case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/workingsets/ViewActionGroup.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2011 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.jdt.internal.ui.workingsets;
  12
  13 import org.eclipse.jface.action.IMenuManager;
  14 import org.eclipse.jface.action.MenuManager;
  15 import org.eclipse.jface.action.Separator;
  16 import org.eclipse.jface.util.IPropertyChangeListener;
  17 import org.eclipse.jface.util.PropertyChangeEvent;
  18 import org.eclipse.jface.viewers.ISelectionProvider;
  19 import org.eclipse.jface.viewers.StructuredViewer;
  20 import org.eclipse.jface.viewers.ViewerFilter;
  21
  22 import org.eclipse.ui.IActionBars;
  23 import org.eclipse.ui.IMemento;
  24 import org.eclipse.ui.IWorkbenchPartSite;
  25 import org.eclipse.ui.actions.ActionGroup;
  26
  27 import org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart;
  28
  29 /**
  30  * An action group to provide access to the working sets.
  31  */
  32 public class ViewActionGroup extends ActionGroup {
  33
  34         static final int SHOW_PROJECTS= PackageExplorerPart.PROJECTS_AS_ROOTS;
  35         private static final int SHOW_WORKING_SETS= PackageExplorerPart.WORKING_SETS_AS_ROOTS;
  36
  37         public static final String MODE_CHANGED= ViewActionGroup.class.getName() + ".mode_changed"; //$NON-NLS-1$
  38
  39         private static final Integer INT_SHOW_PROJECTS= new Integer(SHOW_PROJECTS);
  40         private static final Integer INT_SHOW_WORKING_SETS= new Integer(SHOW_WORKING_SETS);
  41
  42         private IPropertyChangeListener fChangeListener;
  43
  44         int fMode;
  45         private IMenuManager fMenuManager;
  46         private IWorkingSetActionGroup fActiveActionGroup;
  47         final WorkingSetShowActionGroup fShowActionGroup;
  48         private final WorkingSetFilterActionGroup fFilterActionGroup;
  49         final ConfigureWorkingSetAssignementAction fWorkingSetAssignementAction;
  50         private final IWorkbenchPartSite fSite;
  51
  52         public ViewActionGroup(int mode, IPropertyChangeListener changeListener, IWorkbenchPartSite site) {
  53                 fChangeListener= changeListener;
  54                 fSite= site;
  55                 if (fChangeListener == null) {
  56                         fChangeListener = new IPropertyChangeListener() {
  57                                 public void propertyChange(PropertyChangeEvent event) {}
  58                         };
  59                 }
  60                 fFilterActionGroup= new WorkingSetFilterActionGroup(site, fChangeListener);
  61                 fShowActionGroup= new WorkingSetShowActionGroup(site);
  62                 fWorkingSetAssignementAction= new ConfigureWorkingSetAssignementAction(site);
  63
  64                 ISelectionProvider selectionProvider= site.getSelectionProvider();
  65                 selectionProvider.addSelectionChangedListener(fWorkingSetAssignementAction);
  66
  67                 fMode= mode;
  68                 if (fMode == SHOW_WORKING_SETS)
  69                         fActiveActionGroup= fShowActionGroup;
  70                 else
  71                         fActiveActionGroup= fFilterActionGroup;
  72         }
  73
  74         @Override
  75         public void dispose() {
  76                 fFilterActionGroup.dispose();
  77                 fShowActionGroup.dispose();
  78                 fChangeListener= null;
  79                 ISelectionProvider selectionProvider= fSite.getSelectionProvider();
  80                 selectionProvider.removeSelectionChangedListener(fWorkingSetAssignementAction);
  81                 super.dispose();
  82         }
  83
  84         public void setWorkingSetModel(WorkingSetModel model) {
  85                 model.generated_8624313112138890587(this);
  86         }
  87
  88         @Override
  89         public void fillContextMenu(IMenuManager menu) {
  90                 fWorkingSetAssignementAction.generated_2947962041716964673(menu);
  91         }
  92
  93         /**
  94          * {@inheritDoc}
  95          */
  96         @Override
  97         public void fillActionBars(IActionBars actionBars) {
  98                 super.fillActionBars(actionBars);
  99                 fMenuManager= actionBars.getMenuManager();
 100                 fillViewMenu(fMenuManager);
 101
 102                 if (fActiveActionGroup == null)
 103                         fActiveActionGroup= fFilterActionGroup;
 104                 ((ActionGroup)fActiveActionGroup).fillActionBars(actionBars);
 105         }
 106
 107         private void fillViewMenu(IMenuManager menu) {
 108                 IMenuManager showMenu= new MenuManager(WorkingSetMessages.ViewActionGroup_show_label);
 109                 fillShowMenu(showMenu);
 110                 menu.add(showMenu);
 111                 menu.add(new Separator(IWorkingSetActionGroup.ACTION_GROUP));
 112         }
 113
 114         private void fillShowMenu(IMenuManager menu) {
 115                 ViewAction projects= new ViewAction(this, SHOW_PROJECTS);
 116                 projects.setText(WorkingSetMessages.ViewActionGroup_projects_label);
 117                 menu.add(projects);
 118                 ViewAction workingSets= new ViewAction(this, SHOW_WORKING_SETS);
 119                 workingSets.generated_7797204274374592903(menu, projects, this);
 120         }
 121
 122         public void fillFilters(StructuredViewer viewer) {
 123                 ViewerFilter workingSetFilter= fFilterActionGroup.getWorkingSetFilter();
 124                 if (fMode == SHOW_PROJECTS) {
 125                         viewer.addFilter(workingSetFilter);
 126                 } else {
 127                         viewer.removeFilter(workingSetFilter);
 128                 }
 129         }
 130
 131         public void setMode(int mode) {
 132                 fMode= mode;
 133                 fActiveActionGroup.cleanViewMenu(fMenuManager);
 134                 PropertyChangeEvent event;
 135                 if (mode == SHOW_PROJECTS) {
 136                         fActiveActionGroup= fFilterActionGroup;
 137                         event= new PropertyChangeEvent(this, MODE_CHANGED, INT_SHOW_WORKING_SETS, INT_SHOW_PROJECTS);
 138                 } else {
 139                         fActiveActionGroup= fShowActionGroup;
 140                         event= new PropertyChangeEvent(this, MODE_CHANGED, INT_SHOW_PROJECTS, INT_SHOW_WORKING_SETS);
 141                 }
 142                 fActiveActionGroup.fillViewMenu(fMenuManager);
 143                 fMenuManager.updateAll(true);
 144                 if(fChangeListener != null)
 145                         fChangeListener.propertyChange(event);
 146         }
 147
 148         public WorkingSetFilterActionGroup getFilterGroup() {
 149                 return fFilterActionGroup;
 150         }
 151
 152         public void restoreState(IMemento memento) {
 153                 fFilterActionGroup.restoreState(memento);
 154         }
 155
 156         public void saveState(IMemento memento) {
 157                 fFilterActionGroup.saveState(memento);
 158         }
 159 }