11316405772

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/src/components/select.rs

//! ## Select
//!
//! `Select` represents a select field, like in HTML. The size for the component must be 3 (border + selected) + the quantity of rows
//! you want to display other options when opened (at least 3)

use tuirealm::command::{Cmd, CmdResult, Direction};
use tuirealm::props::{
    Alignment, AttrValue, Attribute, BorderSides, Borders, Color, PropPayload, PropValue, Props,
    Style, TextModifiers,
};
use tuirealm::ratatui::text::Line as Spans;
use tuirealm::ratatui::{
    layout::{Constraint, Direction as LayoutDirection, Layout, Rect},
    widgets::{Block, List, ListItem, ListState, Paragraph},
};
use tuirealm::{Frame, MockComponent, State, StateValue};

// -- states

/// ## SelectStates
///
/// Component states
#[derive(Default)]
pub struct SelectStates {
    /// Available choices
    pub choices: Vec<String>,
    /// Currently selected choice
    pub selected: usize,
    /// Choice selected before opening the tab
    pub previously_selected: usize,
    pub tab_open: bool,
}

impl SelectStates {
    /// ### next_choice
    ///
    /// Move choice index to next choice
    pub fn next_choice(&mut self, rewind: bool) {
        if self.tab_open {
            if rewind && self.selected + 1 >= self.choices.len() {
                self.selected = 0;
            } else if self.selected + 1 < self.choices.len() {
                self.selected += 1;
            }
        }
    }

    /// ### prev_choice
    ///
    /// Move choice index to previous choice
    pub fn prev_choice(&mut self, rewind: bool) {
        if self.tab_open {
            if rewind && self.selected == 0 && !self.choices.is_empty() {
                self.selected = self.choices.len() - 1;
            } else if self.selected > 0 {
                self.selected -= 1;
            }
        }
    }

    /// ### set_choices
    ///
    /// Set SelectStates choices from a vector of str
    /// In addition resets current selection and keep index if possible or set it to the first value
    /// available
    pub fn set_choices(&mut self, choices: &[String]) {
        self.choices = choices.to_vec();
        // Keep index if possible
        if self.selected >= self.choices.len() {
            self.selected = match self.choices.len() {
                0 => 0,
                l => l - 1,
            };
        }
    }

    pub fn select(&mut self, i: usize) {
        if i < self.choices.len() {
            self.selected = i;
        }
    }

    /// ### close_tab
    ///
    /// Close tab
    pub fn close_tab(&mut self) {
        self.tab_open = false;
    }

    /// ### open_tab
    ///
    /// Open tab
    pub fn open_tab(&mut self) {
        self.previously_selected = self.selected;
        self.tab_open = true;
    }

    /// Cancel tab open
    pub fn cancel_tab(&mut self) {
        self.close_tab();
        self.selected = self.previously_selected;
    }

    /// ### is_tab_open
    ///
    /// Returns whether the tab is open
    pub fn is_tab_open(&self) -> bool {
        self.tab_open
    }
}

// -- component

#[derive(Default)]
pub struct Select {
    props: Props,
    pub states: SelectStates,
    hg_str: Option<String>, // CRAP CRAP CRAP
}

impl Select {
    pub fn foreground(mut self, fg: Color) -> Self {
        self.attr(Attribute::Foreground, AttrValue::Color(fg));
        self
    }

    pub fn background(mut self, bg: Color) -> Self {
        self.attr(Attribute::Background, AttrValue::Color(bg));
        self
    }

    pub fn borders(mut self, b: Borders) -> Self {
        self.attr(Attribute::Borders, AttrValue::Borders(b));
        self
    }

    pub fn title<S: AsRef<str>>(mut self, t: S, a: Alignment) -> Self {
        self.attr(
            Attribute::Title,
            AttrValue::Title((t.as_ref().to_string(), a)),
        );
        self
    }

    pub fn highlighted_str<S: AsRef<str>>(mut self, s: S) -> Self {
        self.attr(
            Attribute::HighlightedStr,
            AttrValue::String(s.as_ref().to_string()),
        );
        self
    }

    pub fn highlighted_color(mut self, c: Color) -> Self {
        self.attr(Attribute::HighlightedColor, AttrValue::Color(c));
        self
    }

    pub fn inactive(mut self, s: Style) -> Self {
        self.attr(Attribute::FocusStyle, AttrValue::Style(s));
        self
    }

    pub fn rewind(mut self, r: bool) -> Self {
        self.attr(Attribute::Rewind, AttrValue::Flag(r));
        self
    }

    pub fn choices<S: AsRef<str>>(mut self, choices: &[S]) -> Self {
        self.attr(
            Attribute::Content,
            AttrValue::Payload(PropPayload::Vec(
                choices
                    .iter()
                    .map(|x| PropValue::Str(x.as_ref().to_string()))
                    .collect(),
            )),
        );
        self
    }

    pub fn value(mut self, i: usize) -> Self {
        // Set state
        self.attr(
            Attribute::Value,
            AttrValue::Payload(PropPayload::One(PropValue::Usize(i))),
        );
        self
    }

