/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package net.sourceforge.phpeclipse.webbrowser.views;

import net.sourceforge.phpeclipse.webbrowser.internal.WebBrowser;
import net.sourceforge.phpeclipse.webbrowser.internal.WebBrowserUtil;

import org.eclipse.swt.browser.ProgressListener;
import org.eclipse.swt.browser.StatusTextListener;
import org.eclipse.swt.browser.TitleListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.part.ViewPart;

/**
 * <code>BrowserView</code> is a simple demonstration of the SWT Browser widget. It consists of a workbench view and tab folder
 * where each tab in the folder allows the user to interact with a control.
 * 
 * @see ViewPart
 */
public class BrowserView extends ViewPart {
  public final static String ID_BROWSER = "net.sourceforge.phpeclipse.webbrowser.views";

  WebBrowser fInstance = null;
  String fUrl = null;

  /**
   * Create the example
   * 
   * @see ViewPart#createPartControl
   */
  public void createPartControl(Composite frame) {
    try {
      if (WebBrowserUtil.isInternalBrowserOperational()) {
        fInstance = new WebBrowser(frame, true, true);
      } 
    } catch (Exception e) {
      fInstance = null;
    }
  }

  /**
   * Called when we must grab focus.
   * 
   * @see org.eclipse.ui.part.ViewPart#setFocus
   */
  public void setFocus() {
    if (fInstance != null) {
      fInstance.setFocus();
    }
  }

  /**
   * Called when the View is to be disposed
   */
  public void dispose() {
    if (fInstance != null) {
      fInstance.dispose();
      fInstance = null;
    }
    super.dispose();
  }

  public void setUrl(final String url) {
    if (fInstance != null) {
      fUrl = url;
      fInstance.setURL(url);
      //      try {
      //        ResourcesPlugin.getWorkspace().run(new IWorkspaceRunnable() {
      //          public void run(IProgressMonitor monitor) throws CoreException {
      //            instance.setURL(url);
      //          }
      //        }, null);
      //      } catch (CoreException e) {
      //        // TODO Auto-generated catch block
      //        e.printStackTrace();
      //      }
    }
  }

  public void refresh() {
    if (fInstance != null) {
      fInstance.refresh();
      //      try {
      //        ResourcesPlugin.getWorkspace().run(new IWorkspaceRunnable() {
      //          public void run(IProgressMonitor monitor) throws CoreException {
      //            instance.refresh();
      //          }
      //        }, null);
      //      } catch (CoreException e) {
      //        // TODO Auto-generated catch block
      //        e.printStackTrace();
      //      }
    }
  }

  public void refresh(String url) {
    if (fInstance != null) {
      if (fUrl==null || !fUrl.equals(url) ) {
        setUrl(url);
      } else {
        refresh();
      }
    }
  } 
  
  public void addProgressListener(ProgressListener listener) {
    if (fInstance != null) {
      fInstance.addProgressListener(listener);
    }
  }

  public void addStatusTextListener(StatusTextListener listener) {
    if (fInstance != null) {
      fInstance.addStatusTextListener(listener);
    }
  }

  public void addTitleListener(TitleListener listener) {
    if (fInstance != null) {
      fInstance.addTitleListener(listener);
    }
  }
}