Working on Tag Editor

ui/widdle_addtagtotimers.go

@@ -0,0 +1,195 @@
+package ui
+
+import (
+	"git.bullercodeworks.com/brian/wandle"
+	"git.bullercodeworks.com/brian/widdles"
+	"github.com/nsf/termbox-go"
+)
+
+/*
+ * A widdle to prompt the user for a tag key and value
+ */
+type PromptForTagWiddle struct {
+	active     bool
+	x, y, w, h int
+
+	origKey, origVal string
+
+	keyInput *widdles.ToggleField
+	valInput *widdles.ToggleField
+
+	cancelButton *widdles.Button
+	doneButton   *widdles.Button
+
+	msg string
+}
+
+var _ widdles.Widdle = (*PromptForTagWiddle)(nil)
+
+func NewPromptForTagWiddle(x, y, w, h int, key, val string) *PromptForTagWiddle {
+	keyInp := widdles.NewToggleField("Key", key, 0, 0, 0, 0)
+	keyInp.SetActive(true)
+	return &PromptForTagWiddle{
+		x: x, y: y, w: w, h: h,
+		origKey: key, origVal: val,
+		keyInput:     keyInp,
+		valInput:     widdles.NewToggleField("Value", val, 0, 0, 0, 0),
+		cancelButton: widdles.NewButton("Cancel", 0, 0, 0, 0),
+		doneButton:   widdles.NewButton("Done", 0, 0, 0, 0),
+	}
+}
+
+func (w *PromptForTagWiddle) Init() wandle.Cmd {
+	return func() wandle.Msg {
+		w.Measure()
+		return nil
+	}
+}
+func (w *PromptForTagWiddle) Update(msg wandle.Msg) wandle.Cmd {
+	if w.active {
+		// Make sure a widdle is active
+		var found bool
+		for _, wdl := range []widdles.Widdle{w.keyInput, w.valInput, w.cancelButton, w.doneButton} {
+			if wdl.IsActive() {
+				found = true
+				break
+			}
+		}
+		if !found {
+			w.keyInput.SetActive(true)
+		}
+		if msg, ok := msg.(termbox.Event); ok {
+			return w.handleTermboxEvent(msg)
+		}
+	}
+	return nil
+}
+func (w *PromptForTagWiddle) View(style wandle.Style) {
+	title := "Add Tag"
+	if w.origKey != "" {
+		title = "Edit Tag"
+	}
+	wandle.TitledBorderFilled(title, w.x, w.y, w.x+w.w, w.y+w.h, style, wandle.BRD_CSIMPLE)
+	w.keyInput.View(style)
+	w.valInput.View(style)
+	w.cancelButton.View(style)
+	w.doneButton.View(style)
+	wandle.Print(w.x+1, w.y+w.h-2, style, w.msg)
+}
+
+func (w *PromptForTagWiddle) IsActive() bool   { return w.active }
+func (w *PromptForTagWiddle) SetActive(b bool) { w.active = b }
+func (w *PromptForTagWiddle) Focusable() bool  { return true }
+func (w *PromptForTagWiddle) SetX(x int) {
+	w.x = x
+	w.Measure()
+}
+func (w *PromptForTagWiddle) GetX() int { return w.x }
+func (w *PromptForTagWiddle) SetY(y int) {
+	w.y = y
+	w.Measure()
+}
+func (w *PromptForTagWiddle) GetY() int { return w.y }
+func (w *PromptForTagWiddle) SetHeight(h int) {
+	w.h = h
+	w.Measure()
+}
+func (w *PromptForTagWiddle) GetHeight() int {
+	//if w.h == widdles.AUTO_SIZE { }
+	return w.h
+}
+func (w *PromptForTagWiddle) SetWidth(v int) {
+	w.w = v
+	w.Measure()
+}
+func (w *PromptForTagWiddle) GetWidth() int {
