author | lbessard |
Fri, 03 Aug 2007 18:01:56 +0200 | |
changeset 61 | dc7142ae9438 |
parent 58 | 39cd981ff242 |
child 64 | dd6f693e46a1 |
permissions | -rw-r--r-- |
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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor |
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#based on the plcopen standard. |
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# |
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#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD |
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# |
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#See COPYING file for copyrights details. |
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# |
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#This library is free software; you can redistribute it and/or |
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#modify it under the terms of the GNU General Public |
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#License as published by the Free Software Foundation; either |
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#version 2.1 of the License, or (at your option) any later version. |
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# |
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#This library is distributed in the hope that it will be useful, |
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#but WITHOUT ANY WARRANTY; without even the implied warranty of |
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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#General Public License for more details. |
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# |
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#You should have received a copy of the GNU General Public |
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#License along with this library; if not, write to the Free Software |
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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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from wxPython.wx import * |
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from wxPython.stc import * |
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import wx |
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from types import * |
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import re |
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#------------------------------------------------------------------------------- |
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# Textual programs Viewer class |
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#------------------------------------------------------------------------------- |
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NEWLINE = "\n" |
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NUMBERS = [str(i) for i in xrange(10)] |
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LETTERS = ['_'] |
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for i in xrange(26): |
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LETTERS.append(chr(ord('a') + i)) |
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LETTERS.append(chr(ord('A') + i)) |
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[wxSTC_PLC_WORD, wxSTC_PLC_COMMENT, wxSTC_PLC_NUMBER, wxSTC_PLC_VARIABLE, |
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wxSTC_PLC_FUNCTION, wxSTC_PLC_JUMP] = range(6) |
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[SPACE, WORD, NUMBER, COMMENT] = range(4) |
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[wxID_TEXTVIEWER, |
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] = [wx.NewId() for _init_ctrls in range(1)] |
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if wx.Platform == '__WXMSW__': |
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faces = { 'times': 'Times New Roman', |
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'mono' : 'Courier New', |
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'helv' : 'Arial', |
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'other': 'Comic Sans MS', |
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'size' : 10, |
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} |
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else: |
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faces = { 'times': 'Times', |
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'mono' : 'Courier', |
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'helv' : 'Helvetica', |
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'other': 'new century schoolbook', |
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'size' : 12, |
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} |
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re_texts = {} |
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re_texts["letter"] = "[A-Za-z]" |
