/***********************************************************************************************************************************
 * Copyright (c) 2000, 2002 IBM Corp. 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 implementation Klaus Hartlage - www.eclipseproject.de
 **********************************************************************************************************************************/
package net.sourceforge.phpeclipse.actions;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.MessageFormat;
import java.util.Iterator;

import net.sourceforge.phpeclipse.PHPeclipsePlugin;
import net.sourceforge.phpeclipse.ui.IPreferenceConstants;
import net.sourceforge.phpeclipse.ui.editor.ShowExternalPreviewAction;
import net.sourceforge.phpeclipse.ui.overlaypages.Util;
import net.sourceforge.phpeclipse.webbrowser.IWebBrowser;
import net.sourceforge.phpeclipse.webbrowser.internal.BrowserManager;
import net.sourceforge.phpeclipse.webbrowser.internal.WebBrowserUtil;
import net.sourceforge.phpeclipse.webbrowser.views.BrowserView;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IActionDelegate;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;


public class PHPEclipseShowAction implements IObjectActionDelegate {
  private IWorkbenchPart workbenchPart;

  /**
   * Constructor for Action1.
   */
  public PHPEclipseShowAction() {
    super();
  }

  /**
   * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
   */
  public void setActivePart(IAction action, IWorkbenchPart targetPart) {
    workbenchPart = targetPart;
  }

  public void run(IAction action) {
    ISelectionProvider selectionProvider = null;
    selectionProvider = workbenchPart.getSite().getSelectionProvider();
    StructuredSelection selection = null;
    selection = (StructuredSelection) selectionProvider.getSelection();
    //    PHPConsole console = PHPConsole.getInstance();
    IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
    Shell shell = null;
    Iterator iterator = null;
    iterator = selection.iterator();
    while (iterator.hasNext()) {
      //  obj => selected object in the view
      Object obj = iterator.next();
      // is it a resource
      if (obj instanceof IResource) {
        IResource resource = (IResource) obj;
        // check if it's a file resource
        switch (resource.getType()) {
        case IResource.FILE:
          // single file:
          IFile previewFile = (IFile) resource;
          String extension = previewFile.getFileExtension().toLowerCase();
          boolean bringToTopPreview = Util.getPreviewBooleanValue(previewFile, IPreferenceConstants.PHP_BRING_TO_TOP_PREVIEW_DEFAULT);
          boolean showHTMLFilesLocal = Util.getPreviewBooleanValue(previewFile, IPreferenceConstants.PHP_SHOW_HTML_FILES_LOCAL);
          boolean showXMLFilesLocal = Util.getPreviewBooleanValue(previewFile, IPreferenceConstants.PHP_SHOW_XML_FILES_LOCAL);
          boolean isHTMLFileName = "html".equals(extension) || "htm".equals(extension) || "xhtml".equals(extension);
          boolean isXMLFileName = "xml".equals(extension) || "xsd".equals(extension) || "dtd".equals(extension);

          String localhostURL;
          if (showHTMLFilesLocal && isHTMLFileName) {
            localhostURL = "file://"+previewFile.getLocation().toString();
          } else if (showXMLFilesLocal && isXMLFileName) {
            localhostURL = "file://"+previewFile.getLocation().toString();
          } else if ((localhostURL = ShowExternalPreviewAction.getLocalhostURL(store, previewFile)) == null) {
            MessageDialog.openInformation(shell, "Couldn't create localhost URL",
            "Please configure your localhost and documentRoot");
            return;
          }
        
          try {
//            if (store.getBoolean(PHPeclipsePlugin.USE_EXTERNAL_BROWSER_PREF)) {
//              String[] arguments = { localhostURL };
//              MessageFormat form = new MessageFormat(store.getString(PHPeclipsePlugin.EXTERNAL_BROWSER_PREF));
//              Runtime runtime = Runtime.getRuntime();
//              String command = form.format(arguments);
//              //                console.write("External Browser command: " + command + "\n");
//              runtime.exec(command);
//            } else {
              open(new URL(localhostURL), shell, localhostURL);
//            }
          } catch (MalformedURLException e) {
            MessageDialog.openInformation(shell, "MalformedURLException: ", e.toString());
          }
        }
      }
    }
  }

  /**
   * @see IActionDelegate#selectionChanged(IAction, ISelection)
   */
  public void selectionChanged(IAction action, ISelection selection) {
  }

  public static void open(final URL url, final Shell shell, final String dialogTitle) {
//    if (WebBrowserUtil.canUseInternalWebBrowser()) {
//      IWorkbenchPage page = PHPeclipsePlugin.getActivePage();
//      try {
//        IViewPart part = page.findView(BrowserView.ID_BROWSER);
//        if (part == null) {
//          part = page.showView(BrowserView.ID_BROWSER);
//        } else {
//          page.bringToTop(part);
//        }
//        ((BrowserView) part).setUrl(url.toExternalForm());
//      } catch (Exception e) {
//      }
//    } else {
      BrowserManager manager = BrowserManager.getInstance();
      IWebBrowser browser = manager.getCurrentWebBrowser();
      browser.openURL(url);
//    }
  }
}