1491 lines
52 KiB
Rust
1491 lines
52 KiB
Rust
use std::{ops::Range, rc::Rc, time::Duration};
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use crate::{
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actions::{Cancel, SelectNext, SelectPrev},
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context_menu::ContextMenuExt,
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h_flex,
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popup_menu::PopupMenu,
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scroll::{ScrollableMask, Scrollbar, ScrollbarState},
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v_flex, ActiveTheme, Icon, IconName, Sizable, Size, StyleSized as _, StyledExt,
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VirtualListScrollHandle,
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};
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use gpui::{
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actions, canvas, div, prelude::FluentBuilder, px, uniform_list, App, AppContext, Axis, Bounds,
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Context, Div, DragMoveEvent, Edges, EventEmitter, FocusHandle, Focusable, InteractiveElement,
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IntoElement, KeyBinding, ListSizingBehavior, MouseButton, MouseDownEvent, ParentElement,
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Pixels, Point, Render, ScrollStrategy, ScrollWheelEvent, SharedString,
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StatefulInteractiveElement as _, Styled, Task, UniformListScrollHandle, Window,
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};
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mod column;
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mod delegate;
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mod loading;
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pub use column::*;
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pub use delegate::*;
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actions!(table, [SelectPrevColumn, SelectNextColumn]);
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pub(crate) fn init(cx: &mut App) {
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let context = Some("Table");
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cx.bind_keys([
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KeyBinding::new("escape", Cancel, context),
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KeyBinding::new("up", SelectPrev, context),
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KeyBinding::new("down", SelectNext, context),
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KeyBinding::new("left", SelectPrevColumn, context),
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KeyBinding::new("right", SelectNextColumn, context),
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]);
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}
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#[derive(Copy, Clone, Debug, PartialEq, Eq)]
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enum SelectionState {
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Column,
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Row,
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}
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#[derive(Clone)]
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pub enum TableEvent {
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/// Single click or move to selected row.
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SelectRow(usize),
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/// Double click on the row.
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DoubleClickedRow(usize),
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SelectColumn(usize),
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ColumnWidthsChanged(Vec<Pixels>),
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MoveColumn(usize, usize),
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}
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/// The visible range of the rows and columns.
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#[derive(Debug, Default)]
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pub struct VisibleRangeState {
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/// The visible range of the rows.
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rows: Range<usize>,
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/// The visible range of the columns.
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cols: Range<usize>,
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}
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impl VisibleRangeState {
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/// Returns the visible range of the rows.
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pub fn rows(&self) -> Range<usize> {
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self.rows.clone()
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}
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/// Returns the visible range of the columns.
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pub fn cols(&self) -> Range<usize> {
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self.cols.clone()
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}
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}
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pub struct Table<D: TableDelegate> {
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focus_handle: FocusHandle,
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delegate: D,
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/// The bounds of the table container.
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bounds: Bounds<Pixels>,
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/// The bounds of the fixed head cols.
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fixed_head_cols_bounds: Bounds<Pixels>,
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col_groups: Vec<ColGroup>,
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/// Whether the table can loop selection, default is true.
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///
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/// When the prev/next selection is out of the table bounds, the selection will loop to the other side.
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pub loop_selection: bool,
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/// Whether the table can select column.
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pub col_selectable: bool,
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/// Whether the table can select row.
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pub row_selectable: bool,
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/// Whether the table can sort.
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pub sortable: bool,
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/// Whether the table can resize columns.
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pub col_resizable: bool,
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/// Whether the table can move columns.
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pub col_movable: bool,
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/// Enable/disable fixed columns feature.
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pub col_fixed: bool,
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pub vertical_scroll_handle: UniformListScrollHandle,
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pub vertical_scroll_state: ScrollbarState,
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pub horizontal_scroll_handle: VirtualListScrollHandle,
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pub horizontal_scroll_state: ScrollbarState,
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scrollbar_visible: Edges<bool>,
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selected_row: Option<usize>,
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selection_state: SelectionState,
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right_clicked_row: Option<usize>,
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selected_col: Option<usize>,
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/// The column index that is being resized.
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resizing_col: Option<usize>,
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/// Set stripe style of the table.
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stripe: bool,
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/// Set to use border style of the table.
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border: bool,
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/// The cell size of the table.
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size: Size,
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/// The visible range of the rows and columns.
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visible_range: VisibleRangeState,
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_measure: Vec<Duration>,
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_load_more_task: Task<()>,
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}
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impl<D> Table<D>
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where
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D: TableDelegate,
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{
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pub fn new(delegate: D, _: &mut Window, cx: &mut Context<Self>) -> Self {
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let mut this = Self {
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focus_handle: cx.focus_handle(),
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delegate,
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col_groups: Vec::new(),
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horizontal_scroll_handle: VirtualListScrollHandle::new(),
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vertical_scroll_handle: UniformListScrollHandle::new(),
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vertical_scroll_state: ScrollbarState::default(),
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horizontal_scroll_state: ScrollbarState::default(),
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selection_state: SelectionState::Row,
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selected_row: None,
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right_clicked_row: None,
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selected_col: None,
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resizing_col: None,
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bounds: Bounds::default(),
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fixed_head_cols_bounds: Bounds::default(),
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stripe: false,
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border: true,
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size: Size::default(),
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scrollbar_visible: Edges::all(true),
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visible_range: VisibleRangeState::default(),
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loop_selection: true,
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col_selectable: true,
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row_selectable: true,
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sortable: true,
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col_movable: true,
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col_resizable: true,
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col_fixed: true,
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_load_more_task: Task::ready(()),
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_measure: Vec::new(),
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};
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this.prepare_col_groups(cx);
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this
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}
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pub fn delegate(&self) -> &D {
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&self.delegate
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}
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pub fn delegate_mut(&mut self) -> &mut D {
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&mut self.delegate
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}
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/// Set to use stripe style of the table, default to false.
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pub fn stripe(mut self, stripe: bool) -> Self {
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self.stripe = stripe;
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self
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}
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pub fn set_stripe(&mut self, stripe: bool, cx: &mut Context<Self>) {
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self.stripe = stripe;
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cx.notify();
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}
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/// Set to use border style of the table, default to true.
