Added missing functions getClient and IsSieveServerConnected and the changes that comes with it

UI/PreferencesUI/UIxPreferences.h

@@ -22,6 +22,7 @@
 #define UIXPREFERENCES_H
 
 #import <SOGoUI/UIxComponent.h>
+#import <NGImap4/NGSieveClient.h>
 
 @class NSString;
 
@@ -32,6 +33,7 @@
 {
   id item;
   SOGoUser *user;
+  NGSieveClient *client;
   
   // Calendar categories
   NSString *category;
@@ -58,6 +60,8 @@
 }
 
 - (NSString *) userLongDateFormat;
+- (BOOL) isSieveServerAvailable;
+- (id) getClient;
 
 @end
 

UI/PreferencesUI/UIxPreferences.m

@@ -114,6 +114,8 @@ static NSArray *reminderValues = nil;
   if ((self = [super init]))
     {
       item = nil;
+      client = [self getClient];
+      
 #warning user should be the owner rather than the activeUser
       ASSIGN (user, [context activeUser]);
       ASSIGN (today, [NSCalendarDate date]);
@@ -174,6 +176,7 @@ static NSArray *reminderValues = nil;
   [contactsCategories release];
   [forwardOptions release];
   [daysOfWeek release];
+  [client release];
   [super dealloc];
 }
 
@@ -840,26 +843,15 @@ static NSArray *reminderValues = nil;
 
 - (NSString *) sieveCapabilities
 {
-#warning sieve caps should be deduced from the server
   static NSArray *capabilities = nil;
-  SOGoMailAccounts *folder;
-  SOGoMailAccount *account;
-  SOGoSieveManager *manager;
-  NGSieveClient *client;
 
   if (!capabilities)
     {
-      folder = [[self clientObject] mailAccountsFolder: @"Mail"
-                                             inContext: context];
-      account = [folder lookupName: @"0" inContext: context acquire: NO];
-      manager = [SOGoSieveManager sieveManagerForUser: [context activeUser]];
-      client = [manager clientForAccount: account];
-
       if (client)
         capabilities = [client capabilities];
       else
         capabilities = [NSArray array];
-      [capabilities retain];
+        [capabilities retain];
     }
 
   return [capabilities jsonRepresentation];
@@ -1137,6 +1129,27 @@ static NSArray *reminderValues = nil;
     }
 }
 
+- (id) getClient{
+  SOGoMailAccount *account;
+  SOGoMailAccounts *folder;
+  SOGoSieveManager *manager;
+  NGSieveClient *realClient;
+  
+  folder = [[self clientObject] mailAccountsFolder: @"Mail" inContext: context];
+  account = [folder lookupName: @"0" inContext: context acquire: NO];
+  manager = [SOGoSieveManager sieveManagerForUser: [context activeUser]];
+  realClient = [manager clientForAccount: account];
+  
+  return realClient;
+}
+
+- (BOOL) isSieveServerAvailable {
+  return (([client isConnected])
+          ? true
+          : false);
+}
+
+
 - (id <WOActionResults>) defaultAction
 {
   id <WOActionResults> results;