SVGHMI: add ScreenSaver feature. Automatically jumps to a page named "ScreenSaver" after timeout defined in page arguments.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
# See COPYING file for copyrights details.
#
# This program 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
# of the License, or (at your option) any later version.
#
# This program 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 program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from __future__ import absolute_import
import wx
import wx.lib.buttons
import wx.grid
from six.moves import xrange
from graphics.GraphicCommons import REFRESH_HIGHLIGHT_PERIOD, ERROR_HIGHLIGHT
from controls import CustomGrid, CustomTable, DurationCellEditor
from dialogs.DurationEditorDialog import IEC_TIME_MODEL
from editors.EditorPanel import EditorPanel
from util.BitmapLibrary import GetBitmap
from util.TranslationCatalogs import NoTranslate
from plcopen.structures import TestIdentifier, IEC_KEYWORDS
# -------------------------------------------------------------------------------
# Configuration Editor class
# -------------------------------------------------------------------------------
class ConfigurationEditor(EditorPanel):
VARIABLE_PANEL_TYPE = "config"
def GetBufferState(self):
return self.Controler.GetBufferState()
def Undo(self):
self.Controler.LoadPrevious()
self.ParentWindow.CloseTabsWithoutModel()
def Redo(self):
self.Controler.LoadNext()
self.ParentWindow.CloseTabsWithoutModel()
def HasNoModel(self):
return self.Controler.GetEditedElement(self.TagName) is None
# -------------------------------------------------------------------------------
# Resource Editor class
# -------------------------------------------------------------------------------
def GetTasksTableColnames():
_ = NoTranslate
return [_("Name"), _("Triggering"), _("Single"), _("Interval"), _("Priority")]
def GetTaskTriggeringOptions():
_ = NoTranslate
return [_("Interrupt"), _("Cyclic")]
def SingleCellEditor(*x):
return wx.grid.GridCellChoiceEditor()
def CheckSingle(single, varlist):
return single in varlist
def GetInstancesTableColnames():
_ = NoTranslate
return [_("Name"), _("Type"), _("Task")]
class ResourceTable(CustomTable):
"""
A custom wx.grid.Grid Table using user supplied data
"""
def __init__(self, parent, data, colnames):
# The base class must be initialized *first*
CustomTable.__init__(self, parent, data, colnames)
self.ColAlignements = []
self.ColSizes = []
self.TASKTRIGGERINGOPTIONS_DICT = dict([(_(option), option)
for option in GetTaskTriggeringOptions()])
def GetColAlignements(self):
return self.ColAlignements
def SetColAlignements(self, list):
self.ColAlignements = list
def GetColSizes(self):
return self.ColSizes
def SetColSizes(self, list):
self.ColSizes = list
def GetValue(self, row, col):
if row < self.GetNumberRows():
colname = self.GetColLabelValue(col, False)
value = self.data[row].get(colname, "")
if colname == "Triggering":
return _(value)
return value
def SetValue(self, row, col, value):
if col < len(self.colnames):
colname = self.GetColLabelValue(col, False)
if colname == "Triggering":
value = self.TASKTRIGGERINGOPTIONS_DICT[value]
self.data[row][colname] = value
def _updateColAttrs(self, grid):
"""
wx.grid.Grid -> update the column attributes to add the
appropriate renderer given the column name.
Otherwise default to the default renderer.
