Set up the game review page along with #229
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@ -307,11 +307,13 @@ impl<T> Tree<T> {
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//
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// indent represents the indentation that should be applied to all children in this tree. It
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// amounts to the position of the parent node.
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pub fn position(&self, indent: usize, idx: usize) -> (usize, usize) {
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println!("[{}]", idx);
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//
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// When drawing nodes, I don't know how to persist the level of indent.
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pub fn position(&self, idx: usize) -> (usize, usize) {
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let node = &self.nodes[idx];
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match node.parent {
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Some(parent_idx) => {
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let (_parent_row, parent_column) = self.position(parent_idx);
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let parent = &self.nodes[parent_idx];
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let sibling_width = parent
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.children
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@ -319,7 +321,7 @@ impl<T> Tree<T> {
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.take_while(|n| **n != node.id)
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.fold(0, |acc, n| acc + self.width(*n));
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println!("[{}] sibling width {}", idx, sibling_width);
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(node.depth, indent + sibling_width)
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(node.depth, parent_column + sibling_width)
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}
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// Root nodes won't have a parent, so just put them in the first column
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@ -538,13 +540,13 @@ mod test {
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let tree = Tree::from(&game_tree);
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assert_eq!(tree.position(0, 2), (2, 0));
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assert_eq!(tree.position(0, 1), (1, 0));
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assert_eq!(tree.position(0, 0), (0, 0));
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assert_eq!(tree.position(0, 4), (3, 1));
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assert_eq!(tree.position(0, 5), (3, 2));
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assert_eq!(tree.position(0, 6), (1, 3));
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assert_eq!(tree.position(0, 7), (1, 4));
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assert_eq!(tree.position(2), (2, 0));
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assert_eq!(tree.position(1), (1, 0));
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assert_eq!(tree.position(0), (0, 0));
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assert_eq!(tree.position(4), (3, 1));
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assert_eq!(tree.position(5), (3, 2));
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assert_eq!(tree.position(6), (1, 3));
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assert_eq!(tree.position(7), (1, 4));
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}
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#[test]
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@ -77,7 +77,7 @@ impl ReviewTree {
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// the parent? do I need to just make it more intrinsically a part of the position
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// code?
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ctx.set_source_rgb(0.7, 0.7, 0.7);
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let (row, column) = tree.position(0, node.id);
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let (row, column) = tree.position(node.id);
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println!("[{}] {} x {}", node.id, row, column);
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let y = (row as f64) * 20. + 10.;
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let x = (column as f64) * 20. + 10.;
|
||||
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Reference in New Issue