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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 graphics import * |
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28 from controls.LibraryPanel import LibraryPanel |
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29 |
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30 #------------------------------------------------------------------------------- |
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31 # Create New Block Dialog |
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32 #------------------------------------------------------------------------------- |
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33 |
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34 class FBDBlockDialog(wx.Dialog): |
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35 |
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36 def __init__(self, parent, controller): |
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37 wx.Dialog.__init__(self, parent, |
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38 size=wx.Size(600, 450), title=_('Block Properties')) |
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39 |
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40 main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=4, vgap=10) |
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41 main_sizer.AddGrowableCol(0) |
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42 main_sizer.AddGrowableRow(0) |
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43 |
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44 column_sizer = wx.BoxSizer(wx.HORIZONTAL) |
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45 main_sizer.AddSizer(column_sizer, border=20, |
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46 flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT) |
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47 |
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48 type_staticbox = wx.StaticBox(self, label=_('Type:')) |
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49 left_staticboxsizer = wx.StaticBoxSizer(type_staticbox, wx.VERTICAL) |
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50 column_sizer.AddSizer(left_staticboxsizer, 1, border=5, |
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51 flag=wx.GROW|wx.RIGHT) |
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52 |
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53 self.LibraryPanel = LibraryPanel(self) |
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54 self.LibraryPanel.SetController(controller) |
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55 setattr(self.LibraryPanel, "_OnTreeItemSelected", |
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56 self.OnLibraryTreeItemSelected) |
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57 left_staticboxsizer.AddWindow(self.LibraryPanel, 1, border=5, |
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58 flag=wx.GROW|wx.TOP) |
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59 |
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60 right_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=5) |
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61 right_gridsizer.AddGrowableCol(0) |
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62 right_gridsizer.AddGrowableRow(2) |
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63 column_sizer.AddSizer(right_gridsizer, 1, border=5, |
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64 flag=wx.GROW|wx.LEFT) |
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65 |
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66 top_right_gridsizer = wx.FlexGridSizer(cols=2, hgap=0, rows=4, vgap=5) |
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67 top_right_gridsizer.AddGrowableCol(1) |
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68 right_gridsizer.AddSizer(top_right_gridsizer, flag=wx.GROW) |
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69 |
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70 name_label = wx.StaticText(self, label=_('Name:')) |
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71 top_right_gridsizer.AddWindow(name_label, |
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72 flag=wx.ALIGN_CENTER_VERTICAL) |
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73 |
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74 self.BlockName = wx.TextCtrl(self) |
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75 self.Bind(wx.EVT_TEXT, self.OnNameChanged, self.BlockName) |
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76 top_right_gridsizer.AddWindow(self.BlockName, flag=wx.GROW) |
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77 |
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78 inputs_label = wx.StaticText(self, label=_('Inputs:')) |
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79 top_right_gridsizer.AddWindow(inputs_label, |
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80 flag=wx.ALIGN_CENTER_VERTICAL) |
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81 |
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82 self.Inputs = wx.SpinCtrl(self, min=2, max=20, |
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83 style=wx.SP_ARROW_KEYS) |
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84 self.Bind(wx.EVT_SPINCTRL, self.OnInputsChanged, self.Inputs) |
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85 top_right_gridsizer.AddWindow(self.Inputs, flag=wx.GROW) |
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86 |
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87 execution_order_label = wx.StaticText(self, label=_('Execution Order:')) |
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88 top_right_gridsizer.AddWindow(execution_order_label, |
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89 flag=wx.ALIGN_CENTER_VERTICAL) |
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90 |
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91 self.ExecutionOrder = wx.SpinCtrl(self, min=0, style=wx.SP_ARROW_KEYS) |
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92 self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged, self.ExecutionOrder) |
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93 top_right_gridsizer.AddWindow(self.ExecutionOrder, flag=wx.GROW) |
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94 |
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95 execution_control_label = wx.StaticText(self, label=_('Execution Control:')) |
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96 top_right_gridsizer.AddWindow(execution_control_label, |
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97 flag=wx.ALIGN_CENTER_VERTICAL) |
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98 |
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99 self.ExecutionControl = wx.CheckBox(self) |
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100 self.Bind(wx.EVT_CHECKBOX, self.OnExecutionOrderChanged, self.ExecutionControl) |
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101 top_right_gridsizer.AddWindow(self.ExecutionControl, flag=wx.GROW) |
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102 |
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103 preview_label = wx.StaticText(self, label=_('Preview:')) |
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104 right_gridsizer.AddWindow(preview_label, flag=wx.GROW) |
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105 |
