#!/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
import wx.stc
from types import *
import re
from graphics.GraphicCommons import ERROR_HIGHLIGHT, SEARCH_RESULT_HIGHLIGHT, REFRESH_HIGHLIGHT_PERIOD
from plcopen.structures import ST_BLOCK_START_KEYWORDS, ST_BLOCK_END_KEYWORDS, IEC_BLOCK_START_KEYWORDS, IEC_BLOCK_END_KEYWORDS
from controls import EditorPanel
#-------------------------------------------------------------------------------
# Textual programs Viewer class
#-------------------------------------------------------------------------------
NEWLINE = "\n"
NUMBERS = [str(i) for i in xrange(10)]
LETTERS = ['_']
for i in xrange(26):
LETTERS.append(chr(ord('a') + i))
LETTERS.append(chr(ord('A') + i))
[STC_PLC_WORD, STC_PLC_COMMENT, STC_PLC_NUMBER, STC_PLC_STRING,
STC_PLC_VARIABLE, STC_PLC_PARAMETER, STC_PLC_FUNCTION, STC_PLC_JUMP,
STC_PLC_ERROR, STC_PLC_SEARCH_RESULT] = range(10)
[SPACE, WORD, NUMBER, STRING, WSTRING, COMMENT, PRAGMA] = range(7)
[ID_TEXTVIEWER, ID_TEXTVIEWERTEXTCTRL,
] = [wx.NewId() for _init_ctrls in range(2)]
if wx.Platform == '__WXMSW__':
faces = { 'times': 'Times New Roman',
'mono' : 'Courier New',
'helv' : 'Arial',
'other': 'Comic Sans MS',
'size' : 10,
}
else:
faces = { 'times': 'Times',
'mono' : 'Courier',
'helv' : 'Helvetica',
'other': 'new century schoolbook',
'size' : 12,
}
re_texts = {}
re_texts["letter"] = "[A-Za-z]"
re_texts["digit"] = "[0-9]"
re_texts["identifier"] = "((?:%(letter)s|(?:_(?:%(letter)s|%(digit)s)))(?:_?(?:%(letter)s|%(digit)s))*)"%re_texts
IDENTIFIER_MODEL = re.compile(re_texts["identifier"])
LABEL_MODEL = re.compile("[ \t\n]%(identifier)s:[ \t\n]"%re_texts)
EXTENSIBLE_PARAMETER = re.compile("IN[1-9][0-9]*$")
HIGHLIGHT_TYPES = {
ERROR_HIGHLIGHT: STC_PLC_ERROR,
SEARCH_RESULT_HIGHLIGHT: STC_PLC_SEARCH_RESULT,
}
def GetCursorPos(old, new):
old_length = len(old)
new_length = len(new)
common_length = min(old_length, new_length)
i = 0
for i in xrange(common_length):
if old[i] != new[i]:
break
if old_length < new_length:
if common_length > 0 and old[i] != new[i]:
return i + new_length - old_length
else:
return i + new_length - old_length + 1
elif old_length > new_length or i < min(old_length, new_length) - 1:
if common_length > 0 and old[i] != new[i]:
return i
else:
return i + 1
else:
return None
def LineStartswith(line, symbols):
return reduce(lambda x, y: x or y, map(lambda x: line.startswith(x), symbols), False)
class TextViewer(EditorPanel):
ID = ID_TEXTVIEWER
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_Editor(self, prnt):
self.Editor = wx.stc.StyledTextCtrl(id=ID_TEXTVIEWERTEXTCTRL,
parent=prnt, name="TextViewer", size=wx.Size(0, 0), style=0)
self.Editor.ParentWindow = self
self.Editor.CmdKeyAssign(ord('+'), wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_ZOOMIN)
self.Editor.CmdKeyAssign(ord('-'), wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_ZOOMOUT)
self.Editor.SetViewWhiteSpace(False)
self.Editor.SetLexer(wx.stc.STC_LEX_CONTAINER)
# Global default styles for all languages
self.Editor.StyleSetSpec(wx.stc.STC_STYLE_DEFAULT, "face:%(mono)s,size:%(size)d" % faces)
self.Editor.StyleClearAll() # Reset all to be like the default
self.Editor.StyleSetSpec(wx.stc.STC_STYLE_LINENUMBER, "back:#C0C0C0,size:%(size)d" % faces)
self.Editor.SetSelBackground(1, "#E0E0E0")
# Highlighting styles
self.Editor.StyleSetSpec(STC_PLC_WORD, "fore:#00007F,bold,size:%(size)d" % faces)
self.Editor.StyleSetSpec(STC_PLC_VARIABLE, "fore:#7F0000,size:%(size)d" % faces)
self.Editor.StyleSetSpec(STC_PLC_PARAMETER, "fore:#7F007F,size:%(size)d" % faces)
self.Editor.StyleSetSpec(STC_PLC_FUNCTION, "fore:#7F7F00,size:%(size)d" % faces)
self.Editor.StyleSetSpec(STC_PLC_COMMENT, "fore:#7F7F7F,size:%(size)d" % faces)
self.Editor.StyleSetSpec(STC_PLC_NUMBER, "fore:#007F7F,size:%(size)d" % faces)
self.Editor.StyleSetSpec(STC_PLC_STRING, "fore:#007F00,size:%(size)d" % faces)
