def __init__(self):
QtCore.QObject.__init__(self)
self.store = SQLiteGraphStore(settings.VIEW_THIS_DB)
def __init__(self):
QtCore.QObject.__init__(self)
self.store = SQLiteGraphStore(settings.VIEW_THIS_DB)
class OJSAPI(QtCore.QObject):
'''
this class is the "oegarn" in the show.html
'''
def __init__(self):
QtCore.QObject.__init__(self)
self.store = SQLiteGraphStore(settings.VIEW_THIS_DB)
#self.store = SQLiteGraphStore(settings.DB_FILE)
def attach(self, parent):
self.setParent(parent)
self.app = parent
self.app.page.mainFrame().javaScriptWindowObjectCleared.connect(self.add_to_window)
@QtCore.Slot()
def add_to_window(self):
# add OJSAPI to the GUI
self.app.page.mainFrame().addToJavaScriptWindowObject('oegarn', self)
@QtCore.Slot()
def quit(self):
#self.app.qt_gui.quit()
#QtCore.QCoreApplication.instance().quit()
pass
update_graph_list = QtCore.Signal(str) # Signal for update the graph list
@QtCore.Slot()
def list_graphs(self):
graphs = self.store.list_graphs()
self.update_graph_list.emit(json.dumps(graphs))
@QtCore.Slot(str)
def load_graph(self, id):
graph = self.store.get_graph(id)
self._graph = graph
self._graph.g_id = id
self._induction = InductionEngine(self._graph)
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot(str, str)
def create_graph(self, name, data):
graph = MultiGraph.from_json(data)
graph.name = name
self.store.add_graph(graph)
update_current_graph = QtCore.Signal(str) # Signal for update the current graph
highlight = QtCore.Signal(str)
@QtCore.Slot()
def layout(self):
self._induction.layout()
#logger.info('layout engine !!!')
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def random_color(self):
self._graph.random_color()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def color(self):
if not self._induction.edge_coloring():
print "no success"
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def edge_coloring_by_perfect_matching(self):
self._induction.edge_coloring_by_perfect_matching()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def cut_edges(self):
re = self._induction.cut_edges()
print "cut edges:", re
@QtCore.Slot()
def perfect_matching(self):
if self._induction.perfect_matching():
print "yes"
else:
print "no"
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def exhaustive_matching(self):
self._induction.try_to_find()
@QtCore.Slot()
def find_pentagon(self):
data = self._induction.highlight_pentagon()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_blocking(self):
data = self._induction.highlight_two_locking_cycles()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_ac_exclusive_chain(self):
data = self._induction.highlight_ac_exclusive_chain()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_bc_exclusive_chain(self):
data = self._induction.highlight_bc_exclusive_chain()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_ab_cycles(self):
data = self._induction.highlight_ab_cycles()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_ac_cycles(self):
data = self._induction.highlight_ac_cycles()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_bc_cycles(self):
data = self._induction.highlight_bc_cycles()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_petersen_subdivision(self):
data = self._induction.find_petersen_subdivision()
if data != False:
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def invert_highlighted(self):
data = self._induction.invert_highlighted()
if data['edges'] == [] and data['vertices'] == []:
return
self.update_current_graph.emit(self._graph.to_json())
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def move_left(self):
self._induction.move_left()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def move_right(self):
self._induction.move_right()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def count_resolve(self):
self._induction.count_resolve_with_even_ab()
@QtCore.Slot()
def check_resolvable(self):
if self._induction.check_resolvable():
print "yes"
else:
print "no"
@QtCore.Slot()
def smooth(self):
self._induction.smooth()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot(str)
def remove_one_edge(self, info):
data = ast.literal_eval(info)
if type(data) != tuple and len(data) != 2:
print "error input"
return
a, b = data
edge = self._induction.graph.get_edge_by_endpoints(a, b)
if edge is None:
print "not such edge"
return
self._induction.remove_specified_edge(edge)
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def delete_even_ab_cycles(self):
self._induction.delete_even_ab_cycles()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def put_back(self):
self._induction.putback_the_last_deleted_edge(True)
print "put back edge"
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def clear_colors(self):
self._induction.clear_colors()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def bicycle_format(self):
self._induction.bicycle_layout()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot(str)
def save(self, string):
if hasattr(self._graph, 'g_id'):
graph = MultiGraph.from_json(string)
graph.name = self._graph.name
self.store.save_graph(self._graph.g_id, graph)
@QtCore.Slot(str)
def print_svg(self, svg_source):
#logger.info(svg_source)
svg_renderer = QtSvg.QSvgRenderer()
svg_renderer.load(QtCore.QByteArray(svg_source))
logger.info('svg renderer')
printer = QtGui.QPrinter()
printer.setPageMargins(50, 250, 50, 250, QtGui.QPrinter.DevicePixel)
print_dialog = QtGui.QPrintDialog(printer, self.app.view)
print_dialog.setOption(QtGui.QAbstractPrintDialog.PrintToFile, True)
print_dialog.setOption(QtGui.QAbstractPrintDialog.PrintPageRange, True)
if print_dialog.exec_() == QtGui.QDialog.Accepted:
