Questions tagged [treemodel]
109 questions
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How do I read or write GTK TreeStores from/to files?
I'm new to this.
How do I store a TreeStore to a file? I can store specific values from the underlaying TreeStore through the TreeModel interface, but is there any way of "grabbing" the whole underlaying TreeStore as a value, or do I have to…
john
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Java: How to check entire JTree paths for String
I have been looking at this for awhile now but I cant really seem to find much about it online. I have a JTree and a list of strings. I want to search just the lowest levels of the JTree(so not every node in the tree is searched, just the lowest…
newSpringer
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questions on "virtual trees" (custom TreeModel) in Swing
OK, I couldn't really find a decent example for a custom TreeModel in Swing that uses more than the basic features, so I wrote my own (code follows below) so I can ask questions about it, rather than about a more complicated application that's the…
Jason S
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JAVA File Tree Model slow for pendrive
I'm developing an application which will work with external memories accessed through USB a lot.
I've implemented TreeModel for browsing directories on disks. It works great for:
local discs on Ubuntu
connected external memories on Ubuntu
local…
Bladositto
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2 answers
Storing and using multiple values per JTree node
Okay, I'm very new to Java so please bear with me.
I am using Netbeans 6.8 to write a small desktop application that includes a JTree component, and my requirement is that I be able to save and load the tree structure, but that the structure allows…
MaxVK
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defaultTreeModel nodes removed still shown in table
I am trying to remove nodes from a DefaultTreeModel. If I try to remove a single node, it doesn't get removed from the GUI. If I remove 2 nodes, only 1 of them is getting removed, etc.
I am using removeNodeFromParent(node); to remove the…
Bogdan T.
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JTree and TreeModel with hierarchy of varying class?
I have a hierarchy of objects that I would like to show using a JTree and TreeModel. Each level of the hierarchy is a different class.
All the examples of JTree and TreeModel I've seen have a common class throughout the entire hierarchy of the tree…
mark
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Java: Get the second highest ancestor of a descendant treenode
Using the DefaultTreeModel, defaultmutbletreenode's getRoot() returns it's highest ancestor, but how would you go one generation down to return it's second highest ancestor?
root
- ancestor 1
- some parent
- some child
- ancestor 2
- some…
KJW
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Java: preorderEnumeration in TreeModel, how to get depthindex and sibling index?
for (Enumeration e = root.preorderEnumeration(); e.hasMoreElements() && theNode == null;) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();
}
For that example above, how can you find out how deep you are in…
KJW
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Angular standalone component importing module error
Component imports must be standalone components, directives, pipes, or must be NgModules. Here treemodule is up to date but still getting the error . this is the error caused in component
This is he error caused in main.ts
Answers for the above…
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JTree Issues Updating Nodes and with Key Handlers
I'm try to create a custom JTree using Checkboxes following the code from this post. But I'm running into three issues:
When I try to change the name of one of the CheckBoxNodes (using the keyReleased handler), it wont update the text even though I…
cdubbs
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How to stringify a tree model
I am working with treemodel to create a tree representation
When I try to stringify it using json, or to string, I get an error of course.
What is the best way to stringify this tree model?
Here is example of my output
config:
{…
Yuvals
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how to recursively delete all nodes in JTree?
in a JTree comprised of DefaultMutableTreeNodes, how would you traverse and delete starting from a given Node and all it's ancestors?
it should delete starting at it's deepest level , backing upwards to the given Node. the given starting node should…
KJW
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Java: serialize TreeModel, TableModel to JSON, and vice versa?
On the client side, a user specified input creates a unique TreeModel and TableModel.
This needs to be serialized to JSON for storage on MongoDB (stores JSON document directly).
The JSON needs to be parsed back into a TreeModel or TableModel which…
KJW
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How do you apply a TreeModel to an element?
I am using the library TreeModel. It has great documentation except for the fact that it doesnt show how to actually show the tree in the html ? Does anyone have a clue ?
I'm doing this cause I am practicing my data structures in building a Binary…
numerical25
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