beremiz

Added LogViewer panel in bottom notebook

2013-03-13, Laurent Bessard
3290eff761f1
Added LogViewer panel in bottom notebook
#!/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) 2013: 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
from datetime import datetime
import wx
from graphics import DebugViewer, REFRESH_PERIOD
from targets.typemapping import LogLevelsCount, LogLevels
from util.BitmapLibrary import GetBitmap
SPEED_VALUES = [10, 5, 2, 1, 0, -1, -2, -5, -10]
class MyScrollBar(wx.Panel):
def __init__(self, parent, size):
wx.Panel.__init__(self, parent, size=size)
self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
self.Bind(wx.EVT_MOTION, self.OnMotion)
self.Bind(wx.EVT_PAINT, self.OnPaint)
self.Bind(wx.EVT_SIZE, self.OnResize)
self.ThumbPosition = SPEED_VALUES.index(0)
self.ThumbScrolling = False
def GetRangeRect(self):
width, height = self.GetClientSize()
return wx.Rect(0, width, width, height - 2 * width)
def GetThumbRect(self):
width, height = self.GetClientSize()
range_rect = self.GetRangeRect()
if self.Parent.IsMessagePanelTop():
thumb_start = 0
else:
thumb_start = int(float(self.ThumbPosition * range_rect.height) / len(SPEED_VALUES))
if self.Parent.IsMessagePanelBottom():
thumb_end = range_rect.height
else:
thumb_end = int(float((self.ThumbPosition + 1) * range_rect.height) / len(SPEED_VALUES))
return wx.Rect(1, range_rect.y + thumb_start, width - 1, thumb_end - thumb_start)
def OnLeftDown(self, event):
self.CaptureMouse()
posx, posy = event.GetPosition()
width, height = self.GetClientSize()
range_rect = self.GetRangeRect()
thumb_rect = self.GetThumbRect()
if range_rect.InsideXY(posx, posy):
if thumb_rect.InsideXY(posx, posy):
self.ThumbScrolling = True
elif posy < thumb_rect.y:
self.Parent.ScrollPageUp()
elif posy > thumb_rect.y + thumb_rect.height:
self.Parent.ScrollPageDown()
elif posy < width:
self.Parent.SetScrollSpeed(1)
elif posy > height - width:
self.Parent.SetScrollSpeed(-1)
event.Skip()
def OnLeftUp(self, event):
self.ThumbScrolling = False
self.ThumbPosition = SPEED_VALUES.index(0)
self.Parent.SetScrollSpeed(SPEED_VALUES[self.ThumbPosition])
self.Refresh()
if self.HasCapture():
self.ReleaseMouse()
event.Skip()
def OnMotion(self, event):
if event.Dragging() and self.ThumbScrolling:
posx, posy = event.GetPosition()
width, height = self.GetClientSize()
range_rect = self.GetRangeRect()
if range_rect.InsideXY(posx, posy):
new_thumb_position = int(float(posy - range_rect.y) * len(SPEED_VALUES) / range_rect.height)
thumb_rect = self.GetThumbRect()
if self.ThumbPosition == SPEED_VALUES.index(0):
if thumb_rect.y == width:
new_thumb_position = max(new_thumb_position, SPEED_VALUES.index(0))
if thumb_rect.y + thumb_rect.height == height - width:
new_thumb_position = min(new_thumb_position, SPEED_VALUES.index(0))
if new_thumb_position != self.ThumbPosition:
self.ThumbPosition = new_thumb_position
self.Parent.SetScrollSpeed(SPEED_VALUES[new_thumb_position])
self.Refresh()
event.Skip()
def OnResize(self, event):
self.Refresh()
event.Skip()
def OnPaint(self, event):
dc = wx.BufferedPaintDC(self)
dc.Clear()
dc.BeginDrawing()
dc.SetPen(wx.GREY_PEN)
dc.SetBrush(wx.GREY_BRUSH)
