X-Git-Url: https://code.grnet.gr/git/pithos-ios/blobdiff_plain/ba01f5a7e8c2db54308a046d5a8eb4dd1541ed0e..d6b38316924ac9fff419909a650e0572f99b3eaa:/Classes/EditPermissionsViewController.m

diff --git a/Classes/EditPermissionsViewController.m b/Classes/EditPermissionsViewController.m
index 6c0dd94..9fc8e2c 100644
--- a/Classes/EditPermissionsViewController.m
+++ b/Classes/EditPermissionsViewController.m
@@ -135,7 +135,7 @@
             UITextField *textField = [[UITextField alloc] initWithFrame:rect];
             [textField setFrame:rect];
             [textField setClearButtonMode:UITextFieldViewModeWhileEditing];
-            [textField setBackgroundColor:[UIColor whiteColor]];
+            [textField setBackgroundColor:[UIColor clearColor]];
             [textField setOpaque:YES];
             [textField setAutocorrectionType:UITextAutocorrectionTypeNo];
             [textField setAutocapitalizationType:UITextAutocapitalizationTypeNone];
@@ -196,12 +196,8 @@
         UITextField *textField = [[cell.contentView subviews] objectAtIndex:0];
         newUserName = textField.text;
     
-        if ([newUserName length] == 0 
-            || [[newUserName stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] length] == 0) {
-            [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
-            [self alert:@"Invalid input" message:@"User name field cannot be empty"];
-            return;
-        }
+        if (![self userInputIsValid:newUserName])
+            return; 
     }
 
     if (indexPath.section == kPermissions) {
@@ -326,10 +322,7 @@
 
 - (void)textFieldDidEndEditing:(UITextField *)textField
 {
-    if ([textField.text length] == 0
-        || [[textField.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] length] == 0) {
-        [self alert:@"Invalid input" message:@"User name field cannot be empty"];
-    }
+    [self userInputIsValid:textField.text];
 }
 
 
@@ -367,5 +360,25 @@
     else return [NSString stringWithFormat:@"%@;%@", readPermissionsString, writePermissionsString];
 }
 
+- (BOOL)userInputIsValid:(NSString *)input {
+    if ([input length] == 0
+        || [[input stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] length] == 0
+        ) {
+        [self alert:@"Invalid input" message:@"User name field cannot be empty"];
+        return NO;
+    }
+    else {
+        NSCharacterSet *set = [NSCharacterSet characterSetWithCharactersInString:@"=,;"];
+        if ([input rangeOfCharacterFromSet:set].location != NSNotFound) {
+            [self alert:@"Invalid input" message:@"User name cannot contain '=', ',' or ';'"];
+            return NO;
+        }
+        else {
+            return YES;
+        }
+    }
+    
+    return YES;
+}
 
 @end