FBDViewer.py
changeset 0 b622defdfd98
child 2 93bc4c2cf376
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-1:000000000000 0:b622defdfd98
       
     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): 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 Lesser 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 #Lesser General Public License for more details.
       
    20 #
       
    21 #You should have received a copy of the GNU Lesser 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 from wxPython.wx import *
       
    26 import wx
       
    27 
       
    28 from plcopen.structures import *
       
    29 from graphics.GraphicCommons import *
       
    30 from graphics.FBD_Objects import *
       
    31 from Viewer import *
       
    32 
       
    33 class FBD_Viewer(Viewer):
       
    34     
       
    35     def __init__(self, parent, window, controler):
       
    36         Viewer.__init__(self, parent, window, controler)
       
    37 
       
    38 #-------------------------------------------------------------------------------
       
    39 #                          Mouse event functions
       
    40 #-------------------------------------------------------------------------------
       
    41 
       
    42     def OnViewerLeftDown(self, event):
       
    43         if self.Mode == MODE_SELECTION:
       
    44             pos = event.GetPosition()
       
    45             if event.ControlDown() and self.SelectedElement:
       
    46                 element = self.FindElement(pos, True)
       
    47                 if element:
       
    48                     if isinstance(self.SelectedElement, Graphic_Group):
       
    49                         self.SelectedElement.SetSelected(False)
       
    50                         self.SelectedElement.SelectElement(element)
       
    51                     elif self.SelectedElement:
       
    52                         group = Graphic_Group(self)
       
    53                         group.SelectElement(self.SelectedElement)
       
    54                         group.SelectElement(element)
       
    55                         self.SelectedElement = group
       
    56                     elements = self.SelectedElement.GetElements()
       
    57                     if len(elements) == 0:
       
    58                         self.SelectedElement = element
       
    59                     elif len(elements) == 1:
       
    60                         self.SelectedElement = elements[0]
       
    61                     self.SelectedElement.SetSelected(True)
       
    62             else:
       
    63                 element = self.FindElement(pos)
       
    64                 if self.SelectedElement and self.SelectedElement != element:
       
    65                     self.SelectedElement.SetSelected(False)
       
    66                     self.SelectedElement = None
       
    67                     self.Refresh()
       
    68                 if element:
       
    69                     self.SelectedElement = element
       
    70                     self.SelectedElement.OnLeftDown(event, self.Scaling)
       
    71                     self.Refresh()
       
    72                 else:
       
    73                     self.rubberBand.Reset()
       
    74                     self.rubberBand.OnLeftDown(event, self.Scaling)
       
    75         elif self.Mode in [MODE_BLOCK,MODE_VARIABLE,MODE_CONNECTION,MODE_COMMENT]:
       
    76             self.rubberBand.Reset()
       
    77             self.rubberBand.OnLeftDown(event, self.Scaling)
       
    78         elif self.Mode == MODE_WIRE:
       
    79             pos = GetScaledEventPosition(event, self.Scaling)
       
    80             wire = Wire(self, [wxPoint(pos.x, pos.y), EAST], [wxPoint(pos.x, pos.y), WEST])
       
    81             wire.oldPos = pos
       
    82             wire.Handle = (HANDLE_POINT, 0)
       
    83             wire.ProcessDragging(0, 0)
       
    84             wire.Handle = (HANDLE_POINT, 1)
       
    85             self.Wires.append(wire)
       
    86             self.Elements.append(wire)
       
    87             if self.SelectedElement:
       
    88                 self.SelectedElement.SetSelected(False)
       
    89             self.SelectedElement = wire
       
    90             self.Refresh()
       
    91         event.Skip()
       
    92 
       
    93     def OnViewerLeftUp(self, event):
       
    94         if self.rubberBand.IsShown():
       
    95             if self.Mode == MODE_SELECTION:
       
    96                 elements = self.SearchElements(self.rubberBand.GetCurrentExtent())
       
    97                 self.rubberBand.OnLeftUp(event, self.Scaling)
       
    98                 if len(elements) > 0:
       
    99                     self.SelectedElement = Graphic_Group(self)
       
   100                     self.SelectedElement.SetElements(elements)
       
   101                     self.SelectedElement.SetSelected(True)
       
   102                     self.Refresh()
       
   103             elif self.Mode == MODE_BLOCK:
       
   104                 bbox = self.rubberBand.GetCurrentExtent()
       
   105                 self.rubberBand.OnLeftUp(event, self.Scaling)
       
   106                 wxCallAfter(self.AddNewBlock, bbox)
       
   107             elif self.Mode == MODE_VARIABLE:
       
   108                 bbox = self.rubberBand.GetCurrentExtent()
       
   109                 self.rubberBand.OnLeftUp(event, self.Scaling)
       
   110                 wxCallAfter(self.AddNewVariable, bbox)
       
   111             elif self.Mode == MODE_CONNECTION:
       
   112                 bbox = self.rubberBand.GetCurrentExtent()
       
   113                 self.rubberBand.OnLeftUp(event, self.Scaling)
       
   114                 wxCallAfter(self.AddNewConnection, bbox)
       
   115             elif self.Mode == MODE_COMMENT:
       
   116                 bbox = self.rubberBand.GetCurrentExtent()
       
   117                 self.rubberBand.OnLeftUp(event, self.Scaling)
       
   118                 wxCallAfter(self.AddNewComment, bbox)
       
   119         elif self.Mode == MODE_SELECTION and self.SelectedElement:
       
   120             self.SelectedElement.OnLeftUp(event, self.Scaling)
       
