Init

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

internal/ui/diff/view.go

@@ -0,0 +1,94 @@
+package diff
+
+import (
+	"strings"
+
+	tea "charm.land/bubbletea/v2"
+	"charm.land/lipgloss/v2"
+	"github.com/anotherhadi/spilltea/internal/icons"
+	"github.com/anotherhadi/spilltea/internal/style"
+)
+
+func (m Model) View() tea.View {
+	if m.width == 0 {
+		return tea.NewView("Loading...")
+	}
+
+	statusH := strings.Count(m.renderStatusBar(), "\n") + 1
+	panelH := m.height - statusH
+
+	content := lipgloss.JoinVertical(lipgloss.Left,
+		m.renderPanels(panelH),
+		m.renderStatusBar(),
+	)
+	return tea.NewView(content)
+}
+
+func (m *Model) renderPanels(panelH int) string {
+	s := style.S
+
+	leftW := m.width / 2
+	rightW := m.width - leftW
+
+	leftTitle := icons.I.Diff + "First"
+	if m.left.label != "" {
+		leftTitle = icons.I.Diff + "First: " + m.left.label
+	}
+	rightTitle := icons.I.Diff + "Second"
+	if m.right.label != "" {
+		rightTitle = icons.I.Diff + "Second: " + m.right.label
+	}
+
+	leftBorder := s.Panel
+	rightBorder := s.Panel
+	switch m.focus {
+	case bothSlots:
+		leftBorder = s.PanelFocused
+		rightBorder = s.PanelFocused
+	case leftSlot:
+		leftBorder = s.PanelFocused
+	case rightSlot:
+		rightBorder = s.PanelFocused
+	}
+
+	left := style.RenderWithTitle(leftBorder, leftTitle, m.leftViewport.View(), leftW, panelH)
+	right := style.RenderWithTitle(rightBorder, rightTitle, m.rightViewport.View(), rightW, panelH)
+
+	return lipgloss.JoinHorizontal(lipgloss.Top, left, right)
+}
+
+func (m *Model) renderStatusBar() string {
+	return lipgloss.NewStyle().Padding(0, 1).Render(m.help.View(diffKeyMap{width: m.width}))
+}
+
+func renderLeftLines(lines []diffLine) string {
+	s := style.S
+	var sb strings.Builder
+	for _, l := range lines {
+		switch l.kind {
+		case lineRemoved:
+			sb.WriteString(style.Paint(s.Error, "- ") + l.text + "\n")
+		case lineAdded:
+			sb.WriteString("\n")
+		default:
+			sb.WriteString("  " + l.text + "\n")
+		}
+	}
+	return sb.String()
+}
+
+func renderRightLines(lines []diffLine) string {
+	s := style.S
+	var sb strings.Builder
+	for _, l := range lines {
+		switch l.kind {
+		case lineAdded:
+			sb.WriteString(style.Paint(s.Success, "+ ") + l.text + "\n")
+		case lineRemoved:
+			sb.WriteString("\n")
+		default:
+			sb.WriteString("  " + l.text + "\n")
+		}
+	}
+	return sb.String()
+}