Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-before / ui / org / eclipse / jdt / internal / ui / compare / LocalHistoryActionGroup.java

diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/compare/LocalHistoryActionGroup.java b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/compare/LocalHistoryActionGroup.java
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+++ b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/compare/LocalHistoryActionGroup.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2011 IBM Corporation and others.
+ * 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.ui.compare;
+
+import org.eclipse.core.runtime.Assert;
+
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.MenuManager;
+
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.actions.ActionGroup;
+
+import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
+import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor;
+
+public class LocalHistoryActionGroup extends ActionGroup {
+
+       private String fGroupName;
+
+       private JavaHistoryAction fCompareWith;
+       private JavaHistoryAction fReplaceWithPrevious;
+       private JavaHistoryAction fReplaceWith;
+       private JavaHistoryAction fAddFrom;
+
+       public LocalHistoryActionGroup(CompilationUnitEditor editor, String groupName) {
+               Assert.isNotNull(groupName);
+               fGroupName= groupName;
+               fCompareWith= new JavaCompareWithEditionAction();
+               fCompareWith.init(editor,
+                       CompareMessages.LocalHistoryActionGroup_action_compare_with,
+                       CompareMessages.LocalHistoryActionGroup_action_compare_with_title,
+                       CompareMessages.LocalHistoryActionGroup_action_compare_with_message);
+               PlatformUI.getWorkbench().getHelpSystem().setHelp(fCompareWith, IJavaHelpContextIds.COMPARE_WITH_HISTORY_ACTION);
+
+               fReplaceWithPrevious= new JavaReplaceWithPreviousEditionAction();
+               fReplaceWithPrevious.init(editor,
+                       CompareMessages.LocalHistoryActionGroup_action_replace_with_previous,
+                       CompareMessages.LocalHistoryActionGroup_action_replace_with_previous_title,
+                       CompareMessages.LocalHistoryActionGroup_action_replace_with_previous_message);
+               PlatformUI.getWorkbench().getHelpSystem().setHelp(fReplaceWithPrevious, IJavaHelpContextIds.REPLACE_WITH_PREVIOUS_FROM_HISTORY_ACTION);
+
+               fReplaceWith= new JavaReplaceWithEditionAction();
+               fReplaceWith.init(editor,
+                       CompareMessages.LocalHistoryActionGroup_action_replace_with,
+                       CompareMessages.LocalHistoryActionGroup_action_replace_with_title,
+                       CompareMessages.LocalHistoryActionGroup_action_replace_with_message);
+               PlatformUI.getWorkbench().getHelpSystem().setHelp(fReplaceWith, IJavaHelpContextIds.REPLACE_WITH_HISTORY_ACTION);
+
+               fAddFrom= new JavaAddElementFromHistory();
+               fAddFrom.init(editor,
+                       CompareMessages.LocalHistoryActionGroup_action_add,
+                       CompareMessages.LocalHistoryActionGroup_action_add_title,
+                       CompareMessages.LocalHistoryActionGroup_action_add_message);
+               PlatformUI.getWorkbench().getHelpSystem().setHelp(fAddFrom, IJavaHelpContextIds.ADD_FROM_HISTORY_ACTION);
+       }
+
+       @Override
+       public void fillContextMenu(IMenuManager menu) {
+               super.fillContextMenu(menu);
+               IMenuManager localMenu= new MenuManager(CompareMessages.LocalHistoryActionGroup_menu_local_history);
+               int added= 0;
+               added+= addAction(localMenu, fCompareWith);
+               added+= addAction(localMenu, fReplaceWithPrevious);
+               added+= addAction(localMenu, fReplaceWith);
+               added+= addAction(localMenu, fAddFrom);
+               if (added > 0)
+                       menu.appendToGroup(fGroupName, localMenu);
+       }
+
+       private int addAction(IMenuManager menu, JavaHistoryAction action) {
+               action.update();
+               if (action.isEnabled()) {
+                       menu.add(action);
+                       return 1;
+               }
+               return 0;
+       }
+}