本文整理汇总了Python中qgis.core.QgsMapLayerModel.index方法的典型用法代码示例。如果您正苦于以下问题:Python QgsMapLayerModel.index方法的具体用法?Python QgsMapLayerModel.index怎么用?Python QgsMapLayerModel.index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.QgsMapLayerModel
的用法示例。
在下文中一共展示了QgsMapLayerModel.index方法的10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: testAddingRemovingLayers
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testAddingRemovingLayers(self):
# test model handles layer addition and removal
m = QgsMapLayerModel()
self.assertEqual(m.rowCount(QModelIndex()), 0)
l1 = create_layer('l1')
QgsProject.instance().addMapLayer(l1)
self.assertEqual(m.rowCount(QModelIndex()), 1)
self.assertEqual(m.layerFromIndex(m.index(0, 0)), l1)
l2 = create_layer('l2')
QgsProject.instance().addMapLayer(l2)
self.assertEqual(m.rowCount(QModelIndex()), 2)
self.assertEqual(m.layerFromIndex(m.index(0, 0)), l1)
self.assertEqual(m.layerFromIndex(m.index(1, 0)), l2)
QgsProject.instance().removeMapLayer(l1)
self.assertEqual(m.rowCount(QModelIndex()), 1)
self.assertEqual(m.layerFromIndex(m.index(0, 0)), l2)
QgsProject.instance().removeMapLayer(l2)
self.assertEqual(m.rowCount(QModelIndex()), 0)
# try creating a model when layers already exist in registry
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsProject.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
self.assertEqual(m.rowCount(QModelIndex()), 2)
QgsProject.instance().removeMapLayers([l1.id(), l2.id()])
self.assertEqual(m.rowCount(QModelIndex()), 0)
示例2: testAllowEmpty
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testAllowEmpty(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsProject.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
self.assertEqual(m.rowCount(QModelIndex()), 2)
m.setAllowEmptyLayer(True)
self.assertEqual(m.rowCount(QModelIndex()), 3)
self.assertFalse(m.data(m.index(0, 0), Qt.DisplayRole))
m.setAllowEmptyLayer(False)
self.assertEqual(m.rowCount(QModelIndex()), 2)
self.assertTrue(m.data(m.index(0, 0), Qt.DisplayRole))
# add layers after allow empty is true
m.setAllowEmptyLayer(True)
l3 = create_layer('l3')
QgsProject.instance().addMapLayers([l3])
self.assertEqual(m.rowCount(QModelIndex()), 4)
self.assertFalse(m.data(m.index(0, 0), Qt.DisplayRole))
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'l1')
self.assertEqual(m.data(m.index(2, 0), Qt.DisplayRole), 'l2')
self.assertEqual(m.data(m.index(3, 0), Qt.DisplayRole), 'l3')
QgsProject.instance().removeMapLayers([l1.id(), l2.id(), l3.id()])
示例3: testDisplayRole
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testDisplayRole(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsProject.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
self.assertEqual(m.data(m.index(0, 0), Qt.DisplayRole), 'l1')
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'l2')
m.setAllowEmptyLayer(True)
self.assertFalse(m.data(m.index(0, 0), Qt.DisplayRole))
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'l1')
self.assertEqual(m.data(m.index(2, 0), Qt.DisplayRole), 'l2')
QgsProject.instance().removeMapLayers([l1.id(), l2.id()])
示例4: testIsEmptyRole
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testIsEmptyRole(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsProject.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
self.assertFalse(m.data(m.index(0, 0), QgsMapLayerModel.EmptyRole))
