本文整理汇总了Python中qgis.core.QgsLayoutManager.compositions方法的典型用法代码示例。如果您正苦于以下问题：Python QgsLayoutManager.compositions方法的具体用法？Python QgsLayoutManager.compositions怎么用？Python QgsLayoutManager.compositions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.compositions方法的4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: testReadWriteXml
# 需要导入模块: from qgis.core import QgsLayoutManager [as 别名]
# 或者: from qgis.core.QgsLayoutManager import compositions [as 别名]
def testReadWriteXml(self):
"""
Test reading and writing layout manager state to XML
"""
project = QgsProject()
manager = QgsLayoutManager(project)
# add a bunch of compositions
composition = QgsComposition(project)
composition.setName('test composition')
composition2 = QgsComposition(project)
composition2.setName('test composition2')
composition3 = QgsComposition(project)
composition3.setName('test composition3')
manager.addComposition(composition)
manager.addComposition(composition2)
manager.addComposition(composition3)
# save to xml
doc = QDomDocument("testdoc")
elem = manager.writeXml(doc)
doc.appendChild(elem)
# restore from xml
project2 = QgsProject()
manager2 = QgsLayoutManager(project2)
self.assertTrue(manager2.readXml(elem, doc))
self.assertEqual(len(manager2.compositions()), 3)
names = [c.name() for c in manager2.compositions()]
self.assertEqual(set(names), {'test composition', 'test composition2', 'test composition3'})示例2: testCompositions
# 需要导入模块: from qgis.core import QgsLayoutManager [as 别名]
# 或者: from qgis.core.QgsLayoutManager import compositions [as 别名]
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})示例3: testClear
# 需要导入模块: from qgis.core import QgsLayoutManager [as 别名]
# 或者: from qgis.core.QgsLayoutManager import compositions [as 别名]
def testClear(self):
project = QgsProject()
manager = QgsLayoutManager(project)
# add a bunch of compositions
composition = QgsComposition(project)
composition.setName('test composition')
composition2 = QgsComposition(project)
composition2.setName('test composition2')
composition3 = QgsComposition(project)
composition3.setName('test composition3')
manager.addComposition(composition)
manager.addComposition(composition2)
manager.addComposition(composition3)
composition_removed_spy = QSignalSpy(manager.compositionRemoved)
composition_about_to_be_removed_spy = QSignalSpy(manager.compositionAboutToBeRemoved)
manager.clear()
self.assertEqual(len(manager.compositions()), 0)
self.assertEqual(len(composition_removed_spy), 3)
self.assertEqual(len(composition_about_to_be_removed_spy), 3)示例4: TestQgsLayoutManager
# 需要导入模块: from qgis.core import QgsLayoutManager [as 别名]
# 或者: from qgis.core.QgsLayoutManager import compositions [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.........