bundles/winterwell.markdown/src/winterwell/markdown/commands/OpenGfmView.java

   1 package winterwell.markdown.commands;
   2
   3 import org.eclipse.core.commands.AbstractHandler;
   4 import org.eclipse.core.commands.ExecutionEvent;
   5 import org.eclipse.core.commands.ExecutionException;
   6 import org.eclipse.jface.dialogs.MessageDialog;
   7 import org.eclipse.swt.widgets.Display;
   8 import org.eclipse.ui.IViewPart;
   9 import org.eclipse.ui.IWorkbenchPage;
  10 import org.eclipse.ui.PartInitException;
  11 import org.eclipse.ui.PlatformUI;
  12
  13 import winterwell.markdown.LogUtil;
  14
  15 public class OpenGfmView extends AbstractHandler {
  16
  17         @Override
  18         public Object execute(final ExecutionEvent event) throws ExecutionException {
  19                 try {
  20                 IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  21                 String gfmViewId = "code.satyagraha.gfm.viewer.views.GfmView";
  22                 IViewPart gfmView = activePage.showView(gfmViewId);
  23                 activePage.activate(gfmView);
  24                 } catch (PartInitException e) {
  25                         showError(e);
  26             } catch (Exception e) {
  27                 showError(e);
  28             }
  29                 return null;
  30         }
  31
  32         private void showError(Exception e) {
  33                 String title = "Exception while opening GitHub Flavored Markdown View";
  34                 String message = title+" (code.satyagraha.gfm.viewer.views.GfmView)"
  35                                 +"\nCheck Error Log View and continue at https://github.com/winterstein/Eclipse-Markdown-Editor-Plugin/issues/42"
  36                                 +"\n\nYou can also right-click file in Project Explorer"
  37                                 +"\n and select \"Show in GFM view\".";
  38                 LogUtil.error(message, e);
  39                 MessageDialog.openError(Display.getDefault().getActiveShell(), title , message);
  40         }
  41 }