# Source code for taurus.qt.qtgui.util.qdraganddropdebug

    #!/usr/bin/env python

    # ###########################################################################
    #
    # This file is part of Taurus
    #
    # http://taurus-scada.org
    #
    # Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
    #
    # Taurus is free software: you can redistribute it and/or modify
    # it under the terms of the GNU Lesser General Public License as published by
    # the Free Software Foundation, either version 3 of the License, or
    # (at your option) any later version.
    #
    # Taurus is distributed in the hope that it will be useful,
    # but WITHOUT ANY WARRANTY; without even the implied warranty of
    # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    # GNU Lesser General Public License for more details.
    #
    # You should have received a copy of the GNU Lesser General Public License
    # along with Taurus.  If not, see <http://www.gnu.org/licenses/>.
    #
    # ###########################################################################

    __docformat__ = "restructuredtext"

    from taurus.external.qt import Qt

    class DropDebugger(Qt.QLabel):
        """A simple utility for debugging drag&drop.
        This widget will accept drops and show a pop-up with the contents
        of the MIME data passed in the drag&drop
        """

        def __init__(self, parent=None):
            Qt.QLabel.__init__(self, parent)
            self.setAcceptDrops(True)
            self.setText("Drop something here")
            self.setMinimumSize(300, 200)
            self.setWindowTitle("Drag&Drop Debugger")

        def dragEnterEvent(self, event):
            event.acceptProposedAction()

        def dropEvent(self, event):
            """reimplemented to support drag&drop of models.
            See :class:`QWidget`
            """
            msg = "<b>MIMETYPE</b>: DATA. <ul>"
            mimedata = event.mimeData()
            for format in mimedata.formats():
                data = mimedata.data(format)
                msg += '<li><b>{0}</b>: "{1}"</li>'.format(format, data)
            msg += "</ul>"
            Qt.QMessageBox.information(self, "Drop event received", msg)

    if __name__ == "__main__":
        import sys
        from taurus.qt.qtgui.application import TaurusApplication

        app = TaurusApplication(cmd_line_parser=None)
        w = DropDebugger()
        w.show()
        sys.exit(app.exec_())