本文整理汇总了Python中qgis.core.QgsStyleModel.rowCount方法的典型用法代码示例。如果您正苦于以下问题:Python QgsStyleModel.rowCount方法的具体用法?Python QgsStyleModel.rowCount怎么用?Python QgsStyleModel.rowCount使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsStyleModel
的用法示例。
在下文中一共展示了QgsStyleModel.rowCount方法的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_add_delete_symbols
# 需要导入模块: from qgis.core import QgsStyleModel [as 别名]
# 或者: from qgis.core.QgsStyleModel import rowCount [as 别名]
def test_add_delete_symbols(self):
style = QgsStyle()
style.createMemoryDatabase()
model = QgsStyleModel(style)
self.assertEqual(model.rowCount(), 0)
symbol = createMarkerSymbol()
self.assertTrue(style.addSymbol('a', symbol, True))
self.assertEqual(model.rowCount(), 1)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
symbol = createMarkerSymbol()
self.assertTrue(style.addSymbol('c', symbol, True))
self.assertEqual(model.rowCount(), 2)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'c')
symbol = createMarkerSymbol()
self.assertTrue(style.addSymbol('b', symbol, True))
self.assertEqual(model.rowCount(), 3)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'b')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'c')
symbol = createMarkerSymbol()
self.assertTrue(style.addSymbol('1', symbol, True))
self.assertEqual(model.rowCount(), 4)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), '1')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'b')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'c')
self.assertFalse(style.removeSymbol('xxxx'))
self.assertEqual(model.rowCount(), 4)
self.assertTrue(style.removeSymbol('b'))
self.assertEqual(model.rowCount(), 3)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), '1')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'c')
self.assertTrue(style.removeSymbol('1'))
self.assertEqual(model.rowCount(), 2)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'c')
self.assertTrue(style.removeSymbol('c'))
self.assertEqual(model.rowCount(), 1)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
self.assertTrue(style.removeSymbol('a'))
self.assertEqual(model.rowCount(), 0)
示例2: testSetData
# 需要导入模块: from qgis.core import QgsStyleModel [as 别名]
# 或者: from qgis.core.QgsStyleModel import rowCount [as 别名]
def testSetData(self):
"""
Test model set data
"""
style = QgsStyle()
style.createMemoryDatabase()
symbol_a = createMarkerSymbol()
symbol_a.setColor(QColor(255, 10, 10))
self.assertTrue(style.addSymbol('a', symbol_a, True))
ramp_a = QgsLimitedRandomColorRamp(5)
self.assertTrue(style.addColorRamp('ramp a', ramp_a, True))
model = QgsStyleModel(style)
self.assertEqual(model.rowCount(), 2)
self.assertEqual(style.symbolNames(), ['a'])
self.assertFalse(model.setData(QModelIndex(), 'b', Qt.EditRole))
self.assertFalse(model.setData(model.index(0, 1), 'b', Qt.EditRole))
self.assertTrue(model.setData(model.index(0, 0), 'new symbol name', Qt.EditRole))
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'new symbol name')
self.assertEqual(style.symbolNames(), ['new symbol name'])
self.assertTrue(model.setData(model.index(1, 0), 'ramp new name', Qt.EditRole))
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'ramp new name')
self.assertEqual(style.colorRampNames(), ['ramp new name'])
示例3: test_style_with_ramps
# 需要导入模块: from qgis.core import QgsStyleModel [as 别名]
# 或者: from qgis.core.QgsStyleModel import rowCount [as 别名]
def test_style_with_ramps(self):
style = QgsStyle()
style.createMemoryDatabase()
# style with only ramps
ramp_a = QgsLimitedRandomColorRamp(5)
self.assertTrue(style.addColorRamp('a', ramp_a, True))
style.tagSymbol(QgsStyle.ColorrampEntity, 'a', ['tag 1', 'tag 2'])
symbol_B = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('B ', symbol_B, True))
symbol_b = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('b', symbol_b, True))
symbol_C = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('C', symbol_C, True))
style.tagSymbol(QgsStyle.ColorrampEntity, 'C', ['tag 3'])
symbol_C = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp(' ----c/- ', symbol_C, True))
