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Questions tagged [treemodel]

109 questions
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Use check_call to convert dot to png, get no such file or permission denied

I'm using check_call(['dot', '-Tpng', 'tree.dot', '-o', 'tree.png']) but I got FileNotFoundError: [Errno 2] No such file or directory: 'dot' When I specify the path to replace the 'dot' I got PermissionError: [Errno 13] Permission denied I…
Tyree Wang
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JTree is displaying nodes that should be expandable as leaf nodes

I have this project where my program fetches files from a operating system disk image and stores their details in a database and another functionality fetches the files from the database and stores them in a List (my own object type) and is supposed…
Aayush Pathak
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Integrating jsTree with Treemodel

I am a complete javascript newbie, how can I integrate, jsTree on the front end, with the backend services in node.js. The backend is written using the Treemodel library (http://jnuno.com/tree-model-js/). With additional functions such as function…
howyoulikemenow
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How to add ListStore inside ListStore in Rust's gtk-rs bindings?

I want to create program with a TreeView containing ComboBoxes using the gtk-rs bindings. In order to have data for the GtkCellRendererCombo, I need a GtkTreeModel *, but I don't know how to add a ListStore inside a ListStore. For now I have only a…
wm_obsd
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Should I 'destroy' a liststore (model of treeview) when destroy treeview?

I'm programming python + Gtk3. I have a Gtk.TreeView with a Gtk.ListStore as model. At some point of the program I need to destroy the treeview in order to put a fresh one on it's place. However I don't know what happens with the model. Should I…
GasparAlbert
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Asynchronously tree traversal using tree-model-js

May I know is there a way to walk/traverse tree asynchronously using tree-model-js. There is a walk function in tree-model-js. However, it seems it is not an aync function. Basically, I have some aync processes to process each node of the tree. I…
Nick Tang
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Binding HashMap to MutableTreeNode

I need to bind a Hashmap to a MutableTreeNode so that I can display that in a JTree. I have the following code: static Map form = new LinkedHashMap(); I guess this is how I need to implement MutableTreeNode. I just…
Omid
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JTree is badly blurred when scrolling

I have a JTree inside a JScrollPane, and when I use the scrollbar the tree gets all blurred up, as you can see in the image below. It gets back to normal if I do something to make it repaint, like minimize and restore the window, or click in the…
Gigatron
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How to build a Serializable TreeModel containing files and subdirectories?

I'm trying to build a TreeModel for a Java application. Since I need to serialize it and send it via an ObjectOutputStream, I'm trying to use the DefaultTreeModel because it implements the Serializable interface. Ok, I think I'm fine with that. My…
thibaultcha
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How to change or view gtk.ListStore flags in Python

I have a TreeView connected with a ListStore object. One of the function calls ListStore.get_iter_next(). Since the ListStore data changes every time, I am doubtful that iter is causing a memory leak. I need to check if the ListStore has…
Kashif
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JTree custom model adding/removing/changing nodes

I got such a trouble. I have an overlay database structure and use JTree to display the items. Here's my simplified view of model: public class MenuTreeModel implements TreeModel { private MenuList ml; public MenuTreeModel( MenuList ml ) { …
Yurgen
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Filesystem JTree using Java 7's NIO

I've seen plenty of examples of JTrees that display the file system using the standard Java File API. Are there any example implementations of a JTree (maybe using a custom TreeModel) that use the new NIO apis from Java 7? I'd love to see an example…
Andy
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JTree not updating (need clarification)

Here is the problem: I have a main panel, that has 3 sub panel containing an status update area, projectlistTree panel and a analysis panel. The projectlist tree panel needs two clases: One a panel clas that contains the user interface…
Balaram26
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How can I show a flat representation of a GtkTreeStore in a GtkTreeView?

I have a TreeStore with objects that I view and manipulate through a GtkTreeView/GtkTreeModel setup. I also have a TreeView showing a TreeModelSort of the TreeStore, which I use for sorting on columns like name and date. The problem is, that the…
john
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Create a JTree from a list of dot-delimited Strings

I am creating an editor application, and I am having a problem with my menus. In the object menu, I want to display several objects types using a JTree. These object types are dynamically registered by plugins and follow this…
ShamanMaster
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