tab.rs

  1use std::marker::PhantomData;
  2
  3use crate::prelude::*;
  4use crate::{theme, Icon, IconColor, IconElement, Label, LabelColor};
  5
  6#[derive(Element, Clone)]
  7pub struct Tab<S: 'static + Send + Sync + Clone> {
  8    state_type: PhantomData<S>,
  9    title: String,
 10    icon: Option<Icon>,
 11    current: bool,
 12    dirty: bool,
 13    fs_status: FileSystemStatus,
 14    git_status: GitStatus,
 15    diagnostic_status: DiagnosticStatus,
 16    close_side: IconSide,
 17}
 18
 19impl<S: 'static + Send + Sync + Clone> Tab<S> {
 20    pub fn new() -> Self {
 21        Self {
 22            state_type: PhantomData,
 23            title: "untitled".to_string(),
 24            icon: None,
 25            current: false,
 26            dirty: false,
 27            fs_status: FileSystemStatus::None,
 28            git_status: GitStatus::None,
 29            diagnostic_status: DiagnosticStatus::None,
 30            close_side: IconSide::Right,
 31        }
 32    }
 33
 34    pub fn current(mut self, current: bool) -> Self {
 35        self.current = current;
 36        self
 37    }
 38
 39    pub fn title(mut self, title: String) -> Self {
 40        self.title = title;
 41        self
 42    }
 43
 44    pub fn icon<I>(mut self, icon: I) -> Self
 45    where
 46        I: Into<Option<Icon>>,
 47    {
 48        self.icon = icon.into();
 49        self
 50    }
 51
 52    pub fn dirty(mut self, dirty: bool) -> Self {
 53        self.dirty = dirty;
 54        self
 55    }
 56
 57    pub fn fs_status(mut self, fs_status: FileSystemStatus) -> Self {
 58        self.fs_status = fs_status;
 59        self
 60    }
 61
 62    pub fn git_status(mut self, git_status: GitStatus) -> Self {
 63        self.git_status = git_status;
 64        self
 65    }
 66
 67    pub fn diagnostic_status(mut self, diagnostic_status: DiagnosticStatus) -> Self {
 68        self.diagnostic_status = diagnostic_status;
 69        self
 70    }
 71
 72    pub fn close_side(mut self, close_side: IconSide) -> Self {
 73        self.close_side = close_side;
 74        self
 75    }
 76
 77    fn render(&mut self, _view: &mut S, cx: &mut ViewContext<S>) -> impl Element<ViewState = S> {
 78        let theme = theme(cx);
 79        let has_fs_conflict = self.fs_status == FileSystemStatus::Conflict;
 80        let is_deleted = self.fs_status == FileSystemStatus::Deleted;
 81
 82        let label = match (self.git_status, is_deleted) {
 83            (_, true) | (GitStatus::Deleted, false) => Label::new(self.title.clone())
 84                .color(LabelColor::Hidden)
 85                .set_strikethrough(true),
 86            (GitStatus::None, false) => Label::new(self.title.clone()),
 87            (GitStatus::Created, false) => {
 88                Label::new(self.title.clone()).color(LabelColor::Created)
 89            }
 90            (GitStatus::Modified, false) => {
 91                Label::new(self.title.clone()).color(LabelColor::Modified)
 92            }
 93            (GitStatus::Renamed, false) => Label::new(self.title.clone()).color(LabelColor::Accent),
 94            (GitStatus::Conflict, false) => Label::new(self.title.clone()),
 95        };
 96
 97        let close_icon = IconElement::new(Icon::Close).color(IconColor::Muted);
 98
 99        div()
100            .px_2()
101            .py_0p5()
102            .flex()
103            .items_center()
104            .justify_center()
105            .bg(if self.current {
106                theme.highest.base.default.background
107            } else {
108                theme.middle.base.default.background
109            })
110            .child(
111                div()
112                    .px_1()
113                    .flex()
114                    .items_center()
115                    .gap_1()
116                    .children(has_fs_conflict.then(|| {
117                        IconElement::new(Icon::ExclamationTriangle)
118                            .size(crate::IconSize::Small)
119                            .color(IconColor::Warning)
120                    }))
121                    .children(self.icon.map(IconElement::new))
122                    .children(if self.close_side == IconSide::Left {
123                        Some(close_icon.clone())
124                    } else {
125                        None
126                    })
127                    .child(label)
128                    .children(if self.close_side == IconSide::Right {