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pub fn border(mut self, border: bool) -> Self {
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self.border = border;
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self
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}
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/// Set to loop selection, default to true.
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pub fn loop_selection(mut self, loop_selection: bool) -> Self {
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self.loop_selection = loop_selection;
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self
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}
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/// Set to enable/disable column movable, default to true.
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pub fn col_movable(mut self, col_movable: bool) -> Self {
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self.col_movable = col_movable;
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self
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}
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/// Set to enable/disable column resizable, default to true.
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pub fn col_resizable(mut self, col_resizable: bool) -> Self {
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self.col_resizable = col_resizable;
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self
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}
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/// Set to enable/disable column sortable, default true
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pub fn sortable(mut self, sortable: bool) -> Self {
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self.sortable = sortable;
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self
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}
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/// Set to enable/disable row selectable, default true
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pub fn row_selectable(mut self, row_selectable: bool) -> Self {
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self.row_selectable = row_selectable;
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self
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}
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/// Set to enable/disable column selectable, default true
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pub fn col_selectable(mut self, col_selectable: bool) -> Self {
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self.col_selectable = col_selectable;
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self
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}
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/// Set the size to the table.
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pub fn set_size(&mut self, size: Size, cx: &mut Context<Self>) {
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self.size = size;
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cx.notify();
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}
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/// Get the size of the table.
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pub fn size(&self) -> Size {
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self.size
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}
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/// Set scrollbar visibility.
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pub fn scrollbar_visible(mut self, vertical: bool, horizontal: bool) -> Self {
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self.scrollbar_visible = Edges {
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right: vertical,
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bottom: horizontal,
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..Default::default()
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};
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self
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}
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/// When we update columns or rows, we need to refresh the table.
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pub fn refresh(&mut self, cx: &mut Context<Self>) {
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self.prepare_col_groups(cx);
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}
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fn prepare_col_groups(&mut self, cx: &mut Context<Self>) {
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self.col_groups = (0..self.delegate.columns_count(cx))
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.map(|col_ix| {
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let column = self.delegate().column(col_ix, cx);
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ColGroup {
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width: column.width,
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bounds: Bounds::default(),
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column: column.clone(),
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}
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})
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.collect();
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cx.notify();
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}
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fn fixed_left_cols_count(&self) -> usize {
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if !self.col_fixed {
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return 0;
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}
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self.col_groups
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.iter()
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.filter(|col| col.column.fixed == Some(ColumnFixed::Left))
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.count()
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}
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/// Scroll to the row at the given index.
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pub fn scroll_to_row(&mut self, row_ix: usize, cx: &mut Context<Self>) {
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self.vertical_scroll_handle
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.scroll_to_item(row_ix, ScrollStrategy::Top);
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cx.notify();
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}
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// Scroll to the column at the given index.
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pub fn scroll_to_col(&mut self, col_ix: usize, cx: &mut Context<Self>) {
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let col_ix = col_ix.saturating_sub(self.fixed_left_cols_count());
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self.horizontal_scroll_handle
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.scroll_to_item(col_ix, ScrollStrategy::Top);
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cx.notify();
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}
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/// Returns the selected row index.
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pub fn selected_row(&self) -> Option<usize> {
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self.selected_row
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}
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/// Sets the selected row to the given index.
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pub fn set_selected_row(&mut self, row_ix: usize, cx: &mut Context<Self>) {
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self.selection_state = SelectionState::Row;
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self.right_clicked_row = None;
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self.selected_row = Some(row_ix);
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if let Some(row_ix) = self.selected_row {
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self.vertical_scroll_handle
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.scroll_to_item(row_ix, ScrollStrategy::Top);
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}
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cx.emit(TableEvent::SelectRow(row_ix));
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cx.notify();
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}
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/// Returns the selected column index.
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pub fn selected_col(&self) -> Option<usize> {
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self.selected_col
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}
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/// Sets the selected col to the given index.
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pub fn set_selected_col(&mut self, col_ix: usize, cx: &mut Context<Self>) {
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self.selection_state = SelectionState::Column;
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self.selected_col = Some(col_ix);
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if let Some(col_ix) = self.selected_col {
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self.scroll_to_col(col_ix, cx);
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}
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cx.emit(TableEvent::SelectColumn(col_ix));
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cx.notify();
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}
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/// Clear the selection of the table.
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pub fn clear_selection(&mut self, cx: &mut Context<Self>) {
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self.selection_state = SelectionState::Row;
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self.selected_row = None;
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self.selected_col = None;
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cx.notify();
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}
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/// Returns the visible range of the rows and columns.