   121             wxCallAfter(self.SetCursor, wxNullCursor)
       
   122             self.ReleaseMouse()
       
   123             self.Refresh()
       
   124         elif self.Mode == MODE_WIRE and self.SelectedElement:
       
   125             self.SelectedElement.ResetPoints()
       
   126             self.SelectedElement.OnMotion(event, self.Scaling)
       
   127             self.SelectedElement.GeneratePoints()
       
   128             self.SelectedElement.RefreshModel()
       
   129             self.SelectedElement.SetSelected(True)
       
   130             self.Refresh()
       
   131         event.Skip()
       
   132     
       
   133     def OnViewerRightUp(self, event):
       
   134         pos = event.GetPosition()
       
   135         element = self.FindElement(pos)
       
   136         if element:
       
   137             if self.SelectedElement and self.SelectedElement != element:
       
   138                 self.SelectedElement.SetSelected(False)
       
   139             self.SelectedElement = element
       
   140             self.SelectedElement.SetSelected(True)
       
   141             self.SelectedElement.OnRightUp(event, self.Scaling)
       
   142             wxCallAfter(self.SetCursor, wxNullCursor)
       
   143             self.ReleaseMouse()
       
   144             self.Refresh()
       
   145         event.Skip()
       
   146     
       
   147     def OnViewerLeftDClick(self, event):
       
   148         if self.Mode == MODE_SELECTION and self.SelectedElement:
       
   149             self.SelectedElement.OnLeftDClick(event, self.Scaling)
       
   150             self.Refresh()
       
   151         event.Skip()
       
   152     
       
   153     def OnViewerMotion(self, event):
       
   154         if self.rubberBand.IsShown():
       
   155             self.rubberBand.OnMotion(event, self.Scaling)
       
   156         elif self.Mode == MODE_SELECTION and self.SelectedElement:
       
   157             self.SelectedElement.OnMotion(event, self.Scaling)
       
   158             self.Refresh()
       
   159         elif self.Mode == MODE_WIRE and self.SelectedElement:
       
   160             self.SelectedElement.ResetPoints()
       
   161             self.SelectedElement.OnMotion(event, self.Scaling)
       
   162             self.SelectedElement.GeneratePoints()
       
   163             self.Refresh()
       
   164         event.Skip()
       
   165 
       
   166 #-------------------------------------------------------------------------------
       
   167 #                          Keyboard event functions
       
   168 #-------------------------------------------------------------------------------
       
   169 
       
   170     def OnChar(self, event):
       
   171         keycode = event.GetKeyCode()
       
   172         if self.Scaling:
       
   173             scaling = self.Scaling
       
   174         else:
       
   175             scaling = (8, 8)
       
   176         if keycode == WXK_DELETE and self.SelectedElement:
       
   177             self.SelectedElement.Clean()
       
   178             self.SelectedElement.Delete()
       
   179             self.SelectedElement = None
       
   180         elif keycode == WXK_LEFT and self.SelectedElement:
       
   181             self.SelectedElement.Move(-scaling[0], 0)
       
   182         elif keycode == WXK_RIGHT and self.SelectedElement:
       
   183             self.SelectedElement.Move(scaling[0], 0)
       
   184         elif keycode == WXK_UP and self.SelectedElement:
       
   185             self.SelectedElement.Move(0, -scaling[1])
       
   186         elif keycode == WXK_DOWN and self.SelectedElement:
       
   187             self.SelectedElement.Move(0, scaling[1])
       
   188         self.Refresh()
       
   189         event.Skip()
       
   190 
       
   191 #-------------------------------------------------------------------------------
       
   192 #                          Adding element functions
       
   193 #-------------------------------------------------------------------------------
       
   194 
       
   195     def AddNewBlock(self, bbox):
       
   196         dialog = BlockPropertiesDialog(self.Parent)
       
   197         dialog.SetBlockList(self.Controler.GetBlockTypes())
       
   198         dialog.SetMinBlockSize((bbox.width, bbox.height))
       
   199         if dialog.ShowModal() == wxID_OK:
       
   200             id = self.GetNewId()
       
   201             values = dialog.GetValues()
       
   202             if "name" in values:
       
   203                 block = FBD_Block(self, values["type"], values["name"], id, values["extension"])
       
   204             else:
       
   205                 block = FBD_Block(self, values["type"], "", id, values["extension"])
       
   206             block.SetPosition(bbox.x, bbox.y)
       
   207             block.SetSize(values["width"], values["height"])
       
   208             self.Blocks.append(block)
       
   209             self.Elements.append(block)
       
   210             self.Controler.AddCurrentElementEditingBlock(id)
       
   211             self.RefreshBlockModel(block)
       
   212             self.Parent.RefreshProjectTree()
       
   213             self.Refresh()
       
   214         dialog.Destroy()
       
   215     
       
   216     def AddNewVariable(self, bbox):
       
   217         dialog = VariablePropertiesDialog(self.Parent)
       
   218         dialog.SetMinVariableSize((bbox.width, bbox.height))
       
   219         varlist = []
       
   220         vars = self.Controler.GetCurrentElementEditingInterfaceVars()
       
   221         if vars:
       
   222             for var in vars:
       
   223                 varlist.append((var["Name"], var["Class"], var["Type"]))
       
   224         returntype = self.Controler.GetCurrentElementEditingInterfaceReturnType()
       
   225         if returntype:
       
   226             varlist.append((self.Controler.GetCurrentElementEditingName(), "Output", returntype))
       
   227         dialog.SetVariables(varlist)
       