    /// ### render_open_tab
    ///
    /// Render component when tab is open
    fn render_open_tab(&mut self, render: &mut Frame, area: Rect) {
        // Make choices
        let choices: Vec<ListItem> = self
            .states
            .choices
            .iter()
            .map(|x| ListItem::new(Spans::from(x.clone())))
            .collect();
        let foreground = self
            .props
            .get_or(Attribute::Foreground, AttrValue::Color(Color::Reset))
            .unwrap_color();
        let background = self
            .props
            .get_or(Attribute::Background, AttrValue::Color(Color::Reset))
            .unwrap_color();
        let hg: Color = self
            .props
            .get_or(Attribute::HighlightedColor, AttrValue::Color(foreground))
            .unwrap_color();
        // Prepare layout
        let chunks = Layout::default()
            .direction(LayoutDirection::Vertical)
            .margin(0)
            .constraints([Constraint::Length(2), Constraint::Min(1)].as_ref())
            .split(area);
        // Render like "closed" tab in chunk 0
        let selected_text: String = match self.states.choices.get(self.states.selected) {
            None => String::default(),
            Some(s) => s.clone(),
        };
        let borders = self
            .props
            .get_or(Attribute::Borders, AttrValue::Borders(Borders::default()))
            .unwrap_borders();
        let block: Block = Block::default()
            .borders(BorderSides::LEFT | BorderSides::TOP | BorderSides::RIGHT)
            .border_style(borders.style())
            .border_type(borders.modifiers)
            .style(Style::default().bg(background));
        let title = self.props.get(Attribute::Title).map(|x| x.unwrap_title());
        let block = match title {
            Some((text, alignment)) => block.title(text).title_alignment(alignment),
            None => block,
        };
        let focus = self
            .props
            .get_or(Attribute::Focus, AttrValue::Flag(false))
            .unwrap_flag();
        let inactive_style = self
            .props
            .get(Attribute::FocusStyle)
            .map(|x| x.unwrap_style());
        let p: Paragraph = Paragraph::new(selected_text)
            .style(match focus {
                true => borders.style(),
                false => inactive_style.unwrap_or_default(),
            })
            .block(block);
        render.render_widget(p, chunks[0]);
        // Render the list of elements in chunks [1]
        // Make list
        let mut list = List::new(choices)
            .block(
                Block::default()
                    .borders(BorderSides::LEFT | BorderSides::BOTTOM | BorderSides::RIGHT)
                    .border_style(match focus {
                        true => borders.style(),
                        false => Style::default(),
                    })
                    .border_type(borders.modifiers)
                    .style(Style::default().bg(background)),
            )
            .direction(tuirealm::ratatui::widgets::ListDirection::TopToBottom)
            .style(Style::default().fg(foreground).bg(background))
            .highlight_style(
                Style::default()
                    .fg(hg)
                    .add_modifier(TextModifiers::REVERSED),
            );
        // Highlighted symbol
        self.hg_str = self
            .props
            .get(Attribute::HighlightedStr)
            .map(|x| x.unwrap_string());
        if let Some(hg_str) = &self.hg_str {
            list = list.highlight_symbol(hg_str);
        }
        let mut state: ListState = ListState::default();
        state.select(Some(self.states.selected));
        render.render_stateful_widget(list, chunks[1], &mut state);
    }

    /// ### render_closed_tab
    ///
    /// Render component when tab is closed
    fn render_closed_tab(&self, render: &mut Frame, area: Rect) {
        let foreground = self
            .props
            .get_or(Attribute::Foreground, AttrValue::Color(Color::Reset))
            .unwrap_color();
        let background = self
            .props
            .get_or(Attribute::Background, AttrValue::Color(Color::Reset))
            .unwrap_color();
        let inactive_style = self
            .props
            .get(Attribute::FocusStyle)
            .map(|x| x.unwrap_style());
        let focus = self
            .props
            .get_or(Attribute::Focus, AttrValue::Flag(false))
            .unwrap_flag();
        let style = match focus {
            true => Style::default().bg(background).fg(foreground),
            false => inactive_style.unwrap_or_default(),
        };
        let borders = self
            .props
            .get_or(Attribute::Borders, AttrValue::Borders(Borders::default()))
            .unwrap_borders();
        let borders_style = match focus {
            true => borders.style(),
            false => inactive_style.unwrap_or_default(),
        };
        let block: Block = Block::default()
            .borders(BorderSides::ALL)
            .border_style(borders_style)
            .border_type(borders.modifiers)
            .style(style);
        let title = self.props.get(Attribute::Title).map(|x| x.unwrap_title());
        let block = match title {
            Some((text, alignment)) => block.title(text).title_alignment(alignment),
            None => block,
        };
        let selected_text: String = match self.states.choices.get(self.states.selected) {
            None => String::default(),
            Some(s) => s.clone(),
        };
        let p: Paragraph = Paragraph::new(selected_text).style(style).block(block);
        render.render_widget(p, area);
    }

    fn rewindable(&self) -> bool {
        self.props
            .get_or(Attribute::Rewind, AttrValue::Flag(false))
            .unwrap_flag()
    }
}

