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|
package layout
import (
"github.com/charmbracelet/bubbles/key"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
)
type SinglePaneLayout interface {
tea.Model
Focusable
Sizeable
Bindings
Pane() tea.Model
}
type singlePaneLayout struct {
width int
height int
focusable bool
focused bool
bordered bool
borderText map[BorderPosition]string
content tea.Model
padding []int
activeColor lipgloss.TerminalColor
}
type SinglePaneOption func(*singlePaneLayout)
func (s *singlePaneLayout) Init() tea.Cmd {
return s.content.Init()
}
func (s *singlePaneLayout) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
s.SetSize(msg.Width, msg.Height)
return s, nil
}
u, cmd := s.content.Update(msg)
s.content = u
return s, cmd
}
func (s *singlePaneLayout) View() string {
style := lipgloss.NewStyle().Width(s.width).Height(s.height)
if s.bordered {
style = style.Width(s.width - 2).Height(s.height - 2)
}
if s.padding != nil {
style = style.Padding(s.padding...)
}
content := style.Render(s.content.View())
if s.bordered {
if s.borderText == nil {
s.borderText = map[BorderPosition]string{}
}
if bordered, ok := s.content.(Bordered); ok {
s.borderText = bordered.BorderText()
}
return Borderize(content, BorderOptions{
Active: s.focused,
EmbeddedText: s.borderText,
})
}
return content
}
func (s *singlePaneLayout) Blur() tea.Cmd {
if s.focusable {
s.focused = false
}
if blurable, ok := s.content.(Focusable); ok {
return blurable.Blur()
}
return nil
}
func (s *singlePaneLayout) Focus() tea.Cmd {
if s.focusable {
s.focused = true
}
if focusable, ok := s.content.(Focusable); ok {
return focusable.Focus()
}
return nil
}
func (s *singlePaneLayout) SetSize(width, height int) {
s.width = width
s.height = height
childWidth, childHeight := s.width, s.height
if s.bordered {
childWidth -= 2
childHeight -= 2
}
if s.padding != nil {
if len(s.padding) == 1 {
childWidth -= s.padding[0] * 2
childHeight -= s.padding[0] * 2
} else if len(s.padding) == 2 {
childWidth -= s.padding[0] * 2
childHeight -= s.padding[1] * 2
} else if len(s.padding) == 3 {
childWidth -= s.padding[0] * 2
childHeight -= s.padding[1] + s.padding[2]
} else if len(s.padding) == 4 {
childWidth -= s.padding[0] + s.padding[2]
childHeight -= s.padding[1] + s.padding[3]
}
}
if s.content != nil {
if c, ok := s.content.(Sizeable); ok {
c.SetSize(childWidth, childHeight)
}
}
}
func (s *singlePaneLayout) IsFocused() bool {
return s.focused
}
func (s *singlePaneLayout) GetSize() (int, int) {
return s.width, s.height
}
func (s *singlePaneLayout) BindingKeys() []key.Binding {
if b, ok := s.content.(Bindings); ok {
return b.BindingKeys()
}
return []key.Binding{}
}
func (s *singlePaneLayout) Pane() tea.Model {
return s.content
}
func NewSinglePane(content tea.Model, opts ...SinglePaneOption) SinglePaneLayout {
layout := &singlePaneLayout{
content: content,
}
for _, opt := range opts {
opt(layout)
}
return layout
}
func WithSinglePaneSize(width, height int) SinglePaneOption {
return func(opts *singlePaneLayout) {
opts.width = width
opts.height = height
}
}
func WithSinglePaneFocusable(focusable bool) SinglePaneOption {
return func(opts *singlePaneLayout) {
opts.focusable = focusable
}
}
func WithSinglePaneBordered(bordered bool) SinglePaneOption {
return func(opts *singlePaneLayout) {
opts.bordered = bordered
}
}
func WithSinglePaneBorderText(borderText map[BorderPosition]string) SinglePaneOption {
return func(opts *singlePaneLayout) {
opts.borderText = borderText
}
}
func WithSinglePanePadding(padding ...int) SinglePaneOption {
return func(opts *singlePaneLayout) {
opts.padding = padding
}
}
func WithSinglePaneActiveColor(color lipgloss.TerminalColor) SinglePaneOption {
return func(opts *singlePaneLayout) {
opts.activeColor = color
}
}
|
