treeviewersamplecontentprovider.java

Eclipse RCP应用系统开发方法与实战源代码

package rcpbook.swtjface.sample;

import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;

public class TreeViewerSampleContentProvider implements ITreeContentProvider {

	public Object[] getChildren(Object parentElement) {
		return ((Student) parentElement).children;
	}

	public Object getParent(Object element) {
		return ((Student) element).parent;
	}

	public boolean hasChildren(Object element) {
		return ((Student) element).children.length > 0;
	}

	public Object[] getElements(Object inputElement) {
		return (Object[]) inputElement;
	}

	public void dispose() {
	}

	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	}
}