Java by API/javax.swing.tree/DefaultTreeCellRenderer

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DefaultTreeCellRenderer: getBackgroundSelectionColor()

   <source lang="java">

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTree; import javax.swing.tree.DefaultTreeCellRenderer; public class MainClass { 

 public static void main(String args[]) {
   JFrame frame = new JFrame("Changed Renderer");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JTree tree = new JTree();
   DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();
   renderer.setFont(new Font("Dialog", Font.BOLD | Font.ITALIC, 32));
   int rowHeight = tree.getRowHeight();
   if (rowHeight <= 0) {
     tree.setRowHeight(rowHeight - 1);
   }
   Color backgroundSelection = renderer.getBackgroundSelectionColor();
   renderer.setBackgroundSelectionColor(Color.blue);
   renderer.setBackgroundNonSelectionColor(backgroundSelection);
   // Swap text colors
   Color textSelection = renderer.getTextSelectionColor();
   renderer.setTextSelectionColor(Color.green);
   renderer.setTextNonSelectionColor(textSelection);
   JScrollPane scrollPane = new JScrollPane(tree);
   frame.add(scrollPane, BorderLayout.CENTER);
   frame.setSize(300, 150);
   frame.setVisible(true);
 }

} 

      </source>



DefaultTreeCellRenderer: getTextSelectionColor()

   <source lang="java">

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTree; import javax.swing.tree.DefaultTreeCellRenderer; public class MainClass { 

 public static void main(String args[]) {
   JFrame frame = new JFrame("Changed Renderer");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JTree tree = new JTree();
   DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();
   renderer.setFont(new Font("Dialog", Font.BOLD | Font.ITALIC, 32));
   int rowHeight = tree.getRowHeight();
   if (rowHeight <= 0) {
     tree.setRowHeight(rowHeight - 1);
   }
   Color backgroundSelection = renderer.getBackgroundSelectionColor();
   renderer.setBackgroundSelectionColor(Color.blue);
   renderer.setBackgroundNonSelectionColor(backgroundSelection);
   // Swap text colors
   Color textSelection = renderer.getTextSelectionColor();
   renderer.setTextSelectionColor(Color.green);
   renderer.setTextNonSelectionColor(textSelection);
   JScrollPane scrollPane = new JScrollPane(tree);
   frame.add(scrollPane, BorderLayout.CENTER);
   frame.setSize(300, 150);
   frame.setVisible(true);
 }

} 

      </source>



DefaultTreeCellRenderer: setBackgroundNonSelectionColor(Color newColor)

   <source lang="java">

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTree; import javax.swing.tree.DefaultTreeCellRenderer; public class MainClass { 

 public static void main(String args[]) {
   JFrame frame = new JFrame("Changed Renderer");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JTree tree = new JTree();
   DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();
   renderer.setFont(new Font("Dialog", Font.BOLD | Font.ITALIC, 32));
   int rowHeight = tree.getRowHeight();
   if (rowHeight <= 0) {
     tree.setRowHeight(rowHeight - 1);
   }
   Color backgroundSelection = renderer.getBackgroundSelectionColor();
   renderer.setBackgroundSelectionColor(Color.blue);
   renderer.setBackgroundNonSelectionColor(backgroundSelection);
   // Swap text colors
   Color textSelection = renderer.getTextSelectionColor();
   renderer.setTextSelectionColor(Color.green);
   renderer.setTextNonSelectionColor(textSelection);
   JScrollPane scrollPane = new JScrollPane(tree);
   frame.add(scrollPane, BorderLayout.CENTER);
   frame.setSize(300, 150);
   frame.setVisible(true);
 }

} 

      </source>



DefaultTreeCellRenderer: setBackgroundSelectionColor(Color newColor)

