Tree open Icon : Tree « Swing JFC « Java

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Java » Swing JFC » Tree

Tree open Icon


  

/*

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.Container;



import javax.swing.JFrame;

import javax.swing.JScrollPane;

import javax.swing.JTree;

import javax.swing.LookAndFeel;

import javax.swing.UIDefaults;

import javax.swing.UIManager;



public class LazySample {



  public static void main(String args[]) {



    JFrame frame = new JFrame("Lazy Example");



    Object iconObject = LookAndFeel.makeIcon(LazySample.class, "World.gif");

    UIManager.put("Tree.leafIcon", iconObject);



    Integer fifteen = new Integer(15);

    Object lazyArgs[] = new Object[] { Color.green, Boolean.TRUE, fifteen,

        fifteen };

    Object lazyDiamond = new UIDefaults.ProxyLazyValue("DiamondIcon",

        lazyArgs);

    UIManager.put("Tree.openIcon", lazyDiamond);



    JTree tree = new JTree();

    JScrollPane scrollPane = new JScrollPane(tree);



    Container contentPane = frame.getContentPane();

    contentPane.add(scrollPane, BorderLayout.CENTER);

    frame.setSize(200, 200);

    frame.setVisible(true);

  }

}

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5.	DefaultMutableTreeNode Node Tree Sample
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21.	Tree based on Array structure
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38.	TreeExpansionListener and TreeExpansionEvent
39.	Enabling and Disabling Multiple Selections in a JTree Component
40.	Allow only a single node to be selected (default)
41.	Allow selection to span one vertical contiguous set of visible nodes
42.	Allow multiple selections of visible nodes
43.	Setting the Row Height of a JTree
44.	All rows will be given 15 pixels of height
45.	Have the row height for each row computed individually
46.	Flush the internal cache of Row height
47.	Preventing Expansion or Collapse of a Node in a JTree: override JTree.setExpandedState()
48.	Removing a Node to a JTree Component
49.	JTree root cannot be removed with removeNodeFromParent(), use DefaultTreeModel.setRoot() to remove the root
50.	Listening for Expansion and Collapse Events in a JTree Component
51.	Expansion and Collapse Events in a JTree are fired before a node is expanded or collapsed can be vetoed, thereby preventing the operation.
52.	Creating a JTree Component
53.	Changing and Removing the Default Icons in a JTree Component
54.	Use UIManager to change the default icon for JTree
55.	Getting the Selected Nodes in a JTree Component
56.	Visiting All the Nodes in a JTree Component
57.	Traverse all expanded nodes in tree
58.	Finding a Node in a JTree Component
59.	Search backward from last visible row looking for any visible node whose name starts with prefix.
60.	Find the path regardless of visibility that matches the specified sequence of names
61.	Adding a Node to a JTree Component
62.	Returns a TreePath containing the specified node.
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
69.	Deleting nodes from JTree
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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