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106 self.Preview = wx.Panel(self, |
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107 style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER) |
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108 self.Preview.SetBackgroundColour(wx.Colour(255,255,255)) |
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109 setattr(self.Preview, "GetDrawingMode", lambda:FREEDRAWING_MODE) |
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110 setattr(self.Preview, "GetScaling", lambda:None) |
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111 setattr(self.Preview, "GetBlockType", controller.GetBlockType) |
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112 setattr(self.Preview, "IsOfType", controller.IsOfType) |
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113 self.Preview.Bind(wx.EVT_PAINT, self.OnPaint) |
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114 right_gridsizer.AddWindow(self.Preview, flag=wx.GROW) |
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115 |
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116 button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE) |
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117 self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton()) |
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118 main_sizer.AddSizer(button_sizer, border=20, |
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119 flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT) |
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120 |
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121 self.SetSizer(main_sizer) |
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122 |
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123 self.Controller = controller |
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124 |
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125 self.BlockName.SetValue("") |
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126 self.BlockName.Enable(False) |
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127 self.Inputs.Enable(False) |
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128 self.Block = None |
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129 self.MinBlockSize = None |
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130 self.First = True |
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131 |
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132 self.PouNames = [] |
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133 self.PouElementNames = [] |
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134 |
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135 self.LibraryPanel.SetFocus() |
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136 |
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137 def __del__(self): |
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138 self.Controller = None |
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139 |
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140 def SetBlockList(self, blocklist): |
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141 self.LibraryPanel.SetBlockList(blocklist) |
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142 |
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143 def SetPreviewFont(self, font): |
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144 self.Preview.SetFont(font) |
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145 |
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146 def OnOK(self, event): |
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147 message = None |
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148 selected = self.LibraryPanel.GetSelectedBlock() |
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149 block_name = self.BlockName.GetValue() |
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150 name_enabled = self.BlockName.IsEnabled() |
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151 if selected is None: |
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152 message = _("Form isn't complete. Valid block type must be selected!") |
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153 elif name_enabled and block_name == "": |
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154 message = _("Form isn't complete. Name must be filled!") |
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155 elif name_enabled and not TestIdentifier(block_name): |
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156 message = _("\"%s\" is not a valid identifier!") % block_name |
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157 elif name_enabled and block_name.upper() in IEC_KEYWORDS: |
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158 message = _("\"%s\" is a keyword. It can't be used!") % block_name |
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159 elif name_enabled and block_name.upper() in self.PouNames: |
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160 message = _("\"%s\" pou already exists!") % block_name |
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161 elif name_enabled and block_name.upper() in self.PouElementNames: |
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162 message = _("\"%s\" element for this pou already exists!") % block_name |
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163 if message is not None: |
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164 dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR) |
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165 dialog.ShowModal() |
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166 dialog.Destroy() |
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167 else: |
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168 self.EndModal(wx.ID_OK) |
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169 |
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170 def SetMinBlockSize(self, size): |
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171 self.MinBlockSize = size |
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172 |
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173 def SetPouNames(self, pou_names): |
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174 self.PouNames = [pou_name.upper() for pou_name in pou_names] |
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175 |
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176 def SetPouElementNames(self, element_names): |
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177 self.PouElementNames = [element_name.upper() for element_name in element_names] |
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178 |
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179 def SetValues(self, values): |
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180 blocktype = values.get("type", None) |
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181 if blocktype is not None: |
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182 self.LibraryPanel.SelectTreeItem(blocktype, values.get("inputs", None)) |
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183 for name, value in values.items(): |
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184 if name == "name": |
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185 self.BlockName.SetValue(value) |
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186 elif name == "extension": |
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187 self.Inputs.SetValue(value) |
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188 elif name == "executionOrder": |
