org.eclipse.nebula.widgets.xviewer.util.internal.dialog.HtmlDialog.java Source code

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Here is the source code for org.eclipse.nebula.widgets.xviewer.util.internal.dialog.HtmlDialog.java

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/*******************************************************************************
 * Copyright (c) 2004, 2007 Boeing.
 * 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:
 *     Boeing - initial API and implementation
 *******************************************************************************/

package org.eclipse.nebula.widgets.xviewer.util.internal.dialog;

import java.io.File;
import java.io.IOException;
import java.util.logging.Level;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.nebula.widgets.xviewer.Activator;
import org.eclipse.nebula.widgets.xviewer.XViewerText;
import org.eclipse.nebula.widgets.xviewer.util.internal.XViewerLib;
import org.eclipse.nebula.widgets.xviewer.util.internal.XViewerLog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.LocationListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.program.Program;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;

/**
 * @author Donald G. Dunne
 */
public class HtmlDialog extends MessageDialog {
    protected Browser b;
    private LocationListener listener;
    private final String html;

    public HtmlDialog(String title, String message, String html) {
        super(Display.getCurrent().getActiveShell(), title, null, message, SWT.NONE,
                new String[] { XViewerText.get("button.ok"), XViewerText.get("button.cancel") }, 0); //$NON-NLS-1$ //$NON-NLS-2$
        this.html = html;
    }

    /**
     * Add listener to browser widget.
     */
    public void addLocationListener(LocationListener listener) {
        this.listener = listener;
    }

    @Override
    protected boolean isResizable() {
        return true;
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite c = (Composite) super.createDialogArea(parent);
        b = new Browser(c, SWT.BORDER);
        GridData gd = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL);
        b.setLayoutData(gd);
        b.setText(html);
        b.setSize(500, 500);
        if (listener != null) {
            b.addLocationListener(listener);
        }
        b.setMenu(pageOverviewGetPopup());

        return c;
    }

    public Menu pageOverviewGetPopup() {
        Menu menu = new Menu(b.getShell());
        MenuItem item = new MenuItem(menu, SWT.NONE);
        item.setText(XViewerText.get("HtmlDialog.menu.view_source")); //$NON-NLS-1$
        item.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(SelectionEvent e) {
                String file = System.getProperty("user.home") + File.separator + "out.html"; //$NON-NLS-1$ //$NON-NLS-2$
                try {
                    XViewerLib.writeStringToFile(html, new File(file));
                } catch (IOException ex) {
                    XViewerLog.logAndPopup(Activator.class, Level.SEVERE, ex);
                }
                Program.launch(file);
            }
        });
        return menu;
    }

}