dialogs/FBDBlockDialog.py
changeset 409 34c9f624c2fe
child 534 d506a353b3d3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dialogs/FBDBlockDialog.py	Wed Sep 16 12:00:58 2009 +0200
@@ -0,0 +1,410 @@
+#!/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. 
+#
+#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
+#
+#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 graphics import *
+
+#-------------------------------------------------------------------------------
+#                          Create New Block Dialog
+#-------------------------------------------------------------------------------
+
+[ID_FBDBLOCKDIALOG, ID_FBDBLOCKDIALOGNAME, 
+ ID_FBDBLOCKDIALOGTYPETREE, ID_FBDBLOCKDIALOGTYPEDESC, 
+ ID_FBDBLOCKDIALOGINPUTS, ID_FBDBLOCKDIALOGPREVIEW, 
+ ID_FBDBLOCKDIALOGEXECUTIONORDER, ID_FBDBLOCKDIALOGEXECUTIONCONTROL, 
+ ID_FBDBLOCKDIALOGSTATICTEXT1, ID_FBDBLOCKDIALOGSTATICTEXT2, 
+ ID_FBDBLOCKDIALOGSTATICTEXT3, ID_FBDBLOCKDIALOGSTATICTEXT4, 
+ ID_FBDBLOCKDIALOGSTATICTEXT5, ID_FBDBLOCKDIALOGSTATICTEXT6, 
+] = [wx.NewId() for _init_ctrls in range(14)]
+
+[CATEGORY, BLOCK] = range(2)
+
+class FBDBlockDialog(wx.Dialog):
+    
+    if wx.VERSION < (2, 6, 0):
+        def Bind(self, event, function, id = None):
+            if id is not None:
+                event(self, id, function)
+            else:
+                event(self, function)
+    
+    def _init_coll_flexGridSizer1_Items(self, parent):
+        parent.AddSizer(self.MainSizer, 0, border=20, flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
+        parent.AddSizer(self.ButtonSizer, 0, border=20, flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
+
+    def _init_coll_flexGridSizer1_Growables(self, parent):
+        parent.AddGrowableCol(0)
+        parent.AddGrowableRow(0)
+
+    def _init_coll_MainSizer_Items(self, parent):
+        parent.AddSizer(self.LeftBoxSizer, 1, border=5, flag=wx.GROW|wx.RIGHT)
+        parent.AddSizer(self.RightGridSizer, 1, border=5, flag=wx.GROW|wx.LEFT)
+
+    def _init_coll_LeftBoxSizer_Items(self, parent):
+        parent.AddWindow(self.TypeTree, 3, border=5, flag=wx.GROW|wx.BOTTOM)
+        parent.AddWindow(self.TypeDesc, 1, border=0, flag=wx.GROW)
+
+    def _init_coll_RightGridSizer_Items(self, parent):
+        parent.AddSizer(self.RightUpGridSizer, 0, border=0, flag=wx.GROW)
+        parent.AddWindow(self.staticText6, 0, border=0, flag=wx.GROW)
+        parent.AddWindow(self.Preview, 0, border=0, flag=wx.GROW)
+
+    def _init_coll_RightGridSizer_Growables(self, parent):
+        parent.AddGrowableCol(0)
+        parent.AddGrowableRow(2)
+
+    def _init_coll_RightUpGridSizer_Items(self, parent):
+        parent.AddWindow(self.staticText2, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
+        parent.AddWindow(self.BlockName, 0, border=0, flag=wx.GROW)
+        parent.AddWindow(self.staticText3, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
+        parent.AddWindow(self.Inputs, 0, border=0, flag=wx.GROW)
+        parent.AddWindow(self.staticText4, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
+        parent.AddWindow(self.ExecutionOrder, 0, border=0, flag=wx.GROW)
+        parent.AddWindow(self.staticText5, 0, border=4, flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
+        parent.AddWindow(self.ExecutionControl, 0, border=0, flag=wx.GROW)
+    
+    def _init_coll_RightUpGridSizer_Growables(self, parent):
+        parent.AddGrowableCol(1)
+    
+    def _init_sizers(self):
+        self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
+        self.MainSizer = wx.BoxSizer(wx.HORIZONTAL)
+        self.LeftBoxSizer = wx.StaticBoxSizer(self.staticbox1, wx.VERTICAL)
+        self.RightGridSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=5)
