Working with Tree Tooltips: using a Tooltip Cell Renderer : JTree Editor Renderer « Swing « Java Tutorial

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Java Tutorial » Swing » JTree Editor Renderer 
14. 69. 4. Working with Tree Tooltips: using a Tooltip Cell Renderer
Working with Tree Tooltips: using a Tooltip Cell Renderer
import java.awt.BorderLayout;
import java.awt.Component;
import java.util.Dictionary;
import java.util.Properties;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.ToolTipManager;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreeCellRenderer;

class ToolTipTreeCellRenderer implements TreeCellRenderer {
  DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();

  Dictionary tipTable;

  public ToolTipTreeCellRenderer(Dictionary tipTable) {
    this.tipTable = tipTable;
  }

  public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected,
      boolean expanded, boolean leaf, int row, boolean hasFocus) {
    renderer.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
    if (value != null) {
      Object tipKey;
      if (value instanceof DefaultMutableTreeNode) {
        tipKey = ((DefaultMutableTreeNodevalue).getUserObject();
      else {
        tipKey = tree.convertValueToText(value, selected, expanded, leaf, row, hasFocus);
      }
      renderer.setToolTipText((StringtipTable.get(tipKey));
    }
    return renderer;
  }
}

public class TreeTips {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Tree Tips");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Properties props = System.getProperties();
    JTree tree = new JTree(props);
    
    ToolTipManager.sharedInstance().registerComponent(tree);
    TreeCellRenderer renderer = new ToolTipTreeCellRenderer(props);
    
    tree.setCellRenderer(renderer);
    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300150);
    frame.setVisible(true);
  }
}
14. 69. JTree Editor Renderer
14. 69. 1. Getting Default TreeCellRenderer From JTreeGetting Default TreeCellRenderer From JTree
14. 69. 2. extends JLabel implements TreeCellRendererextends JLabel implements TreeCellRenderer
14. 69. 3. Creating a Custom RendererCreating a Custom Renderer
14. 69. 4. Working with Tree Tooltips: using a Tooltip Cell RendererWorking with Tree Tooltips: using a Tooltip Cell Renderer
14. 69. 5. Editing Tree Nodes with triple clickingEditing Tree Nodes with triple clicking
14. 69. 6. Creating a DefaultCellEditor: JTextFieldCreating a DefaultCellEditor: JTextField
14. 69. 7. Creating a DefaultCellEditor: JComboBoxCreating a DefaultCellEditor: JComboBox
14. 69. 8. Creating a DefaultCellEditor: JCheckBoxCreating a DefaultCellEditor: JCheckBox
14. 69. 9. Creating a Proper ComboBox Editor for a TreeCreating a Proper ComboBox Editor for a Tree
14. 69. 10. Creating an Editor Just for Leaf NodesCreating an Editor Just for Leaf Nodes
14. 69. 11. Rendering an image in a JTable column
14. 69. 12. Setting the Activation Click Count for a Table Cell Editor in a JTable Component
14. 69. 13. Using DefaultTreeCellRenderer
14. 69. 14. Changing and Removing the Default Icons in a JTree Component
14. 69. 15. Use UIManager to change the default icon for JTree
14. 69. 16. Flush the internal cache of Row height
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