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【OSX】【swift】Drag & Dropを受け付ける(ファイルパスを取得)

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NSViewを継承したクラスを作ったとして、


class AcceptDragView: NSView {

    required init?(coder: NSCoder) {
        super.init(coder: coder)
        self.registerForDraggedTypes([NSFilenamesPboardType]);
    }

ドラッグの受け付けるタイプを指定する。

    override func draggingEntered(sender:NSDraggingInfo)->NSDragOperation{
        return NSDragOperation.Generic;
//        return NSDragOperation.Copy; //マウスポインタがかわる(+の緑アイコンがつく)
//        return NSDragOperation.Link;
    }

ドラッグされてきた場合の動きを調整。
returnに合わせて、マウスポインタの見せ方を変えることが可能

    override func performDragOperation(sender:NSDraggingInfo)->Bool{
        var pboard:NSPasteboard! = sender.draggingPasteboard()
        if pboard != nil {
            pboard = sender.draggingPasteboard()
            if contains(pboard.types as [NSString],NSFilenamesPboardType) {
                var files:[String] = pboard.propertyListForType(NSFilenamesPboardType) as [String]
                println(files)
            }
            return true
        }
        return false
    }

filesにそのファイルパスが格納されています。
(複数のファイルがドラッグされてくることも考えられるので、配列になっています

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