jtree

more than one top level TreeNode is possible?

first time use JTree. Just wondering is it possible to have more than one top level TreeNodes? thanks ...

Help making a JTree with a JCheckBox

Hi -- I have an unusual situation where I need to have a JTree with each node containing 2 checkboxes and a label (with the ability to add a listener to tell when any of the potential checkboxes are checked). I also need the root node to have the same layout (which I'm assuming means creating a JPanel with 2 JCheckBoxes and a JLabel), wi...

JTree updates in realtime?

I'm looking for a threaded solution to updating my JTree every second. Basically, I'm... Importing an external file Creating an Enumeration off of that Building the tree off the enumeration The external file can change at random, and the data in the tree needs to represent this change in a somewhat reasonable time manner. How would ...

Swing: listeners execution order on custom component.

My custom component is composed of three JTrees inside a JPanel. Only one JTree should be selected at a time, so I've added a TreeSelectionListener to each of them that calls clearSelection on the previously selected JTree. I'd like to add other TreeSelectionListeners to the JTrees being sure that the selection- handling listeners alway...

Swing: how can I ignore deselection events?

My custom component is composed of three JTrees inside a JPanel. Only one JTree should be selected at a time, so I've added a TreeSelectionListener to each of them that calls clearSelection() on the previously selected JTree. (See here for more details). That works fine, but I need to prevent the TreeSelectionListeners to trigger when ...

Java JTree valueChanged Event before MouseEvent

Here's the situation, I have a jFrame with a tabbed pane and within the tabs I have a couple of jTables and a jTree. I want to be able to chain the selections between the tables and the tree based on whether a user uses a ctrl/shift + click versus a regular click. (If you hold ctrl and click in the first table/tree, it adds to the over...

Java tree node details

I have built a tree using JTree and I want to obtain the node details(like they appear in the frame drawn here). ...

Adding drag and drop support to Jtree

i want to add drag and drop support to my JTree application i hav a created a custom DefaultMutableTreeNode subclass hav a default TreeCellRenderer what all things do i need to add and where? ...

Arranging Nodes in A JTree

Hello World, I have a JTree in which the user can drag/drop or re-arrange nodes, upon saving I have to re-arrange the nodes such that File type nodes must appear before Folder type nodes. I don't need to sort the files/folders name. User Tree: -FolderA +FFA1 -FA1 -FA2 -FolderB -FB1 -File1 -File2 +FolderC -File3 ...

How to expand JTree nodes (in advance), but keep them invisible

Hi, I seems to me that when i call JTree.expandPath( path ) That by default all its parents are expanded as well. But what i actually want to do is, set up specific invisible children to be expanded in advance. So that when a node is expanded that its complete sub-tree pops-out. I've found that internally in JTree expandedState...

Drag and drop between 2 Jtrees

In my application I have 2 JTree controls in a JPanel. How can I transfer data between them, so that the items from the source tree are removed. ...

How do I assocaite a tree node object in java with an image?

I have a Tree node. I want an image to be displayed beside the node name when the tree is viewed. How do I go about? ...

What's wrong with this colored JTree? (custom renderer problem)

Hi, I want write custom TreeCellRenderer to have Root, nodes and leafs in different color. This is my code: tree.setCellRenderer(new DefaultTreeCellRenderer() { @Override public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus) { { ...

Updating JTree nodes background color at runtime.

Hi, I need to change tree nodes color when business logic updates model, wait 1 second, and then change its color back. Basically I would like to create similar thing like here http://stackoverflow.com/questions/1664924/changing-jlist-row-color-at-runtime, but for JTree. So I could use a similar technique,but I also wont to change anc...

Java Issue with Tree Selection

In my program, I have 2 JTrees and there is a common treeselection listener for both. The problem happens when I select a node in the first tree and then immediately select a node in the second tree.Now if I were to go back and select the same node in the first tree that was initially selected, nothing happens. How do I solve this? Is th...

Java Problem with the clearselection() method

I have 2 trees in my program. Iam using JTree's clearselection() method to clear the selection in 1 tree when something in the other tree is selected. The main code is something like this:(inside a valueChanged event listener and tree being the one on which the current selection has been triggered) if ( tree == tree1 ){ tree2.cle...

How do I customize a JComboBox so that the pop-up is a JTree (instead of a list)?

I am trying to create a combo box so that I can put whatever control I prefer within the pop-up, in my specific case a JTree. Having a look at how the JComboBox is implement, the pop-up is really created by the UI delegate. The problem in changing that is that it would need to be re-implemented for each look and feel, which is something ...

Java Tree Node selection

I have a tree and a TreePath to one of its nodes. How do I programatically select this node? Will setSelectionPath of the JTree object alone work? ...

Code review please: a Java program that displays an XML file with 30000+ terms in a JTree.

I am hunting for a job and one of the companies that I interviewed with asked me to write a little test program so that they could test my programming abilities. I am a biologist by training, and most of my programming knowledge I gain by autodidactic means. I am also more comfortable writing Python then Java. This is the brief I was g...

JTree data from database

Hi all, I'm working on the example at http://java.sun.com/docs/books/tutorial/uiswing/examples/components/GenealogyExampleProject/src/components/GenealogyExample.java I wanted to customize it in a way the data are pulled from a table instead (folder_id, folder_name, parent_id[foreign key to determine parent] . Here is my code publi...