149 lines
3.5 KiB
Go
149 lines
3.5 KiB
Go
// pkg/window/layout.go
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package window
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"sort"
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"sync"
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"time"
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coreio "forge.lthn.ai/core/go-io"
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coreerr "forge.lthn.ai/core/go-log"
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)
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// Layout is a named window arrangement.
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type Layout struct {
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Name string `json:"name"`
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Windows map[string]WindowState `json:"windows"`
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CreatedAt int64 `json:"createdAt"`
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UpdatedAt int64 `json:"updatedAt"`
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}
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// LayoutInfo is a summary of a layout.
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type LayoutInfo struct {
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Name string `json:"name"`
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WindowCount int `json:"windowCount"`
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CreatedAt int64 `json:"createdAt"`
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UpdatedAt int64 `json:"updatedAt"`
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}
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// LayoutManager persists named window arrangements to ~/.config/Core/layouts.json.
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type LayoutManager struct {
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configDir string
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layouts map[string]Layout
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mu sync.RWMutex
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}
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// NewLayoutManager creates a LayoutManager loading from the default config directory.
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func NewLayoutManager() *LayoutManager {
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lm := &LayoutManager{
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layouts: make(map[string]Layout),
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}
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configDir, err := os.UserConfigDir()
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if err == nil {
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lm.configDir = filepath.Join(configDir, "Core")
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}
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lm.load()
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return lm
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}
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// NewLayoutManagerWithDir creates a LayoutManager loading from a custom config directory.
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// Useful for testing or when the default config directory is not appropriate.
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func NewLayoutManagerWithDir(configDir string) *LayoutManager {
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lm := &LayoutManager{
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configDir: configDir,
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layouts: make(map[string]Layout),
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}
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lm.load()
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return lm
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}
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func (lm *LayoutManager) filePath() string {
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return filepath.Join(lm.configDir, "layouts.json")
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}
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func (lm *LayoutManager) load() {
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if lm.configDir == "" {
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return
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}
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content, err := coreio.Local.Read(lm.filePath())
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if err != nil {
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return
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}
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lm.mu.Lock()
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defer lm.mu.Unlock()
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_ = json.Unmarshal([]byte(content), &lm.layouts)
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}
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func (lm *LayoutManager) save() {
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if lm.configDir == "" {
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return
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}
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lm.mu.RLock()
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data, err := json.MarshalIndent(lm.layouts, "", " ")
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lm.mu.RUnlock()
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if err != nil {
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return
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}
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_ = coreio.Local.EnsureDir(lm.configDir)
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_ = coreio.Local.Write(lm.filePath(), string(data))
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}
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// SaveLayout creates or updates a named layout.
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func (lm *LayoutManager) SaveLayout(name string, windowStates map[string]WindowState) error {
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if name == "" {
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return coreerr.E("window.LayoutManager.SaveLayout", "layout name cannot be empty", nil)
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}
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now := time.Now().UnixMilli()
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lm.mu.Lock()
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existing, exists := lm.layouts[name]
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layout := Layout{
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Name: name,
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Windows: windowStates,
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UpdatedAt: now,
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}
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if exists {
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layout.CreatedAt = existing.CreatedAt
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} else {
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layout.CreatedAt = now
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}
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lm.layouts[name] = layout
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lm.mu.Unlock()
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lm.save()
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return nil
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}
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// GetLayout returns a layout by name.
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func (lm *LayoutManager) GetLayout(name string) (Layout, bool) {
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lm.mu.RLock()
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defer lm.mu.RUnlock()
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l, ok := lm.layouts[name]
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return l, ok
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}
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// ListLayouts returns info summaries for all layouts.
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func (lm *LayoutManager) ListLayouts() []LayoutInfo {
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lm.mu.RLock()
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defer lm.mu.RUnlock()
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infos := make([]LayoutInfo, 0, len(lm.layouts))
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for _, l := range lm.layouts {
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infos = append(infos, LayoutInfo{
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Name: l.Name, WindowCount: len(l.Windows),
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CreatedAt: l.CreatedAt, UpdatedAt: l.UpdatedAt,
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})
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}
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sort.Slice(infos, func(i, j int) bool {
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return infos[i].Name < infos[j].Name
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})
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return infos
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}
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// DeleteLayout removes a layout by name.
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func (lm *LayoutManager) DeleteLayout(name string) {
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lm.mu.Lock()
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delete(lm.layouts, name)
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lm.mu.Unlock()
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lm.save()
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}
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