Implement copy & paste

Medianno/MADocWindow.h

@@ -38,6 +38,7 @@
 - (IBAction)mediaSkipBackward:(id)sender;
 - (IBAction)mediaSkipForward:(id)sender;
 - (IBAction)toggleMediaPlay:(id)sender;
+- (IBAction)delete:(id)sender;
 - (QTTime)currentMovieTime;
 - (void)moviePanelDidAppear;
 - (void)moviePanelDidClose;

Medianno/MADocWindow.mm

@@ -282,6 +282,9 @@ static const char * kMADocWindowObserver = "MADocWindowObserver";
     )
         return YES;
   
+    if ([item action] == @selector(paste:))
+        return [self canPaste];
+    
     NSMenuItem * menuItem = (NSMenuItem *)item;
     if ([item action] == @selector(toggleMediaPlay:)) {
          if ([currentMovie rate] > 0.0f)

Medianno/MADocument.mm

@@ -44,8 +44,11 @@
 {
     NSString *      path        = [url absoluteString];
     NSNumber *      size;
-    [url getResourceValue:&size forKey:NSURLFileSizeKey error:nil];
+    int64_t         fileSize;
-    int64_t         fileSize    = [size longLongValue];
+    if ([url getResourceValue:&size forKey:NSURLFileSizeKey error:nil])
+        fileSize    = [size longLongValue];
+    else
+        fileSize    = 0;
     NSTimeInterval  fileDate    = [date timeIntervalSinceReferenceDate];
 
     NSManagedObjectContext *moc     = [self managedObjectContext];

Medianno/MADragging.h

@@ -9,10 +9,16 @@
 #import <Foundation/Foundation.h>
 #import "MADocWindow.h"
 #import "MATagWindow.h"
+#import "MAAppController.h"
 
 @interface MADocWindow (Dragging)
 
 - (void)registerOurDragTypes;
+- (BOOL)canPaste;
+
+- (IBAction)cut:(id)sender;
+- (IBAction)copy:(id)sender;
+- (IBAction)paste:(id)sender;
 
 @end
 
@@ -20,4 +26,7 @@
 
 - (void)registerOurDragTypes;
 
+- (IBAction)cut:(id)sender;
+- (IBAction)copy:(id)sender;
+
 @end

Medianno/MADragging.mm

@@ -15,12 +15,15 @@
 
 #define kMADragType @"org.aereperennius.medianno"
 
+static NSPointerArray * sValidPasteboardData;
+
 @interface MAPasteboardData : NSObject <NSPasteboardWriting> {
     NSArray * contents;
 }
 
 - (id)initWithArray:(NSArray *)array;
 + (id)pasteboardDataWithArray:(NSArray *)array;
++ (NSArray *)arrayFromPasteboard:(NSPasteboard *)pboard;
 
 @end
  
@@ -28,8 +31,13 @@
 
 - (id)initWithArray:(NSArray *)array
 {
+    if (!sValidPasteboardData)
+        sValidPasteboardData = [[NSPointerArray alloc] initWithOptions:NSPointerFunctionsZeroingWeakMemory];
     self        = [super init];
     contents    = array;
+    if ([sValidPasteboardData count] > 10)
+        [sValidPasteboardData compact];
+    [sValidPasteboardData addPointer:contents];
     
     return self;
 }
@@ -39,6 +47,17 @@
     return [[[MAPasteboardData alloc] initWithArray:array] autorelease];
 }
 
++ (NSArray *)arrayFromPasteboard:(NSPasteboard *)pboard
+{
+    if (NSNumber * drag = [pboard propertyListForType:kMADragType]) {
+        NSArray * possibleArray = (NSArray *)[drag longValue];
+        for (NSUInteger count = [sValidPasteboardData count]; count--; )
+            if ([sValidPasteboardData pointerAtIndex:count] == possibleArray)
+                return possibleArray;
+    }
+    return nil;
+}
+
 - (NSArray *)writableTypesForPasteboard:(NSPasteboard *)pasteboard
 {
     MAMedia * media;
@@ -96,10 +115,30 @@
     return YES;
 }
 
-- (Class)classOfDraggedObjects:(id)drag
+- (IBAction)copy:(id)sender
 {
-    NSArray * dragObjects = (NSArray *)[drag longValue]; 
+    NSPasteboard* pboard    = [NSPasteboard pasteboardWithName:NSGeneralPboard];
+    NSResponder * responder = [[self window] firstResponder];
+    while (responder && responder != self) {
+        if (responder == mediaTable) {
+            [self tableView:mediaTable writeRowsWithIndexes:[mediaController selectionIndexes] toPasteboard:pboard];
+            break;
+        } else if (responder == annotationTable) {
+            [self tableView:annotationTable writeRowsWithIndexes:[annotationController selectionIndexes] toPasteboard:pboard];
+            break;
+        }
+        responder = [responder nextResponder];
+    }
+}
  
+- (IBAction)cut:(id)sender
+{
+    [self copy:sender];
+    [self delete:sender];
+}
+
+- (Class)classOfDraggedObjects:(NSArray *)dragObjects
+{
     return [dragObjects count] ? [[dragObjects objectAtIndex:0] class] : nil;
 }
 