   228         if dialog.ShowModal() == wxID_OK:
       
   229             id = self.GetNewId()
       
   230             values = dialog.GetValues()
       
   231             variable = FBD_Variable(self, values["type"], values["name"], values["value_type"], id)
       
   232             variable.SetPosition(bbox.x, bbox.y)
       
   233             variable.SetSize(values["width"], values["height"])
       
   234             self.Blocks.append(variable)
       
   235             self.Elements.append(variable)
       
   236             self.Controler.AddCurrentElementEditingVariable(id, values["type"])
       
   237             self.RefreshVariableModel(variable)
       
   238             self.Parent.RefreshProjectTree()
       
   239             self.Refresh()
       
   240         dialog.Destroy()
       
   241 
       
   242     def AddNewConnection(self, bbox):
       
   243         dialog = ConnectionPropertiesDialog(self.Parent)
       
   244         dialog.SetMinConnectionSize((bbox.width, bbox.height))
       
   245         if dialog.ShowModal() == wxID_OK:
       
   246             id = self.GetNewId()
       
   247             values = dialog.GetValues()
       
   248             connection = FBD_Connection(self, values["type"], values["name"], id)
       
   249             connection.SetPosition(bbox.x, bbox.y)
       
   250             connection.SetSize(values["width"], values["height"])
       
   251             self.Blocks.append(connection)
       
   252             self.Elements.append(connection)
       
   253             self.Controler.AddCurrentElementEditingConnection(id, values["type"])
       
   254             self.RefreshConnectionModel(connection)
       
   255             self.Parent.RefreshProjectTree()
       
   256             self.Refresh()
       
   257         dialog.Destroy()
       
   258 
       
   259     def AddNewComment(self, bbox):
       
   260         dialog = wxTextEntryDialog(self.Parent, "Add a new comment", "Please enter comment text", "", wxOK|wxCANCEL|wxTE_MULTILINE)
       
   261         if dialog.ShowModal() == wxID_OK:
       
   262             value = dialog.GetValue()
       
   263             id = self.GetNewId()
       
   264             comment = Comment(self, value, id)
       
   265             comment.SetPosition(bbox.x, bbox.y)
       
   266             min_width, min_height = comment.GetMinSize()
       
   267             comment.SetSize(max(min_width,bbox.width),max(min_height,bbox.height))
       
   268             self.Elements.append(comment)
       
   269             self.Controler.AddCurrentElementEditingComment(id)
       
   270             self.RefreshCommentModel(comment)
       
   271             self.Refresh()
       
   272         dialog.Destroy()
       
   273             
       
   274 #-------------------------------------------------------------------------------
       
   275 #                          Delete element functions
       
   276 #-------------------------------------------------------------------------------
       
   277 
       
   278     def DeleteBlock(self, block):
       
   279         wires = []
       
   280         for output in block.GetConnectors()["outputs"]:
       
   281             wires.extend([wire[0] for wire in output.GetWires()])
       
   282         block.Clean()
       
   283         self.Blocks.remove(block)
       
   284         self.Elements.remove(block)
       
   285         self.Controler.RemoveCurrentElementEditingInstance(block.GetId())
       
   286         for wire in wires:
       
   287             wire.RefreshModel()
       
   288         self.Parent.RefreshProjectTree()
       
   289 
       
   290     def DeleteVariable(self, variable):
       
   291         wires = []
       
   292         if self.SelectedElement.GetType() == INPUT:
       
   293             connector = variable.GetConnector()
       
   294             wires.extend([wire[0] for wire in connector.GetWires()])
       
   295         variable.Clean()
       
   296         self.Blocks.remove(self.SelectedElement)
       
   297         self.Elements.remove(self.SelectedElement)
       
   298         self.Controler.RemoveCurrentElementEditingInstance(variable.GetId())
       
   299         for wire in wires:
       
   300             wire.RefreshModel()
       
   301         self.Parent.RefreshProjectTree()
       
   302 
       
   303     def DeleteConnection(self, connection):
       
   304         wires = []
       
   305         if self.SelectedElement.GetType() == CONTINUATION:
       
   306             connector = connection.GetConnector()
       
   307             wires.extend([wire[0] for wire in connector.GetWires()])
       
   308         connection.Clean()
       
   309         self.Blocks.remove(self.SelectedElement)
       
   310         self.Elements.remove(self.SelectedElement)
       
   311         self.Controler.RemoveCurrentElementEditingInstance(connection.GetId())
       
   312         for wire in wires:
       
   313             wire.RefreshModel()
       
   314         self.Parent.RefreshProjectTree()
       
   315 
       
   316     def DeleteComment(self, comment):
       
   317         self.Elements.remove(self.SelectedElement)
       
   318         self.Controler.RemoveCurrentElementEditingInstance(comment.GetId())
       
   319 
       
   320     def DeleteWire(self, wire):
       
   321         connected = wire.GetConnected()
       
   322         self.SelectedElement.Clean()
       
   323         self.Wires.remove(self.SelectedElement)
       
   324         self.Elements.remove(self.SelectedElement)
       
   325         for connector in connected:
       
   326             connector.RefreshParentBlock()
       
   327 
       
   328 #-------------------------------------------------------------------------------
       
   329 #                          Create New Block Dialog
       
   330 #-------------------------------------------------------------------------------
       
