WIP components (as built)

file_operation_progress.go

@@ -0,0 +1,125 @@
+package mujica
+
+import (
+	"fmt"
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"mujicaui/icons"
+	"mujicaui/theme"
+)
+
+// FileOperationKind is what a file operation does.
+type FileOperationKind int
+
+const (
+	FileCopy FileOperationKind = iota
+	FileMove
+	FileDelete
+)
+
+// FileOperation is the caller's running operation; counts are of items.
+type FileOperation struct {
+	Kind        FileOperationKind
+	Done, Total int
+	// BytesDone and BytesTotal show the amount when BytesTotal is set.
+	BytesDone, BytesTotal int64
+	// Current is the item in progress.
+	Current string
+	// Conflict names an existing target awaiting a decision.
+	Conflict string
+}
+
+// ConflictChoice answers a name conflict.
+type ConflictChoice int
+
+const (
+	ConflictNone ConflictChoice = iota
+	ConflictReplace
+	ConflictKeepBoth
+	ConflictSkip
+)
+
+// FileOperationResult is the panel and the user's answer this frame.
+type FileOperationResult struct {
+	Element  *ui.Element
+	Canceled bool
+	// Resolved answers a conflict; ApplyAll extends that decision.
+	Resolved ConflictChoice
+	ApplyAll bool
+}
+
+// FileOperationProgress displays progress, cancellation and conflict choices.
+func FileOperationProgress(c *ui.Context, op FileOperation, opts FileOperationOptions) FileOperationResult {
+	if op.Total < 0 || op.Done < 0 || op.Done > op.Total || op.BytesTotal < 0 || op.BytesDone < 0 || op.BytesTotal > 0 && op.BytesDone > op.BytesTotal {
+		panic("mujica: FileOperation counts out of range")
+	}
+	if op.Kind < FileCopy || op.Kind > FileDelete {
+		panic("mujica: FileOperation kind out of range")
+	}
+	k := Tokens(c)
+	u := Density(c).Unit()
+	var res FileOperationResult
+	res.Element = codePanel(c).Padding(u * 4).Gap(u * 3).Disabled(opts.Disabled).Role(ui.RoleGroup)
+	all := ui.Local(res.Element, "file_operation_progress.all", func() bool { return false })
+	disabled := res.Element.IsDisabled()
+	verb := msg(c, [...]string{"file_operation_progress.copying", "file_operation_progress.moving", "file_operation_progress.deleting"}[op.Kind])
+	title := fmt.Sprintf(verb, op.Done, op.Total)
+	res.Element.Label(title)
+	frac := 0.0
+	switch {
+	case op.BytesTotal > 0:
+		frac = float64(op.BytesDone) / float64(op.BytesTotal)
+	case op.Total > 0:
+		frac = float64(op.Done) / float64(op.Total)
+	}
+	res.Element.Children(func() {
+		Progress(c, frac, ProgressOptions{Label: title, ShowValue: true})
+		ui.Row(c).Gap(u * 3).AlignItems(ui.Center).Children(func() {
+			ui.Column(c).Grow(1).MinWidth(0).Children(func() {
+				if op.Current != "" {
+					ui.Text(c, op.Current).FontSize(FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted).SingleLine()
+				}
+				if op.BytesTotal > 0 {
+					ui.Text(c, fmt.Sprintf(msg(c, "file_operation_progress.bytes"), processListBytes(uint64(op.BytesDone)), processListBytes(uint64(op.BytesTotal)))).
+						FontSize(FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted)
+				}
+			})
+			if Button(c, msg(c, "file_operation_progress.cancel"), ButtonOptions{Variant: Secondary}).Clicked() && !disabled {
+				res.Canceled = true
+			}
+		})
+		if op.Conflict == "" {
+			return
+		}
+		ui.Column(c).Gap(u*2).Padding(u*3).Radius(theme.ControlRadius).Border(theme.BorderWidth, k.Warning).Children(func() {
+			ui.Row(c).Gap(u * 2).AlignItems(ui.Center).TextColor(k.Warning).Children(func() {
+				ui.Icon(c, icons.Must("triangle-alert")).Size(16, 16)
+				ui.Text(c, fmt.Sprintf(msg(c, "file_operation_progress.conflict"), op.Conflict)).TextColor(k.Text).Role(ui.RoleStatus)
+			})
+			Checkbox(c, all, msg(c, "file_operation_progress.all"), CheckboxOptions{Disabled: opts.Disabled})
+			ui.Row(c).Gap(u * 2).Justify(ui.End).Children(func() {
+				for _, b := range []struct {
+					key string
+					v   ButtonVariant
+					cho ConflictChoice
+				}{{"file_operation_progress.skip", Ghost, ConflictSkip}, {"file_operation_progress.keepBoth", Secondary, ConflictKeepBoth}, {"file_operation_progress.replace", Danger, ConflictReplace}} {
+					if Button(c, msg(c, b.key), ButtonOptions{Variant: b.v}).Clicked() && !disabled {
+						res.Resolved, res.ApplyAll = b.cho, *all
+					}
+				}
+			})
+		})
+	})
+	if res.Canceled || res.Resolved != ConflictNone {
+		slog.Debug("mujica: file_operation_progress answer", "canceled", res.Canceled, "choice", res.Resolved, "all", res.ApplyAll)
+		*all = false
+	}
+	return res
+}
+
+// FileOperationOptions configure a FileOperationProgress.
+type FileOperationOptions struct {
+	Disabled bool
+}