core/plugins/org.eclipse.dltk.testing/src/org/eclipse/dltk/internal/testing/ui/ScrollLockAction.java

/*******************************************************************************
 * Copyright (c) 2000, 2016 IBM Corporation and others.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 * 
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.dltk.internal.testing.ui;


import org.eclipse.jface.action.Action;
import org.eclipse.ui.PlatformUI;

import org.eclipse.dltk.testing.DLTKTestingMessages;
import org.eclipse.dltk.testing.DLTKTestingPlugin;

/**
 * Toggles console auto-scroll
 */
public class ScrollLockAction extends Action {

	private TestRunnerViewPart fRunnerViewPart;

	public ScrollLockAction(TestRunnerViewPart viewer) {
		super(DLTKTestingMessages.ScrollLockAction_action_label); 
		fRunnerViewPart= viewer;
		setToolTipText(DLTKTestingMessages.ScrollLockAction_action_tooltip); 
		setDisabledImageDescriptor(DLTKTestingPlugin.getImageDescriptor("dlcl16/lock.gif")); //$NON-NLS-1$
		setHoverImageDescriptor(DLTKTestingPlugin.getImageDescriptor("elcl16/lock.gif")); //$NON-NLS-1$
		setImageDescriptor(DLTKTestingPlugin.getImageDescriptor("elcl16/lock.gif")); //$NON-NLS-1$
		PlatformUI.getWorkbench().getHelpSystem().setHelp(
			this,
			IDLTKTestingHelpContextIds.OUTPUT_SCROLL_LOCK_ACTION);
		setChecked(false);
	}

	@Override
	public void run() {
		fRunnerViewPart.setAutoScroll(!isChecked());
	}
}