   331 
       
   332 [wxID_BLOCKPROPERTIESDIALOG, wxID_BLOCKPROPERTIESDIALOGMAINPANEL, 
       
   333  wxID_BLOCKPROPERTIESDIALOGNAME, wxID_BLOCKPROPERTIESDIALOGTYPETREE, 
       
   334  wxID_BLOCKPROPERTIESDIALOGTYPEDESC, wxID_BLOCKPROPERTIESDIALOGINPUTS, 
       
   335  wxID_BLOCKPROPERTIESDIALOGPREVIEW, wxID_BLOCKPROPERTIESDIALOGSTATICTEXT1, 
       
   336  wxID_BLOCKPROPERTIESDIALOGSTATICTEXT2, wxID_BLOCKPROPERTIESDIALOGSTATICTEXT3, 
       
   337  wxID_BLOCKPROPERTIESDIALOGSTATICTEXT4, 
       
   338 ] = [wx.NewId() for _init_ctrls in range(11)]
       
   339 
       
   340 class BlockPropertiesDialog(wx.Dialog):
       
   341     def _init_coll_flexGridSizer1_Items(self, parent):
       
   342         # generated method, don't edit
       
   343 
       
   344         parent.AddWindow(self.MainPanel, 0, border=0, flag=0)
       
   345 
       
   346     def _init_sizers(self):
       
   347         # generated method, don't edit
       
   348         self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=0)
       
   349 
       
   350         self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
       
   351 
       
   352         self.SetSizer(self.flexGridSizer1)
       
   353 
       
   354     def _init_ctrls(self, prnt):
       
   355         # generated method, don't edit
       
   356         wx.Dialog.__init__(self, id=wxID_BLOCKPROPERTIESDIALOG,
       
   357               name='BlockPropertiesDialog', parent=prnt, pos=wx.Point(376, 223),
       
   358               size=wx.Size(600, 360), style=wx.DEFAULT_DIALOG_STYLE,
       
   359               title='Block Properties')
       
   360         self.SetClientSize(wx.Size(600, 360))
       
   361 
       
   362         self.MainPanel = wx.Panel(id=wxID_BLOCKPROPERTIESDIALOGMAINPANEL,
       
   363               name='MainPanel', parent=self, pos=wx.Point(0, 0),
       
   364               size=wx.Size(600, 320), style=wx.TAB_TRAVERSAL)
       
   365         self.MainPanel.SetAutoLayout(True)
       
   366 
       
   367         self.staticbox1 = wx.StaticBox(id=wxID_BLOCKPROPERTIESDIALOGSTATICTEXT1,
       
   368               label='Type:', name='staticBox1', parent=self.MainPanel,
       
   369               pos=wx.Point(24, 24), size=wx.Size(245, 280), style=0)
       
   370 
       
   371         self.staticText2 = wx.StaticText(id=wxID_BLOCKPROPERTIESDIALOGSTATICTEXT2,
       
   372               label='Name:', name='staticText2', parent=self.MainPanel,
       
   373               pos=wx.Point(274, 24), size=wx.Size(70, 17), style=0)
       
   374 
       
   375         self.staticText3 = wx.StaticText(id=wxID_BLOCKPROPERTIESDIALOGSTATICTEXT2,
       
   376               label='Inputs:', name='staticText4', parent=self.MainPanel,
       
   377               pos=wx.Point(424, 24), size=wx.Size(70, 17), style=0)
       
   378 
       
   379         self.staticText4 = wx.StaticText(id=wxID_BLOCKPROPERTIESDIALOGSTATICTEXT4,
       
   380               label='Preview:', name='staticText4', parent=self.MainPanel,
       
   381               pos=wx.Point(274, 80), size=wx.Size(100, 17), style=0)
       
   382 
       
   383         self.TypeTree = wx.TreeCtrl(id=wxID_BLOCKPROPERTIESDIALOGTYPETREE,
       
   384               name='TypeTree', parent=self.MainPanel, pos=wx.Point(34, 44),
       
   385               size=wx.Size(225, 180), style=wx.TR_HAS_BUTTONS|wx.TR_HIDE_ROOT|wx.TR_SINGLE|wx.SUNKEN_BORDER)
       
   386         EVT_TREE_SEL_CHANGED(self, wxID_BLOCKPROPERTIESDIALOGTYPETREE, self.OnTypeTreeItemSelected)
       
   387 
       
   388         self.TypeDesc = wx.TextCtrl(id=wxID_BLOCKPROPERTIESDIALOGTYPEDESC,
       
   389               name='TypeDesc', parent=self.MainPanel, pos=wx.Point(34, 230),
       
   390               size=wx.Size(225, 65), style=wx.TE_READONLY|wx.TE_MULTILINE)
       
   391 
       
   392         self.Name = wx.TextCtrl(id=wxID_BLOCKPROPERTIESDIALOGNAME, value='',
       
   393               name='Name', parent=self.MainPanel, pos=wx.Point(274, 48),
       
   394               size=wx.Size(145, 24), style=0)
       
   395         EVT_TEXT(self, wxID_BLOCKPROPERTIESDIALOGNAME, self.OnNameChanged)
       
   396 
       
   397         self.Inputs = wx.SpinCtrl(id=wxID_BLOCKPROPERTIESDIALOGINPUTS,
       
   398               name='Inputs', parent=self.MainPanel, pos=wx.Point(424, 48),
       
   399               size=wx.Size(145, 24), style=0, min=2, max=20)
       
   400         EVT_SPINCTRL(self, wxID_BLOCKPROPERTIESDIALOGINPUTS, self.OnInputsChanged)
       
   401 
       
   402         self.Preview = wx.Panel(id=wxID_BLOCKPROPERTIESDIALOGPREVIEW,
       
   403               name='Preview', parent=self.MainPanel, pos=wx.Point(274, 104),
       
   404               size=wx.Size(300, 200), style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER)
       
