Files
tcell-widgets/wdgt_timefield.go
2025-08-18 15:49:03 -05:00

297 lines
7.1 KiB
Go

/*
Copyright © Brian Buller <brian@bullercodeworks.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
package widgets
import (
"fmt"
"time"
wh "git.bullercodeworks.com/brian/tcell-widgets/helpers"
"github.com/gdamore/tcell"
)
type TimeField struct {
id string
label string
style tcell.Style
active bool
visible bool
tabbable bool
x, y int
w, h int
yr, mo, dy int
hr, mn, sc int
value time.Time
hasDate bool
hasTime bool
hasSeconds bool
showNowBtn bool
nowBtnActive bool
cursor int
keyMap KeyMap
}
// TODO: Allow changing the format.
// For now it's just yyyy-mm-dd hh:mm:ss
var _ Widget = (*TimeField)(nil)
func NewTimeField(id string, style tcell.Style) *TimeField {
ret := &TimeField{style: style}
ret.Init(id, style)
return ret
}
func (w *TimeField) Init(id string, style tcell.Style) {
w.id = id
w.style = style
w.hasDate = true
w.hasTime = true
w.showNowBtn = true
w.keyMap = NewKeyMap(map[tcell.Key]func(ev *tcell.EventKey) bool{
tcell.KeyLeft: w.handleLeft,
tcell.KeyRight: w.handleRight,
tcell.KeyHome: w.handleHome,
tcell.KeyEnd: w.handleEnd,
})
w.visible = true
w.tabbable = true
}
func (w *TimeField) Id() string { return w.id }
func (w *TimeField) HandleResize(ev *tcell.EventResize) {
w.w, w.h = ev.Size()
if w.w > w.WantW() {
w.w = w.WantW()
}
if w.h > w.WantH() {
w.h = w.WantH()
}
}
func (w *TimeField) HandleKey(ev *tcell.EventKey) bool {
if !w.active {
return false
}
switch w.cursor {
case 0: // year
case 1: // month
case 2: // day
case 3: // hour
case 4: // minute
case 5: // second
}
return false
}
func (w *TimeField) HandleTime(ev *tcell.EventTime) {}
func (w *TimeField) Draw(screen tcell.Screen) {
if !w.visible {
return
}
dS := w.style.Dim(!w.active)
// pos := w.GetPos()
x := w.x
y := w.y
labelW := len(w.label)
if labelW > 0 {
wh.TitledBorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.label, wh.BRD_SIMPLE, dS, screen)
} else {
wh.BorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, wh.BRD_SIMPLE, dS, screen)
}
x, y = x+1, y+1
if w.hasDate {
yr, mo, dy := w.value.Year(), w.value.Month(), w.value.Day()
for idx, vl := range fmt.Sprintf("%4d%2d%2d", yr, mo, dy) {
if idx == 4 || idx == 7 {
wh.DrawText(x, y, "-", dS, screen)
x++
}
if idx == w.cursor && !w.nowBtnActive {
if w.active {
wh.DrawText(x, y, string(vl), dS.Reverse(true).Blink(true), screen)
} else {
wh.DrawText(x, y, string(vl), dS, screen)
}
} else {
wh.DrawText(x, y, string(vl), dS, screen)
}
x++
}
}
if w.hasTime {
hr, mn, sc := w.value.Hour(), w.value.Minute(), w.value.Second()
txt := fmt.Sprintf("%2d%2d", hr, mn)
if w.hasSeconds {
txt = fmt.Sprintf("%s%2d", txt, sc)
}
for idx, vl := range txt {
if idx == 2 || idx == 5 {
wh.DrawText(x, y, ":", dS, screen)
x++
}
if idx+8 == w.cursor && !w.nowBtnActive {
if w.active {
wh.DrawText(x, y, string(vl), dS.Reverse(true).Blink(true), screen)
} else {
wh.DrawText(x, y, string(vl), dS, screen)
}
