HGKeeper

#!/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.

#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, colname):

wx.grid.PyGridCellEditor.__init__(self)

self.Table = table

self.Colname = colname

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, self.Colname))

self.CellControl.SetFocus()

def EndEdit(self, row, col, grid):

duration = self.CellControl.GetValue()

old_duration = self.Table.GetValueByName(row, self.Colname)

changed = duration != old_duration

if changed:

self.Table.SetValueByName(row, self.Colname, 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)

beremiz