1 /*******************************************************************************
2  * Copyright (c) 2000, 2008 IBM Corporation and others.
3  *
4  * This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License 2.0
6  * which accompanies this distribution, and is available at
7  * https://www.eclipse.org/legal/epl-2.0/
8  *
9  * SPDX-License-Identifier: EPL-2.0
10  *
11  * Contributors:
12  *     IBM Corporation - initial API and implementation
13  *******************************************************************************/
14 package org.eclipse.ui.examples.javaeditor;
15 
16 
17 import org.eclipse.jface.action.IMenuManager;
18 import org.eclipse.jface.action.IToolBarManager;
19 import org.eclipse.jface.action.Separator;
20 
21 import org.eclipse.ui.IActionBars;
22 import org.eclipse.ui.IEditorPart;
23 import org.eclipse.ui.IWorkbenchActionConstants;
24 
25 import org.eclipse.ui.texteditor.ITextEditor;
26 import org.eclipse.ui.texteditor.ITextEditorActionConstants;
27 import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
28 import org.eclipse.ui.texteditor.RetargetTextEditorAction;
29 import org.eclipse.ui.texteditor.TextEditorAction;
30 
31 import org.eclipse.ui.editors.text.TextEditorActionContributor;
32 
33 /**
34  * Contributes interesting Java actions to the desktop's Edit menu and the toolbar.
35  */
36 public class JavaActionContributor extends TextEditorActionContributor {
37 
38 	protected RetargetTextEditorAction fContentAssistProposal;
39 	protected RetargetTextEditorAction fContentAssistTip;
40 	protected TextEditorAction fTogglePresentation;
41 
42 	/**
43 	 * Default constructor.
44 	 */
JavaActionContributor()45 	public JavaActionContributor() {
46 		super();
47 		fContentAssistProposal= new RetargetTextEditorAction(JavaEditorMessages.getResourceBundle(), "ContentAssistProposal."); //$NON-NLS-1$
48 		fContentAssistProposal.setActionDefinitionId(ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
49 		fContentAssistTip= new RetargetTextEditorAction(JavaEditorMessages.getResourceBundle(), "ContentAssistTip."); //$NON-NLS-1$
50 		fContentAssistTip.setActionDefinitionId(ITextEditorActionDefinitionIds.CONTENT_ASSIST_CONTEXT_INFORMATION);
51 		fTogglePresentation= new PresentationAction();
52 	}
53 
54 	@Override
init(IActionBars bars)55 	public void init(IActionBars bars) {
56 		super.init(bars);
57 
58 		IMenuManager menuManager= bars.getMenuManager();
59 		IMenuManager editMenu= menuManager.findMenuUsingPath(IWorkbenchActionConstants.M_EDIT);
60 		if (editMenu != null) {
61 			editMenu.add(new Separator());
62 			editMenu.add(fContentAssistProposal);
63 			editMenu.add(fContentAssistTip);
64 		}
65 
66 		IToolBarManager toolBarManager= bars.getToolBarManager();
67 		if (toolBarManager != null) {
68 			toolBarManager.add(new Separator());
69 			toolBarManager.add(fTogglePresentation);
70 		}
71 	}
72 
doSetActiveEditor(IEditorPart part)73 	private void doSetActiveEditor(IEditorPart part) {
74 		super.setActiveEditor(part);
75 
76 		ITextEditor editor= null;
77 		if (part instanceof ITextEditor)
78 			editor= (ITextEditor) part;
79 
80 		fContentAssistProposal.setAction(getAction(editor, ITextEditorActionConstants.CONTENT_ASSIST));
81 		fContentAssistTip.setAction(getAction(editor, ITextEditorActionConstants.CONTENT_ASSIST_CONTEXT_INFORMATION));
82 
83 		fTogglePresentation.setEditor(editor);
84 		fTogglePresentation.update();
85 	}
86 
87 	@Override
setActiveEditor(IEditorPart part)88 	public void setActiveEditor(IEditorPart part) {
89 		super.setActiveEditor(part);
90 		doSetActiveEditor(part);
91 	}
92 
93 	@Override
dispose()94 	public void dispose() {
95 		doSetActiveEditor(null);
96 		super.dispose();
97 	}
98 }
99