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__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "07/04/2017"

from .. import HierarchicalTableView
from silx.gui.utils.testutils import TestCaseQt
from silx.gui import qt


class TableModel(HierarchicalTableView.HierarchicalTableModel):
    def __init__(self, parent):
        HierarchicalTableView.HierarchicalTableModel.__init__(self, parent)
        self.__content = {}

    def rowCount(self, parent=qt.QModelIndex()):
        return 3

    def columnCount(self, parent=qt.QModelIndex()):
        return 3

    def setData1(self):
        self.beginResetModel()

        content = {}
        content[0, 0] = ("title", True, (1, 3))
        content[0, 1] = ("a", True, (2, 1))
        content[1, 1] = ("b", False, (1, 2))
        content[1, 2] = ("c", False, (1, 1))
        content[2, 2] = ("d", False, (1, 1))
        self.__content = content

        self.endResetModel()

    def data(self, index, role=qt.Qt.DisplayRole):
        if not index.isValid():
            return None
        cell = self.__content.get((index.column(), index.row()), None)
        if cell is None:
            return None

        if role == self.SpanRole:
            return cell[2]
        elif role == self.IsHeaderRole:
            return cell[1]
        elif role == qt.Qt.DisplayRole:
            return cell[0]
        return None


class TestHierarchicalTableView(TestCaseQt):
    """Test for HierarchicalTableView"""

    def testEmpty(self):
        widget = HierarchicalTableView.HierarchicalTableView()
        widget.show()
        self.qWaitForWindowExposed(widget)

    def testModel(self):
        widget = HierarchicalTableView.HierarchicalTableView()
        model = TableModel(widget)
        # set the data before using the model into the widget
        model.setData1()
        widget.setModel(model)
        span = widget.rowSpan(0, 0), widget.columnSpan(0, 0)
        self.assertEqual(span, (1, 3))
        widget.show()
        self.qWaitForWindowExposed(widget)

    def testModelUpdate(self):
        widget = HierarchicalTableView.HierarchicalTableView()
        model = TableModel(widget)
        widget.setModel(model)
        # set the data after using the model into the widget
        model.setData1()
        span = widget.rowSpan(0, 0), widget.columnSpan(0, 0)
        self.assertEqual(span, (1, 3))