   <source lang="java">

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTree; import javax.swing.tree.DefaultTreeCellRenderer; public class MainClass { 

 public static void main(String args[]) {
   JFrame frame = new JFrame("Changed Renderer");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JTree tree = new JTree();
   DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();
   renderer.setFont(new Font("Dialog", Font.BOLD | Font.ITALIC, 32));
   int rowHeight = tree.getRowHeight();
   if (rowHeight <= 0) {
     tree.setRowHeight(rowHeight - 1);
   }
   Color backgroundSelection = renderer.getBackgroundSelectionColor();
   renderer.setBackgroundSelectionColor(Color.blue);
   renderer.setBackgroundNonSelectionColor(backgroundSelection);
   // Swap text colors
   Color textSelection = renderer.getTextSelectionColor();
   renderer.setTextSelectionColor(Color.green);
   renderer.setTextNonSelectionColor(textSelection);
   JScrollPane scrollPane = new JScrollPane(tree);
   frame.add(scrollPane, BorderLayout.CENTER);
   frame.setSize(300, 150);
   frame.setVisible(true);
 }

} 

      </source>



DefaultTreeCellRenderer: setClosedIcon(Icon newIcon)

   <source lang="java">

import java.awt.BorderLayout; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JTree; import javax.swing.tree.DefaultMutableTreeNode; import javax.swing.tree.DefaultTreeCellRenderer; import javax.swing.tree.DefaultTreeModel; public class MainClass extends JFrame { 

 JTree tree;
 DefaultTreeModel treeModel;
 public MainClass() {
   super("Tree Test Example");
   setSize(200, 150);
   setDefaultCloseOperation(EXIT_ON_CLOSE);
 }
 public void init() {
   DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");
   DefaultMutableTreeNode subroot = new DefaultMutableTreeNode("SubRoot");
   DefaultMutableTreeNode leaf1 = new DefaultMutableTreeNode("Leaf 1");
   DefaultMutableTreeNode leaf2 = new DefaultMutableTreeNode("Leaf 2");
   treeModel = new DefaultTreeModel(root);
   tree = new JTree(treeModel);
   treeModel.insertNodeInto(subroot, root, 0);
   subroot.add(leaf1);
   root.add(leaf2);
   tree.putClientProperty("JTree.lineStyle", "Angled");
   getContentPane().add(tree, BorderLayout.CENTER);
   DefaultTreeCellRenderer renderer = 
     (DefaultTreeCellRenderer)tree.getCellRenderer();
   renderer.setClosedIcon(new ImageIcon("door.closed.gif"));
   renderer.setOpenIcon(new ImageIcon("door.open.gif"));
   renderer.setLeafIcon(new ImageIcon("world.gif"));
 
 }
 public static void main(String args[]) {
   MainClass tt = new MainClass();
   tt.init();
   tt.setVisible(true);
 }

} 

      </source>



DefaultTreeCellRenderer: setLeafIcon(Icon newIcon)

   <source lang="java">

import java.awt.BorderLayout; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JTree; import javax.swing.tree.DefaultMutableTreeNode; import javax.swing.tree.DefaultTreeCellRenderer; import javax.swing.tree.DefaultTreeModel; public class MainClass extends JFrame { 

 JTree tree;
 DefaultTreeModel treeModel;
 public MainClass() {
   super("Tree Test Example");
   setSize(200, 150);
   setDefaultCloseOperation(EXIT_ON_CLOSE);
 }
 public void init() {
   DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");
   DefaultMutableTreeNode subroot = new DefaultMutableTreeNode("SubRoot");
   DefaultMutableTreeNode leaf1 = new DefaultMutableTreeNode("Leaf 1");
   DefaultMutableTreeNode leaf2 = new DefaultMutableTreeNode("Leaf 2");
   treeModel = new DefaultTreeModel(root);
   tree = new JTree(treeModel);
   treeModel.insertNodeInto(subroot, root, 0);
   subroot.add(leaf1);
   root.add(leaf2);
   tree.putClientProperty("JTree.lineStyle", "Angled");
   getContentPane().add(tree, BorderLayout.CENTER);
   DefaultTreeCellRenderer renderer = 
     (DefaultTreeCellRenderer)tree.getCellRenderer();
   renderer.setClosedIcon(new ImageIcon("door.closed.gif"));
   renderer.setOpenIcon(new ImageIcon("door.open.gif"));
   renderer.setLeafIcon(new ImageIcon("world.gif"));
 
 }
 public static void main(String args[]) {
   MainClass tt = new MainClass();
   tt.init();
   tt.setVisible(true);
 }

} 

      </source>



DefaultTreeCellRenderer: setOpenIcon(Icon newIcon)

