION_GROUP_FILTERS_END = FILTER_ACTION_GROUP+"Filters-end"; //$NON-NLS-1$
44
45     private SelectFiltersAction selectFiltersAction;
46     private CommonViewer commonViewer;
47     private INavigatorViewerDescriptor viewerDescriptor;
48     
49     private final Set JavaDoc filterShortcutActions = new LinkedHashSet JavaDoc();
50     
51
52     /**
53      * @param aCommonViewer The viewer this action group is associated with
54      */
55     public FilterActionGroup(CommonViewer aCommonViewer) {
56         Assert.isNotNull(aCommonViewer);
57         commonViewer = aCommonViewer;
58         viewerDescriptor = commonViewer.getNavigatorContentService().getViewerDescriptor();
59         makeActions();
60     }
61
62     /*
63      * (non-Javadoc)
64      *
65      * @see org.eclipse.ui.actions.ActionGroup#fillActionBars(org.eclipse.ui.IActionBars)
66      */
67     public void fillActionBars(IActionBars actionBars) {
68         IMenuManager menu = actionBars.getMenuManager();
69         menu.appendToGroup(IWorkbenchActionConstants.MB_ADDITIONS,
70                 new Separator(FILTER_ACTION_GROUP));
71         if (selectFiltersAction != null) {
72             menu.appendToGroup(FILTER_ACTION_GROUP,
73                     selectFiltersAction);
74             
75             menu.appendToGroup(FILTER_ACTION_GROUP,
76                     new GroupMarker(FILTER_ACTION_GROUP_FILTERS_START));
77             
78             menu.appendToGroup(FILTER_ACTION_GROUP_FILTERS_START,
79                     new Separator(FILTER_ACTION_GROUP_FILTERS_END));
80             
81             
82             for (Iterator JavaDoc iter = filterShortcutActions.iterator(); iter.hasNext();) {
83                 IAction action = (IAction) iter.next();
84                 menu.appendToGroup(FILTER_ACTION_GROUP_FILTERS_START, action);
85             }
86             
87         }
88     }
89     
90     /* (non-Javadoc)
91      * @see org.eclipse.ui.actions.ActionGroup#fillContextMenu(org.eclipse.jface.action.IMenuManager)
92      */
93     public void fillContextMenu(IMenuManager menu) {
94         super.fillContextMenu(menu);
95     }
96
97     /**
98      *
99      */
100     private void makeActions() {
101         boolean hideAvailableCustomizationsDialog = viewerDescriptor
102                 .getBooleanConfigProperty(INavigatorViewerDescriptor.PROP_HIDE_AVAILABLE_CUSTOMIZATIONS_DIALOG);
103         if (!hideAvailableCustomizationsDialog) {
104             selectFiltersAction = new SelectFiltersAction(commonViewer, this);
105             ImageDescriptor selectFiltersIcon = NavigatorPlugin.getImageDescriptor("icons/full/elcl16/filter_ps.gif"); //$NON-NLS-1$
106 selectFiltersAction.setImageDescriptor(selectFiltersIcon);
107             selectFiltersAction.setHoverImageDescriptor(selectFiltersIcon);
108         }
109     }
110     
111     protected void updateFilterShortcuts() {
112         
113     }
114 }
115
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