+        self.RightUpGridSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=4, vgap=5)
+        
+        self._init_coll_flexGridSizer1_Items(self.flexGridSizer1)
+        self._init_coll_flexGridSizer1_Growables(self.flexGridSizer1)
+        self._init_coll_MainSizer_Items(self.MainSizer)
+        self._init_coll_LeftBoxSizer_Items(self.LeftBoxSizer)
+        self._init_coll_RightGridSizer_Items(self.RightGridSizer)
+        self._init_coll_RightGridSizer_Growables(self.RightGridSizer)
+        self._init_coll_RightUpGridSizer_Items(self.RightUpGridSizer)
+        self._init_coll_RightUpGridSizer_Growables(self.RightUpGridSizer)
+        
+        self.SetSizer(self.flexGridSizer1)
+
+    def _init_ctrls(self, prnt):
+        wx.Dialog.__init__(self, id=ID_FBDBLOCKDIALOG,
+              name='FBDBlockDialog', parent=prnt, pos=wx.Point(376, 223),
+              size=wx.Size(600, 400), style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER,
+              title=_('Block Properties'))
+        self.SetClientSize(wx.Size(600, 400))
+
+        self.staticbox1 = wx.StaticBox(id=ID_FBDBLOCKDIALOGSTATICTEXT1,
+              label=_('Type:'), name='staticBox1', parent=self,
+              pos=wx.Point(0, 0), size=wx.Size(0, 0), style=0)
+
+        self.staticText2 = wx.StaticText(id=ID_FBDBLOCKDIALOGSTATICTEXT2,
+              label=_('Name:'), name='staticText2', parent=self,
+              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
+
+        self.staticText3 = wx.StaticText(id=ID_FBDBLOCKDIALOGSTATICTEXT2,
+              label=_('Inputs:'), name='staticText4', parent=self,
+              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
+
+        self.staticText4 = wx.StaticText(id=ID_FBDBLOCKDIALOGSTATICTEXT4,
+              label=_('Execution Order:'), name='staticText4', parent=self,
+              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
+
+        self.staticText5 = wx.StaticText(id=ID_FBDBLOCKDIALOGSTATICTEXT5,
+              label=_('Execution Control:'), name='staticText5', parent=self,
+              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
+
+        self.staticText6 = wx.StaticText(id=ID_FBDBLOCKDIALOGSTATICTEXT6,
+              label=_('Preview:'), name='staticText6', parent=self,
+              pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
+
+        if wx.Platform == '__WXMSW__':
+            treestyle = wx.TR_HAS_BUTTONS|wx.TR_SINGLE|wx.SUNKEN_BORDER
+        else:
+            treestyle = wx.TR_HAS_BUTTONS|wx.TR_HIDE_ROOT|wx.TR_SINGLE|wx.SUNKEN_BORDER
+        self.TypeTree = wx.TreeCtrl(id=ID_FBDBLOCKDIALOGTYPETREE,
+              name='TypeTree', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(0, 0), style=treestyle)
+        self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnTypeTreeItemSelected,
+              id=ID_FBDBLOCKDIALOGTYPETREE)
+
+        self.TypeDesc = wx.TextCtrl(id=ID_FBDBLOCKDIALOGTYPEDESC,
+              name='TypeDesc', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(0, 0), style=wx.TE_READONLY|wx.TE_MULTILINE)
+
+        self.BlockName = wx.TextCtrl(id=ID_FBDBLOCKDIALOGNAME, value='',
+              name='BlockName', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(0, 24), style=0)
+        self.Bind(wx.EVT_TEXT, self.OnNameChanged, id=ID_FBDBLOCKDIALOGNAME)
+
+        self.Inputs = wx.SpinCtrl(id=ID_FBDBLOCKDIALOGINPUTS,
+              name='Inputs', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(0, 24), style=wx.SP_ARROW_KEYS, min=2, max=20)
+        self.Bind(wx.EVT_SPINCTRL, self.OnInputsChanged, id=ID_FBDBLOCKDIALOGINPUTS)
+
+        self.ExecutionOrder = wx.SpinCtrl(id=ID_FBDBLOCKDIALOGEXECUTIONORDER,
