Questions tagged [treemodel]
109 questions
2
votes
1 answer
How to Stop JTree from collapsing after removing a node from the tree
I'm making a JTree and I have a button that removes a node from the tree. Everytime I removde the node with the button, the Tree automatically collapse. I've read that it's becasue I'm using .reload(). I've also read some SO answers that suggested…
Paul Samsotha
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2
votes
1 answer
Which function can be used to select an item in a tree view with Qt?
Which function can be used to select an item in a tree view (or model) with Qt? I even don't know the function is in tree view or model. How to do it? Any function like select(const QModelIndex & index)? Thanks.
user1899020
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2
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1 answer
Create non-selectable DefaultTreeModel node with children
I have a DeafultTreeModel tree that has three levels of nodes in it. I want to be able to have the root node and its immediate children node to be non-selectable. Whereas third level of children node should be selectable. Can someone please help me…
Harini J
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2
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1 answer
Highlight the searched node in tree in java swing
m_searchButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
DefaultMutableTreeNode node = searchNode(m_searchText.getText());
if (node != null) {
TreeNode[] nodes =…
Nikhil
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2
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2 answers
Implementing TreeModel
I am trying to write a class that implements the TreeModel class. I was hoping someone could guide me in the right direction. Below is my class. The problem is when I bind it to a jTree Component, the second level keeps being added over and over. So…
PhillyNJ
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1
vote
1 answer
JTree How To Change A Node programmatically?
I'm trying for the first time to use and understand JTrees, TreeModels, TreeModes etc. I want to use a Tree to represent Bluetooth devices in the vicinity of my local device. My Bluetooth device is the Root node of the tree and any FIRST descendents…
D-Dᴙum
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1
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2 answers
Updating ImageIcon in JTree without repainting the Tree?
Basically I edit an attribute private string status="OK" in the UserObject() of a DefaultTreeNode().
I have a CustomRenderer which implements DefaultCellRenderer, which sets the Icon by rendering the "OK" attribute of UserObject of a…
KJW
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1
vote
1 answer
Is the GTKMM set_value_vfunc function a lie?
I've been attempting to modify the contents of a custom tree view that inherits from TreeModel and TreeSortable. However, the virtual function set_value_impl contains only an assert. When I tried to look for example implementations, they all quote…
River-Claire Williamson
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1 answer
How to clone a java TreeModel?
I want to have 2 TreeModels: the root of the second TreeModel is a node of the first TreeModel (therefore, the second TreeModel is a subtree of the first TreeModel).
I think that I can easily do this by cloning the this TreeModel and changing the…
michelemarcon
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1 answer
Java: serverside Persistent storage solution for TableModel and TreeModel?
Scenario: client would logon, create their own TableModel and TreeModels and be able to access it at a later time.
TableModel and TreeModel which comprises of Java class objects as well as strings.
How would I be able to store this on couchDB? (is…
KJW
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1
vote
1 answer
How to change data of a GtkTreeModel (within "edited" callback)
I'm catching the "edited" signal of my GtkCellRenderer:
GtkTreeModel * sortmodel; // contains a sorted model of GtkListStore
// ...
GtkCellRenderer * renderer;
// ...
g_object_set(renderer, "editable", TRUE, NULL);
g_signal_connect(renderer,…
DarkTrick
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1
vote
1 answer
Convert TreeModel.toString back to TreeModel
I am writing a java PlugIn for a robot, which involves using a dynamic JTree. When the program that uses the PlugIn is closed, and then reopened, any variables and object need to be stored in the robots DataModel. However, I cannot store a JTree in…
Sam Hilton
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1
vote
2 answers
How to use goJs TreeModel in angular 7
I am trying to create a tree model with a set of links and nodes. I have it in my jsfiddle using javascript it works fine. I am trying to replicate the same in angular. I could not find any helpfull info. I am getting the below error when i try to…
HariHaran
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0 answers
How about if use GUI class in QT CLI application?
I am developing a Qt CLI application.
I know that we should only use the class of CORE lib
QT -= gui
CONFIG += console
But I want to use QStandardItemModel for a tree view (show on console window).
How about if I set Qt += gui and include…
kien bui
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1
vote
2 answers
Dynamically create node in lwuit for tree view
TreeModel model = new TreeModel() {
Node[] sillyTree = {
new Node("X", new Node[] {
new Node("Child 1", new Node[] {
}),
new Node("Child 2", new Node[] {
}),
new Node("Child 3",…
JohnRaja
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