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re_texts["digit"] = "[0-9]" |
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re_texts["identifier"] = "((?:%(letter)s|(?:_(?:%(letter)s|%(digit)s)))(?:_?(?:%(letter)s|%(digit)s))*)"%re_texts |
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IDENTIFIER_MODEL = re.compile(re_texts["identifier"]) |
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LABEL_MODEL = re.compile("[ \t\n]%(identifier)s:[ \t\n]"%re_texts) |
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def GetCursorPos(old, new): |
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old_length = len(old) |
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new_length = len(new) |
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common_length = min(old_length, new_length) |
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i = 0 |
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for i in xrange(common_length): |
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if old[i] != new[i]: |
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break |
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if old_length < new_length: |
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if common_length > 0 and old[i] != new[i]: |
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return i + new_length - old_length |
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else: |
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return i + new_length - old_length + 1 |
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elif old_length > new_length or i < min(old_length, new_length) - 1: |
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if common_length > 0 and old[i] != new[i]: |
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return i |
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else: |
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return i + 1 |
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else: |
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return None |
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class TextViewer(wxStyledTextCtrl): |
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def __init__(self, parent, window, controler): |
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wxStyledTextCtrl.__init__(self, parent, wxID_TEXTVIEWER, style=0) |
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self.CmdKeyAssign(ord('+'), wxSTC_SCMOD_CTRL, wxSTC_CMD_ZOOMIN) |
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self.CmdKeyAssign(ord('-'), wxSTC_SCMOD_CTRL, wxSTC_CMD_ZOOMOUT) |
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self.SetViewWhiteSpace(False) |
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self.SetLexer(wxSTC_LEX_CONTAINER) |
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# Global default styles for all languages |
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self.StyleSetSpec(wxSTC_STYLE_DEFAULT, "face:%(mono)s,size:%(size)d" % faces) |
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self.StyleClearAll() # Reset all to be like the default |
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self.StyleSetSpec(wxSTC_STYLE_LINENUMBER, "back:#C0C0C0,size:%(size)d" % faces) |
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self.SetSelBackground(1, "#E0E0E0") |
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# Highlighting styles |
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self.StyleSetSpec(wxSTC_PLC_WORD, "fore:#00007F,bold,size:%(size)d" % faces) |
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self.StyleSetSpec(wxSTC_PLC_VARIABLE, "fore:#7F0000,size:%(size)d" % faces) |
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self.StyleSetSpec(wxSTC_PLC_FUNCTION, "fore:#7F7F00,size:%(size)d" % faces) |
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self.StyleSetSpec(wxSTC_PLC_COMMENT, "fore:#7F7F7F,size:%(size)d" % faces) |
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self.StyleSetSpec(wxSTC_PLC_NUMBER, "fore:#007F7F,size:%(size)d" % faces) |
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self.StyleSetSpec(wxSTC_PLC_JUMP, "fore:#007F00,size:%(size)d" % faces) |
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# Indicators styles |
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self.IndicatorSetStyle(0, wxSTC_INDIC_SQUIGGLE) |
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self.IndicatorSetForeground(0, wxRED) |
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# Line numbers in the margin |
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self.SetMarginType(1, wxSTC_MARGIN_NUMBER) |
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self.SetMarginWidth(1, 50) |
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# Indentation size |
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self.SetTabWidth(2) |
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self.SetUseTabs(0) |
