Comments (5)
Hi!
I've tried to use a DataTable with DiagonalScrollView and assign maxWidth and maxHeight dynamically, considering the size of the DataTable, but I haven't been able to reproduce the issue.
Could you provide a code example to see how you're trying to do it?
Thanks!
from diagonal_scrollview.
My code look like this, i use setState to set the max height and max width of the DiagonalScrollView but like i said the getChildSize method always return 0 and since onCreated only called once the value is never change to the current size of the DataTable.
return DiagonalScrollView(
enableFling: false,
enableZoom: false,
maxHeight: childHeight,
maxWidth: childWidth,
onCreated: (controller) {
Size childSize = controller.getChildSize();
setState(() {
childHeight = childSize.height;
childWidth = childSize.width;
});
},
child: DataTable(
// content load dynamically
),
);
I've just change my code to this because calling setState during build throw error. But still the result of printing the height and width value resulting in 0.
return DiagonalScrollView(
enableFling: false,
enableZoom: false,
// maxHeight: childHeight,
// maxWidth: childWidth,
onCreated: (controller) {
Size childSize = controller.getChildSize();
print('Height: ${childSize.height}, Width: ${childSize.width}');
},
child: DataTable(
// content load dynamically
),
);
from diagonal_scrollview.
I have published a new version. Now onCreated is called after the Widget has been painted.
You should be able to get the right child size and also setState inside onCreated.
Could you try it?
from diagonal_scrollview.
Thankyou for the update it's working as expected now the getChildSize method return the correct size of the child widget but there's one problem when calling setState inside onCreated.
In my code i wrap DiagonalScrollView with FutureBuilder to get the data i need for the table, so when i called setState it rerender the whole page including the future builder, so now i'm stuck in a loop.
I can maybe fix this issue on my part by implementing different way of handling state but maybe it would be nice if DiagonalScrollView can set it's own max size internally with the size of it's child? like adding a property called setSizeWithChildSize or something and if it's true then we handle the sizing internally.
Let me know what you think.
from diagonal_scrollview.
Glad to hear that the patch works!
The new feature you suggest sounds great, I'll add it soon.
from diagonal_scrollview.
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from diagonal_scrollview.