206 lines
6.4 KiB
Go
206 lines
6.4 KiB
Go
package code
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import (
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"fmt"
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"log/slog"
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"strings"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/core"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/data"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/icons"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/input"
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)
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// SearchMatch is a hit; Start and End index Text.
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type SearchMatch struct {
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Line int
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Text string
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Start, End int
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}
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// SearchFileResult is a file and its hits.
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type SearchFileResult struct {
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Path string
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Matches []SearchMatch
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}
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// SearchPanelState is a SearchPanel's query, patterns, folded files and place.
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type SearchPanelState struct {
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Query, Include, Exclude string
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// Collapsed holds the paths of folded files.
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Collapsed ui.Selection[string]
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rows ui.ListState
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selected int
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flat []searchRow
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data *SearchFileResult
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n, folded int
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started bool
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}
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type searchRow struct{ file, match int }
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// SearchPanelOptions configure a SearchPanel.
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type SearchPanelOptions struct {
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// Status shows a search in progress or failed.
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Status data.DataStatus
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Error string
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Disabled bool
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}
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// SearchOpen is a hit the user opened.
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type SearchOpen struct {
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Path string
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Line int
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}
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// SearchPanelResult is a SearchPanel and what happened in this frame.
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type SearchPanelResult struct {
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Element *ui.Element
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// Changed asks the caller to search again.
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Changed bool
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Opened *SearchOpen
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}
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// SearchPanel shows search results grouped by file.
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func SearchPanel(c *ui.Context, results []SearchFileResult, s *SearchPanelState, opts SearchPanelOptions) SearchPanelResult {
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if s == nil {
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panic("mujica: SearchPanel needs a state")
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}
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if !s.started {
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s.started, s.selected = true, -1
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}
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d := core.Density(c)
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var res SearchPanelResult
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res.Element = CodePanel(c).Disabled(opts.Disabled)
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disabled := res.Element.IsDisabled()
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res.Element.Children(func() {
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ui.Column(c).Shrink(0).Padding(d.Unit() * 2).Gap(d.Unit() * 2).Children(func() {
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res.Changed = input.SearchInput(c, &s.Query, input.SearchInputOptions{Disabled: opts.Disabled}).Changed()
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ui.Row(c).Gap(d.Unit() * 2).Children(func() {
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for _, f := range []struct {
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v *string
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key string
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}{{&s.Include, "search_panel.include"}, {&s.Exclude, "search_panel.exclude"}} {
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r := input.TextInput(c, f.v, input.TextInputOptions{Placeholder: core.Msg(c, f.key), Label: core.Msg(c, f.key), Disabled: opts.Disabled})
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r.Element.Grow(1).MinWidth(0)
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res.Changed = res.Changed || r.Changed()
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}
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})
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})
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if res.Changed {
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slog.Debug("mujica: search_panel query", "query", s.Query, "include", s.Include, "exclude", s.Exclude)
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}
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searchPanelFlatten(results, s)
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if len(results) == 0 || opts.Status != data.DataReady {
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text := core.Msg(c, "search_panel.idle")
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if s.Query != "" {
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text = core.Msg(c, "search_panel.none")
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}
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res.Changed = data.DataPlaceholder(c, opts.Status, opts.Error, text, text) || res.Changed
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return
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}
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total := 0
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for _, f := range results {
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total += len(f.Matches)
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}
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CodeCaption(c, fmt.Sprintf(core.Msg(c, "search_panel.summary"), total, len(results))).Padding(0, d.Unit()*3, d.Unit(), d.Unit()*3)
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s.rows.Selected = &s.selected
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s.rows.Key = func(i int) any { return s.flat[i] }
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s.rows.Label = func(i int) string { return searchPanelLabel(results, s.flat[i]) }
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list := CodeRows(c, &s.rows, len(s.flat), func(i int) { searchPanelRow(c, results, s, s.flat[i], disabled) })
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if list.Submitted() && !disabled && s.selected >= 0 {
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r := s.flat[s.selected]
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f := results[r.file]
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if r.match < 0 {
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searchPanelFold(s, f.Path, !s.Collapsed.Has(f.Path))
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} else {
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res.Opened = &SearchOpen{Path: f.Path, Line: f.Matches[r.match].Line}
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slog.Debug("mujica: search_panel open", "line", res.Opened.Line)
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}
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}
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if !disabled && s.selected >= 0 && s.flat[s.selected].match < 0 {
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path := results[s.flat[s.selected].file].Path
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switch {
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case list.Shortcut(0, ui.KeyLeft):
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searchPanelFold(s, path, true)
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case list.Shortcut(0, ui.KeyRight):
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searchPanelFold(s, path, false)
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}
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}
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})
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return res
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}
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func searchPanelFold(s *SearchPanelState, path string, fold bool) {
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if fold {
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s.Collapsed.Add(path)
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} else {
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s.Collapsed.Remove(path)
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}
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s.folded = -1
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slog.Debug("mujica: search_panel fold", "folded", fold)
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}
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// searchPanelFlatten relists rows when results or folds change.
