1. Java TreeNode: How to prevent getChildCount from doing expensive operation? stackoverflow.comI'm writing a Java Tree in which tree nodes could have children that take a long time to compute (in this case, it's a file system, where there may be network ... |
2. more than one top level TreeNode is possible? stackoverflow.comfirst time use JTree. Just wondering is it possible to have more than one top level TreeNodes? thanks |
3. How can I make a TreeNode change the cursor when the mouse hovers over it? stackoverflow.comI have created a menu using a treeview to launch forms when the user clicks on a node. To complete the look-and-feel, I have set up the nodes to look ... |
4. Why are TreePath constructed by Object[] instead of TreeNode[]? stackoverflow.comFrom the Java API, it seems that nodes of a JTree are instances of TreeNode. In addition, all TreePaths returned seems to be instances of TreeNode. So, why are ... |
5. comparing two TreeNode (or DefaultMutableTreeNode) objects in Java Comparator stackoverflow.comMy goal is very simple today, I am trying to work out the proper way to implement compareTo (or the Comparable) interface for my class which extends DefaultMutableTreeNode. The problem is this: ... |
6. how I can save 2 value(text & value of that text) to a jtree node stackoverflow.comI create a Jtree in java, I would like to add 2 value to each node , I mean is it possible we have 2 value in each node? for example ... |
7. How can I cast String to TreeNode in java Swing? stackoverflow.comIs it possible to convert String to TreeNode in java Swing? If yes, how? |
8. Treenode image coderanch.com |
9. TreeNode Problem... coderanch.com |
10. How to make a TreeNode response to a double mouse click? coderanch.com |
11. TreeNode ClassCastException? coderanch.comhi, here it is. this code displays the filesystem inside a jtree. just start it with some existing path like c:\. after 3 seconds a method is called and the exception occurs..... import javax.swing.*; import javax.swing.tree.TreeModel; import javax.swing.tree.TreePath; import javax.swing.event.TreeModelListener; import javax.swing.event.TreeModelEvent; import javax.swing.event.EventListenerList; import java.util.List; import java.util.ArrayList; import java.util.Map; import java.util.*; import java.util.HashMap; import java.io.File; import java.io.Serializable; import javax.swing.tree.*; public ... |
12. JTree TreeNode question coderanch.comAssuming you are asking how to do this programatically visavis with the mouse import java.awt.*; import java.awt.event.*; import java.util.Enumeration; import javax.swing.*; import javax.swing.tree.*; public class ExpansionTest { TreeNode selectedNode; public ExpansionTest() { String[] names = new String[] { // branches |<-- child leaf nodes -->| "hawks", "gray", "red-tailed", "rough-legged", "falcons", "harrier", "kestrel", "kite", "owls", "barred", "saw-whet", "snowy" }; JTree tree = ... |
13. How to disable a certain treenode in a jtree coderanch.comHi. I am not sure if it is the good solution, but at list it works. Here the code: import javax.swing.JTree; import java.awt.Component; import javax.swing.tree.DefaultMutableTreeNode; import javax.swing.tree.DefaultTreeModel; import javax.swing.tree.DefaultTreeCellRenderer; import javax.swing.tree.TreePath; import javax.swing.event.TreeExpansionListener; import javax.swing.event.TreeExpansionEvent; public class MyTree extends JTree implements TreeExpansionListener{ DefaultMutableTreeNode root = new DefaultMutableTreeNode("root"); public MyTree() { this.setTree(); this.setModel(new DefaultTreeModel(root)); this.setCellRenderer(new MyCellRenderer()); this.addTreeExpansionListener(this); } public void setTree() { ... |
14. Whats the best way to change background of treeNode in JTree coderanch.comGreetings Ranchers, I'm trying to change the background of a treeNode to get a hovering effect on mouseOver(); evrything seems to work so far...except I'm updating my whole tree UI; this is causing flickering of my cursor. Is there another way of changing the background of tree node without whole tree updateUI() ? //In TreeRenderer if (selected)// selection flag { setForeground(Color.white); ... |
15. DefaultTreeCellRenderer not highlighting TreeNode on right-click coderanch.com |
16. Cloning a TreeNode......... coderanch.comThat was not for you. It was for the admins. We have a strict naming policy here at javaranch. One of the admins has posted you a private message asking you to change your display name from Lohith S. Ok I have changed my display name from Lohith S to Lohith....... but still i didn't get reply to my problem......... |
17. Treenode from Object coderanch.comHello! This is more a general question about datastrucutre and objects. However as there is only a Tree structure in the swing packages - and my question is about the jTree I hope it's ok to post my question here... I have a list of vehicle objects with the following attributes: Name Typ Subtyp Farbe --------------------------------------------------------------------------- Audi A4 Auto Cabrio red ... |
18. JTree-->TreeNode-->Blinking gif image coderanch.com |
19. how to set treenode as "being edited"? coderanch.com |
20. equals() failing in userObject of TreeNode java-forums.orgI'm not exactly sure how to ask this question, since my code is very long and has many pieces and I have no idea where the problem is. I have a drag and drop implementation that usually works fine (I am using a JTree); However, with this particular program it is doing the following: When I drag a node to itself, ... |
21. JTree - Implementing TreeNode question java-forums.orgHi, I'm trying to use a JTree as a UI to a database table (the lazy way - only querying what i need when i need it). For some reason, though I implemented all the methods needed, The JTree only displays the root and nothing else. creating th JTree: Java Code: public class LibraryBrowser extends JFrame { private static final long ... |
22. Getting a TreeNode on a JTree forums.oracle.com |
23. Jtree and TreeNode interface forums.oracle.comI am trying to create a custom node (a node with a jlabel and a textfield) for a a JTree. I am not entirely sure how to accomplish this, so I a certain route. I tried to create a custom class that extends JLabel and implements TreeNode. Is this the way to do it? |