ac.soton.multisim.ui.policies.DisplayComponentOpenEditPolicy.java Source code

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Here is the source code for ac.soton.multisim.ui.policies.DisplayComponentOpenEditPolicy.java

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/**
 * Copyright (c) 2014 University of Southampton.
 * 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
 */
package ac.soton.multisim.ui.policies;

import info.monitorenter.gui.chart.Chart2D;

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JPanel;

import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.OpenEditPolicy;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.PlatformUI;

import ac.soton.multisim.DisplayComponent;
import ac.soton.multisim.diagram.edit.parts.DisplayComponentEditPart;
import ac.soton.multisim.exception.ModelException;
import ac.soton.multisim.exception.SimulationException;
import ac.soton.multisim.ui.MultisimUIActivator;

/**
 * Open edit policy for Display edit part to show the chart on double-click.
 *  
 * @author vitaly
 *
 */
public final class DisplayComponentOpenEditPolicy extends OpenEditPolicy {

    @Override
    protected Command getOpenCommand(Request request) {
        final DisplayComponentEditPart part = (DisplayComponentEditPart) getHost();
        return new Command() {
            @Override
            public void execute() {
                final DisplayComponent component = (DisplayComponent) part.resolveSemanticElement();
                assert component != null;

                if (component.getChart() == null) {
                    try {
                        component.instantiate();
                    } catch (SimulationException | ModelException e) {
                        MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                                "Display Error", "Failed to instantiate the Display. See error log for details.");
                        MultisimUIActivator.getDefault().logError("Display instantiation failed", e);
                        return;
                    }
                }

                final Chart2D chart = component.getChart();

                // display the chart if not visible yet
                if (!chart.isVisible()) {
                    JPanel container = new JPanel();
                    container.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
                    container.setBackground(java.awt.Color.WHITE);
                    container.setLayout(new java.awt.BorderLayout());
                    container.add(chart, java.awt.BorderLayout.CENTER);

                    final JFrame frame = new JFrame("Display");
                    frame.getContentPane().add(container);
                    frame.setSize(300, 300);
                    frame.addWindowListener(new WindowAdapter() {
                        public void windowClosing(WindowEvent e) {
                            frame.dispose();
                            chart.setVisible(false);
                        }
                    });
                    chart.setVisible(true);
                    frame.setVisible(true);
                }
            }
        };
    }
}