"""
for col in range(self.GetNumberCols()):
attr = wx.grid.GridCellAttr()
attr.SetAlignment(self.ColAlignements[col], wx.ALIGN_CENTRE)
grid.SetColAttr(col, attr)
grid.SetColSize(col, self.ColSizes[col])
for row in range(self.GetNumberRows()):
row_highlights = self.Highlights.get(row, {})
for col in range(self.GetNumberCols()):
editor = None
renderer = None
error = False
colname = self.GetColLabelValue(col, False)
grid.SetReadOnly(row, col, False)
if colname == "Name":
editor = wx.grid.GridCellTextEditor()
renderer = wx.grid.GridCellStringRenderer()
elif colname == "Interval":
editor = DurationCellEditor(self, colname)
renderer = wx.grid.GridCellStringRenderer()
if self.GetValueByName(row, "Triggering") != "Cyclic":
grid.SetReadOnly(row, col, True)
interval = self.GetValueByName(row, colname)
if interval != "" and IEC_TIME_MODEL.match(interval.upper()) is None:
error = True
elif colname == "Single":
editor = SingleCellEditor(self, colname)
editor.SetParameters(self.Parent.VariableList)
if self.GetValueByName(row, "Triggering") != "Interrupt":
grid.SetReadOnly(row, col, True)
single = self.GetValueByName(row, colname)
if single != "" and not CheckSingle(single, self.Parent.VariableList):
error = True
elif colname == "Triggering":
editor = wx.grid.GridCellChoiceEditor()
editor.SetParameters(",".join(map(_, GetTaskTriggeringOptions())))
elif colname == "Type":
editor = wx.grid.GridCellChoiceEditor()
editor.SetParameters(self.Parent.TypeList)
elif colname == "Priority":
editor = wx.grid.GridCellNumberEditor()
editor.SetParameters("0,65535")
elif colname == "Task":
editor = wx.grid.GridCellChoiceEditor()
editor.SetParameters(self.Parent.TaskList)
grid.SetCellEditor(row, col, editor)
grid.SetCellRenderer(row, col, renderer)
if error:
highlight_colours = ERROR_HIGHLIGHT
else:
highlight_colours = row_highlights.get(colname.lower(), [(wx.WHITE, wx.BLACK)])[-1]
grid.SetCellBackgroundColour(row, col, highlight_colours[0])
grid.SetCellTextColour(row, col, highlight_colours[1])
self.ResizeRow(grid, row)
# -------------------------------------------------------------------------------
# Highlights showing functions
# -------------------------------------------------------------------------------
def AddHighlight(self, infos, highlight_type):
row_highlights = self.Highlights.setdefault(infos[0], {})
col_highlights = row_highlights.setdefault(infos[1], [])
col_highlights.append(highlight_type)
def ClearHighlights(self, highlight_type=None):
if highlight_type is None:
self.Highlights = {}
else:
for _row, row_highlights in self.Highlights.iteritems():
row_items = row_highlights.items()
for col, col_highlights in row_items:
if highlight_type in col_highlights:
col_highlights.remove(highlight_type)
if len(col_highlights) == 0:
row_highlights.pop(col)
class ResourceEditor(EditorPanel):
VARIABLE_PANEL_TYPE = "resource"
def _init_Editor(self, parent):
self.Editor = wx.Panel(parent, style=wx.SUNKEN_BORDER | wx.TAB_TRAVERSAL)
main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
main_sizer.AddGrowableCol(0)
main_sizer.AddGrowableRow(0)
main_sizer.AddGrowableRow(1)
tasks_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
tasks_sizer.AddGrowableCol(0)
tasks_sizer.AddGrowableRow(1)
main_sizer.AddSizer(tasks_sizer, border=5,
flag=wx.GROW | wx.TOP | wx.LEFT | wx.RIGHT)
tasks_buttons_sizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)
tasks_buttons_sizer.AddGrowableCol(0)
tasks_buttons_sizer.AddGrowableRow(0)
tasks_sizer.AddSizer(tasks_buttons_sizer, flag=wx.GROW)
tasks_label = wx.StaticText(self.Editor, label=_(u'Tasks:'))
tasks_buttons_sizer.AddWindow(tasks_label, flag=wx.ALIGN_BOTTOM)
for name, bitmap, help in [
("AddTaskButton", "add_element", _("Add task")),
("DeleteTaskButton", "remove_element", _("Remove task")),
("UpTaskButton", "up", _("Move task up")),
("DownTaskButton", "down", _("Move task down"))]:
button = wx.lib.buttons.GenBitmapButton(self.Editor,
bitmap=GetBitmap(bitmap),
