basenode.java

来自「Hibernate开发及整合应用大全 蔡雪焘编著 本书用典型的示例剖析Hiber」· Java 代码 · 共 98 行

/*
 * Created on 03-08-2003
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package net.sf.hibernate.console.node;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;

import javax.swing.Icon;
import javax.swing.tree.TreeNode;

/**
 * @author MAX
 *
 * To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
public abstract class BaseNode implements TreeNode {

    
    BaseNode parent;
	NodeFactory factory;
	List children = new ArrayList();
	protected String name = "!";
    Icon icon = NodeFactory.unmappedClassIcon;
    
    abstract protected void checkChildren();
    
    public Icon getIcon() {
        return icon;
    }

    BaseNode(NodeFactory f, BaseNode parent) {
        factory = f;
        this.parent = parent;
    }    
    
    public TreeNode getChildAt(int childIndex) {
    	checkChildren();
        return (TreeNode) children.get(childIndex);
    }

    public int getChildCount() {
    	checkChildren();
        return children.size();
    }

    public TreeNode getParent() {    	
       return parent;
    }

    public int getIndex(TreeNode node) {
    	checkChildren();
        return children.indexOf(node);
    }

    public boolean getAllowsChildren() {
        return true;
    }

    public boolean isLeaf() {
    	checkChildren();
    	return getChildCount()==0;
    }

    public Enumeration children() {
    	checkChildren();
        return Collections.enumeration(children);
    }

	public abstract String getHQL();

	public String getName() {
        return name;
	}
    
    final public String toString() {
        return renderLabel(true);
    }
    
    static String getLabel(String name, boolean fullyQualifiedName) {
    	if(!fullyQualifiedName && name!=null && name.length()>1 && name.indexOf('.')>=0) {
    		return name.substring(name.lastIndexOf('.')+1);
    	} else {
    		return name;
    	}
    }
    
    public String renderLabel(boolean fullyQualifiedNames) {
    	return getLabel(getName(), fullyQualifiedNames);
    }
}