self.assertFalse(m.data(m.index(1, 0), QgsMapLayerModel.EmptyRole))
m.setAllowEmptyLayer(True)
self.assertTrue(m.data(m.index(0, 0), QgsMapLayerModel.EmptyRole))
self.assertFalse(m.data(m.index(1, 0), QgsMapLayerModel.EmptyRole))
self.assertFalse(m.data(m.index(2, 0), QgsMapLayerModel.EmptyRole))
m.setAdditionalItems(['a'])
self.assertFalse(m.data(m.index(3, 0), QgsMapLayerModel.EmptyRole))
QgsProject.instance().removeMapLayers([l1.id(), l2.id()])
示例5: testDisplayRoleShowCrs
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testDisplayRoleShowCrs(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsProject.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
m.setShowCrs(True)
self.assertEqual(m.data(m.index(0, 0), Qt.DisplayRole), 'l1 [EPSG:3111]')
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'l2 [EPSG:3111]')
m.setAllowEmptyLayer(True)
self.assertFalse(m.data(m.index(0, 0), Qt.DisplayRole))
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'l1 [EPSG:3111]')
self.assertEqual(m.data(m.index(2, 0), Qt.DisplayRole), 'l2 [EPSG:3111]')
m.setAdditionalItems(['a'])
self.assertEqual(m.data(m.index(3, 0), Qt.DisplayRole), 'a')
QgsProject.instance().removeMapLayers([l1.id(), l2.id()])
示例6: testFlags
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testFlags(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsProject.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
# not checkable
self.assertFalse(m.flags(m.index(0, 0)) & Qt.ItemIsUserCheckable)
self.assertFalse(m.flags(m.index(1, 0)) & Qt.ItemIsUserCheckable)
m.setAllowEmptyLayer(True)
self.assertFalse(m.flags(m.index(0, 0)) & Qt.ItemIsUserCheckable)
self.assertFalse(m.flags(m.index(1, 0)) & Qt.ItemIsUserCheckable)
self.assertFalse(m.flags(m.index(2, 0)) & Qt.ItemIsUserCheckable)
m.setAllowEmptyLayer(False)
# checkable
m.setItemsCheckable(True)
self.assertTrue(m.flags(m.index(0, 0)) & Qt.ItemIsUserCheckable)
self.assertTrue(m.flags(m.index(1, 0)) & Qt.ItemIsUserCheckable)
m.setAllowEmptyLayer(True)
self.assertFalse(m.flags(m.index(0, 0)) & Qt.ItemIsUserCheckable)
self.assertTrue(m.flags(m.index(1, 0)) & Qt.ItemIsUserCheckable)
self.assertTrue(m.flags(m.index(2, 0)) & Qt.ItemIsUserCheckable)
m.setAdditionalItems(['a'])
self.assertFalse(m.flags(m.index(3, 0)) & Qt.ItemIsUserCheckable)
QgsProject.instance().removeMapLayers([l1.id(), l2.id()])
示例7: testCheckStateRole
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testCheckStateRole(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsProject.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
# not checkable
self.assertFalse(m.data(m.index(0, 0), Qt.CheckStateRole))
self.assertFalse(m.data(m.index(1, 0), Qt.CheckStateRole))
m.setAllowEmptyLayer(True)
self.assertFalse(m.data(m.index(0, 0), Qt.CheckStateRole))
self.assertFalse(m.data(m.index(1, 0), Qt.CheckStateRole))
self.assertFalse(m.data(m.index(2, 0), Qt.CheckStateRole))
m.setAllowEmptyLayer(False)
# checkable
m.setItemsCheckable(True)
m.checkAll(Qt.Checked)
self.assertTrue(m.data(m.index(0, 0), Qt.CheckStateRole))
self.assertTrue(m.data(m.index(1, 0), Qt.CheckStateRole))
m.setAllowEmptyLayer(True)
self.assertFalse(m.data(m.index(0, 0), Qt.CheckStateRole))
self.assertTrue(m.data(m.index(1, 0), Qt.CheckStateRole))
self.assertTrue(m.data(m.index(2, 0), Qt.CheckStateRole))
m.setAdditionalItems(['a'])
