How to get item object from it's child object?

GoJS
#1

I’d like to get item object from it’s child object when user click child object.
For example:

itemTemplate:
$(go.Panel, "Auto",
  $(go.Shape, "Rectangle"),
  $(go.Panel, "Auto",
    {
       click: function(e, obj){
          // How to get item object from obj?
          //obj.part returns node, not item object
        }
    }
 )
)

Or how to get item index from it’s child object in the item template?
Regards

#2

The second argument to the click event handler will be the object on which the event was defined. So in your case:

  • obj will be the nested Panel
  • obj.panel will be its container, the item panel
  • obj.panel.data will be the item value, from the Array
  • obj.panel.panel.itemArray will be that Array

There’s an undocumented method to find the container Panel whose Panel.data is the data to which the panel is bound: GraphObject.findTemplateBinder.