Add Palette component

crates/ui2/src/components/palette.rs

@@ -0,0 +1,152 @@
+use std::marker::PhantomData;
+
+use crate::prelude::*;
+use crate::theme::theme;
+use crate::{h_stack, v_stack, Keybinding, Label, LabelColor};
+
+#[derive(Element)]
+pub struct Palette<S: 'static + Send + Sync + Clone> {
+    state_type: PhantomData<S>,
+    scroll_state: ScrollState,
+    input_placeholder: &'static str,
+    empty_string: &'static str,
+    items: Vec<PaletteItem<S>>,
+    default_order: OrderMethod,
+}
+
+impl<S: 'static + Send + Sync + Clone> Palette<S> {
+    pub fn new(scroll_state: ScrollState) -> Self {
+        Self {
+            state_type: PhantomData,
+            scroll_state,
+            input_placeholder: "Find something...",
+            empty_string: "No items found.",
+            items: vec![],
+            default_order: OrderMethod::default(),
+        }
+    }
+
+    pub fn items(mut self, items: Vec<PaletteItem<S>>) -> Self {
+        self.items = items;
+        self
+    }
+
+    pub fn placeholder(mut self, input_placeholder: &'static str) -> Self {
+        self.input_placeholder = input_placeholder;
+        self
+    }
+
+    pub fn empty_string(mut self, empty_string: &'static str) -> Self {
+        self.empty_string = empty_string;
+        self
+    }
+
+    // TODO: Hook up sort order
+    pub fn default_order(mut self, default_order: OrderMethod) -> Self {
+        self.default_order = default_order;
+        self
+    }
+
+    fn render(&mut self, cx: &mut ViewContext<S>) -> impl Element<State = S> {
+        let theme = theme(cx);
+
+        v_stack()
+            .w_96()
+            .rounded_lg()
+            .fill(theme.lowest.base.default.background)
+            .border()
+            .border_color(theme.lowest.base.default.border)
+            .child(
+                v_stack()
+                    .gap_px()
+                    .child(v_stack().py_0p5().px_1().child(
+                        div().px_2().py_0p5().child(
+                            Label::new(self.input_placeholder).color(LabelColor::Placeholder),
+                        ),
+                    ))
+                    .child(div().h_px().w_full().fill(theme.lowest.base.default.border))
+                    .child(
+                        v_stack()
+                            .py_0p5()
+                            .px_1()
+                            .grow()
+                            .max_h_96()
+                            .overflow_y_scroll(self.scroll_state.clone())
+                            .children(
+                                vec![if self.items.is_empty() {
+                                    Some(h_stack().justify_between().px_2().py_1().child(
+                                        Label::new(self.empty_string).color(LabelColor::Muted),
+                                    ))
+                                } else {
+                                    None
+                                }]
+                                .into_iter()
+                                .flatten(),
+                            )
+                            .children(self.items.iter().map(|item| {
+                                h_stack()
+                                    .justify_between()
+                                    .px_2()
+                                    .py_0p5()
+                                    .rounded_lg()
+                                    // .hover()
+                                    // .fill(theme.lowest.base.hovered.background)
+                                    // .active()
+                                    // .fill(theme.lowest.base.pressed.background)
+                                    .child(item.clone())
+                            })),
+                    ),
+            )
+    }
+}
+
+#[derive(Element, Clone)]
+pub struct PaletteItem<S: 'static + Send + Sync + Clone> {
+    pub label: &'static str,
+    pub sublabel: Option<&'static str>,
+    pub keybinding: Option<Keybinding<S>>,
+}
+
+impl<S: 'static + Send + Sync + Clone> PaletteItem<S> {
+    pub fn new(label: &'static str) -> Self {
+        Self {
+            label,
+            sublabel: None,
+            keybinding: None,
+        }
+    }
+
+    pub fn label(mut self, label: &'static str) -> Self {
+        self.label = label;
+        self
+    }
+
+    pub fn sublabel<L: Into<Option<&'static str>>>(mut self, sublabel: L) -> Self {
+        self.sublabel = sublabel.into();
+        self
+    }
+
+    pub fn keybinding<K>(mut self, keybinding: K) -> Self
+    where
+        K: Into<Option<Keybinding<S>>>,
+    {
+        self.keybinding = keybinding.into();
+        self
+    }
+
+    fn render(&mut self, cx: &mut ViewContext<S>) -> impl Element<State = S> {
+        let theme = theme(cx);
+
+        div()
+            .flex()
+            .flex_row()
+            .grow()
+            .justify_between()
+            .child(
+                v_stack()
+                    .child(Label::new(self.label))
+                    .children(self.sublabel.map(|sublabel| Label::new(sublabel))),
+            )
+            .children(self.keybinding.clone())
+    }
+}