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# Source code for samsifter.views.filterviews

    # -*- coding: utf-8 -*-
    """
    Extensions of standard Qt views for trees and lists.

    .. moduleauthor:: Florian Aldehoff <faldehoff@student.uni-tuebingen.de>
    """

    """ Qt4 """
    from PyQt4.QtGui import (QAbstractItemView, QListView, QTreeWidget)

    class FilterTreeWidget(QTreeWidget):
        """Tree widget for filter items.

        Used for hierarchical classification of tools and filters in the dock
        widget showing available workflow actions.

        Note
        ----
        See :py:class:`samsifter.models.filter_model.FilterTreeModel` for details
        on the current status of Drap&Drop implementation.
        """

        def __init__(self, parent=None):
            super(FilterTreeWidget, self).__init__(parent)
    #        self.setAcceptDrops(True)
    #        self.setDragEnabled(True)
    #        self.setDropIndicatorShown(True)
    #        self.setDefaultDropAction(Qt.MoveAction)
    #        self.setHeaderHidden(True)

    class FilterListView(QListView):
        """List view for filter items.

        Used for the listing of consecutive filter actions in the main window.

        Note
        ----
        See :py:class:`samsifter.models.filter_model.FilterListModel` for details
        on the current status of Drap&Drop implementation.
        """

        def __init__(self, parent=None):
            super(FilterListView, self).__init__(parent)
            self.viewport().setAutoFillBackground(True)
    #        self.setAcceptDrops(True)
    #        self.setDragEnabled(True)
    #        self.setDropIndicatorShown(True)
    #        self.setDefaultDropAction(Qt.MoveAction)
            self.setSelectionMode(QAbstractItemView.SingleSelection)

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