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pub fn visible_range(&self) -> &VisibleRangeState {
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&self.visible_range
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}
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fn on_row_click(
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&mut self,
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ev: &MouseDownEvent,
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row_ix: usize,
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_: &mut Window,
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cx: &mut Context<Self>,
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) {
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if ev.button == MouseButton::Right {
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self.right_clicked_row = Some(row_ix);
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} else {
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self.set_selected_row(row_ix, cx);
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if ev.click_count == 2 {
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cx.emit(TableEvent::DoubleClickedRow(row_ix));
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}
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}
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}
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fn on_col_head_click(&mut self, col_ix: usize, _: &mut Window, cx: &mut Context<Self>) {
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if !self.col_selectable {
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return;
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}
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let Some(col_group) = self.col_groups.get(col_ix) else {
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return;
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};
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if !col_group.column.selectable {
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return;
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}
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self.set_selected_col(col_ix, cx)
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}
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fn has_selection(&self) -> bool {
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self.selected_row.is_some() || self.selected_col.is_some()
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}
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fn action_cancel(&mut self, _: &Cancel, _: &mut Window, cx: &mut Context<Self>) {
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if self.has_selection() {
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self.clear_selection(cx);
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return;
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}
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cx.propagate();
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}
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fn action_select_prev(&mut self, _: &SelectPrev, _: &mut Window, cx: &mut Context<Self>) {
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let rows_count = self.delegate.rows_count(cx);
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if rows_count < 1 {
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return;
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}
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let mut selected_row = self.selected_row.unwrap_or(0);
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if selected_row > 0 {
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selected_row = selected_row.saturating_sub(1);
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} else {
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if self.loop_selection {
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selected_row = rows_count.saturating_sub(1);
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}
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}
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self.set_selected_row(selected_row, cx);
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}
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fn action_select_next(&mut self, _: &SelectNext, _: &mut Window, cx: &mut Context<Self>) {
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let rows_count = self.delegate.rows_count(cx);
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if rows_count < 1 {
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return;
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}
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let selected_row = match self.selected_row {
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Some(selected_row) if selected_row < rows_count.saturating_sub(1) => selected_row + 1,
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Some(selected_row) => {
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if self.loop_selection {
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0
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} else {
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selected_row
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}
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}
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_ => 0,
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};
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self.set_selected_row(selected_row, cx);
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}
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fn action_select_prev_col(
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&mut self,
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_: &SelectPrevColumn,
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_: &mut Window,
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cx: &mut Context<Self>,
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) {
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let mut selected_col = self.selected_col.unwrap_or(0);
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let columns_count = self.delegate.columns_count(cx);
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if selected_col > 0 {
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selected_col = selected_col.saturating_sub(1);
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} else {
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if self.loop_selection {
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selected_col = columns_count.saturating_sub(1);
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}
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}
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self.set_selected_col(selected_col, cx);
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}
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fn action_select_next_col(
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&mut self,
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_: &SelectNextColumn,
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_: &mut Window,
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cx: &mut Context<Self>,
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) {
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let mut selected_col = self.selected_col.unwrap_or(0);
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if selected_col < self.delegate.columns_count(cx).saturating_sub(1) {
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selected_col += 1;
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} else {
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if self.loop_selection {
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selected_col = 0;
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}
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}
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self.set_selected_col(selected_col, cx);
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}
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/// Scroll table when mouse position is near the edge of the table bounds.
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fn scroll_table_by_col_resizing(
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&mut self,
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mouse_position: Point<Pixels>,
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col_group: &ColGroup,
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) {
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// Do nothing if pos out of the table bounds right for avoid scroll to the right.
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if mouse_position.x > self.bounds.right() {
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return;
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}
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let mut offset = self.horizontal_scroll_handle.offset();
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let col_bounds = col_group.bounds;
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if mouse_position.x < self.bounds.left()
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&& col_bounds.right() < self.bounds.left() + px(20.)
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{
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offset.x += px(1.);
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} else if mouse_position.x > self.bounds.right()
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&& col_bounds.right() > self.bounds.right() - px(20.)
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{
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offset.x -= px(1.);
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}
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self.horizontal_scroll_handle.set_offset(offset);
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}
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/// The `ix`` is the index of the col to resize,
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/// and the `size` is the new size for the col.
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fn resize_cols(&mut self, ix: usize, size: Pixels, _: &mut Window, cx: &mut Context<Self>) {
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if !self.col_resizable {
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return;
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}
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|
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const MIN_WIDTH: Pixels = px(10.0);
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const MAX_WIDTH: Pixels = px(1200.0);
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let Some(col_group) = self.col_groups.get_mut(ix) else {
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return;
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};
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if !col_group.is_resizable() {
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return;
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}
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let size = size.floor();
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let old_width = col_group.width;
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let new_width = size;
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if new_width < MIN_WIDTH {
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return;
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}
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let changed_width = new_width - old_width;
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// If change size is less than 1px, do nothing.
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if changed_width > px(-1.0) && changed_width < px(1.0) {
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return;
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}
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col_group.width = new_width.min(MAX_WIDTH);
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cx.notify();
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}
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fn perform_sort(&mut self, col_ix: usize, window: &mut Window, cx: &mut Context<Self>) {
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if !self.sortable {
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return;
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}
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let sort = self.col_groups.get(col_ix).and_then(|g| g.column.sort);
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if sort.is_none() {
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return;
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}
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|
|
let sort = sort.unwrap();
|
|
let sort = match sort {
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ColumnSort::Ascending => ColumnSort::Default,
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ColumnSort::Descending => ColumnSort::Ascending,
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ColumnSort::Default => ColumnSort::Descending,
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};
|
|
|
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for (ix, col_group) in self.col_groups.iter_mut().enumerate() {
|
|
if ix == col_ix {
|
|
col_group.column.sort = Some(sort);
|
|
} else {
|
|
if col_group.column.sort.is_some() {
|
|
col_group.column.sort = Some(ColumnSort::Default);
|
|
}
|
|
}
|
|
}
|
|
|
|
self.delegate_mut().perform_sort(col_ix, sort, window, cx);
|
|
|
|
cx.notify();
|
|
}
|
|
|
|
fn move_column(
|
|
&mut self,
|
|
col_ix: usize,
|
|
to_ix: usize,
|
|
window: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) {
|
|
if col_ix == to_ix {
|
|
return;
|
|
}
|
|
|
|
self.delegate.move_column(col_ix, to_ix, window, cx);
|
|
let col_group = self.col_groups.remove(col_ix);
|
|
self.col_groups.insert(to_ix, col_group);
|
|
|
|
cx.emit(TableEvent::MoveColumn(col_ix, to_ix));
|
|
cx.notify();
|
|
}
|
|
|
|
/// Dispatch delegate's `load_more` method when the visible range is near the end.
|
|
fn load_more_if_need(
|
|
&mut self,
|
|
rows_count: usize,
|
|
visible_end: usize,
|
|
window: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) {
|
|
let threshold = self.delegate.load_more_threshold();
|
|
// Securely handle subtract logic to prevent attempt to subtract with overflow
|
|
if visible_end >= rows_count.saturating_sub(threshold) {
|
|
if !self.delegate.is_eof(cx) {
|
|
return;
|
|
}
|
|
|
|
self._load_more_task = cx.spawn_in(window, async move |view, window| {
|
|
_ = view.update_in(window, |view, window, cx| {
|
|
view.delegate.load_more(window, cx);
|
|
});
|
|
});
|
|
}
|
|
}
|
|
|
|
fn update_visible_range_if_need(
|
|
&mut self,
|
|
visible_range: Range<usize>,
|
|
axis: Axis,
|
|
window: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) {
|
|
// Skip when visible range is only 1 item.
