def setUp(self):
TestCase.setUp(self)
diagram = self.diagram
tab = DiagramTab(WindowOwner())
tab.diagram = diagram
tab.construct()
self.tab = tab
def show_diagram(self, diagram):
"""
Show a Diagram element in a new tab.
If a tab is already open, show that one instead.
"""
# Try to find an existing window/tab and let it get focus:
for tab in self.get_tabs():
if tab.get_diagram() is diagram:
self.set_current_page(tab)
return tab
tab = DiagramTab(diagram)
dock_item = tab.construct()
dock_item.set_name('diagram-tab')
dock_item.diagram_tab = tab
assert dock_item.get_name() == 'diagram-tab'
tab.set_drawing_style(self.properties('diagram.sloppiness', 0))
self.add_tab(dock_item)
return tab