width, height = self.GetClientSize()
dc.DrawPolygon([wx.Point(width / 2, 1),
wx.Point(1, width - 2),
wx.Point(width - 1, width - 2)])
dc.DrawPolygon([wx.Point(width / 2, height - 1),
wx.Point(2, height - width + 1),
wx.Point(width - 1, height - width + 1)])
thumb_rect = self.GetThumbRect()
dc.DrawRectangle(thumb_rect.x, thumb_rect.y,
thumb_rect.width, thumb_rect.height)
dc.EndDrawing()
event.Skip()
DATE_INFO_SIZE = 10
MESSAGE_INFO_SIZE = 30
class LogMessage:
def __init__(self, tv_sec, tv_nsec, level, level_bitmap, msg):
self.Date = datetime.fromtimestamp(tv_sec)
self.Seconds = self.Date.second + tv_nsec * 1e-9
self.Date = self.Date.replace(second=0)
self.Level = level
self.LevelBitmap = level_bitmap
self.Message = msg
self.DrawDate = True
def __cmp__(self, other):
if self.Date == other.Date:
return cmp(self.Seconds, other.Seconds)
return cmp(self.Date, other.Date)
def Draw(self, dc, offset, width, draw_date):
if draw_date:
datetime_text = self.Date.strftime("%d/%m/%y %H:%M")
dw, dh = dc.GetTextExtent(datetime_text)
dc.DrawText(datetime_text, (width - dw) / 2, offset + (DATE_INFO_SIZE - dh) / 2)
offset += DATE_INFO_SIZE
seconds_text = "%12.9f" % self.Seconds
sw, sh = dc.GetTextExtent(seconds_text)
dc.DrawText(seconds_text, 5, offset + (MESSAGE_INFO_SIZE - sh) / 2)
bw, bh = self.LevelBitmap.GetWidth(), self.LevelBitmap.GetHeight()
dc.DrawBitmap(self.LevelBitmap, 10 + sw, offset + (MESSAGE_INFO_SIZE - bh) / 2)
mw, mh = dc.GetTextExtent(self.Message)
dc.DrawText(self.Message, 15 + sw + bw, offset + (MESSAGE_INFO_SIZE - mh) / 2)
def GetHeight(self, draw_date):
if draw_date:
return DATE_INFO_SIZE + MESSAGE_INFO_SIZE
return MESSAGE_INFO_SIZE
SECOND = 1
MINUTE = 60 * SECOND
HOUR = 60 * MINUTE
DAY = 24 * HOUR
CHANGE_TIMESTAMP_BUTTONS = [(_("1d"), DAY),
(_("1h"), HOUR),
(_("1m"), MINUTE),
(_("1s"), SECOND)]
REVERSE_CHANGE_TIMESTAMP_BUTTONS = CHANGE_TIMESTAMP_BUTTONS[:]
REVERSE_CHANGE_TIMESTAMP_BUTTONS.reverse()
class LogViewer(DebugViewer, wx.Panel):
def __init__(self, parent, window):
wx.Panel.__init__(self, parent, style=wx.TAB_TRAVERSAL|wx.SUNKEN_BORDER)
DebugViewer.__init__(self, None, False, False)
main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
main_sizer.AddGrowableCol(0)
main_sizer.AddGrowableRow(1)
filter_sizer = wx.BoxSizer(wx.HORIZONTAL)
main_sizer.AddSizer(filter_sizer, border=5, flag=wx.TOP|wx.LEFT|wx.RIGHT|wx.GROW)
self.MessageFilter = wx.ComboBox(self, style=wx.CB_READONLY)
self.MessageFilter.Append(_("All"))
levels = LogLevels[:3]
levels.reverse()
for level in levels:
self.MessageFilter.Append(_(level))
self.Bind(wx.EVT_COMBOBOX, self.OnMessageFilterChanged, self.MessageFilter)
filter_sizer.AddWindow(self.MessageFilter, 1, border=5, flag=wx.RIGHT|wx.GROW)
self.SearchMessage = wx.SearchCtrl(self)
self.SearchMessage.ShowSearchButton(True)
self.Bind(wx.EVT_TEXT, self.OnSearchMessageChanged, self.SearchMessage)
self.Bind(wx.EVT_SEARCHCTRL_SEARCH_BTN,
self.OnSearchMessageButtonClick, self.SearchMessage)
filter_sizer.AddWindow(self.SearchMessage, 3, flag=wx.GROW)
message_panel_sizer = wx.FlexGridSizer(cols=3, hgap=0, rows=1, vgap=0)
message_panel_sizer.AddGrowableCol(1)
