fafo/techtree
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Slightly highlight root elements
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In the dot representation of the techtree, highlight root elements with
a slightly different shade so they are easy to pick out.

This tells people at a glance what topics they can immediately start
working on :)
This commit is contained in:
Rahix 2025-07-28 16:11:50 +02:00
parent 9519414929
commit 22c489f983
1 changed files with 52 additions and 5 deletions
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57
techtree-manager/src/tree.rs
View file

@ -15,8 +15,20 @@ pub struct Element {
pub status: ElementStatus,
}
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum ElementRole {
Root,
Ultimate,
Intermediate,
Disjoint,
}
impl Element {
fn to_dot_node_attributes(&self, role: Option<SubtreeElementRole>) -> String {
fn to_dot_node_attributes(
&self,
role: Option<ElementRole>,
subtree_role: Option<SubtreeElementRole>,
) -> String {
let Element {
issue_number,
description,
@ -31,10 +43,18 @@ impl Element {
));
attributes.push(r#"shape = "record""#.to_owned());
let (color, background) = match (role, status) {
let (color, background) = match (subtree_role, status) {
(Some(SubtreeElementRole::ElementOfInterest), _) => ("black", "white"),
(Some(SubtreeElementRole::Dependant), _) => ("gray", "gray"),
(_, ElementStatus::Missing) => ("#800", "#fcc"),
(_, ElementStatus::Missing) => (
"#800",
// Highlight root elements
if role == Some(ElementRole::Root) {
"#ffddc1"
} else {
"#fcc"
},
),
(_, ElementStatus::Assigned) => ("#a50", "#ffa"),
(_, ElementStatus::Completed) => ("#080", "#afa"),
};
@ -170,7 +190,30 @@ impl Tree {
})
}
pub fn get_element_role(&self, element: ElementIndex) -> ElementRole {
let has_dependencies = self
.graph
.neighbors_directed(element, petgraph::Direction::Outgoing)
.next()
.is_some();
let has_dependants = self
.graph
.neighbors_directed(element, petgraph::Direction::Incoming)
.next()
.is_some();
match (has_dependencies, has_dependants) {
(false, true) => ElementRole::Root,
(true, false) => ElementRole::Ultimate,
(true, true) => ElementRole::Intermediate,
(false, false) => ElementRole::Disjoint,
}
}
pub fn to_dot(&self) -> String {
let to_node_attributes = |_g, (id, element): (ElementIndex, &Element)| {
element.to_dot_node_attributes(Some(self.get_element_role(id)), None)
};
let dot = petgraph::dot::Dot::with_attr_getters(
&self.graph,
&[
@ -180,7 +223,7 @@ impl Tree {
petgraph::dot::Config::GraphContentOnly,
],
&|_g, _edge_id| "".to_string(),
&|_g, (_, element)| element.to_dot_node_attributes(None),
&to_node_attributes,
);
let ultimate_elements: Vec<_> = self
@ -318,7 +361,11 @@ impl<'a> Subtree<'a> {
petgraph::dot::Config::RankDir(petgraph::dot::RankDir::BT),
],
&|_g, _edge_id| "".to_string(),
&|_g, (_, element)| element.element.to_dot_node_attributes(Some(element.role)),
&|_g, (_, element)| {
element
.element
.to_dot_node_attributes(None, Some(element.role))
},
);
format!("{:?}", dot)