package ff;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JSplitPane;

import javax.swing.JTree;

import javax.swing.UIManager;

import javax.swing.event.TreeSelectionEvent;

import javax.swing.event.TreeSelectionListener;

import javax.swing.tree.DefaultMutableTreeNode;

import javax.swing.tree.TreePath;

@SuppressWarnings("serial")

public class TextFrame extends JFrame{

private JSplitPane jSplitPane=new JSplitPane();//窗體分割線

private JScrollPane jRightScrollPane=new JScrollPane();//右邊切換panel

private JScrollPane jLeftScrollPane=new JScrollPane();//左邊放主Tree

private JLabel jlRightDef= new JLabel();//右邊預設介面

public TextFrame()

{

jSplitPane.setOrientation(JSplitPane.HORIZONTAL_SPLIT);

jSplitPane.setDividerLocation(170);//左邊大小

jSplitPane.setLeftComponent(jLeftScrollPane);

jSplitPane.setRightComponent(jRightScrollPane);

initMainJTree();

this.add(jSplitPane);

this.setSize(400,500);

this.setLocation(200,100);

this.setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

this.setVisible(true);

}

//初始化功能樹

private void initMainJTree()

{

JTree jTree=new JTree();

jLeftScrollPane.setViewportView(new JPanel().add(jTree));

jTree.setEditable(false);

jTree.addTreeSelectionListener(new TreeSelectionListener() {

@Override

public void valueChanged(TreeSelectionEvent e) {

TreePath treePath=e.getNewLeadSelectionPath();//獲得根節點到選著節點的路徑

DefaultMutableTreeNode node = (DefaultMutableTreeNode) treePath.getLastPathComponent();

jlRightDef.setText(node.toString());

jRightScrollPane.setViewportView(jlRightDef);

}

});

}

public static void main(String[]args)

{

try {//windows風格

UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

} catch (Exception e) {

e.printStackTrace();

}

new TextFrame();

}

}