add stash panel

stash_panel.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+  "fmt"
+
+  "github.com/jesseduffield/gocui"
+)
+
+func refreshStashEntries(g *gocui.Gui) error {
+  g.Update(func(g *gocui.Gui) error {
+    v, err := g.View("stash")
+    if err != nil {
+      panic(err)
+    }
+    state.StashEntries = getGitStashEntries()
+    v.Clear()
+    for _, stashEntry := range state.StashEntries {
+      fmt.Fprintln(v, stashEntry.DisplayString)
+    }
+    return resetOrigin(v)
+  })
+  return nil
+}
+
+func getSelectedStashEntry(v *gocui.View) *StashEntry {
+  if len(state.StashEntries) == 0 {
+    return nil
+  }
+  lineNumber := getItemPosition(v)
+  return &state.StashEntries[lineNumber]
+}
+
+func handleStashEntrySelect(g *gocui.Gui, v *gocui.View) error {
+  renderString(g, "options", "space: apply, k: pop, d: drop")
+  go func() {
+    stashEntry := getSelectedStashEntry(v)
+    if stashEntry == nil {
+      renderString(g, "main", "No stash entries")
+      return
+    }
+    diff, _ := getStashEntryDiff(stashEntry.Index)
+    renderString(g, "main", diff)
+  }()
+  return nil
+}
+
+func handleStashApply(g *gocui.Gui, v *gocui.View) error {
+  return stashDo(g, v, "apply")
+}
+
+func handleStashPop(g *gocui.Gui, v *gocui.View) error {
+  return stashDo(g, v, "pop")
+}
+
+func handleStashDrop(g *gocui.Gui, v *gocui.View) error {
+  return createConfirmationPanel(g, v, "Stash drop", "Are you sure you want to drop this stash entry? (y/n)", func(g *gocui.Gui, v *gocui.View) error {
+    return stashDo(g, v, "drop")
+  }, nil)
+  return nil
+}
+
+func stashDo(g *gocui.Gui, v *gocui.View, method string) error {
+  stashEntry := getSelectedStashEntry(v)
+  if stashEntry == nil {
+    return createErrorPanel(g, "No stash to "+method)
+  }
+  if output, err := gitStashDo(stashEntry.Index, method); err != nil {
+    createErrorPanel(g, output)
+  }
+  refreshStashEntries(g)
+  return refreshFiles(g)
+}
+
+func handleStashSave(g *gocui.Gui, filesView *gocui.View) error {
+  createPromptPanel(g, filesView, "Stash changes", func(g *gocui.Gui, v *gocui.View) error {
+    if output, err := gitStashSave(trimmedContent(v)); err != nil {
+      createErrorPanel(g, output)
+    }
+    refreshStashEntries(g)
+    return refreshFiles(g)
+  })
+  return nil
+}