+              name='ExecutionOrder', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(0, 24), style=wx.SP_ARROW_KEYS, min=0)
+        self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged, id=ID_FBDBLOCKDIALOGEXECUTIONORDER)
+
+        self.ExecutionControl = wx.CheckBox(id=ID_FBDBLOCKDIALOGEXECUTIONCONTROL,
+              name='ExecutionControl', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(0, 24), style=0)
+        self.Bind(wx.EVT_CHECKBOX, self.OnExecutionOrderChanged, id=ID_FBDBLOCKDIALOGEXECUTIONCONTROL)
+
+        self.Preview = wx.Panel(id=ID_FBDBLOCKDIALOGPREVIEW,
+              name='Preview', parent=self, pos=wx.Point(0, 0),
+              size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER)
+        self.Preview.SetBackgroundColour(wx.Colour(255,255,255))
+        setattr(self.Preview, "GetDrawingMode", lambda:FREEDRAWING_MODE)
+        setattr(self.Preview, "GetScaling", lambda:None)
+        setattr(self.Preview, "GetBlockType", self.Controler.GetBlockType)
+        setattr(self.Preview, "IsOfType", self.Controler.IsOfType)
+
+        self.ButtonSizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
+        if wx.VERSION >= (2, 5, 0):
+            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetAffirmativeButton().GetId())
+            self.Preview.Bind(wx.EVT_PAINT, self.OnPaint)
+        else:
+            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())
+            wx.EVT_PAINT(self.Preview, self.OnPaint)
+        
+        self._init_sizers()
+
+    def __init__(self, parent, controler):
+        self.Controler = controler
+        self._init_ctrls(parent)
+        self.BlockName.SetValue("")
+        self.BlockName.Enable(False)
+        self.Inputs.Enable(False)
+        self.Block = None
+        self.MinBlockSize = None
+        self.First = True
+        
+        self.PouNames = []
+        self.PouElementNames = []
+    
+    def SetPreviewFont(self, font):
+        self.Preview.SetFont(font)
+    
+    def FindTreeItem(self, root, name, inputs = None):
+        if root.IsOk():
+            pydata = self.TypeTree.GetPyData(root)
+            type_inputs = pydata.get("inputs", None)
+            type_extension = pydata.get("extension", None)
+            if inputs is not None and type_inputs is not None:
+                if type_extension is not None:
+                    same_inputs = type_inputs == inputs[:type_extension]
+                else:
+                    same_inputs = type_inputs == inputs
+            else:
+                same_inputs = True
+            if self.TypeTree.GetItemText(root) == name and same_inputs:
+                return root
+            else:
+                if wx.VERSION < (2, 6, 0):
+                    item, root_cookie = self.TypeTree.GetFirstChild(root, 0)
+                else:
+                    item, root_cookie = self.TypeTree.GetFirstChild(root)
+                while item.IsOk():
+                    result = self.FindTreeItem(item, name, inputs)
+                    if result:
+                        return result
+                    item, root_cookie = self.TypeTree.GetNextChild(root, root_cookie)
+        return None
+    
+    def OnOK(self, event):
+        selected = self.TypeTree.GetSelection()
+        block_name = self.BlockName.GetValue()
+        name_enabled = self.BlockName.IsEnabled()
+        if not selected.IsOk() or self.TypeTree.GetItemParent(selected) == self.TypeTree.GetRootItem() or selected == self.TypeTree.GetRootItem():
+            message = wx.MessageDialog(self, _("Form isn't complete. Valid block type must be selected!"), _("Error"), wx.OK|wx.ICON_ERROR)
+            message.ShowModal()
+            message.Destroy()
+        elif name_enabled and block_name == "":
