本文整理汇总了Python中qgis.gui.QgsRelationWidgetWrapper.widget方法的典型用法代码示例。如果您正苦于以下问题:Python QgsRelationWidgetWrapper.widget方法的具体用法?Python QgsRelationWidgetWrapper.widget怎么用?Python QgsRelationWidgetWrapper.widget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.gui.QgsRelationWidgetWrapper
的用法示例。
在下文中一共展示了QgsRelationWidgetWrapper.widget方法的2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: TestQgsRelationEditWidget
# 需要导入模块: from qgis.gui import QgsRelationWidgetWrapper [as 别名]
# 或者: from qgis.gui.QgsRelationWidgetWrapper import widget [as 别名]
class TestQgsRelationEditWidget(unittest.TestCase):
@classmethod
def setUpClass(cls):
"""
Setup the involved layers and relations for a n:m relation
:return:
"""
cls.mapCanvas = QgsMapCanvas()
QgsGui.editorWidgetRegistry().initEditors(cls.mapCanvas)
cls.dbconn = 'service=\'qgis_test\''
if 'QGIS_PGTEST_DB' in os.environ:
cls.dbconn = os.environ['QGIS_PGTEST_DB']
# Create test layer
cls.vl_b = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' table="qgis_test"."books" sql=', 'books', 'postgres')
cls.vl_a = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' table="qgis_test"."authors" sql=', 'authors', 'postgres')
cls.vl_link = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' table="qgis_test"."books_authors" sql=', 'books_authors', 'postgres')
QgsProject.instance().addMapLayer(cls.vl_b)
QgsProject.instance().addMapLayer(cls.vl_a)
QgsProject.instance().addMapLayer(cls.vl_link)
cls.relMgr = QgsProject.instance().relationManager()
cls.rel_a = QgsRelation()
cls.rel_a.setReferencingLayer(cls.vl_link.id())
cls.rel_a.setReferencedLayer(cls.vl_a.id())
cls.rel_a.addFieldPair('fk_author', 'pk')
cls.rel_a.setId('rel_a')
assert(cls.rel_a.isValid())
cls.relMgr.addRelation(cls.rel_a)
cls.rel_b = QgsRelation()
cls.rel_b.setReferencingLayer(cls.vl_link.id())
cls.rel_b.setReferencedLayer(cls.vl_b.id())
cls.rel_b.addFieldPair('fk_book', 'pk')
cls.rel_b.setId('rel_b')
assert(cls.rel_b.isValid())
cls.relMgr.addRelation(cls.rel_b)
# Our mock QgsVectorLayerTools, that allow injecting data where user input is expected
cls.vltools = VlTools()
assert(cls.vl_a.isValid())
assert(cls.vl_b.isValid())
assert(cls.vl_link.isValid())
def setUp(self):
self.startTransaction()
def tearDown(self):
self.rollbackTransaction()
del self.transaction
def test_delete_feature(self):
"""
Check if a feature can be deleted properly
"""
self.createWrapper(self.vl_a, '"name"=\'Erich Gamma\'')
self.assertEqual(self.table_view.model().rowCount(), 1)
self.assertEqual(1, len([f for f in self.vl_b.getFeatures()]))
fid = next(self.vl_b.getFeatures(QgsFeatureRequest().setFilterExpression('"name"=\'Design Patterns. Elements of Reusable Object-Oriented Software\''))).id()
self.widget.featureSelectionManager().select([fid])
btn = self.widget.findChild(QToolButton, 'mDeleteFeatureButton')
def clickOk():
# Click the "Delete features" button on the confirmation message
# box
widget = self.widget.findChild(QMessageBox)
buttonBox = widget.findChild(QDialogButtonBox)
deleteButton = next((b for b in buttonBox.buttons() if buttonBox.buttonRole(b) == QDialogButtonBox.AcceptRole))
deleteButton.click()
QTimer.singleShot(1, clickOk)
btn.click()
# This is the important check that the feature is deleted
self.assertEqual(0, len([f for f in self.vl_b.getFeatures()]))
# This is actually more checking that the database on delete action is properly set on the relation
self.assertEqual(0, len([f for f in self.vl_link.getFeatures()]))
self.assertEqual(self.table_view.model().rowCount(), 0)
def test_list(self):
"""
Simple check if several related items are shown
"""
wrapper = self.createWrapper(self.vl_b) # NOQA
self.assertEqual(self.table_view.model().rowCount(), 4)
@unittest.expectedFailure(os.environ.get('QT_VERSION', '5') == '4' and os.environ.get('TRAVIS_OS_NAME', '') == 'linux') # It's probably not related to this variables at all, but that's the closest we can get to the real source of this problem at the moment...
def test_add_feature(self):
"""
#.........这里部分代码省略.........
