chore: improve sftp tab (#583)

src/main/kotlin/app/termora/sftp/SFTPAction.kt

@@ -56,6 +56,16 @@ class SFTPAction : AnAction("SFTP", Icons.folder) {
         }
 
         val host = hostManager.getHost(hostId) ?: return
+        for (i in 0 until tabbed.tabCount) {
+            val c = tabbed.getComponentAt(i)
+            if (c is SFTPFileSystemViewPanel) {
+                if (c.state == SFTPFileSystemViewPanel.State.Initialized) {
+                    c.selectHost(host)
+                    return
+                }
+            }
+        }
+
         tabbed.addSFTPFileSystemViewPanelTab(host)
 
     }

src/main/kotlin/app/termora/sftp/SFTPFileSystemViewPanel.kt

@@ -286,9 +286,7 @@ class SFTPFileSystemViewPanel(
                         val node = tree.getLastSelectedPathNode() ?: return
                         if (node.isFolder) return
                         val host = node.data as Host
-                        that.setTabTitle(host.name)
+                        selectHost(host)
-                        that.host = host
-                        that.connect()
                     }
                 }
             })
@@ -318,6 +316,12 @@ class SFTPFileSystemViewPanel(
         }
     }
 
+    fun selectHost(host: Host) {
+        that.setTabTitle(host.name)
+        that.host = host
+        that.connect()
+    }
+
     private fun setTabTitle(title: String) {
         val tabbed = SwingUtilities.getAncestorOfClass(JTabbedPane::class.java, that)
         if (tabbed is JTabbedPane) {