Fixed bug in PouInstanceVariablesPanel, exploring child FunctionBlock variables if no instance selected
#!/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
from dialogs.DurationEditorDialog import DurationEditorDialog
class DurationCellControl(wx.PyControl):
'''
Custom cell editor control with a text box and a button that launches
the DurationEditorDialog.
'''
def __init__(self, parent):
wx.Control.__init__(self, parent)
main_sizer = wx.FlexGridSizer(cols=2, hgap=0, rows=1, vgap=0)
main_sizer.AddGrowableCol(0)
main_sizer.AddGrowableRow(0)
# create location text control
self.Duration = wx.TextCtrl(self, size=wx.Size(0, -1),
style=wx.TE_PROCESS_ENTER)
self.Duration.Bind(wx.EVT_KEY_DOWN, self.OnDurationChar)
main_sizer.AddWindow(self.Duration, flag=wx.GROW)
# create browse button
self.EditButton = wx.Button(self, label='...', size=wx.Size(30, -1))
self.Bind(wx.EVT_BUTTON, self.OnEditButtonClick, self.EditButton)
main_sizer.AddWindow(self.EditButton, flag=wx.GROW)
self.Bind(wx.EVT_SIZE, self.OnSize)
self.SetSizer(main_sizer)
self.Default = None
def SetValue(self, value):
self.Default = value
self.Duration.SetValue(value)
def GetValue(self):
return self.Duration.GetValue()
def OnSize(self, event):
self.Layout()
def OnEditButtonClick(self, event):
# pop up the Duration Editor dialog
dialog = DurationEditorDialog(self)
dialog.SetDuration(self.Duration.GetValue())
if dialog.ShowModal() == wx.ID_OK:
# set the duration
self.Duration.SetValue(dialog.GetDuration())
dialog.Destroy()
self.Duration.SetFocus()
def OnDurationChar(self, event):
keycode = event.GetKeyCode()
if keycode in [wx.WXK_RETURN, wx.WXK_TAB]:
self.Parent.Parent.ProcessEvent(event)
elif keycode == wx.WXK_ESCAPE:
self.Duration.SetValue(self.Default)
self.Parent.Parent.CloseEditControl()
else:
event.Skip()
def SetInsertionPoint(self, i):
self.Duration.SetInsertionPoint(i)
def SetFocus(self):
self.Duration.SetFocus()
class DurationCellEditor(wx.grid.PyGridCellEditor):
'''
Grid cell editor that uses DurationCellControl to display an edit button.
'''
def __init__(self, table):
wx.grid.PyGridCellEditor.__init__(self)
self.Table = table
def __del__(self):
self.CellControl = None
def Create(self, parent, id, evt_handler):
self.CellControl = DurationCellControl(parent)
self.SetControl(self.CellControl)
if evt_handler:
self.CellControl.PushEventHandler(evt_handler)
def BeginEdit(self, row, col, grid):
self.CellControl.Enable()
self.CellControl.SetValue(self.Table.GetValueByName(row, 'Interval'))
self.CellControl.SetFocus()
def EndEdit(self, row, col, grid):
duration = self.CellControl.GetValue()
old_duration = self.Table.GetValueByName(row, 'Interval')
changed = duration != old_duration
if changed:
self.Table.SetValueByName(row, 'Interval', duration)
self.CellControl.Disable()
return changed
def SetSize(self, rect):
self.CellControl.SetDimensions(rect.x + 1, rect.y,
rect.width, rect.height,
wx.SIZE_ALLOW_MINUS_ONE)
def Clone(self):
return DurationCellEditor(self.Table)