model = QgsStyleModel(style)
self.assertEqual(model.rowCount(), 5)
self.assertEqual(model.columnCount(), 2)
self.assertTrue(model.index(0, 0).isValid())
self.assertFalse(model.index(10, 0).isValid())
self.assertFalse(model.index(0, 10).isValid())
self.assertFalse(model.parent(model.index(0, 0)).isValid())
for role in (Qt.DisplayRole, Qt.EditRole):
self.assertIsNone(model.data(model.index(-1, 0), role))
self.assertIsNone(model.data(model.index(-1, 1), role))
self.assertEqual(model.data(model.index(0, 0), role), ' ----c/- ')
self.assertFalse(model.data(model.index(0, 1), role))
self.assertIsNone(model.data(model.index(0, 2), role))
self.assertIsNone(model.data(model.index(0, -1), role))
self.assertEqual(model.data(model.index(1, 0), role), 'B ')
self.assertFalse(model.data(model.index(1, 1), role))
self.assertEqual(model.data(model.index(2, 0), role), 'C')
self.assertEqual(model.data(model.index(2, 1), role), 'tag 3')
self.assertEqual(model.data(model.index(3, 0), role), 'a')
self.assertEqual(model.data(model.index(3, 1), role), 'tag 1, tag 2')
self.assertEqual(model.data(model.index(4, 0), role), 'b')
self.assertFalse(model.data(model.index(4, 1), role))
self.assertIsNone(model.data(model.index(5, 0), role))
self.assertIsNone(model.data(model.index(5, 1), role))
# decorations
self.assertIsNone(model.data(model.index(-1, 0), Qt.DecorationRole))
self.assertIsNone(model.data(model.index(0, 1), Qt.DecorationRole))
self.assertIsNone(model.data(model.index(5, 0), Qt.DecorationRole))
self.assertFalse(model.data(model.index(0, 0), Qt.DecorationRole).isNull())
self.assertEqual(model.data(model.index(0, 0), QgsStyleModel.TypeRole), QgsStyle.ColorrampEntity)
self.assertEqual(model.data(model.index(1, 0), QgsStyleModel.TypeRole), QgsStyle.ColorrampEntity)
self.assertEqual(model.data(model.index(4, 0), QgsStyleModel.TypeRole), QgsStyle.ColorrampEntity)
示例4: test_add_remove_ramps
# 需要导入模块: from qgis.core import QgsStyleModel [as 别名]
# 或者: from qgis.core.QgsStyleModel import rowCount [as 别名]
def test_add_remove_ramps(self):
style = QgsStyle()
style.createMemoryDatabase()
model = QgsStyleModel(style)
symbol = createMarkerSymbol()
self.assertTrue(style.addSymbol('a', symbol, True))
symbol = createMarkerSymbol()
self.assertTrue(style.addSymbol('c', symbol, True))
self.assertEqual(model.rowCount(), 2)
ramp_a = QgsLimitedRandomColorRamp(5)
self.assertTrue(style.addColorRamp('ramp a', ramp_a, True))
self.assertEqual(model.rowCount(), 3)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'c')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp a')
symbol_B = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('ramp c', symbol_B, True))
self.assertEqual(model.rowCount(), 4)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'c')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp a')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp c')
symbol_b = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('ramp b', symbol_b, True))
self.assertEqual(model.rowCount(), 5)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'c')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp a')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp b')
self.assertEqual(model.data(model.index(4, 0), Qt.DisplayRole), 'ramp c')
self.assertTrue(style.removeColorRamp('ramp a'))
self.assertEqual(model.rowCount(), 4)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'c')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp b')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp c')
示例5: testIconSize
# 需要导入模块: from qgis.core import QgsStyleModel [as 别名]
# 或者: from qgis.core.QgsStyleModel import rowCount [as 别名]
def testIconSize(self):
"""
Test that model has responsive icon sizes for decorations
"""
style = QgsStyle()
style.createMemoryDatabase()
symbol_a = createMarkerSymbol()
symbol_a.setColor(QColor(255, 10, 10))
self.assertTrue(style.addSymbol('a', symbol_a, True))
ramp_a = QgsLimitedRandomColorRamp(5)
self.assertTrue(style.addColorRamp('ramp a', ramp_a, True))
for i in range(2):