impl MockComponent for Select {
    fn view(&mut self, render: &mut Frame, area: Rect) {
        if self.props.get_or(Attribute::Display, AttrValue::Flag(true)) == AttrValue::Flag(true) {
            match self.states.is_tab_open() {
                true => self.render_open_tab(render, area),
                false => self.render_closed_tab(render, area),
            }
        }
    }

    fn query(&self, attr: Attribute) -> Option<AttrValue> {
        self.props.get(attr)
    }

    fn attr(&mut self, attr: Attribute, value: AttrValue) {
        match attr {
            Attribute::Content => {
                // Reset choices
                let choices: Vec<String> = value
                    .unwrap_payload()
                    .unwrap_vec()
                    .iter()
                    .map(|x| x.clone().unwrap_str())
                    .collect();
                self.states.set_choices(&choices);
            }
            Attribute::Value => {
                self.states
                    .select(value.unwrap_payload().unwrap_one().unwrap_usize());
            }
            Attribute::Focus if self.states.is_tab_open() => {
                if let AttrValue::Flag(false) = value {
                    self.states.cancel_tab();
                }
                self.props.set(attr, value);
            }
            attr => {
                self.props.set(attr, value);
            }
        }
    }

    fn state(&self) -> State {
        if self.states.is_tab_open() {
            State::None
        } else {
            State::One(StateValue::Usize(self.states.selected))
        }
    }

    fn perform(&mut self, cmd: Cmd) -> CmdResult {
        match cmd {
            Cmd::Move(Direction::Down) => {
                // Increment choice
                self.states.next_choice(self.rewindable());
                // Return CmdResult On Change or None if tab is closed
                match self.states.is_tab_open() {
                    false => CmdResult::None,
                    true => CmdResult::Changed(State::One(StateValue::Usize(self.states.selected))),
                }
            }
            Cmd::Move(Direction::Up) => {
                // Increment choice
                self.states.prev_choice(self.rewindable());
                // Return CmdResult On Change or None if tab is closed
                match self.states.is_tab_open() {
                    false => CmdResult::None,
                    true => CmdResult::Changed(State::One(StateValue::Usize(self.states.selected))),
                }
            }
            Cmd::Cancel => {
                self.states.cancel_tab();
                CmdResult::Changed(self.state())
            }
            Cmd::Submit => {
                // Open or close tab
                if self.states.is_tab_open() {
                    self.states.close_tab();
                    CmdResult::Submit(self.state())
                } else {
                    self.states.open_tab();
                    CmdResult::None
                }
            }
            _ => CmdResult::None,
        }
    }
}

#[cfg(test)]
mod test {

    use super::*;

    use pretty_assertions::assert_eq;

    use tuirealm::props::{PropPayload, PropValue};

    #[test]
    fn test_components_select_states() {
        let mut states: SelectStates = SelectStates::default();
        assert_eq!(states.selected, 0);
        assert_eq!(states.choices.len(), 0);
        assert_eq!(states.tab_open, false);
        let choices: &[String] = &[
            "lemon".to_string(),
            "strawberry".to_string(),
            "vanilla".to_string(),
            "chocolate".to_string(),
        ];
        states.set_choices(&choices);
        assert_eq!(states.selected, 0);
        assert_eq!(states.choices.len(), 4);
        // Move
        states.prev_choice(false);
        assert_eq!(states.selected, 0);
        states.next_choice(false);
        // Tab is closed!!!
        assert_eq!(states.selected, 0);
        states.open_tab();
        assert_eq!(states.is_tab_open(), true);
        // Now we can move
        states.next_choice(false);
        assert_eq!(states.selected, 1);
        states.next_choice(false);
        assert_eq!(states.selected, 2);
        // Forward overflow
        states.next_choice(false);
        states.next_choice(false);
        assert_eq!(states.selected, 3);
        states.prev_choice(false);
        assert_eq!(states.selected, 2);
        // Close tab
        states.close_tab();
        assert_eq!(states.is_tab_open(), false);
        states.prev_choice(false);
        assert_eq!(states.selected, 2);
        // Update
        let choices: &[String] = &["lemon".to_string(), "strawberry".to_string()];
        states.set_choices(&choices);
        assert_eq!(states.selected, 1); // Move to first index available
        assert_eq!(states.choices.len(), 2);
        let choices = vec![];
        states.set_choices(&choices);
        assert_eq!(states.selected, 0); // Move to first index available
        assert_eq!(states.choices.len(), 0);
        // Rewind
        let choices: &[String] = &[
            "lemon".to_string(),
            "strawberry".to_string(),
            "vanilla".to_string(),
            "chocolate".to_string(),
        ];
        states.set_choices(choices);
        states.open_tab();
        assert_eq!(states.selected, 0);
        states.prev_choice(true);
        assert_eq!(states.selected, 3);
        states.next_choice(true);
        assert_eq!(states.selected, 0);
        states.next_choice(true);
        assert_eq!(states.selected, 1);
        states.prev_choice(true);
        assert_eq!(states.selected, 0);
        // Cancel tab
        states.close_tab();
        states.select(2);
        states.open_tab();
        states.prev_choice(true);
        states.prev_choice(true);
        assert_eq!(states.selected, 0);
        states.cancel_tab();
        assert_eq!(states.selected, 2);
        assert_eq!(states.is_tab_open(), false);
    }

