srb_gui 0.1.0

GUI for the Space Robotics Bench
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128

use crate::gui_catalog::{GuiCatalog, GuiCatalogTask, GuiCatalogTaskError};
use crate::gui_selection::{
    GuiSelection, GuiSelectionInitializationError, GuiTaskSelectionOutcome,
};

#[derive(Clone, Debug, Default)]
pub struct GuiTaskBrowser {
    pub selection: GuiSelection,
    pub filters: GuiTaskBrowserFilters,
}

#[derive(Clone, Debug, Default, Eq, PartialEq)]
pub struct GuiTaskBrowserFilters {
    pub query: String,
    pub category: Option<String>,
}

#[derive(Clone, Debug, Default, Eq, PartialEq)]
pub struct GuiTaskFilterChoices {
    pub categories: Vec<String>,
}

impl GuiTaskBrowser {
    pub fn from_catalog_result<E: Clone>(
        gui_catalog: &Result<GuiCatalog, E>,
    ) -> Result<Self, GuiSelectionInitializationError<E>> {
        Ok(Self {
            selection: GuiSelection::from_catalog_result(gui_catalog)?,
            filters: GuiTaskBrowserFilters::default(),
        })
    }

    pub(crate) fn neutral_initialization_fallback() -> Self {
        Self {
            selection: GuiSelection::neutral_initialization_fallback(),
            filters: GuiTaskBrowserFilters::default(),
        }
    }

    pub fn filter_active(&self) -> bool {
        self.filters.filter_active()
    }

    pub fn clear_filters(&mut self) {
        self.filters.clear();
    }

    pub fn filtered_tasks(&self, catalog: &GuiCatalog) -> Vec<GuiCatalogTask> {
        let query = self.filters.query.trim().to_lowercase();
        let mut tasks: Vec<GuiCatalogTask> = catalog
            .tasks
            .iter()
            .filter(|task| self.matches_task_filters(task, &query))
            .cloned()
            .collect();
        tasks.sort_by(|left, right| {
            left.rank
                .cmp(&right.rank)
                .then_with(|| left.display_name.cmp(&right.display_name))
        });
        tasks
    }

    pub fn filter_choices(&self, catalog: &GuiCatalog) -> GuiTaskFilterChoices {
        GuiTaskFilterChoices {
            categories: catalog.categories(),
        }
    }

    pub fn primary_task<'a>(&self, catalog: &'a GuiCatalog) -> Option<&'a GuiCatalogTask> {
        self.selected_task(catalog)
            .or_else(|| catalog.default_task())
    }

    pub fn selected_task<'a>(&self, catalog: &'a GuiCatalog) -> Option<&'a GuiCatalogTask> {
        self.task_by_id(catalog, &self.selection.task_config().task)
    }

    pub fn task_by_id<'a>(
        &self,
        catalog: &'a GuiCatalog,
        task_id: &str,
    ) -> Option<&'a GuiCatalogTask> {
        catalog.tasks.iter().find(|task| task.id == task_id)
    }

    pub fn apply_task(
        &mut self,
        task: &GuiCatalogTask,
    ) -> Result<GuiTaskSelectionOutcome, GuiCatalogTaskError> {
        self.selection.select_task_from_catalog(task)
    }

    pub fn select_task(
        &mut self,
        catalog_task: Option<&GuiCatalogTask>,
        task_id: &str,
    ) -> Result<GuiTaskSelectionOutcome, GuiCatalogTaskError> {
        self.selection.select_task(catalog_task, task_id)
    }

    fn matches_task_filters(&self, task: &GuiCatalogTask, query: &str) -> bool {
        self.matches_query(task, query)
            && self
                .filters
                .category
                .as_ref()
                .is_none_or(|category| task.category.trim() == category.trim())
    }

    fn matches_query(&self, task: &GuiCatalogTask, query: &str) -> bool {
        query.is_empty()
            || task.display_name.to_lowercase().contains(query)
            || task.id.to_lowercase().contains(query)
            || task.tagline.to_lowercase().contains(query)
    }
}

impl GuiTaskBrowserFilters {
    fn filter_active(&self) -> bool {
        !self.query.trim().is_empty() || self.category.is_some()
    }

    fn clear(&mut self) {
        self.query.clear();
        self.category = None;
    }
}