[ease/save] [editor] Added Save As and Save a Copy handlers.

[Nate Stedman <natesm src gnome org>]

commit bcdcd806cdeb77eef2256ec1429707b6dbe5d83c
Author: Nate Stedman <natesm gmail com>
Date:   Fri Jul 2 13:39:49 2010 -0400

    [editor] Added Save As and Save a Copy handlers.

 data/ui/editor-window.ui    |    2 +
 src/ease-editor-window.vala |   98 +++++++++++++++++++++++++++++++++++--------
 2 files changed, 82 insertions(+), 18 deletions(-)
---
diff --git a/data/ui/editor-window.ui b/data/ui/editor-window.ui
index 6793131..3b1fcde 100644
--- a/data/ui/editor-window.ui
+++ b/data/ui/editor-window.ui
@@ -53,6 +53,7 @@
                     <property name="visible">True</property>
                     <property name="use_underline">True</property>
                     <property name="use_stock">True</property>
+                    <signal name="activate" handler="ease_editor_window_save_document_as"/>
                   </object>
                 </child>
                 <child>
@@ -62,6 +63,7 @@
                     <property name="use_underline">True</property>
                     <property name="image">image1</property>
                     <property name="use_stock">False</property>
+                    <signal name="activate" handler="ease_editor_window_save_document_copy"/>
                   </object>
                 </child>
                 <child>
diff --git a/src/ease-editor-window.vala b/src/ease-editor-window.vala
index 1e4b6f8..ccd98f8 100644
--- a/src/ease-editor-window.vala
+++ b/src/ease-editor-window.vala
@@ -332,29 +332,15 @@ public class Ease.EditorWindow : Gtk.Window
 	{
 		if (document.filename == null)
 		{
-			var dialog =
-				new Gtk.FileChooserDialog(_("Save Document"),
-	        	                          null,
-	        	                          Gtk.FileChooserAction.SAVE,
-	        	                          "gtk-cancel",
-	        	                          Gtk.ResponseType.CANCEL,
-	        	                          "gtk-save",
-	        	                          Gtk.ResponseType.ACCEPT, null);
-	        
-	        var filter = new Gtk.FileFilter();
-			filter.add_pattern("*.ease");
-			dialog.filter = filter;
-
-			if (dialog.run() == Gtk.ResponseType.ACCEPT)
+			var filename = save_document_dialog(_("Save Document"));
+			if (filename == null)
 			{
-				document.filename = dialog.get_filename();
+				return false;
 			}
 			else
 			{
-				dialog.destroy();
-				return false;
+				document.filename = filename;
 			}
-			dialog.destroy();
 		}
 	
 		try
@@ -371,6 +357,82 @@ public class Ease.EditorWindow : Gtk.Window
 	}
 	
 	[CCode (instance_pos = -1)]
+	public void save_document_as(Gtk.Widget sender)
+	{
+		// save the old filename in case of error
+		var old = document.filename;
+		
+		// request a new filename
+		var filename = save_document_dialog(_("Save Document As"));
+		if (filename == null) return;
+		
+		// set the new filename
+		document.filename = filename;
+		
+		// save the document
+		try
+		{
+			JSONParser.document_write(document);
+			last_saved = 0;
+		}
+		catch (GLib.Error e)
+		{
+			filename = old;
+			error_dialog(_("Error Saving Document"), e.message);
+			return;
+		}
+	}
+	
+	[CCode (instance_pos = -1)]
+	public void save_document_copy(Gtk.Widget sender)
+	{
+		var old = document.filename;
+		
+		// request a new filename
+		var filename = save_document_dialog(_("Save a Copy"));
+		if (filename == null) return;
+		
+		// save the document
+		try
+		{
+			JSONParser.document_write(document);
+			last_saved = 0;
+		}
+		catch (GLib.Error e)
+		{
+			error_dialog(_("Error Saving Copy"), e.message);
+		}
+		
+		// restore the old filename
+		document.filename = old;
+	}
+	
+	private string? save_document_dialog(string title)
+	{
+		var dialog = new Gtk.FileChooserDialog(title,
+	        	                               null,
+	        	                               Gtk.FileChooserAction.SAVE,
+	        	                               "gtk-cancel",
+		                                       Gtk.ResponseType.CANCEL,
+		                                       "gtk-save",
+		                                       Gtk.ResponseType.ACCEPT, null);
+	        
+        var filter = new Gtk.FileFilter();
+		filter.add_pattern("*.ease");
+		dialog.filter = filter;
+
+		if (dialog.run() == Gtk.ResponseType.ACCEPT)
+		{
+			var filename = dialog.get_filename();
+			dialog.destroy();
+			return filename;
+		}
+		
+		dialog.destroy();
+		return null;
+	}
+	
+	[CCode (instance_pos = -1)]
 	public void export_to_pdf(Gtk.Widget sender)
 	{
 		PDFExporter.export(document, this);