|
|
// The visual_list will use first item to measure.
|
|
if visible_range.len() <= 1 {
|
|
return;
|
|
}
|
|
|
|
if axis == Axis::Vertical {
|
|
if self.visible_range.rows == visible_range {
|
|
return;
|
|
}
|
|
self.delegate_mut()
|
|
.visible_rows_changed(visible_range.clone(), window, cx);
|
|
self.visible_range.rows = visible_range;
|
|
} else {
|
|
if self.visible_range.cols == visible_range {
|
|
return;
|
|
}
|
|
self.delegate_mut()
|
|
.visible_columns_changed(visible_range.clone(), window, cx);
|
|
self.visible_range.cols = visible_range;
|
|
}
|
|
}
|
|
|
|
fn render_cell(&self, col_ix: usize, _window: &mut Window, _cx: &mut Context<Self>) -> Div {
|
|
let Some(col_group) = self.col_groups.get(col_ix) else {
|
|
return div();
|
|
};
|
|
|
|
let col_width = col_group.width;
|
|
let col_padding = col_group.column.paddings;
|
|
|
|
div()
|
|
.w(col_width)
|
|
.h_full()
|
|
.flex_shrink_0()
|
|
.overflow_hidden()
|
|
.whitespace_nowrap()
|
|
.table_cell_size(self.size)
|
|
.map(|this| match col_padding {
|
|
Some(padding) => this
|
|
.pl(padding.left)
|
|
.pr(padding.right)
|
|
.pt(padding.top)
|
|
.pb(padding.bottom),
|
|
None => this,
|
|
})
|
|
}
|
|
|
|
/// Show Column selection style, when the column is selected and the selection state is Column.
|
|
fn render_col_wrap(&self, col_ix: usize, _: &mut Window, cx: &mut Context<Self>) -> Div {
|
|
let el = h_flex().h_full();
|
|
let selectable = self.col_selectable
|
|
&& self
|
|
.col_groups
|
|
.get(col_ix)
|
|
.map(|col_group| col_group.column.selectable)
|
|
.unwrap_or(false);
|
|
|
|
if selectable
|
|
&& self.selected_col == Some(col_ix)
|
|
&& self.selection_state == SelectionState::Column
|
|
{
|
|
el.bg(cx.theme().table_active)
|
|
} else {
|
|
el
|
|
}
|
|
}
|
|
|
|
fn render_vertical_scrollbar(
|
|
&self,
|
|
_: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) -> Option<impl IntoElement> {
|
|
let state = self.vertical_scroll_state.clone();
|
|
|
|
Some(
|
|
div()
|
|
.occlude()
|
|
.absolute()
|
|
.top(self.size.table_row_height())
|
|
.right_0()
|
|
.bottom_0()
|
|
.w(Scrollbar::width())
|
|
.on_scroll_wheel(cx.listener(|_, _: &ScrollWheelEvent, _, cx| {
|
|
cx.notify();
|
|
}))
|
|
.child(Scrollbar::uniform_scroll(&state, &self.vertical_scroll_handle).max_fps(60)),
|
|
)
|
|
}
|
|
|
|
fn render_horizontal_scrollbar(
|
|
&self,
|
|
_: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) -> impl IntoElement {
|
|
let state = self.horizontal_scroll_state.clone();
|
|
|
|
div()
|
|
.occlude()
|
|
.absolute()
|
|
.left(self.fixed_head_cols_bounds.size.width)
|
|
.right_0()
|
|
.bottom_0()
|
|
.h(Scrollbar::width())
|
|
.on_scroll_wheel(cx.listener(|_, _: &ScrollWheelEvent, _, cx| {
|
|
cx.notify();
|
|
}))
|
|
.child(Scrollbar::horizontal(
|
|
&state,
|
|
&self.horizontal_scroll_handle,
|
|
))
|
|
}
|
|
|
|
fn render_resize_handle(
|
|
&self,
|
|
ix: usize,
|
|
_: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) -> impl IntoElement {
|
|
const HANDLE_SIZE: Pixels = px(2.);
|
|
|
|
let resizable = self.col_resizable
|
|
&& self
|
|
.col_groups
|
|
.get(ix)
|
|
.map(|col| col.is_resizable())
|
|
.unwrap_or(false);
|
|
if !resizable {
|
|
return div().into_any_element();
|
|
}
|
|
|
|
let group_id = SharedString::from(format!("resizable-handle:{}", ix));
|
|
|
|
h_flex()
|
|
.id(("resizable-handle", ix))
|
|
.group(group_id.clone())
|
|
.occlude()
|
|
.cursor_col_resize()
|
|
.h_full()
|
|
.w(HANDLE_SIZE)
|
|
.ml(-(HANDLE_SIZE))
|
|
.justify_end()
|
|
.items_center()
|
|
.child(
|
|
div()
|
|
.h_full()
|
|
.justify_center()
|
|
.bg(cx.theme().table_row_border)
|
|
.group_hover(group_id, |this| this.bg(cx.theme().border).h_full())
|
|
.w(px(1.)),
|
|
)
|
|
.on_drag_move(
|
|
cx.listener(move |view, e: &DragMoveEvent<ResizeColumn>, window, cx| {
|
|
match e.drag(cx) {
|
|
ResizeColumn((entity_id, ix)) => {
|
|
if cx.entity_id() != *entity_id {
|
|
return;
|
|
}
|
|
|
|
// sync col widths into real widths
|
|
// TODO: Consider to remove this, this may not need now.