message_panel_sizer.AddGrowableRow(0)
main_sizer.AddSizer(message_panel_sizer, border=5, flag=wx.LEFT|wx.RIGHT|wx.BOTTOM|wx.GROW)
buttons_sizer = wx.BoxSizer(wx.VERTICAL)
for label, callback in [(_("First"), self.OnFirstButton)] + \
[("+" + text, self.GenerateOnDurationButton(duration))
for text, duration in CHANGE_TIMESTAMP_BUTTONS] +\
[("-" + text, self.GenerateOnDurationButton(-duration))
for text, duration in REVERSE_CHANGE_TIMESTAMP_BUTTONS] + \
[(_("Last"), self.OnLastButton)]:
button = wx.Button(self, label=label)
self.Bind(wx.EVT_BUTTON, callback, button)
buttons_sizer.AddWindow(button, 1, wx.ALIGN_CENTER_VERTICAL)
message_panel_sizer.AddSizer(buttons_sizer, flag=wx.GROW)
self.MessagePanel = wx.Panel(self)
if wx.Platform == '__WXMSW__':
self.Font = wx.Font(10, wx.SWISS, wx.NORMAL, wx.NORMAL, faceName='Courier New')
else:
self.Font = wx.Font(12, wx.SWISS, wx.NORMAL, wx.NORMAL, faceName='Courier')
self.MessagePanel.Bind(wx.EVT_PAINT, self.OnMessagePanelPaint)
self.MessagePanel.Bind(wx.EVT_SIZE, self.OnMessagePanelResize)
message_panel_sizer.AddWindow(self.MessagePanel, flag=wx.GROW)
self.MessageScrollBar = MyScrollBar(self, wx.Size(16, -1))
message_panel_sizer.AddWindow(self.MessageScrollBar, flag=wx.GROW)
self.SetSizer(main_sizer)
self.MessageFilter.SetSelection(0)
self.LogSource = None
self.ResetLogMessages()
self.ParentWindow = window
self.LevelIcons = [GetBitmap(level) for level in LogLevels]
self.LevelFilters = [range(i) for i in xrange(4, 0, -1)]
self.CurrentFilter = self.LevelFilters[0]
self.ScrollSpeed = 0
self.ScrollTimer = wx.Timer(self, -1)
self.Bind(wx.EVT_TIMER, self.OnScrollTimer, self.ScrollTimer)
def __del__(self):
self.ScrollTimer.Stop()
def ResetLogMessages(self):
self.previous_log_count = [None]*LogLevelsCount
self.OldestMessages = []
self.LogMessages = []
self.CurrentMessage = None
self.HasNewData = False
def SetLogSource(self, log_source):
self.LogSource = log_source
if log_source is not None:
self.ResetLogMessages()
self.RefreshView()
def GetLogMessageFromSource(self, msgidx, level):
if self.LogSource is not None:
answer = self.LogSource.GetLogMessage(level, msgidx)
if answer is not None:
msg, tick, tv_sec, tv_nsec = answer
return LogMessage(tv_sec, tv_nsec, level, self.LevelIcons[level], msg)
return None
def SetLogCounters(self, log_count):
new_messages = []
for level, count, prev in zip(xrange(LogLevelsCount), log_count, self.previous_log_count):
if count is not None and prev != count:
if prev is None:
dump_end = count - 2
else:
dump_end = prev - 1
for msgidx in xrange(count-1, dump_end,-1):
new_message = self.GetLogMessageFromSource(msgidx, level)
if new_message is not None:
if prev is None:
self.OldestMessages.append((msgidx, new_message))
if len(new_messages) == 0 or new_message > new_messages[0]:
new_messages = [new_message]
else:
new_messages.insert(0, new_message)
else:
if prev is None:
self.OldestMessages.append((-1, None))
break
self.previous_log_count[level] = count
new_messages.sort()
if len(new_messages) > 0:
self.HasNewData = True
old_length = len(self.LogMessages)
for new_message in new_messages:
self.LogMessages.append(new_message)