+            message = wx.MessageDialog(self, _("Form isn't complete. Name must be filled!"), _("Error"), wx.OK|wx.ICON_ERROR)
+            message.ShowModal()
+            message.Destroy()
+        elif name_enabled and not TestIdentifier(block_name):
+            message = wx.MessageDialog(self, _("\"%s\" is not a valid identifier!")%block_name, _("Error"), wx.OK|wx.ICON_ERROR)
+            message.ShowModal()
+            message.Destroy()
+        elif name_enabled and block_name.upper() in IEC_KEYWORDS:
+            message = wx.MessageDialog(self, _("\"%s\" is a keyword. It can't be used!")%block_name, _("Error"), wx.OK|wx.ICON_ERROR)
+            message.ShowModal()
+            message.Destroy()
+        elif name_enabled and block_name.upper() in self.PouNames:
+            message = wx.MessageDialog(self, _("\"%s\" pou already exists!")%block_name, _("Error"), wx.OK|wx.ICON_ERROR)
+            message.ShowModal()
+            message.Destroy()
+        elif name_enabled and block_name.upper() in self.PouElementNames:
+            message = wx.MessageDialog(self, _("\"%s\" element for this pou already exists!")%block_name, _("Error"), wx.OK|wx.ICON_ERROR)
+            message.ShowModal()
+            message.Destroy()
+        else:
+            self.EndModal(wx.ID_OK)
+
+    def SetBlockList(self, blocktypes):
+        if wx.Platform == '__WXMSW__':
+            root = self.TypeTree.AddRoot(_("Block Types"))
+        else:
+            root = self.TypeTree.AddRoot("")
+        self.TypeTree.SetPyData(root, {"type" : CATEGORY})
+        for category in blocktypes:
+            category_name = category["name"]
+            category_item = self.TypeTree.AppendItem(root, _(category_name))
+            self.TypeTree.SetPyData(category_item, {"type" : CATEGORY})
+            for blocktype in category["list"]:
+                blocktype_item = self.TypeTree.AppendItem(category_item, blocktype["name"])
+                block_data = {"type" : BLOCK, 
+                              "inputs" : tuple([type for name, type, modifier in blocktype["inputs"]]),
+                              "extension" : None}
+                if blocktype["extensible"]:
+                    block_data["extension"] = len(blocktype["inputs"])
+                self.TypeTree.SetPyData(blocktype_item, block_data)
+        if wx.Platform == '__WXMSW__':
+            self.TypeTree.Expand(root)
+
+    def SetMinBlockSize(self, size):
+        self.MinBlockSize = size
+
+    def SetPouNames(self, pou_names):
+        self.PouNames = [pou_name.upper() for pou_name in pou_names]
+        
+    def SetPouElementNames(self, element_names):
+        self.PouElementNames = [element_name.upper() for element_name in element_names]
+        
+    def SetValues(self, values):
+        blocktype = values.get("type", None)
+        if blocktype is not None:
+            inputs = values.get("inputs", None)
+            item = self.FindTreeItem(self.TypeTree.GetRootItem(), blocktype, inputs)
+            if item:
+                self.TypeTree.SelectItem(item)
+        for name, value in values.items():
+            if name == "name":
+                self.BlockName.SetValue(value)
+            elif name == "extension":
+                self.Inputs.SetValue(value)
+            elif name == "executionOrder":
+                self.ExecutionOrder.SetValue(value)
+            elif name == "executionControl":
+                   self.ExecutionControl.SetValue(value)
+        self.RefreshPreview()
+
+    def GetValues(self):
+        values = {}
+        item = self.TypeTree.GetSelection()
+        values["type"] = self.TypeTree.GetItemText(item)
+        values["inputs"] = self.TypeTree.GetPyData(item)["inputs"]
+        if self.BlockName.GetValue() != "":
