Example usage for org.eclipse.jface.viewers AbstractTreeViewer getExpandedElements

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers AbstractTreeViewer getExpandedElements.

Prototype

public Object[] getExpandedElements() 

Source Link

Document

Returns a list of elements corresponding to expanded nodes in this viewer's tree, including currently hidden ones that are marked as expanded but are under a collapsed ancestor.

Usage

From source file:org.fusesource.ide.foundation.ui.util.Viewers.java

License:Open Source License

public static void addExpanded(Viewer viewer, final Object... expanded) {
    if (viewer instanceof AbstractTreeViewer) {
        final AbstractTreeViewer cv = (AbstractTreeViewer) viewer;
        Object[] expandedElements = cv.getExpandedElements();
        List<Object> list = new ArrayList<>();
        if (expandedElements != null) {
            list.addAll(Arrays.asList(expandedElements));
        }/*w w  w .  j a  v a  2 s  .  co m*/
        list.addAll(Arrays.asList(expanded));
        cv.setExpandedElements(expanded);
    }
}

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