Java Code Examples for org.eclipse.swt.widgets.Widget#isDisposed()

The following examples show how to use org.eclipse.swt.widgets.Widget#isDisposed() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GridTableViewer.java    From nebula with Eclipse Public License 2.0 5 votes vote down vote up 
/** {@inheritDoc} */
@Override
protected void doUpdateItem(Widget widget, Object element, boolean fullMap) {
    super.doUpdateItem(widget, element, fullMap);
    updateRowHeader(widget);
    if (autoPreferredHeight && !widget.isDisposed())
        ((GridItem) widget).pack();
}
Example 2
Source File: GridTableViewer.java    From nebula with Eclipse Public License 2.0 5 votes vote down vote up 
/** {@inheritDoc} */
protected void doUpdateItem(Widget widget, Object element, boolean fullMap) {
	super.doUpdateItem(widget, element, fullMap);
	updateRowHeader(widget);
	if (autoPreferredHeight && !widget.isDisposed())
		((GridItem) widget).pack();
}
Example 3
Source File: GridTableViewer.java    From translationstudio8 with GNU General Public License v2.0 5 votes vote down vote up 
/** {@inheritDoc} */
protected void doUpdateItem(Widget widget, Object element, boolean fullMap) {
	super.doUpdateItem(widget, element, fullMap);
	updateRowHeader(widget);
	if (autoPreferredHeight && !widget.isDisposed())
		((GridItem) widget).pack();
}
Example 4
Source File: GridTableViewer.java    From tmxeditor8 with GNU General Public License v2.0 5 votes vote down vote up 
/** {@inheritDoc} */
protected void doUpdateItem(Widget widget, Object element, boolean fullMap) {
	super.doUpdateItem(widget, element, fullMap);
	updateRowHeader(widget);
	if (autoPreferredHeight && !widget.isDisposed())
		((GridItem) widget).pack();
}
Example 5
Source File: ContractInputController.java    From bonita-studio with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public void run() {
    if (viewer != null && viewer.getControl() != null && !viewer.getControl().isDisposed()) {
        viewer.setSelection(new StructuredSelection(input), false);
        final Widget item = viewer.testFindItem(input);
    	if(item != null && !item.isDisposed()){
            viewer.reveal(input);
    		viewer.editElement(input, NAME_COLUMN_INDEX);
    	}
    }
}
Example 6
Source File: JobGraph.java    From pentaho-kettle with Apache License 2.0 5 votes vote down vote up 
private boolean controlDisposed( XulToolbarbutton button ) {
  if ( button.getManagedObject() instanceof Widget ) {
    Widget widget = (Widget) button.getManagedObject();
    return widget.isDisposed();
  }
  return false;
}
Example 7
Source File: TransGraph.java    From pentaho-kettle with Apache License 2.0 5 votes vote down vote up 
private boolean controlDisposed( XulToolbarbutton button ) {
  if ( button.getManagedObject() instanceof Widget ) {
    Widget widget = (Widget) button.getManagedObject();
    return widget.isDisposed();
  }
  return false;
}
Example 8
Source File: Utilities.java    From APICloud-Studio with GNU General Public License v3.0 4 votes vote down vote up 
public static boolean okToUse(Widget widget) {
	return widget != null && !widget.isDisposed();
}
Example 9
Source File: WidgetHelper.java    From swt-bling with MIT License 4 votes vote down vote up 
public static boolean isWidgetSafe(Widget widget) {
  return widget != null && !widget.isDisposed();
}
Example 10
Source File: UIUtils.java    From n4js with Eclipse Public License 1.0 2 votes vote down vote up 
/**
 * Disposes the widget argument. Has no effect if the widget argument is either {@code null} or already
 * {@link Widget#isDisposed() disposed}.
 *
 * @param widget
 *            the widget to dispose. Optional, can be {@code null}.
 */
public static void dispose(final Widget widget) {
	if (null != widget && !widget.isDisposed()) {
		widget.dispose();
	}
}
Example 11
Source File: Helper.java    From APICloud-Studio with GNU General Public License v3.0 2 votes vote down vote up 
/**
 * Returns whether the widget is <code>null</code> or disposed.
 *
 * @param widget the widget to check
 * @return <code>true</code> if the widget is neither <code>null</code> nor disposed
 */
public static boolean okToUse(Widget widget) {
	return (widget != null && !widget.isDisposed());
}