threeitemfilter.java

来自「用java 实现的IE browser适合于学者」· Java 代码 · 共 18 行

package com.hnjchina.example.treeviewer.ui;


import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import com.hnjchina.example.treeviewer.MovingBox;

public class ThreeItemFilter extends ViewerFilter {

	/*
	 * @see ViewerFilter#select(Viewer, Object, Object)
	 */
	public boolean select(Viewer viewer, Object parentElement, Object element) {
		return parentElement instanceof MovingBox && ((MovingBox)parentElement).size() >= 3;
	}

}