Tree Changed Renderer : Tree Renderer Editor « Swing JFC « Java

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Java » Swing JFC » Tree Renderer Editor   Tree Changed Renderer    /* Definitive Guide to Swing for Java 2, Second Edition By John Zukowski      ISBN: 1-893115-78-X Publisher: APress */ 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 TreeChangedRenderer {   public static void main(String args[]) {     JFrame frame = new JFrame("Changed Renderer");     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);     }     // Swap background colors     Color backgroundSelection = renderer.getBackgroundSelectionColor();     renderer.setBackgroundSelectionColor(renderer         .getBackgroundNonSelectionColor());     renderer.setBackgroundNonSelectionColor(backgroundSelection);     // Swap text colors     Color textSelection = renderer.getTextSelectionColor();     renderer.setTextSelectionColor(renderer.getTextNonSelectionColor());     renderer.setTextNonSelectionColor(textSelection);     JScrollPane scrollPane = new JScrollPane(tree);     frame.getContentPane().add(scrollPane, BorderLayout.CENTER);     frame.setSize(300, 150);     frame.setVisible(true);   } }                               Related examples in the same category 1. Tree Cell Renderer 2. CheckBox Node Tree Sample 3. Combobox Tree Node Editor 4. extends DefaultTreeCellEditor to create Tree Leaf editor 5. Build a tree and populate it with custom renderers and editors 6. Using DefaultTreeCellRenderer 7. Scrollable Table Cell Renderer 8. This program demonstrates cell rendering and listening to tree selection events.