本文整理汇总了Python中qgis.core.QgsLayoutManager.removeComposition方法的典型用法代码示例。如果您正苦于以下问题:Python QgsLayoutManager.removeComposition方法的具体用法?Python QgsLayoutManager.removeComposition怎么用?Python QgsLayoutManager.removeComposition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.QgsLayoutManager
的用法示例。
在下文中一共展示了QgsLayoutManager.removeComposition方法的1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: TestQgsLayoutManager
# 需要导入模块: from qgis.core import QgsLayoutManager [as 别名]
# 或者: from qgis.core.QgsLayoutManager import removeComposition [as 别名]
class TestQgsLayoutManager(unittest.TestCase):
def setUp(self):
"""Run before each test."""
self.manager = None
self.aboutFired = False
def tearDown(self):
"""Run after each test."""
pass
def testAddComposition(self):
project = QgsProject()
composition = QgsComposition(project)
composition.setName('test composition')
manager = QgsLayoutManager(project)
composition_about_to_be_added_spy = QSignalSpy(manager.compositionAboutToBeAdded)
composition_added_spy = QSignalSpy(manager.compositionAdded)
self.assertTrue(manager.addComposition(composition))
self.assertEqual(len(composition_about_to_be_added_spy), 1)
self.assertEqual(composition_about_to_be_added_spy[0][0], 'test composition')
self.assertEqual(len(composition_added_spy), 1)
self.assertEqual(composition_added_spy[0][0], 'test composition')
# adding it again should fail
self.assertFalse(manager.addComposition(composition))
# try adding a second composition
composition2 = QgsComposition(project)
composition2.setName('test composition2')
self.assertTrue(manager.addComposition(composition2))
self.assertEqual(len(composition_added_spy), 2)
self.assertEqual(composition_about_to_be_added_spy[1][0], 'test composition2')
self.assertEqual(len(composition_about_to_be_added_spy), 2)
self.assertEqual(composition_added_spy[1][0], 'test composition2')
# adding a composition with duplicate name should fail
composition3 = QgsComposition(project)
composition3.setName('test composition2')
self.assertFalse(manager.addComposition(composition3))
def testCompositions(self):
project = QgsProject()
manager = QgsLayoutManager(project)
composition = QgsComposition(project)
composition.setName('test composition')
composition2 = QgsComposition(project)
composition2.setName('test composition2')
composition3 = QgsComposition(project)
composition3.setName('test composition3')
manager.addComposition(composition)
self.assertEqual(manager.compositions(), [composition])
manager.addComposition(composition2)
self.assertEqual(set(manager.compositions()), {composition, composition2})
manager.addComposition(composition3)
self.assertEqual(set(manager.compositions()), {composition, composition2, composition3})
def aboutToBeRemoved(self, name):
# composition should still exist at this time
self.assertEqual(name, 'test composition')
self.assertTrue(self.manager.compositionByName('test composition'))
self.aboutFired = True
def testRemoveComposition(self):
project = QgsProject()
composition = QgsComposition(project)
composition.setName('test composition')
self.manager = QgsLayoutManager(project)
composition_removed_spy = QSignalSpy(self.manager.compositionRemoved)
composition_about_to_be_removed_spy = QSignalSpy(self.manager.compositionAboutToBeRemoved)
# tests that composition still exists when compositionAboutToBeRemoved is fired
self.manager.compositionAboutToBeRemoved.connect(self.aboutToBeRemoved)
# not added, should fail
self.assertFalse(self.manager.removeComposition(composition))
self.assertEqual(len(composition_removed_spy), 0)
self.assertEqual(len(composition_about_to_be_removed_spy), 0)
self.assertTrue(self.manager.addComposition(composition))
self.assertEqual(self.manager.compositions(), [composition])
self.assertTrue(self.manager.removeComposition(composition))
self.assertEqual(len(self.manager.compositions()), 0)
self.assertEqual(len(composition_removed_spy), 1)
self.assertEqual(composition_removed_spy[0][0], 'test composition')
self.assertEqual(len(composition_about_to_be_removed_spy), 1)
self.assertEqual(composition_about_to_be_removed_spy[0][0], 'test composition')
self.assertTrue(self.aboutFired)
self.manager = None
def testClear(self):
project = QgsProject()
manager = QgsLayoutManager(project)
# add a bunch of compositions
composition = QgsComposition(project)
composition.setName('test composition')
#.........这里部分代码省略.........