net.sourceforge.phpeclipse.webbrowser/src/net/sourceforge/phpeclipse/webbrowser/views/BrowserView.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpeclipse.webbrowser.views;
  12
  13 import java.io.UnsupportedEncodingException;
  14 import java.net.URLDecoder;
  15 import java.nio.charset.Charset;
  16
  17 import net.sourceforge.phpeclipse.webbrowser.internal.WebBrowser;
  18 import net.sourceforge.phpeclipse.webbrowser.internal.WebBrowserUtil;
  19
  20 import org.eclipse.core.resources.IFile;
  21 import org.eclipse.swt.browser.Browser;
  22 import org.eclipse.swt.browser.CloseWindowListener;
  23 import org.eclipse.swt.browser.ProgressListener;
  24 import org.eclipse.swt.browser.StatusTextListener;
  25 import org.eclipse.swt.browser.TitleListener;
  26 import org.eclipse.swt.browser.WindowEvent;
  27 import org.eclipse.swt.widgets.Composite;
  28 import org.eclipse.ui.part.IShowInTarget;
  29 import org.eclipse.ui.part.ShowInContext;
  30 import org.eclipse.ui.part.ViewPart;
  31
  32 /**
  33  * <code>BrowserView</code> is a simple demonstration of the SWT Browser
  34  * widget. It consists of a workbench view and tab folder where each tab in the
  35  * folder allows the user to interact with a control.
  36  *
  37  * @see ViewPart
  38  */
  39 public class BrowserView extends ViewPart implements IShowInTarget {
  40         public final static String ID_BROWSER = "net.sourceforge.phpeclipse.webbrowser.views";
  41
  42         WebBrowser fInstance = null;
  43
  44         String fUrl = null;
  45
  46         /**
  47          * Create the example
  48          *
  49          * @see ViewPart#createPartControl
  50          */
  51         public void createPartControl(Composite frame) {
  52                 try {
  53                         if (WebBrowserUtil.isInternalBrowserOperational()) {
  54                                 fInstance = new WebBrowser(frame, true, true);
  55                                 // #1365431 (toshihiro) start
  56                                 fInstance.getBrowser().addCloseWindowListener(
  57                                                 new CloseWindowListener() {
  58                                                         public void close(WindowEvent event) {
  59                                                                 getViewSite().getPage().hideView(
  60                                                                                 BrowserView.this);
  61                                                         }
  62                                                 });
  63                                 // #1365431 (toshihiro) end
  64                         }
  65                 } catch (Exception e) {
  66                         fInstance = null;
  67                 }
  68         }
  69
  70         /**
  71          * Called when we must grab focus.
  72          *
  73          * @see org.eclipse.ui.part.ViewPart#setFocus
  74          */
  75         public void setFocus() {
  76                 if (fInstance != null) {
  77                         fInstance.setFocus();
  78                 }
  79         }
  80
  81         /**
  82          * Called when the View is to be disposed
  83          */
  84         public void dispose() {
  85                 if (fInstance != null) {
  86                         fInstance.dispose();
  87                         fInstance = null;
  88                 }
  89                 super.dispose();
  90         }
  91
  92         public void setUrl(final String url) {
  93                 if (fInstance != null) {
  94                         fUrl = url;
  95                         fInstance.setURL(url);
  96                         // try {
  97                         // ResourcesPlugin.getWorkspace().run(new IWorkspaceRunnable() {
  98                         // public void run(IProgressMonitor monitor) throws CoreException {
  99                         // instance.setURL(url);
 100                         // }
 101                         // }, null);
 102                         // } catch (CoreException e) {
 103                         // // TO DO Auto-generated catch block
 104                         // e.printStackTrace();
 105                         // }
 106                 }
 107         }
 108
 109         public void refresh() {
 110                 if (fInstance != null) {
 111                         fInstance.refresh();
 112                         // try {
 113                         // ResourcesPlugin.getWorkspace().run(new IWorkspaceRunnable() {
 114                         // public void run(IProgressMonitor monitor) throws CoreException {
 115                         // instance.refresh();
 116                         // }
 117                         // }, null);
 118                         // } catch (CoreException e) {
 119                         // // TO DO Auto-generated catch block
 120                         // e.printStackTrace();
 121                         // }
 122                 }
 123         }
 124
 125         public void refresh(String url) {
 126                 if (fInstance != null && url != null) {
 127                         if (fUrl == null) {
 128                                 setUrl(url);
 129                         } else {
 130                                 Browser browser = fInstance.getBrowser();
 131                                 if (browser != null) {
 132                                         String browserUrl = browser.getUrl();
 133                                         try {
 134                                                 browserUrl = URLDecoder.decode(browserUrl, Charset.defaultCharset().name());
 135                                         } catch (UnsupportedEncodingException e) {
 136                                                 // e.printStackTrace();
 137                                         }
 138                                         if (!url.equals(browserUrl)) {
 139                                                 setUrl(url);
 140                                         }
 141                                 }
 142                         }
 143                 }
 144         }
 145
 146         public void addProgressListener(ProgressListener listener) {
 147                 if (fInstance != null) {
 148                         fInstance.addProgressListener(listener);
 149                 }
 150         }
 151
 152         public void addStatusTextListener(StatusTextListener listener) {
 153                 if (fInstance != null) {
 154                         fInstance.addStatusTextListener(listener);
 155                 }
 156         }
 157
 158         public void addTitleListener(TitleListener listener) {
 159                 if (fInstance != null) {
 160                         fInstance.addTitleListener(listener);
 161                 }
 162         }
 163
 164         public boolean show(ShowInContext context) {
 165                 if (context instanceof ShowInContextBrowser) {
 166                         ShowInContextBrowser contextBrowser = (ShowInContextBrowser) context;
 167                         String localhostURL = contextBrowser.getLocalhostUrl();
 168                         if (localhostURL != null) {
 169                                 setUrl(localhostURL);
 170                                 return true;
 171                         }
 172                 }
 173                 if (context.getInput() instanceof IFile) {
 174                         IFile file = (IFile) context.getInput();
 175                         String localhostURL;
 176                         localhostURL = "file:///" + file.getLocation().toString();
 177                         setUrl(localhostURL);
 178                         return true;
 179                 }
 180                 return false;
 181         }
 182 }