Added support for dynamic mail labels/tags management.

The CSS in the UIxPreferences remains to be done.

SoObjects/Mailer/SOGoMailLabel.h

@@ -0,0 +1,50 @@
+/*
+  Copyright (C) 2013 Inverse inc.
+
+  This file is part of SOGo.
+
+  SOGo is free software; you can redistribute it and/or modify it under
+  the terms of the GNU Lesser General Public License as published by the
+  Free Software Foundation; either version 2, or (at your option) any
+  later version.
+
+  SOGo 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 Lesser General Public
+  License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with OGo; see the file COPYING.  If not, write to the
+  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+  02111-1307, USA.
+*/
+
+#ifndef SOGOMAILLABEL_H
+#define SOGOMAILLABEL_H
+
+#import <Foundation/NSArray.h>
+#import <Foundation/NSString.h>
+
+#import "../../UI/SOGoUI/UIxComponent.h";
+
+@interface SOGoMailLabel : NSObject
+{
+  NSString *_name;
+  NSString *_label;
+  NSString *_color;
+}
+
+- (id) initWithName: (NSString *) theName
+              label: (NSString *) theLabel
+              color: (NSString *) theColor;
+
+- (NSString *) name;
+- (NSString *) label;
+- (NSString *) color;
+
++ (NSArray *) labelsFromDefaults: (NSDictionary *) theDefaults
+                       component: (UIxComponent *) theComponent;
+
+@end
+
+#endif // SOGOMAILLABEL_H