tusistor_core/
model.rs

1use rusistor::Resistor;
2
3#[derive(Debug, Default)]
4pub struct SpecsHistory {
5    history: Vec<(String, String, String)>,
6    idx: Option<usize>,
7}
8
9impl SpecsHistory {
10    pub fn prev(&mut self) {
11        if !self.history.is_empty() {
12            if let Some(idx) = self.idx {
13                self.idx = Some(idx.saturating_sub(1));
14            } else {
15                self.idx = Some(self.history.len() - 1)
16            }
17        }
18    }
19
20    pub fn next(&mut self) {
21        if !self.history.is_empty() {
22            if let Some(idx) = self.idx {
23                self.idx = Some(idx.saturating_add(1).min(self.history.len() - 1));
24            } else {
25                self.idx = None;
26            }
27        }
28    }
29
30    pub fn try_get(&self) -> Option<&(String, String, String)> {
31        if let Some(idx) = self.idx {
32            self.history.get(idx)
33        } else {
34            None
35        }
36    }
37
38    pub fn add(&mut self, specs: (String, String, String)) {
39        match self.history.last() {
40            Some(x) if *x == specs => (),
41            _ => self.history.push(specs),
42        }
43    }
44
45    pub fn clear_idx(&mut self) {
46        self.idx = None;
47    }
48}
49
50#[derive(Debug, Default, PartialEq)]
51pub enum InputFocus {
52    #[default]
53    Resistance,
54    Tolerance,
55    Tcr,
56}
57
58impl InputFocus {
59    pub fn next(&self) -> InputFocus {
60        match self {
61            InputFocus::Resistance => InputFocus::Tolerance,
62            InputFocus::Tolerance => InputFocus::Tcr,
63            InputFocus::Tcr => InputFocus::Resistance,
64        }
65    }
66
67    pub fn prev(&self) -> InputFocus {
68        match self {
69            InputFocus::Resistance => InputFocus::Tcr,
70            InputFocus::Tolerance => InputFocus::Resistance,
71            InputFocus::Tcr => InputFocus::Tolerance,
72        }
73    }
74}
75
76#[derive(Debug, Default, PartialEq)]
77pub enum SelectedTab {
78    #[default]
79    ColorCodesToSpecs,
80    SpecsToColorCodes,
81}
82
83impl SelectedTab {
84    pub fn toggle(&self) -> SelectedTab {
85        match self {
86            SelectedTab::ColorCodesToSpecs => SelectedTab::SpecsToColorCodes,
87            SelectedTab::SpecsToColorCodes => SelectedTab::ColorCodesToSpecs,
88        }
89    }
90}
91
92impl From<&SelectedTab> for Option<usize> {
93    fn from(selected_tab: &SelectedTab) -> Self {
94        match selected_tab {
95            SelectedTab::ColorCodesToSpecs => Some(0),
96            SelectedTab::SpecsToColorCodes => Some(1),
97        }
98    }
99}
100
101#[derive(Debug)]
102pub struct ColorCodesToSpecsModel {
103    pub selected_band: usize,
104    pub resistor: Resistor,
105}
106
107impl Default for ColorCodesToSpecsModel {
108    fn default() -> ColorCodesToSpecsModel {
109        ColorCodesToSpecsModel {
110            selected_band: 0,
111            resistor: Resistor::SixBand {
112                band1: rusistor::Color::Brown,
113                band2: rusistor::Color::Black,
114                band3: rusistor::Color::Black,
115                band4: rusistor::Color::Black,
116                band5: rusistor::Color::Brown,
117                band6: rusistor::Color::Black,
118            },
119        }
120    }
121}
122
123#[derive(Debug, Default, PartialEq)]
124pub struct InputState {
125    pub value: String,
126    pub cursor: usize,
127}
128
129#[derive(Debug, Default)]
130pub struct SpecsToColorModel {
131    pub resistance_input_state: InputState,
132    pub tolerance_input_state: InputState,
133    pub tcr_input_state: InputState,
134    pub focus: InputFocus,
135    pub resistor: Option<Resistor>,
136    pub history: SpecsHistory,
137    pub error: Option<String>,
138}
139
140impl SpecsToColorModel {
141    pub fn add_specs_to_history(&mut self) {
142        let specs = (
143            self.resistance_input_state.value.clone(),
144            self.tolerance_input_state.value.clone(),
145            self.tcr_input_state.value.clone(),
146        );
147        self.history.add(specs);
148    }
149
150    pub fn set_specs_from_history(&mut self) {
151        if let Some((a, b, c)) = self.history.try_get() {
152            self.resistance_input_state = InputState {
153                value: a.to_string(),
154                cursor: a.len(),
155            };
156            self.tolerance_input_state = InputState {
157                value: b.to_string(),
158                cursor: b.len(),
159            };
160            self.tcr_input_state = InputState {
161                value: c.to_string(),
162                cursor: c.len(),
163            };
164        }
165    }
166}
tusistor_core/model.rs

tusistor_core/
model.rs