model = QgsStyleModel(style)
self.assertEqual(model.rowCount(), 2)
icon = model.data(model.index(i, 0), Qt.DecorationRole)
# by default, only 24x24 icon
self.assertEqual(icon.availableSizes(), [QSize(24, 24)])
self.assertEqual(icon.actualSize(QSize(10, 10)), QSize(10, 10))
self.assertEqual(icon.actualSize(QSize(24, 24)), QSize(24, 24))
self.assertEqual(icon.actualSize(QSize(90, 90)), QSize(24, 24))
model.addDesiredIconSize(QSize(24, 24))
model.addDesiredIconSize(QSize(100, 90))
icon = model.data(model.index(i, 0), Qt.DecorationRole)
self.assertEqual(icon.availableSizes(), [QSize(24, 24), QSize(100, 90)])
self.assertEqual(icon.actualSize(QSize(10, 10)), QSize(10, 10))
self.assertEqual(icon.actualSize(QSize(24, 24)), QSize(24, 24))
self.assertEqual(icon.actualSize(QSize(25, 25)), QSize(25, 22))
self.assertEqual(icon.actualSize(QSize(90, 90)), QSize(90, 81))
self.assertEqual(icon.actualSize(QSize(125, 125)), QSize(100, 90))
model = QgsStyleModel(style)
model.addDesiredIconSize(QSize(100, 90))
model.addDesiredIconSize(QSize(200, 180))
icon = model.data(model.index(i, 0), Qt.DecorationRole)
self.assertEqual(icon.availableSizes(), [QSize(100, 90), QSize(200, 180)])
self.assertEqual(icon.actualSize(QSize(24, 24)), QSize(24, 21))
self.assertEqual(icon.actualSize(QSize(25, 25)), QSize(25, 22))
self.assertEqual(icon.actualSize(QSize(90, 90)), QSize(90, 81))
self.assertEqual(icon.actualSize(QSize(125, 125)), QSize(125, 112))
self.assertEqual(icon.actualSize(QSize(225, 225)), QSize(200, 180))
示例6: test_style_with_symbols
# 需要导入模块: from qgis.core import QgsStyleModel [as 别名]
# 或者: from qgis.core.QgsStyleModel import rowCount [as 别名]
def test_style_with_symbols(self):
style = QgsStyle()
style.createMemoryDatabase()
# style with only symbols
symbol_a = createMarkerSymbol()
symbol_a.setColor(QColor(255, 10, 10))
self.assertTrue(style.addSymbol('a', symbol_a, True))
style.tagSymbol(QgsStyle.SymbolEntity, 'a', ['tag 1', 'tag 2'])
symbol_B = createMarkerSymbol()
symbol_B.setColor(QColor(10, 255, 10))
self.assertTrue(style.addSymbol('B ', symbol_B, True))
symbol_b = createFillSymbol()
symbol_b.setColor(QColor(10, 255, 10))
self.assertTrue(style.addSymbol('b', symbol_b, True))
symbol_C = createLineSymbol()
symbol_C.setColor(QColor(10, 255, 10))
self.assertTrue(style.addSymbol('C', symbol_C, True))
style.tagSymbol(QgsStyle.SymbolEntity, 'C', ['tag 3'])
symbol_C = createMarkerSymbol()
symbol_C.setColor(QColor(10, 255, 10))
self.assertTrue(style.addSymbol(' ----c/- ', symbol_C, True))
model = QgsStyleModel(style)
self.assertEqual(model.rowCount(), 5)
self.assertEqual(model.columnCount(), 2)
self.assertEqual(model.headerData(0, Qt.Horizontal), 'Name')
self.assertEqual(model.headerData(1, Qt.Horizontal), 'Tags')
self.assertTrue(model.index(0, 0).isValid())
self.assertFalse(model.index(10, 0).isValid())
self.assertFalse(model.index(0, 10).isValid())
self.assertFalse(model.parent(model.index(0, 0)).isValid())
self.assertFalse(model.flags(model.index(-1, 0)) & Qt.ItemIsEditable)
self.assertFalse(model.flags(model.index(5, 0)) & Qt.ItemIsEditable)
self.assertFalse(model.flags(model.index(0, 1)) & Qt.ItemIsEditable)
self.assertTrue(model.flags(model.index(0, 0)) & Qt.ItemIsEditable)
for role in (Qt.DisplayRole, Qt.EditRole):
self.assertIsNone(model.data(model.index(-1, 0), role))
self.assertIsNone(model.data(model.index(-1, 1), role))
self.assertEqual(model.data(model.index(0, 0), role), ' ----c/- ')
self.assertFalse(model.data(model.index(0, 1), role))
self.assertIsNone(model.data(model.index(0, 2), role))
self.assertIsNone(model.data(model.index(0, -1), role))
self.assertEqual(model.data(model.index(1, 0), role), 'B ')
self.assertFalse(model.data(model.index(1, 1), role))
self.assertEqual(model.data(model.index(2, 0), role), 'C')
self.assertEqual(model.data(model.index(2, 1), role), 'tag 3')
self.assertEqual(model.data(model.index(3, 0), role), 'a')
self.assertEqual(model.data(model.index(3, 1), role), 'tag 1, tag 2')
self.assertEqual(model.data(model.index(4, 0), role), 'b')
