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package picker
import (
"fmt"
"github.com/ChausseBenjamin/termpicker/internal/colors"
"github.com/ChausseBenjamin/termpicker/internal/slider"
"github.com/ChausseBenjamin/termpicker/internal/ui"
"github.com/charmbracelet/bubbles/key"
tea "github.com/charmbracelet/bubbletea"
)
type Model struct {
title string
active int
sliders []slider.Model
}
func (m *Model) Next() int {
m.active = m.fixSel(m.active + 1)
return m.active
}
func (m *Model) Prev() int {
m.active = m.fixSel(m.active - 1)
return m.active
}
func (m *Model) Sel(i int) int {
m.active = m.fixSel(i)
return m.active
}
func (m Model) fixSel(val int) int {
size := len(m.sliders)
return (val%size + size) % size
}
func New(sliders []slider.Model, title string) *Model {
return &Model{
title: title,
active: 0,
sliders: sliders,
}
}
func (m Model) Title() string {
return m.title
}
func (m Model) GetColor() colors.ColorSpace {
switch m.title {
case "RGB":
return colors.RGB{
R: m.sliders[0].Val(),
G: m.sliders[1].Val(),
B: m.sliders[2].Val(),
}
case "CMYK":
return colors.CMYK{
C: m.sliders[0].Val(),
M: m.sliders[1].Val(),
Y: m.sliders[2].Val(),
K: m.sliders[3].Val(),
}
case "HSL":
return colors.HSL{
H: m.sliders[0].Val(),
S: m.sliders[1].Val(),
L: m.sliders[2].Val(),
}
default: // Default to white if we don't know the color space
return colors.RGB{
R: 255,
G: 255,
B: 255,
}
}
}
func (m Model) SetColor(c colors.ColorSpace) {
p := c.ToPrecise()
switch m.title {
case "RGB":
rgb := colors.RGB{}.FromPrecise(p).(colors.RGB)
m.sliders[0].Set(rgb.R)
m.sliders[1].Set(rgb.G)
m.sliders[2].Set(rgb.B)
case "CMYK":
cmyk := colors.CMYK{}.FromPrecise(p).(colors.CMYK)
m.sliders[0].Set(cmyk.C)
m.sliders[1].Set(cmyk.M)
m.sliders[2].Set(cmyk.Y)
m.sliders[3].Set(cmyk.K)
case "HSL":
hsl := colors.HSL{}.FromPrecise(p).(colors.HSL)
m.sliders[0].Set(hsl.H)
m.sliders[1].Set(hsl.S)
m.sliders[2].Set(hsl.L)
}
}
func (m Model) Init() tea.Cmd {
cmds := []tea.Cmd{}
for _, s := range m.sliders {
cmds = append(cmds, s.Init())
}
return tea.Batch(cmds...)
}
func (m Model) View() string {
var s string
newline := ""
for i, slider := range m.sliders {
if i > 0 {
newline = "\n"
}
if i == m.active {
s += fmt.Sprintf("%v%s %s",
newline,
ui.Style().PickerCursor.Render(ui.PickerSelRune),
slider.View(),
)
} else {
s += fmt.Sprintf("%v %s", newline, slider.View())
}
}
return s
}
func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
keys := newKeybinds()
cmds := []tea.Cmd{}
switch msg := msg.(type) {
case tea.KeyMsg:
switch {
case key.Matches(msg, keys.next):
m.Next()
case key.Matches(msg, keys.prev):
m.Prev()
default:
newActive, cmd := m.sliders[m.active].Update(msg)
m.sliders[m.active] = newActive.(slider.Model)
cmds = append(cmds, cmd)
return m, tea.Batch(cmds...)
}
}
// Keys are only sent to the active sliders
// However, other messages (ex: tick, resize) must be sent to all
for i, s := range m.sliders {
newSlider, cmd := s.Update(msg)
m.sliders[i] = newSlider.(slider.Model)
cmds = append(cmds, cmd)
}
return m, tea.Batch(cmds...)
}
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