mirror of
https://github.com/lukaszraczylo/kportal.git
synced 2026-07-07 06:25:43 +00:00
style: Extract UI constants and refactor main view rendering (#30)
- [x] Add golangci-lint configuration with gocritic ifElseChain disabled
- [x] Rename error variables to avoid shadowing (createErr, watcherErr, watchErr, etc.)
- [x] Replace `interface{}` with `any` type alias throughout codebase
- [x] Add package-level documentation comments to all internal packages
- [x] Reorder struct fields alphabetically for consistency
- [x] Extract UI constants (terminal dimensions, column widths, colors) to constants.go
- [x] Refactor BubbleTeaUI main view rendering into smaller helper functions
- [x] Simplify nested conditionals and improve code clarity
- [x] Add `isForwardDisabled()` helper method to BubbleTeaUI
- [x] Update file permissions from 0644 to 0600 in config tests
- [x] Add `#nosec` comments and error suppression where appropriate
- [x] Improve test table struct field ordering for readability
- [x] Fix resource parsing in AddForward using strings.SplitN
- [x] Add comprehensive tests for new UI helper functions and constants
This commit is contained in:
GitHub
+349
-236
@@ -1,3 +1,22 @@
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// Package ui provides the terminal user interface for kportal using bubbletea.
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// It displays port-forward status in an interactive table and provides wizards
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// for adding, editing, and removing forwards.
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//
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// The main components are:
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// - BubbleTeaUI: The interactive TUI with table display and modal dialogs
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// - TableUI: A simpler non-interactive status display for verbose mode
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// - Wizards: Step-by-step interfaces for configuration changes
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// - Controller: Coordinates UI with the forward manager
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//
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// Key bindings in the main view:
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// - ↑↓/jk: Navigate forwards
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// - Space: Toggle forward enabled/disabled
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// - n: New forward wizard
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// - e: Edit forward wizard
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// - d: Delete forward
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// - b: Benchmark forward
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// - l: View HTTP logs
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// - q: Quit
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package ui
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import (
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@@ -35,8 +54,8 @@ type ForwardErrorMsg struct {
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// ForwardAddMsg is sent when a new forward is added
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type ForwardAddMsg struct {
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ID string
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Forward *ForwardStatus
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ID string
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}
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// ForwardRemoveMsg is sent when a forward is removed
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@@ -50,48 +69,32 @@ type HTTPLogSubscriber func(forwardID string, callback func(entry HTTPLogEntry))
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// BubbleTeaUI is a bubbletea-based terminal UI
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type BubbleTeaUI struct {
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mu sync.RWMutex
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program *tea.Program
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forwards map[string]*ForwardStatus
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forwardOrder []string
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selectedIndex int
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disabledMap map[string]bool
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toggleCallback func(id string, enable bool)
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version string
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errors map[string]string // Track error messages by forward ID
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// Update notification
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updateAvailable bool
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updateVersion string
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updateURL string
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// Modal wizard state
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viewMode ViewMode
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addWizard *AddWizardState
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removeWizard *RemoveWizardState
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// Delete confirmation state
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deleteConfirming bool
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discovery *k8s.Discovery
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program *tea.Program
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forwards map[string]*ForwardStatus
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benchmarkState *BenchmarkState
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httpLogSubscriber HTTPLogSubscriber
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disabledMap map[string]bool
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toggleCallback func(id string, enable bool)
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httpLogCleanup func()
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httpLogState *HTTPLogState
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errors map[string]string
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mutator *config.Mutator
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removeWizard *RemoveWizardState
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addWizard *AddWizardState
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updateVersion string
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updateURL string
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configPath string
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deleteConfirmID string
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deleteConfirmAlias string
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deleteConfirmCursor int // 0 = Yes, 1 = No
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// Benchmark state
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benchmarkState *BenchmarkState
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// HTTP log viewing state
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httpLogState *HTTPLogState
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// Log callback cleanup function
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httpLogCleanup func()
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// Dependencies for wizards
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discovery *k8s.Discovery
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mutator *config.Mutator
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configPath string
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// Manager for accessing workers
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httpLogSubscriber HTTPLogSubscriber
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version string
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forwardOrder []string
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viewMode ViewMode
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deleteConfirmCursor int
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selectedIndex int
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mu sync.RWMutex
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deleteConfirming bool
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updateAvailable bool
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}
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// bubbletea model
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@@ -168,6 +171,8 @@ func (ui *BubbleTeaUI) AddForward(id string, fwd *config.Forward) {
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if existing, ok := ui.forwards[id]; ok {
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existing.Status = "Starting"
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ui.disabledMap[id] = false
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// Clear any previous error when re-enabling
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delete(ui.errors, id)
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ui.mu.Unlock()
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if ui.program != nil {
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@@ -176,15 +181,12 @@ func (ui *BubbleTeaUI) AddForward(id string, fwd *config.Forward) {
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return
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}
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// Parse resource
