96 lines
3.0 KiB
Go
96 lines
3.0 KiB
Go
package code
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import (
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"log/slog"
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"github.com/egoist/mygo/ui"
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"github.com/ZacharyZhang-NY/MujicaUI/core"
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"github.com/ZacharyZhang-NY/MujicaUI/icons"
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"github.com/ZacharyZhang-NY/MujicaUI/input"
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"github.com/ZacharyZhang-NY/MujicaUI/theme"
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)
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// OutputChannel is a named stream of ANSI lines.
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type OutputChannel struct {
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Name string
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Lines []string
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}
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// OutputPanelState is the channel, following and place.
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type OutputPanelState struct {
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Channel int
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// Follow keeps the newest line in view; it starts on.
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Follow bool
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rows ui.ListState
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shown int
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started bool
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}
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// OutputPanelOptions configure an OutputPanel.
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type OutputPanelOptions struct {
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Disabled bool
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}
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// OutputPanelResult is an OutputPanel and what happened in this frame.
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type OutputPanelResult struct {
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Element *ui.Element
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// Cleared names a channel to clear.
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Changed bool
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Cleared string
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}
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// OutputPanel shows one channel, following its tail.
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func OutputPanel(c *ui.Context, channels []OutputChannel, s *OutputPanelState, opts OutputPanelOptions) OutputPanelResult {
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if s == nil || len(channels) == 0 {
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panic("mujica: OutputPanel needs a state and a channel")
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}
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if s.Channel < 0 || s.Channel >= len(channels) {
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panic("mujica: OutputPanel Channel out of range")
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}
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if !s.started {
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s.started, s.Follow, s.shown = true, true, s.Channel
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}
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var res OutputPanelResult
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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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CodeHeader(c, func() {
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options := make([]input.SelectOption[int], len(channels))
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for i, ch := range channels {
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options[i] = input.SelectOption[int]{Value: i, Label: ch.Name}
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}
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if input.Select(c, &s.Channel, options, input.SelectOptions{Label: core.Msg(c, "output_panel.channel"), Disabled: opts.Disabled}).Changed() {
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res.Changed = true
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slog.Debug("mujica: output_panel channel", "channel", s.Channel)
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}
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ui.Spacer(c)
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was := s.Follow
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if input.Toggle(c, &s.Follow, core.Msg(c, "log_viewer.follow"), input.ToggleOptions{Disabled: opts.Disabled}).Changed() && s.Follow && !was {
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s.rows.ScrollToEnd()
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}
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if core.IconAction(c, icons.Must("trash-2"), core.Msg(c, "output_panel.clear")).Disabled(opts.Disabled).Clicked() && !disabled {
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res.Cleared = channels[s.Channel].Name
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slog.Debug("mujica: output_panel clear", "channel", s.Channel)
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}
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})
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if s.shown != s.Channel {
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s.shown, s.rows = s.Channel, ui.ListState{}
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}
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lines := channels[s.Channel].Lines
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if len(lines) == 0 {
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CodeCaption(c, core.Msg(c, "output_panel.empty")).Padding(core.Density(c).Unit() * 4)
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return
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}
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d := core.Density(c)
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s.rows.FollowEnd = s.Follow
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s.rows.Label = func(i int) string { return lines[i] }
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ui.List(c, &s.rows, len(lines), func(i int) {
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ui.Row(c).MinHeight(d.ControlHeight()).Padding(0, d.Unit()*3).AlignItems(ui.Center).Children(func() {
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ui.RichText(c, CodeAnsiSpans(c, lines[i])...).Font(theme.MonoFont).FontSize(core.FontSize(c, CodeSize)).Grow(1).MinWidth(0)
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})
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}).Grow(1).MinHeight(d.ControlHeight()*3).Padding(d.Unit(), 0)
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})
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return res
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}
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