size=wx.Size(28, 28),
style=wx.NO_BORDER)
button.SetToolTipString(help)
setattr(self, name, button)
tasks_buttons_sizer.AddWindow(button)
self.TasksGrid = CustomGrid(self.Editor, style=wx.VSCROLL)
self.TasksGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGE, self.OnTasksGridCellChange)
tasks_sizer.AddWindow(self.TasksGrid, flag=wx.GROW)
instances_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
instances_sizer.AddGrowableCol(0)
instances_sizer.AddGrowableRow(1)
main_sizer.AddSizer(instances_sizer, border=5,
flag=wx.GROW | wx.BOTTOM | wx.LEFT | wx.RIGHT)
instances_buttons_sizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)
instances_buttons_sizer.AddGrowableCol(0)
instances_buttons_sizer.AddGrowableRow(0)
instances_sizer.AddSizer(instances_buttons_sizer, flag=wx.GROW)
instances_label = wx.StaticText(self.Editor, label=_(u'Instances:'))
instances_buttons_sizer.AddWindow(instances_label, flag=wx.ALIGN_BOTTOM)
for name, bitmap, help in [
("AddInstanceButton", "add_element", _("Add instance")),
("DeleteInstanceButton", "remove_element", _("Remove instance")),
("UpInstanceButton", "up", _("Move instance up")),
("DownInstanceButton", "down", _("Move instance down"))]:
button = wx.lib.buttons.GenBitmapButton(
self.Editor, bitmap=GetBitmap(bitmap),
size=wx.Size(28, 28), style=wx.NO_BORDER)
button.SetToolTipString(help)
setattr(self, name, button)
instances_buttons_sizer.AddWindow(button)
self.InstancesGrid = CustomGrid(self.Editor, style=wx.VSCROLL)
self.InstancesGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGE, self.OnInstancesGridCellChange)
instances_sizer.AddWindow(self.InstancesGrid, flag=wx.GROW)
self.Editor.SetSizer(main_sizer)
def __init__(self, parent, tagname, window, controler):
EditorPanel.__init__(self, parent, tagname, window, controler)
self.RefreshHighlightsTimer = wx.Timer(self, -1)
self.Bind(wx.EVT_TIMER, self.OnRefreshHighlightsTimer, self.RefreshHighlightsTimer)
self.TasksDefaultValue = {"Name": "task0", "Triggering": "Cyclic",
"Single": "", "Interval": "T#20ms", "Priority": 0}
self.TasksTable = ResourceTable(self, [], GetTasksTableColnames())
self.TasksTable.SetColAlignements([wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_RIGHT, wx.ALIGN_RIGHT])
self.TasksTable.SetColSizes([200, 100, 100, 150, 100])
self.TasksGrid.SetTable(self.TasksTable)
self.TasksGrid.SetButtons({"Add": self.AddTaskButton,
"Delete": self.DeleteTaskButton,
"Up": self.UpTaskButton,
"Down": self.DownTaskButton})
def _AddTask(new_row):
if new_row > 0:
row_content = self.TasksTable.data[new_row-1].copy()
old_name = row_content['Name']
row_content['Name'] =\
self.Controler.GenerateNewName(self.TagName, old_name, old_name+'%d')
else:
row_content = self.TasksDefaultValue.copy()
self.TasksTable.InsertRow(new_row, row_content)
self.RefreshModel()
self.RefreshView()
return new_row
setattr(self.TasksGrid, "_AddRow", _AddTask)
def _DeleteTask(row):
self.TasksTable.RemoveRow(row)
self.RefreshModel()
self.RefreshView()
setattr(self.TasksGrid, "_DeleteRow", _DeleteTask)
def _MoveTask(row, move):
new_row = self.TasksTable.MoveRow(row, move)
if new_row != row:
self.RefreshModel()
self.RefreshView()
return new_row
setattr(self.TasksGrid, "_MoveRow", _MoveTask)
self.TasksGrid.SetRowLabelSize(0)
self.TasksTable.ResetView(self.TasksGrid)
self.TasksGrid.RefreshButtons()
self.InstancesDefaultValue = {"Name": "instance0", "Type": "", "Task": ""}
self.InstancesTable = ResourceTable(self, [], GetInstancesTableColnames())
self.InstancesTable.SetColAlignements([wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_LEFT])
self.InstancesTable.SetColSizes([200, 150, 150])
self.InstancesGrid.SetTable(self.InstancesTable)
self.InstancesGrid.SetButtons({"Add": self.AddInstanceButton,
"Delete": self.DeleteInstanceButton,
"Up": self.UpInstanceButton,
"Down": self.DownInstanceButton})
def _AddInstance(new_row):
if new_row > 0:
row_content = self.InstancesTable.data[new_row - 1].copy()
