From 5df62d5d3e4525e42ae3871953edc1d1ac216698 Mon Sep 17 00:00:00 2001
From: hstyi <spatter.flushes1o@icloud.com>
Date: Sun, 26 Jan 2025 10:24:33 +0800
Subject: [PATCH] fix: possible invalid window creation

---
 src/main/kotlin/app/termora/HostTree.kt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/app/termora/HostTree.kt b/src/main/kotlin/app/termora/HostTree.kt
index 4339b38..49f14bd 100644
--- a/src/main/kotlin/app/termora/HostTree.kt
+++ b/src/main/kotlin/app/termora/HostTree.kt
@@ -450,11 +450,13 @@ class HostTree : JTree(), Disposable {
 
     private fun openHosts(evt: EventObject, openInNewWindow: Boolean) {
         assertEventDispatchThread()
-        val openHostAction = ActionManager.getInstance().getAction(OpenHostAction.OPEN_HOST) ?: return
         val nodes = getSelectionNodes().filter { it.protocol != Protocol.Folder }
+        if (nodes.isEmpty()) return
+        val openHostAction = ActionManager.getInstance().getAction(OpenHostAction.OPEN_HOST) ?: return
         val source = if (openInNewWindow)
             TermoraFrameManager.getInstance().createWindow().apply { isVisible = true }
         else evt.source
+
         nodes.forEach { openHostAction.actionPerformed(OpenHostActionEvent(source, it, evt)) }
     }