    #[test]
    fn test_components_select() {
        // Make component
        let mut component = Select::default()
            .foreground(Color::Red)
            .background(Color::Black)
            .borders(Borders::default())
            .highlighted_color(Color::Red)
            .highlighted_str(">>")
            .title("C'est oui ou bien c'est non?", Alignment::Center)
            .choices(&["Oui!", "Non", "Peut-être"])
            .value(1)
            .rewind(false);
        assert_eq!(component.states.is_tab_open(), false);
        component.states.open_tab();
        assert_eq!(component.states.is_tab_open(), true);
        component.states.close_tab();
        assert_eq!(component.states.is_tab_open(), false);
        // Update
        component.attr(
            Attribute::Value,
            AttrValue::Payload(PropPayload::One(PropValue::Usize(2))),
        );
        // Get value
        assert_eq!(component.state(), State::One(StateValue::Usize(2)));
        // Open tab
        component.states.open_tab();
        // Events
        // Move cursor
        assert_eq!(
            component.perform(Cmd::Move(Direction::Up)),
            CmdResult::Changed(State::One(StateValue::Usize(1))),
        );
        assert_eq!(
            component.perform(Cmd::Move(Direction::Up)),
            CmdResult::Changed(State::One(StateValue::Usize(0))),
        );
        // Upper boundary
        assert_eq!(
            component.perform(Cmd::Move(Direction::Up)),
            CmdResult::Changed(State::One(StateValue::Usize(0))),
        );
        // Move down
        assert_eq!(
            component.perform(Cmd::Move(Direction::Down)),
            CmdResult::Changed(State::One(StateValue::Usize(1))),
        );
        assert_eq!(
            component.perform(Cmd::Move(Direction::Down)),
            CmdResult::Changed(State::One(StateValue::Usize(2))),
        );
        // Lower boundary
        assert_eq!(
            component.perform(Cmd::Move(Direction::Down)),
            CmdResult::Changed(State::One(StateValue::Usize(2))),
        );
        // Press enter
        assert_eq!(
            component.perform(Cmd::Submit),
            CmdResult::Submit(State::One(StateValue::Usize(2))),
        );
        // Tab should be closed
        assert_eq!(component.states.is_tab_open(), false);
        // Re open
        assert_eq!(component.perform(Cmd::Submit), CmdResult::None);
        assert_eq!(component.states.is_tab_open(), true);
        // Move arrows
        assert_eq!(
            component.perform(Cmd::Submit),
            CmdResult::Submit(State::One(StateValue::Usize(2))),
        );
        assert_eq!(component.states.is_tab_open(), false);
        assert_eq!(
            component.perform(Cmd::Move(Direction::Down)),
            CmdResult::None
        );
        assert_eq!(component.perform(Cmd::Move(Direction::Up)), CmdResult::None);
    }
}

