Examples of org.eclipse.ui.IWorkbenchPage.openEditor()

org.eclipse.ui.IWorkbenchPage.openEditor()
Opens an editor on the given input.
If this page already has an editor open on the target input that editor is activated; otherwise, a new editor is opened. Two editor inputs, input1 and input2, are considered the same if
```
 input1.equals(input2) == true 
```
.

The editor type is determined by mapping editorId to an editor extension registered with the workbench. An editor id is passed rather than an editor object to prevent the accidental creation of more than one editor for the same input. It also guarantees a consistent lifecycle for editors, regardless of whether they are created by the user or restored from saved data.
@param input the editor input @param editorId the id of the editor extension to use @return an open and active editor, or null if an externaleditor was opened @exception PartInitException if the editor could not be created or initialized

  public void postStartup() {


    try {
      IWorkbenchPage page = PlatformUI.getWorkbench()
          .getActiveWorkbenchWindow().getActivePage();
      page.openEditor(new DummyEditorInput("empty"), WhiteboardEditor.ID,
          false);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

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      }


      // Open an editor on the new file.
      //
      try {
        page.openEditor
          (new FileEditorInput(modelFile),
           workbench.getEditorRegistry().getDefaultEditor(modelFile.getFullPath().toString()).getId());
      }
      catch (PartInitException exception) {
        MessageDialog.openError(workbenchWindow.getShell(), TurtleEditorPlugin.INSTANCE.getString("_UI_OpenEditorError_label"), exception.getMessage());

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        IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
        IFile files[] = root.findFilesForLocation(new Path(fileName));
        if (files.length != 0) {
            IEditorDescriptor desc = PlatformUI.getWorkbench().getEditorRegistry().getDefaultEditor(files[0].getName());
            try {
                return page.openEditor(new FileEditorInput(files[0]), desc.getId());
            } catch (PartInitException pie) {
                logger.logError("Unable to open new editor", pie);
            }
        }

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    public static IEditorPart openFileInEditor(final IFile file) throws PartInitException
    {
        IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
        IEditorDescriptor desc = PlatformUI.getWorkbench().
                getEditorRegistry().getDefaultEditor(file.getName());
        IEditorPart editor = page.openEditor(new FileEditorInput(file), desc.getId());
        return editor;
    }
    
    /**
     * Give this function a folder and it will give you a list

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      IEditorInput input = new ExternalFileEditorInput(file);
      String editorId = getEditorId(fileString);


      try {
        IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
        return page.openEditor(input, editorId, true);
      }
      catch (PartInitException pie) {
        Logger.log(Logger.WARNING_DEBUG, pie.getMessage(), pie);
      }
    }

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        activePage = activeWorkbenchWindow
            .getPages()[0];
      }


      try {
        activePage
            .openEditor(new FileEditorInput(
                takeSnapshot.getFile()),
                "com.onpositive.gae.profiler.editor1");
      } catch (PartInitException e) {
        Activator.getDefault().log(e);

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      IWorkbenchWindow dw = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
      try {
        if (dw != null) {
          IWorkbenchPage page = dw.getActivePage();
          if (page != null) {
            page.openEditor(new FileEditorInput(file), editorId, true);
          }
        }
      }
      catch (PartInitException e) {
        // editor can not open for some reason

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            true, new NullProgressMonitor());
      }
      IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow()
          .getActivePage();
      
      ConsoleEditor openEditor = (ConsoleEditor) activePage.openEditor(new FileEditorInput(file),
              "com.onpositive.google.scrapbook.javaeditor");
    } catch (CoreException e) {
      Activator.getDefault().log(e);
      MessageDialog.openError(Display.getCurrent().getActiveShell(),
          "Error", e.getMessage());

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                    try
                    {
                        IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
                        IWorkbenchPage page = window.getActivePage();
                        IEditorPart editor = page.openEditor( input, editorId );
                        IDocumentProvider documentProvider = ( ( LdifEditor ) editor ).getDocumentProvider();
                        if ( documentProvider != null && input != null )
                        {
                            IDocument document = documentProvider.getDocument( input );
                            if ( document != null )

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                // Let's open the editor
                if ( input != null )
                {
                    try
                    {
                        page.openEditor( input, editorId );
                    }
                    catch ( PartInitException e )
                    {
                        logger.debug( "error when opening the editor" ); //$NON-NLS-1$
                    }

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