Examples with ITextViewerExtension org.eclipse.jface.text.ITextViewerExtension used on opensource projects

Example 21 with ITextViewerExtension

use of org.eclipse.jface.text.ITextViewerExtension in project eclipse.platform.text by eclipse.

the class LineNumberRulerColumn method layout.

/**
 * Layouts the enclosing viewer to adapt the layout to changes of the
 * size of the individual components.
 *
 * @param redraw <code>true</code> if this column can be redrawn
 */
protected void layout(boolean redraw) {
    if (!redraw) {
        fRelayoutRequired = true;
        return;
    }
    fRelayoutRequired = false;
    if (fCachedTextViewer instanceof ITextViewerExtension) {
        ITextViewerExtension extension = (ITextViewerExtension) fCachedTextViewer;
        Control control = extension.getControl();
        if (control instanceof Composite && !control.isDisposed()) {
            Composite composite = (Composite) control;
            composite.layout(true);
        }
    }
}