I have a problem with expanding JTree nodes. I start when use selects a node everything but the path to the selected node and the selected node itself to be collapsed. I've tried using tree.colla...

So this is a method of mine that is called everytime a new node is added.I need the model cleared everytime.The DefaultListModel has a .clear() method.The DefaultTreeModel does not.Help? public ...

I am having difficulty creating a JTree that allows the nodes to be reorganized by dragging and dropping them in the JTree. This seems like it should be relatively simple. I have looked at examples...

My question is: if this two functions have something different? I mean I know that they return something different, but is it possible that number of elements in one would be different then in the ...

I have a custom JTree and a custom JModel; I would for the JTree to "auto-expand" when I give it a new model. At the moment, it simply collapse all the nodes to the root. Here is an example: priv...

I am using a JTree, which is using a DefaultTreeModel. This tree model has some nodes inside, and when I click on a node, I get the information of the node and I change the background color to show...

I have loaded my JTree to view My directory structure as shown in my code and output image. Here, Tree nodes are by default sorted in alphabetical order, but my other requirement is that I want to ...

Problem Applying filtering on a JTree to avoid certain nodes/leaves to show up in the rendered version of the JTree. Ideally I am looking for a solution which allows to have a dynamic filter...

since JTree & TreeModel don't provide tooltips straight out-of-the-box, what do you think, what would be the best way to have item-specific tooltips for JTree? Edit: (Answering my own question...

First of all, let me say that I dont use the DefaultTreeModel. I implement my own TreeModel, so i cant use the DefaultXXX stuff. The problem is this: Through some addStuff() methods which my model ...

I'm trying to implement pop-up menus in Java JTree. I've sub-classed DefaultTreeCellRenderer (to change node appearance) and DefaultTreeCellEditor (to create Components to attach event listeners to...

I am trying to remove the folder symbol from node of JTree which comes by default. How can I accomplish this?

I want to set a different icon for each node in my JTree component. I'm loading each node from a database using a while loop. I set each icon like a root, leaf, or parent. I set them as follows: Al...

I am working with JTree. I would like to know what is best the way to know which nodes are expanded in a JTree so as to save its state (i.e. save all expanded paths). So that if I call model.reloa...

I want to get text of an JTree in format: root sudir1 node1 node2 subdir2 node3 node4 Is it possible? I wrote some code public static String getLastSelectedText(JTree tree) { DefaultMu...

I have a JTree with about 100000 nodes or more. Now I want to expand the whole tree. To do so I use the solution I found here. My problem is that expanding such a large tree takes like 60 seconds ...

How do I double-click a JTree node and get its name? If I call evt.getSource() it seems that the object returned is a JTree. I can't cast it to a DefaultMutableTreeNode.

I was looking for a a JTree implementation, that contains checkboxes and which: When you select one node, all its successors in the tree are automatically selected When you unselect one node, all...

I am having a jtree with 100 nodes. now i want to search particular node from that tree and make that node expanded..? How can i solve this problem.?

I need an example how to add a keyboard handler that detect when Ctrl+C , Ctrl+X , Ctrl+C pressed on a JTree. I were do this before with menu shortcut keys but with no success.

Simple question. I have a TreePath to a node in my JTree. How can I convert this TreePath to the DefaultMutableTreeNode the TreePath points too?

I have two JTree in two panels in a JFrame. I want to change the style(color and font) of nodes on drag and drop from one tree to the other.Please provide me a way to change the color of a JTree no...

I know how to get item from selected item my left mouse button click. I can use TreeSelectionListener. tree.addTreeSelectionListener(new TreeSelectionListener(){ @Override public void valueChang...

I am using the Nimbus look and feel. According to this link, you should be able to achieve 3 different line styles with your JTree: While using the following code: theTree.putClientProperty("...

I'd like to color elements in a JTree. However, simply adding a background color only to the label looks kind of strange. Particularly if more than one node is selected, the resulting shape looks r...