#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
#based on the plcopen standard.
#
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public
#License as published by the Free Software Foundation; either
#version 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
#General Public License for more details.
#
#You should have received a copy of the GNU General Public
#License along with this library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import wx
import wx.lib.plot as plot
import numpy
from graphics.GraphicCommons import DebugViewer
from controls import EditorPanel
colours = ['blue', 'red', 'green', 'yellow', 'orange', 'purple', 'brown', 'cyan',
'pink', 'grey']
markers = ['circle', 'dot', 'square', 'triangle', 'triangle_down', 'cross', 'plus', 'circle']
#-------------------------------------------------------------------------------
# Debug Variable Graphic Viewer class
#-------------------------------------------------------------------------------
SECOND = 1000000000
MINUTE = 60 * SECOND
HOUR = 60 * MINUTE
RANGE_VALUES = [(str(25 * 2 ** i), 25 * 2 ** i) for i in xrange(6)]
TIME_RANGE_VALUES = [("%ds" % i, i * SECOND) for i in (1, 2, 5, 10, 20, 30)] + \
[("%dm" % i, i * MINUTE) for i in (1, 2, 5, 10, 20, 30)] + \
[("%dh" % i, i * HOUR) for i in (1, 2, 3, 6, 12, 24)]
[ID_GRAPHICVIEWER, ID_GRAPHICVIEWERCANVAS,
ID_GRAPHICVIEWERCANVASRANGE, ID_GRAPHICVIEWERCANVASPOSITION,
ID_GRAPHICVIEWERRESETBUTTON, ID_GRAPHICVIEWERCURRENTBUTTON,
ID_GRAPHICVIEWERSTATICTEXT1, ID_GRAPHICVIEWERSTATICTEXT2,
] = [wx.NewId() for _init_ctrls in range(8)]
class GraphicViewer(EditorPanel, DebugViewer):
def _init_coll_MainGridSizer_Items(self, parent):
# generated method, don't edit
parent.AddWindow(self.Canvas, 0, border=0, flag=wx.GROW)
parent.AddSizer(self.RangeSizer, 0, border=0, flag=wx.GROW)
def _init_coll_MainGridSizer_Growables(self, parent):
# generated method, don't edit
parent.AddGrowableCol(0)
parent.AddGrowableRow(0)
def _init_coll_RangeSizer_Items(self, parent):
# generated method, don't edit
parent.AddWindow(self.staticbox1, 0, border=5, flag=wx.ALIGN_CENTER_VERTICAL|wx.ALL)
parent.AddWindow(self.CanvasRange, 0, border=5, flag=wx.ALL)
parent.AddWindow(self.staticText2, 0, border=5, flag=wx.ALIGN_CENTER_VERTICAL|wx.ALL)
parent.AddWindow(self.CanvasPosition, 0, border=5, flag=wx.GROW|wx.ALL)
parent.AddWindow(self.ResetButton, 0, border=5, flag=wx.ALL)
parent.AddWindow(self.CurrentButton, 0, border=5, flag=wx.ALL)
def _init_coll_RangeSizer_Growables(self, parent):
# generated method, don't edit
parent.AddGrowableCol(3)
parent.AddGrowableRow(0)
def _init_sizers(self):
# generated method, don't edit
self.MainGridSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=0)
self.RangeSizer = wx.FlexGridSizer(cols=6, hgap=0, rows=1, vgap=0)
self._init_coll_MainGridSizer_Items(self.MainGridSizer)
self._init_coll_MainGridSizer_Growables(self.MainGridSizer)
self._init_coll_RangeSizer_Items(self.RangeSizer)
self._init_coll_RangeSizer_Growables(self.RangeSizer)
self.Editor.SetSizer(self.MainGridSizer)
def _init_Editor(self, prnt):
self.Editor = wx.Panel(prnt, ID_GRAPHICVIEWER, wx.DefaultPosition,
wx.DefaultSize, 0)
self.Canvas = plot.PlotCanvas(id=ID_GRAPHICVIEWERCANVAS,
name='Canvas', parent=self.Editor, pos=wx.Point(0, 0),
size=wx.Size(0, 0), style=0)
def _axisInterval(spec, lower, upper):
if spec == 'border':
if lower == upper:
return lower - 0.5, upper + 0.5
else:
border = (upper - lower) * 0.05
return lower - border, upper + border
else:
return plot.PlotCanvas._axisInterval(self.Canvas, spec, lower, upper)
self.Canvas._axisInterval = _axisInterval
self.Canvas.SetYSpec('border')
self.staticbox1 = wx.StaticText(id=ID_GRAPHICVIEWERSTATICTEXT1,
label=_('Range:'), name='staticText1', parent=self.Editor,
pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