|
|
// for (_, col_group) in view.col_groups.iter_mut().enumerate() {
|
|
// col_group.width = col_group.bounds.size.width;
|
|
// }
|
|
|
|
let ix = *ix;
|
|
view.resizing_col = Some(ix);
|
|
|
|
let col_group = view
|
|
.col_groups
|
|
.get(ix)
|
|
.expect("BUG: invalid col index")
|
|
.clone();
|
|
|
|
view.resize_cols(
|
|
ix,
|
|
e.event.position.x - HANDLE_SIZE - col_group.bounds.left(),
|
|
window,
|
|
cx,
|
|
);
|
|
|
|
// scroll the table if the drag is near the edge
|
|
view.scroll_table_by_col_resizing(e.event.position, &col_group);
|
|
}
|
|
};
|
|
}),
|
|
)
|
|
.on_drag(ResizeColumn((cx.entity_id(), ix)), |drag, _, _, cx| {
|
|
cx.stop_propagation();
|
|
cx.new(|_| drag.clone())
|
|
})
|
|
.on_mouse_up_out(
|
|
MouseButton::Left,
|
|
cx.listener(|view, _, _, cx| {
|
|
if view.resizing_col.is_none() {
|
|
return;
|
|
}
|
|
|
|
view.resizing_col = None;
|
|
|
|
let new_widths = view.col_groups.iter().map(|g| g.width).collect();
|
|
cx.emit(TableEvent::ColumnWidthsChanged(new_widths));
|
|
cx.notify();
|
|
}),
|
|
)
|
|
.into_any_element()
|
|
}
|
|
|
|
fn render_sort_icon(
|
|
&self,
|
|
col_ix: usize,
|
|
col_group: &ColGroup,
|
|
_: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) -> Option<impl IntoElement> {
|
|
if !self.sortable {
|
|
return None;
|
|
}
|
|
|
|
let Some(sort) = col_group.column.sort else {
|
|
return None;
|
|
};
|
|
|
|
let (icon, is_on) = match sort {
|
|
ColumnSort::Ascending => (IconName::SortAscending, true),
|
|
ColumnSort::Descending => (IconName::SortDescending, true),
|
|
ColumnSort::Default => (IconName::ChevronsUpDown, false),
|
|
};
|
|
|
|
Some(
|
|
div()
|
|
.id(("icon-sort", col_ix))
|
|
.p(px(2.))
|
|
.rounded(cx.theme().radius / 2.)
|
|
.map(|this| match is_on {
|
|
true => this,
|
|
false => this.opacity(0.5),
|
|
})
|
|
.hover(|this| this.bg(cx.theme().secondary).opacity(7.))
|
|
.active(|this| this.bg(cx.theme().secondary_active).opacity(1.))
|
|
.on_click(
|
|
cx.listener(move |table, _, window, cx| table.perform_sort(col_ix, window, cx)),
|
|
)
|
|
.child(
|
|
Icon::new(icon)
|
|
.size_3()
|
|
.text_color(cx.theme().secondary_foreground),
|
|
),
|
|
)
|
|
}
|
|
|
|
/// Render the column header.
|
|
/// The children must be one by one items.
|
|
/// Because the horizontal scroll handle will use the child_item_bounds to
|
|
/// calculate the item position for itself's `scroll_to_item` method.
|
|
fn render_th(
|
|
&self,
|
|
col_ix: usize,
|
|
window: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) -> impl IntoElement {
|
|
let entity_id = cx.entity_id();
|
|
let col_group = self.col_groups.get(col_ix).expect("BUG: invalid col index");
|
|
|
|
let movable = self.col_movable && col_group.column.movable;
|
|
let paddings = col_group.column.paddings;
|
|
let name = col_group.column.name.clone();
|
|
|
|
h_flex()
|
|
.h_full()
|
|
.child(
|
|
self.render_cell(col_ix, window, cx)
|
|
.id(("col-header", col_ix))
|
|
.on_mouse_down(
|
|
MouseButton::Left,
|
|
cx.listener(move |this, _, window, cx| {
|
|
this.on_col_head_click(col_ix, window, cx);
|
|
}),
|
|
)
|
|
.child(
|
|
h_flex()
|
|
.size_full()
|
|
.justify_between()
|
|
.items_center()
|
|
.child(self.delegate.render_th(col_ix, window, cx))
|
|
.when_some(paddings, |this, paddings| {
|
|
// Leave right space for the sort icon, if this column have custom padding
|
|
let offset_pr =
|
|
self.size.table_cell_padding().right - paddings.right;
|
|
this.pr(offset_pr.max(px(0.)))
|
|
})
|
|
.children(self.render_sort_icon(col_ix, &col_group, window, cx)),
|
|
)
|
|
.when(movable, |this| {
|
|
this.on_drag(
|
|
DragColumn {
|
|
entity_id,
|
|
col_ix,
|
|
name,
|
|
width: col_group.width,
|
|
},
|
|
|drag, _, _, cx| {
|
|
cx.stop_propagation();
|
|
cx.new(|_| drag.clone())
|
|
},
|
|
)
|
|
.drag_over::<DragColumn>(|this, _, _, cx| {
|
|
this.rounded_l_none()
|
|
.border_l_2()
|
|
.border_r_0()
|
|
.border_color(cx.theme().drag_border)
|
|
})
|
|
.on_drop(cx.listener(
|
|
move |table, drag: &DragColumn, window, cx| {
|
|
// If the drag col is not the same as the drop col, then swap the cols.
|
|
if drag.entity_id != cx.entity_id() {
|
|
return;
|
|
}
|
|
|
|
table.move_column(drag.col_ix, col_ix, window, cx);
|
|
},
|
|
))
|
|
}),
|
|
)
|
|
// resize handle
|
|
.child(self.render_resize_handle(col_ix, window, cx))
|
|
// to save the bounds of this col.