   <source lang="java">

import java.awt.BorderLayout; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JTree; import javax.swing.tree.DefaultMutableTreeNode; import javax.swing.tree.DefaultTreeCellRenderer; import javax.swing.tree.DefaultTreeModel; public class MainClass extends JFrame { 

 JTree tree;
 DefaultTreeModel treeModel;
 public MainClass() {
   super("Tree Test Example");
   setSize(200, 150);
   setDefaultCloseOperation(EXIT_ON_CLOSE);
 }
 public void init() {
   DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");
   DefaultMutableTreeNode subroot = new DefaultMutableTreeNode("SubRoot");
   DefaultMutableTreeNode leaf1 = new DefaultMutableTreeNode("Leaf 1");
   DefaultMutableTreeNode leaf2 = new DefaultMutableTreeNode("Leaf 2");
   treeModel = new DefaultTreeModel(root);
   tree = new JTree(treeModel);
   treeModel.insertNodeInto(subroot, root, 0);
   subroot.add(leaf1);
   root.add(leaf2);
   tree.putClientProperty("JTree.lineStyle", "Angled");
   getContentPane().add(tree, BorderLayout.CENTER);
   DefaultTreeCellRenderer renderer = 
     (DefaultTreeCellRenderer)tree.getCellRenderer();
   renderer.setClosedIcon(new ImageIcon("door.closed.gif"));
   renderer.setOpenIcon(new ImageIcon("door.open.gif"));
   renderer.setLeafIcon(new ImageIcon("world.gif"));
 
 }
 public static void main(String args[]) {
   MainClass tt = new MainClass();
   tt.init();
   tt.setVisible(true);
 }

} 

      </source>



DefaultTreeCellRenderer: setTextNonSelectionColor(Color newColor)

   <source lang="java">

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTree; import javax.swing.tree.DefaultTreeCellRenderer; public class MainClass { 

 public static void main(String args[]) {
   JFrame frame = new JFrame("Changed Renderer");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JTree tree = new JTree();
   DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();
   renderer.setFont(new Font("Dialog", Font.BOLD | Font.ITALIC, 32));
   int rowHeight = tree.getRowHeight();
   if (rowHeight <= 0) {
     tree.setRowHeight(rowHeight - 1);
   }
   Color backgroundSelection = renderer.getBackgroundSelectionColor();
   renderer.setBackgroundSelectionColor(Color.blue);
   renderer.setBackgroundNonSelectionColor(backgroundSelection);
   // Swap text colors
   Color textSelection = renderer.getTextSelectionColor();
   renderer.setTextSelectionColor(Color.green);
   renderer.setTextNonSelectionColor(textSelection);
   JScrollPane scrollPane = new JScrollPane(tree);
   frame.add(scrollPane, BorderLayout.CENTER);
   frame.setSize(300, 150);
   frame.setVisible(true);
 }

} 

      </source>



DefaultTreeCellRenderer: setTextSelectionColor(Color newColor)

   <source lang="java">

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTree; import javax.swing.tree.DefaultTreeCellRenderer; public class MainClass { 

 public static void main(String args[]) {
   JFrame frame = new JFrame("Changed Renderer");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JTree tree = new JTree();
   DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();
   renderer.setFont(new Font("Dialog", Font.BOLD | Font.ITALIC, 32));
   int rowHeight = tree.getRowHeight();
   if (rowHeight <= 0) {
     tree.setRowHeight(rowHeight - 1);
   }
   Color backgroundSelection = renderer.getBackgroundSelectionColor();
   renderer.setBackgroundSelectionColor(Color.blue);
   renderer.setBackgroundNonSelectionColor(backgroundSelection);
   // Swap text colors
   Color textSelection = renderer.getTextSelectionColor();
   renderer.setTextSelectionColor(Color.green);
   renderer.setTextNonSelectionColor(textSelection);
   JScrollPane scrollPane = new JScrollPane(tree);
   frame.add(scrollPane, BorderLayout.CENTER);
   frame.setSize(300, 150);
   frame.setVisible(true);
 }

} 

      </source>
Источник — «http://jexp.ru/index.php?title=Java_by_API/javax.swing.tree/DefaultTreeCellRenderer&oldid=2400»