Comments (3)
Hello!
¹ Maybe Iterable.map method is the way to go? Something like the following:
final items = data.map<TreeViewItem>((e) {
return TreeViewItem(
...,
);
}).toList();
² You can also try lazy loading items using the lazy
property
Flutter does not contain a 'id' or 'class' property and ‘queryselector’ like method to find the specific widget .
you can make use of key
s as the id for the item.
If the above can not help, could you explain in detail the issue?
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The Widget structure of "items" in TreeView is nested while the data structure is plain.So map method is not the way to go .
This is a directory tree data .So TreeViewSelectionMode.multiple is necessary and I have to load all the data together ,lazy loading is not a way either.
So which method can i find a specific widget with a key?
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solved
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