1	//! ## Select
2	//!
3	//! `Select` represents a select field, like in HTML. The size for the component must be 3 (border + selected) + the quantity of rows
4	//! you want to display other options when opened (at least 3)
5
6	use tuirealm::command::{Cmd, CmdResult, Direction};
7	use tuirealm::props::{
8	Alignment, AttrValue, Attribute, BorderSides, Borders, Color, PropPayload, PropValue, Props,
9	Style, TextModifiers,
10	};
11	use tuirealm::ratatui::text::Line as Spans;
12	use tuirealm::ratatui::{
13	layout::{Constraint, Direction as LayoutDirection, Layout, Rect},
14	widgets::{Block, List, ListItem, ListState, Paragraph},
15	};
16	use tuirealm::{Frame, MockComponent, State, StateValue};
17
18	// -- states
19
20	/// ## SelectStates
21	///
22	/// Component states
23	#[derive(Default)]	4✔
24	pub struct SelectStates {
25	/// Available choices
26	pub choices: Vec<String>,	2✔
27	/// Currently selected choice
28	pub selected: usize,	2✔
29	/// Choice selected before opening the tab
30	pub previously_selected: usize,	2✔
31	pub tab_open: bool,	2✔
32	}
33
34	impl SelectStates {
35	/// ### next_choice
36	///
37	/// Move choice index to next choice
38	pub fn next_choice(&mut self, rewind: bool) {	11✔
39	if self.tab_open {	11✔
40	if rewind && self.selected + 1 >= self.choices.len() {	9✔
41	self.selected = 0;	1✔
42	} else if self.selected + 1 < self.choices.len() {	8✔
43	self.selected += 1;	6✔
44	}
45	}
46	}	11✔
47
48	/// ### prev_choice
49	///
50	/// Move choice index to previous choice
51	pub fn prev_choice(&mut self, rewind: bool) {	11✔
52	if self.tab_open {	11✔
53	if rewind && self.selected == 0 && !self.choices.is_empty() {	8✔
54	self.selected = self.choices.len() - 1;	1✔
55	} else if self.selected > 0 {	7✔
56	self.selected -= 1;	6✔
57	}
58	}
59	}	11✔
60
61	/// ### set_choices
62	///
63	/// Set SelectStates choices from a vector of str
64	/// In addition resets current selection and keep index if possible or set it to the first value
65	/// available
66	pub fn set_choices(&mut self, choices: &[String]) {	5✔
67	self.choices = choices.to_vec();	5✔
68	// Keep index if possible
69	if self.selected >= self.choices.len() {	7✔
70	self.selected = match self.choices.len() {	4✔
71	0 => 0,	1✔
72	l => l - 1,	1✔
73	};
74	}
75	}	5✔
76
77	pub fn select(&mut self, i: usize) {	3✔
78	if i < self.choices.len() {	3✔
79	self.selected = i;	3✔
80	}
81	}	3✔
82
83	/// ### close_tab
84	///
85	/// Close tab
86	pub fn close_tab(&mut self) {	6✔
87	self.tab_open = false;	6✔
88	}	6✔
89
90	/// ### open_tab
91	///
92	/// Open tab
93	pub fn open_tab(&mut self) {	6✔
94	self.previously_selected = self.selected;	6✔
95	self.tab_open = true;	6✔
96	}	6✔
97
98	/// Cancel tab open
99	pub fn cancel_tab(&mut self) {	1✔
100	self.close_tab();	1✔
101	self.selected = self.previously_selected;	1✔
102	}	1✔
103
104	/// ### is_tab_open
105	///
106	/// Returns whether the tab is open
107	pub fn is_tab_open(&self) -> bool {	23✔
108	self.tab_open	23✔
109	}	23✔
110	}
111
112	// -- component
113
114	#[derive(Default)]	2✔
115	pub struct Select {
116	props: Props,	1✔
117	pub states: SelectStates,	1✔
118	hg_str: Option<String>, // CRAP CRAP CRAP	1✔
119	}
120
121	impl Select {
122	pub fn foreground(mut self, fg: Color) -> Self {	1✔
123	self.attr(Attribute::Foreground, AttrValue::Color(fg));	1✔
124	self	1✔
125	}	1✔
126
127	pub fn background(mut self, bg: Color) -> Self {	1✔
128	self.attr(Attribute::Background, AttrValue::Color(bg));	1✔
129	self	1✔
130	}	1✔
131
132	pub fn borders(mut self, b: Borders) -> Self {	1✔
133	self.attr(Attribute::Borders, AttrValue::Borders(b));	1✔
134	self	1✔
135	}	1✔
136
137	pub fn title<S: AsRef<str>>(mut self, t: S, a: Alignment) -> Self {	1✔
138	self.attr(	1✔
139	Attribute::Title,	1✔
140	AttrValue::Title((t.as_ref().to_string(), a)),	1✔
141	);
142	self	1✔
143	}	1✔
144
145	pub fn highlighted_str<S: AsRef<str>>(mut self, s: S) -> Self {	1✔
146	self.attr(	1✔
147	Attribute::HighlightedStr,	1✔
148	AttrValue::String(s.as_ref().to_string()),	1✔
149	);
150	self	1✔
151	}	1✔
152
153	pub fn highlighted_color(mut self, c: Color) -> Self {	1✔
154	self.attr(Attribute::HighlightedColor, AttrValue::Color(c));	1✔
155	self	1✔
156	}	1✔
157
158	pub fn inactive(mut self, s: Style) -> Self {	×
159	self.attr(Attribute::FocusStyle, AttrValue::Style(s));	×
160	self	×
161	}	×
162
163	pub fn rewind(mut self, r: bool) -> Self {	1✔
164	self.attr(Attribute::Rewind, AttrValue::Flag(r));	1✔
165	self	1✔
166	}	1✔
167
168	pub fn choices<S: AsRef<str>>(mut self, choices: &[S]) -> Self {	1✔
169	self.attr(	1✔
170	Attribute::Content,	1✔
