Implement dragging import/export of URLs

Medianno/MAColorForURL.mm

@@ -8,6 +8,8 @@
 
 #import "MAColorForURL.h"
 
+#import <QTKit/QTKit.h>
+
 @implementation MAColorForURL
 
 + (Class)transformedValueClass 
@@ -22,7 +24,8 @@
 
 - (id)transformedValue:(id)value 
 {
-    if ([[NSFileManager defaultManager] fileExistsAtPath:value])
+    NSURL * mediaURL = [NSURL URLWithString:value];
+    if ([QTMovie canInitWithURL:mediaURL])
         return [NSColor blackColor];
     else
         return [NSColor redColor];

Medianno/MADocWindow.mm

@@ -94,8 +94,9 @@ static const char * kMADocWindowObserver = "MADocWindowObserver";
             // Current movie changed
             //
             if (MAMedia * currentMedia = [self currentMedia]) {
-                currentMovie = [[QTMovie alloc] initWithFile:[currentMedia media] error:nil];
-                currentMovieTitle = [currentMedia name];
+                NSURL * mediaURL    = [NSURL URLWithString:[currentMedia media]];
+                currentMovie        = [[QTMovie alloc] initWithURL:mediaURL error:nil];
+                currentMovieTitle   = [currentMedia name];
             } else {
                 currentMovie = nil;
                 currentMovieTitle = @"";

Medianno/MADocument.mm

@@ -42,7 +42,7 @@
 
 - (MAMedia *)addMediaURL:(NSURL *)url name:(NSString *)name date:(NSDate *)date
 {
-    NSString *      path        = [url path];
+    NSString *      path        = [url absoluteString];
     NSNumber *      size;
     [url getResourceValue:&size forKey:NSURLFileSizeKey error:nil];
     int64_t         fileSize    = [size longLongValue];

Medianno/MADragging.mm

@@ -41,10 +41,13 @@
 
 - (NSArray *)writableTypesForPasteboard:(NSPasteboard *)pasteboard
 {
-    if (![contents count] || [[contents objectAtIndex:0] class] != [MAMedia class])
+    MAMedia * media;
+    if (![contents count] || [(media = [contents objectAtIndex:0]) class] != [MAMedia class])
         return [NSArray arrayWithObjects:kMADragType, kUTTypeUTF8PlainText, nil];
+    else if ([[NSURL URLWithString:[media media]] isFileURL])
+        return [NSArray arrayWithObjects:kMADragType, kUTTypeFileURL, nil];
     else
-        return [NSArray arrayWithObjects:kMADragType, NSFilenamesPboardType, nil];
+        return [NSArray arrayWithObjects:kMADragType, kUTTypeURL, nil];
 }
 
 - (NSPasteboardWritingOptions)writingOptionsForType:(NSString *)type pasteboard:(NSPasteboard *)pasteboard
@@ -61,11 +64,8 @@
         for (id obj in contents)
             [stringBuffer appendFormat:@"%@\n", [obj exportText]];
         return stringBuffer;
-    } else if ([type isEqual:NSFilenamesPboardType]) {
-        NSMutableArray * urls = [NSMutableArray array];
-        for (MAMedia * obj in contents)
-            [urls addObject:[NSURL fileURLWithPath:[obj media]]];
-        return urls;
+    } else if ([type isEqual:(NSString *)kUTTypeURL] || [type isEqual:(NSString *)kUTTypeFileURL]) {
+        return [contents count]>0 ? [[contents objectAtIndex:0] media] : nil;
     }
     return nil;
 }
@@ -76,8 +76,9 @@
 
 - (void)registerOurDragTypes
 {
+    [mediaTable setDraggingSourceOperationMask:NSDragOperationCopy forLocal:NO];
     [mediaTable registerForDraggedTypes:
-     [NSArray arrayWithObjects:kMADragType,NSFilenamesPboardType, nil]];
+     [NSArray arrayWithObjects:kMADragType, NSFilenamesPboardType, kUTTypeURL, nil]];
     
     [annotationTable setDraggingSourceOperationMask:NSDragOperationEvery forLocal:NO];
     [annotationTable setVerticalMotionCanBeginDrag:NO];
@@ -110,7 +111,8 @@
     if (tableView == [info draggingSource])
         return NSDragOperationNone;
     NSPasteboard *  pb = [info draggingPasteboard];
-    if (id drag = [pb propertyListForType:kMADragType]) {
+    id              drag;
+    if ((drag = [pb propertyListForType:kMADragType])) {
         //
         // We don't allow media drops in annotation table
         //
@@ -128,7 +130,17 @@
             }
         }
         return NSDragOperationCopy;
-    } 
+    } else if (tableView == mediaTable) {
+        if ((drag = [pb propertyListForType:NSFilenamesPboardType])) {
+            [tableView setDropRow:row dropOperation:NSTableViewDropAbove];
+            return NSDragOperationLink;
+        } else if ((drag = [pb stringForType:(NSString *)kUTTypeURL])
+         || (drag = [pb stringForType:(NSString *)kUTTypeFileURL])
+        ) {
+            [tableView setDropRow:row dropOperation:NSTableViewDropAbove];
+            return NSDragOperationLink;
+        }
+    }
     return NSDragOperationNone;
 }
 
@@ -145,10 +157,21 @@
         if (row >= 0 && row < [allMedia count])
             media           = [allMedia objectAtIndex:row];
     }
-        
-    if (id drag = [pb propertyListForType:kMADragType])
+    
+    id drag;
+    if ((drag = [pb propertyListForType:kMADragType])) {
         for (id obj in (NSArray *)[drag longValue])
             [obj copyToDocument:doc withMedia:media];
+    } else if ((drag = [pb propertyListForType:NSFilenamesPboardType])) {
+        NSMutableArray * urls = [NSMutableArray array];
+        for (NSString * path in drag)
+            [urls addObject:[NSURL fileURLWithPath:path]];
+        [self addMedia:urls];
+    } else if ((drag = [pb stringForType:(NSString *)kUTTypeURL]) 
+            || (drag = [pb stringForType:(NSString *)kUTTypeFileURL])
+    ) {
+        [self addMedia:[NSArray arrayWithObject:[NSURL URLWithString:drag]]];
+    }
     return YES;
 }
 

Medianno/MAMedia.mm

@@ -20,7 +20,7 @@
 
 - (MAMedia *)copyToDocument:(MADocument *)doc withMedia:(MAMedia *)m
 {
-    MAMedia * media = [doc addMediaURL:[NSURL fileURLWithPath:self.media] 
+    MAMedia * media = [doc addMediaURL:[NSURL URLWithString:self.media] 
                                   name:self.name 
                                   date:[NSDate dateWithTimeIntervalSinceReferenceDate:self.date]];
     media.notes     = self.notes;