author | etisserant |
Tue, 02 Oct 2007 18:00:13 +0200 | |
changeset 101 | 3f06a178b960 |
parent 98 | ec5d7af033d8 |
child 113 | 9eeaebd867aa |
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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import wx |
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import wx.stc |
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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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[STC_PLC_WORD, STC_PLC_COMMENT, STC_PLC_NUMBER, STC_PLC_VARIABLE, |
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STC_PLC_FUNCTION, STC_PLC_JUMP] = range(6) |
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[SPACE, WORD, NUMBER, COMMENT] = range(4) |
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[ID_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(wx.stc.StyledTextCtrl): |
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def __init__(self, parent, window, controler): |
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wx.stc.StyledTextCtrl.__init__(self, parent, ID_TEXTVIEWER, size=wx.Size(0, 0), style=0) |
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self.CmdKeyAssign(ord('+'), wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_ZOOMIN) |
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self.CmdKeyAssign(ord('-'), wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_ZOOMOUT) |
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self.SetViewWhiteSpace(False) |
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self.SetLexer(wx.stc.STC_LEX_CONTAINER) |
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# Global default styles for all languages |
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self.StyleSetSpec(wx.stc.STC_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(wx.stc.STC_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(STC_PLC_WORD, "fore:#00007F,bold,size:%(size)d" % faces) |
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self.StyleSetSpec(STC_PLC_VARIABLE, "fore:#7F0000,size:%(size)d" % faces) |
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self.StyleSetSpec(STC_PLC_FUNCTION, "fore:#7F7F00,size:%(size)d" % faces) |
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self.StyleSetSpec(STC_PLC_COMMENT, "fore:#7F7F7F,size:%(size)d" % faces) |
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self.StyleSetSpec(STC_PLC_NUMBER, "fore:#007F7F,size:%(size)d" % faces) |
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self.StyleSetSpec(STC_PLC_JUMP, "fore:#007F00,size:%(size)d" % faces) |
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# Indicators styles |
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self.IndicatorSetStyle(0, wx.stc.STC_INDIC_SQUIGGLE) |
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if window and controler: |
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self.IndicatorSetForeground(0, wx.RED) |
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else: |
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self.IndicatorSetForeground(0, wx.WHITE) |
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# Line numbers in the margin |
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self.SetMarginType(1, wx.stc.STC_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.ParentWindow = window |
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self.Controler = controler |
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self.SetModEventMask(wx.stc.STC_MOD_BEFOREINSERT|wx.stc.STC_MOD_BEFOREDELETE) |
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self.Bind(wx.stc.EVT_STC_STYLENEEDED, self.OnStyleNeeded, id=ID_TEXTVIEWER) |
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if window and controler: |
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self.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown) |
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self.Bind(wx.stc.EVT_STC_DO_DROP, self.OnDoDrop, id=ID_TEXTVIEWER) |
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self.Bind(wx.EVT_KILL_FOCUS, self.OnKillFocus) |
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self.Bind(wx.stc.EVT_STC_MODIFIED, self.OnModification, id=ID_TEXTVIEWER) |
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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&wx.stc.STC_PERFORMED_UNDO or mod_type&wx.stc.STC_PERFORMED_REDO): |
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if mod_type&wx.stc.STC_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&wx.stc.STC_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: |
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values = eval(event.GetDragText()) |
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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): |
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self.TextSyntax = syntax |
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def SetKeywords(self, keywords): |
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191 |
self.Keywords = [keyword.upper() for keyword in keywords] |
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self.Colourise(0, -1) |
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193 |
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def SetVariables(self, variables): |
|
195 |
self.Variables = [variable.upper() for variable in variables] |
|
196 |
self.Colourise(0, -1) |
|
197 |
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def SetFunctions(self, blocktypes): |
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self.Functions = [] |
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200 |
