org.eclipse.gmf.examples.runtime.diagram.logic.internal.actions.IncrementDecrementAction.java Source code

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Here is the source code for org.eclipse.gmf.examples.runtime.diagram.logic.internal.actions.IncrementDecrementAction.java

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/******************************************************************************
 * Copyright (c) 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    IBM Corporation - initial API and implementation 
 ****************************************************************************/

package org.eclipse.gmf.examples.runtime.diagram.logic.internal.actions;

import java.util.HashMap;

import org.eclipse.gef.Request;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IWorkbenchPage;

import org.eclipse.gmf.examples.runtime.diagram.logic.internal.LogicDiagramPlugin;
import org.eclipse.gmf.runtime.diagram.ui.actions.DiagramAction;

/**
 * @author qili
 * 
 * Action to increment/decrement value for LED figures.
 */

public class IncrementDecrementAction extends DiagramAction implements LogicActionIds {

    private static final String INCREMENT_REQUEST = "Increment", //$NON-NLS-1$
            DECREMENT_REQUEST = "Decrement"; //$NON-NLS-1$

    private String actionId;

    private HashMap actionMap = new HashMap();
    {
        actionMap.put(ACTION_INCREMENT_VALUE, INCREMENT_REQUEST);
        actionMap.put(ACTION_DECREMENT_VALUE, DECREMENT_REQUEST);
    }

    /**
     * Construct a Decompose Action
     * 
     * @param workbenchPage
     */
    public IncrementDecrementAction(IWorkbenchPage workbenchPage, String actionId) {
        super(workbenchPage);
        this.actionId = actionId;
    }

    /**
     * @see org.eclipse.gmf.runtime.common.ui.internal.action.IDisposableAction#init()
     */
    public void init() {
        super.init();
        if (actionId.equals(ACTION_INCREMENT_VALUE)) {
            setId("Increment"); //$NON-NLS-1$
            setText("Increment"); //$NON-NLS-1$
            setToolTipText("Increment LED"); //$NON-NLS-1$
            setImageDescriptor(ImageDescriptor.createFromFile(LogicDiagramPlugin.class, "icons/plus.gif")); //$NON-NLS-1$
        } else if (actionId.equals(ACTION_DECREMENT_VALUE)) {
            setId("Decrement"); //$NON-NLS-1$
            setText("Decrement"); //$NON-NLS-1$
            setToolTipText("Decrement LED"); //$NON-NLS-1$
            setImageDescriptor(ImageDescriptor.createFromFile(LogicDiagramPlugin.class, "icons/minus.gif")); //$NON-NLS-1$
        }
    }

    /**
     * @see org.eclipse.gmf.runtime.diagram.ui.actions.DiagramAction#createTargetRequest()
     */
    protected Request createTargetRequest() {
        return new Request(actionMap.get(actionId));
    }

    /**
     * @see org.eclipse.gmf.runtime.common.ui.internal.action.AbstractActionHandler#isSelectionListener()
     */
    protected boolean isSelectionListener() {
        return true;
    }
}