|
|
.child({
|
|
let view = cx.entity().clone();
|
|
canvas(
|
|
move |bounds, _, cx| {
|
|
view.update(cx, |r, _| r.col_groups[col_ix].bounds = bounds)
|
|
},
|
|
|_, _, _, _| {},
|
|
)
|
|
.absolute()
|
|
.size_full()
|
|
})
|
|
}
|
|
|
|
fn render_table_head(
|
|
&mut self,
|
|
left_columns_count: usize,
|
|
window: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) -> impl IntoElement {
|
|
let view = cx.entity().clone();
|
|
let horizontal_scroll_handle = self.horizontal_scroll_handle.clone();
|
|
|
|
// Reset fixed head columns bounds, if no fixed columns are present
|
|
if left_columns_count == 0 {
|
|
self.fixed_head_cols_bounds = Bounds::default();
|
|
}
|
|
|
|
h_flex()
|
|
.w_full()
|
|
.h(self.size.table_row_height())
|
|
.flex_shrink_0()
|
|
.border_b_1()
|
|
.border_color(cx.theme().border)
|
|
.text_color(cx.theme().table_head_foreground)
|
|
.when(left_columns_count > 0, |this| {
|
|
let view = view.clone();
|
|
// Render left fixed columns
|
|
this.child(
|
|
h_flex()
|
|
.relative()
|
|
.h_full()
|
|
.bg(cx.theme().table_head)
|
|
.children(
|
|
self.col_groups
|
|
.iter()
|
|
.filter(|col| col.column.fixed == Some(ColumnFixed::Left))
|
|
.enumerate()
|
|
.map(|(col_ix, _)| self.render_th(col_ix, window, cx)),
|
|
)
|
|
.child(
|
|
// Fixed columns border
|
|
div()
|
|
.absolute()
|
|
.top_0()
|
|
.right_0()
|
|
.bottom_0()
|
|
.w_0()
|
|
.flex_shrink_0()
|
|
.border_r_1()
|
|
.border_color(cx.theme().border),
|
|
)
|
|
.child(
|
|
canvas(
|
|
move |bounds, _, cx| {
|
|
view.update(cx, |r, _| r.fixed_head_cols_bounds = bounds)
|
|
},
|
|
|_, _, _, _| {},
|
|
)
|
|
.absolute()
|
|
.size_full(),
|
|
),
|
|
)
|
|
})
|
|
.child(
|
|
// Columns
|
|
h_flex()
|
|
.id("table-head")
|
|
.size_full()
|
|
.overflow_scroll()
|
|
.relative()
|
|
.track_scroll(&horizontal_scroll_handle)
|
|
.bg(cx.theme().table_head)
|
|
.child(
|
|
h_flex()
|
|
.relative()
|
|
.children(
|
|
self.col_groups
|
|
.iter()
|
|
.skip(left_columns_count)
|
|
.enumerate()
|
|
.map(|(col_ix, _)| {
|
|
self.render_th(left_columns_count + col_ix, window, cx)
|
|
}),
|
|
)
|
|
.child(self.delegate.render_last_empty_col(window, cx)),
|
|
),
|
|
)
|
|
}
|
|
|
|
#[allow(clippy::too_many_arguments)]
|
|
fn render_table_row(
|
|
&mut self,
|
|
row_ix: usize,
|
|
rows_count: usize,
|
|
left_columns_count: usize,
|
|
col_sizes: Rc<Vec<gpui::Size<Pixels>>>,
|
|
columns_count: usize,
|
|
extra_rows_count: usize,
|
|
window: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) -> impl IntoElement {
|
|
let horizontal_scroll_handle = self.horizontal_scroll_handle.clone();
|
|
let is_stripe_row = self.stripe && row_ix % 2 != 0;
|
|
let is_selected = self.selected_row == Some(row_ix);
|
|
let view = cx.entity().clone();
|
|
|
|
if row_ix < rows_count {
|
|
let is_last_row = row_ix == rows_count - 1;
|
|
let table_is_filled = extra_rows_count == 0;
|
|
let need_render_border = if is_last_row {
|
|
if is_selected {
|
|
true
|
|
} else if table_is_filled {
|
|
false
|
|
} else {
|
|
!self.stripe
|
|
}
|
|
} else {
|
|
true
|
|
};
|
|
|
|
let mut tr = self.delegate.render_tr(row_ix, window, cx);
|
|
let style = tr.style().clone();
|
|
|
|
tr.h_flex()
|
|
.w_full()
|
|
.h(self.size.table_row_height())
|
|
.when(need_render_border, |this| {
|
|
this.border_b_1().border_color(cx.theme().table_row_border)
|
|
})
|
|
.when(is_stripe_row, |this| this.bg(cx.theme().table_even))
|
|
.refine_style(&style)
|
|
.hover(|this| {
|
|
if is_selected || self.right_clicked_row == Some(row_ix) {
|
|
this
|
|
} else {
|
|
this.bg(cx.theme().table_hover)
|
|
}
|
|
})
|
|
.when(left_columns_count > 0, |this| {
|
|
// Left fixed columns
|
|
this.child(
|
|
h_flex()
|
|
.relative()
|
|
.h_full()
|
|
.children({
|
|
let mut items = Vec::with_capacity(left_columns_count);
|
|
|
|
(0..left_columns_count).for_each(|col_ix| {
|
|
items.push(self.render_col_wrap(col_ix, window, cx).child(
|
|
self.render_cell(col_ix, window, cx).child(
|
|
self.measure_render_td(row_ix, col_ix, window, cx),
|
|
),
|
|
));
|
|
});
|
|
|
|
items
|
|
})
|
|
.child(
|
|
// Fixed columns border
|
|
div()
|
|
.absolute()
|
|
.top_0()
|
|
.right_0()
|
|
.bottom_0()
|
|
.w_0()
|
|
.flex_shrink_0()
|
|
.border_r_1()
|
|
.border_color(cx.theme().border),
|
|
),
|
|
)
|
|
})
|
|
.child(
|
|
h_flex()
|
|
.flex_1()
|
|
.h_full()
|
|
.overflow_hidden()
|
|
.relative()
|
|
.child(
|
|
crate::virtual_list::virtual_list(
|
|
view,
|
|
row_ix,
|
|
Axis::Horizontal,
|
|
col_sizes,
|
|
{
|
|
move |table, visible_range: Range<usize>, window, cx| {
|
|
table.update_visible_range_if_need(
|
|
visible_range.clone(),
|
|
Axis::Horizontal,
|
|
window,
|
|
cx,
|
|
);
|
|
|
|
let mut items = Vec::with_capacity(
|
|
visible_range.end - visible_range.start,
|
|
);
|
|
|
|
visible_range.for_each(|col_ix| {
|
|
let col_ix = col_ix + left_columns_count;
|
|
let el =
|
|
table.render_col_wrap(col_ix, window, cx).child(
|
|
table.render_cell(col_ix, window, cx).child(
|
|
table.measure_render_td(
|
|
row_ix, col_ix, window, cx,
|
|
),
|
|
),
|
|
);
|
|
|
|
items.push(el);
|
|
});
|
|
|
|
items
|
|
}
|
|
},
|
|
)
|
|
.with_scroll_handle(&self.horizontal_scroll_handle),
|
|
)
|
|
.child(self.delegate.render_last_empty_col(window, cx)),
|
|
)
|
|
// Row selected style
|
|
.when_some(self.selected_row, |this, _| {
|
|
this.when(
|
|
is_selected && self.selection_state == SelectionState::Row,
|
|
|this| {
|
|
this.border_color(gpui::transparent_white()).child(
|
|
div()
|
|
.top(if row_ix == 0 { px(0.) } else { px(-1.) })
|
|
.left(px(0.))
