If a task is a parent, I would like to make a custom column called noOfResources readOnly.
Similar to
this.gantt.task store.getById(id).readOnly = true
but this would set all the columns to readonly and also disables the ability to delete that task.
For example something like this:
if( this.gantt.taskStore.getById(id).isParent ){
this.gantt.taskStore.getById('id').noOfResources.readOnly = true;
}