Java 类org.eclipse.ui.forms.widgets.SharedScrolledComposite 实例源码

/**
 * Creates a scrolled composite 
 * 
 * @param parent the parent to add to
 * @param columns the number of columns for the composite
 * @param hspan the horizontal span to take up in the parent
 * @param marginwidth the width of the margins
 * @param marginheight the height of the margins
 * @return a new scrolled composite
 */
public static SharedScrolledComposite createScrolledComposite(Composite parent, int columns, int hspan, int marginwidth, int marginheight) {
    SharedScrolledComposite comp = new SharedScrolledComposite(parent, SWT.V_SCROLL | SWT.H_SCROLL) {};
    GridLayout layout = new GridLayout(columns, false);
    layout.marginHeight = marginheight;
    layout.marginWidth = marginwidth;
    comp.setLayout(layout);
    GridData gd = new GridData(GridData.FILL_BOTH);
    gd.horizontalSpan = hspan;
    comp.setLayoutData(gd);
    comp.setExpandHorizontal(true);
    comp.setExpandVertical(true);
    return comp;
}

@Override
protected void internalRefresh(Widget widget, Object element,
        boolean doStruct, boolean updateLabels) {
    super.internalRefresh(widget, element, doStruct, updateLabels);
    IEditorPart current = EditorPartUtils.getCurrent(getSite());
    if(current != null) {
        Object adapter = current.getAdapter(SharedScrolledComposite.class);
        if(adapter instanceof SharedScrolledComposite) {
            SharedScrolledComposite composite = (SharedScrolledComposite) adapter;
            boolean flushCache = true;
            composite.reflow(flushCache);
        }
    }
}