What is the best way to modify the style class and content of text for parent elements in this d3.js tree structure?

This is a follow-up to this question. (Special thanks to Cyril for the assistance!)

There is a slight complication with my issue and I require further assistance. When a user clicks on any text element of a node, I aim for the following actions to take place:

  • For each ancestor of that element in the tree:
    • Append "X" to the text element
    • Remove the style class "class1" from the element
    • Add the style class "class2" to the element
    • Disable the onclick method for that element
  • During this process, all other nodes should remain unaffected.

I have heeded Cyril's advice and included the parent item in the data Object passed into collapse(). This allows me to traverse upwards along the path to the root. However, I am facing difficulty in obtaining the d3.js element for the text as I move through this path. Once I achieve that, performing the aforementioned operations will be relatively straightforward.

Illustrated below is an example of the desired outcome. Upon clicking on Visualizations, both viz and flare should transform into vizX and flareX respectively. Additionally, their style classes should transition from class1 to class2. Subsequent clicks on vizX and flareX texts should not trigger any action. No changes should occur to any other nodes.

How can I accomplish this? I need to access the d3.js drawing elements as I navigate through the tree.

https://i.sstatic.net/XYqXn.png

javascriptangularjsd3.jstree

Answer №1

Ascending from the selected node to its parent root.

To retrieve the DOM element (containing the circle and text) associated with the data, use the following function:

function getNodeElement(data){
  var DOM = d3.selectAll(".node")[0].find(function(node){
    return (d3.select(node).data()[0].name == data);
  })
  return DOM;
}

Now, if you have the data and need to locate the corresponding group,

Simply utilize the function above by calling it as follows:

var result = findNode("physics");//this will provide the DOM containing the physics node.

I trust this information is beneficial!

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