Examples of org.eclipse.swt.widgets.Display.asyncExec()

org.eclipse.swt.widgets.Display.asyncExec()
Causes the run() method of the runnable to be invoked by the user-interface thread at the next reasonable opportunity. The caller of this method continues to run in parallel, and is not notified when the runnable has completed. Specifying null as the runnable simply wakes the user-interface thread when run.
Note that at the time the runnable is invoked, widgets that have the receiver as their display may have been disposed. Therefore, it is necessary to check for this case inside the runnable before accessing the widget.
@param runnable code to run on the user-interface thread or null @exception SWTException
- ERROR_DEVICE_DISPOSED - if the receiver has been disposed
@see #syncExec


    final IWorkbenchPage activePage = workbench.getActiveWorkbenchWindow().getActivePage();
    if (activePage != null) {
      final Display display = getShell().getDisplay();
      if (display != null) {
        display.asyncExec(new Runnable() {
          public void run() {
            try {
              IDE.openEditor(activePage, resource, true);
            } catch (PartInitException e) {
              Activator.logException(e);

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    final IWorkbenchPage activePage = workbench.getActiveWorkbenchWindow().getActivePage();
    if (activePage != null) {
      final Display display = getShell().getDisplay();
      if (display != null) {
        display.asyncExec(new Runnable() {
          public void run() {
            try {
              IDE.openEditor(activePage, resource, true);
            } catch (PartInitException e) {
              Activator.logException(e);

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    final IWorkbenchPage activePage = workbench.getActiveWorkbenchWindow().getActivePage();
    if (activePage != null) {
      final Display display = getShell().getDisplay();
      if (display != null) {
        display.asyncExec(new Runnable() {
          public void run() {
            try {
              IDE.openEditor(activePage, resource, true);
            } catch (PartInitException e) {
              Activator.logException(e);

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    final IWorkbenchPage activePage = workbench.getActiveWorkbenchWindow().getActivePage();
    if (activePage != null) {
      final Display display = getShell().getDisplay();
      if (display != null) {
        display.asyncExec(new Runnable() {
          public void run() {
            try {
              IDE.openEditor(activePage, resource, true);
            } catch (PartInitException e) {
              Activator.logException(e);

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    final IWorkbenchPage activePage = workbench.getActiveWorkbenchWindow().getActivePage();
    if (activePage != null) {
      final Display display = getShell().getDisplay();
      if (display != null) {
        display.asyncExec(new Runnable() {
          public void run() {
            try {
              IDE.openEditor(activePage, resource, true);
            } catch (PartInitException e) {
              Activator.logException(e);

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  private void postOnDisplayQue(Runnable runnable) {
    IWorkbench workbench = PlatformUI.getWorkbench();
    IWorkbenchWindow[] windows = workbench.getWorkbenchWindows();
    if (windows != null && windows.length > 0) {
      Display display = windows[0].getShell().getDisplay();
      display.asyncExec(runnable);
    } else {
      runnable.run();
    }
  }

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      shouldClose = true;
    }
    else {
      if (getEditorPart() != null) {
        Display display = getSite().getShell().getDisplay();
        display.asyncExec(new Runnable() {


          public void run() {
            getSite().getPage().closeEditor(getEditorPart(), save);
          }
        });

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      shouldClose = true;
    }
    else {
      if (getEditorPart() != null) {
        Display display = getSite().getShell().getDisplay();
        display.asyncExec(new Runnable() {


          public void run() {
            getSite().getPage().closeEditor(getEditorPart(), save);
          }
        });

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            for (int i = 0; i < structuredDocumentRegions.length; i++) {
              regionCount += structuredDocumentRegions[i].getNumberOfRegions();
            }
            NumberFormat formatter = NumberFormat.getIntegerInstance();
            final String regioncount = "Count: " + formatter.format(structuredDocumentRegions.length) + " document regions containing " + formatter.format(regionCount) + " text regions representing " + formatter.format(length) + " characters";//$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
            display.asyncExec(new Runnable() {
              public void run() {
                if (!counts.isDisposed()) {
                  counts.setText(regioncount);
                  counts.setEnabled(true);
                }

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    // check if 'okToUse'
    if (textWidget != null && !textWidget.isDisposed()) {
      display = textWidget.getDisplay();
      if ((display != null) && (!display.isDisposed())) {
        display.asyncExec(new Runnable() {
          public void run() {
            if (textWidget != null && !textWidget.isDisposed()) {
              fireCaretEvent(new CaretEvent(textWidget, textWidget.getCaretOffset()));
            }
          }

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