self.Editor.StyleSetSpec(STC_PLC_JUMP, "fore:#FF7FFF,size:%(size)d" % faces)
self.Editor.StyleSetSpec(STC_PLC_ERROR, "fore:#FF0000,back:#FFFF00,size:%(size)d" % faces)
self.Editor.StyleSetSpec(STC_PLC_SEARCH_RESULT, "fore:#FFFFFF,back:#FFA500,size:%(size)d" % faces)
# Indicators styles
self.Editor.IndicatorSetStyle(0, wx.stc.STC_INDIC_SQUIGGLE)
if self.ParentWindow is not None and self.Controler is not None:
self.Editor.IndicatorSetForeground(0, wx.RED)
else:
self.Editor.IndicatorSetForeground(0, wx.WHITE)
# Line numbers in the margin
self.Editor.SetMarginType(1, wx.stc.STC_MARGIN_NUMBER)
self.Editor.SetMarginWidth(1, 50)
# Folding
self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDEROPEN, wx.stc.STC_MARK_BOXMINUS, "white", "#808080")
self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDER, wx.stc.STC_MARK_BOXPLUS, "white", "#808080")
self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDERSUB, wx.stc.STC_MARK_VLINE, "white", "#808080")
self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDERTAIL, wx.stc.STC_MARK_LCORNER, "white", "#808080")
self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDEREND, wx.stc.STC_MARK_BOXPLUSCONNECTED, "white", "#808080")
self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDEROPENMID, wx.stc.STC_MARK_BOXMINUSCONNECTED, "white", "#808080")
self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDERMIDTAIL, wx.stc.STC_MARK_TCORNER, "white", "#808080")
# Indentation size
self.Editor.SetTabWidth(2)
self.Editor.SetUseTabs(0)
self.Editor.SetModEventMask(wx.stc.STC_MOD_BEFOREINSERT|
wx.stc.STC_MOD_BEFOREDELETE|
wx.stc.STC_PERFORMED_USER)
self.Bind(wx.stc.EVT_STC_STYLENEEDED, self.OnStyleNeeded, id=ID_TEXTVIEWERTEXTCTRL)
self.Editor.Bind(wx.stc.EVT_STC_MARGINCLICK, self.OnMarginClick)
self.Editor.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown)
if self.Controler is not None:
self.Editor.Bind(wx.EVT_KILL_FOCUS, self.OnKillFocus)
self.Bind(wx.stc.EVT_STC_DO_DROP, self.OnDoDrop, id=ID_TEXTVIEWERTEXTCTRL)
self.Bind(wx.stc.EVT_STC_MODIFIED, self.OnModification, id=ID_TEXTVIEWERTEXTCTRL)
def __init__(self, parent, tagname, window, controler, debug = False, instancepath = ""):
if tagname != "" and controler is not None:
self.VARIABLE_PANEL_TYPE = controler.GetPouType(tagname.split("::")[1])
EditorPanel.__init__(self, parent, tagname, window, controler, debug)
self.Keywords = []
self.Variables = {}
self.Functions = {}
self.TypeNames = []
self.Jumps = []
self.EnumeratedValues = []
self.DisableEvents = True
self.TextSyntax = None
self.CurrentAction = None
self.Highlights = []
self.SearchParams = None
self.SearchResults = None
self.CurrentFindHighlight = None
self.InstancePath = instancepath
self.ContextStack = []
self.CallStack = []
self.RefreshHighlightsTimer = wx.Timer(self, -1)
self.Bind(wx.EVT_TIMER, self.OnRefreshHighlightsTimer, self.RefreshHighlightsTimer)
def __del__(self):
self.RefreshHighlightsTimer.Stop()
def GetTitle(self):
if self.Debug or self.TagName == "":
if len(self.InstancePath) > 15:
return "..." + self.InstancePath[-12:]
return self.InstancePath
return EditorPanel.GetTitle(self)
def GetInstancePath(self):
return self.InstancePath
def IsViewing(self, tagname):
if self.Debug or self.TagName == "":
return self.InstancePath == tagname
else:
return self.TagName == tagname
def GetText(self):
return self.Editor.GetText()
def SetText(self, text):
self.Editor.SetText(text)
def SelectAll(self):
self.Editor.SelectAll()
def Colourise(self, start, end):
self.Editor.Colourise(start, end)
def StartStyling(self, pos, mask):
self.Editor.StartStyling(pos, mask)
def SetStyling(self, length, style):
self.Editor.SetStyling(length, style)
def GetCurrentPos(self):
return self.Editor.GetCurrentPos()
def GetState(self):
return {"cursor_pos": self.Editor.GetCurrentPos()}
def SetState(self, state):