self.assertFalse(model.data(model.index(4, 1), role))
self.assertIsNone(model.data(model.index(5, 0), role))
self.assertIsNone(model.data(model.index(5, 1), role))
# decorations
self.assertIsNone(model.data(model.index(-1, 0), Qt.DecorationRole))
self.assertIsNone(model.data(model.index(0, 1), Qt.DecorationRole))
self.assertIsNone(model.data(model.index(5, 0), Qt.DecorationRole))
self.assertFalse(model.data(model.index(0, 0), Qt.DecorationRole).isNull())
self.assertEqual(model.data(model.index(0, 0), QgsStyleModel.TypeRole), QgsStyle.SymbolEntity)
self.assertEqual(model.data(model.index(1, 0), QgsStyleModel.TypeRole), QgsStyle.SymbolEntity)
self.assertEqual(model.data(model.index(4, 0), QgsStyleModel.TypeRole), QgsStyle.SymbolEntity)
示例7: test_renamed
# 需要导入模块: from qgis.core import QgsStyleModel [as 别名]
# 或者: from qgis.core.QgsStyleModel import rowCount [as 别名]
def test_renamed(self):
style = QgsStyle()
style.createMemoryDatabase()
model = QgsStyleModel(style)
symbol = createMarkerSymbol()
self.assertTrue(style.addSymbol('a', symbol, True))
symbol = createMarkerSymbol()
self.assertTrue(style.addSymbol('c', symbol, True))
ramp_a = QgsLimitedRandomColorRamp(5)
self.assertTrue(style.addColorRamp('ramp a', ramp_a, True))
symbol_B = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('ramp c', symbol_B, True))
self.assertEqual(model.rowCount(), 4)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'a')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'c')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp a')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp c')
self.assertTrue(style.renameSymbol('a', 'b'))
self.assertEqual(model.rowCount(), 4)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'b')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'c')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp a')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp c')
self.assertTrue(style.renameSymbol('b', 'd'))
self.assertEqual(model.rowCount(), 4)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'c')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'd')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp a')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp c')
self.assertTrue(style.renameSymbol('d', 'e'))
self.assertEqual(model.rowCount(), 4)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'c')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'e')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp a')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp c')
self.assertTrue(style.renameSymbol('c', 'f'))
self.assertEqual(model.rowCount(), 4)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'e')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'f')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp a')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp c')
self.assertTrue(style.renameColorRamp('ramp a', 'ramp b'))
self.assertEqual(model.rowCount(), 4)
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'e')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'f')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp b')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp c')
self.assertTrue(style.renameColorRamp('ramp b', 'ramp d'))
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'e')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'f')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp c')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp d')
self.assertTrue(style.renameColorRamp('ramp d', 'ramp e'))
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'e')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'f')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp c')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp e')
self.assertTrue(style.renameColorRamp('ramp c', 'ramp f'))
self.assertEqual(model.data(model.index(0, 0), Qt.DisplayRole), 'e')
self.assertEqual(model.data(model.index(1, 0), Qt.DisplayRole), 'f')
self.assertEqual(model.data(model.index(2, 0), Qt.DisplayRole), 'ramp e')