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// Parse resource (e.g., "pod/my-app" -> type="pod", name="my-app")
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resourceType := "pod"
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resourceName := fwd.Resource
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for idx := 0; idx < len(fwd.Resource); idx++ {
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if fwd.Resource[idx] == '/' {
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resourceType = fwd.Resource[:idx]
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resourceName = fwd.Resource[idx+1:]
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break
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}
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if parts := strings.SplitN(fwd.Resource, "/", 2); len(parts) == 2 {
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resourceType = parts[0]
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resourceName = parts[1]
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}
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alias := fwd.Alias
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@@ -380,10 +382,10 @@ func (m model) View() string {
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// Fallback to reasonable defaults if dimensions not yet received
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if termWidth == 0 {
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termWidth = 120
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termWidth = DefaultTermWidth
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}
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if termHeight == 0 {
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termHeight = 40
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termHeight = DefaultTermHeight
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}
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// Overlay delete confirmation if active
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@@ -411,28 +413,98 @@ func (m model) View() string {
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}
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}
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// mainViewColors holds the color palette for the main view
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type mainViewColors struct {
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header lipgloss.Color
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active lipgloss.Color
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warning lipgloss.Color
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errorColor lipgloss.Color
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muted lipgloss.Color
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selectedBg lipgloss.Color
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selectedFg lipgloss.Color
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}
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// defaultMainViewColors returns the default color palette
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func defaultMainViewColors() mainViewColors {
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return mainViewColors{
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header: lipgloss.Color("220"), // Yellow
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active: lipgloss.Color("46"), // Green
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warning: lipgloss.Color("220"), // Yellow
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errorColor: lipgloss.Color("196"), // Red
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muted: lipgloss.Color("240"), // Gray
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selectedBg: lipgloss.Color("240"), // Gray background
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selectedFg: lipgloss.Color("230"), // Light foreground
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}
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}
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// keyBinding represents a keyboard shortcut and its description
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type keyBinding struct {
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key string
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desc string
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}
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// mainViewKeyBindings returns the key bindings for the main view
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func mainViewKeyBindings() []keyBinding {
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return []keyBinding{
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{"↑↓/jk", "Navigate"},
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{"Space", "Toggle"},
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{"n", "New"},
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{"e", "Edit"},
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{"d", "Delete"},
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{"b", "Bench"},
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{"l", "Logs"},
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{"q", "Quit"},
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}
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}
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func (m model) renderMainView() string {
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m.ui.mu.RLock()
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defer m.ui.mu.RUnlock()
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var b strings.Builder
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colors := defaultMainViewColors()
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// Get terminal dimensions for proper sizing
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termHeight := m.termHeight
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if termHeight == 0 {
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termHeight = 40 // Fallback
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termWidth, termHeight := m.getTermDimensions()
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// Render title header
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b.WriteString(m.renderTitle(colors.header))
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// Render forwards table or empty message
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if len(m.ui.forwardOrder) == 0 {
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b.WriteString(m.renderEmptyMessage(colors.muted))
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} else {
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b.WriteString(m.renderForwardsTable(colors))
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}
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// Color palette
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headerColor := lipgloss.Color("220") // Yellow
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activeColor := lipgloss.Color("46") // Green
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warningColor := lipgloss.Color("220") // Yellow
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errorColor := lipgloss.Color("196") // Red
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mutedColor := lipgloss.Color("240") // Gray
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selectedBg := lipgloss.Color("240") // Gray background
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selectedFg := lipgloss.Color("230") // Light foreground
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// Render error section if any errors exist
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if len(m.ui.errors) > 0 {
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b.WriteString(m.renderErrorSection())
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}
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// Render footer with proper spacing
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b.WriteString(m.renderFooterWithSpacing(termWidth, termHeight, &b))
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return b.String()
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}
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// getTermDimensions returns terminal dimensions with fallback defaults
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func (m model) getTermDimensions() (width, height int) {
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width = m.termWidth
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height = m.termHeight
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if width == 0 {
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width = DefaultTermWidth
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}
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if height == 0 {
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height = DefaultTermHeight
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}
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return
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}
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// renderTitle renders the title bar with version and optional update notification
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func (m model) renderTitle(headerColor lipgloss.Color) string {
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var b strings.Builder
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// Title with version
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titleStyle := lipgloss.NewStyle().