171	AttrValue::Payload(PropPayload::Vec(	1✔
172	choices	1✔
173	.iter()
174	.map(\|x\| PropValue::Str(x.as_ref().to_string()))	3✔
175	.collect(),
176	)),
177	);
178	self	1✔
179	}	1✔
180
181	pub fn value(mut self, i: usize) -> Self {	1✔
182	// Set state
183	self.attr(	1✔
184	Attribute::Value,	1✔
185	AttrValue::Payload(PropPayload::One(PropValue::Usize(i))),	1✔
186	);
187	self	1✔
188	}	1✔
189
190	/// ### render_open_tab
191	///
192	/// Render component when tab is open
193	fn render_open_tab(&mut self, render: &mut Frame, area: Rect) {	×
194	// Make choices
195	let choices: Vec<ListItem> = self	×
196	.states
197	.choices
198	.iter()
199	.map(\|x\| ListItem::new(Spans::from(x.clone())))	×
200	.collect();
201	let foreground = self	×
202	.props
203	.get_or(Attribute::Foreground, AttrValue::Color(Color::Reset))	×
204	.unwrap_color();
205	let background = self	×
206	.props
207	.get_or(Attribute::Background, AttrValue::Color(Color::Reset))	×
208	.unwrap_color();
209	let hg: Color = self	×
210	.props
211	.get_or(Attribute::HighlightedColor, AttrValue::Color(foreground))	×
212	.unwrap_color();
213	// Prepare layout
214	let chunks = Layout::default()	×
215	.direction(LayoutDirection::Vertical)	×
216	.margin(0)
217	.constraints([Constraint::Length(2), Constraint::Min(1)].as_ref())	×
218	.split(area);	×
219	// Render like "closed" tab in chunk 0
220	let selected_text: String = match self.states.choices.get(self.states.selected) {	×
221	None => String::default(),	×
222	Some(s) => s.clone(),	×
223	};
224	let borders = self	×
225	.props
226	.get_or(Attribute::Borders, AttrValue::Borders(Borders::default()))	×
227	.unwrap_borders();
228	let block: Block = Block::default()	×
229	.borders(BorderSides::LEFT \| BorderSides::TOP \| BorderSides::RIGHT)	×
230	.border_style(borders.style())	×
231	.border_type(borders.modifiers)	×
232	.style(Style::default().bg(background));	×
233	let title = self.props.get(Attribute::Title).map(\|x\| x.unwrap_title());	×
234	let block = match title {	×
235	Some((text, alignment)) => block.title(text).title_alignment(alignment),	×
236	None => block,	×
237	};
238	let focus = self	×
239	.props
240	.get_or(Attribute::Focus, AttrValue::Flag(false))	×
241	.unwrap_flag();
242	let inactive_style = self	×
243	.props
244	.get(Attribute::FocusStyle)	×
245	.map(\|x\| x.unwrap_style());	×
246	let p: Paragraph = Paragraph::new(selected_text)	×
247	.style(match focus {	×
248	true => borders.style(),	×
249	false => inactive_style.unwrap_or_default(),	×
250	})
251	.block(block);	×
252	render.render_widget(p, chunks[0]);	×
253	// Render the list of elements in chunks [1]
254	// Make list
UNCOV 255	let mut list = List::new(choices)	×
256	.block(
UNCOV 257	Block::default()	×
UNCOV 258	.borders(BorderSides::LEFT \| BorderSides::BOTTOM \| BorderSides::RIGHT)	×
UNCOV 259	.border_style(match focus {	×
UNCOV 260	true => borders.style(),	×
UNCOV 261	false => Style::default(),	×
262	})
UNCOV 263	.border_type(borders.modifiers)	×
UNCOV 264	.style(Style::default().bg(background)),	×
265	)
NEW 266	.direction(tuirealm::ratatui::widgets::ListDirection::TopToBottom)	×
UNCOV 267	.style(Style::default().fg(foreground).bg(background))	×
268	.highlight_style(
269	Style::default()	×
270	.fg(hg)
271	.add_modifier(TextModifiers::REVERSED),
272	);
273	// Highlighted symbol
274	self.hg_str = self	×
275	.props
276	.get(Attribute::HighlightedStr)	×
277	.map(\|x\| x.unwrap_string());	×
278	if let Some(hg_str) = &self.hg_str {	×
279	list = list.highlight_symbol(hg_str);	×
280	}
281	let mut state: ListState = ListState::default();	×
282	state.select(Some(self.states.selected));	×
283	render.render_stateful_widget(list, chunks[1], &mut state);	×
284	}	×
285
286	/// ### render_closed_tab
287	///
288	/// Render component when tab is closed
289	fn render_closed_tab(&self, render: &mut Frame, area: Rect) {	×
290	let foreground = self	×
291	.props
292	.get_or(Attribute::Foreground, AttrValue::Color(Color::Reset))	×
293	.unwrap_color();
294	let background = self	×
295	.props
296	.get_or(Attribute::Background, AttrValue::Color(Color::Reset))	×
297	.unwrap_color();
298	let inactive_style = self	×
299	.props
300	.get(Attribute::FocusStyle)	×
301	.map(\|x\| x.unwrap_style());	×
302	let focus = self	×
303	.props
304	.get_or(Attribute::Focus, AttrValue::Flag(false))	×
305	.unwrap_flag();
306	let style = match focus {	×
307	true => Style::default().bg(background).fg(foreground),	×
308	false => inactive_style.unwrap_or_default(),	×
309	};
310	let borders = self	×
311	.props
