flagmaker/support.go at main · pydpll/flagmaker · GitHub

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package flagmaker

import (
	"fmt"
	"strings"

	"github.com/charmbracelet/bubbles/key"
	"github.com/charmbracelet/lipgloss"
)

// STYLING

type keyMap struct {
	up           key.Binding
	down         key.Binding
	quitKeys     key.Binding
	interruptKey key.Binding
}

type styles struct {
	Base,
	HeaderText,
	Documentation,
	StatusHeader,
	Highlight,
	ErrorHeaderText,
	Help lipgloss.Style
}

var (
	titleStyle = func() lipgloss.Style {
		b := lipgloss.RoundedBorder()
		b.Right = "├"
		return lipgloss.NewStyle().BorderStyle(b).Padding(0, 1)
	}()

	infoStyle = func() lipgloss.Style {
		b := lipgloss.RoundedBorder()
		b.Left = "┤"
		return titleStyle.Copy().BorderStyle(b)
	}()
)

var (
	red    = lipgloss.AdaptiveColor{Light: "#FE5F86", Dark: "#FE5F86"}
	indigo = lipgloss.AdaptiveColor{Light: "#5A56E0", Dark: "#7571F9"}
	green  = lipgloss.AdaptiveColor{Light: "#02BA84", Dark: "#02BF87"}
)

func newStyles(lg *lipgloss.Renderer) *styles {
	s := styles{}
	s.Base = lg.NewStyle().
		Padding(1, 4, 0, 1)
	s.HeaderText = lg.NewStyle().
		Foreground(indigo).
		Bold(true).
		Padding(0, 1, 0, 2)
	s.Documentation = lg.NewStyle().
		Border(lipgloss.RoundedBorder()).
		BorderForeground(indigo).
		PaddingLeft(1).
		MarginTop(1)
	s.StatusHeader = lg.NewStyle().
		Foreground(green).
		Bold(true)
	s.Highlight = lg.NewStyle().
		Foreground(lipgloss.Color("212"))
	s.ErrorHeaderText = s.HeaderText.Copy().
		Foreground(red)
	s.Help = lg.NewStyle().
		Foreground(lipgloss.Color("240"))
	return &s
}

var km = keyMap{
	up: key.NewBinding(
		key.WithKeys("k"),
		key.WithHelp("↑/k", "move up"),
	),
	down: key.NewBinding(
		key.WithKeys("j", ""),
		key.WithHelp("↓/j", "move down"),
	),
	quitKeys: key.NewBinding(
		key.WithKeys("q", "esc"),
		key.WithHelp("", "press q to quit"),
	),
	interruptKey: key.NewBinding(
		key.WithKeys("ctrl+c"),
	),
}

// LAYOUT

func (m model) headerView() string {
	title := titleStyle.Render(m.title)
	line := strings.Repeat("─", max(0, m.viewport.Width-lipgloss.Width(title)))
	return lipgloss.JoinHorizontal(lipgloss.Center, title, line)
}

func (m model) footerView() string {
	info := infoStyle.Render(fmt.Sprintf("%3.f%%", m.viewport.ScrollPercent()*100))
	line := strings.Repeat("─", max(0, m.viewport.Width-lipgloss.Width(info)))
	return lipgloss.JoinHorizontal(lipgloss.Center, line, info)
}

func (m model) errorView() string {
	var s string
	for _, err := range m.form.Errors() {
		s += err.Error()
	}
	return s
}

func (m model) appBoundaryView(text string) string {
	return lipgloss.PlaceHorizontal(
		m.width,
		lipgloss.Left,
		m.styles.HeaderText.Render(text),
		lipgloss.WithWhitespaceChars("/"),
		lipgloss.WithWhitespaceForeground(indigo),
	)
}

func (m model) appErrorBoundaryView(text string) string {
	return lipgloss.PlaceHorizontal(
		m.width,
		lipgloss.Left,
		m.styles.ErrorHeaderText.Render(text),
		lipgloss.WithWhitespaceChars("/"),
		lipgloss.WithWhitespaceForeground(red),
	)
}