if self and state.has_key("cursor_pos"):
self.Editor.GotoPos(state.get("cursor_pos", 0))
def OnModification(self, event):
if not self.DisableEvents:
mod_type = event.GetModificationType()
if mod_type&wx.stc.STC_MOD_BEFOREINSERT:
if self.CurrentAction == None:
self.StartBuffering()
elif self.CurrentAction[0] != "Add" or self.CurrentAction[1] != event.GetPosition() - 1:
self.Controler.EndBuffering()
self.StartBuffering()
self.CurrentAction = ("Add", event.GetPosition())
wx.CallAfter(self.RefreshModel)
elif mod_type&wx.stc.STC_MOD_BEFOREDELETE:
if self.CurrentAction == None:
self.StartBuffering()
elif self.CurrentAction[0] != "Delete" or self.CurrentAction[1] != event.GetPosition() + 1:
self.Controler.EndBuffering()
self.StartBuffering()
self.CurrentAction = ("Delete", event.GetPosition())
wx.CallAfter(self.RefreshModel)
event.Skip()
def OnDoDrop(self, event):
try:
values = eval(event.GetDragText())
except:
values = event.GetDragText()
if isinstance(values, tuple):
message = None
if values[1] in ["program", "debug"]:
event.SetDragText("")
elif values[1] in ["functionBlock", "function"]:
blocktype = values[0]
blockname = values[2]
if len(values) > 3:
blockinputs = values[3]
else:
blockinputs = None
if values[1] != "function":
if blockname == "":
dialog = wx.TextEntryDialog(self.ParentWindow, "Block name", "Please enter a block name", "", wx.OK|wx.CANCEL|wx.CENTRE)
if dialog.ShowModal() == wx.ID_OK:
blockname = dialog.GetValue()
else:
return
dialog.Destroy()
if blockname.upper() in [name.upper() for name in self.Controler.GetProjectPouNames(self.Debug)]:
message = _("\"%s\" pou already exists!")%blockname
elif blockname.upper() in [name.upper() for name in self.Controler.GetEditedElementVariables(self.TagName, self.Debug)]:
message = _("\"%s\" element for this pou already exists!")%blockname
else:
self.Controler.AddEditedElementPouVar(self.TagName, values[0], blockname)
self.RefreshVariablePanel()
self.RefreshVariableTree()
blockinfo = self.Controler.GetBlockType(blocktype, blockinputs, self.Debug)
hint = ',\n '.join(
[ " " + fctdecl[0]+" := (*"+fctdecl[1]+"*)" for fctdecl in blockinfo["inputs"]] +
[ " " + fctdecl[0]+" => (*"+fctdecl[1]+"*)" for fctdecl in blockinfo["outputs"]])
if values[1] == "function":
event.SetDragText(blocktype+"(\n "+hint+")")
else:
event.SetDragText(blockname+"(\n "+hint+")")
elif values[1] == "location":
pou_name, pou_type = self.Controler.GetEditedElementType(self.TagName, self.Debug)
if len(values) > 2 and pou_type == "program":
var_name = values[3]
if var_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames(self.Debug)]:
message = _("\"%s\" pou already exists!")%var_name
elif var_name.upper() in [name.upper() for name in self.Controler.GetEditedElementVariables(self.TagName, self.Debug)]:
message = _("\"%s\" element for this pou already exists!")%var_name
else:
if values[2] is not None:
var_type = values[2]
else:
var_type = LOCATIONDATATYPES.get(values[0][2], ["BOOL"])[0]
self.Controler.AddEditedElementPouVar(self.TagName, var_type, var_name, values[0], values[4])
self.RefreshVariablePanel()
self.RefreshVariableTree()
event.SetDragText(var_name)
else:
event.SetDragText("")
elif values[1] == "Global":
var_name = values[0]
if var_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames(self.Debug)]:
message = _("\"%s\" pou already exists!")%var_name
else:
if not var_name.upper() in [name.upper() for name in self.Controler.GetEditedElementVariables(self.TagName, self.Debug)]:
self.Controler.AddEditedElementPouExternalVar(self.TagName, values[2], var_name)
self.RefreshVariablePanel()
self.RefreshVariableTree()
event.SetDragText(var_name)
elif values[1] == "Constant":
event.SetDragText(values[0])
elif values[3] == self.TagName:
self.ResetBuffer()
event.SetDragText(values[0])
wx.CallAfter(self.RefreshModel)
else:
message = _("Variable don't belong to this POU!")