   405         self.Preview.SetBackgroundColour(wxColour(255,255,255))
       
   406 
       
   407         self._init_sizers()
       
   408 
       
   409     def __init__(self, parent):
       
   410         self._init_ctrls(parent)
       
   411         self.ButtonSizer = self.CreateButtonSizer(wxOK|wxCANCEL)
       
   412         self.flexGridSizer1.Add(self.ButtonSizer, 1, wxALIGN_RIGHT)
       
   413         self.Name.SetValue("")
       
   414         self.Name.Enable(False)
       
   415         self.Inputs.Enable(False)
       
   416         self.Block = None
       
   417         self.MinBlockSize = None
       
   418         
       
   419         EVT_PAINT(self, self.OnPaint)
       
   420         EVT_BUTTON(self, self.ButtonSizer.GetAffirmativeButton().GetId(), self.OnOK)
       
   421     
       
   422     def OnOK(self, event):
       
   423         error = []
       
   424         selected = self.TypeTree.GetSelection()
       
   425         if not selected.IsOk() or self.TypeTree.GetItemParent(selected) == self.TypeTree.GetRootItem() or selected == self.TypeTree.GetRootItem():
       
   426             message = wxMessageDialog(self, "Form isn't complete. Valid block type must be selected!", "Error", wxOK|wxICON_ERROR)
       
   427             message.ShowModal()
       
   428             message.Destroy()
       
   429         elif self.Name.IsEnabled() and self.Name.GetValue() == "":
       
   430             message = wxMessageDialog(self, "Form isn't complete. Name must be filled!", "Error", wxOK|wxICON_ERROR)
       
   431             message.ShowModal()
       
   432             message.Destroy()
       
   433         else:
       
   434             self.EndModal(wxID_OK)
       
   435 
       
   436     def SetBlockList(self, blocktypes):
       
   437         root = self.TypeTree.AddRoot("")
       
   438         for category in blocktypes:
       
   439             category_item = self.TypeTree.AppendItem(root, category["name"])
       
   440             for blocktype in category["list"]:
       
   441                 blocktype_item = self.TypeTree.AppendItem(category_item, blocktype["name"])
       
   442 
       
   443     def SetMinBlockSize(self, size):
       
   444         self.MinBlockSize = size
       
   445 
       
   446     def GetValues(self):
       
   447         values = {}
       
   448         values["type"] = self.TypeTree.GetItemText(self.TypeTree.GetSelection())
       
   449         if self.Name.GetValue() != "":
       
   450             values["name"] = self.Name.GetValue()
       
   451         values["width"], values["height"] = self.Block.GetSize()
       
   452         values["extension"] = self.Inputs.GetValue()
       
   453         return values
       
   454 
       
   455     def OnTypeTreeItemSelected(self, event):
       
   456         self.Name.SetValue("")
       
   457         selected = event.GetItem()
       
   458         if self.TypeTree.GetItemParent(selected) != self.TypeTree.GetRootItem():
       
   459             blocktype = GetBlockType(self.TypeTree.GetItemText(selected))
       
   460             if blocktype:
       
   461                 self.Inputs.SetValue(len(blocktype["inputs"]))
       
   462                 self.Inputs.Enable(blocktype["extensible"])
       
   463                 self.Name.Enable(blocktype["type"] != "function")
       
   464                 self.TypeDesc.SetValue(blocktype["comment"])
       
   465                 wxCallAfter(self.RefreshPreview)
       
   466             else:
       
   467                 self.Name.Enable(False)
       
   468                 self.Inputs.Enable(False)
       
   469                 self.Inputs.SetValue(2)
       
   470                 self.TypeDesc.SetValue("")
       
   471                 wxCallAfter(self.ErasePreview)
       
   472         else:
       
   473             self.Name.Enable(False)
       
   474             self.Inputs.Enable(False)
       
   475             self.Inputs.SetValue(2)
       
   476             self.TypeDesc.SetValue("")
       
   477             wxCallAfter(self.ErasePreview)
       
   478         event.Skip()
       
   479 
       
   480     def OnNameChanged(self, event):
       
   481         if self.Name.IsEnabled():
       
   482             self.RefreshPreview()
       
   483         event.Skip()
       
   484     
       
   485     def OnInputsChanged(self, event):
       
   486         if self.Inputs.IsEnabled():
       
   487             self.RefreshPreview()
       
   488         event.Skip()
       
   489     
       
   490     def ErasePreview(self):
       
   491         dc = wxClientDC(self.Preview)
       
   492         dc.Clear()
       
   493         self.Block = None
       
   494         
       
   495     def RefreshPreview(self):
       
   496         dc = wxClientDC(self.Preview)
       
   497         dc.Clear()
       
   498         blocktype = self.TypeTree.GetItemText(self.TypeTree.GetSelection())
       
   499         self.Block = FBD_Block(self.Preview, blocktype, self.Name.GetValue(), extension = self.Inputs.GetValue())
       
   500         width, height = self.MinBlockSize
       
   501         min_width, min_height = self.Block.GetMinSize()
       
   502         width, height = max(min_width, width), max(min_height, height)
       
   503         self.Block.SetSize(width, height)
       
   504         clientsize = self.Preview.GetClientSize()
       
   505         x = (clientsize.width - width) / 2
       
   506         y = (clientsize.height - height) / 2
       
   507         self.Block.SetPosition(x, y)
       
   508         self.Block.Draw(dc)
       