+	//if w.w == widdles.AUTO_SIZE { }
+	return w.w
+}
+func (w *PromptForTagWiddle) Measure() {
+	w.keyInput.SetX(w.x + 1)
+	w.keyInput.SetY(w.y + 1)
+	w.keyInput.SetWidth(w.w - 2)
+	w.keyInput.SetHeight(1)
+
+	w.valInput.SetX(w.x + 1)
+	w.valInput.SetY(w.y + 2)
+	w.valInput.SetWidth(w.w - 2)
+	w.valInput.SetHeight(1)
+
+	w.doneButton.SetX(w.x + w.w - 9)
+	w.doneButton.SetY(w.y + w.h - 1)
+	w.doneButton.SetWidth(8)
+	w.doneButton.SetHeight(1)
+
+	w.cancelButton.SetX(w.doneButton.GetX() - 12)
+	w.cancelButton.SetY(w.y + w.h - 1)
+	w.cancelButton.SetWidth(10)
+	w.cancelButton.SetHeight(1)
+}
+
+func (w *PromptForTagWiddle) handleTermboxEvent(msg termbox.Event) wandle.Cmd {
+	if msg.Key == termbox.KeyEnter {
+		if w.keyInput.IsEditable() {
+			w.keyInput.SetActive(false)
+			w.keyInput.SetEditable(false)
+			w.valInput.SetActive(true)
+			w.valInput.SetEditable(true)
+			return wandle.EmptyCmd
+		} else if w.valInput.IsEditable() {
+			w.valInput.SetActive(false)
+			w.valInput.SetEditable(false)
+			if w.keyInput.GetValue() != "" && w.valInput.GetValue() != "" {
+				w.doneButton.SetActive(true)
+			} else {
+				w.cancelButton.SetActive(true)
+			}
+			return wandle.EmptyCmd
+		}
+	}
+	widdles := []widdles.Widdle{w.keyInput, w.valInput, w.cancelButton, w.doneButton}
+	for _, wdl := range widdles {
+		if wdl.IsActive() {
+			if ret := wdl.Update(msg); ret != nil {
+				return ret
+			}
+		}
+	}
+	if msg.Ch == 'j' || msg.Key == termbox.KeyArrowDown || msg.Key == termbox.KeyArrowRight {
+		for i := range widdles {
+			if widdles[i].IsActive() {
+				return func() wandle.Msg {
+					widdles[i].SetActive(false)
+					next := ((i + 1) + len(widdles)) % len(widdles)
+					widdles[next].SetActive(true)
+					return nil
+				}
+			}
+		}
+	} else if msg.Ch == 'k' || msg.Key == termbox.KeyArrowUp || msg.Key == termbox.KeyArrowLeft {
+		for i := range widdles {
+			if widdles[i].IsActive() {
+				return func() wandle.Msg {
+					widdles[i].SetActive(false)
+					next := ((i - 1) + len(widdles)) % len(widdles)
+					widdles[next].SetActive(true)
+					return nil
+				}
+			}
+		}
+	}
+	return nil
+}
+func (w *PromptForTagWiddle) SetTag(key, val string) {
+	w.origKey, w.origVal = key, val
+	w.keyInput.SetValue(key)
+	if key == "" && val == "" {
+		w.keyInput.SetEditable(true)
+	}
+	w.valInput.SetValue(val)
+}
+
+func (w *PromptForTagWiddle) ClearCancelCommand()                    { w.SetCancelCommand(wandle.EmptyCmd) }
+func (w *PromptForTagWiddle) SetCancelCommand(cmd func() wandle.Msg) { w.cancelButton.SetCommand(cmd) }
+func (w *PromptForTagWiddle) ClearDoneCommand()                      { w.SetDoneCommand(wandle.EmptyCmd) }
+func (w *PromptForTagWiddle) SetDoneCommand(cmd func() wandle.Msg)   { w.doneButton.SetCommand(cmd) }