def on_add_variable(self, event):
var_name = self.choice_var.GetStringSelection()
if var_name != "":
# Add a graph with default values to the monitor server
servers.get_monitor_server().addgraph(
str(var_name), 0.1, 0.0, 1.0,0.0,0.0,1.0 )
# Add graph bar for the new graph
self.__add_graph_bar(var_name)
def __del__(self):
# Disable sampling
servers.get_monitor_server().setdisplayactivated(False)
servers.get_monitor_server().setsamplingactivated(False)
# Release refresh stats timer
if self.stats_timer is not None:
self.stats_timer.Stop()
self.stats_timer = None
def __on_change_params(self, event):
graph_index = self.get_graph_index()
color = format.byte_rgb_2_unit_rgba( self.color.GetColour().Get() )
servers.get_monitor_server().setgraphparameters(
graph_index,
float( self.int_frequency.get_value() ) / 1000.0,
self.slider_smooth.get_value(),
color[0], color[1], color[2], color[3]
)
def update_current_stats(self):
monitor_server = servers.get_monitor_server()
if monitor_server.getnumgraphs() > 0 and self.stats_enabled:
min, max, mean, last = monitor_server.getcurrentgraphstats()
self.float_min.SetLabel( str(round(min, 4)) )
self.float_max.SetLabel( str(round(max, 4)) )
self.float_mean.SetLabel( str(round(mean, 4)) )
self.float_last.SetLabel( str(round(last, 4)) )
def __set_properties(self):
# Get graph parameters from the monitor server
graph_index = self.get_graph_index()
monitor = servers.get_monitor_server()
frequency, smooth, r,g,b,a = monitor.getgraphparameters( graph_index )
enabled = monitor.getgraphactive( graph_index )
# Fill controls with the graph parameters
self.checkbox_enable.SetValue( enabled )
self.color.SetValue( format.unit_rgb_2_byte_rgb((r,g,b)) )
self.int_frequency.set_value( int(frequency*1000) )
self.slider_smooth.set_value( smooth )
def __set_properties(self):
self.SetSize((700, 300))
self.win_graphs.SetScrollRate(10, 10)
# Enable sampling
servers.get_monitor_server().setsamplingactivated(True)
servers.get_monitor_server().setdisplayactivated(True)
# Fill the variable choice control with all variables
var = pynebula.lookup('/sys/var').gethead()
while var != None:
name = var.getname()
self.choice_var.Append(name)
var = var.getsucc()
# Global history period
monitor_server = servers.get_monitor_server()
self.int_period.set_value( int(monitor_server.gethistoryperiod()) )
# Check/uncheck display buttons
self.button_show.SetValue( monitor_server.getdisplayactivated() )
self.button_fullscreen.SetValue( monitor_server.getfullscreen() )
def on_remove_variable(self, event):
# Remove graph from the stats selector combo control
graphbar = event.GetEventObject().GetParent()
graph_index = graphbar.get_graph_index()
self.combo_current.Delete( graph_index )
if self.combo_current.GetCount() == 0:
self.stats_enabled = False
# Remove graph from the monitor server
servers.get_monitor_server().removegraph( graph_index )
# Stop catching the remove graph event for the removed graph
self.Unbind(wx.EVT_BUTTON, graphbar)
# Remove graph bar control
self.Freeze()
self.graphs.remove(graphbar)
self.sizer_graphs.Detach(graphbar)
graphbar.Destroy()
graphbar = None
self.win_graphs.GetSizer().Fit(self.win_graphs)
self.win_graphs.GetSizer().SetVirtualSizeHints(self.win_graphs)
self.Layout()
self.Thaw()
def __init__(self, parent):
togwin.ChildToggableDialog.__init__(
self, "Variable monitor", parent
)
self.stats_enabled = False
self.win_graphs = wx.ScrolledWindow(self, -1, style=wx.SUNKEN_BORDER|wx.TAB_TRAVERSAL)
self.label_current = wx.StaticText(self, -1, "Current graph stats:")
self.combo_current = wx.ComboBox(self, -1, style=wx.CB_READONLY)
self.label_min = wx.StaticText(self, -1, "Min:")
self.float_min = wx.StaticText(self, -1, "", size=(50,-1))
self.label_max = wx.StaticText(self, -1, "Max:")
self.float_max = wx.StaticText(self, -1, "", size=(50,-1))
self.label_mean = wx.StaticText(self, -1, "Mean:")
self.float_mean = wx.StaticText(self, -1, "", size=(50,-1))
self.label_last = wx.StaticText(self, -1, "Last:")
self.float_last = wx.StaticText(self, -1, "", size=(50,-1))
self.line1 = wx.StaticLine(self, -1, style=wx.LI_HORIZONTAL)
self.label_var = wx.StaticText(self, -1, "Variable to monitorize:")
self.choice_var = wx.ComboBox(self, -1, style=wx.CB_READONLY|wx.CB_SORT)
self.button_add = wx.Button(self, -1, "Add variable")
self.line2 = wx.StaticLine(self, -1, style=wx.LI_HORIZONTAL)
self.label_period = wx.StaticText(self, -1, "Global history period:")
self.int_period = intctrl.IntCtrl(
self, value=10, min=1, max=99, limited=True,
size=wx.Size(40,-1), style=wx.TE_RIGHT
)
self.label_seconds = wx.StaticText(self, -1, "seconds")
self.line3 = wx.StaticLine(self, -1, style=wx.LI_VERTICAL)
self.button_show = wx.ToggleButton(self, -1, "Show graphs")
self.button_fullscreen = wx.ToggleButton(self, -1, "Fullscreen")
self.graphs = []
self.__set_properties()
self.__do_layout()
self.__bind_events()
# Add current graph found in the monitor server
monitor_server = servers.get_monitor_server()
for i in range( monitor_server.getnumgraphs() ):
self.__add_graph_bar( monitor_server.getgraphvarname(i) )
# Timer to update the current graph stats
self.stats_timer = wx.PyTimer(self.update_current_stats)
self.stats_timer.Start(50)
def __on_toggle_enable(self, event):
graph_index = self.get_graph_index()
servers.get_monitor_server().setgraphactive( graph_index,
event.IsChecked() )
def on_toggle_fullscreen(self, event):
servers.get_monitor_server().setfullscreen(
self.button_fullscreen.GetValue() )
def on_toggle_show(self, event):
servers.get_monitor_server().setdisplayactivated(
self.button_show.GetValue() )
def on_change_period(self, event):
servers.get_monitor_server().sethistoryperiod(
float( self.int_period.get_value() ) )
def on_choose_graph(self, event):
if self.combo_current.GetSelection() != wx.NOT_FOUND:
servers.get_monitor_server().setcurrentgraph(
self.combo_current.GetSelection() )
self.stats_enabled = True
