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1 #!/usr/bin/env python |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor |
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5 #based on the plcopen standard. |
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6 # |
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7 #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD |
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8 # |
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9 #See COPYING file for copyrights details. |
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10 # |
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11 #This library is free software; you can redistribute it and/or |
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12 #modify it under the terms of the GNU General Public |
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13 #License as published by the Free Software Foundation; either |
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14 #version 2.1 of the License, or (at your option) any later version. |
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15 # |
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16 #This library is distributed in the hope that it will be useful, |
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17 #but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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19 #General Public License for more details. |
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20 # |
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21 #You should have received a copy of the GNU General Public |
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22 #License along with this library; if not, write to the Free Software |
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23 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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24 |
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25 import wx |
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26 |
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27 from dialogs.BrowseLocationsDialog import BrowseLocationsDialog |
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28 |
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29 class LocationCellControl(wx.PyControl): |
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30 |
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31 ''' |
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32 Custom cell editor control with a text box and a button that launches |
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33 the BrowseLocationsDialog. |
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34 ''' |
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35 def __init__(self, parent): |
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36 wx.Control.__init__(self, parent) |
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37 |
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38 main_sizer = wx.FlexGridSizer(cols=2, hgap=0, rows=1, vgap=0) |
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39 main_sizer.AddGrowableCol(0) |
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40 main_sizer.AddGrowableRow(0) |
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41 |
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42 # create location text control |
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43 self.Location = wx.TextCtrl(self, size=wx.Size(0, -1), |
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44 style=wx.TE_PROCESS_ENTER) |
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45 self.Location.Bind(wx.EVT_KEY_DOWN, self.OnLocationChar) |
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46 main_sizer.AddWindow(self.Location, flag=wx.GROW) |
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47 |
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48 # create browse button |
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49 self.BrowseButton = wx.Button(self, label='...', size=wx.Size(30, -1)) |
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50 self.BrowseButton.Bind(wx.EVT_BUTTON, self.OnBrowseButtonClick) |
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51 main_sizer.AddWindow(self.BrowseButton, flag=wx.GROW) |
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52 |
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53 self.Bind(wx.EVT_SIZE, self.OnSize) |
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54 |
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55 self.SetSizer(main_sizer) |
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56 |
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57 self.Controller = None |
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58 self.VarType = None |
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59 self.Default = False |
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60 |
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61 def __del__(self): |
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62 self.Controller = None |
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63 |
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64 def SetController(self, controller): |
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65 self.Controller = controller |
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66 |
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67 def SetVarType(self, vartype): |
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68 self.VarType = vartype |
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69 |
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70 def GetVarType(self): |
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71 return self.VarType |
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72 |
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73 def SetValue(self, value): |
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74 self.Default = value |
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75 self.Location.SetValue(value) |
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76 |
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77 def GetValue(self): |
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78 return self.Location.GetValue() |
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79 |
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80 def OnSize(self, event): |
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81 self.Layout() |
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82 |
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83 def OnBrowseButtonClick(self, event): |
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84 # pop up the location browser dialog |
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85 dialog = BrowseLocationsDialog(self, self.VarType, self.Controller) |
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86 if dialog.ShowModal() == wx.ID_OK: |
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87 infos = dialog.GetValues() |
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88 |
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89 # set the location |
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90 self.Location.SetValue(infos["location"]) |
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91 self.VarType = infos["IEC_type"] |
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92 |
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93 dialog.Destroy() |
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94 |
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95 self.Location.SetFocus() |
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96 |
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97 def OnLocationChar(self, event): |
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98 keycode = event.GetKeyCode() |
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99 if keycode in [wx.WXK_RETURN, wx.WXK_TAB]: |
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100 self.Parent.Parent.ProcessEvent(event) |
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101 elif keycode == wx.WXK_ESCAPE: |
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102 self.Location.SetValue(self.Default) |
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103 self.Parent.Parent.CloseEditControl() |
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104 else: |
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105 event.Skip() |
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106 |
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107 def SetInsertionPoint(self, i): |
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108 self.Location.SetInsertionPoint(i) |
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109 |
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110 def SetFocus(self): |
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111 self.Location.SetFocus() |
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112 |
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113 class LocationCellEditor(wx.grid.PyGridCellEditor): |
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114 ''' |
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115 Grid cell editor that uses LocationCellControl to display a browse button. |
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116 ''' |
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117 def __init__(self, table, controller): |
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118 wx.grid.PyGridCellEditor.__init__(self) |
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119 |
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120 self.Table = table |
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121 self.Controller = controller |
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122 |
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123 def __del__(self): |
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124 self.CellControl = None |
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125 self.Controller = None |
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126 |
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127 def Create(self, parent, id, evt_handler): |
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128 self.CellControl = LocationCellControl(parent) |
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129 self.SetControl(self.CellControl) |
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130 if evt_handler: |
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131 self.CellControl.PushEventHandler(evt_handler) |
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132 |
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133 def BeginEdit(self, row, col, grid): |
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134 self.CellControl.Enable() |
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135 self.CellControl.SetController(self.Controller) |
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136 self.CellControl.SetValue(self.Table.GetValueByName(row, 'Location')) |
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137 if isinstance(self.CellControl, LocationCellControl): |
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138 self.CellControl.SetVarType(self.Table.GetValueByName(row, 'Type')) |
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139 self.CellControl.SetFocus() |
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140 |
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141 def EndEdit(self, row, col, grid): |
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142 loc = self.CellControl.GetValue() |
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143 old_loc = self.Table.GetValueByName(row, 'Location') |
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144 changed = loc != old_loc |
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145 if changed: |
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146 self.Table.SetValueByName(row, 'Location', loc) |
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147 self.Table.SetValueByName(row, 'Type', self.CellControl.GetVarType()) |
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148 self.CellControl.Disable() |
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149 return changed |
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150 |
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151 def SetSize(self, rect): |
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152 self.CellControl.SetDimensions(rect.x + 1, rect.y, |
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153 rect.width, rect.height, |
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154 wx.SIZE_ALLOW_MINUS_ONE) |
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155 |
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156 def Clone(self): |
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157 return LocationCellEditor(self.Table, self.Controller) |
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158 |