Split into category packages; module github.com/ZacharyZhang-NY/MujicaUI

datetime/event_chip.go

@@ -0,0 +1,81 @@
+package datetime
+
+import (
+	"time"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+	"github.com/ZacharyZhang-NY/MujicaUI/internal"
+	"github.com/ZacharyZhang-NY/MujicaUI/theme"
+)
+
+// EventChipOptions configure an EventChip.
+type EventChipOptions struct {
+	// Location is the zone the time shows in; required.
+	Location *time.Location
+	Hour12   bool
+	// Inline puts the start time and title on one line.
+	Inline   bool
+	Selected bool
+	Disabled bool
+}
+
+// EventChip is a clickable, truncating event block.
+func EventChip(c *ui.Context, ev CalendarEvent, opts EventChipOptions) *ui.Element {
+	loc := eventLocation("EventChip", opts.Location)
+	k := core.Tokens(c)
+	d := core.Density(c)
+	col := EventTone(k, ev.Color)
+	when := eventTimeText(c, ev, loc, opts.Hour12)
+	title := ev.Title
+	if title == "" {
+		title = core.Msg(c, "event_chip.untitled")
+	}
+	b := ui.ButtonBase(c).MinHeight(theme.MinHitSize).MinWidth(theme.MinHitSize).Justify(ui.Start).AlignItems(ui.Start).
+		Radius(theme.ControlRadius).Padding(d.Unit(), d.Unit()*2).PaddingX(d.Unit() * 2).Gap(d.Unit()).
+		Label(title + ", " + when).Disabled(opts.Disabled).Clip()
+	internal.Ring(b, k.Focus, theme.ControlRadius)
+	bg := col.Alpha(0.14).Over(k.Surface)
+	switch {
+	case opts.Selected:
+		bg = k.Selection
+	case b.Pressed():
+		bg = col.Alpha(0.24).Over(k.Surface)
+	case b.Hovered():
+		bg = col.Alpha(0.2).Over(k.Surface)
+	}
+	b.Background(bg).Transition(core.ColorFade)
+	if !opts.Inline {
+		b.Column()
+	}
+	b.Draw(func(p *ui.Painter, r ui.Rect) {
+		p.Fill(ui.Rect{X: r.X, Y: r.Y, W: 3, H: r.H}, col, 0)
+	})
+	selected := opts.Selected
+	b.DrawOver(func(p *ui.Painter, r ui.Rect) {
+		if selected {
+			core.DatetimeSelectedMark(p, r, col)
+		}
+	})
+	b.Children(func() {
+		small := core.FontSize(c, theme.CaptionSize)
+		if opts.Inline {
+			ui.Text(c, eventStartText(c, ev, loc, opts.Hour12)).FontSize(small).TextColor(k.TextMuted).SingleLine().Shrink(0).FontFeatures("tnum")
+		}
+		ui.Text(c, title).FontSize(small).Bold().TextColor(k.Text).SingleLine().Ellipsis("…").Shrink(1)
+		if !opts.Inline {
+			ui.Text(c, when).FontSize(small).TextColor(k.TextMuted).SingleLine().Ellipsis("…").FontFeatures("tnum")
+		}
+	})
+	return b
+}
+
+// eventStartText is the start time alone, or "All day".
+func eventStartText(c *ui.Context, ev CalendarEvent, loc *time.Location, hour12 bool) string {
+	if ev.AllDay {
+		return core.Msg(c, "event_chip.all_day")
+	}
+	s := ev.Start.In(loc)
+	return timeText(c, TimeOfDay{s.Hour(), s.Minute(), 0}, timeConfig{hour12: hour12})
+}