• added SPTooltip to CustomQuery result table to display the cell's content as text with line breaks and tabs or as image

1 files changed, 42 insertions, 0 deletions

diff --git a/Source/CustomQuery.m b/Source/CustomQuery.m
index f37d8613..6bdfe191 100644
--- a/Source/CustomQuery.m
+++ b/Source/CustomQuery.m
@@ -36,6 +36,7 @@
 #import "RegexKitLite.h"
 #import "SPFieldEditorController.h"
 #import "SPTextAndLinkCell.h"
+#import "SPTooltip.h"
 
 #define SP_MYSQL_DEV_SEARCH_URL   @"http://search.mysql.com/search?q=%@&site=refman-%@"
 #define SP_HELP_SEARCH_IN_MYSQL   0
@@ -1685,6 +1686,47 @@
 #pragma mark -
 #pragma mark TableView delegate methods
 
+/**
+ * Show the table cell content as tooltip
+ * - for text displays line breaks and tabs as well
+ * - if blob data can be interpret as image data display the image as  transparent thumbnail
+ *    (up to now using base64 encoded HTML data)
+ */
+- (NSString *)tableView:(NSTableView *)aTableView toolTipForCell:(SPTextAndLinkCell *)aCell rect:(NSRectPointer)rect tableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)row mouseLocation:(NSPoint)mouseLocation
+{
+
+	if([[aCell stringValue] length] < 1) return nil;
+
+	NSPoint pos = [NSEvent mouseLocation];
+	pos.y -= 20;
+	
+	// Get the original data for trying to display the blob data as an image
+	id theValue = NSArrayObjectAtIndex(NSArrayObjectAtIndex(fullResult, row), [[aTableColumn identifier] intValue]);
+	if ([theValue isKindOfClass:[NSData class]]) {
+		NSImage *image = [[NSImage alloc] initWithData:theValue];
+		if(image) {
+			int imageWidth = [image size].width;
+			if (imageWidth > 100) imageWidth = 100;
+			[SPTooltip showWithObject:[NSString stringWithFormat:
+					@"<IMG WIDTH='%d' SRC=\"data:image/auto;base64,%@\">", 
+						imageWidth, 
+						[[image TIFFRepresentationUsingCompression:NSTIFFCompressionJPEG factor:0.01] base64EncodingWithLineLength:0]]  
+				atLocation:pos 
+				ofType:@"html" 
+				displayOptions:[NSDictionary dictionaryWithObjectsAndKeys:@"transparent", @"transparent", nil]];
+		}
+		[image release];
+		return nil;
+	}
+
+	// Show the cell string value as tooltip (including line breaks and tabs)
+	if([[aCell stringValue] length] > 1)
+		[SPTooltip showWithObject:[aCell stringValue] atLocation:pos];
+
+	return nil;
+}
+
+
 /*
  * Double-click action on a field
  */