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Bold(true).
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Foreground(headerColor).
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@@ -451,180 +523,222 @@ func (m model) renderMainView() string {
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}
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b.WriteString("\n\n")
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// No forwards
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if len(m.ui.forwardOrder) == 0 {
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disabledStyle := lipgloss.NewStyle().Foreground(mutedColor)
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b.WriteString(disabledStyle.Render("No forwards configured\n"))
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} else {
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// Build table rows
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var rows [][]string
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for _, id := range m.ui.forwardOrder {
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return b.String()
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}
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// renderEmptyMessage renders the message shown when no forwards are configured
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func (m model) renderEmptyMessage(mutedColor lipgloss.Color) string {
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disabledStyle := lipgloss.NewStyle().Foreground(mutedColor)
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return disabledStyle.Render("No forwards configured\n")
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}
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// renderForwardsTable renders the forwards table with all styling
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func (m model) renderForwardsTable(colors mainViewColors) string {
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var b strings.Builder
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// Build table rows
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rows := m.buildTableRows()
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// Create table with styling (no borders for cleaner look)
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t := table.New().
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Border(lipgloss.HiddenBorder()).
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Headers("CONTEXT", "NAMESPACE", "ALIAS", "TYPE", "RESOURCE", "REMOTE", "LOCAL", "STATUS").
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Rows(rows...).
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StyleFunc(m.createTableStyleFunc(colors))
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b.WriteString(t.Render())
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b.WriteString("\n")
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return b.String()
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}
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// buildTableRows builds the data rows for the forwards table
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func (m model) buildTableRows() [][]string {
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var rows [][]string
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for _, id := range m.ui.forwardOrder {
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fwd, ok := m.ui.forwards[id]
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if !ok {
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continue
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}
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statusIcon, statusText := m.getStatusIconAndText(id, fwd)
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rows = append(rows, []string{
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truncate(fwd.Context, ColumnWidthContext),
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truncate(fwd.Namespace, ColumnWidthNamespace),
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truncate(fwd.Alias, ColumnWidthAlias),
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truncate(fwd.Type, ColumnWidthType),
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truncate(fwd.Resource, ColumnWidthResource),
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fmt.Sprintf("%d", fwd.RemotePort),
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fmt.Sprintf("%d", fwd.LocalPort),
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statusIcon + " " + statusText,
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})
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}
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return rows
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}
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// getStatusIconAndText returns the appropriate status icon and text for a forward
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func (m model) getStatusIconAndText(id string, fwd *ForwardStatus) (icon, text string) {
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icon = "●"
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text = fwd.Status
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if m.ui.isForwardDisabled(id) {
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return "○", "Disabled"
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}
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switch fwd.Status {
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case "Starting":
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icon = "○"
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case "Reconnecting":
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icon = "◐"
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case "Error":
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icon = "✗"
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}
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return icon, text
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}
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// createTableStyleFunc creates the style function for the forwards table
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func (m model) createTableStyleFunc(colors mainViewColors) func(row, col int) lipgloss.Style {
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return func(row, col int) lipgloss.Style {
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// Header row
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if row == table.HeaderRow {
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return lipgloss.NewStyle().
