Wydaj wersję 0.0.1

app.py

@@ -16,6 +16,7 @@ from tkinter import messagebox, ttk
 from host_checker import CheckResult, check
 
 
+__version__ = "0.0.1"
 CONFIG_FILE = Path(__file__).with_name("hosts.json")
 
 
@@ -28,7 +29,7 @@ class Host:
 class HostMonitorApp(tk.Tk):
     def __init__(self) -> None:
         super().__init__()
-        self.title("Monitor dostępności hostów")
+        self.title(f"Monitor dostępności hostów v{__version__}")
         self.geometry("1120x620")
         self.minsize(850, 450)
         self.hosts: list[Host] = []
@@ -37,6 +38,7 @@ class HostMonitorApp(tk.Tk):
         self.executor = concurrent.futures.ThreadPoolExecutor(max_workers=10)
         self.running = False
         self.after_id: str | None = None
+        self.selected_target: str | None = None
         self.worker_lock = threading.Lock()
         self._build_ui()
         self._load_config()
@@ -80,6 +82,7 @@ class HostMonitorApp(tk.Tk):
         self.table.configure(yscrollcommand=scrollbar.set)
         self.table.pack(side="left", fill="both", expand=True)
         scrollbar.pack(side="right", fill="y")
+        self.table.bind("<<TreeviewSelect>>", self._select_host)
         self.table.tag_configure("up", foreground="#16803c")
         self.table.tag_configure("down", foreground="#b42318")
         self.table.tag_configure("unknown", foreground="#666666")
@@ -87,18 +90,52 @@ class HostMonitorApp(tk.Tk):
         self.status_var = tk.StringVar(value="Gotowy. Dodaj hosty i uruchom monitoring.")
         ttk.Label(self, textvariable=self.status_var, relief="sunken", anchor="w", padding=5).pack(fill="x", side="bottom")
 
+    def _select_host(self, _event: tk.Event[tk.Misc] | None = None) -> None:
+        selected = self.table.selection()
+        if len(selected) != 1:
+            self.selected_target = None
+            return
+        target = selected[0]
+        host = next((item for item in self.hosts if item.target == target), None)
+        if host is None:
+            self.selected_target = None
+            return
+        self.selected_target = target
+        self.target_var.set(host.target)
+        self.method_var.set(host.method)
+
     def _add_host(self) -> None:
         target = self.target_var.get().strip()
         method = self.method_var.get()
         if not target:
             messagebox.showwarning("Brak hosta", "Wpisz adres hosta lub URL.")
             return
-        existing = next((host for host in self.hosts if host.target == target), None)
-        if existing:
-            existing.method = method
+
+        selected_host = next((host for host in self.hosts if host.target == self.selected_target), None)
+        duplicate = next((host for host in self.hosts if host.target == target and host is not selected_host), None)
+        if duplicate:
+            messagebox.showwarning("Host już istnieje", "Host o tym adresie jest już na liście.")
+            return
+
+        was_update = selected_host is not None
+        if selected_host:
+            old_target = selected_host.target
+            selected_host.target = target
+            selected_host.method = method
+            if old_target != target:
+                if old_target in self.stats:
+                    self.stats[target] = self.stats.pop(old_target)
+                self.selected_target = target
         else:
-            self.hosts.append(Host(target, method))
-        self.target_var.set("")
+            existing = next((host for host in self.hosts if host.target == target), None)
+            if existing:
+                existing.method = method
+                self.selected_target = target
+            else:
+                self.hosts.append(Host(target, method))
+                self.selected_target = target
+        if not was_update:
+            self.target_var.set("")
         self._refresh_table()
         self._save_config(silent=True)
 
@@ -109,6 +146,8 @@ class HostMonitorApp(tk.Tk):
         self.hosts = [host for host in self.hosts if host.target not in selected]
         for target in selected:
             self.stats.pop(target, None)
+        if self.selected_target in selected:
+            self.selected_target = None
         self._refresh_table()
         self._save_config(silent=True)
 
@@ -195,6 +234,9 @@ class HostMonitorApp(tk.Tk):
                 self.table.item(host.target, values=values, tags=(tag,))
             else:
                 self.table.insert("", "end", iid=host.target, values=values, tags=(tag,))
+        if self.selected_target in current:
+            self.table.selection_set(self.selected_target)
+            self.table.focus(self.selected_target)
 
     def _load_config(self) -> None:
         if CONFIG_FILE.exists():