self.assertFalse(m.data(m.index(3, 0), Qt.CheckStateRole))
QgsProject.instance().removeMapLayers([l1.id(), l2.id()])
示例8: testAdditionalItems
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testAdditionalItems(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsProject.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
self.assertEqual(m.rowCount(QModelIndex()), 2)
m.setAdditionalItems(['a', 'b'])
self.assertEqual(m.rowCount(QModelIndex()), 4)
self.assertEqual(m.data(m.index(0, 0), Qt.DisplayRole), 'l1')
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'l2')
self.assertEqual(m.data(m.index(2, 0), Qt.DisplayRole), 'a')
self.assertEqual(m.data(m.index(3, 0), Qt.DisplayRole), 'b')
m.setAllowEmptyLayer(True)
self.assertEqual(m.rowCount(QModelIndex()), 5)
self.assertFalse(m.data(m.index(0, 0), Qt.DisplayRole))
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'l1')
self.assertEqual(m.data(m.index(2, 0), Qt.DisplayRole), 'l2')
self.assertEqual(m.data(m.index(3, 0), Qt.DisplayRole), 'a')
self.assertEqual(m.data(m.index(4, 0), Qt.DisplayRole), 'b')
QgsProject.instance().removeMapLayers([l1.id(), l2.id()])
self.assertEqual(m.rowCount(QModelIndex()), 3)
self.assertFalse(m.data(m.index(0, 0), Qt.DisplayRole))
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'a')
self.assertEqual(m.data(m.index(2, 0), Qt.DisplayRole), 'b')
示例9: testDisplayRoleShowCrs
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testDisplayRoleShowCrs(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
l3 = QgsVectorLayer("NoGeometry?field=fldtxt:string&field=fldint:integer",
'no geom', "memory")
QgsProject.instance().addMapLayers([l1, l2, l3])
m = QgsMapLayerModel()
m.setShowCrs(True)
self.assertEqual(m.data(m.index(0, 0), Qt.DisplayRole), 'l1 [EPSG:3111]')
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'l2 [EPSG:3111]')
self.assertEqual(m.data(m.index(2, 0), Qt.DisplayRole), 'no geom')
m.setAllowEmptyLayer(True)
self.assertFalse(m.data(m.index(0, 0), Qt.DisplayRole))
self.assertEqual(m.data(m.index(1, 0), Qt.DisplayRole), 'l1 [EPSG:3111]')
self.assertEqual(m.data(m.index(2, 0), Qt.DisplayRole), 'l2 [EPSG:3111]')
self.assertEqual(m.data(m.index(3, 0), Qt.DisplayRole), 'no geom')
m.setAdditionalItems(['a'])
self.assertEqual(m.data(m.index(4, 0), Qt.DisplayRole), 'a')
QgsProject.instance().removeMapLayers([l1.id(), l2.id(), l3.id()])
示例10: testSetData
# 需要导入模块: from qgis.core import QgsMapLayerModel [as 别名]
# 或者: from qgis.core.QgsMapLayerModel import index [as 别名]
def testSetData(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsMapLayerRegistry.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
# set checked
m.setItemsCheckable(True)
self.assertTrue(m.setData(m.index(0, 0), True, Qt.CheckStateRole))
self.assertTrue(m.data(m.index(0, 0), Qt.CheckStateRole))
self.assertFalse(m.data(m.index(1, 0), Qt.CheckStateRole))
self.assertTrue(m.setData(m.index(1, 0), True, Qt.CheckStateRole))
self.assertTrue(m.data(m.index(0, 0), Qt.CheckStateRole))
self.assertTrue(m.data(m.index(1, 0), Qt.CheckStateRole))
m.setAllowEmptyLayer(True)
self.assertFalse(m.setData(m.index(0, 0), True, Qt.CheckStateRole))
self.assertTrue(m.setData(m.index(1, 0), True, Qt.CheckStateRole))
m.setAdditionalItems(['a'])
self.assertFalse(m.setData(m.index(3, 0), True, Qt.CheckStateRole))
QgsMapLayerRegistry.instance().removeMapLayers([l1.id(), l2.id()])