• enabled SRID editing of spatial fields via WKT string

- the SRID value will be appended at the WKT string like POINT(1 1),101 which will be transformed to GeomFromText('POINT(1 1)',101) on the fly
- otherwise the SRID information will be deleted after editing a geometry field

1 files changed, 27 insertions, 0 deletions

diff --git a/Source/SPStringAdditions.m b/Source/SPStringAdditions.m
index 2eafb4e9..a8695dbb 100644
--- a/Source/SPStringAdditions.m
+++ b/Source/SPStringAdditions.m
@@ -375,6 +375,33 @@
 }
 
 /**
+ * Create the GeomFromText() string according to a possible SRID value
+ */
+- (NSString*)getGeomFromTextFromString
+{
+
+	NSString *geomStr = [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+
+	if(![self rangeOfString:@")"].length || [self length] < 5) return @"";
+
+	// No SRID
+	if([geomStr hasSuffix:@")"])
+		return [NSString stringWithFormat:@"GeomFromText('%@')", geomStr];
+	// Has SRID
+	else {
+		NSUInteger idx = [geomStr length]-1;
+		while(idx>1) {
+			if([geomStr characterAtIndex:idx] == ')')
+				break;
+			idx--;
+		}
+		return [NSString stringWithFormat:@"GeomFromText('%@'%@)",
+			[geomStr substringToIndex:idx+1], [geomStr substringFromIndex:idx+1]];
+	}
+
+}
+
+/**
  * Returns the minimum of a, b and c.
  */
 - (NSInteger)smallestOf:(NSInteger)a andOf:(NSInteger)b andOf:(NSInteger)c