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/*******************************************************************************
 * Copyright (c) 2000, 2005 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.internal.ui.actions;


import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationManager;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.widgets.Event;
import org.eclipse.ui.IActionDelegate2;
import org.eclipse.ui.IWorkbenchWindow;

/**
 * This is the super class of the Run & Debug actions which appears in the
 * desktop menu and toolbar.
 */
public abstract class ExecutionAction implements IActionDelegate2 {

	private String fLaunchGroupIdentifier;

	public ExecutionAction(String launchGroupIdentifier) {
		fLaunchGroupIdentifier = launchGroupIdentifier;
	}

	/**
	 * @see IActionDelegate2#runWithEvent(IAction, Event)
	 */
	@Override
	public void runWithEvent(IAction action, Event event) {
		run(action);
	}

	/**
	 * Open the launch configuration dialog, passing in the current workbench selection.
	 */
	private void openLaunchConfigurationDialog() {
		IWorkbenchWindow dwindow= DebugUIPlugin.getActiveWorkbenchWindow();
		if (dwindow == null) {
			return;
		}
		DebugUITools.openLaunchConfigurationDialogOnGroup(DebugUIPlugin.getShell(), new StructuredSelection(), fLaunchGroupIdentifier);
	}

	protected LaunchConfigurationManager getLaunchConfigurationManager() {
		return DebugUIPlugin.getDefault().getLaunchConfigurationManager();
	}

	/**
	 * Returns the mode of a launcher to use for this action
	 */
	protected abstract String getMode();

	/**
	 * @see org.eclipse.ui.IActionDelegate2#dispose()
	 */
	@Override
	public void dispose() {
	}

	/**
	 * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction)
	 */
	@Override
	public void init(IAction action) {
	}

	/**
	 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
	 */
	@Override
	public void run(IAction action) {
		ILaunchConfiguration configuration = getLaunchConfigurationManager().getLastLaunch(fLaunchGroupIdentifier);
		if (configuration == null) {
			openLaunchConfigurationDialog();
		} else {
			DebugUITools.launch(configuration, getMode());
		}
	}

	/**
	 * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
	 */
	@Override
	public void selectionChanged(IAction action, ISelection selection) {
	}

}

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