Files
MujicaUI/checkpoint_list.go
T

120 lines
3.4 KiB
Go

package mujica
import (
"fmt"
"log/slog"
"github.com/egoist/mygo/ui"
"mujicaui/internal"
"mujicaui/theme"
)
// Checkpoint is a saved point to roll back to.
type Checkpoint struct {
ID string
Label string
Note string
}
// CheckpointListOptions configure a CheckpointList.
type CheckpointListOptions struct {
// MaxHeight caps the scrolling list; zero means 360.
MaxHeight float32
Disabled bool
}
type checkpointListState struct {
asking bool
target string
}
// CheckpointList marks the current point and confirms rollbacks.
func CheckpointList(c *ui.Context, current *string, points []Checkpoint, opts CheckpointListOptions) ChoiceResult {
if current == nil {
panic("mujica: CheckpointList needs current")
}
if opts.MaxHeight < 0 {
panic("mujica: CheckpointList MaxHeight is negative")
}
seen := map[string]bool{}
for i, p := range points {
if p.ID == "" || p.Label == "" || seen[p.ID] {
panic(fmt.Sprintf("mujica: CheckpointList point %d needs a unique ID and a Label", i))
}
seen[p.ID] = true
}
maxH := opts.MaxHeight
if maxH == 0 {
maxH = 360
}
k := Tokens(c)
var r ChoiceResult
r.Element = ui.Column(c).Shrink(0).Disabled(opts.Disabled).Label(msg(c, "checkpoint_list.label"))
st := ui.Local(r.Element, "mujica.checkpoints", func() checkpointListState { return checkpointListState{} })
locked := r.Element.IsDisabled()
if locked {
st.asking = false // a disabled list closes its confirmation
}
r.Element.Children(func() {
if len(points) == 0 {
agentCaption(c, msg(c, "checkpoint_list.empty"))
return
}
agentRows(c, len(points), func(i int) {
if checkpointRow(c, points[i], points[i].ID == *current, locked) {
st.asking, st.target = true, points[i].ID
}
}).Shrink(1).MaxHeight(maxH).Background(k.Surface).Border(theme.BorderWidth, k.Border).
Radius(theme.CardRadius).Dividers(theme.BorderWidth, k.Border)
label := st.target
for _, p := range points {
if p.ID == st.target {
label = p.Label
}
}
res := AlertDialog(c, &st.asking, AlertDialogOptions{Title: fmt.Sprintf(msg(c, "checkpoint_list.confirm"), label),
Description: msg(c, "checkpoint_list.warning"), ConfirmLabel: msg(c, "checkpoint_list.rollback")})
if res.Confirmed && !locked && seen[st.target] {
*current, r.changed = st.target, true
slog.Debug("mujica: checkpoint_list rollback", "to", st.target)
}
})
return r
}
// checkpointRow shows one checkpoint and reports a rollback request.
func checkpointRow(c *ui.Context, p Checkpoint, current, locked bool) bool {
k := Tokens(c)
d := Density(c)
u := d.Unit()
asked := false
row := ui.Row(c).Key(p.ID).Gap(u*3).AlignItems(ui.Center).MinHeight(d.ControlHeight()+u*2).Padding(u*2, u*3)
if current {
row.Background(k.Selection)
}
row.Children(func() {
ui.Box(c).Size(14, 14).Shrink(0).Draw(func(pt *ui.Painter, r ui.Rect) {
cx, cy := internal.Snap(pt, r.X+r.W/2), internal.Snap(pt, r.Y+r.H/2)
if current {
pt.FillPath(internal.Diamond(cx, cy, 12), k.AccentText)
return
}
pt.StrokePath(internal.Diamond(cx, cy, 10), 1.5, k.ControlBorder)
})
ui.Column(c).Grow(1).Shrink(1).Gap(u / 2).Children(func() {
ui.Text(c, p.Label).FontWeight(600).SingleLine()
if p.Note != "" {
agentCaption(c, p.Note)
}
})
if current {
agentCaption(c, msg(c, "checkpoint_list.current"))
return
}
asked = agentToggle(c, msg(c, "checkpoint_list.rollback"), "refresh-cw", locked)
})
row.Label(p.Label)
return asked
}