/**********************************************************************
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 org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
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.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;

import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.help.IHelp;
//import org.eclipse.jdt.internal.ui.actions.OpenBrowserUtil;
// import org.eclipse.help.ui.browser.LaunchURL;

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 static void open(final URL url, final Shell shell, final String dialogTitle) {
  //    IHelp help= WorkbenchHelp.getHelpSupport();
  //    if (help != null) {
  //      WorkbenchHelp.getHelpSupport().displayHelpResource(url.toExternalForm());
  //    } else {
  //      showMessage(shell, dialogTitle, ActionMessages.getString("OpenBrowserUtil.help_not_available"), false); //$NON-NLS-1$
  //    }
  //  }

  public void run(IAction action) {
    ISelectionProvider selectionProvider = null;
    selectionProvider = workbenchPart.getSite().getSelectionProvider();

    StructuredSelection selection = null;
    selection = (StructuredSelection) selectionProvider.getSelection();

    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 file = (IFile) resource;
            IPath path = file.getFullPath();
            //            if (j2h==null) {
            //              shell = new Shell();
            //              j2h = new Java2HTML(shell); 
            //            }

            String fileName = file.getLocation().toString();
            String lowerCaseFileName = fileName.toLowerCase();
            //       fileName = "http://localhost"+fileName.replaceAll("c:", "");
            String documentRoot = store.getString(PHPeclipsePlugin.DOCUMENTROOT_PREF);
            documentRoot = documentRoot.replace('\\', '/');
            documentRoot = documentRoot.toLowerCase();
            MessageDialog.openInformation(shell, "lowerCaseFileName", "lowerCaseFileName: " + lowerCaseFileName);

            if (lowerCaseFileName.startsWith(documentRoot)) {
              fileName = fileName.substring(documentRoot.length());
            } else {
              MessageDialog.openInformation(shell, "Wrong DocumentRoot", "Adjust DocumentRoot: " + documentRoot);
              return;
            }

            fileName = store.getString(PHPeclipsePlugin.LOCALHOST_PREF) + fileName.replaceAll(documentRoot, "");

            try {
              if (store.getBoolean(PHPeclipsePlugin.USE_EXTERNAL_BROWSER_PREF)) {
                String[] arguments = { fileName };
                MessageFormat form = new MessageFormat(store.getString(PHPeclipsePlugin.EXTERNAL_BROWSER_PREF));

                Runtime runtime = Runtime.getRuntime();
                runtime.exec(form.format(arguments));
                //			runtime.exec(store.getString(PHPeclipsePlugin.EXTERNAL_BROWSER_PREF) + " " + fileName);
                //								runtime.exec("command.com /c start iexplore " + fileName);
              } else {
                open(new URL(fileName), shell, fileName);
              }
            } catch (MalformedURLException e) {
              MessageDialog.openInformation(shell, "MalformedURLException: ", e.toString());
            } catch (IOException e) {
              MessageDialog.openInformation(shell, "IOException", "Cannot show: " + fileName);

            }

            //            MessageDialog.openInformation(shell, "PHPEclipse", "FileName - " + fileName);
            //
            //            Runtime runtime = Runtime.getRuntime();
            //            try {
            //							runtime.exec("command.com /c start iexplore "+fileName);

            //            MessageDialog.openInformation(shell, "J2h Plug-in", "FileName - " + fileName);
            //            j2h.convert( fileName );
        }
      }
    }
  } /**
  						 * @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) {
    IHelp help = WorkbenchHelp.getHelpSupport();
    if (help != null) {
      WorkbenchHelp.getHelpSupport().displayHelpResource(url.toExternalForm());
    } else {
      //   showMessage(shell, dialogTitle, ActionMessages.getString("OpenBrowserUtil.help_not_available"), false); //$NON-NLS-1$
    }
  }
}