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Bold(true).
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Foreground(colors.header).
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Padding(0, 1)
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}
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baseStyle := lipgloss.NewStyle().Padding(0, 1)
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if row >= 0 && row < len(m.ui.forwardOrder) {
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id := m.ui.forwardOrder[row]
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fwd, ok := m.ui.forwards[id]
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if !ok {
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continue
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isSelected := row == m.ui.selectedIndex
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isDisabled := m.ui.isForwardDisabled(id)
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// Selected row gets background highlight
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if isSelected {
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return baseStyle.
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Background(colors.selectedBg).
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Foreground(colors.selectedFg)
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}
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isDisabled := m.ui.disabledMap[id] || fwd.Status == "Disabled"
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// Status icon and text
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statusIcon := "●"
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statusText := fwd.Status
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// Disabled rows are muted
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if isDisabled {
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statusIcon = "○"
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statusText = "Disabled"
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} else {
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return baseStyle.Foreground(colors.muted)
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}
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// Status column gets colored based on status
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if col == ColumnStatus && ok {
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switch fwd.Status {
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case "Starting":
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statusIcon = "○"
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case "Reconnecting":
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statusIcon = "◐"
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case "Active":
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return baseStyle.Foreground(colors.active)
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case "Starting", "Reconnecting":
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return baseStyle.Foreground(colors.warning)
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case "Error":
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statusIcon = "✗"
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}
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}
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rows = append(rows, []string{
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truncate(fwd.Context, 14),
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truncate(fwd.Namespace, 16),
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truncate(fwd.Alias, 18),
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truncate(fwd.Type, 8),
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truncate(fwd.Resource, 20),
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fmt.Sprintf("%d", fwd.RemotePort),
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fmt.Sprintf("%d", fwd.LocalPort),
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statusIcon + " " + statusText,
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})
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}
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// Create table with styling (no borders for cleaner look)
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t := table.New().
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Border(lipgloss.HiddenBorder()).
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Headers("CONTEXT", "NAMESPACE", "ALIAS", "TYPE", "RESOURCE", "REMOTE", "LOCAL", "STATUS").
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Rows(rows...).
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StyleFunc(func(row, col int) lipgloss.Style {
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// Header row
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if row == table.HeaderRow {
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return lipgloss.NewStyle().
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Bold(true).
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Foreground(headerColor).
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Padding(0, 1)
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}
|
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// Get the forward for this row to check its status
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baseStyle := lipgloss.NewStyle().Padding(0, 1)
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if row >= 0 && row < len(m.ui.forwardOrder) {
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id := m.ui.forwardOrder[row]
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fwd, ok := m.ui.forwards[id]
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isSelected := row == m.ui.selectedIndex
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isDisabled := m.ui.disabledMap[id] || (ok && fwd.Status == "Disabled")
|
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// Selected row gets background highlight
|
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if isSelected {
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return baseStyle.
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Background(selectedBg).
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Foreground(selectedFg)
|
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}
|
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|
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// Disabled rows are muted
|
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if isDisabled {
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return baseStyle.Foreground(mutedColor)
|
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}
|
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|
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// Status column gets colored based on status
|
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if col == 7 && ok { // STATUS column
|
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switch fwd.Status {
|
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case "Active":
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return baseStyle.Foreground(activeColor)
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case "Starting", "Reconnecting":
|
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return baseStyle.Foreground(warningColor)
|
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case "Error":
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return baseStyle.Foreground(errorColor)
|
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}
|
||||
}
|
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}
|
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|
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return baseStyle
|
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})
|
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|
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b.WriteString(t.Render())
|
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b.WriteString("\n")
|
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}
|
||||
|
||||
// Display errors if any (before footer)
|
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if len(m.ui.errors) > 0 {
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b.WriteString("\n\n")
|
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errorHeaderStyle := lipgloss.NewStyle().
|
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Bold(true).