@@ -110,9 +149,9 @@
     //
     if (tableView == [info draggingSource])
         return NSDragOperationNone;
-    NSPasteboard *  pb = [info draggingPasteboard];
+    NSPasteboard *  pboard = [info draggingPasteboard];
     id              drag;
-    if ((drag = [pb propertyListForType:kMADragType])) {
+    if ((drag = [MAPasteboardData arrayFromPasteboard:pboard])) {
         //
         // We don't allow media drops in annotation table
         //
@@ -131,11 +170,11 @@
         }
         return NSDragOperationCopy;
     } else if (tableView == mediaTable) {
-        if ((drag = [pb propertyListForType:NSFilenamesPboardType])) {
+        if ((drag = [pboard propertyListForType:NSFilenamesPboardType])) {
             [tableView setDropRow:row dropOperation:NSTableViewDropAbove];
             return NSDragOperationLink;
-        } else if ((drag = [pb stringForType:(NSString *)kUTTypeURL])
+        } else if ((drag = [pboard stringForType:(NSString *)kUTTypeURL])
-         || (drag = [pb stringForType:(NSString *)kUTTypeFileURL])
+         || (drag = [pboard stringForType:(NSString *)kUTTypeFileURL])
         ) {
             [tableView setDropRow:row dropOperation:NSTableViewDropAbove];
             return NSDragOperationLink;
@@ -146,7 +185,7 @@
 
 - (BOOL)tableView:(NSTableView *)tableView acceptDrop:(id<NSDraggingInfo>)info row:(NSInteger)row dropOperation:(NSTableViewDropOperation)dropOperation
 {
-    NSPasteboard *  pb      = [info draggingPasteboard];
+    NSPasteboard *  pboard  = [info draggingPasteboard];
     MADocument *    doc     = [self document];
     MAMedia *       media   = nil;
     
@@ -159,22 +198,69 @@
     }
     
     id drag;
-    if ((drag = [pb propertyListForType:kMADragType])) {
+    if ((drag = [MAPasteboardData arrayFromPasteboard:pboard])) {
-        for (id obj in (NSArray *)[drag longValue])
+        for (id obj in drag)
             [obj copyToDocument:doc withMedia:media];
-    } else if ((drag = [pb propertyListForType:NSFilenamesPboardType])) {
+    } else if ((drag = [pboard 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]) 
+    } else if ((drag = [pboard stringForType:(NSString *)kUTTypeURL]) 
-            || (drag = [pb stringForType:(NSString *)kUTTypeFileURL])
+            || (drag = [pboard stringForType:(NSString *)kUTTypeFileURL])
     ) {
         [self addMedia:[NSArray arrayWithObject:[NSURL URLWithString:drag]]];
     }
     return YES;
 }
 
+- (IBAction)paste:(id)sender
+{
+    NSPasteboard*           pboard  = [NSPasteboard pasteboardWithName:NSGeneralPboard];
+    MADocument *            doc     = [self document];
+    NSManagedObjectContext *moc     = [doc managedObjectContext];  
+    
+    id drag;
+    if ((drag = [MAPasteboardData arrayFromPasteboard:pboard])) {
+        MAMedia * media   = [self currentMedia];
+        for (id obj in drag)
+            if ([obj managedObjectContext] != moc)
+                [obj copyToDocument:doc withMedia:media];
+    } else if ((drag = [pboard propertyListForType:NSFilenamesPboardType])) {
+        NSMutableArray * urls = [NSMutableArray array];
+        for (NSString * path in drag)
+            [urls addObject:[NSURL fileURLWithPath:path]];
+        [self addMedia:urls];
+    } else if ((drag = [pboard stringForType:(NSString *)kUTTypeURL]) 
+               || (drag = [pboard stringForType:(NSString *)kUTTypeFileURL])
+               ) {
+        [self addMedia:[NSArray arrayWithObject:[NSURL URLWithString:drag]]];
+    }
+}
+
+- (BOOL)canPaste
+{
+    NSPasteboard*           pboard  = [NSPasteboard pasteboardWithName:NSGeneralPboard];
+    id drag;
+    if ((drag = [MAPasteboardData arrayFromPasteboard:pboard])) {
+        MAMedia * media   = [self currentMedia];
+         if (![drag count])
+            return NO;
+        id obj = [drag objectAtIndex:0];
+        if ([obj managedObjectContext] == [[self document] managedObjectContext])
+            return NO;
+        else 
+            return [obj class] != [MAAnno class] || media;
+    } else if ((drag = [pboard propertyListForType:NSFilenamesPboardType])) {
+        return YES;
+    } else if ((drag = [pboard stringForType:(NSString *)kUTTypeURL]) 
+               || (drag = [pboard stringForType:(NSString *)kUTTypeFileURL])
+    ) {
+        return YES;
+    }    
+    return NO;
+}
+
 @end
 
 @implementation MATagWindow (Dragging)
@@ -192,8 +278,18 @@
     NSArray * objects = [[tagController arrangedObjects] objectsAtIndexes:rowIndexes];
     [pboard clearContents];
     [pboard writeObjects:[NSArray arrayWithObject:[MAPasteboardData pasteboardDataWithArray:objects]]];    
-    
     return YES;
 }
 
+- (IBAction)copy:(id)sender
+{
+    [self tableView:nil writeRowsWithIndexes:[tagController selectionIndexes] toPasteboard:[NSPasteboard pasteboardWithName:NSGeneralPboard]];
+}
+
+- (IBAction)cut:(id)sender
+{
+    [self copy:sender];
+    [self delete:sender];
+}
+
 @end

Medianno/MATagWindow.h

@@ -16,6 +16,8 @@
 @property (assign) NSDocument *   currentDocument;
 
 - (IBAction)toggleWindow:(id)sender;
+- (IBAction)delete:(id)sender;
+
 - (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)item;
 
 @end

Medianno/MATagWindow.mm

@@ -48,7 +48,7 @@
     if (![self isWindowLoaded] || ![[self window] isVisible])
         return NO;
     
-    if ([item action] == @selector(delete:))
+    if ([item action] == @selector(delete:) || [item action] == @selector(cut:) || [item action] == @selector(copy:))
         return [tagController selectionIndex] != NSNotFound;
     
     return NO;