Package gov.nasa.arc.mct.gui.housing

Source Code of gov.nasa.arc.mct.gui.housing.MCTIconPopupOpener

/*******************************************************************************
* Mission Control Technologies, Copyright (c) 2009-2012, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*
* MCT includes source code licensed under additional open source licenses. See
* the MCT Open Source Licenses file included with this distribution or the About
* MCT Licenses dialog available at runtime from the MCT Help menu for additional
* information.
*******************************************************************************/
package gov.nasa.arc.mct.gui.housing;

import gov.nasa.arc.mct.components.AbstractComponent;
import gov.nasa.arc.mct.gui.ViewProvider;
import gov.nasa.arc.mct.gui.housing.registry.UserEnvironmentRegistry;
import gov.nasa.arc.mct.gui.impl.ActionContextImpl;
import gov.nasa.arc.mct.gui.menu.MenuFactory;
import gov.nasa.arc.mct.util.logging.MCTLogger;

import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.JComponent;
import javax.swing.JPopupMenu;

public class MCTIconPopupOpener extends MouseAdapter {
    private final static MCTLogger logger = MCTLogger.getLogger(MCTDirectoryArea.class);

    private AbstractComponent component;
    private JComponent viewManifestation;

    /**
     * This mouse listener uses the MCT component and view manifestation to build an Action context;
     * and the view manifestation to anchor the popup menu display.
     * @param comp An MCT component.
     * @param viewManif A JComponent that supports the ViewManifestationProvider interface.
     */
    public MCTIconPopupOpener(AbstractComponent comp, JComponent viewManif) {
        viewManifestation = viewManif;
        component = comp;
    }

    @Override
    public void mouseClicked(MouseEvent e) {
        if (e.isPopupTrigger())
            showPopupMenu(e);
    }

    @Override
    public void mousePressed(MouseEvent e) {
        if (e.isPopupTrigger())
            showPopupMenu(e);
    }

    @Override
    public void mouseReleased(MouseEvent e) {
        if (e.isPopupTrigger())
            showPopupMenu(e);
    }

    private void showPopupMenu(MouseEvent e) {
        if (viewManifestation == null ) {
            return;
        }
        if ( !(viewManifestation instanceof ViewProvider)) {
            logger.error("JComponent object needs to implement ViewManifestationProvider interface");
            return;
        }
        // Set action context.
        ActionContextImpl context = new ActionContextImpl();
        context.setTargetComponent(component);
        context.addTargetViewComponent(viewManifestation);
        context.setTargetHousing(UserEnvironmentRegistry.getActiveHousing());

        JPopupMenu popupMenu = MenuFactory.createIconPopupMenu(context);
        viewManifestation.setComponentPopupMenu(popupMenu);
        popupMenu.show(viewManifestation, e.getX(), e.getY());
    }
}
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