bundles/org.simantics.document.ui/src/org/simantics/document/ui/graphfile/UrlEditorAdapter.java

   1 package org.simantics.document.ui.graphfile;
   2
   3 import java.net.MalformedURLException;
   4 import java.net.URL;
   5
   6 import org.eclipse.swt.widgets.Display;
   7 import org.eclipse.ui.PartInitException;
   8 import org.eclipse.ui.PlatformUI;
   9 import org.eclipse.ui.browser.IWebBrowser;
  10 import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
  11 import org.simantics.Simantics;
  12 import org.simantics.db.ReadGraph;
  13 import org.simantics.db.Resource;
  14 import org.simantics.db.common.request.ReadRequest;
  15 import org.simantics.db.exception.DatabaseException;
  16 import org.simantics.document.DocumentResource;
  17 import org.simantics.document.ui.Activator;
  18 import org.simantics.ui.workbench.editor.AbstractResourceEditorAdapter;
  19 import org.simantics.ui.workbench.editor.EditorAdapter;
  20 import org.simantics.utils.ui.ExceptionUtils;
  21
  22 public class UrlEditorAdapter extends AbstractResourceEditorAdapter implements EditorAdapter {
  23
  24         public UrlEditorAdapter() {
  25                 super(Messages.UrlEditorAdapter_Browser,Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/world.png")); //$NON-NLS-2$ //$NON-NLS-3$
  26         }
  27
  28
  29         @Override
  30         public boolean canHandle(ReadGraph g, Resource r) throws DatabaseException {
  31                 DocumentResource doc = DocumentResource.getInstance(g);
  32                 if (!g.isInstanceOf(r, doc.UrlDocument))
  33                         return false;
  34                 String url = g.getPossibleRelatedValue(r, doc.HasUrl);
  35                 return url != null;
  36         }
  37
  38         @Override
  39         protected void openEditor(final Resource input) throws Exception {
  40                 Simantics.getSession().asyncRequest(new ReadRequest() {
  41
  42                         @Override
  43                         public void run(ReadGraph graph) throws DatabaseException {
  44                                 DocumentResource doc = DocumentResource.getInstance(graph);
  45                                 final String urlString = graph.getPossibleRelatedValue(input, doc.HasUrl);
  46                                 if (urlString == null)
  47                                         return;
  48
  49                                 Display.getDefault().asyncExec(new Runnable() {
  50
  51                                         @Override
  52                                         public void run() {
  53                                                 IWorkbenchBrowserSupport browserSupport = PlatformUI.getWorkbench().getBrowserSupport();
  54                                                 IWebBrowser browser;
  55                                                 try {
  56                                                         browser = browserSupport.createBrowser(null);
  57                                                         URL url = new URL(urlString);
  58                                                         browser.openURL(url);
  59
  60                                                 } catch (PartInitException e1) {
  61                                                         ExceptionUtils.logAndShowError(e1);
  62                                                 } catch (MalformedURLException e2) {
  63                                                         ExceptionUtils.logAndShowError(e2);
  64                                                 }
  65
  66                                         }
  67                                 });
  68                         }
  69                 });
  70
  71
  72         }
  73
  74
  75 }