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self.Keywords = [] |
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self.Variables = [] |
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self.Functions = [] |
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self.Jumps = [] |
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self.TextChanged = False |
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self.DisableEvents = True |
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self.TextSyntax = "ST" |
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self.CurrentAction = None |
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self.Parent = window |
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self.Controler = controler |
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self.SetModEventMask(wxSTC_MOD_BEFOREINSERT|wxSTC_MOD_BEFOREDELETE) |
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EVT_KEY_DOWN(self, self.OnKeyDown) |
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EVT_STC_STYLENEEDED(self, wxID_TEXTVIEWER, self.OnStyleNeeded) |
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EVT_STC_DO_DROP(self, wxID_TEXTVIEWER, self.OnDoDrop) |
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EVT_KILL_FOCUS(self, self.OnKillFocus) |
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EVT_STC_MODIFIED(self, wxID_TEXTVIEWER, self.OnModification) |
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def OnModification(self, event): |
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if not self.DisableEvents: |
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mod_type = event.GetModificationType() |
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if not (mod_type&wxSTC_PERFORMED_UNDO or mod_type&wxSTC_PERFORMED_REDO): |
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if mod_type&wxSTC_MOD_BEFOREINSERT: |
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if self.CurrentAction == None: |
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self.StartBuffering() |
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elif self.CurrentAction[0] != "Add" or self.CurrentAction[1] != event.GetPosition() - 1: |
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self.Controler.EndBuffering() |
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self.StartBuffering() |
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self.CurrentAction = ("Add", event.GetPosition()) |
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elif mod_type&wxSTC_MOD_BEFOREDELETE: |
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if self.CurrentAction == None: |
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self.StartBuffering() |
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elif self.CurrentAction[0] != "Delete" or self.CurrentAction[1] != event.GetPosition() + 1: |
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self.Controler.EndBuffering() |
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self.StartBuffering() |
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self.CurrentAction = ("Delete", event.GetPosition()) |
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event.Skip() |
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def OnDoDrop(self, event): |
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try: |
174 |
values = eval(event.GetDragText()) |
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175 |
except: |
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values = event.GetDragText() |
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if isinstance(values, tuple): |
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if values[1] in ["functionBlock", "program", "location"]: |
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event.SetDragText("") |
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else: |
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event.SetDragText(values[0]) |
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event.Skip() |
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def SetTextSyntax(self, syntax): |
185 |
self.TextSyntax = syntax |
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186 |
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187 |
def SetKeywords(self, keywords): |
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188 |
self.Keywords = [keyword.upper() for keyword in keywords] |
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189 |
self.Colourise(0, -1) |
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190 |
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191 |
def SetVariables(self, variables): |
|
192 |
self.Variables = [variable.upper() for variable in variables] |
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193 |
self.Colourise(0, -1) |
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194 |
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195 |