if message is not None:
dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
dialog.ShowModal()
dialog.Destroy()
event.SetDragText("")
event.Skip()
def SetTextSyntax(self, syntax):
self.TextSyntax = syntax
if syntax in ["ST", "ALL"]:
self.Editor.SetMarginType(2, wx.stc.STC_MARGIN_SYMBOL)
self.Editor.SetMarginMask(2, wx.stc.STC_MASK_FOLDERS)
self.Editor.SetMarginSensitive(2, 1)
self.Editor.SetMarginWidth(2, 12)
if syntax == "ST":
self.BlockStartKeywords = ST_BLOCK_START_KEYWORDS
self.BlockEndKeywords = ST_BLOCK_START_KEYWORDS
else:
self.BlockStartKeywords = IEC_BLOCK_START_KEYWORDS
self.BlockEndKeywords = IEC_BLOCK_START_KEYWORDS
else:
self.BlockStartKeywords = []
self.BlockEndKeywords = []
def SetKeywords(self, keywords):
self.Keywords = [keyword.upper() for keyword in keywords]
self.Colourise(0, -1)
def RefreshJumpList(self):
if self.TextSyntax != "IL":
self.Jumps = [jump.upper() for jump in LABEL_MODEL.findall(self.GetText())]
self.Colourise(0, -1)
# Buffer the last model state
def RefreshBuffer(self):
self.Controler.BufferProject()
if self.ParentWindow:
self.ParentWindow.RefreshTitle()
self.ParentWindow.RefreshFileMenu()
self.ParentWindow.RefreshEditMenu()
def StartBuffering(self):
self.Controler.StartBuffering()
if self.ParentWindow:
self.ParentWindow.RefreshTitle()
self.ParentWindow.RefreshFileMenu()
self.ParentWindow.RefreshEditMenu()
def ResetBuffer(self):
if self.CurrentAction != None:
self.Controler.EndBuffering()
self.CurrentAction = None
def GetBufferState(self):
if not self.Debug and self.TextSyntax != "ALL":
return self.Controler.GetBufferState()
return False, False
def Undo(self):
if not self.Debug and self.TextSyntax != "ALL":
self.Controler.LoadPrevious()
self.ParentWindow.CloseTabsWithoutModel()
def Redo(self):
if not self.Debug and self.TextSyntax != "ALL":
self.Controler.LoadNext()
self.ParentWindow.CloseTabsWithoutModel()
def HasNoModel(self):
if not self.Debug and self.TextSyntax != "ALL":
return self.Controler.GetEditedElement(self.TagName) is None
return False
def RefreshView(self, variablepanel=True):
EditorPanel.RefreshView(self, variablepanel)
if self.Controler is not None:
self.ResetBuffer()
self.DisableEvents = True
old_cursor_pos = self.GetCurrentPos()
old_text = self.GetText()
new_text = self.Controler.GetEditedElementText(self.TagName, self.Debug)
self.SetText(new_text)
new_cursor_pos = GetCursorPos(old_text, new_text)
if new_cursor_pos != None:
self.Editor.GotoPos(new_cursor_pos)
else:
self.Editor.GotoPos(old_cursor_pos)
self.Editor.ScrollToColumn(0)
self.RefreshJumpList()
self.Editor.EmptyUndoBuffer()
self.DisableEvents = False
self.RefreshVariableTree()
self.TypeNames = [typename.upper() for typename in self.Controler.GetDataTypes(self.TagName, True, self.Debug)]
self.EnumeratedValues = [value.upper() for value in self.Controler.GetEnumeratedDataValues()]
self.Functions = {}
for category in self.Controler.GetBlockTypes(self.TagName, self.Debug):
for blocktype in category["list"]:
blockname = blocktype["name"].upper()
if blocktype["type"] == "function" and blockname not in self.Keywords and blockname not in self.Variables.keys():
interface = dict([(name, {}) for name, type, modifier in blocktype["inputs"] + blocktype["outputs"] if name != ''])
for param in ["EN", "ENO"]:
if not interface.has_key(param):
interface[param] = {}
if self.Functions.has_key(blockname):
self.Functions[blockname]["interface"].update(interface)
self.Functions[blockname]["extensible"] |= blocktype["extensible"]
else:
self.Functions[blockname] = {"interface": interface,
"extensible": blocktype["extensible"]}
self.Colourise(0, -1)
def RefreshVariableTree(self):
words = self.TagName.split("::")
self.Variables = self.GenerateVariableTree([(variable["Name"], variable["Type"], variable["Tree"]) for variable in self.Controler.GetEditedElementInterfaceVars(self.TagName, self.Debug)])
