def __init__(self, parent=None):
""" QVersionTab(parent: QWidget) -> QVersionTab
Make it a main window with dockable area and a
QVersionTreeView in the middle
"""
QDockContainer.__init__(self, parent)
self.setWindowTitle('Version Tree')
self.versionView = QVersionTreeView()
self.setCentralWidget(self.versionView)
self.toolWindow().setFeatures(QtGui.QDockWidget.NoDockWidgetFeatures)
self.toolWindow().hide()
self.versionProp = QVersionProp(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.versionProp.toolWindow())
self.controller = None
self.connect(self.toolWindow(), QtCore.SIGNAL('topLevelChanged(bool)'),
self.updateWindowTitle)
self.connect(self.versionView.scene(),
QtCore.SIGNAL('twoVersionsSelected(int,int)'),
self.twoVersionsSelected)
self.connect(self.versionView, QtCore.SIGNAL('resetQuery()'),
self.resetQuery)
def get_vt_graph(vt_list, tree_info, pdf=False):
"""get_vt_graph(vt_list: list of locator, tree_info:str)
Load all vistrails in vt_list and dump their tree to tree_info.
"""
result = []
if is_running_gui():
from gui.vistrail_controller import VistrailController as \
GUIVistrailController
for locator in vt_list:
try:
(v, abstractions, thumbnails, mashups) = load_vistrail(locator)
controller = GUIVistrailController()
if tree_info is not None:
from gui.version_view import QVersionTreeView
version_view = QVersionTreeView()
from gui.pipeline_view import QPipelineView
pipeline_view = QPipelineView()
controller.current_pipeline_view = pipeline_view.scene()
controller.set_vistrail(v, locator, abstractions,
thumbnails, mashups)
version_view.scene().setupScene(controller)
if pdf:
base_fname = "graph_%s.pdf" % locator.short_name
filename = os.path.join(tree_info, base_fname)
version_view.scene().saveToPDF(filename)
else:
base_fname = "graph_%s.png" % locator.short_name
filename = os.path.join(tree_info, base_fname)
version_view.scene().saveToPNG(filename)
del version_view
result.append((True, ""))
except Exception, e:
result.append((False, str(e)))
