Changing and Removing the Default Icons in a JTree Component : Tree « Swing JFC « Java

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Java » Swing JFC » Tree

Screenshots

Changing and Removing the Default Icons in a JTree Component


  



import javax.swing.Icon;

import javax.swing.ImageIcon;

import javax.swing.JFrame;

import javax.swing.JScrollPane;

import javax.swing.JTree;

import javax.swing.UIManager;

import javax.swing.tree.DefaultTreeCellRenderer;



public class Main {

  public static void main(String[] argv) throws Exception {

    Icon leafIcon = new ImageIcon("leaf.gif");

    Icon openIcon = new ImageIcon("open.gif");

    Icon closedIcon = new ImageIcon("closed.gif");



    JTree tree = new JTree();

    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();

    renderer.setLeafIcon(leafIcon);

    renderer.setClosedIcon(closedIcon);

    renderer.setOpenIcon(openIcon);







    JFrame f = new JFrame();

    f.add(new JScrollPane(tree));

    f.setSize(300, 300);

    f.setVisible(true);



  }

}

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48.	Preventing Expansion or Collapse of a Node in a JTree: override JTree.setExpandedState()
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56.	Visiting All the Nodes in a JTree Component
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58.	Finding a Node in a JTree Component
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60.	Find the path regardless of visibility that matches the specified sequence of names
61.	Adding a Node to a JTree Component
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63.	Converting All Nodes in a JTree Component to a TreePath Array
64.	Get path for all expanded or not expanded tree pathes
65.	Expanding or Collapsing All Nodes in a JTree Component
66.	Preventing the Expansion or Collapse of a Node in a JTree Component
67.	Listening for Selection Events in a JTree Component
68.	Have a popup attached to a JTree
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70.	Adding editable nodes to JTree
71.	Searching node in a JTree
72.	Drag and drop of a group of files into a tree
73.	JTree drag and drop utilites
74.	Expand All for a tree path
75.	Get tree path from TreeNode

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