Use ngettext for dialog text

Author: Jeremy Wootten

src/Dialogs/CloseProjectsConfirmationDialog.vala

@@ -18,22 +18,50 @@
 
 public class Scratch.Dialogs.CloseProjectsConfirmationDialog : Granite.MessageDialog {
 
-    public CloseProjectsConfirmationDialog (MainWindow parent) {
+    public uint n_parents { get; construct; }
+    public uint n_children { get; construct; }
+
+    public CloseProjectsConfirmationDialog (MainWindow parent, uint n_parents, uint n_children) {
         Object (
             buttons: Gtk.ButtonsType.NONE,
-            transient_for: parent
+            transient_for: parent,
+            n_parents: n_parents,
+            n_children: n_children
         );
     }
 
     construct {
         image_icon = new ThemedIcon ("dialog-warning");
+        var button_label = "";
+        // We can assume that either n_parents or n_children is zero (but not both).
+        // We can assume n_parents is either zero or one
+        if (n_children > 0) {
+            primary_text = ngettext (
+                _("This folder is the parent of an open project"),
+                _("This folder is the parent of %u open projects").printf (n_children),
+                (ulong) n_children
+            );
+                ;
+            secondary_text = ngettext (
+                _("Opening this folder will close the child project"),
+                _("Opening this folder will close all child projects"),
+                (ulong) n_children
+            );
 
-        primary_text = _("This folder is a parent or child of an existing open project");
-        secondary_text = _("Opening this folder will close all parent or child projects");
+            button_label = ngettext (
+                _("Close Child Project"),
+                _("Close Child Projects"),
+                (ulong) n_children
+            );
+        } else {
+            primary_text = _("This folder is a child of an open project");
+            secondary_text = _("Opening this folder will close the parent project");
+            button_label = _("Close Parent Project");
+        }
 
         add_button (_("Don't Open"), Gtk.ResponseType.REJECT);
 
-        var ignore_button = (Gtk.Button) add_button (_("Close Other Projects"), Gtk.ResponseType.ACCEPT);
+        var ignore_button = (Gtk.Button) add_button (button_label, Gtk.ResponseType.ACCEPT);
         ignore_button.get_style_context ().add_class (Gtk.STYLE_CLASS_DESTRUCTIVE_ACTION);
     }
 }

src/FolderManager/FileView.vala

@@ -522,16 +522,22 @@ public class Scratch.FolderManager.FileView : Code.Widgets.SourceList, Code.Pane
         foreach (var child in root.children) {
             var item = (ProjectFolderItem) child;
             if (add_file.get_relative_path (item.file.file) != null) {
-                critical ("Trying to add parent of existing project");
+                debug ("Trying to add parent of existing project");
                 children.append (item);
             } else if (item.file.file.get_relative_path (add_file) != null) {
-                critical ("Trying to add child of existing project");
+                debug ("Trying to add child of existing project");
                 parents.append (item);
             }
         }
 
         if (parents.length () > 0 || children.length () > 0) {
-            var dialog = new Scratch.Dialogs.CloseProjectsConfirmationDialog ((MainWindow) get_toplevel ());
+            assert (parents.length () <= 1);
+            assert (parents.length () == 0 || children.length () == 0);
+            var dialog = new Scratch.Dialogs.CloseProjectsConfirmationDialog (
+                (MainWindow) get_toplevel (),
+                parents.length (),
+                children.length ()
+            );
 
             var close_projects = false;
             dialog.response.connect ((res) => {
@@ -554,7 +560,6 @@ public class Scratch.FolderManager.FileView : Code.Widgets.SourceList, Code.Pane
             } else {
                 return;
             }
-
         }
 
         // Process any closed signals emitted before proceeding