if self.Controler.GetEditedElementType(self.TagName, self.Debug)[1] == "function" or words[0] == "T" and self.TextSyntax == "IL":
return_type = self.Controler.GetEditedElementInterfaceReturnType(self.TagName, self.Debug)
if return_type is not None:
var_tree, var_dimension = self.Controler.GenerateVarTree(return_type, self.Debug)
self.Variables[words[-1].upper()] = self.GenerateVariableTree(var_tree)
else:
self.Variables[words[-1].upper()] = {}
def GenerateVariableTree(self, list):
tree = {}
for var_name, var_type, (var_tree, var_dimension) in list:
tree[var_name.upper()] = self.GenerateVariableTree(var_tree)
return tree
def IsValidVariable(self, name, context):
return context is not None and context.get(name, None) is not None
def IsCallParameter(self, name, call):
if call is not None:
return (call["interface"].get(name.upper(), None) is not None or
call["extensible"] and EXTENSIBLE_PARAMETER.match(name.upper()) is not None)
return False
def RefreshLineFolding(self, line_number):
if self.TextSyntax in ["ST", "ALL"]:
level = wx.stc.STC_FOLDLEVELBASE + self.Editor.GetLineIndentation(line_number)
line = self.Editor.GetLine(line_number).strip()
if line == "":
if line_number > 0:
if LineStartswith(self.Editor.GetLine(line_number - 1).strip(), self.BlockEndKeywords):
level = self.Editor.GetFoldLevel(self.Editor.GetFoldParent(line_number - 1)) & wx.stc.STC_FOLDLEVELNUMBERMASK
else:
level = self.Editor.GetFoldLevel(line_number - 1) & wx.stc.STC_FOLDLEVELNUMBERMASK
if level != wx.stc.STC_FOLDLEVELBASE:
level |= wx.stc.STC_FOLDLEVELWHITEFLAG
elif LineStartswith(line, self.BlockStartKeywords):
level |= wx.stc.STC_FOLDLEVELHEADERFLAG
elif LineStartswith(line, self.BlockEndKeywords):
if LineStartswith(self.Editor.GetLine(line_number - 1).strip(), self.BlockEndKeywords):
level = self.Editor.GetFoldLevel(self.Editor.GetFoldParent(line_number - 1)) & wx.stc.STC_FOLDLEVELNUMBERMASK
else:
level = self.Editor.GetFoldLevel(line_number - 1) & wx.stc.STC_FOLDLEVELNUMBERMASK
self.Editor.SetFoldLevel(line_number, level)
def OnStyleNeeded(self, event):
self.TextChanged = True
line_number = self.Editor.LineFromPosition(self.Editor.GetEndStyled())
if line_number == 0:
start_pos = last_styled_pos = 0
else:
start_pos = last_styled_pos = self.Editor.GetLineEndPosition(line_number - 1) + 1
self.RefreshLineFolding(line_number)
end_pos = event.GetPosition()
self.StartStyling(start_pos, 0xff)
current_context = self.Variables
current_call = None
current_pos = last_styled_pos
state = SPACE
line = ""
word = ""
while current_pos < end_pos:
char = chr(self.Editor.GetCharAt(current_pos)).upper()
line += char
if char == NEWLINE:
self.ContextStack = []
current_context = self.Variables
if state == COMMENT:
self.SetStyling(current_pos - last_styled_pos + 1, STC_PLC_COMMENT)
elif state == NUMBER:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_NUMBER)
elif state == WORD:
if word in self.Keywords or word in self.TypeNames:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_WORD)
elif self.IsValidVariable(word, current_context):
self.SetStyling(current_pos - last_styled_pos, STC_PLC_VARIABLE)
elif self.IsCallParameter(word, current_call):
self.SetStyling(current_pos - last_styled_pos, STC_PLC_PARAMETER)
elif word in self.Functions:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_FUNCTION)
elif self.TextSyntax == "IL" and word in self.Jumps:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_JUMP)
elif word in self.EnumeratedValues:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_NUMBER)
else:
self.SetStyling(current_pos - last_styled_pos, 31)
if word not in ["]", ")"] and (self.GetCurrentPos() < last_styled_pos or self.GetCurrentPos() > current_pos):