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func searchPanelFlatten(results []SearchFileResult, s *SearchPanelState) {
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var first *SearchFileResult
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if len(results) > 0 {
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first = &results[0]
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}
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if s.data == first && s.n == len(results) && s.folded == s.Collapsed.Len() {
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return
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}
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s.data, s.n, s.folded = first, len(results), s.Collapsed.Len()
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s.flat = s.flat[:0]
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for fi, f := range results {
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s.flat = append(s.flat, searchRow{fi, -1})
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if !s.Collapsed.Has(f.Path) {
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for mi := range f.Matches {
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s.flat = append(s.flat, searchRow{fi, mi})
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}
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}
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}
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s.selected = min(s.selected, len(s.flat)-1)
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}
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func searchPanelLabel(results []SearchFileResult, r searchRow) string {
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f := results[r.file]
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if r.match < 0 {
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return f.Path
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}
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m := f.Matches[r.match]
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return fmt.Sprintf("%d %s", m.Line, strings.TrimSpace(m.Text))
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}
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func searchPanelRow(c *ui.Context, results []SearchFileResult, s *SearchPanelState, r searchRow, disabled bool) {
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k := core.Tokens(c)
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f := results[r.file]
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if r.match < 0 {
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chev, key := "chevron-down", "search_panel.fold"
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if s.Collapsed.Has(f.Path) {
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chev, key = "chevron-right", "search_panel.unfold"
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}
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if core.IconAction(c, icons.Must(chev), fmt.Sprintf(core.Msg(c, key), f.Path)).Clicked() && !disabled {
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searchPanelFold(s, f.Path, !s.Collapsed.Has(f.Path))
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}
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ui.Icon(c, icons.Must("file-text")).Size(16, 16).Shrink(0).TextColor(k.TextMuted)
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ui.Text(c, f.Path).FontWeight(600).SingleLine().Grow(1).MinWidth(0)
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CodeCaption(c, fmt.Sprint(len(f.Matches))).Shrink(0)
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return
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}
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m := f.Matches[r.match]
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if m.Start < 0 || m.End > len(m.Text) || m.Start > m.End {
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panic("mujica: SearchMatch range outside its Text")
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}
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CodeMono(c, fmt.Sprint(m.Line)).Width(codeTextWidth(c, "99999")).TextColor(k.TextMuted).Shrink(0).Margin(0, 0, 0, 28)
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from := max(0, m.Start-40)
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before := strings.TrimLeft(m.Text[from:m.Start], " \t")
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if from > 0 {
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before = "…" + before
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}
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spans := []ui.Span{{Text: before}, {Text: m.Text[m.Start:m.End], Background: k.Selection, Underline: true, DecorationColor: k.AccentText, Weight: 600}, {Text: m.Text[m.End:]}}
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ui.RichText(c, spans...).SingleLine().Grow(1).MinWidth(0)
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}
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