[ease] Added error_dialog function, replacing various repeated implementations.

[Nate Stedman <natesm src gnome org>]

commit a094f0c5588079b9bb0e2182e5091d36b51de978
Author: Nate Stedman <natesm gmail com>
Date:   Fri Jun 4 05:35:56 2010 -0400

    Added error_dialog function, replacing various repeated implementations.

 Makefile.am           |    1 +
 src/Document.vala     |   12 +-----------
 src/EditorWindow.vala |   11 +----------
 src/ErrorDialog.vala  |   37 +++++++++++++++++++++++++++++++++++++
 src/HTMLExporter.vala |   11 +----------
 src/Main.vala         |   23 ++---------------------
 src/PDFExporter.vala  |   10 +---------
 7 files changed, 44 insertions(+), 61 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index cfaf39b..4b1306c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -21,6 +21,7 @@ ease_SOURCES = \
 	src/ElementMapValue.vala \
 	src/Element.vala \
 	src/Enums.vala \
+	src/ErrorDialog.vala \
 	src/Handle.vala \
 	src/HTMLExporter.vala \
 	src/ImageActor.vala \
diff --git a/src/Document.vala b/src/Document.vala
index 7873314..d0db74c 100644
--- a/src/Document.vala
+++ b/src/Document.vala
@@ -77,8 +77,6 @@ public class Ease.Document : GLib.Object
 	/**
 	 * Returns whether or not the Document has a { link Slide} after the
 	 * passed in { link Slide}.
-	 *
-	 * @param slide
 	 */
 	public bool has_next_slide(Slide slide)
 	{
@@ -147,15 +145,7 @@ public class Ease.Document : GLib.Object
 		}
 		catch (GLib.Error e)
 		{
-			var dialog = new Gtk.MessageDialog(null,
-			                                   Gtk.DialogFlags.NO_SEPARATOR,
-			                                   Gtk.MessageType.ERROR,
-			                                   Gtk.ButtonsType.CLOSE,
-			                                   _("Error exporting: %s"),
-			                                   e. message);
-			dialog.title = _("Error Exporting");
-			dialog.border_width = 5;
-			dialog.run();
+			error_dialog(_("Error exporting as HTML"), e.message);
 		}
 		
 		exporter.finish();
diff --git a/src/EditorWindow.vala b/src/EditorWindow.vala
index 68ebd2e..e4265a0 100644
--- a/src/EditorWindow.vala
+++ b/src/EditorWindow.vala
@@ -148,16 +148,7 @@ public class Ease.EditorWindow : Gtk.Window
 			try { JSONParser.document_write(document); }
 			catch (GLib.Error e)
 			{
-				var dialog = new Gtk.MessageDialog(null,
-					                               Gtk.DialogFlags.NO_SEPARATOR,
-					                               Gtk.MessageType.ERROR,
-					                               Gtk.ButtonsType.CLOSE,
-					                               _("Error saving: %s"),
-					                               e. message);
-			
-				dialog.title = _("Error Saving");
-				dialog.border_width = 5;
-				dialog.run();
+				error_dialog(_("Error Saving Document"), e.message);
 			}
 		});
 		
diff --git a/src/ErrorDialog.vala b/src/ErrorDialog.vala
new file mode 100644
index 0000000..e6b5cbf
--- /dev/null
+++ b/src/ErrorDialog.vala
@@ -0,0 +1,37 @@
+/*  Ease, a GTK presentation application
+    Copyright (C) 2010 Nate Stedman
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+namespace Ease
+{
+	/**
+	 * Display a simple error message.
+	 *
+	 * @param title The title of the dialog.
+	 * @param message The error message.
+	 */
+	public void error_dialog(string title, string message)
+	{
+		var dialog = new Gtk.MessageDialog(null, 0,
+		                                   Gtk.MessageType.ERROR,
+		                                   Gtk.ButtonsType.CLOSE,
+		                                   "%s", message);
+		dialog.title = title;
+		dialog.border_width = 5;
+		dialog.run();
+		dialog.destroy();
+	}
+}
diff --git a/src/HTMLExporter.vala b/src/HTMLExporter.vala
index 8adfab3..bcdf6c5 100644
--- a/src/HTMLExporter.vala
+++ b/src/HTMLExporter.vala
@@ -130,16 +130,7 @@ public class Ease.HTMLExporter : GLib.Object
 		}
 		catch (GLib.Error e)
 		{
-			var dialog = new Gtk.MessageDialog(null,
-				                               Gtk.DialogFlags.NO_SEPARATOR,
-				                               Gtk.MessageType.ERROR,
-				                               Gtk.ButtonsType.CLOSE,
-				                               _("Error copying: %s"),
-				                               e. message);
-			dialog.title = _("Error Copying File");
-			dialog.border_width = 5;
-			dialog.run();
-			dialog.destroy();
+			error_dialog(_("Error Copying File"), e.message);
 		}
 	}
 	
diff --git a/src/Main.vala b/src/Main.vala
index 0093c37..8b2467a 100644
--- a/src/Main.vala
+++ b/src/Main.vala
@@ -110,16 +110,7 @@ public static class Ease.Main : GLib.Object
 			}
 			catch (Error e)
 			{
-				var dialog = new Gtk.MessageDialog(null,
-					                               Gtk.DialogFlags.NO_SEPARATOR,
-					                               Gtk.MessageType.ERROR,
-					                               Gtk.ButtonsType.CLOSE,
-					                               _("Error playing: %s"),
-					                               e.message);
-			
-				dialog.title = _("Error Playing");
-				dialog.border_width = 5;
-				dialog.run();
+				error_dialog(_("Error Playing Document"), e.message);
 			}
 		}
 		
@@ -162,17 +153,7 @@ public static class Ease.Main : GLib.Object
 		}
 		catch (Error e)
 		{
-			var dialog = new Gtk.MessageDialog(null,
-			                                   Gtk.DialogFlags.NO_SEPARATOR,
-			                                   Gtk.MessageType.ERROR,
-			                                   Gtk.ButtonsType.CLOSE,
-			                                   _("Error loading: %s"),
-			                                   e.message);
-			
-			dialog.title = _("Error Loading");
-			dialog.border_width = 5;
-			dialog.run();
-			
+			error_dialog(_("Error Opening Document"), e.message);
 			return;
 		}
 	}
diff --git a/src/PDFExporter.vala b/src/PDFExporter.vala
index a3c0b24..9282361 100644
--- a/src/PDFExporter.vala
+++ b/src/PDFExporter.vala
@@ -61,15 +61,7 @@ public static class Ease.PDFExporter : Object
 		}
 		catch (Error e)
 		{
-			var error = new Gtk.MessageDialog(null,
-			                                  0,
-			                                   Gtk.MessageType.ERROR,
-			                                   Gtk.ButtonsType.CLOSE,
-			                                   _("Error exporting: %s"),
-			                                   e.message);
-			
-			error.title = _("Error Exporting to PDF");
-			error.run();
+			error_dialog(_("Error Exporting to PDF"), e.message);
 		}
 	}