self.CanvasRange = wx.ComboBox(id=ID_GRAPHICVIEWERCANVASRANGE,
name='CanvasRange', parent=self.Editor, pos=wx.Point(0, 0),
size=wx.Size(100, 28), style=wx.CB_READONLY)
self.Bind(wx.EVT_COMBOBOX, self.OnRangeChanged, id=ID_GRAPHICVIEWERCANVASRANGE)
self.staticText2 = wx.StaticText(id=ID_GRAPHICVIEWERSTATICTEXT2,
label=_('Position:'), name='staticText2', parent=self.Editor,
pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
self.CanvasPosition = wx.ScrollBar(id=ID_GRAPHICVIEWERCANVASPOSITION,
name='Position', parent=self.Editor, pos=wx.Point(0, 0),
size=wx.Size(0, 16), style=wx.SB_HORIZONTAL)
self.CanvasPosition.SetScrollbar(0, 10, 100, 10)
self.CanvasPosition.Bind(wx.EVT_SCROLL_THUMBTRACK, self.OnPositionChanging,
id = ID_GRAPHICVIEWERCANVASPOSITION)
self.CanvasPosition.Bind(wx.EVT_SCROLL_LINEUP, self.OnPositionChanging,
id = ID_GRAPHICVIEWERCANVASPOSITION)
self.CanvasPosition.Bind(wx.EVT_SCROLL_LINEDOWN, self.OnPositionChanging,
id = ID_GRAPHICVIEWERCANVASPOSITION)
self.CanvasPosition.Bind(wx.EVT_SCROLL_PAGEUP, self.OnPositionChanging,
id = ID_GRAPHICVIEWERCANVASPOSITION)
self.CanvasPosition.Bind(wx.EVT_SCROLL_PAGEDOWN, self.OnPositionChanging,
id = ID_GRAPHICVIEWERCANVASPOSITION)
self.ResetButton = wx.Button(id=ID_GRAPHICVIEWERRESETBUTTON, label='Reset',
name='ResetButton', parent=self.Editor, pos=wx.Point(0, 0),
size=wx.Size(72, 24), style=0)
self.Bind(wx.EVT_BUTTON, self.OnResetButton, id=ID_GRAPHICVIEWERRESETBUTTON)
self.CurrentButton = wx.Button(id=ID_GRAPHICVIEWERCURRENTBUTTON, label='Current',
name='CurrentButton', parent=self.Editor, pos=wx.Point(0, 0),
size=wx.Size(72, 24), style=0)
self.Bind(wx.EVT_BUTTON, self.OnCurrentButton, id=ID_GRAPHICVIEWERCURRENTBUTTON)
self._init_sizers()
def __init__(self, parent, window, producer, instancepath = ""):
EditorPanel.__init__(self, parent, "", window, None)
DebugViewer.__init__(self, producer, True, False)
self.InstancePath = instancepath
self.RangeValues = None
self.Datas = []
self.StartValue = 0
self.EndValue = 0
self.Fixed = False
self.Ticktime = self.DataProducer.GetTicktime()
self.RefreshCanvasRange()
self.AddDataConsumer(self.InstancePath.upper(), self)
def __del__(self):
DebugViewer.__del__(self)
self.RemoveDataConsumer(self)
def GetTitle(self):
if len(self.InstancePath) > 15:
return "..." + self.InstancePath[-12:]
return self.InstancePath
def ResetView(self):
self.Datas = []
self.StartValue = 0
self.EndValue = 0
self.Fixed = False
self.Ticktime = self.DataProducer.GetTicktime()
self.RefreshCanvasRange()
self.RefreshView()
def RefreshNewData(self, *args, **kwargs):
self.RefreshView(*args, **kwargs)
DebugViewer.RefreshNewData(self)
def RefreshCanvasRange(self):
if self.Ticktime == 0 and self.RangeValues != RANGE_VALUES:
self.RangeValues = RANGE_VALUES
self.RangeValues_dict = dict(RANGE_VALUES)
self.CanvasRange.Clear()
for text, value in RANGE_VALUES:
self.CanvasRange.Append(text)
self.CanvasRange.SetStringSelection(RANGE_VALUES[0][0])
self.CurrentRange = RANGE_VALUES[0][1]
elif self.RangeValues != TIME_RANGE_VALUES:
self.RangeValues = TIME_RANGE_VALUES
self.RangeValues_dict = dict(TIME_RANGE_VALUES)
self.CanvasRange.Clear()
for text, value in TIME_RANGE_VALUES:
self.CanvasRange.Append(text)
self.CanvasRange.SetStringSelection(TIME_RANGE_VALUES[0][0])
self.CurrentRange = TIME_RANGE_VALUES[0][1] / self.Ticktime
def RefreshView(self, force=True):
self.Freeze()
if force or not self.Fixed:
var_name = self.InstancePath.split(".")[-1]
self.VariableGraphic = plot.PolyLine(self.Datas[self.StartValue:self.EndValue + 1],
legend=var_name, colour=colours[0])
self.GraphicsObject = plot.PlotGraphics([self.VariableGraphic], _("%s Graphics") % var_name, _("Tick"), _("Values"))
datas_length = len(self.Datas)
if datas_length > 1:
start = self.Datas[self.StartValue][0]
else:
start = 0.
