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/*******************************************************************************
* Copyright (c) 2005, 2012 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.ui.actions;
import org.eclipse.jface.action.IAction;
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.ITextEditor;
/**
* Toggles a breakpoint when ruler is double-clicked. This action delegate can
* be contributed to an editor with the <code>editorActions</code> extension
* point. This action is as a factory that creates another action that performs
* the actual breakpoint toggling. The created action acts on the editor's
* <code>IToggleBreakpointsTagret</code> to toggle breakpoints.
* <p>
* Following is example plug-in XML used to contribute this action to an editor.
* Note that the label attribute of this action is not displayed in the editor.
* Instead, the label of the created action is displayed.
* </p>
*
* <pre>
* <extension point="org.eclipse.ui.editorActions">
* <editorContribution
* targetID="example.editor"
* id="example.rulerActions">
* <action
* label="Not Used"
* class="org.eclipse.debug.ui.actions.RulerToggleBreakpointActionDelegate"
* style="push"
* actionID="RulerDoubleClick"
* id="example.doubleClickBreakpointAction"/>
* </editorContribution>
* </extension>
* </pre>
* <p>
* This action can also be contributed to a vertical ruler context menu via the
* <code>popupMenus</code> extension point, by referencing the ruler's context
* menu identifier in the <code>targetID</code> attribute.
* </p>
*
* <pre>
* <extension point="org.eclipse.ui.popupMenus">
* <viewerContribution
* targetID="example.rulerContextMenuId"
* id="example.RulerPopupActions">
* <action
* label="Toggle Breakpoint"
* class="org.eclipse.debug.ui.actions.RulerToggleBreakpointActionDelegate"
* menubarPath="additions"
* id="example.rulerContextMenu.toggleBreakpointAction">
* </action>
* </viewerContribution>
* </pre>
* <p>
* Clients may refer to this class as an action delegate in plug-in XML.
* </p>
*
* @since 3.1
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public class RulerToggleBreakpointActionDelegate extends AbstractRulerActionDelegate implements IActionDelegate2 {
private IEditorPart fEditor = null;
private ToggleBreakpointAction fDelegate = null;
@Override
protected IAction createAction(ITextEditor editor, IVerticalRulerInfo rulerInfo) {
fDelegate = new ToggleBreakpointAction(editor, null, rulerInfo);
return fDelegate;
}
@Override
public void setActiveEditor(IAction callerAction, IEditorPart targetEditor) {
if (fEditor != null) {
if (fDelegate != null) {
fDelegate.dispose();
fDelegate = null;
}
}
fEditor = targetEditor;
super.setActiveEditor(callerAction, targetEditor);
}
@Override
public void init(IAction action) {
}
@Override
public void dispose() {
if (fDelegate != null) {
fDelegate.dispose();
}
fDelegate = null;
fEditor = null;
}
@Override
public void runWithEvent(IAction action, Event event) {
if(fDelegate != null) {
fDelegate.runWithEvent(event);
}
}
}
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