} else {
wh.DrawText(x, y, string(vl), dS, screen)
}
x++
}
}
if w.showNowBtn {
x, y = x+w.w-8, y+1
if w.nowBtnActive {
wh.DrawText(x, y, "[ Now ]", dS.Reverse(true), screen)
} else {
wh.DrawText(x, y, "[ Now ]", dS, screen)
}
}
}
func (w *TimeField) Active() bool { return w.active }
func (w *TimeField) SetActive(a bool) { w.active = a }
func (w *TimeField) Visible() bool { return w.visible }
func (w *TimeField) SetVisible(a bool) { w.visible = a }
func (w *TimeField) SetX(x int) { w.x = x }
func (w *TimeField) SetY(y int) { w.y = y }
func (w *TimeField) GetX() int { return w.x }
func (w *TimeField) GetY() int { return w.y }
func (w *TimeField) GetPos() Coord { return Coord{X: w.x, Y: w.y} }
func (w *TimeField) SetPos(c Coord) { w.x, w.y = c.X, c.Y }
func (w *TimeField) SetW(x int) { w.w = x }
func (w *TimeField) SetH(y int) { w.h = y }
func (w *TimeField) GetW() int { return w.w }
func (w *TimeField) GetH() int { return w.y }
func (w *TimeField) SetSize(c Coord) { w.w, w.h = c.X, c.Y }
func (w *TimeField) Focusable() bool { return true }
func (w *TimeField) SetTabbable(b bool) { w.tabbable = b }
func (w *TimeField) Tabbable() bool { return w.tabbable }
func (w *TimeField) WantW() int {
wdt := 0
if w.hasDate {
wdt = 10 // yyyy-mm-dd
}
if w.hasTime {
if w.hasDate {
wdt += 1 // space between date & time
}
if w.hasSeconds {
wdt += 8 // hh:mm:ss
} else {
wdt += 5 // hh:mm
}
}
return wdt + 2
}
func (w *TimeField) WantH() int { return 3 }
func (w *TimeField) MinW() int {
wdt := 0
if w.hasDate {
wdt = 10 // yyyy-mm-dd
}
if w.hasTime {
if w.hasDate {
wdt += 1 // space between date & time
}
if w.hasSeconds {
wdt += 8 // hh:mm:ss
} else {
wdt += 5 // hh:mm
}
}
return wdt + 2
}
func (w *TimeField) MinH() int { return 3 }
func (w *TimeField) SetLabel(lbl string) { w.label = lbl }
func (w *TimeField) SetTime(tm time.Time) { w.value = tm }
func (w *TimeField) SetHasSeconds(b bool) { w.hasSeconds = b }
func (w *TimeField) SetHasTime(b bool) { w.hasTime = b }
func (w *TimeField) SetHasDate(b bool) { w.hasDate = b }
func (w *TimeField) SetValue(v time.Time) { w.value = v }
func (w *TimeField) Value() time.Time { return w.value }
func (w *TimeField) handleLeft(ev *tcell.EventKey) bool {
if w.nowBtnActive {
w.cursor = w.cursorLength()
return true
} else if w.cursor > 0 {
w.cursor--
return true
}
return false
}
func (w *TimeField) handleRight(ev *tcell.EventKey) bool {
if w.cursor < w.cursorLength() {
w.cursor++
return true
} else if !w.nowBtnActive {
w.nowBtnActive = true
return true
}
return false
}
func (w *TimeField) handleHome(ev *tcell.EventKey) bool {
if w.cursor != 0 {
w.cursor = 0
return true
}
return false
}
func (w *TimeField) handleEnd(ev *tcell.EventKey) bool {
l := w.cursorLength()
if w.cursor != l {
w.cursor = w.cursorLength()
return true
}
return false
}
func (w *TimeField) cursorLength() int {
var ret int
if w.hasDate {
ret += 8
}
if w.hasTime {
ret += 4
if w.hasSeconds {
ret += 2
}
}
return ret
}