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Foreground(lipgloss.Color("196"))
|
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|
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b.WriteString(errorHeaderStyle.Render("Errors:"))
|
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b.WriteString("\n")
|
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|
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errorLineStyle := lipgloss.NewStyle().
|
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Foreground(lipgloss.Color("196")).
|
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Width(118). // Slightly less than table width (120) for padding
|
||||
MaxWidth(118)
|
||||
|
||||
for id, errMsg := range m.ui.errors {
|
||||
// Find the forward to display its alias
|
||||
if fwd, ok := m.ui.forwards[id]; ok {
|
||||
// Format: " • alias: error message"
|
||||
prefix := fmt.Sprintf(" • %s: ", fwd.Alias)
|
||||
|
||||
// Wrap the error message if it's too long
|
||||
// Max line length is 118, subtract prefix length
|
||||
maxErrLen := 118 - len(prefix)
|
||||
wrappedMsg := wrapText(errMsg, maxErrLen)
|
||||
|
||||
// Render first line with prefix
|
||||
lines := strings.Split(wrappedMsg, "\n")
|
||||
if len(lines) > 0 {
|
||||
b.WriteString(errorLineStyle.Render(prefix + lines[0]))
|
||||
b.WriteString("\n")
|
||||
|
||||
// Render subsequent lines with indentation
|
||||
indent := strings.Repeat(" ", len(prefix))
|
||||
for i := 1; i < len(lines); i++ {
|
||||
b.WriteString(errorLineStyle.Render(indent + lines[i]))
|
||||
b.WriteString("\n")
|
||||
}
|
||||
return baseStyle.Foreground(colors.errorColor)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return baseStyle
|
||||
}
|
||||
}
|
||||
|
||||
// renderErrorSection renders the error display section
|
||||
func (m model) renderErrorSection() string {
|
||||
var b strings.Builder
|
||||
|
||||
b.WriteString("\n\n")
|
||||
errorHeaderStyle := lipgloss.NewStyle().
|
||||
Bold(true).
|
||||
Foreground(lipgloss.Color("196"))
|
||||
|
||||
b.WriteString(errorHeaderStyle.Render("Errors:"))
|
||||
b.WriteString("\n")
|
||||
|
||||
errorLineStyle := lipgloss.NewStyle().
|
||||
Foreground(lipgloss.Color("196")).
|
||||
Width(ErrorDisplayWidth).
|
||||
MaxWidth(ErrorDisplayWidth)
|
||||
|
||||
for id, errMsg := range m.ui.errors {
|
||||
// Find the forward to display its alias
|
||||
if fwd, ok := m.ui.forwards[id]; ok {
|
||||
b.WriteString(m.renderErrorLine(fwd.Alias, errMsg, errorLineStyle))
|
||||
}
|
||||
}
|
||||
|
||||
return b.String()
|
||||
}
|
||||
|
||||
// renderErrorLine renders a single error line with proper wrapping
|
||||
func (m model) renderErrorLine(alias, errMsg string, style lipgloss.Style) string {
|
||||
var b strings.Builder
|
||||
|
||||
// Format: " • alias: error message"
|
||||
prefix := fmt.Sprintf(" • %s: ", alias)
|
||||
|
||||
// Wrap the error message if it's too long
|
||||
maxErrLen := ErrorDisplayWidth - len(prefix)
|
||||
wrappedMsg := wrapText(errMsg, maxErrLen)
|
||||
|
||||
// Render first line with prefix
|
||||
lines := strings.Split(wrappedMsg, "\n")
|
||||
if len(lines) > 0 {
|
||||
b.WriteString(style.Render(prefix + lines[0]))
|
||||
b.WriteString("\n")
|
||||
|
||||
// Render subsequent lines with indentation
|
||||
indent := strings.Repeat(" ", len(prefix))
|
||||
for i := 1; i < len(lines); i++ {
|
||||
b.WriteString(style.Render(indent + lines[i]))
|
||||
b.WriteString("\n")
|
||||
}
|
||||
}
|
||||
|
||||
return b.String()
|
||||
}
|
||||
|
||||
// renderFooterWithSpacing renders the footer with proper vertical spacing
|
||||
