DataTransferSupport.java 文件源码

/** Fills in the list of paste types available for given set to transfered
 * DataObjects.
 * @param t clipboard Transferable object, list of transfered DataObjects with their flavors
 * @param s list of paste types supported for transfered objects
 */
public final void createPasteTypes (Transferable t, java.util.List<PasteType> s) {
    /** All supported operations. */
    int [] ops = defineOperations ();

    for (int i = 0; i < ops.length; i++) {
        DataObject objs [] = LoaderTransfer.getDataObjects (t, ops[i]);
        PasteTypeExt pts [];

        if (objs == null || objs.length == 0)
            continue;

        pts = definePasteTypes (ops[i]);

        for (int j = 0; j < pts.length; j++) {
            pts[j].setDataObjects (objs);
            if (pts[j].canPaste ())
                s.add (pts[j]);
        }
    }

    handleCreatePasteTypes (t, s);
}