Add translation help text

Also cosmetic changes.

L10n/en.template

@@ -109,6 +109,9 @@
 /* Status text displayed when auto-update is suppressed - https://github.com/Marginal/EDMarketConnector/issues/92. [EDMarketConnector.py] */
 "Didn't update: Carrying Rares" = "Didn't update: Carrying Rares";
 
+/* List of plugins in settings. [prefs.py] */
+"Disabled Plugins" = "Disabled Plugins";
+
 /* Help menu item. [EDMarketConnector.py] */
 "Documentation" = "Documentation";
 
@@ -133,6 +136,9 @@
 /* Ranking. [stats.py] */
 "Empire" = "Empire";
 
+/* List of plugins in settings. [prefs.py] */
+"Enabled Plugins" = "Enabled Plugins";
+
 /* Federation rank. [stats.py] */
 "Ensign" = "Ensign";
 
@@ -286,6 +292,9 @@
 /* Hotkey/Shortcut setting. [prefs.py] */
 "Only when Elite: Dangerous is the active app" = "Only when Elite: Dangerous is the active app";
 
+/* Button that opens a folder in Explorer/Finder. [prefs.py] */
+"Open" = "Open";
+
 /* Shortcut settings button on OSX. [prefs.py] */
 "Open System Preferences" = "Open System Preferences";
 
@@ -325,6 +334,12 @@
 /* Use same text as E:D Launcher's login dialog. [prefs.py] */
 "Please log in with your Elite: Dangerous account details" = "Please log in with your Elite: Dangerous account details";
 
+/* Tab heading in settings. [prefs.py] */
+"Plugins" = "Plugins";
+
+/* Section heading in settings. [prefs.py] */
+"Plugins folder" = "Plugins folder";
+
 /* Federation rank. [stats.py] */
 "Post Captain" = "Post Captain";
 
@@ -445,6 +460,9 @@
 /* Appearance setting. [prefs.py] */
 "Theme" = "Theme";
 
+/* Help text in settings. [prefs.py] */
+"Tip: You can disable a plugin by{CR}adding '{EXT}' to it's folder name" = "Tip: You can disable a plugin by{CR}adding '{EXT}' to it's folder name";
+
 /* Ranking. [stats.py] */
 "Trade" = "Trade";
 

prefs.py

@@ -308,37 +308,37 @@ class PreferencesDialog(tk.Toplevel):
 
         # Plugin settings and info
         plugsframe = nb.Frame(notebook)
-        plugsframe.columnconfigure(1, weight=1)
+        plugsframe.columnconfigure(0, weight=1)
-        plugdir = config.plugin_dir
+        plugdir = tk.StringVar()
+        plugdir.set(config.plugin_dir)
 
         plugnames, disabled_plugins = plug.find_plugins()
 
-        nb.Label(plugsframe, text=_('Plugins Folder:')).grid(padx=PADX, sticky=tk.W)
+        nb.Label(plugsframe, text=_('Plugins folder')+':').grid(padx=PADX, sticky=tk.W)	# Section heading in settings
         plugdirentry = nb.Entry(plugsframe,
                                 justify=tk.LEFT)
-        plugdirentry.insert(0, plugdir)
+        self.displaypath(plugdir, plugdirentry)
-        plugdirentry.grid(padx=PADX, columnspan=2, sticky=tk.EW)
+        plugdirentry.grid(row=10, padx=PADX, sticky=tk.EW)
 
-        if platform == "win32":
+        if platform == 'win32':
-            nb.Button(plugsframe, text="Open",
+            nb.Button(plugsframe, text=_('Open'),	# Button that opens a folder in Explorer/Finder
-                      command=lambda: os.startfile(plugdir)).grid(padx=PADX-1, sticky=tk.W)
+                      command=lambda: os.startfile(plugdir.get())).grid(row=10, column=1, padx=(0,PADX), sticky=tk.NSEW)
 
-        nb.Label(plugsframe, text=_("Tip: You can disable a plugin by\nadding '.disabled' to it's folder name")).grid(
+        nb.Label(plugsframe, text=_("Tip: You can disable a plugin by{CR}adding '{EXT}' to it's folder name").format(EXT='.disabled')).grid(	# Help text in settings
-            columnspan=2,
+            columnspan=2, padx=PADX, pady=10, sticky=tk.NSEW)
-            padx=PADX, pady=10, sticky=tk.NSEW)
 
         if len(plugnames):
             ttk.Separator(plugsframe, orient=tk.HORIZONTAL).grid(columnspan=3, padx=PADX, pady=PADY * 8, sticky=tk.EW)
-            nb.Label(plugsframe, text=_('Enabled Plugins:')).grid(padx=PADX, sticky=tk.W)
+            nb.Label(plugsframe, text=_('Enabled Plugins')+':').grid(padx=PADX, sticky=tk.W)	# List of plugins in settings
             for plugname in plugnames:
-                nb.Label(plugsframe, text=plugname).grid(padx=PADX + 5, sticky=tk.W)
+                nb.Label(plugsframe, text=plugname).grid(columnspan=2, padx=PADX*2, sticky=tk.W)
         if len(disabled_plugins):
             ttk.Separator(plugsframe, orient=tk.HORIZONTAL).grid(columnspan=3, padx=PADX, pady=PADY * 8, sticky=tk.EW)
-            nb.Label(plugsframe, text=_('Disabled Plugins:')).grid(padx=PADX, sticky=tk.W)
+            nb.Label(plugsframe, text=_('Disabled Plugins')+':').grid(padx=PADX, sticky=tk.W)	# List of plugins in settings
             for plugname in disabled_plugins:
-                nb.Label(plugsframe, text=plugname).grid(padx=PADX + 5, sticky=tk.W)
+                nb.Label(plugsframe, text=plugname).grid(columnspan=2, padx=PADX*2, sticky=tk.W)
 
-        notebook.add(plugsframe, text=_('Plugins'))
+        notebook.add(plugsframe, text=_('Plugins'))		# Tab heading in settings
 
 
         if platform=='darwin':