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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,264 @@ | ||
| use super::{ | ||
| visibility_blocking, CommandBlocking, CommandInfo, Component, | ||
| DrawableComponent, EventState, | ||
| }; | ||
| use crate::{ | ||
| components::ScrollType, | ||
| keys::SharedKeyConfig, | ||
| strings, | ||
| ui::{self, Size}, | ||
| }; | ||
| use anyhow::Result; | ||
| use asyncgit::{sync::get_tags, CWD}; | ||
| use crossterm::event::Event; | ||
| use tui::{ | ||
| backend::Backend, | ||
| layout::{Constraint, Margin, Rect}, | ||
| text::Span, | ||
| widgets::{ | ||
| Block, BorderType, Borders, Cell, Clear, Row, Table, | ||
| TableState, | ||
| }, | ||
| Frame, | ||
| }; | ||
| use ui::style::SharedTheme; | ||
|
|
||
| /// | ||
| pub struct TagListComponent { | ||
| theme: SharedTheme, | ||
| tags: Option<Vec<String>>, | ||
| visible: bool, | ||
| table_state: std::cell::Cell<TableState>, | ||
| current_height: std::cell::Cell<usize>, | ||
| key_config: SharedKeyConfig, | ||
| } | ||
|
|
||
| impl DrawableComponent for TagListComponent { | ||
| fn draw<B: Backend>( | ||
| &self, | ||
| f: &mut Frame<B>, | ||
| rect: Rect, | ||
| ) -> Result<()> { | ||
| if self.visible { | ||
| const PERCENT_SIZE: Size = Size::new(80, 50); | ||
| const MIN_SIZE: Size = Size::new(60, 20); | ||
|
|
||
| let area = ui::centered_rect( | ||
| PERCENT_SIZE.width, | ||
| PERCENT_SIZE.height, | ||
| f.size(), | ||
| ); | ||
| let area = | ||
| ui::rect_inside(MIN_SIZE, f.size().into(), area); | ||
| let area = area.intersection(rect); | ||
|
|
||
| let constraints = [ | ||
| // tag name | ||
| Constraint::Percentage(100), | ||
| ]; | ||
|
|
||
| let rows = self.get_rows(); | ||
| let number_of_rows = rows.len(); | ||
|
|
||
| let table = Table::new(rows) | ||
| .widths(&constraints) | ||
| .column_spacing(1) | ||
| .highlight_style(self.theme.text(true, true)) | ||
| .block( | ||
| Block::default() | ||
| .borders(Borders::ALL) | ||
| .title(Span::styled( | ||
| strings::title_tags(), | ||
| self.theme.title(true), | ||
| )) | ||
| .border_style(self.theme.block(true)) | ||
| .border_type(BorderType::Thick), | ||
| ); | ||
|
|
||
| let mut table_state = self.table_state.take(); | ||
|
|
||
| f.render_widget(Clear, area); | ||
| f.render_stateful_widget(table, area, &mut table_state); | ||
|
|
||
| let area = area.inner(&Margin { | ||
| vertical: 1, | ||
| horizontal: 0, | ||
| }); | ||
|
|
||
| ui::draw_scrollbar( | ||
| f, | ||
| area, | ||
| &self.theme, | ||
| number_of_rows, | ||
| table_state.selected().unwrap_or(0), | ||
| ); | ||
|
|
||
| self.table_state.set(table_state); | ||
| self.current_height.set(area.height.into()); | ||
| } | ||
|
|
||
| Ok(()) | ||
| } | ||
| } | ||
|
|
||
| impl Component for TagListComponent { | ||
| fn commands( | ||
| &self, | ||
| out: &mut Vec<CommandInfo>, | ||
| force_all: bool, | ||
| ) -> CommandBlocking { | ||
| if self.visible || force_all { | ||
| out.clear(); | ||
|
|
||
| out.push(CommandInfo::new( | ||
| strings::commands::scroll(&self.key_config), | ||
| true, | ||
| true, | ||
| )); | ||
|
|
||
| out.push(CommandInfo::new( | ||
| strings::commands::close_popup(&self.key_config), | ||
| true, | ||
| true, | ||
| )); | ||
| } | ||
| visibility_blocking(self) | ||
| } | ||
|
|
||
| fn event(&mut self, event: Event) -> Result<EventState> { | ||
| if self.visible { | ||
| if let Event::Key(key) = event { | ||
| if key == self.key_config.exit_popup { | ||
| self.hide() | ||