312	.get_or(Attribute::Borders, AttrValue::Borders(Borders::default()))	×
313	.unwrap_borders();
314	let borders_style = match focus {	×
315	true => borders.style(),	×
316	false => inactive_style.unwrap_or_default(),	×
317	};
318	let block: Block = Block::default()	×
319	.borders(BorderSides::ALL)
320	.border_style(borders_style)	×
321	.border_type(borders.modifiers)	×
322	.style(style);	×
323	let title = self.props.get(Attribute::Title).map(\|x\| x.unwrap_title());	×
324	let block = match title {	×
325	Some((text, alignment)) => block.title(text).title_alignment(alignment),	×
326	None => block,	×
327	};
328	let selected_text: String = match self.states.choices.get(self.states.selected) {	×
329	None => String::default(),	×
330	Some(s) => s.clone(),	×
331	};
332	let p: Paragraph = Paragraph::new(selected_text).style(style).block(block);	×
333	render.render_widget(p, area);	×
334	}	×
335
336	fn rewindable(&self) -> bool {	8✔
337	self.props	16✔
338	.get_or(Attribute::Rewind, AttrValue::Flag(false))	8✔
339	.unwrap_flag()
340	}	8✔
341	}
342
343	impl MockComponent for Select {
344	fn view(&mut self, render: &mut Frame, area: Rect) {	×
345	if self.props.get_or(Attribute::Display, AttrValue::Flag(true)) == AttrValue::Flag(true) {	×
346	match self.states.is_tab_open() {	×
347	true => self.render_open_tab(render, area),	×
348	false => self.render_closed_tab(render, area),	×
349	}
350	}
351	}	×
352
353	fn query(&self, attr: Attribute) -> Option<AttrValue> {	×
354	self.props.get(attr)	×
355	}	×
356
357	fn attr(&mut self, attr: Attribute, value: AttrValue) {	10✔
358	match attr {	10✔
359	Attribute::Content => {
360	// Reset choices
361	let choices: Vec<String> = value	1✔
362	.unwrap_payload()
363	.unwrap_vec()
364	.iter()
365	.map(\|x\| x.clone().unwrap_str())	3✔
366	.collect();	1✔
367	self.states.set_choices(&choices);	1✔
368	}	1✔
369	Attribute::Value => {
370	self.states	2✔
371	.select(value.unwrap_payload().unwrap_one().unwrap_usize());	2✔
372	}
373	Attribute::Focus if self.states.is_tab_open() => {	×
374	if let AttrValue::Flag(false) = value {	×
375	self.states.cancel_tab();	×
376	}
377	self.props.set(attr, value);	×
378	}
379	attr => {
380	self.props.set(attr, value);	7✔
381	}
382	}
383	}	10✔
384
385	fn state(&self) -> State {	3✔
386	if self.states.is_tab_open() {	3✔
387	State::None	×
388	} else {
389	State::One(StateValue::Usize(self.states.selected))	3✔
390	}
391	}	3✔
392
393	fn perform(&mut self, cmd: Cmd) -> CmdResult {	11✔
394	match cmd {	11✔
395	Cmd::Move(Direction::Down) => {
396	// Increment choice
397	self.states.next_choice(self.rewindable());	4✔
398	// Return CmdResult On Change or None if tab is closed
399	match self.states.is_tab_open() {	4✔
400	false => CmdResult::None,	1✔
401	true => CmdResult::Changed(State::One(StateValue::Usize(self.states.selected))),	3✔
402	}
403	}
404	Cmd::Move(Direction::Up) => {
405	// Increment choice
406	self.states.prev_choice(self.rewindable());	4✔
407	// Return CmdResult On Change or None if tab is closed
408	match self.states.is_tab_open() {	4✔
409	false => CmdResult::None,	1✔
410	true => CmdResult::Changed(State::One(StateValue::Usize(self.states.selected))),	3✔
411	}
412	}
413	Cmd::Cancel => {
414	self.states.cancel_tab();	×
415	CmdResult::Changed(self.state())	×
416	}
417	Cmd::Submit => {
418	// Open or close tab
419	if self.states.is_tab_open() {	3✔
420	self.states.close_tab();	2✔
421	CmdResult::Submit(self.state())	2✔
422	} else {
423	self.states.open_tab();	1✔
424	CmdResult::None	1✔
425	}
426	}
427	_ => CmdResult::None,	×
428	}
429	}	11✔
430	}
431
432	#[cfg(test)]
433	mod test {
434
435	use super::*;
436
437	use pretty_assertions::assert_eq;
438
439	use tuirealm::props::{PropPayload, PropValue};
440
441	#[test]
442	fn test_components_select_states() {	2✔
443	let mut states: SelectStates = SelectStates::default();	1✔
444	assert_eq!(states.selected, 0);	1✔
445	assert_eq!(states.choices.len(), 0);	1✔
446	assert_eq!(states.tab_open, false);	1✔
447	let choices: &[String] = &[	1✔
448	"lemon".to_string(),	1✔
449	"strawberry".to_string(),	1✔
450	"vanilla".to_string(),	1✔
451	"chocolate".to_string(),	1✔
452	];
453	states.set_choices(&choices);	1✔
454	assert_eq!(states.selected, 0);	1✔
455	assert_eq!(states.choices.len(), 4);	1✔
456	// Move
457	states.prev_choice(false);	1✔
458	assert_eq!(states.selected, 0);	1✔
459	states.next_choice(false);	1✔
460	// Tab is closed!!!
461	assert_eq!(states.selected, 0);	1✔
462	states.open_tab();	1✔
463	assert_eq!(states.is_tab_open(), true);	1✔
464	// Now we can move
465	states.next_choice(false);	1✔