for category in blocktypes: |
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for blocktype in category["list"]: |
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if blocktype["type"] == "function" and blocktype["name"] not in self.Keywords and blocktype["name"] not in self.Variables: |
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self.Functions.append(blocktype["name"].upper()) |
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self.Colourise(0, -1) |
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206 |
def RefreshJumpList(self): |
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207 |
self.Jumps = [jump.upper() for jump in LABEL_MODEL.findall(self.GetText())] |
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208 |
self.Colourise(0, -1) |
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# Buffer the last model state |
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211 |
def RefreshBuffer(self): |
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212 |
self.Controler.BufferProject() |
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|
213 |
self.ParentWindow.RefreshTitle() |
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214 |
self.ParentWindow.RefreshEditMenu() |
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215 |
|
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216 |
def StartBuffering(self): |
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217 |
self.Controler.StartBuffering() |
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218 |
self.ParentWindow.RefreshTitle() |
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219 |
self.ParentWindow.RefreshEditMenu() |
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|
220 |
|
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221 |
def ResetBuffer(self): |
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|
222 |
if self.CurrentAction != None: |
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223 |
self.Controler.EndBuffering() |
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|
224 |
self.CurrentAction = None |
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225 |
|
27 | 226 |
def RefreshView(self): |
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227 |
self.ResetBuffer() |
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|
228 |
self.DisableEvents = True |
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|
229 |
old_cursor_pos = self.GetCurrentPos() |
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230 |
old_text = self.GetText() |
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231 |
new_text = self.Controler.GetCurrentElementEditingText() |
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232 |
self.SetText(new_text) |
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233 |
new_cursor_pos = GetCursorPos(old_text, new_text) |
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|
234 |
if new_cursor_pos != None: |
80 | 235 |
self.GotoPos(new_cursor_pos) |
236 |
else: |
|
237 |
self.GotoPos(old_cursor_pos) |
|
238 |
self.ScrollToColumn(0) |
|
27 | 239 |
self.RefreshJumpList() |
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240 |
self.EmptyUndoBuffer() |
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241 |
self.DisableEvents = False |
98 | 242 |
|
243 |
def VerifyVariableTypeCompatibility(self): |
|
244 |
pass |
|
245 |
||
27 | 246 |
def OnStyleNeeded(self, event): |
247 |
self.TextChanged = True |
|
248 |
line = self.LineFromPosition(self.GetEndStyled()) |
|
249 |
if line == 0: |
|
250 |
start_pos = 0 |
|
251 |
else: |
|
252 |
start_pos = self.GetLineEndPosition(line - 1) + 1 |
|
253 |
end_pos = event.GetPosition() |
|
254 |
self.StartStyling(start_pos, 0xff) |
|
255 |
||
256 |
i = start_pos |
|
257 |
state = SPACE |
|
258 |
line = "" |
|
259 |
word = "" |
|
260 |
while i < end_pos: |
|
261 |
char = chr(self.GetCharAt(i)).upper() |
|
262 |
line += char |
|
263 |
if char == NEWLINE: |
|
264 |
if state == COMMENT: |
|
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265 |
self.SetStyling(i - start_pos + 1, STC_PLC_COMMENT) |
27 | 266 |
elif state == NUMBER: |
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267 |
self.SetStyling(i - start_pos, STC_PLC_NUMBER) |
27 | 268 |
elif state == WORD: |
269 |
if word in self.Keywords: |
|
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270 |
self.SetStyling(i - start_pos, STC_PLC_WORD) |
27 | 271 |
elif word in self.Variables: |
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272 |
self.SetStyling(i - start_pos, STC_PLC_VARIABLE) |
27 | 273 |
elif word in self.Functions: |
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274 |
self.SetStyling(i - start_pos, STC_PLC_FUNCTION) |
27 | 275 |
elif word in self.Jumps: |
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|
276 |
self.SetStyling(i - start_pos, STC_PLC_JUMP) |
27 | 277 |
else: |
278 |
self.SetStyling(i - start_pos, 31) |
|
279 |
if self.GetCurrentPos() < start_pos or self.GetCurrentPos() > i: |
|
64
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280 |
self.StartStyling(start_pos, wx.stc.STC_INDICS_MASK) |
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|
281 |
self.SetStyling(i - start_pos, wx.stc.STC_INDIC0_MASK) |
27 | 282 |
self.StartStyling(i, 0xff) |
283 |
else: |
|
284 |
self.SetStyling(i - start_pos, 31) |
|
285 |
start_pos = i |
|
286 |
state = SPACE |
|
287 |
line = "" |
|
288 |
elif line.endswith("(*") and state != COMMENT: |
|
289 |
self.SetStyling(i - start_pos - 1, 31) |
|
290 |
start_pos = i |
|
291 |
state = COMMENT |
|
292 |
elif state == COMMENT: |
|
293 |
if line.endswith("*)"): |
|
64
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|
294 |
