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26 lines
656 B
Rust
26 lines
656 B
Rust
use crate::{item::DatabaseTreeItem, treeitems_iter::TreeItemsIterator};
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pub struct TreeIterator<'a> {
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item_iter: TreeItemsIterator<'a>,
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selection: Option<usize>,
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}
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impl<'a> TreeIterator<'a> {
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pub const fn new(item_iter: TreeItemsIterator<'a>, selection: Option<usize>) -> Self {
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Self {
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item_iter,
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selection,
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}
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}
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}
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impl<'a> Iterator for TreeIterator<'a> {
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type Item = (&'a DatabaseTreeItem, bool);
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fn next(&mut self) -> Option<Self::Item> {
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self.item_iter
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.next()
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.map(|(index, item)| (item, self.selection.map(|i| i == index).unwrap_or_default()))
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}
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}
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