old_name = row_content['Name']
row_content['Name'] =\
self.Controler.GenerateNewName(self.TagName, old_name, old_name+'%d')
else:
row_content = self.InstancesDefaultValue.copy()
self.InstancesTable.InsertRow(new_row, row_content)
self.RefreshModel()
self.RefreshView()
return new_row
setattr(self.InstancesGrid, "_AddRow", _AddInstance)
def _DeleteInstance(row):
self.InstancesTable.RemoveRow(row)
self.RefreshModel()
self.RefreshView()
setattr(self.InstancesGrid, "_DeleteRow", _DeleteInstance)
def _MoveInstance(row, move):
new_row = max(0, min(row + move, self.InstancesTable.GetNumberRows() - 1))
if new_row != row:
if self.InstancesTable.GetValueByName(row, "Task") != self.InstancesTable.GetValueByName(new_row, "Task"):
return row
self.InstancesTable.MoveRow(row, move)
self.RefreshModel()
self.RefreshView()
return new_row
setattr(self.InstancesGrid, "_MoveRow", _MoveInstance)
def _RefreshInstanceButtons():
if self:
rows = self.InstancesTable.GetNumberRows()
row = self.InstancesGrid.GetGridCursorRow()
self.DeleteInstanceButton.Enable(rows > 0)
self.UpInstanceButton.Enable(
row > 0 and
self.InstancesTable.GetValueByName(row, "Task") == self.InstancesTable.GetValueByName(row - 1, "Task"))
self.DownInstanceButton.Enable(
0 <= row < rows - 1 and
self.InstancesTable.GetValueByName(row, "Task") == self.InstancesTable.GetValueByName(row + 1, "Task"))
setattr(self.InstancesGrid, "RefreshButtons", _RefreshInstanceButtons)
self.InstancesGrid.SetRowLabelSize(0)
self.InstancesTable.ResetView(self.InstancesGrid)
self.InstancesGrid.RefreshButtons()
self.TasksGrid.SetFocus()
def __del__(self):
self.RefreshHighlightsTimer.Stop()
def RefreshTypeList(self):
self.TypeList = ""
blocktypes = self.Controler.GetBlockResource()
for blocktype in blocktypes:
self.TypeList += ",%s" % blocktype
def RefreshTaskList(self):
self.TaskList = ""
for row in xrange(self.TasksTable.GetNumberRows()):
self.TaskList += ",%s" % self.TasksTable.GetValueByName(row, "Name")
def RefreshVariableList(self):
self.VariableList = ""
for variable in self.Controler.GetEditedResourceVariables(self.TagName):
self.VariableList += ",%s" % variable
def RefreshModel(self):
self.Controler.SetEditedResourceInfos(self.TagName, self.TasksTable.GetData(), self.InstancesTable.GetData())
self.RefreshBuffer()
# Buffer the last model state
def RefreshBuffer(self):
self.Controler.BufferProject()
self.ParentWindow.RefreshTitle()
self.ParentWindow.RefreshFileMenu()
self.ParentWindow.RefreshEditMenu()
def GetBufferState(self):
return self.Controler.GetBufferState()
def Undo(self):
self.Controler.LoadPrevious()
self.ParentWindow.CloseTabsWithoutModel()
def Redo(self):
self.Controler.LoadNext()
self.ParentWindow.CloseTabsWithoutModel()
def HasNoModel(self):
return self.Controler.GetEditedElement(self.TagName) is None
def RefreshView(self, variablepanel=True):
EditorPanel.RefreshView(self, variablepanel)
tasks, instances = self.Controler.GetEditedResourceInfos(self.TagName)
self.TasksTable.SetData(tasks)
self.InstancesTable.SetData(instances)
self.RefreshTypeList()
self.RefreshTaskList()
self.RefreshVariableList()
self.TasksTable.ResetView(self.TasksGrid)
self.InstancesTable.ResetView(self.InstancesGrid)
self.TasksGrid.RefreshButtons()
self.InstancesGrid.RefreshButtons()
def ShowErrorMessage(self, message):
dialog = wx.MessageDialog(self, message, _("Error"), wx.OK | wx.ICON_ERROR)
dialog.ShowModal()
dialog.Destroy()
def OnTasksGridCellChange(self, event):
row, col = event.GetRow(), event.GetCol()
if self.TasksTable.GetColLabelValue(col, False) == "Name":
value = self.TasksTable.GetValue(row, col)
message = None
if not TestIdentifier(value):
message = _("\"%s\" is not a valid identifier!") % value
elif value.upper() in IEC_KEYWORDS:
message = _("\"%s\" is a keyword. It can't be used!") % value
elif value.upper() in [var["Name"].upper() for i, var in enumerate(self.TasksTable.data) if i != row]:
message = _("A task with the same name already exists!")