   509 
       
   510     def OnPaint(self, event):
       
   511         if self.Block:
       
   512             self.RefreshPreview()
       
   513         else:
       
   514             self.ErasePreview()
       
   515 
       
   516 
       
   517 #-------------------------------------------------------------------------------
       
   518 #                          Create New Variable Dialog
       
   519 #-------------------------------------------------------------------------------
       
   520 
       
   521 [wxID_VARIABLEPROPERTIESDIALOG, wxID_VARIABLEPROPERTIESDIALOGMAINPANEL, 
       
   522  wxID_VARIABLEPROPERTIESDIALOGNAME, wxID_VARIABLEPROPERTIESDIALOGCLASS, 
       
   523  wxID_VARIABLEPROPERTIESDIALOGPREVIEW, wxID_VARIABLEPROPERTIESDIALOGSTATICTEXT1,
       
   524  wxID_VARIABLEPROPERTIESDIALOGSTATICTEXT2, wxID_VARIABLEPROPERTIESDIALOGSTATICTEXT3, 
       
   525 ] = [wx.NewId() for _init_ctrls in range(8)]
       
   526 
       
   527 class VariablePropertiesDialog(wx.Dialog):
       
   528     def _init_coll_flexGridSizer1_Items(self, parent):
       
   529         # generated method, don't edit
       
   530 
       
   531         parent.AddWindow(self.MainPanel, 0, border=0, flag=0)
       
   532 
       
   533     def _init_sizers(self):
       
   534         # generated method, don't edit
       
   535         self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=0)
       
   536 
       
   537         self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
       
   538 
       
   539         self.SetSizer(self.flexGridSizer1)
       
   540 
       
   541     def _init_ctrls(self, prnt):
       
   542         # generated method, don't edit
       
   543         wx.Dialog.__init__(self, id=wxID_VARIABLEPROPERTIESDIALOG,
       
   544               name='VariablePropertiesDialog', parent=prnt, pos=wx.Point(376, 223),
       
   545               size=wx.Size(400, 320), style=wx.DEFAULT_DIALOG_STYLE,
       
   546               title='Variable Properties')
       
   547         self.SetClientSize(wx.Size(400, 320))
       
   548 
       
   549         self.MainPanel = wx.Panel(id=wxID_VARIABLEPROPERTIESDIALOGMAINPANEL,
       
   550               name='MainPanel', parent=self, pos=wx.Point(0, 0),
       
   551               size=wx.Size(400, 280), style=wx.TAB_TRAVERSAL)
       
   552         self.MainPanel.SetAutoLayout(True)
       
   553 
       
   554         self.staticText1 = wx.StaticText(id=wxID_VARIABLEPROPERTIESDIALOGSTATICTEXT1,
       
   555               label='Class:', name='staticText1', parent=self.MainPanel,
       
   556               pos=wx.Point(24, 24), size=wx.Size(70, 17), style=0)
       
   557 
       
   558         self.staticText2 = wx.StaticText(id=wxID_VARIABLEPROPERTIESDIALOGSTATICTEXT2,
       
   559               label='Name:', name='staticText2', parent=self.MainPanel,
       
   560               pos=wx.Point(204, 24), size=wx.Size(70, 17), style=0)
       
   561 
       
   562         self.staticText3 = wx.StaticText(id=wxID_VARIABLEPROPERTIESDIALOGSTATICTEXT3,
       
   563               label='Preview:', name='staticText3', parent=self.MainPanel,
       
   564               pos=wx.Point(24, 72), size=wx.Size(100, 17), style=0)
       
   565 
       
   566         self.Class = wx.Choice(id=wxID_VARIABLEPROPERTIESDIALOGCLASS,
       
   567               name='Class', parent=self.MainPanel, pos=wx.Point(24, 48),
       
   568               size=wx.Size(145, 24), style=0)
       
   569         EVT_CHOICE(self, wxID_VARIABLEPROPERTIESDIALOGCLASS, self.OnClassChanged)
       
   570         
       
   571         self.Name = wx.Choice(id=wxID_VARIABLEPROPERTIESDIALOGNAME,
       
   572               name='Name', parent=self.MainPanel, pos=wx.Point(204, 48),
       
   573               size=wx.Size(145, 24), style=0)
       
   574         EVT_CHOICE(self, wxID_VARIABLEPROPERTIESDIALOGNAME, self.OnNameChanged)
       
   575 
       
   576         self.Preview = wx.Panel(id=wxID_VARIABLEPROPERTIESDIALOGPREVIEW,
       
   577               name='Preview', parent=self.MainPanel, pos=wx.Point(24, 104),
       
   578               size=wx.Size(350, 150), style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER)
       
   579         self.Preview.SetBackgroundColour(wxColour(255,255,255))
       
   580 
       
   581         self._init_sizers()
       
   582 
       
   583     def __init__(self, parent):
       
   584         self._init_ctrls(parent)
       
   585         self.ButtonSizer = self.CreateButtonSizer(wxOK|wxCANCEL)
       
   586         self.flexGridSizer1.Add(self.ButtonSizer, 1, wxALIGN_RIGHT)
       
   587         self.Variable = None
       
   588         self.VarList = []
       
   589         self.MinVariableSize = None
       
   590         self.RefreshNameList()
       
   591         
       
   592         for choice in ["Input", "Output", "InOut"]:
       
   593             self.Class.Append(choice)
       
   594         self.Class.SetStringSelection("Input")
       
   595         
       
   596         EVT_PAINT(self, self.OnPaint)
       
   597 
       
   598     def RefreshNameList(self):
       