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189 self.ExecutionOrder.SetValue(value) |
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190 elif name == "executionControl": |
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191 self.ExecutionControl.SetValue(value) |
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192 self.RefreshPreview() |
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193 |
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194 def GetValues(self): |
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195 values = self.LibraryPanel.GetSelectedBlock() |
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196 if self.BlockName.IsEnabled() and self.BlockName.GetValue() != "": |
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197 values["name"] = self.BlockName.GetValue() |
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198 values["width"], values["height"] = self.Block.GetSize() |
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199 values["extension"] = self.Inputs.GetValue() |
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200 values["executionOrder"] = self.ExecutionOrder.GetValue() |
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201 values["executionControl"] = self.ExecutionControl.GetValue() |
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202 return values |
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203 |
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204 def OnLibraryTreeItemSelected(self, event): |
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205 values = self.LibraryPanel.GetSelectedBlock() |
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206 if values is not None: |
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207 blocktype = self.Controller.GetBlockType(values["type"], values["inputs"]) |
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208 else: |
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209 blocktype = None |
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210 if blocktype is not None: |
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211 self.Inputs.SetValue(len(blocktype["inputs"])) |
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212 self.Inputs.Enable(blocktype["extensible"]) |
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213 self.BlockName.Enable(blocktype["type"] != "function") |
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214 wx.CallAfter(self.RefreshPreview) |
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215 else: |
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216 self.BlockName.Enable(False) |
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217 self.Inputs.Enable(False) |
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218 self.Inputs.SetValue(2) |
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219 wx.CallAfter(self.ErasePreview) |
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220 |
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221 def OnNameChanged(self, event): |
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222 if self.BlockName.IsEnabled(): |
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223 self.RefreshPreview() |
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224 event.Skip() |
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225 |
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226 def OnInputsChanged(self, event): |
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227 if self.Inputs.IsEnabled(): |
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228 self.RefreshPreview() |
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229 event.Skip() |
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230 |
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231 def OnExecutionOrderChanged(self, event): |
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232 self.RefreshPreview() |
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233 event.Skip() |
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234 |
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235 def OnExecutionControlChanged(self, event): |
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236 self.RefreshPreview() |
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237 event.Skip() |
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238 |
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239 def ErasePreview(self): |
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240 dc = wx.ClientDC(self.Preview) |
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241 dc.Clear() |
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242 self.Block = None |
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243 |
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244 def RefreshPreview(self): |
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245 dc = wx.ClientDC(self.Preview) |
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246 dc.SetFont(self.Preview.GetFont()) |
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247 dc.Clear() |
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248 values = self.LibraryPanel.GetSelectedBlock() |
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249 if values is not None: |
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250 if self.BlockName.IsEnabled(): |
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251 blockname = self.BlockName.GetValue() |
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252 else: |
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253 blockname = "" |
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254 self.Block = FBD_Block(self.Preview, values["type"], |
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255 blockname, |
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256 extension = self.Inputs.GetValue(), |
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257 inputs = values["inputs"], |
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258 executionControl = self.ExecutionControl.GetValue(), |
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259 executionOrder = self.ExecutionOrder.GetValue()) |
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260 width, height = self.MinBlockSize |
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261 min_width, min_height = self.Block.GetMinSize() |
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262 width, height = max(min_width, width), max(min_height, height) |
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263 self.Block.SetSize(width, height) |
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264 clientsize = self.Preview.GetClientSize() |
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265 x = (clientsize.width - width) / 2 |
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266 y = (clientsize.height - height) / 2 |
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267 self.Block.SetPosition(x, y) |
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268 self.Block.Draw(dc) |
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269 else: |
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270 self.Block = None |
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271 |
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272 def OnPaint(self, event): |
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273 if self.Block is not None: |
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274 self.RefreshPreview() |
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275 event.Skip() |