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Java by API/javax.swing.tree/TreeSelectionModel - История изменений
2026-04-24T21:06:35Z
История изменений этой страницы в вики
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http://www.jexp.ru/index.php?title=Java_by_API/javax.swing.tree/TreeSelectionModel&diff=2395&oldid=prev
в 17:43, 31 мая 2010
2010-05-31T17:43:48Z
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<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 17:43, 31 мая 2010</td>
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http://www.jexp.ru/index.php?title=Java_by_API/javax.swing.tree/TreeSelectionModel&diff=2396&oldid=prev
Admin: 1 версия
2010-05-31T14:44:43Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== TreeSelectionModel: addTreeSelectionListener(TreeSelectionListener x) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import java.awt.BorderLayout;<br />
import javax.swing.JFrame;<br />
import javax.swing.JTree;<br />
import javax.swing.event.TreeSelectionEvent;<br />
import javax.swing.event.TreeSelectionListener;<br />
import javax.swing.tree.DefaultMutableTreeNode;<br />
import javax.swing.tree.DefaultTreeModel;<br />
import javax.swing.tree.TreeModel;<br />
import javax.swing.tree.TreeSelectionModel;<br />
public class Main extends JFrame {<br />
public Main() {<br />
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
DefaultMutableTreeNode root = new DefaultMutableTreeNode("abcde");<br />
DefaultMutableTreeNode node = new DefaultMutableTreeNode("1");<br />
node.add(new DefaultMutableTreeNode("12345"));<br />
node.add(new DefaultMutableTreeNode("testing"));<br />
root.add(node);<br />
root.add(new DefaultMutableTreeNode("1234567890"));<br />
TreeModel tm = new DefaultTreeModel(root);<br />
JTree tree = new JTree(tm);<br />
tree.getSelectionModel().addTreeSelectionListener(new Selector());<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);<br />
getContentPane().add(tree, BorderLayout.CENTER);<br />
pack();<br />
setVisible(true);<br />
}<br />
private class Selector implements TreeSelectionListener {<br />
public void valueChanged(TreeSelectionEvent event) {<br />
Object obj = event.getNewLeadSelectionPath().getLastPathComponent();<br />
System.out.println("" + obj.toString().length());<br />
}<br />
}<br />
public static void main(String[] args) {<br />
Main m = new Main();<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== TreeSelectionModel.CONTIGUOUS_TREE_SELECTION ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import javax.swing.JFrame;<br />
import javax.swing.JScrollPane;<br />
import javax.swing.JTree;<br />
import javax.swing.tree.TreeSelectionModel;<br />
public class Main {<br />
public static void main(String[] argv) {<br />
JTree tree = new JTree();<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.CONTIGUOUS_TREE_SELECTION);<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);<br />
JFrame frame = new JFrame();<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
frame.add(new JScrollPane(tree));<br />
frame.setSize(380, 320);<br />
frame.setLocationRelativeTo(null);<br />
frame.setVisible(true);<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import javax.swing.JFrame;<br />
import javax.swing.JScrollPane;<br />
import javax.swing.JTree;<br />
import javax.swing.tree.TreeSelectionModel;<br />
public class Main {<br />
public static void main(String[] argv) {<br />
JTree tree = new JTree();<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.CONTIGUOUS_TREE_SELECTION);<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);<br />
JFrame frame = new JFrame();<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
frame.add(new JScrollPane(tree));<br />
frame.setSize(380, 320);<br />
frame.setLocationRelativeTo(null);<br />
frame.setVisible(true);<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== TreeSelectionModel: setSelectionMode(int mode) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import java.awt.BorderLayout;<br />
import javax.swing.JFrame;<br />
import javax.swing.JTree;<br />
import javax.swing.event.TreeSelectionEvent;<br />
import javax.swing.event.TreeSelectionListener;<br />
import javax.swing.tree.DefaultMutableTreeNode;<br />
import javax.swing.tree.DefaultTreeModel;<br />
import javax.swing.tree.TreeModel;<br />
import javax.swing.tree.TreeSelectionModel;<br />
public class Main extends JFrame {<br />
public Main() {<br />
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
DefaultMutableTreeNode root = new DefaultMutableTreeNode("abcde");<br />
DefaultMutableTreeNode node = new DefaultMutableTreeNode("1");<br />
node.add(new DefaultMutableTreeNode("12345"));<br />
node.add(new DefaultMutableTreeNode("testing"));<br />
root.add(node);<br />
root.add(new DefaultMutableTreeNode("1234567890"));<br />
TreeModel tm = new DefaultTreeModel(root);<br />
JTree tree = new JTree(tm);<br />
tree.getSelectionModel().addTreeSelectionListener(new Selector());<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);<br />
getContentPane().add(tree, BorderLayout.CENTER);<br />
pack();<br />
setVisible(true);<br />
}<br />
private class Selector implements TreeSelectionListener {<br />
public void valueChanged(TreeSelectionEvent event) {<br />
Object obj = event.getNewLeadSelectionPath().getLastPathComponent();<br />
System.out.println("" + obj.toString().length());<br />
}<br />
}<br />
public static void main(String[] args) {<br />
Main m = new Main();<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== TreeSelectionModel.SINGLE_TREE_SELECTION ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import javax.swing.JFrame;<br />
import javax.swing.JScrollPane;<br />
import javax.swing.JTree;<br />
import javax.swing.tree.TreeSelectionModel;<br />
public class Main {<br />
public static void main(String[] argv) {<br />
JTree tree = new JTree();<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.CONTIGUOUS_TREE_SELECTION);<br />
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);<br />
JFrame frame = new JFrame();<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
frame.add(new JScrollPane(tree));<br />
frame.setSize(380, 320);<br />
frame.setLocationRelativeTo(null);<br />
frame.setVisible(true);<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --></div>
Admin