self.StartStyling(last_styled_pos, wx.stc.STC_INDICS_MASK)
self.SetStyling(current_pos - last_styled_pos, wx.stc.STC_INDIC0_MASK)
self.StartStyling(current_pos, 0xff)
else:
self.SetStyling(current_pos - last_styled_pos, 31)
last_styled_pos = current_pos
state = SPACE
line = ""
line_number += 1
self.RefreshLineFolding(line_number)
elif line.endswith("(*") and state != COMMENT:
self.SetStyling(current_pos - last_styled_pos - 1, 31)
last_styled_pos = current_pos
if state == WORD:
current_context = self.Variables
state = COMMENT
elif line.endswith("{") and state != PRAGMA:
self.SetStyling(current_pos - last_styled_pos - 1, 31)
last_styled_pos = current_pos
if state == WORD:
current_context = self.Variables
state = PRAGMA
elif state == COMMENT:
if line.endswith("*)"):
self.SetStyling(current_pos - last_styled_pos + 2, STC_PLC_COMMENT)
last_styled_pos = current_pos + 1
state = SPACE
elif state == PRAGMA:
if line.endswith("}"):
self.SetStyling(current_pos - last_styled_pos + 2, 31)
last_styled_pos = current_pos + 1
state = SPACE
elif (line.endswith("'") or line.endswith('"')) and state not in [STRING, WSTRING]:
self.SetStyling(current_pos - last_styled_pos, 31)
last_styled_pos = current_pos
if state == WORD:
current_context = self.Variables
if line.endswith("'"):
state = STRING
else:
state = WSTRING
elif state == STRING:
if line.endswith("'") and not line.endswith("$'"):
self.SetStyling(current_pos - last_styled_pos + 1, STC_PLC_STRING)
last_styled_pos = current_pos + 1
state = SPACE
elif state == WSTRING:
if line.endswith('"') and not line.endswith('$"'):
self.SetStyling(current_pos - last_styled_pos + 1, STC_PLC_STRING)
last_styled_pos = current_pos + 1
state = SPACE
elif char in LETTERS:
if state == NUMBER:
word = "#"
state = WORD
elif state == SPACE:
self.SetStyling(current_pos - last_styled_pos, 31)
word = char
last_styled_pos = current_pos
state = WORD
else:
word += char
elif char in NUMBERS or char == '.' and state != WORD:
if state == SPACE:
self.SetStyling(current_pos - last_styled_pos, 31)
last_styled_pos = current_pos
state = NUMBER
elif state == WORD and char != '.':
word += char
elif char == '(' and state == SPACE:
self.CallStack.append(current_call)
current_call = None
else:
if state == WORD:
if word in self.Keywords or word in self.TypeNames:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_WORD)
elif self.IsValidVariable(word, current_context):
self.SetStyling(current_pos - last_styled_pos, STC_PLC_VARIABLE)
elif self.IsCallParameter(word, current_call):
self.SetStyling(current_pos - last_styled_pos, STC_PLC_PARAMETER)
elif word in self.Functions:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_FUNCTION)
elif self.TextSyntax == "IL" and word in self.Jumps:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_JUMP)
elif word in self.EnumeratedValues:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_NUMBER)
else:
self.SetStyling(current_pos - last_styled_pos, 31)
if word not in ["]", ")"] and (self.GetCurrentPos() < last_styled_pos or self.GetCurrentPos() > current_pos):
self.StartStyling(last_styled_pos, wx.stc.STC_INDICS_MASK)
self.SetStyling(current_pos - last_styled_pos, wx.stc.STC_INDIC0_MASK)
self.StartStyling(current_pos, 0xff)
if char == '.':
if word != "]":
if current_context is not None:
current_context = current_context.get(word, None)
else:
current_context = None
elif char == '(':
self.CallStack.append(current_call)
current_call = self.Functions.get(word, None)
if current_call is None and self.IsValidVariable(word, current_context):
current_call = {"interface": current_context.get(word, {}),
"extensible": False}
current_context = self.Variables
else:
if char == '[':
self.ContextStack.append(current_context.get(word, None))
current_context = self.Variables
word = ""
last_styled_pos = current_pos
state = SPACE
