Fixing bug that calls text styling in a loop while some highlighting is defined
#!/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,
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 = []
self.TypeTree.SetFocus()
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()