core/plugins/org.eclipse.dltk.ui/src/org/eclipse/dltk/internal/ui/callhierarchy/ToggleCallModeAction.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 call direction of the call hierarchy (i.e. toggles between showing callers and callees.)
 */
class ToggleCallModeAction extends Action {

    private CallHierarchyViewPart fView;
    private int fMode;

    public ToggleCallModeAction(CallHierarchyViewPart v, int mode) {
        super("", AS_RADIO_BUTTON); //$NON-NLS-1$
        if (mode == CallHierarchyViewPart.CALL_MODE_CALLERS) {
            setText(CallHierarchyMessages.ToggleCallModeAction_callers_label);
            setDescription(CallHierarchyMessages.ToggleCallModeAction_callers_description);
            setToolTipText(CallHierarchyMessages.ToggleCallModeAction_callers_tooltip);
            DLTKPluginImages.setLocalImageDescriptors(this, "ch_callers.png"); //$NON-NLS-1$
        } else if (mode == CallHierarchyViewPart.CALL_MODE_CALLEES) {
            setText(CallHierarchyMessages.ToggleCallModeAction_callees_label);
            setDescription(CallHierarchyMessages.ToggleCallModeAction_callees_description);
            setToolTipText(CallHierarchyMessages.ToggleCallModeAction_callees_tooltip);
            DLTKPluginImages.setLocalImageDescriptors(this, "ch_callees.png"); //$NON-NLS-1$
        } else {
            Assert.isTrue(false);
        }
        fView= v;
        fMode= mode;
        if (DLTKCore.DEBUG) {
			System.err.println("Add help support here..."); //$NON-NLS-1$
		}

//        PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.CALL_HIERARCHY_TOGGLE_CALL_MODE_ACTION);
    }

    public int getMode() {
        return fMode;
    }

    @Override
	public void run() {
        fView.setCallMode(fMode); // will toggle the checked state
    }

}