elif state == NUMBER:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_NUMBER)
last_styled_pos = current_pos
state = SPACE
if char == ']':
if len(self.ContextStack) > 0:
current_context = self.ContextStack.pop()
else:
current_context = self.Variables
word = char
state = WORD
elif char == ')':
current_context = self.Variables
if len(self.CallStack) > 0:
current_call = self.CallStack.pop()
else:
current_call = None
word = char
state = WORD
current_pos += 1
if state == COMMENT:
self.SetStyling(current_pos - last_styled_pos + 2, STC_PLC_COMMENT)
elif state == NUMBER:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_NUMBER)
elif state == WORD:
if word in self.Keywords or word in self.TypeNames:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_WORD)
elif self.IsValidVariable(word, current_context):
self.SetStyling(current_pos - last_styled_pos, STC_PLC_VARIABLE)
elif self.IsCallParameter(word, current_call):
self.SetStyling(current_pos - last_styled_pos, STC_PLC_PARAMETER)
elif self.TextSyntax == "IL" and word in self.Functions:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_FUNCTION)
elif word in self.Jumps:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_JUMP)
elif word in self.EnumeratedValues:
self.SetStyling(current_pos - last_styled_pos, STC_PLC_NUMBER)
else:
self.SetStyling(current_pos - last_styled_pos, 31)
else:
self.SetStyling(current_pos - start_pos, 31)
self.ShowHighlights(start_pos, end_pos)
event.Skip()
def OnMarginClick(self, event):
if event.GetMargin() == 2:
line = self.Editor.LineFromPosition(event.GetPosition())
if self.Editor.GetFoldLevel(line) & wx.stc.STC_FOLDLEVELHEADERFLAG:
self.Editor.ToggleFold(line)
event.Skip()
def Cut(self):
self.ResetBuffer()
self.DisableEvents = True
self.Editor.CmdKeyExecute(wx.stc.STC_CMD_CUT)
self.DisableEvents = False
self.RefreshModel()
self.RefreshBuffer()
def Copy(self):
self.Editor.CmdKeyExecute(wx.stc.STC_CMD_COPY)
def Paste(self):
self.ResetBuffer()
self.DisableEvents = True
self.Editor.CmdKeyExecute(wx.stc.STC_CMD_PASTE)
self.DisableEvents = False
self.RefreshModel()
self.RefreshBuffer()
def Find(self, direction, search_params):
if self.SearchParams != search_params:
self.ClearHighlights(SEARCH_RESULT_HIGHLIGHT)
self.SearchParams = search_params
criteria = {
"raw_pattern": search_params["find_pattern"],
"pattern": re.compile(search_params["find_pattern"]),
"case_sensitive": search_params["case_sensitive"],
"regular_expression": search_params["regular_expression"],
"filter": "all"}
self.SearchResults = [
(infos[1:], start, end, SEARCH_RESULT_HIGHLIGHT)
for infos, start, end, text in
self.Controler.SearchInPou(self.TagName, criteria, self.Debug)]
if len(self.SearchResults) > 0:
if self.CurrentFindHighlight is not None:
old_idx = self.SearchResults.index(self.CurrentFindHighlight)
if self.SearchParams["wrap"]:
idx = (old_idx + direction) % len(self.SearchResults)
else:
idx = max(0, min(old_idx + direction, len(self.SearchResults) - 1))
if idx != old_idx:
self.RemoveHighlight(*self.CurrentFindHighlight)
self.CurrentFindHighlight = self.SearchResults[idx]
self.AddHighlight(*self.CurrentFindHighlight)
else:
self.CurrentFindHighlight = self.SearchResults[0]
self.AddHighlight(*self.CurrentFindHighlight)
else:
if self.CurrentFindHighlight is not None:
self.RemoveHighlight(*self.CurrentFindHighlight)
self.CurrentFindHighlight = None
def RefreshModel(self):
self.RefreshJumpList()
self.Controler.SetEditedElementText(self.TagName, self.GetText())
def OnKeyDown(self, event):
if self.Controler is not None:
if self.Editor.CallTipActive():
self.Editor.CallTipCancel()
key = event.GetKeyCode()
key_handled = False
line = self.Editor.GetCurrentLine()
if line == 0:
start_pos = 0
else:
start_pos = self.Editor.GetLineEndPosition(line - 1) + 1
end_pos = self.GetCurrentPos()