466	assert_eq!(states.selected, 1);	1✔
467	states.next_choice(false);	1✔
468	assert_eq!(states.selected, 2);	1✔
469	// Forward overflow
470	states.next_choice(false);	1✔
471	states.next_choice(false);	1✔
472	assert_eq!(states.selected, 3);	1✔
473	states.prev_choice(false);	1✔
474	assert_eq!(states.selected, 2);	1✔
475	// Close tab
476	states.close_tab();	1✔
477	assert_eq!(states.is_tab_open(), false);	1✔
478	states.prev_choice(false);	1✔
479	assert_eq!(states.selected, 2);	1✔
480	// Update
481	let choices: &[String] = &["lemon".to_string(), "strawberry".to_string()];	1✔
482	states.set_choices(&choices);	1✔
483	assert_eq!(states.selected, 1); // Move to first index available	1✔
484	assert_eq!(states.choices.len(), 2);	1✔
485	let choices = vec![];	1✔
486	states.set_choices(&choices);	1✔
487	assert_eq!(states.selected, 0); // Move to first index available	1✔
488	assert_eq!(states.choices.len(), 0);	1✔
489	// Rewind
490	let choices: &[String] = &[	1✔
491	"lemon".to_string(),	1✔
492	"strawberry".to_string(),	1✔
493	"vanilla".to_string(),	1✔
494	"chocolate".to_string(),	1✔
495	];
496	states.set_choices(choices);	1✔
497	states.open_tab();	1✔
498	assert_eq!(states.selected, 0);	1✔
499	states.prev_choice(true);	1✔
500	assert_eq!(states.selected, 3);	1✔
501	states.next_choice(true);	1✔
502	assert_eq!(states.selected, 0);	1✔
503	states.next_choice(true);	1✔
504	assert_eq!(states.selected, 1);	1✔
505	states.prev_choice(true);	1✔
506	assert_eq!(states.selected, 0);	1✔
507	// Cancel tab
508	states.close_tab();	1✔
509	states.select(2);	1✔
510	states.open_tab();	1✔
511	states.prev_choice(true);	1✔
512	states.prev_choice(true);	1✔
513	assert_eq!(states.selected, 0);	1✔
514	states.cancel_tab();	1✔
515	assert_eq!(states.selected, 2);	1✔
516	assert_eq!(states.is_tab_open(), false);	1✔
517	}	2✔
518
519	#[test]
520	fn test_components_select() {	2✔
521	// Make component
522	let mut component = Select::default()	6✔
523	.foreground(Color::Red)	1✔
524	.background(Color::Black)	1✔
525	.borders(Borders::default())	1✔
526	.highlighted_color(Color::Red)	1✔
527	.highlighted_str(">>")
528	.title("C'est oui ou bien c'est non?", Alignment::Center)	1✔
529	.choices(&["Oui!", "Non", "Peut-être"])
530	.value(1)
531	.rewind(false);
532	assert_eq!(component.states.is_tab_open(), false);	1✔
533	component.states.open_tab();	1✔
534	assert_eq!(component.states.is_tab_open(), true);	1✔
535	component.states.close_tab();	1✔
536	assert_eq!(component.states.is_tab_open(), false);	1✔
537	// Update
538	component.attr(	1✔
539	Attribute::Value,	1✔
540	AttrValue::Payload(PropPayload::One(PropValue::Usize(2))),	1✔
541	);
542	// Get value
543	assert_eq!(component.state(), State::One(StateValue::Usize(2)));	1✔
544	// Open tab
545	component.states.open_tab();	1✔
546	// Events
547	// Move cursor
548	assert_eq!(	1✔
549	component.perform(Cmd::Move(Direction::Up)),	1✔
550	CmdResult::Changed(State::One(StateValue::Usize(1))),
551	);
552	assert_eq!(	1✔
553	component.perform(Cmd::Move(Direction::Up)),	1✔
554	CmdResult::Changed(State::One(StateValue::Usize(0))),
555	);
556	// Upper boundary
557	assert_eq!(	1✔
558	component.perform(Cmd::Move(Direction::Up)),	1✔
559	CmdResult::Changed(State::One(StateValue::Usize(0))),
560	);
561	// Move down
562	assert_eq!(	1✔
563	component.perform(Cmd::Move(Direction::Down)),	1✔
564	CmdResult::Changed(State::One(StateValue::Usize(1))),
565	);
566	assert_eq!(	1✔
567	component.perform(Cmd::Move(Direction::Down)),	1✔
568	CmdResult::Changed(State::One(StateValue::Usize(2))),
569	);
570	// Lower boundary
571	assert_eq!(	1✔
572	component.perform(Cmd::Move(Direction::Down)),	1✔
573	CmdResult::Changed(State::One(StateValue::Usize(2))),
574	);
575	// Press enter
576	assert_eq!(	1✔
577	component.perform(Cmd::Submit),	1✔
578	CmdResult::Submit(State::One(StateValue::Usize(2))),
579	);
580	// Tab should be closed
581	assert_eq!(component.states.is_tab_open(), false);	1✔
582	// Re open
583	assert_eq!(component.perform(Cmd::Submit), CmdResult::None);	1✔
584	assert_eq!(component.states.is_tab_open(), true);	1✔
585	// Move arrows
586	assert_eq!(	1✔
587	component.perform(Cmd::Submit),	1✔
588	CmdResult::Submit(State::One(StateValue::Usize(2))),
589	);
590	assert_eq!(component.states.is_tab_open(), false);	1✔
591	assert_eq!(	1✔
592	component.perform(Cmd::Move(Direction::Down)),	1✔
593	CmdResult::None
594	);
595	assert_eq!(component.perform(Cmd::Move(Direction::Up)), CmdResult::None);	1✔
596	}	2✔
597	}

veeso / tui-realm-stdlib / 11316405772

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