Add trailing separator to dirs tag without changing the actual name.

The previous commit which added the trailing slash introduced a bug, where
the "do not open the same buffer again if it already exists" stopped working
because the actual file name did not match what was requested.

2 files changed, 11 insertions, 4 deletions

diff --git a/editor/buffer.go b/editor/buffer.go
index 503cf02..9b7444a 100644
--- a/editor/buffer.go
+++ b/editor/buffer.go
@@ -110,6 +110,11 @@ func (b *Buffer) ReadFile() error {
 	return nil
 }
 
+// IsDir returns true if the type of the this buffer is a directory listing.
+func (b *Buffer) IsDir() bool {
+	return b.what == BufferDir
+}
+
 // SaveFile writes content of buffer to its filename.
 func (b *Buffer) SaveFile() (int, error) {
 	b.initBuffer()
@@ -176,9 +181,6 @@ func (b *Buffer) Name() string {
 		return ""
 	}
 	s, _ := filepath.Abs(b.file.name)
-	if b.what == BufferDir {
-		s += string(filepath.Separator)
-	}
 	return s
 }
 
diff --git a/ui/tcell/window.go b/ui/tcell/window.go
index 86f9ce4..b6378be 100644
--- a/ui/tcell/window.go
+++ b/ui/tcell/window.go
@@ -2,6 +2,7 @@ package uitcell
 
 import (
 	"fmt"
+	"path/filepath"
 
 	tcell "github.com/gdamore/tcell/v2"
 	"github.com/prodhe/poe/editor"
@@ -41,8 +42,12 @@ func NewWindow(id int64) *Window {
 		},
 	}
 
+	tagname := win.TagName()
+	if win.body.text.IsDir() {
+		tagname += string(filepath.Separator)
+	}
 	fmt.Fprintf(win.tagline, "%s Del Get ",
-		win.TagName(),
+		tagname,
 	)
 
 	return win