   599         selected = self.Name.GetStringSelection()
       
   600         self.Name.Clear()
       
   601         for name, var_type, value_type in self.VarList:
       
   602             if var_type in ["Local","Temp","Output","InOut"]:
       
   603                 self.Name.Append(name)
       
   604             elif var_type == "Input" and self.Class.GetStringSelection() == "Input":
       
   605                 self.Name.Append(name)
       
   606         if self.Name.FindString(selected) != wxNOT_FOUND:
       
   607             self.Name.SetStringSelection(selected)
       
   608         self.Name.Enable(self.Name.GetCount() > 0)
       
   609             
       
   610     def SetMinVariableSize(self, size):
       
   611         self.MinVariableSize = size
       
   612 
       
   613     def SetVariables(self, vars):
       
   614         self.VarList = vars
       
   615         self.RefreshNameList()
       
   616         
       
   617     def GetValues(self):
       
   618         values = {}
       
   619         classtype = self.Class.GetStringSelection()
       
   620         if classtype == "Input":
       
   621             values["type"] = INPUT
       
   622         elif classtype == "Output":
       
   623             values["type"] = OUTPUT
       
   624         elif classtype == "InOut":
       
   625             values["type"] = INOUT
       
   626         values["name"] = self.Name.GetStringSelection()
       
   627         values["value_type"] = ""
       
   628         for var_name, var_type, value_type in self.VarList:
       
   629             if var_name == values["name"]:
       
   630                 values["value_type"] = value_type
       
   631         values["width"], values["height"] = self.Variable.GetSize()
       
   632         return values
       
   633 
       
   634     def OnClassChanged(self, event):
       
   635         self.RefreshNameList()
       
   636         self.RefreshPreview()
       
   637         event.Skip()
       
   638 
       
   639     def OnNameChanged(self, event):
       
   640         self.RefreshPreview()
       
   641         event.Skip()
       
   642         
       
   643     def RefreshPreview(self):
       
   644         dc = wxClientDC(self.Preview)
       
   645         dc.Clear()
       
   646         name = self.Name.GetStringSelection()
       
   647         type = ""
       
   648         for var_name, var_type, value_type in self.VarList:
       
   649             if var_name == name:
       
   650                 type = value_type
       
   651         classtype = self.Class.GetStringSelection()
       
   652         if classtype == "Input":
       
   653             self.Variable = FBD_Variable(self.Preview, INPUT, name, type)
       
   654         elif classtype == "Output":
       
   655             self.Variable = FBD_Variable(self.Preview, OUTPUT, name, type)
       
   656         elif classtype == "InOut":
       
   657             self.Variable = FBD_Variable(self.Preview, INOUT, name, type)
       
   658         width, height = self.MinVariableSize
       
   659         min_width, min_height = self.Variable.GetMinSize()
       
   660         width, height = max(min_width, width), max(min_height, height)
       
   661         self.Variable.SetSize(width, height)
       
   662         clientsize = self.Preview.GetClientSize()
       
   663         x = (clientsize.width - width) / 2
       
   664         y = (clientsize.height - height) / 2
       
   665         self.Variable.SetPosition(x, y)
       
   666         self.Variable.Draw(dc)
       
   667 
       
   668     def OnPaint(self, event):
       
   669         self.RefreshPreview()
       
   670 
       
   671 #-------------------------------------------------------------------------------
       
   672 #                          Create New Connection Dialog
       
   673 #-------------------------------------------------------------------------------
       
   674 
       
   675 [wxID_CONNECTIONPROPERTIESDIALOG, wxID_CONNECTIONPROPERTIESDIALOGMAINPANEL, 
       
   676  wxID_CONNECTIONPROPERTIESDIALOGNAME, wxID_CONNECTIONPROPERTIESDIALOGRADIOBUTTON1, 
       
   677  wxID_CONNECTIONPROPERTIESDIALOGRADIOBUTTON2, wxID_CONNECTIONPROPERTIESDIALOGPREVIEW,
       
   678  wxID_CONNECTIONPROPERTIESDIALOGSTATICTEXT1, wxID_CONNECTIONPROPERTIESDIALOGSTATICTEXT2, 
       
   679  wxID_CONNECTIONPROPERTIESDIALOGSTATICTEXT3, 
       
   680 ] = [wx.NewId() for _init_ctrls in range(9)]
       
   681 
       
   682 class ConnectionPropertiesDialog(wx.Dialog):
       
   683     def _init_coll_flexGridSizer1_Items(self, parent):
       
   684         # generated method, don't edit
       
   685 
       
   686         parent.AddWindow(self.MainPanel, 0, border=0, flag=0)
       
   687 
       
   688     def _init_sizers(self):
       
   689         # generated method, don't edit
       
   690         self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=0)
       
   691 
       
   692         self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
       
   693 
       
   694         self.SetSizer(self.flexGridSizer1)
       
   695 
       
   696     def _init_ctrls(self, prnt):
       
   697         # generated method, don't edit
       
   698         wx.Dialog.__init__(self, id=wxID_CONNECTIONPROPERTIESDIALOG,
       
   699               name='ConnectionPropertiesDialog', parent=prnt, pos=wx.Point(376, 223),
       
   700               size=wx.Size(350, 220), style=wx.DEFAULT_DIALOG_STYLE,
       
   701               title='Connection Properties')
       
   702         self.SetClientSize(wx.Size(350, 220))
       
   703 
       
   704         self.MainPanel = wx.Panel(id=wxID_CONNECTIONPROPERTIESDIALOGMAINPANEL,
       
