def testNode2IndexMethods(self):
"""Test node2index and node2sourceIndex"""
view = QgsLayerTreeView()
view.setModel(self.model)
if USE_MODEL_TESTER:
proxy_tester = QAbstractItemModelTester(view.model())
tree_model = view.layerTreeModel()
proxy_model = view.proxyModel()
proxy_index = proxy_model.index(1, 0)
node2 = view.index2node(proxy_index)
self.assertEqual(node2.name(), 'layer2')
proxy_layer2_index = view.node2index(node2)
self.assertEqual(proxy_layer2_index, view.node2index(node2))
source_index = tree_model.index(1, 0)
tree_layer2_index = view.node2sourceIndex(node2)
self.assertEqual(tree_layer2_index, view.node2sourceIndex(node2))
def testProxyModel(self):
"""Test proxy model filtering and private layers"""
view = QgsLayerTreeView()
view.setModel(self.model)
if USE_MODEL_TESTER:
proxy_tester = QAbstractItemModelTester(view.model())
tree_model = view.layerTreeModel()
proxy_model = view.proxyModel()
self.assertEqual(tree_model.rowCount(), 3)
self.assertEqual(proxy_model.rowCount(), 3)
items = []
for r in range(tree_model.rowCount()):
items.append(tree_model.data(tree_model.index(r, 0)))
self.assertEqual(items, ['layer1', 'layer2', 'layer3'])
proxy_items = []
for r in range(proxy_model.rowCount()):
proxy_items.append(proxy_model.data(proxy_model.index(r, 0)))
self.assertEqual(proxy_items, ['layer1', 'layer2', 'layer3'])
self.layer3.setFlags(self.layer.Private)
self.assertEqual(tree_model.rowCount(), 3)
self.assertEqual(proxy_model.rowCount(), 2)
proxy_items = []
for r in range(proxy_model.rowCount()):
proxy_items.append(proxy_model.data(proxy_model.index(r, 0)))
self.assertEqual(proxy_items, ['layer1', 'layer2'])
view.setShowPrivateLayers(True)
self.assertEqual(proxy_model.rowCount(), 3)
proxy_items = []
for r in range(proxy_model.rowCount()):
proxy_items.append(proxy_model.data(proxy_model.index(r, 0)))
self.assertEqual(proxy_items, ['layer1', 'layer2', 'layer3'])
view.setShowPrivateLayers(False)
self.assertEqual(proxy_model.rowCount(), 2)
proxy_items = []
for r in range(proxy_model.rowCount()):
proxy_items.append(proxy_model.data(proxy_model.index(r, 0)))
self.assertEqual(proxy_items, ['layer1', 'layer2'])
# Test filters
proxy_model.setFilterText('layer2')
self.assertEqual(proxy_model.rowCount(), 1)
proxy_items = []
for r in range(proxy_model.rowCount()):
proxy_items.append(proxy_model.data(proxy_model.index(r, 0)))
self.assertEqual(proxy_items, ['layer2'])