| } else if key == self.key_config.move_up { | ||
| self.move_selection(ScrollType::Up); | ||
| } else if key == self.key_config.move_down { | ||
| self.move_selection(ScrollType::Down); | ||
| } else if key == self.key_config.shift_up | ||
| || key == self.key_config.home | ||
| { | ||
| self.move_selection(ScrollType::Home); | ||
| } else if key == self.key_config.shift_down | ||
| || key == self.key_config.end | ||
| { | ||
| self.move_selection(ScrollType::End); | ||
| } else if key == self.key_config.page_down { | ||
| self.move_selection(ScrollType::PageDown); | ||
| } else if key == self.key_config.page_up { | ||
| self.move_selection(ScrollType::PageUp); | ||
| } | ||
| } | ||
|
|
||
| Ok(EventState::Consumed) | ||
| } else { | ||
| Ok(EventState::NotConsumed) | ||
| } | ||
| } | ||
|
|
||
| fn is_visible(&self) -> bool { | ||
| self.visible | ||
| } | ||
|
|
||
| fn hide(&mut self) { | ||
| self.visible = false | ||
| } | ||
|
|
||
| fn show(&mut self) -> Result<()> { | ||
| self.visible = true; | ||
|
|
||
| Ok(()) | ||
| } | ||
| } | ||
|
|
||
| impl TagListComponent { | ||
| pub fn new( | ||
| theme: SharedTheme, | ||
| key_config: SharedKeyConfig, | ||
| ) -> Self { | ||
| Self { | ||
| theme, | ||
| tags: None, | ||
| visible: false, | ||
| table_state: std::cell::Cell::new(TableState::default()), | ||
| current_height: std::cell::Cell::new(0), | ||
| key_config, | ||
| } | ||
| } | ||
|
|
||
| /// | ||
| pub fn open(&mut self) -> Result<()> { | ||
| self.table_state.get_mut().select(Some(0)); | ||
| self.show()?; | ||
|
|
||
| self.update_tags()?; | ||
|
|
||
| Ok(()) | ||
| } | ||
|
|
||
| /// fetch list of tags | ||
| pub fn update_tags(&mut self) -> Result<()> { | ||
| let tags_grouped_by_commit_id = get_tags(CWD)?; | ||
|
|
||
| let mut tags: Vec<String> = tags_grouped_by_commit_id | ||
| .values() | ||
| .cloned() | ||
| .flatten() | ||
| .collect(); | ||
|
|
||
| tags.sort(); | ||
|
|
||
| self.tags = Some(tags); | ||
|
|
||
| Ok(()) | ||
| } | ||
|
|
||
| /// | ||
| fn move_selection(&mut self, scroll_type: ScrollType) -> bool { | ||
| let mut table_state = self.table_state.take(); | ||
|
|
||
| let old_selection = table_state.selected().unwrap_or(0); | ||
| let max_selection = | ||
| self.tags.as_ref().map_or(0, |tags| tags.len() - 1); | ||
|
|
||
| let new_selection = match scroll_type { | ||
| ScrollType::Up => old_selection.saturating_sub(1), | ||
| ScrollType::Down => { | ||
| old_selection.saturating_add(1).min(max_selection) | ||
| } | ||
| ScrollType::Home => 0, | ||
| ScrollType::End => max_selection, | ||
| ScrollType::PageUp => old_selection.saturating_sub( | ||
| self.current_height.get().saturating_sub(2), | ||
| ), | ||
| ScrollType::PageDown => old_selection | ||
| .saturating_add( | ||
| self.current_height.get().saturating_sub(2), | ||
| ) | ||
| .min(max_selection), | ||
| }; | ||
|
|
||
| let needs_update = new_selection != old_selection; | ||
|
|
||
| table_state.select(Some(new_selection)); | ||
| self.table_state.set(table_state); | ||
|
|
||
| needs_update | ||
| } | ||
|
|
||
| /// | ||
| fn get_rows(&self) -> Vec<Row> { | ||
| if let Some(ref tags) = self.tags { | ||
| tags.iter().map(|tag| self.get_row(tag)).collect() | ||
| } else { | ||
| vec![] | ||
| } | ||
| } | ||
|
|
||
| /// | ||
| fn get_row(&self, tag: &str) -> Row { | ||
| let cells = vec![Cell::from(String::from(tag)) | ||
| .style(self.theme.text(true, false))]; | ||
|
|
||
| Row::new(cells) | ||
| } | ||
| } |
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