1

#!/usr/bin/env python

     2

# -*- coding: utf-8 -*-

     3

     4

#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

     5

#based on the plcopen standard. 

     6

#

     7

#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     8

#

     9

#See COPYING file for copyrights details.

    10

#

    11

#This library is free software; you can redistribute it and/or

    12

#modify it under the terms of the GNU General Public

    13

#License as published by the Free Software Foundation; either

    14

#version 2.1 of the License, or (at your option) any later version.

    15

#

    16

#This library is distributed in the hope that it will be useful,

    17

#but WITHOUT ANY WARRANTY; without even the implied warranty of

    18

#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    19

#General Public License for more details.

    20

#

    21

#You should have received a copy of the GNU General Public

    22

#License along with this library; if not, write to the Free Software

    23

#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    24

    25

import wx

    26

    27

from dialogs.BrowseLocationsDialog import BrowseLocationsDialog

    28

    29

class LocationCellControl(wx.PyControl):

    30

    31

    def _init_coll_MainSizer_Items(self, parent):

    32

        parent.AddWindow(self.Location, 0, border=0, flag=wx.GROW)

    33

        parent.AddWindow(self.BrowseButton, 0, border=0, flag=wx.GROW)

    34

    35

    def _init_coll_MainSizer_Growables(self, parent):

    36

        parent.AddGrowableCol(0)

    37

        parent.AddGrowableRow(0)

    38

    39

    def _init_sizers(self):

    40

        self.MainSizer = wx.FlexGridSizer(cols=2, hgap=0, rows=1, vgap=0)

    41

    42

        self._init_coll_MainSizer_Items(self.MainSizer)

    43

        self._init_coll_MainSizer_Growables(self.MainSizer)

    44

    45

        self.SetSizer(self.MainSizer)

    46

    47

    def _init_ctrls(self, prnt):

    48

        wx.Control.__init__(self, id=-1, 

    49

              name='LocationCellControl', parent=prnt,  

    50

              size=wx.DefaultSize, style=0)

    51

    52

        # create location text control

    53

        self.Location = wx.TextCtrl(id=-1, name='Location', parent=self,

    54

              pos=wx.Point(0, 0), size=wx.Size(0, 0), style=wx.TE_PROCESS_ENTER)

    55

        self.Location.Bind(wx.EVT_KEY_DOWN, self.OnLocationChar)

    56

    57

        # create browse button

    58

        self.BrowseButton = wx.Button(id=-1, label='...', 

    59

              name='BrowseButton', parent=self, pos=wx.Point(0, 0), 

    60

              size=wx.Size(30, 0), style=0)

    61

        self.BrowseButton.Bind(wx.EVT_BUTTON, self.OnBrowseButtonClick)

    62

    63

        self.Bind(wx.EVT_SIZE, self.OnSize)

    64

    65

        self._init_sizers()

    66

    67

    '''

    68

    Custom cell editor control with a text box and a button that launches

    69

    the BrowseLocationsDialog.

    70

    '''

    72

        self._init_ctrls(parent)

    74

        self.VarType = None

    75

        self.Default = False

    76

    80

    def SetVarType(self, vartype):

    81

        self.VarType = vartype

    82

    83

    def SetValue(self, value):

    84

        self.Default = value

    85

        self.Location.SetValue(value)

    86

    87

    def GetValue(self):

    88

        return self.Location.GetValue()

    89

    90

    def OnSize(self, event):

    91

        self.Layout()

    92

    93

    def OnBrowseButtonClick(self, event):

    94

        # pop up the location browser dialog

    95

        dialog = BrowseLocationsDialog(self, self.VarType, self.Locations)

    96

        if dialog.ShowModal() == wx.ID_OK:

    97

            infos = dialog.GetValues()

    98

    99

            # set the location

   100

            self.Location.SetValue(infos["location"])

   101

   102

        dialog.Destroy()

   103

   104

        self.Location.SetFocus()

   105

   106

    def OnLocationChar(self, event):

   107

        keycode = event.GetKeyCode()

   108

        if keycode in [wx.WXK_RETURN, wx.WXK_TAB]:

   109

            self.Parent.Parent.ProcessEvent(event)

   110

        elif keycode == wx.WXK_ESCAPE:

   111

            self.Location.SetValue(self.Default)

   112

            self.Parent.Parent.CloseEditControl()

   113

        else:

   114

            event.Skip()

   115

   116

    def SetInsertionPoint(self, i):

   117

        self.Location.SetInsertionPoint(i)

   118

   119

    def SetFocus(self):

   120

        self.Location.SetFocus()

   121

   122

class LocationCellEditor(wx.grid.PyGridCellEditor):

   123

    '''

   124

    Grid cell editor that uses LocationCellControl to display a browse button.

   125

    '''

   126

    def __init__(self, table, controler):

   127

        wx.grid.PyGridCellEditor.__init__(self)

   128

        self.Table = table

   129

        self.Controler = controler

   130

   131

    def __del__(self):

   132

        self.CellControl = None

   133

   134

    def Create(self, parent, id, evt_handler):

   136

        self.SetControl(self.CellControl)

   137

        if evt_handler:

   138

            self.CellControl.PushEventHandler(evt_handler)

   139

   140

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

   143

        self.CellControl.SetValue(self.Table.GetValueByName(row, 'Location'))

   144

        if isinstance(self.CellControl, LocationCellControl):

   145

            self.CellControl.SetVarType(self.Controler.GetBaseType(self.Table.GetValueByName(row, 'Type')))

   146

        self.CellControl.SetFocus()

   147

   148

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

   149

        loc = self.CellControl.GetValue()

   150

        old_loc = self.Table.GetValueByName(row, 'Location')

   153

            self.Table.SetValueByName(row, 'Location', loc)

   156

   157

    def SetSize(self, rect):

   158

        self.CellControl.SetDimensions(rect.x + 1, rect.y,

   159

                                        rect.width, rect.height,

   160

                                        wx.SIZE_ALLOW_MINUS_ONE)

   161

   162

    def Clone(self):

   163

        return LocationCellEditor(self.Table, self.Controler)

   164