   705               name='MainPanel', parent=self, pos=wx.Point(0, 0),
       
   706               size=wx.Size(340, 360), style=wx.TAB_TRAVERSAL)
       
   707         self.MainPanel.SetAutoLayout(True)
       
   708 
       
   709         self.staticText1 = wx.StaticText(id=wxID_CONNECTIONPROPERTIESDIALOGSTATICTEXT1,
       
   710               label='Type:', name='staticText1', parent=self.MainPanel,
       
   711               pos=wx.Point(24, 24), size=wx.Size(70, 17), style=0)
       
   712 
       
   713         self.staticText2 = wx.StaticText(id=wxID_CONNECTIONPROPERTIESDIALOGSTATICTEXT2,
       
   714               label='Name:', name='staticText2', parent=self.MainPanel,
       
   715               pos=wx.Point(24, 104), size=wx.Size(70, 17), style=0)
       
   716 
       
   717         self.staticText3 = wx.StaticText(id=wxID_CONNECTIONPROPERTIESDIALOGSTATICTEXT3,
       
   718               label='Preview:', name='staticText3', parent=self.MainPanel,
       
   719               pos=wx.Point(174, 24), size=wx.Size(100, 17), style=0)
       
   720 
       
   721         self.radioButton1 = wx.RadioButton(id=wxID_CONNECTIONPROPERTIESDIALOGRADIOBUTTON1,
       
   722               label='Connector', name='radioButton1', parent=self.MainPanel,
       
   723               pos=wx.Point(24, 48), size=wx.Size(114, 24), style=0)
       
   724         EVT_RADIOBUTTON(self, wxID_CONNECTIONPROPERTIESDIALOGRADIOBUTTON1, self.OnTypeChanged)
       
   725         self.radioButton1.SetValue(True)
       
   726 
       
   727         self.radioButton2 = wx.RadioButton(id=wxID_CONNECTIONPROPERTIESDIALOGRADIOBUTTON2,
       
   728               label='Continuation', name='radioButton2', parent=self.MainPanel, 
       
   729               pos=wx.Point(24, 72), size=wx.Size(128, 24), style=0)
       
   730         EVT_RADIOBUTTON(self, wxID_CONNECTIONPROPERTIESDIALOGRADIOBUTTON2, self.OnTypeChanged)
       
   731         self.radioButton2.SetValue(False)
       
   732         
       
   733         self.Name = wx.TextCtrl(id=wxID_CONNECTIONPROPERTIESDIALOGNAME,
       
   734               name='Name', parent=self.MainPanel, pos=wx.Point(24, 130),
       
   735               size=wx.Size(145, 24), style=0)
       
   736         EVT_TEXT(self, wxID_CONNECTIONPROPERTIESDIALOGNAME, self.OnNameChanged)
       
   737 
       
   738         self.Preview = wx.Panel(id=wxID_CONNECTIONPROPERTIESDIALOGPREVIEW,
       
   739               name='Preview', parent=self.MainPanel, pos=wx.Point(174, 48),
       
   740               size=wx.Size(150, 100), style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER)
       
   741         self.Preview.SetBackgroundColour(wxColour(255,255,255))
       
   742 
       
   743         self._init_sizers()
       
   744 
       
   745     def __init__(self, parent):
       
   746         self._init_ctrls(parent)
       
   747         self.ButtonSizer = self.CreateButtonSizer(wxOK|wxCANCEL)
       
   748         self.flexGridSizer1.Add(self.ButtonSizer, 1, wxALIGN_RIGHT)
       
   749         self.Connection = None
       
   750         self.MinConnectionSize = None
       
   751         
       
   752         EVT_PAINT(self, self.OnPaint)
       
   753             
       
   754     def SetMinConnectionSize(self, size):
       
   755         self.MinConnectionSize = size
       
   756         
       
   757     def GetValues(self):
       
   758         values = {}
       
   759         if self.radioButton1.GetValue():
       
   760             values["type"] = CONNECTOR
       
   761         else:
       
   762             values["type"] = CONTINUATION
       
   763         values["name"] = self.Name.GetValue()
       
   764         values["width"], values["height"] = self.Connection.GetSize()
       
   765         return values
       
   766 
       
   767     def OnTypeChanged(self, event):
       
   768         self.RefreshPreview()
       
   769         event.Skip()
       
   770 
       
   771     def OnNameChanged(self, event):
       
   772         self.RefreshPreview()
       
   773         event.Skip()
       
   774         
       
   775     def RefreshPreview(self):
       
   776         dc = wxClientDC(self.Preview)
       
   777         dc.Clear()
       
   778         if self.radioButton1.GetValue():
       
   779             self.Connection = FBD_Connector(self.Preview, CONNECTOR, self.Name.GetValue())
       
   780         else:
       
   781             self.Connection = FBD_Connector(self.Preview, CONTINUATION, self.Name.GetValue())
       
   782         width, height = self.MinConnectionSize
       
   783         min_width, min_height = self.Connection.GetMinSize()
       
   784         width, height = max(min_width, width), max(min_height, height)
       
   785         self.Connection.SetSize(width, height)
       
   786         clientsize = self.Preview.GetClientSize()
       
   787         x = (clientsize.width - width) / 2
       
   788         y = (clientsize.height - height) / 2
       
   789         self.Connection.SetPosition(x, y)
       
   790         self.Connection.Draw(dc)
       
   791 
       
   792     def OnPaint(self, event):
       
   793         self.RefreshPreview()