Method new

src/elements/custom_scroll_view.rs:72–168

(widget: &CustomScrollView)

impl CustomScrollViewElement {
    pub fn new(widget: &CustomScrollView) -> Self {
        // assert!(options.rendering.is_some(), "No Rendering given to Canvas, cannot create a canvas without one.");

        let component = WidgetComponent::get(widget.key.id());

        // component.onrender.listen(box |_| {
        //     log::warn!("Got signal to render CustomScrollView");
        // });

        // canvas = self;
        // let scale = widget.scale;

        let mut children = Vec::new();

        let mut child_nodes = Vec::new();
        let mut children_height = 0.0;
        let mut children_height_correct = true;

        for child in widget.slivers.iter() {
            let element = child.create_element();
            let child_nodes = &mut child_nodes;
            if let Some(child) = element.node() {
                // let child_style = LayoutSystem::style(child).unwrap();
                // LayoutSystem::set_style(
                //     child,
                //     style::Style {
                //         align_self: style::AlignSelf::Center,
                //         ..child_style
                //     },
                // )
                // .unwrap();

                // calculate row height
                let child_style = LayoutSystem::style(child).unwrap();
                if let style::Dimension::Points(height) = child_style.size.height {
                    children_height += height;
                } else {
                    #[allow(unused_assignments)]
                    {
                        children_height_correct = false;
                    }
                }

                child_nodes.push(child);
            }

            children.push(element);
        }

        // let height = match widget.main_axis_size {
        //     MainAxisSize::Min => {
        //         // should use calculated sum of childs height
        //         if children_height_correct {
        //             style::Dimension::Points(children_height)
        //         } else {
        //             style::Dimension::Percent(1.0)
        //         }
        //     },