def SetFunctions(self, blocktypes): |
|
196 |
self.Functions = [] |
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197 |
for category in blocktypes: |
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198 |
for blocktype in category["list"]: |
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199 |
if blocktype["name"] not in self.Keywords and blocktype["name"] not in self.Variables: |
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200 |
self.Functions.append(blocktype["name"].upper()) |
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self.Colourise(0, -1) |
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202 |
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203 |
def RefreshJumpList(self): |
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204 |
self.Jumps = [jump.upper() for jump in LABEL_MODEL.findall(self.GetText())] |
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self.Colourise(0, -1) |
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# Buffer the last model state |
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def RefreshBuffer(self): |
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self.Controler.BufferProject() |
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self.Parent.RefreshTitle() |
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self.Parent.RefreshEditMenu() |
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def StartBuffering(self): |
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self.Controler.StartBuffering() |
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self.Parent.RefreshTitle() |
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self.Parent.RefreshEditMenu() |
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def ResetBuffer(self): |
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if self.CurrentAction != None: |
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self.Controler.EndBuffering() |
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self.CurrentAction = None |
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def RefreshView(self): |
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self.ResetBuffer() |
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self.DisableEvents = True |
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old_cursor_pos = self.GetCurrentPos() |
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old_text = self.GetText() |
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new_text = self.Controler.GetCurrentElementEditingText() |
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self.SetText(new_text) |
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new_cursor_pos = GetCursorPos(old_text, new_text) |
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if new_cursor_pos != None: |
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232 |
self.SetSelection(new_cursor_pos, new_cursor_pos) |
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233 |
self.EnsureCaretVisible() |
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234 |
else: |
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235 |
self.SetSelection(old_cursor_pos, old_cursor_pos) |
27 | 236 |
self.RefreshJumpList() |
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237 |
self.EmptyUndoBuffer() |
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238 |
self.DisableEvents = False |
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239 |
|
27 | 240 |
def OnStyleNeeded(self, event): |
241 |
self.TextChanged = True |
|
242 |
line = self.LineFromPosition(self.GetEndStyled()) |
|
243 |
if line == 0: |
|
244 |
start_pos = 0 |
|
245 |
else: |
|
246 |
start_pos = self.GetLineEndPosition(line - 1) + 1 |
|
247 |
end_pos = event.GetPosition() |
|
248 |
self.StartStyling(start_pos, 0xff) |
|
249 |
||
250 |
i = start_pos |
|
251 |
state = SPACE |
|
252 |
line = "" |
|
253 |
word = "" |
|
254 |
while i < end_pos: |
|
255 |
char = chr(self.GetCharAt(i)).upper() |
|
256 |
line += char |
|
257 |
if char == NEWLINE: |
|
258 |
if state == COMMENT: |
|
259 |
self.SetStyling(i - start_pos + 1, wxSTC_PLC_COMMENT) |
|
260 |
elif state == NUMBER: |
|
261 |
self.SetStyling(i - start_pos, wxSTC_PLC_NUMBER) |
|
262 |
elif state == WORD: |
|
263 |
if word in self.Keywords: |
|
264 |
self.SetStyling(i - start_pos, wxSTC_PLC_WORD) |
|
265 |
elif word in self.Variables: |
|
266 |
self.SetStyling(i - start_pos, wxSTC_PLC_VARIABLE) |
|
267 |
elif word in self.Functions: |
|
268 |
self.SetStyling(i - start_pos, wxSTC_PLC_FUNCTION) |
|
269 |
elif word in self.Jumps: |
|
270 |
self.SetStyling(i - start_pos, wxSTC_PLC_JUMP) |
|
271 |
else: |
|
272 |
self.SetStyling(i - start_pos, 31) |
|
273 |
if self.GetCurrentPos() < start_pos or self.GetCurrentPos() > i: |
|
274 |
self.StartStyling(start_pos, wxSTC_INDICS_MASK) |
|
275 |
self.SetStyling(i - start_pos, wxSTC_INDIC0_MASK) |
|
276 |
self.StartStyling(i, 0xff) |
|
277 |
else: |
|
278 |
self.SetStyling(i - start_pos, 31) |