129                        Some(close_icon)
130                    } else {
131                        None
132                    }),
133            )
134    }
135}
136
137#[cfg(feature = "stories")]
138pub use stories::*;
139
140#[cfg(feature = "stories")]
141mod stories {
142    use strum::IntoEnumIterator;
143
144    use crate::{h_stack, v_stack, Icon, Story};
145
146    use super::*;
147
148    #[derive(Element)]
149    pub struct TabStory<S: 'static + Send + Sync + Clone> {
150        state_type: PhantomData<S>,
151    }
152
153    impl<S: 'static + Send + Sync + Clone> TabStory<S> {
154        pub fn new() -> Self {
155            Self {
156                state_type: PhantomData,
157            }
158        }
159
160        fn render(
161            &mut self,
162            _view: &mut S,
163            cx: &mut ViewContext<S>,
164        ) -> impl Element<ViewState = S> {
165            let git_statuses = GitStatus::iter();
166            let fs_statuses = FileSystemStatus::iter();
167
168            Story::container(cx)
169                .child(Story::title_for::<_, Tab<S>>(cx))
170                .child(
171                    h_stack().child(
172                        v_stack()
173                            .gap_2()
174                            .child(Story::label(cx, "Default"))
175                            .child(Tab::new()),
176                    ),
177                )
178                .child(
179                    h_stack().child(
180                        v_stack().gap_2().child(Story::label(cx, "Current")).child(
181                            h_stack()
182                                .gap_4()
183                                .child(Tab::new().title("Current".to_string()).current(true))
184                                .child(Tab::new().title("Not Current".to_string()).current(false)),
185                        ),
186                    ),
187                )
188                .child(
189                    h_stack().child(
190                        v_stack()
191                            .gap_2()
192                            .child(Story::label(cx, "Titled"))
193                            .child(Tab::new().title("label".to_string())),
194                    ),
195                )
196                .child(
197                    h_stack().child(
198                        v_stack()
199                            .gap_2()
200                            .child(Story::label(cx, "With Icon"))
201                            .child(
202                                Tab::new()
203                                    .title("label".to_string())
204                                    .icon(Some(Icon::Envelope)),
205                            ),
206                    ),
207                )
208                .child(
209                    h_stack().child(
210                        v_stack()
211                            .gap_2()
212                            .child(Story::label(cx, "Close Side"))
213                            .child(
214                                h_stack()
215                                    .gap_4()
216                                    .child(
217                                        Tab::new()
218                                            .title("Left".to_string())
219                                            .close_side(IconSide::Left),
220                                    )
221                                    .child(Tab::new().title("Right".to_string())),
222                            ),
223                    ),
224                )
225                .child(
226                    v_stack()
227                        .gap_2()
228                        .child(Story::label(cx, "Git Status"))
229                        .child(h_stack().gap_4().children(git_statuses.map(|git_status| {
230                            Tab::new()
231                                .title(git_status.to_string())
232                                .git_status(git_status)
233                        }))),
234                )
235                .child(
236                    v_stack()
237                        .gap_2()
238                        .child(Story::label(cx, "File System Status"))
239                        .child(h_stack().gap_4().children(fs_statuses.map(|fs_status| {
240                            Tab::new().title(fs_status.to_string()).fs_status(fs_status)
241                        }))),
242                )
243        }
244    }
245}