self.Canvas.Draw(self.GraphicsObject, xAxis=(start, start + self.CurrentRange))
self.RefreshScrollBar()
self.Thaw()
def GetInstancePath(self):
return self.InstancePath
def IsViewing(self, tagname):
return self.InstancePath == tagname
def GetNearestData(self, tick, adjust):
ticks = numpy.array(zip(*self.Datas)[0])
new_cursor = numpy.argmin(abs(ticks - tick))
if adjust == -1 and ticks[new_cursor] > tick and new_cursor > 0:
new_cursor -= 1
elif adjust == 1 and ticks[new_cursor] < tick and new_cursor < len(self.Datas):
new_cursor += 1
return new_cursor
def NewValue(self, tick, value, forced=False):
self.Datas.append((float(tick), {True:1., False:0.}.get(value, float(value))))
if not self.Fixed:
while int(self.Datas[self.StartValue][0]) < tick - self.CurrentRange:
self.StartValue += 1
self.EndValue += 1
self.NewDataAvailable()
def RefreshScrollBar(self):
if len(self.Datas) > 0:
pos = int(self.Datas[self.StartValue][0] - self.Datas[0][0])
range = int(self.Datas[-1][0] - self.Datas[0][0])
else:
pos = 0
range = 0
self.CanvasPosition.SetScrollbar(pos, self.CurrentRange, range, self.CurrentRange)
def OnRangeChanged(self, event):
old_range = self.CurrentRange
try:
if self.Ticktime == 0:
self.CurrentRange = self.RangeValues_dict[self.CanvasRange.GetValue()]
else:
self.CurrentRange = self.RangeValues_dict[self.CanvasRange.GetValue()] / self.Ticktime
except ValueError, e:
self.CanvasRange.SetValue(str(self.CurrentRange))
if len(self.Datas) > 0:
if self.Fixed and self.Datas[-1][0] - self.Datas[0][0] < self.CurrentRange:
self.Fixed = False
if self.Fixed:
self.StartValue = min(self.StartValue, self.GetNearestData(self.Datas[-1][0] - self.CurrentRange, -1))
self.EndValue = self.GetNearestData(self.StartValue + self.CurrentRange, 1)
else:
self.StartValue = self.GetNearestData(self.Datas[-1][0] - self.CurrentRange - 1, -1)
self.EndValue = len(self.Datas) - 1
self.NewDataAvailable(True)
event.Skip()
def OnPositionChanging(self, event):
self.StartValue = self.GetNearestData(self.Datas[0][0] + event.GetPosition(), -1)
self.EndValue = self.GetNearestData(self.Datas[self.StartValue][0] + self.CurrentRange, 1)
self.Fixed = True
self.NewDataAvailable(True)
event.Skip()
def OnResetButton(self, event):
self.Fixed = False
self.ResteView()
event.Skip()
def OnCurrentButton(self, event):
self.StartValue = self.GetNearestData(self.Datas[-1][0] - self.CurrentRange, -1)
self.EndValue = self.GetNearestData(self.Datas[self.StartValue][0] + self.CurrentRange, 1)
self.Fixed = False
self.NewDataAvailable(True)
event.Skip()