self.SetStyling(i - start_pos + 2, STC_PLC_COMMENT) |
27 | 295 |
start_pos = i + 1 |
296 |
state = SPACE |
|
297 |
elif char in LETTERS: |
|
298 |
if state == NUMBER: |
|
299 |
word = "#" |
|
300 |
state = WORD |
|
301 |
elif state == SPACE: |
|
302 |
self.SetStyling(i - start_pos, 31) |
|
303 |
word = char |
|
304 |
start_pos = i |
|
305 |
state = WORD |
|
306 |
else: |
|
307 |
word += char |
|
308 |
elif char in NUMBERS or char == '.' and state != WORD: |
|
309 |
if state == SPACE: |
|
310 |
self.SetStyling(i - start_pos, 31) |
|
311 |
start_pos = i |
|
312 |
state = NUMBER |
|
313 |
if state == WORD and char != '.': |
|
314 |
word += char |
|
315 |
else: |
|
316 |
if state == WORD: |
|
317 |
if word in self.Keywords: |
|
64
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|
318 |
self.SetStyling(i - start_pos, STC_PLC_WORD) |
27 | 319 |
elif word in self.Variables: |
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|
320 |
self.SetStyling(i - start_pos, STC_PLC_VARIABLE) |
27 | 321 |
elif word in self.Functions: |
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|
322 |
self.SetStyling(i - start_pos, STC_PLC_FUNCTION) |
27 | 323 |
elif word in self.Jumps: |
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|
324 |
self.SetStyling(i - start_pos, STC_PLC_JUMP) |
27 | 325 |
else: |
326 |
self.SetStyling(i - start_pos, 31) |
|
327 |
if self.GetCurrentPos() < start_pos or self.GetCurrentPos() > i: |
|
64
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|
328 |
self.StartStyling(start_pos, wx.stc.STC_INDICS_MASK) |
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|
329 |
self.SetStyling(i - start_pos, wx.stc.STC_INDIC0_MASK) |
27 | 330 |
self.StartStyling(i, 0xff) |
331 |
word = "" |
|
332 |
start_pos = i |
|
333 |
state = SPACE |
|
334 |
elif state == NUMBER: |
|
64
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|
335 |
self.SetStyling(i - start_pos, STC_PLC_NUMBER) |
27 | 336 |
start_pos = i |
337 |
state = SPACE |
|
338 |
i += 1 |
|
339 |
if state == COMMENT: |
|
64
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|
340 |
self.SetStyling(i - start_pos + 2, STC_PLC_COMMENT) |
27 | 341 |
elif state == NUMBER: |
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|
342 |
self.SetStyling(i - start_pos, STC_PLC_NUMBER) |
27 | 343 |
elif state == WORD: |
344 |
if word in self.Keywords: |
|
64
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|
345 |
self.SetStyling(i - start_pos, STC_PLC_WORD) |
27 | 346 |
elif word in self.Variables: |
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|
347 |
self.SetStyling(i - start_pos, STC_PLC_VARIABLE) |
27 | 348 |
elif word in self.Functions: |
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|
349 |
self.SetStyling(i - start_pos, STC_PLC_FUNCTION) |
27 | 350 |
elif word in self.Jumps: |
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|
351 |
self.SetStyling(i - start_pos, STC_PLC_JUMP) |
27 | 352 |
else: |
353 |
self.SetStyling(i - start_pos, 31) |
|
354 |
else: |
|
355 |
self.SetStyling(i - start_pos, 31) |
|
356 |
event.Skip() |
|
357 |
||
358 |
def Cut(self): |
|
56
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|
359 |
self.ResetBuffer() |
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|
360 |
self.CmdKeyExecute(wx.stc.STC_CMD_CUT) |
56
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|
361 |
self.RefreshBuffer() |
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|
362 |
|
27 | 363 |
def Copy(self): |
64
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|
364 |
self.CmdKeyExecute(wx.stc.STC_CMD_COPY) |
27 | 365 |
|
366 |
def Paste(self): |
|
56
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|
367 |
self.ResetBuffer() |
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|
368 |
self.CmdKeyExecute(wx.stc.STC_CMD_PASTE) |
56
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|
369 |
self.RefreshBuffer() |
27 | 370 |
|
371 |
def RefreshModel(self): |
|
372 |
if self.TextChanged: |
|
373 |
self.RefreshJumpList() |
|
374 |
self.Controler.SetCurrentElementEditingText(self.GetText()) |
|
375 |
||
376 |
def OnKeyDown(self, event): |
|
377 |
if self.CallTipActive(): |
|
378 |
self.CallTipCancel() |
|
379 |
key = event.KeyCode() |
|
380 |
||
381 |
# Code completion |
|
64
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|
382 |
if key == wx.WXK_SPACE and event.ControlDown(): |
27 | 383 |
|
384 |
line = self.GetCurrentLine() |
|
385 |
if line == 0: |
|
386 |
start_pos = 0 |
|
387 |
else: |
|
388 |
start_pos = self.GetLineEndPosition(line - 1) + 1 |
|
389 |
end_pos = self.GetCurrentPos() |
|
390 |
||
391 |
lineText = self.GetTextRange(start_pos, end_pos).replace("\t", " ") |
|
392 |
words = lineText.split(" ") |
|
393 |
words = [word for i, word in enumerate(words) if word != '' or i == len(words) - 1] |
|
394 |
||
395 |
kw = [] |
|
396 |
||
397 |
if self.TextSyntax == "IL": |
|
398 |
if len(words) == 1: |
|
399 |
kw = self.Keywords |
|
400 |
elif len(words) == 2: |
|
401 |
if words[0].upper() in ["CAL", "CALC", "CALNC"]: |
|
402 |
kw = self.Functions |
|
403 |
elif words[0].upper() in ["JMP", "JMPC", "JMPNC"]: |
|
404 |
kw = self.Jumps |
|
405 |
else: |
|
406 |
kw = self.Variables |
|
407 |
else: |
|
408 |
kw = self.Keywords + self.Variables + self.Functions |
|
409 |
if len(kw) > 0: |
|
410 |
kw.sort() |
|
411 |
self.AutoCompSetIgnoreCase(True) |
|
412 |
self.AutoCompShow(len(words[-1]), " ".join(kw)) |
|
413 |
else: |
|
414 |
self.TextChanged = False |
|
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|
415 |
wx.CallAfter(self.RefreshModel) |
27 | 416 |
event.Skip() |
417 |
||
418 |
def OnKillFocus(self, event): |
|
419 |
self.AutoCompCancel() |
|
420 |
event.Skip() |
|
421 |