|
279 |
start_pos = i |
|
280 |
state = SPACE |
|
281 |
line = "" |
|
282 |
elif line.endswith("(*") and state != COMMENT: |
|
283 |
self.SetStyling(i - start_pos - 1, 31) |
|
284 |
start_pos = i |
|
285 |
state = COMMENT |
|
286 |
elif state == COMMENT: |
|
287 |
if line.endswith("*)"): |
|
288 |
self.SetStyling(i - start_pos + 2, wxSTC_PLC_COMMENT) |
|
289 |
start_pos = i + 1 |
|
290 |
state = SPACE |
|
291 |
elif char in LETTERS: |
|
292 |
if state == NUMBER: |
|
293 |
word = "#" |
|
294 |
state = WORD |
|
295 |
elif state == SPACE: |
|
296 |
self.SetStyling(i - start_pos, 31) |
|
297 |
word = char |
|
298 |
start_pos = i |
|
299 |
state = WORD |
|
300 |
else: |
|
301 |
word += char |
|
302 |
elif char in NUMBERS or char == '.' and state != WORD: |
|
303 |
if state == SPACE: |
|
304 |
self.SetStyling(i - start_pos, 31) |
|
305 |
start_pos = i |
|
306 |
state = NUMBER |
|
307 |
if state == WORD and char != '.': |
|
308 |
word += char |
|
309 |
else: |
|
310 |
if state == WORD: |
|
311 |
if word in self.Keywords: |
|
312 |
self.SetStyling(i - start_pos, wxSTC_PLC_WORD) |
|
313 |
elif word in self.Variables: |
|
314 |
self.SetStyling(i - start_pos, wxSTC_PLC_VARIABLE) |
|
315 |
elif word in self.Functions: |
|
316 |
self.SetStyling(i - start_pos, wxSTC_PLC_FUNCTION) |
|
317 |
elif word in self.Jumps: |
|
318 |
self.SetStyling(i - start_pos, wxSTC_PLC_JUMP) |
|
319 |
else: |
|
320 |
self.SetStyling(i - start_pos, 31) |
|
321 |
if self.GetCurrentPos() < start_pos or self.GetCurrentPos() > i: |
|
322 |
self.StartStyling(start_pos, wxSTC_INDICS_MASK) |
|
323 |
self.SetStyling(i - start_pos, wxSTC_INDIC0_MASK) |
|
324 |
self.StartStyling(i, 0xff) |
|
325 |
word = "" |
|
326 |
start_pos = i |
|
327 |
state = SPACE |
|
328 |
elif state == NUMBER: |
|
329 |
self.SetStyling(i - start_pos, wxSTC_PLC_NUMBER) |
|
330 |
start_pos = i |
|
331 |
state = SPACE |
|
332 |
i += 1 |
|
333 |
if state == COMMENT: |
|
334 |
self.SetStyling(i - start_pos + 2, wxSTC_PLC_COMMENT) |
|
335 |
elif state == NUMBER: |
|
336 |
self.SetStyling(i - start_pos, wxSTC_PLC_NUMBER) |
|
337 |
elif state == WORD: |
|
338 |
if word in self.Keywords: |
|
339 |
self.SetStyling(i - start_pos, wxSTC_PLC_WORD) |
|
340 |
elif word in self.Variables: |
|
341 |
self.SetStyling(i - start_pos, wxSTC_PLC_VARIABLE) |
|
342 |
elif word in self.Functions: |
|
343 |
self.SetStyling(i - start_pos, wxSTC_PLC_FUNCTION) |
|
344 |
elif word in self.Jumps: |
|
345 |
self.SetStyling(i - start_pos, wxSTC_PLC_JUMP) |
|
346 |
else: |
|
347 |
self.SetStyling(i - start_pos, 31) |
|
348 |
else: |
|
349 |
self.SetStyling(i - start_pos, 31) |
|
350 |
event.Skip() |
|
351 |
||
352 |
def Cut(self): |
|
56
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353 |
self.ResetBuffer() |
27 | 354 |
self.CmdKeyExecute(wxSTC_CMD_CUT) |
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355 |
self.RefreshBuffer() |
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356 |
|
27 | 357 |
def Copy(self): |
358 |
self.CmdKeyExecute(wxSTC_CMD_COPY) |
|
359 |
||
360 |
def Paste(self): |
|
56
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361 |
self.ResetBuffer() |
27 | 362 |
self.CmdKeyExecute(wxSTC_CMD_PASTE) |
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363 |
self.RefreshBuffer() |
27 | 364 |
|
365 |
def RefreshModel(self): |
|
366 |
if self.TextChanged: |
|
367 |
self.RefreshJumpList() |
|
368 |
self.Controler.SetCurrentElementEditingText(self.GetText()) |
|
369 |
||
370 |
def OnKeyDown(self, event): |
|
371 |
if self.CallTipActive(): |
|
372 |
self.CallTipCancel() |
|
373 |
key = event.KeyCode() |
|
374 |
||
375 |
# Code completion |
|
376 |
if key == WXK_SPACE and event.ControlDown(): |
|
377 |
||
378 |
line = self.GetCurrentLine() |
|
379 |
if line == 0: |
|
380 |
start_pos = 0 |
|
381 |
else: |
|
382 |
start_pos = self.GetLineEndPosition(line - 1) + 1 |
|
383 |
end_pos = self.GetCurrentPos() |
|
384 |
||
385 |
lineText = self.GetTextRange(start_pos, end_pos).replace("\t", " ") |
|
386 |
words = lineText.split(" ") |
|
387 |
words = [word for i, word in enumerate(words) if word != '' or i == len(words) - 1] |
|
388 |
||
389 |
kw = [] |
|
390 |
||
391 |
if self.TextSyntax == "IL": |
|
392 |
if len(words) == 1: |
|
393 |
kw = self.Keywords |
|
394 |
elif len(words) == 2: |
|
395 |
if words[0].upper() in ["CAL", "CALC", "CALNC"]: |
|
396 |
kw = self.Functions |
|
397 |
elif words[0].upper() in ["JMP", "JMPC", "JMPNC"]: |
|
398 |
kw = self.Jumps |
|
399 |
else: |
|
400 |
kw = self.Variables |
|
401 |
else: |
|
402 |
kw = self.Keywords + self.Variables + self.Functions |
|
403 |
if len(kw) > 0: |
|
404 |
kw.sort() |
|
405 |
self.AutoCompSetIgnoreCase(True) |
|
406 |
self.AutoCompShow(len(words[-1]), " ".join(kw)) |
|
407 |
else: |
|
408 |
self.TextChanged = False |
|
409 |
wxCallAfter(self.RefreshModel) |
|
410 |
event.Skip() |
|
411 |
||
412 |
def OnKillFocus(self, event): |
|
413 |
self.AutoCompCancel() |
|
414 |
event.Skip() |
|
415 |