Merge pull request #364 from coreemu/coretk-enhance/fix-bug

Coretk enhance/fix bug

daemon/core/gui/coreclient.py

@@ -110,6 +110,8 @@ class CoreClient:
         self.xml_dir = None
         self.xml_file = None
 
+        self.modified_service_nodes = set()
+
     def reset(self):
         # helpers
         self.interfaces_manager.reset()
@@ -124,6 +126,7 @@ class CoreClient:
         self.emane_config = None
         self.service_configs.clear()
         self.file_configs.clear()
+        self.modified_service_nodes.clear()
         for mobility_player in self.mobility_players.values():
             mobility_player.handle_close()
         self.mobility_players.clear()
@@ -806,6 +809,9 @@ class CoreClient:
                 logging.error("unknown node: %s", node_id)
                 continue
             del self.canvas_nodes[node_id]
+
+            self.modified_service_nodes.discard(node_id)
+
             if node_id in self.mobility_configs:
                 del self.mobility_configs[node_id]
             if node_id in self.wlan_configs:
@@ -1046,3 +1052,6 @@ class CoreClient:
             config = self.emane_model_configs.get(_from)
             if config:
                 self.emane_model_configs[_to] = config
+
+    def service_been_modified(self, node_id: int) -> bool:
+        return node_id in self.modified_service_nodes

daemon/core/gui/dialogs/nodeservice.py

@@ -36,8 +36,14 @@ class NodeServiceDialog(Dialog):
             services = canvas_node.core_node.services
             model = canvas_node.core_node.model
             if len(services) == 0:
-                if not NodeUtils.is_custom(canvas_node.core_node.model):
+                # not custom node type and node's services haven't been modified before
+                if not NodeUtils.is_custom(
+                    canvas_node.core_node.model
+                ) and not self.app.core.service_been_modified(self.node_id):
                     services = set(self.app.core.default_services[model])
+                # services of default type nodes were modified to be empty
+                elif canvas_node.core_node.id in self.app.core.modified_service_nodes:
+                    services = set()
                 else:
                     services = set(
                         NodeUtils.get_custom_node_services(self.app.guiconfig, model)
@@ -141,12 +147,14 @@ class NodeServiceDialog(Dialog):
             )
 
     def click_save(self):
+        # if node is custom type or current services are not the default services then set core node services and add node to modified services node set
         if (
             self.canvas_node.core_node.model not in self.app.core.default_services
             or self.current_services
             != self.app.core.default_services[self.canvas_node.core_node.model]
         ):
             self.canvas_node.core_node.services[:] = self.current_services
+            self.app.core.modified_service_nodes.add(self.canvas_node.core_node.id)
         else:
             if len(self.canvas_node.core_node.services) > 0:
                 self.canvas_node.core_node.services[:] = []

daemon/core/gui/graph/graph.py

@@ -854,6 +854,11 @@ class CanvasGraph(tk.Canvas):
             node = CanvasNode(
                 self.master, scaled_x, scaled_y, copy, self.nodes[canvas_nid].image
             )
+
+            # add new node to modified_service_nodes set if that set contains the to_copy node
+            if self.app.core.service_been_modified(core_node.id):
+                self.app.core.modified_service_nodes.add(copy.id)
+
             copy_map[canvas_nid] = node.id
             self.core.canvas_nodes[copy.id] = node
             self.nodes[node.id] = node

daemon/core/gui/menuaction.py

@@ -89,12 +89,15 @@ class MenuAction:
             title="Open",
             filetypes=(("XML Files", "*.xml"), ("All Files", "*")),
         )
-        if file_path:
-            self.app.core.xml_file = file_path
-            self.app.core.xml_dir = str(os.path.dirname(file_path))
+        self.open_xml_task(file_path)
+
+    def open_xml_task(self, filename):
+        if filename:
+            self.app.core.xml_file = filename
+            self.app.core.xml_dir = str(os.path.dirname(filename))
             self.prompt_save_running_session()
             self.app.statusbar.progress_bar.start(5)
-            task = BackgroundTask(self.app, self.app.core.open_xml, args=(file_path,))
+            task = BackgroundTask(self.app, self.app.core.open_xml, args=(filename,))
             task.start()
 
     def gui_preferences(self):

daemon/core/gui/menubar.py

@@ -1,3 +1,5 @@
+import logging
+import os
 import tkinter as tk
 from functools import partial
 from typing import TYPE_CHECKING
@@ -55,6 +57,17 @@ class Menubar(tk.Menu):
         menu.add_command(label="Save", accelerator="Ctrl+S", command=self.save)
         menu.add_command(label="Reload", underline=0, state=tk.DISABLED)
         self.app.bind_all("<Control-s>", self.save)
+
+        # some hard code values for testing
+        sample_xmls = [
+            "sample1.xml",
+            "/home/ncs/.coretk/xmls/sample1.xml",
+            "sample1.xml",
+        ]
+        recent = tk.Menu(menu)
+        for i in sample_xmls:
+            recent.add_command(label=i, command=partial(self.open_recent_files, i))
+        menu.add_cascade(label="Recent files", menu=recent)
         menu.add_separator()
         menu.add_command(label="Export Python script...", state=tk.DISABLED)
         menu.add_command(label="Execute XML or Python script...", state=tk.DISABLED)
@@ -409,6 +422,13 @@ class Menubar(tk.Menu):
         menu.add_command(label="About", command=self.menuaction.show_about)
         self.add_cascade(label="Help", menu=menu)
 
+    def open_recent_files(self, filename: str):
+        if os.path.isfile(filename):
+            logging.debug("Open recent file %s", filename)
+            self.menuaction.open_xml_task(filename)
+        else:
+            logging.warning("File does not exist %s", filename)
+
     def save(self):
         xml_file = self.app.core.xml_file
         if xml_file: