Model « JTree « Java Swing Q&A





1. How can I refresh a JTree after adding some nodes to the underlying model?    stackoverflow.com

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() ...

2. How to display a tree of objects in a JTree?    stackoverflow.com

Imagine a collection of objects such as World, Country, Region and City. World contains a list of Country objects, Country contains a list of Region objects etc. I would like to represent ...

3. How to make JTree selection model only allow sibling selection?    stackoverflow.com

I have a jtree and I only want the user to be able to select sibling nodes. If the user selects nodes that aren't siblings, I want the previously selected nodes ...

4. JTree refreshing after setting new jtree model    stackoverflow.com

I'm trying to use dynamically JTree component. Under root node I have four nodes and one of them ("Operations") can have 0 to many children. This is set by user via editable ...

5. JTree with DefaultTreeModel, how to refresh visually after loading?    stackoverflow.com

I have been searching here and found answers to this problem but can't seem to make them work for me. Basicly I have a GUI that contains a JTree inside a ...

6. How to create a tree model for three JTrees    coderanch.com

HI, everybody I work on an application which should implement three trees displaying differends conditions of a node. In my case I have one main tree (containing parent and child nodes)and two other trees.Every node can have three conditions so if the node is in condition one I want to have it displayed in the main tree (in this tree remains ...

7. Editing JTree Custom Model    coderanch.com

8. How to refresh my tree when the model changes.    coderanch.com

Hi, I have written my own custom tree model. I create the JTree and pass the model as parameter then show the JTree in a scrollpane. There is a button to repopulate the tree model. My question is when I hit this the model is repopulated, but the UI does not reflect the changes even after calling revalidate. What is the ...

9. Writting Custom Tree Model    coderanch.com

Hi all, I need litle help here to get started in right direction. (sort of lost somewhere.). I am trying to display an object in JTree component with all its premitive data as well as any other user-defined object it may contain. Object which i am getting doesn't have to do anything with specific tree interfaces, they are simple POJO's which ...





10. combo boxes with number of jtree models    forums.oracle.com

Hi Does anyone off hand know of a good illustrative tutorial of how to make a JComboBox control setModel on a JTree. The idea is so when One is selected the first TreeModel is used, when Two is selected the second and so forth. If anyone could steer me in the right direction it would help me a great deal at ...

11. update model in jtree    forums.oracle.com

Hi. I have a problem updating the model in a jtree. The model is a custom model, not derived from DefaultTreeModel. For adding data it works perfectly fine. When the content of the model is saved to an XML file, it is there. So far so good. Once the content is added to the tree model and I try to call ...

12. how to get the etire content of a jtree (model)    forums.oracle.com

ive been trying to get the entire content of a Jtree into a DefaultMutableTreeNode Object without much success really, there must be an easy way to do so, but i cant find it. im looking for something along the lines of DefaultMutableTreeNode MyNewRootNode = jtree.getContent() so that i have the entire tree with its respective treenodes, and child treenodes. any pointers ...