self.assertEqual(model.data(model.index(3, 0), Qt.DisplayRole), 'ramp f')
示例8: test_mixed_style
# 需要导入模块: from qgis.core import QgsStyleModel [as 别名]
# 或者: from qgis.core.QgsStyleModel import rowCount [as 别名]
def test_mixed_style(self):
"""
Test style with both symbols and ramps
"""
style = QgsStyle()
style.createMemoryDatabase()
# style with only symbols
symbol_a = createMarkerSymbol()
symbol_a.setColor(QColor(255, 10, 10))
self.assertTrue(style.addSymbol('a', symbol_a, True))
style.tagSymbol(QgsStyle.SymbolEntity, 'a', ['tag 1', 'tag 2'])
symbol_B = createMarkerSymbol()
symbol_B.setColor(QColor(10, 255, 10))
self.assertTrue(style.addSymbol('B ', symbol_B, True))
symbol_b = createFillSymbol()
symbol_b.setColor(QColor(10, 255, 10))
self.assertTrue(style.addSymbol('b', symbol_b, True))
symbol_C = createLineSymbol()
symbol_C.setColor(QColor(10, 255, 10))
self.assertTrue(style.addSymbol('C', symbol_C, True))
style.tagSymbol(QgsStyle.SymbolEntity, 'C', ['tag 3'])
symbol_C = createMarkerSymbol()
symbol_C.setColor(QColor(10, 255, 10))
self.assertTrue(style.addSymbol(' ----c/- ', symbol_C, True))
ramp_a = QgsLimitedRandomColorRamp(5)
self.assertTrue(style.addColorRamp('ramp a', ramp_a, True))
style.tagSymbol(QgsStyle.ColorrampEntity, 'ramp a', ['tag 1', 'tag 2'])
symbol_B = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('ramp B ', symbol_B, True))
symbol_b = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('ramp c', symbol_b, True))
model = QgsStyleModel(style)
self.assertEqual(model.rowCount(), 8)
self.assertEqual(model.columnCount(), 2)
self.assertTrue(model.index(0, 0).isValid())
self.assertFalse(model.index(10, 0).isValid())
self.assertFalse(model.index(0, 10).isValid())
self.assertFalse(model.parent(model.index(0, 0)).isValid())
for role in (Qt.DisplayRole, Qt.EditRole):
self.assertIsNone(model.data(model.index(-1, 0), role))
self.assertIsNone(model.data(model.index(-1, 1), role))
self.assertEqual(model.data(model.index(0, 0), role), ' ----c/- ')
self.assertFalse(model.data(model.index(0, 1), role))
self.assertIsNone(model.data(model.index(0, 2), role))
self.assertIsNone(model.data(model.index(0, -1), role))
self.assertEqual(model.data(model.index(1, 0), role), 'B ')
self.assertFalse(model.data(model.index(1, 1), role))
self.assertEqual(model.data(model.index(2, 0), role), 'C')
self.assertEqual(model.data(model.index(2, 1), role), 'tag 3')
self.assertEqual(model.data(model.index(3, 0), role), 'a')
self.assertEqual(model.data(model.index(3, 1), role), 'tag 1, tag 2')
self.assertEqual(model.data(model.index(4, 0), role), 'b')
self.assertFalse(model.data(model.index(4, 1), role))
self.assertEqual(model.data(model.index(5, 0), role), 'ramp B ')
self.assertFalse(model.data(model.index(5, 1), role))
self.assertEqual(model.data(model.index(6, 0), role), 'ramp a')
self.assertEqual(model.data(model.index(6, 1), role), 'tag 1, tag 2')
self.assertEqual(model.data(model.index(7, 0), role), 'ramp c')
self.assertFalse(model.data(model.index(7, 1), role))
self.assertIsNone(model.data(model.index(8, 0), role))
self.assertIsNone(model.data(model.index(8, 1), role))
# decorations
self.assertIsNone(model.data(model.index(-1, 0), Qt.DecorationRole))
self.assertIsNone(model.data(model.index(0, 1), Qt.DecorationRole))
self.assertIsNone(model.data(model.index(8, 0), Qt.DecorationRole))
self.assertFalse(model.data(model.index(0, 0), Qt.DecorationRole).isNull())
self.assertFalse(model.data(model.index(5, 0), Qt.DecorationRole).isNull())
self.assertEqual(model.data(model.index(0, 0), QgsStyleModel.TypeRole), QgsStyle.SymbolEntity)
self.assertEqual(model.data(model.index(1, 0), QgsStyleModel.TypeRole), QgsStyle.SymbolEntity)
self.assertEqual(model.data(model.index(4, 0), QgsStyleModel.TypeRole), QgsStyle.SymbolEntity)
self.assertEqual(model.data(model.index(5, 0), QgsStyleModel.TypeRole), QgsStyle.ColorrampEntity)
self.assertEqual(model.data(model.index(6, 0), QgsStyleModel.TypeRole), QgsStyle.ColorrampEntity)
self.assertEqual(model.data(model.index(7, 0), QgsStyleModel.TypeRole), QgsStyle.ColorrampEntity)