painter = QtGui.QPainter()
painter.begin(printer)
svg_renderer.render(painter)
painter.end()
class OJSAPI(QtCore.QObject):
'''
this class is the "oegarn" in the show.html
'''
def __init__(self):
QtCore.QObject.__init__(self)
self.store = SQLiteGraphStore(settings.VIEW_THIS_DB)
#self.store = SQLiteGraphStore(settings.DB_FILE)
def attach(self, parent):
self.setParent(parent)
self.app = parent
self.app.page.mainFrame().javaScriptWindowObjectCleared.connect(
self.add_to_window)
@QtCore.Slot()
def add_to_window(self):
# add OJSAPI to the GUI
self.app.page.mainFrame().addToJavaScriptWindowObject('oegarn', self)
@QtCore.Slot()
def quit(self):
#self.app.qt_gui.quit()
#QtCore.QCoreApplication.instance().quit()
pass
update_graph_list = QtCore.Signal(str) # Signal for update the graph list
@QtCore.Slot()
def list_graphs(self):
graphs = self.store.list_graphs()
self.update_graph_list.emit(json.dumps(graphs))
@QtCore.Slot(str)
def load_graph(self, id):
graph = self.store.get_graph(id)
self._graph = graph
self._graph.g_id = id
self._induction = InductionEngine(self._graph)
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot(str, str)
def create_graph(self, name, data):
graph = MultiGraph.from_json(data)
graph.name = name
self.store.add_graph(graph)
update_current_graph = QtCore.Signal(
str) # Signal for update the current graph
highlight = QtCore.Signal(str)
@QtCore.Slot()
def layout(self):
self._induction.layout()
#logger.info('layout engine !!!')
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def random_color(self):
self._graph.random_color()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def color(self):
if not self._induction.edge_coloring():
print("no success")
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def edge_coloring_by_perfect_matching(self):
self._induction.edge_coloring_by_perfect_matching()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def cut_edges(self):
re = self._induction.cut_edges()
print("cut edges:", re)
@QtCore.Slot()
def perfect_matching(self):
if self._induction.perfect_matching():
print("yes")
else:
print("no")
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def exhaustive_matching(self):
self._induction.try_to_find()
@QtCore.Slot()
def find_pentagon(self):
data = self._induction.highlight_pentagon()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_blocking(self):
data = self._induction.highlight_two_locking_cycles()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_ac_exclusive_chain(self):
data = self._induction.highlight_ac_exclusive_chain()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_bc_exclusive_chain(self):
data = self._induction.highlight_bc_exclusive_chain()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_ab_cycles(self):
data = self._induction.highlight_ab_cycles()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_ac_cycles(self):
data = self._induction.highlight_ac_cycles()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_bc_cycles(self):
data = self._induction.highlight_bc_cycles()
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def highlight_petersen_subdivision(self):
data = self._induction.find_petersen_subdivision()
if data != False:
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def invert_highlighted(self):
data = self._induction.invert_highlighted()
if data['edges'] == [] and data['vertices'] == []:
return
self.update_current_graph.emit(self._graph.to_json())
self.highlight.emit(json.dumps(data))
@QtCore.Slot()
def move_left(self):
self._induction.move_left()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def move_right(self):
self._induction.move_right()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def count_resolve(self):
self._induction.count_resolve_with_even_ab()
@QtCore.Slot()
def check_resolvable(self):
if self._induction.check_resolvable():
print("yes")
else:
print("no")
@QtCore.Slot()
def smooth(self):
self._induction.smooth()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot(str)
def remove_one_edge(self, info):
data = ast.literal_eval(info)
if type(data) != tuple and len(data) != 2:
print("error input")
return
a, b = data
edge = self._induction.graph.get_edge_by_endpoints(a, b)
if edge is None:
print("not such edge")
return
self._induction.remove_specified_edge(edge)
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def delete_even_ab_cycles(self):
self._induction.delete_even_ab_cycles()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def put_back(self):
self._induction.putback_the_last_deleted_edge(True)
print("put back edge")
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def clear_colors(self):
self._induction.clear_colors()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot()
def bicycle_format(self):
self._induction.bicycle_layout()
self.update_current_graph.emit(self._graph.to_json())
@QtCore.Slot(str)
def save(self, string):
if hasattr(self._graph, 'g_id'):
graph = MultiGraph.from_json(string)
graph.name = self._graph.name
self.store.save_graph(self._graph.g_id, graph)
@QtCore.Slot(str)
def print_svg(self, svg_source):
#logger.info(svg_source)
svg_renderer = QtSvg.QSvgRenderer()
svg_renderer.load(QtCore.QByteArray(svg_source))
logger.info('svg renderer')
printer = QtGui.QPrinter()
printer.setPageMargins(50, 250, 50, 250, QtGui.QPrinter.DevicePixel)
print_dialog = QtGui.QPrintDialog(printer, self.app.view)
print_dialog.setOption(QtGui.QAbstractPrintDialog.PrintToFile, True)
print_dialog.setOption(QtGui.QAbstractPrintDialog.PrintPageRange, True)
if print_dialog.exec_() == QtGui.QDialog.Accepted:
painter = QtGui.QPainter()
painter.begin(printer)
svg_renderer.render(painter)
painter.end()