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0 votes
1 answer
287 views

Note: I am NOT asking how to put a checkbox in a JTree - previously, a confused moderator thought this is what I was asking. I already have the checkbox in the tree. I am asking what class or method ...
1 vote
1 answer
212 views

I want to create a way to convert a JSONObject like this: "master root" : { "folder 1" : { "folder 2" : { "example data" : "some more example values", "example ...
1 vote
1 answer
147 views

TLDR: Updating the nodes of a JTree changes the lineStyle (pictures below) and I don't know why this happens and how to prevent it from happening as my code doesn't update any porperties of the ...
0 votes
0 answers
70 views

I'm trying to build a JTree folder structure from a output. Here is the approach. I call a system get list of folders loop through list of folders and create a list create a folder structure from the ...
0 votes
2 answers
220 views

I have a DefaultMutableTreeNode("birds") which has n number of children. Now I want to add this node to 2 different parents DefaultMutableTreeNode("animals") & DefaultMutableTreeNodes("animals2")....
1 vote
1 answer
325 views

I have a following xml, with multiple levels( level 1, level 2, level 3). All the level 1 will go into the tab like showed in the picture. <?xml version="1.0" encoding="UTF-8"?> <treeNode ...
-1 votes
1 answer
74 views

My task is to show a tree of all directories/files of a PC drive, I have a class DirectoryNode that extends DefaultMutableTreeNode with File field directoryPath. I build nodes recursively: public ...
0 votes
0 answers
44 views

I'm having my first time with java Swing and I wondering if can I add values for each DefaultMutableTreeNode and refer to them by selecting specific node? e.g. Calling specific powershell script by ...
0 votes
1 answer
864 views

i have got a problem to add nodes dynamically to my JTree. I receive my JTree Informations via a RestAPI in json Format. The informations i need are the folderID and the folderName. The folderID ...
0 votes
1 answer
253 views

I'm having a lot of trouble dealing with TreeView, more specificcaly with the text shown per node. Starting with an initializer for the Tree, where I expected a single node with the text, it might ...
1 vote
1 answer
89 views

I have a question that type DefaultMutableTreeNode variable's value turns to default once use it in Spark mapToPair() function. Here is my code: public class CA implements Serializable{ private ...
2 votes
2 answers
1k views

I have a JTree of DefaultMutableTreeNodes and I would like to filter them. When I do a filter, I want to keep any node that matches my criteria or has children that match my criteria. Here i ...
1 vote
1 answer
125 views

I've been working on a file server program for a while, and thus far I've been able to avoid posting something here for help. But I cannot find anything on my problem and I am very confused. I've ...
0 votes
0 answers
158 views

I am looking for a way to select the TreeNode before the actually selected node (if no Node is selected, the first Node AFTER the root should be selected) on Button click. I am basically having a ...
1 vote
1 answer
130 views

I am having trouble creating a TreeExpansionListener. I thought it could be as easy as a TreeSelectionListener. Unfortunately I cannot find the correct interface. Here is my listener: private ...

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