|
|
.right(px(0.))
|
|
.bottom(px(-1.))
|
|
.absolute()
|
|
.bg(cx.theme().table_active)
|
|
.border_1()
|
|
.border_color(cx.theme().table_active_border),
|
|
)
|
|
},
|
|
)
|
|
})
|
|
// Row right click row style
|
|
.when(self.right_clicked_row == Some(row_ix), |this| {
|
|
this.border_color(gpui::transparent_white()).child(
|
|
div()
|
|
.top(if row_ix == 0 { px(0.) } else { px(-1.) })
|
|
.left(px(0.))
|
|
.right(px(0.))
|
|
.bottom(px(-1.))
|
|
.absolute()
|
|
.border_1()
|
|
.border_color(cx.theme().selection),
|
|
)
|
|
})
|
|
.on_mouse_down(
|
|
MouseButton::Left,
|
|
cx.listener(move |this, ev, window, cx| {
|
|
this.on_row_click(ev, row_ix, window, cx);
|
|
}),
|
|
)
|
|
.on_mouse_down(
|
|
MouseButton::Right,
|
|
cx.listener(move |this, ev, window, cx| {
|
|
this.on_row_click(ev, row_ix, window, cx);
|
|
}),
|
|
)
|
|
} else {
|
|
// Render fake rows to fill the rest table space
|
|
self.delegate
|
|
.render_tr(row_ix, window, cx)
|
|
.h_flex()
|
|
.w_full()
|
|
.h_full()
|
|
.border_t_1()
|
|
.border_color(cx.theme().table_row_border)
|
|
.when(is_stripe_row, |this| this.bg(cx.theme().table_even))
|
|
.children((0..columns_count).map(|col_ix| {
|
|
h_flex()
|
|
.left(horizontal_scroll_handle.offset().x)
|
|
.child(self.render_cell(col_ix, window, cx))
|
|
}))
|
|
.child(self.delegate.render_last_empty_col(window, cx))
|
|
}
|
|
}
|
|
|
|
/// Calculate the extra rows needed to fill the table empty space when `stripe` is true.
|
|
fn calculate_extra_rows_needed(&self, rows_count: usize) -> usize {
|
|
let mut extra_rows_needed = 0;
|
|
|
|
let row_height = self.size.table_row_height();
|
|
let total_height = self
|
|
.vertical_scroll_handle
|
|
.0
|
|
.borrow()
|
|
.base_handle
|
|
.bounds()
|
|
.size
|
|
.height;
|
|
|
|
let actual_height = row_height * rows_count as f32;
|
|
let remaining_height = total_height - actual_height;
|
|
|
|
if remaining_height > px(0.) {
|
|
extra_rows_needed = (remaining_height / row_height).ceil() as usize;
|
|
}
|
|
|
|
extra_rows_needed
|
|
}
|
|
|
|
#[inline]
|
|
fn measure_render_td(
|
|
&mut self,
|
|
row_ix: usize,
|
|
col_ix: usize,
|
|
window: &mut Window,
|
|
cx: &mut Context<Self>,
|
|
) -> impl IntoElement {
|
|
if !crate::measure_enable() {
|
|
return self
|
|
.delegate
|
|
.render_td(row_ix, col_ix, window, cx)
|
|
.into_any_element();
|
|
}
|
|
|
|
let start = std::time::Instant::now();
|
|
let el = self.delegate.render_td(row_ix, col_ix, window, cx);
|
|
self._measure.push(start.elapsed());
|
|
el.into_any_element()
|
|
}
|
|
|
|
fn measure(&mut self, _window: &mut Window, _cx: &mut Context<Self>) {
|
|
if !crate::measure_enable() {
|
|
return;
|
|
}
|
|
|
|
// Print avg measure time of each td
|
|
if self._measure.len() > 0 {
|
|
let total = self
|
|
._measure
|
|
.iter()
|
|
.fold(Duration::default(), |acc, d| acc + *d);
|
|
let avg = total / self._measure.len() as u32;
|
|
eprintln!(
|
|
"last render {} cells total: {:?}, avg: {:?}",
|
|
self._measure.len(),
|
|
total,
|
|
avg,
|
|
);
|
|
}
|
|
self._measure.clear();
|
|
}
|
|
}
|
|
|
|
impl<D> Sizable for Table<D>
|
|
where
|
|
D: TableDelegate,
|
|
{
|
|
fn with_size(mut self, size: impl Into<Size>) -> Self {
|
|
self.size = size.into();
|
|
self
|
|
}
|
|
}
|
|
impl<D> Focusable for Table<D>
|
|
where
|
|
D: TableDelegate,
|
|
{
|
|
fn focus_handle(&self, _cx: &gpui::App) -> FocusHandle {
|
|
self.focus_handle.clone()
|
|
}
|
|
}
|
|
impl<D> EventEmitter<TableEvent> for Table<D> where D: TableDelegate {}
|
|
|
|
impl<D> Render for Table<D>
|
|
where
|
|
D: TableDelegate,
|
|
{
|
|
fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
|
|
self.measure(window, cx);
|
|
|
|
let view = cx.entity().clone();
|
|
let vertical_scroll_handle = self.vertical_scroll_handle.clone();
|
|
let horizontal_scroll_handle = self.horizontal_scroll_handle.clone();
|
|
let columns_count: usize = self.delegate.columns_count(cx);
|
|
let left_columns_count = self
|
|
.col_groups
|
|
.iter()
|
|
.filter(|col| self.col_fixed && col.column.fixed == Some(ColumnFixed::Left))
