core/plugins/org.eclipse.dltk.ui/src/org/eclipse/dltk/internal/ui/callhierarchy/ToggleOrientationAction.java

/*******************************************************************************
 * Copyright (c) 2000, 2017 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
 *
 *******************************************************************************/
package org.eclipse.dltk.internal.ui.callhierarchy;

import org.eclipse.core.runtime.Assert;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.ui.DLTKPluginImages;
import org.eclipse.jface.action.Action;


/**
 * Toggles the orientationof the layout of the call hierarchy
 */
class ToggleOrientationAction extends Action {

    private CallHierarchyViewPart fView;
    private int fActionOrientation;

    public ToggleOrientationAction(CallHierarchyViewPart v, int orientation) {
        super("", AS_RADIO_BUTTON); //$NON-NLS-1$
        if (orientation == CallHierarchyViewPart.VIEW_ORIENTATION_HORIZONTAL) {
            setText(CallHierarchyMessages.ToggleOrientationAction_horizontal_label);
            setDescription(CallHierarchyMessages.ToggleOrientationAction_horizontal_description);
            setToolTipText(CallHierarchyMessages.ToggleOrientationAction_horizontal_tooltip);
            DLTKPluginImages.setLocalImageDescriptors(this, "th_horizontal.png"); //$NON-NLS-1$
        } else if (orientation == CallHierarchyViewPart.VIEW_ORIENTATION_VERTICAL) {
            setText(CallHierarchyMessages.ToggleOrientationAction_vertical_label);
            setDescription(CallHierarchyMessages.ToggleOrientationAction_vertical_description);
            setToolTipText(CallHierarchyMessages.ToggleOrientationAction_vertical_tooltip);
            DLTKPluginImages.setLocalImageDescriptors(this, "th_vertical.png"); //$NON-NLS-1$
		} else if (orientation == CallHierarchyViewPart.VIEW_ORIENTATION_AUTOMATIC) {
			setText(CallHierarchyMessages.ToggleOrientationAction_automatic_label);
			setDescription(CallHierarchyMessages.ToggleOrientationAction_automatic_description);
			setToolTipText(CallHierarchyMessages.ToggleOrientationAction_automatic_tooltip);
			DLTKPluginImages.setLocalImageDescriptors(this, "th_automatic.png"); //$NON-NLS-1$
        } else if (orientation == CallHierarchyViewPart.VIEW_ORIENTATION_SINGLE) {
            setText(CallHierarchyMessages.ToggleOrientationAction_single_label);
            setDescription(CallHierarchyMessages.ToggleOrientationAction_single_description);
            setToolTipText(CallHierarchyMessages.ToggleOrientationAction_single_tooltip);
            DLTKPluginImages.setLocalImageDescriptors(this, "th_single.png"); //$NON-NLS-1$
        } else {
            Assert.isTrue(false);
        }
        fView= v;
        fActionOrientation= orientation;
        if (DLTKCore.DEBUG) {
			System.err.println("Add help support here..."); //$NON-NLS-1$
		}
        //PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.CALL_HIERARCHY_TOGGLE_ORIENTATION_ACTION);
    }

    public int getOrientation() {
        return fActionOrientation;
    }

    @Override
	public void run() {
		if (isChecked()) {
			fView.fOrientation= fActionOrientation;
			fView.computeOrientation();
		}
    }

}