def __init__(self, tab_bar, source_finder, parent=None):
figure = Figure(figsize=(3,3), dpi=72)
FigureCanvas.__init__(self, figure, parent)
BaseTabViewWidget.__init__(self, parent, init=False)
self.figure = figure
self.plots = []
self.tab_bar = tab_bar
self.timescale = 30
self.find_source = source_finder
#General plan for actions:
#Plot specific actions are dispatched through the contextMenuEvent
#handler which finds the selected plot using get_axes_at_point
#and then generates a context menu with actions bound to the specific
#plot. Generic non-plot-specific actions like adjusting the timescale
#and renaming the tab are bound to the tab view and the tab widget
#respectively.
self.timescale_action = QtGui.QAction("Adjust timescale", self)
self.addAction(self.timescale_action)
link(self.timescale_action.triggered, self.adjust_timescale)
FigureCanvas.setSizePolicy(self, QtGui.QSizePolicy.Expanding,
QtGui.QSizePolicy.Expanding)
FigureCanvas.updateGeometry(self)
self.setContextMenuPolicy(QtCore.Qt.DefaultContextMenu)
self.setAcceptDrops(True)
def __init__(self, tab_bar, desc_sets, connection, parent=None):
BaseTabViewWidget.__init__(self, parent)
self.tab_bar = tab_bar
self.connection = connection
desc_map = {}
for fname, desc_set in desc_sets:
for id_, descr in desc_set.items():
for [name, units, desc] in descr.get("messages", []):
desc_map[id_+":"+name] = descr
self.plotWidget = HistoricalPlot(desc_map, connection, self)
self.controlWidget = ControlWidget(self.plotWidget, parent=self)
self.layout = QtGui.QVBoxLayout(self)
self.layout.addWidget(self.plotWidget)
self.layout.addWidget(self.controlWidget)
self.setLayout(self.layout)
def json_friendly(self):
"Serializes to a json-friendly data-structure. Adds timescale and plot info"
json = BaseTabViewWidget.json_friendly(self)
json["timescale"] = self.timescale
json["plots"] = [plot.json_friendly() for plot in self.plots]
return json
def json_friendly(self):
json = BaseTabViewWidget.json_friendly(self)
self.plotWidget.add_json(json)
return json