示例2: TestQgsRelationEditWidget
# 需要导入模块: from qgis.gui import QgsRelationWidgetWrapper [as 别名]
# 或者: from qgis.gui.QgsRelationWidgetWrapper import widget [as 别名]
class TestQgsRelationEditWidget(TestCase):
@classmethod
def setUpClass(cls):
"""
Setup the involved layers and relations for a n:m relation
:return:
"""
QgsEditorWidgetRegistry.initEditors()
cls.dbconn = u'dbname=\'qgis_test\' host=localhost port=5432 user=\'postgres\' password=\'postgres\''
if 'QGIS_PGTEST_DB' in os.environ:
cls.dbconn = os.environ['QGIS_PGTEST_DB']
# Create test layer
cls.vl_b = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' table="qgis_test"."books" sql=', 'test', 'postgres')
cls.vl_a = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' table="qgis_test"."authors" sql=', 'test', 'postgres')
cls.vl_link = QgsVectorLayer(cls.dbconn + ' sslmode=disable key=\'pk\' table="qgis_test"."books_authors" sql=', 'test', 'postgres')
QgsMapLayerRegistry.instance().addMapLayer(cls.vl_b)
QgsMapLayerRegistry.instance().addMapLayer(cls.vl_a)
QgsMapLayerRegistry.instance().addMapLayer(cls.vl_link)
relMgr = QgsProject.instance().relationManager()
cls.rel_a = QgsRelation()
cls.rel_a.setReferencingLayer(cls.vl_link.id())
cls.rel_a.setReferencedLayer(cls.vl_a.id())
cls.rel_a.addFieldPair('fk_author', 'pk')
cls.rel_a.setRelationId('rel_a')
assert(cls.rel_a.isValid())
relMgr.addRelation(cls.rel_a)
cls.rel_b = QgsRelation()
cls.rel_b.setReferencingLayer(cls.vl_link.id())
cls.rel_b.setReferencedLayer(cls.vl_b.id())
cls.rel_b.addFieldPair('fk_book', 'pk')
cls.rel_b.setRelationId('rel_b')
assert(cls.rel_b.isValid())
relMgr.addRelation(cls.rel_b)
# Our mock QgsVectorLayerTools, that allow to inject data where user input is expected
cls.vltools = VlTools()
assert(cls.vl_a.isValid())
assert(cls.vl_b.isValid())
assert(cls.vl_link.isValid())
def setUp(self):
self.startTransaction()
def tearDown(self):
self.rollbackTransaction()
def test_delete_feature(self):
"""
Check if a feature can be deleted properly
"""
self.createWrapper(self.vl_a, '"name"=\'Erich Gamma\'')
self.assertEquals(self.table_view.model().rowCount(), 1)
self.assertEquals(1, len([f for f in self.vl_b.getFeatures()]))
fid = self.vl_b.getFeatures(QgsFeatureRequest().setFilterExpression('"name"=\'Design Patterns. Elements of Reusable Object-Oriented Software\'')).next().id()
self.widget.featureSelectionManager().select([fid])
btn = self.widget.findChild(QToolButton, 'mDeleteFeatureButton')
btn.click()
# This is the important check that the feature is deleted
self.assertEquals(0, len([f for f in self.vl_b.getFeatures()]))
# This is actually more checking that the database on delete action is properly set on the relation
self.assertEquals(0, len([f for f in self.vl_link.getFeatures()]))
self.assertEquals(self.table_view.model().rowCount(), 0)
def test_list(self):
"""
Simple check if several related items are shown
"""
wrapper = self.createWrapper(self.vl_b)
self.assertEquals(self.table_view.model().rowCount(), 4)
@expectedFailure
def test_add_feature(self):
"""
Check if a new related feature is added
"""
self.createWrapper(self.vl_a, '"name"=\'Douglas Adams\'')
self.assertEquals(self.table_view.model().rowCount(), 0)
self.vltools.setValues([None, 'The Hitchhiker\'s Guide to the Galaxy'])
btn = self.widget.findChild(QToolButton, 'mAddFeatureButton')
btn.click()
# Book entry has been created
self.assertEquals(2, len([f for f in self.vl_b.getFeatures()]))
#.........这里部分代码省略.........