if message is not None:
event.Veto()
wx.CallAfter(self.ShowErrorMessage, message)
return
tasklist = [name for name in self.TaskList.split(",") if name != ""]
for i in xrange(self.TasksTable.GetNumberRows()):
task = self.TasksTable.GetValueByName(i, "Name")
if task in tasklist:
tasklist.remove(task)
if len(tasklist) > 0:
old_name = tasklist[0].upper()
new_name = self.TasksTable.GetValue(row, col)
for i in xrange(self.InstancesTable.GetNumberRows()):
name = self.InstancesTable.GetValueByName(i, "Task").upper()
if old_name == name:
self.InstancesTable.SetValueByName(i, "Task", new_name)
if self.TasksTable.GetColLabelValue(col, False) == "Triggering":
self.TasksTable.SetValueByName(row, "Interval", "T#20ms")
self.RefreshModel()
colname = self.TasksTable.GetColLabelValue(col, False)
if colname in ["Triggering", "Name", "Single", "Interval"]:
wx.CallAfter(self.RefreshView, False)
event.Skip()
def OnInstancesGridCellChange(self, event):
row, col = event.GetRow(), event.GetCol()
if self.InstancesTable.GetColLabelValue(col, False) == "Name":
value = self.InstancesTable.GetValue(row, col)
message = None
if not TestIdentifier(value):
message = _("\"%s\" is not a valid identifier!") % value
elif value.upper() in IEC_KEYWORDS:
message = _("\"%s\" is a keyword. It can't be used!") % value
elif value.upper() in [var["Name"].upper() for i, var in enumerate(self.InstancesTable.data) if i != row]:
message = _("An instance with the same name already exists!")
if message is not None:
event.Veto()
wx.CallAfter(self.ShowErrorMessage, message)
return
self.RefreshModel()
self.ParentWindow.RefreshPouInstanceVariablesPanel()
self.InstancesGrid.RefreshButtons()
event.Skip()
# -------------------------------------------------------------------------------
# Highlights showing functions
# -------------------------------------------------------------------------------
def OnRefreshHighlightsTimer(self, event):
self.RefreshView()
event.Skip()
def AddHighlight(self, infos, start, end, highlight_type):
EditorPanel.AddHighlight(self, infos, start, end, highlight_type)
if infos[0] == "task":
self.TasksTable.AddHighlight(infos[1:], highlight_type)
elif infos[0] == "instance":
self.InstancesTable.AddHighlight(infos[1:], highlight_type)
self.RefreshHighlightsTimer.Start(int(REFRESH_HIGHLIGHT_PERIOD * 1000), oneShot=True)
def ClearHighlights(self, highlight_type=None):
EditorPanel.ClearHighlights(self, highlight_type)
self.TasksTable.ClearHighlights(highlight_type)
self.InstancesTable.ClearHighlights(highlight_type)
self.TasksTable.ResetView(self.TasksGrid)
self.InstancesTable.ResetView(self.InstancesGrid)