| /******************************************************************************* |
| * Copyright (c) 2020, Andrey Loskutov <loskutov@gmx.de> and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Andrey Loskutov <loskutov@gmx.de> - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.ui.actions; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.text.TextSelection; |
| import org.eclipse.jface.text.source.IVerticalRulerInfo; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.ui.IActionDelegate2; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.texteditor.AbstractRulerActionDelegate; |
| import org.eclipse.ui.texteditor.IDocumentProvider; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| public class RulerToggleTracepointActionDelegate extends AbstractRulerActionDelegate implements IActionDelegate2 { |
| |
| private IEditorPart currentEditor; |
| private IAction dummyAction; |
| |
| @Override |
| protected IAction createAction(ITextEditor editor, IVerticalRulerInfo rulerInfo) { |
| dummyAction = new Action() { |
| // empty implementation to make compiler happy |
| }; |
| return dummyAction; |
| } |
| |
| @Override |
| public void setActiveEditor(IAction callerAction, IEditorPart targetEditor) { |
| currentEditor = targetEditor; |
| } |
| |
| @Override |
| public void init(IAction action) { |
| } |
| |
| @Override |
| public void dispose() { |
| currentEditor = null; |
| dummyAction = null; |
| super.dispose(); |
| } |
| |
| @Override |
| public void runWithEvent(IAction action, Event event) { |
| if (!(currentEditor instanceof ITextEditor)) { |
| return; |
| } |
| IVerticalRulerInfo rulerInfo = currentEditor.getAdapter(IVerticalRulerInfo.class); |
| if (rulerInfo == null) { |
| return; |
| } |
| int lineOfLastMouseButtonActivity = rulerInfo.getLineOfLastMouseButtonActivity(); |
| if (lineOfLastMouseButtonActivity < 0) { |
| return; |
| } |
| IDocument document = getDocument((ITextEditor) currentEditor); |
| if (document == null) { |
| return; |
| } |
| ToggleBreakpointAdapter toggle = new ToggleBreakpointAdapter(); |
| try { |
| ITextSelection selection = getTextSelection(document, lineOfLastMouseButtonActivity); |
| if (toggle.canToggleLineBreakpoints(currentEditor, selection)) { |
| BreakpointToggleUtils.setUnsetTracepoints(true); |
| toggle.toggleBreakpoints(currentEditor, selection); |
| } |
| } catch (BadLocationException | CoreException e) { |
| DebugUIPlugin.log(e); |
| } |
| } |
| |
| private static IDocument getDocument(ITextEditor editor) { |
| IDocumentProvider provider = editor.getDocumentProvider(); |
| if (provider != null) { |
| return provider.getDocument(editor.getEditorInput()); |
| } |
| IDocument doc = editor.getAdapter(IDocument.class); |
| if (doc != null) { |
| return doc; |
| } |
| return null; |
| } |
| |
| private static ITextSelection getTextSelection(IDocument document, int line) throws BadLocationException { |
| IRegion region = document.getLineInformation(line); |
| return new TextSelection(document, region.getOffset(), 0); |
| } |
| } |