+            values["name"] = self.BlockName.GetValue()
+        values["width"], values["height"] = self.Block.GetSize()
+        values["extension"] = self.Inputs.GetValue()
+        values["executionOrder"] = self.ExecutionOrder.GetValue()
+        values["executionControl"] = self.ExecutionControl.GetValue()
+        return values
+
+    def OnTypeTreeItemSelected(self, event):
+        self.BlockName.SetValue("")
+        selected = event.GetItem()
+        pydata = self.TypeTree.GetPyData(selected)
+        if pydata["type"] != CATEGORY:
+            blocktype = self.Controler.GetBlockType(self.TypeTree.GetItemText(selected), pydata["inputs"])
+            if blocktype:
+                self.Inputs.SetValue(len(blocktype["inputs"]))
+                self.Inputs.Enable(blocktype["extensible"])
+                self.BlockName.Enable(blocktype["type"] != "function")
+                comment = blocktype["comment"]
+                self.TypeDesc.SetValue(_(comment) + blocktype.get("usage", ""))
+                wx.CallAfter(self.RefreshPreview)
+            else:
+                self.BlockName.Enable(False)
+                self.Inputs.Enable(False)
+                self.Inputs.SetValue(2)
+                self.TypeDesc.SetValue("")
+                wx.CallAfter(self.ErasePreview)
+        else:
+            self.BlockName.Enable(False)
+            self.Inputs.Enable(False)
+            self.Inputs.SetValue(2)
+            self.TypeDesc.SetValue("")
+            wx.CallAfter(self.ErasePreview)
+        event.Skip()
+
+    def OnNameChanged(self, event):
+        if self.BlockName.IsEnabled():
+            self.RefreshPreview()
+        event.Skip()
+    
+    def OnInputsChanged(self, event):
+        if self.Inputs.IsEnabled():
+            self.RefreshPreview()
+        event.Skip()
+    
+    def OnExecutionOrderChanged(self, event):
+        self.RefreshPreview()
+        event.Skip()
+    
+    def OnExecutionControlChanged(self, event):
+        self.RefreshPreview()
+        event.Skip()
+    
+    def ErasePreview(self):
+        dc = wx.ClientDC(self.Preview)
+        dc.Clear()
+        self.Block = None
+        
+    def RefreshPreview(self):
+        dc = wx.ClientDC(self.Preview)
+        dc.SetFont(self.Preview.GetFont())
+        dc.Clear()
+        item = self.TypeTree.GetSelection()
+        if item.IsOk():
+            pydata = self.TypeTree.GetPyData(item)
+            if pydata["type"] == CATEGORY:
+                self.Block = None
+            else:
+                blocktype = self.TypeTree.GetItemText(item)
+                if blocktype:
+                    self.Block = FBD_Block(self.Preview, blocktype, 
+                            self.BlockName.GetValue(), 
+                            extension = self.Inputs.GetValue(), 
+                            inputs = pydata["inputs"], 
+                            executionControl = self.ExecutionControl.GetValue(), 
+                            executionOrder = self.ExecutionOrder.GetValue())
+                    width, height = self.MinBlockSize
+                    min_width, min_height = self.Block.GetMinSize()
+                    width, height = max(min_width, width), max(min_height, height)
+                    self.Block.SetSize(width, height)
+                    clientsize = self.Preview.GetClientSize()
+                    x = (clientsize.width - width) / 2
+                    y = (clientsize.height - height) / 2
+                    self.Block.SetPosition(x, y)
+                    self.Block.Draw(dc)
+                else:
+                    self.Block = None
+
+    def OnPaint(self, event):
+        if self.Block is not None:
+            self.RefreshPreview()
+        event.Skip()