All Questions
1,014
questions
0
votes
0
answers
26
views
Draggable nodes in JTree
This is the TransferHandler code I found here.
JTree is completely draggable, but the problem is that when I move one of the nodes, in the place where I put that node, two nodes are added instead of ...
- 7
0
votes
0
answers
19
views
Java - JTree, DefaultModelTree won't update
Is it possible to add nodes just before expanding a tree, no matter how I approach this it just doesn't work at all. I've used all of the DefaultTreeModel's functions and it just doesn't seem to work, ...
1
vote
0
answers
54
views
How can I change the text color to certain elements of JTree but not to the whole tree?
I know that I can change the text color using:
import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import java.awt.*;
public class ...
- 13
1
vote
1
answer
94
views
JTree Default icons not removed with Root Icon
I am aware that there are relevant materials exists on google about JTree icons change, but still I am unable to sort out my simple requirements.
I need to change the icon of Root element of JTree ...
- 187
0
votes
1
answer
60
views
Issue with Swing JTree Checkbox Behavior
Facing this issue with my code while working with checkboxes in a JTree. The root node is treated as a "Named Vector" in first iteration instead of a "CheckBoxNode"As a result, it ...
- 493
0
votes
0
answers
32
views
JTree. Wrong gui update order
I have JTree. Child nodes are loaded dynamically when the parent node is expanded (treeExpanded event). Their loading time is a few seconds. I want to display the message "Wait" in the ...
- 13
-1
votes
2
answers
110
views
Java Swing's JTree uses node's hashcode - why?
It seems JTree has a -for me- unexpected behavior: it relies on the hashcode of the nodes instead of relying on its model. This deviates from the way e.g. JTable and JList work: these two allow you to ...
- 2,574
2
votes
0
answers
52
views
update JTree nodes with a full TreeNode hierarchy instead of update
I have a JTree that I want to update its node based on a list that I have receiving from remote (some of its data is already in Tree ,so they are some repeatations)
Here is my data model that comes ...
-1
votes
1
answer
73
views
Trying to use standard JTree implementation, but the output is really messed up
I'm trying to use JTree. Here is my example test class:
package inspector;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.util.ArrayList;
import java.util....
- 31
0
votes
0
answers
57
views
How do I refresh/update the Custom fileTree Swing component by itself during file changes?
I found this Custom fileTree Component from github to implement it into my project, I'm using this JTree component to access and display file information like file name, file path, file type in a ...
- 1
-1
votes
1
answer
53
views
How to change background color of a jtree node
I am having a netbeans project with jtree and DefaultMutableTreeNode. I have to search a node in the tree by its name and want to highlight it, for highlighting I think I will change the background ...
- 21
0
votes
0
answers
27
views
how to add Folder directory or files in a folder to JTree of my code, before answering check the code that I written [duplicate]
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;...
- 1
-2
votes
1
answer
277
views
class cannot be cast to class javax.swing.tree.DefaultTreeCellRenderer error
public class jtre extends javax.swing.JFrame {
static{
try{
UIManager.setLookAndFeel(NimbusLookAndFeel.class.getName());
}catch (ClassNotFoundException ex){
...
1
vote
1
answer
143
views
Java : JTree and BasicTreeUI reference doesn't show scrollbars
Working with the JTreeWithScrollbar example, but scaled it back significantly to focus on the issue.
The original code would have the vertical scrollbars appear as needed.
Here, there is plenty of ...
- 1,513
1
vote
1
answer
41
views
Java - JTree not following Path hierarchy
I need to create a tree node that uses a HashMap to build a tree of files, the key of the HashMap is the Path and it's Value is the File Name. I've implemented a code that breaks down the key value to ...
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