lineText = self.Editor.GetTextRange(start_pos, end_pos).replace("\t", " ")
# Code completion
if key == wx.WXK_SPACE and event.ControlDown():
words = lineText.split(" ")
words = [word for i, word in enumerate(words) if word != '' or i == len(words) - 1]
kw = []
if self.TextSyntax == "IL":
if len(words) == 1:
kw = self.Keywords
elif len(words) == 2:
if words[0].upper() in ["CAL", "CALC", "CALNC"]:
kw = self.Functions
elif words[0].upper() in ["JMP", "JMPC", "JMPNC"]:
kw = self.Jumps
else:
kw = self.Variables.keys()
else:
kw = self.Keywords + self.Variables.keys() + self.Functions
if len(kw) > 0:
if len(words[-1]) > 0:
kw = [keyword for keyword in kw if keyword.startswith(words[-1])]
kw.sort()
self.Editor.AutoCompSetIgnoreCase(True)
self.Editor.AutoCompShow(len(words[-1]), " ".join(kw))
key_handled = True
elif key == wx.WXK_RETURN or key == wx.WXK_NUMPAD_ENTER:
if self.TextSyntax in ["ST", "ALL"]:
indent = self.Editor.GetLineIndentation(line)
if LineStartswith(lineText.strip(), self.BlockStartKeywords):
indent = (indent / 2 + 1) * 2
self.Editor.AddText("\n" + " " * indent)
key_handled = True
elif key == wx.WXK_BACK:
if self.TextSyntax in ["ST", "ALL"]:
indent = self.Editor.GetLineIndentation(line)
if lineText.strip() == "" and indent > 0:
self.Editor.DelLineLeft()
self.Editor.AddText(" " * ((max(0, indent - 1) / 2) * 2))
key_handled = True
if not key_handled:
event.Skip()
def OnKillFocus(self, event):
self.Editor.AutoCompCancel()
event.Skip()
#-------------------------------------------------------------------------------
# Highlights showing functions
#-------------------------------------------------------------------------------
def OnRefreshHighlightsTimer(self, event):
self.RefreshView()
event.Skip()
def ClearHighlights(self, highlight_type=None):
EditorPanel.ClearHighlights(self, highlight_type)
if highlight_type is None:
self.Highlights = []
else:
highlight_type = HIGHLIGHT_TYPES.get(highlight_type, None)
if highlight_type is not None:
self.Highlights = [(infos, start, end, highlight) for (infos, start, end, highlight) in self.Highlights if highlight != highlight_type]
self.RefreshView()
def AddHighlight(self, infos, start, end, highlight_type):
EditorPanel.AddHighlight(self, infos, start, end, highlight_type)
highlight_type = HIGHLIGHT_TYPES.get(highlight_type, None)
if infos[0] == "body" and highlight_type is not None:
self.Highlights.append((infos[1], start, end, highlight_type))
self.Editor.GotoPos(self.Editor.PositionFromLine(start[0]) + start[1])
self.RefreshHighlightsTimer.Start(int(REFRESH_HIGHLIGHT_PERIOD * 1000), oneShot=True)
def RemoveHighlight(self, infos, start, end, highlight_type):
EditorPanel.RemoveHighlight(self, infos, start, end, highlight_type)
highlight_type = HIGHLIGHT_TYPES.get(highlight_type, None)
if (infos[0] == "body" and highlight_type is not None and
(infos[1], start, end, highlight_type) in self.Highlights):
self.Highlights.remove((infos[1], start, end, highlight_type))
self.RefreshHighlightsTimer.Start(int(REFRESH_HIGHLIGHT_PERIOD * 1000), oneShot=True)
def ShowHighlights(self, start_pos, end_pos):
for indent, start, end, highlight_type in self.Highlights:
if start[0] == 0:
highlight_start_pos = start[1] - indent
else:
highlight_start_pos = self.Editor.GetLineEndPosition(start[0] - 1) + start[1] - indent + 1
if end[0] == 0:
highlight_end_pos = end[1] - indent + 1
else:
highlight_end_pos = self.Editor.GetLineEndPosition(end[0] - 1) + end[1] - indent + 2
if highlight_start_pos < end_pos and highlight_end_pos > start_pos:
self.StartStyling(highlight_start_pos, 0xff)
self.SetStyling(highlight_end_pos - highlight_start_pos, highlight_type)
self.StartStyling(highlight_start_pos, 0x00)
self.SetStyling(len(self.Editor.GetText()) - highlight_end_pos, wx.stc.STC_STYLE_DEFAULT)