func (m model) renderFooterWithSpacing(termWidth, termHeight int, content *strings.Builder) string {
|
||||
var b strings.Builder
|
||||
|
||||
// Calculate current content height
|
||||
currentContent := b.String()
|
||||
currentContent := content.String()
|
||||
currentLines := strings.Count(currentContent, "\n") + 1
|
||||
|
||||
// Footer styles
|
||||
// Build footer content
|
||||
footerLines := m.buildFooterLines(termWidth)
|
||||
|
||||
// Calculate footer height and add spacing
|
||||
footerHeight := len(footerLines) + 1 // +1 for the blank line before footer
|
||||
remainingLines := termHeight - currentLines - footerHeight
|
||||
if remainingLines > 0 {
|
||||
b.WriteString(strings.Repeat("\n", remainingLines))
|
||||
}
|
||||
|
||||
// Add footer at bottom
|
||||
footerStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("240"))
|
||||
b.WriteString("\n")
|
||||
for i, line := range footerLines {
|
||||
if i > 0 {
|
||||
b.WriteString("\n")
|
||||
}
|
||||
b.WriteString(footerStyle.Render(line))
|
||||
}
|
||||
|
||||
return b.String()
|
||||
}
|
||||
|
||||
// buildFooterLines builds the footer lines that fit within terminal width
|
||||
func (m model) buildFooterLines(termWidth int) []string {
|
||||
keyStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("220"))
|
||||
bindings := mainViewKeyBindings()
|
||||
|
||||
// Get terminal width for footer wrapping
|
||||
termWidth := m.termWidth
|
||||
if termWidth == 0 {
|
||||
termWidth = 120
|
||||
}
|
||||
|
||||
// Define key bindings as structured data for flexible rendering
|
||||
type keyBinding struct {
|
||||
key string
|
||||
desc string
|
||||
}
|
||||
bindings := []keyBinding{
|
||||
{"↑↓/jk", "Navigate"},
|
||||
{"Space", "Toggle"},
|
||||
{"n", "New"},
|
||||
{"e", "Edit"},
|
||||
{"d", "Delete"},
|
||||
{"b", "Bench"},
|
||||
{"l", "Logs"},
|
||||
{"q", "Quit"},
|
||||
}
|
||||
|
||||
// Build footer lines that fit within terminal width
|
||||
var footerLines []string
|
||||
var currentLine strings.Builder
|
||||
currentLineVisualLen := 0
|
||||
@@ -676,23 +790,7 @@ func (m model) renderMainView() string {
|
||||
currentLine.WriteString(totalSuffix)
|
||||
footerLines = append(footerLines, currentLine.String())
|
||||
|
||||
// Calculate footer height
|
||||
footerHeight := len(footerLines) + 1 // +1 for the blank line before footer
|
||||
remainingLines := termHeight - currentLines - footerHeight
|
||||
if remainingLines > 0 {
|
||||
b.WriteString(strings.Repeat("\n", remainingLines))
|
||||
}
|
||||
|
||||
// Add footer at bottom
|
||||
b.WriteString("\n")
|
||||
for i, line := range footerLines {
|
||||
if i > 0 {
|
||||
b.WriteString("\n")
|
||||
}
|
||||
b.WriteString(footerStyle.Render(line))
|
||||
}
|
||||
|
||||
return b.String()
|
||||
return footerLines
|
||||
}
|
||||
|
||||
// wrapText wraps text to the specified width, breaking at word boundaries
|
||||
@@ -835,3 +933,18 @@ func (ui *BubbleTeaUI) toggleSelected() {
|
||||
go ui.toggleCallback(selectedID, !newState) // enable is inverse of disabled
|
||||
}
|
||||
}
|
||||
|
||||
// isForwardDisabled checks if a forward is disabled.
|
||||
// A forward is considered disabled if either:
|
||||
// 1. The user has disabled it via the UI (tracked in disabledMap)
|
||||
// 2. The forward's status is "Disabled" (from the manager)
|
||||
// Caller must hold ui.mu.RLock or ui.mu.Lock.
|
||||
func (ui *BubbleTeaUI) isForwardDisabled(id string) bool {
|
||||
if ui.disabledMap[id] {
|
||||
return true
|
||||
}
|
||||
if fwd, ok := ui.forwards[id]; ok && fwd.Status == "Disabled" {
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user