|
|
.count();
|
|
let rows_count = self.delegate.rows_count(cx);
|
|
let loading = self.delegate.loading(cx);
|
|
let extra_rows_count = self.calculate_extra_rows_needed(rows_count);
|
|
let render_rows_count = if self.stripe {
|
|
rows_count + extra_rows_count
|
|
} else {
|
|
rows_count
|
|
};
|
|
|
|
let inner_table = v_flex()
|
|
.key_context("Table")
|
|
.id("table")
|
|
.track_focus(&self.focus_handle)
|
|
.on_action(cx.listener(Self::action_cancel))
|
|
.on_action(cx.listener(Self::action_select_next))
|
|
.on_action(cx.listener(Self::action_select_prev))
|
|
.on_action(cx.listener(Self::action_select_next_col))
|
|
.on_action(cx.listener(Self::action_select_prev_col))
|
|
.size_full()
|
|
.overflow_hidden()
|
|
.child(self.render_table_head(left_columns_count, window, cx))
|
|
.context_menu({
|
|
let view = view.clone();
|
|
move |this, window: &mut Window, cx: &mut Context<PopupMenu>| {
|
|
if let Some(row_ix) = view.read(cx).right_clicked_row {
|
|
view.read(cx)
|
|
.delegate
|
|
.context_menu(row_ix, this, window, cx)
|
|
} else {
|
|
this
|
|
}
|
|
}
|
|
})
|
|
.map(|this| {
|
|
if rows_count == 0 {
|
|
this.child(
|
|
div()
|
|
.size_full()
|
|
.child(self.delegate.render_empty(window, cx)),
|
|
)
|
|
} else {
|
|
this.child(
|
|
h_flex().id("table-body").flex_grow().size_full().child(
|
|
uniform_list(
|
|
"table-uniform-list",
|
|
render_rows_count,
|
|
cx.processor(
|
|
move |table, visible_range: Range<usize>, window, cx| {
|
|
// We must calculate the col sizes here, because the col sizes
|
|
// need render_th first, then that method will set the bounds of each col.
|
|
let col_sizes: Rc<Vec<gpui::Size<Pixels>>> = Rc::new(
|
|
table
|
|
.col_groups
|
|
.iter()
|
|
.skip(left_columns_count)
|
|
.map(|col| col.bounds.size)
|
|
.collect(),
|
|
);
|
|
|
|
table.load_more_if_need(
|
|
rows_count,
|
|
visible_range.end,
|
|
window,
|
|
cx,
|
|
);
|
|
table.update_visible_range_if_need(
|
|
visible_range.clone(),
|
|
Axis::Vertical,
|
|
window,
|
|
cx,
|
|
);
|
|
|
|
if visible_range.end > rows_count {
|
|
table.scroll_to_row(
|
|
std::cmp::min(
|
|
visible_range.start,
|
|
rows_count.saturating_sub(1),
|
|
),
|
|
cx,
|
|
);
|
|
}
|
|
|
|
let mut items = Vec::with_capacity(
|
|
visible_range.end.saturating_sub(visible_range.start),
|
|
);
|
|
|
|
// Render fake rows to fill the table
|
|
visible_range.for_each(|row_ix| {
|
|
// Render real rows for available data
|
|
items.push(table.render_table_row(
|
|
row_ix,
|
|
rows_count,
|
|
left_columns_count,
|
|
col_sizes.clone(),
|
|
columns_count,
|
|
extra_rows_count,
|
|
window,
|
|
cx,
|
|
));
|
|
});
|
|
|
|
items
|
|
},
|
|
),
|
|
)
|
|
.flex_grow()
|
|
.size_full()
|
|
.with_sizing_behavior(ListSizingBehavior::Auto)
|
|
.track_scroll(vertical_scroll_handle)
|
|
.into_any_element(),
|
|
),
|
|
)
|
|
}
|
|
});
|
|
|
|
let view = cx.entity().clone();
|
|
div()
|
|
.size_full()
|
|
.when(self.border, |this| {
|
|
this.rounded(cx.theme().radius)
|
|
.border_1()
|
|
.border_color(cx.theme().border)
|
|
})
|
|
.bg(cx.theme().table)
|
|
.when(loading, |this| {
|
|
this.child(self.delegate().render_loading(self.size, window, cx))
|
|
})
|
|
.when(!loading, |this| {
|
|
this.child(inner_table)
|
|
.child(ScrollableMask::new(
|
|
cx.entity().entity_id(),
|
|
Axis::Horizontal,
|
|
&horizontal_scroll_handle,
|
|
))
|
|
.when(self.right_clicked_row.is_some(), |this| {
|
|
this.on_mouse_down_out(cx.listener(|this, _, _, cx| {
|
|
this.right_clicked_row = None;
|
|
cx.notify();
|
|
}))
|
|
})
|
|
})
|
|
.child(canvas(
|
|
move |bounds, _, cx| view.update(cx, |r, _| r.bounds = bounds),
|
|
|_, _, _, _| {},
|
|
))
|
|
.when(!window.is_inspector_picking(cx), |this| {
|
|
this.child(
|
|
div()
|
|
.absolute()
|
|
.top_0()
|
|
.size_full()
|
|
.when(self.scrollbar_visible.bottom, |this| {
|
|
this.child(self.render_horizontal_scrollbar(window, cx))
|
|
})
|
|
.when(self.scrollbar_visible.right && rows_count > 0, |this| {
|
|
this.children(self.render_vertical_scrollbar(window, cx))
|
|
}),
|
|
)
|
|
})
|
|
}
|
|
}
|