if self.CurrentMessage is None or self.CurrentMessage == old_length - 1:
self.CurrentMessage = len(self.LogMessages) - 1
self.NewDataAvailable(None)
def GetNextMessage(self, msgidx, levels=range(4)):
while msgidx < len(self.LogMessages) - 1:
message = self.LogMessages[msgidx + 1]
if message.Level in levels:
return message, msgidx + 1
msgidx += 1
return None, None
def GetPreviousMessage(self, msgidx, levels=range(4)):
message = None
while 0 < msgidx < len(self.LogMessages):
message = self.LogMessages[msgidx - 1]
if message.Level in levels:
return message, msgidx - 1
msgidx -= 1
if len(self.LogMessages) > 0:
message = self.LogMessages[0]
while message is not None:
level = message.Level
oldest_msgidx, oldest_message = self.OldestMessages[level]
if oldest_msgidx > 0:
old_message = self.GetLogMessageFromSource(oldest_msgidx - 1, level)
if old_message is not None:
self.OldestMessages[level] = (oldest_msgidx - 1, old_message)
else:
self.OldestMessages[level] = (-1, None)
else:
self.OldestMessages[level] = (-1, None)
message = None
for idx, msg in self.OldestMessages:
if msg is not None and (message is None or msg > message):
message = msg
if message is not None:
self.LogMessages.insert(0, message)
if self.CurrentMessage is not None:
self.CurrentMessage += 1
else:
self.CurrentMessage = 0
if message.Level in levels:
return message, 0
return None, None
def RefreshNewData(self, *args, **kwargs):
if self.HasNewData:
self.HasNewData = False
self.RefreshView()
DebugViewer.RefreshNewData(self, *args, **kwargs)
def RefreshView(self):
width, height = self.MessagePanel.GetClientSize()
bitmap = wx.EmptyBitmap(width, height)
dc = wx.BufferedDC(wx.ClientDC(self.MessagePanel), bitmap)
dc.Clear()
dc.SetFont(self.Font)
dc.BeginDrawing()
if self.CurrentMessage is not None:
message_idx = self.CurrentMessage
message = self.LogMessages[message_idx]
draw_date = True
offset = 5
while offset < height and message is not None:
message.Draw(dc, offset, width, draw_date)
offset += message.GetHeight(draw_date)
previous_message, message_idx = self.GetPreviousMessage(message_idx, self.CurrentFilter)
if previous_message is not None:
draw_date = message.Date != previous_message.Date
message = previous_message
dc.EndDrawing()
self.MessageScrollBar.Refresh()
def OnMessageFilterChanged(self, event):
self.CurrentFilter = self.LevelFilters[self.MessageFilter.GetSelection()]
if len(self.LogMessages) > 0:
self.CurrentMessage = len(self.LogMessages) - 1
message = self.LogMessages[self.CurrentMessage]
while message is not None and message.Level not in self.CurrentFilter:
message, self.CurrentMessage = self.GetPreviousMessage(self.CurrentMessage, self.CurrentFilter)
self.RefreshView()
event.Skip()
def IsMessagePanelTop(self, message_idx=None):
if message_idx is None:
message_idx = self.CurrentMessage
if message_idx is not None:
return self.GetNextMessage(message_idx, self.CurrentFilter)[0] is None
return True
def IsMessagePanelBottom(self, message_idx=None):
if message_idx is None:
message_idx = self.CurrentMessage
if message_idx is not None:
width, height = self.MessagePanel.GetClientSize()
offset = 5
message = self.LogMessages[message_idx]
draw_date = True
while message is not None and offset < height:
offset += message.GetHeight(draw_date)
previous_message, message_idx = self.GetPreviousMessage(message_idx, self.CurrentFilter)
if previous_message is not None:
draw_date = message.Date != previous_message.Date
message = previous_message
return offset < height
return True
def ScrollMessagePanel(self, scroll):
if self.CurrentMessage is not None:
message = self.LogMessages[self.CurrentMessage]
while scroll > 0 and message is not None:
message, msgidx = self.GetNextMessage(self.CurrentMessage, self.CurrentFilter)
if message is not None:
self.CurrentMessage = msgidx
scroll -= 1
while scroll < 0 and message is not None and not self.IsMessagePanelBottom():
message, msgidx = self.GetPreviousMessage(self.CurrentMessage, self.CurrentFilter)
if message is not None:
self.CurrentMessage = msgidx
scroll += 1
self.RefreshView()
def OnSearchMessageChanged(self, event):
event.Skip()
def OnSearchMessageButtonClick(self, event):
event.Skip()
def OnFirstButton(self, event):
if len(self.LogMessages) > 0:
self.CurrentMessage = len(self.LogMessages) - 1
message = self.LogMessages[self.CurrentMessage]
if message.Level not in self.CurrentFilter:
message, self.CurrentMessage = self.GetPreviousMessage(self.CurrentMessage, self.CurrentFilter)
self.RefreshView()
event.Skip()
def OnLastButton(self, event):
if len(self.LogMessages) > 0:
message_idx = 0
message = self.LogMessages[message_idx]
if message.Level not in self.CurrentFilter:
next_message, msgidx = self.GetNextMessage(message_idx, self.CurrentFilter)
if next_message is not None:
message_idx = msgidx
message = next_message
while message is not None:
message, msgidx = self.GetPreviousMessage(message_idx, self.CurrentFilter)
if message is not None:
message_idx = msgidx
message = self.LogMessages[message_idx]
if message.Level in self.CurrentFilter:
while message is not None:
message, msgidx = self.GetNextMessage(message_idx, self.CurrentFilter)
if message is not None:
if not self.IsMessagePanelBottom(msgidx):
break
message_idx = msgidx
self.CurrentMessage = message_idx
else:
self.CurrentMessage = None
self.RefreshView()
event.Skip()
def GenerateOnDurationButton(self, duration):
def OnDurationButton(event):
event.Skip()
return OnDurationButton
def OnMessagePanelPaint(self, event):
self.RefreshView()
event.Skip()
def OnMessagePanelResize(self, event):
self.RefreshView()
event.Skip()
def OnScrollTimer(self, event):
if self.ScrollSpeed != 0:
speed_norm = abs(self.ScrollSpeed)
if speed_norm <= 5:
self.ScrollMessagePanel(speed_norm / self.ScrollSpeed)
period = REFRESH_PERIOD * 5000 / speed_norm
else:
self.ScrollMessagePanel(self.ScrollSpeed / 5)
period = REFRESH_PERIOD * 1000
self.ScrollTimer.Start(period, True)
event.Skip()
def SetScrollSpeed(self, speed):
if speed == 0:
self.ScrollTimer.Stop()
else:
if not self.ScrollTimer.IsRunning():
speed_norm = abs(speed)
if speed_norm <= 5:
self.ScrollMessagePanel(speed_norm / speed)
period = REFRESH_PERIOD * 5000 / speed_norm
else:
period = REFRESH_PERIOD * 1000
self.ScrollMessagePanel(speed / 5)
self.ScrollTimer.Start(period, True)
self.ScrollSpeed = speed
def ScrollPageUp(self):
pass
def ScrollPageDown(self):
pass