Stack Overflow
Stack Overflow

Questions tagged [tree-nodes]

36 questions
21
votes
1 answer

Adding and removing nodes from a JTree

I have a very basic JTree. As I am on a rush, I'd prefer not to use TreeModel if it is not needed. I wrote a SSCCE to expose the problem: Sometimes I add a node. Other times I remove them. When I push Add, a node is correctly added. When I push…
Roman Rdgz
  • 12,836
  • 41
  • 131
  • 207
16
votes
10 answers

How to get a list of all child nodes in a TreeView in .NET

I have a TreeView control in my WinForms .NET application that has multiple levels of childnodes that have childnodes with more childnodes, with no defined depth. When a user selects any parent node (not necessarily at the root level), how can I get…
Matt Hanson
  • 3,458
  • 7
  • 40
  • 61
9
votes
2 answers

How would I represent this workflow as a JavaScript data structure?

I'm dealing with a pretty complex workflow that I want to represent as a JavaScript data structure. The flow is essentially a set of questions and answers where the answer to one question affects which question is asked next. The following is a…
HartleySan
  • 7,404
  • 14
  • 66
  • 119
8
votes
2 answers

javascript framework for relationship visualization

Possible Duplicate: Graph visualization code in javascript? I need to create a dynamic visualization for nodes and their relationships in Javascript. What's the best framework to use? This is what I've briefly reviewed so far: Flare - it's…
at.
  • 50,922
  • 104
  • 292
  • 461
6
votes
2 answers

TreeNode Right Click Option

I am working TreeView and TreeView.Nodes in my C# GUI application and want to use the right click functionality on a few nodes in my tree. I have searched quite a bit but it seems like the SelectedNode is valid only for left click and there is…
zack
  • 7,115
  • 14
  • 53
  • 63
3
votes
1 answer

Extend ANTLR3 AST's

With ANTLR2, you could define something like this in grammar definition file: options { language = "CSharp"; namespace = "Extended.Tokens"; } tokens { TOKEN; } And then, you could create a class: public…
dcg
  • 1,144
  • 1
  • 22
  • 38
3
votes
2 answers

UltraTree Infragistics - select all the nodes

In Infragistics UltraTree, how can one select all the nodes under a root?
Bote5340
  • 31
  • 1
  • 2
3
votes
1 answer

Finding the heaviest path in a binary tree efficiently - python

I am trying to solve the following: finding the weight of the heaviest node in the tree and also representing that node as a list. This is what I came up with, but I am pretty sure that it is a very messy solution. Any advice on doing it more…
nanachan
  • 1,051
  • 1
  • 15
  • 26
3
votes
1 answer

c# XML Treeview (Plumbing)

I'm creating a XML-viewer which should be able to read every XML file and put it in a treeview. My goal is to create a XMLViewer control, an user should be able to change certain routines in his own implementations. I provide default implementations…
user1951083
  • 261
  • 1
  • 5
  • 20
2
votes
4 answers

HTML table DOM creates wrong number of child elements

I have a table in my code which I am using as a look-up table, by grabbing some values from based on the id of the .
1.34 0.67 1 1.25
When I have my table typed-in…
user414071
  • 23
  • 2
2
votes
1 answer

Argument for IEnumerator on TreeNode

what is the valid argument for IEnumerator on TreeNode? i got the error on this line: IEnumerator ie = tn.Nodes.GetEnumerator(); in this method: private void parseNode(TreeNode tn) { IEnumerator ie = tn.Nodes.GetEnumerator(); …
Vincent Dagpin
  • 3,581
  • 13
  • 55
  • 85
2
votes
2 answers

Linked List in C

I'm having problem with double linked lists: I can't get data from nodes throgh another node. This way: node->prev->prev. But node->prev is fine. Anyone knows why? The code: /*Add value - right side*/ void addListRight(doubleList *node, int value) …
Shuryon
  • 55
  • 1
  • 1
  • 4
2
votes
2 answers

Is it possible to pass variable as parameter in javascript function?

I have this function: protected void mytv_SelectedNodeChanged(object sender, EventArgs e) { TreeView tv = sender as TreeView; var nid = tv.SelectedNode.Value; ScriptManager.RegisterStartupScript(this, this.GetType(), "anyname",…
user35
  • 468
  • 1
  • 9
  • 24
2
votes
1 answer

JStree 1.0 create new type

I'm trying to use jstree. Actually I'm using the example: PHP & mySQL demo + event order that you can find on a webpage: http://www.jstree.com/demo I need to create a new type in the tree structure, therefore I added the following lines of code in…
Danilo
  • 2,016
  • 4
  • 24
  • 49
1
vote
2 answers

Adding a child node to specific node in VB.NET

I have a treeview on my form and in that treeview there are screen resolutions categorized to their type (categories: 16:9, 16:10, 4:3 etc...) and there are one last node which is labelled "Custom". I would like to enable users to add their own…
user1402902
1
2 3