root/branch/twedit/LanguageManager.py

"""
 Need to add more languages
"""
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.Qsci import *
import PyQt4.Qsci
                
from PyQt4 import QtCore, QtGui
from Messaging import stdMsg, dbgMsg, errMsg, dbgMsg

class LanguageManager:

    def __init__(self,_editorWindow):
        self.editorWindow=_editorWindow
        self.actionDict={}
        self.languageMapper = QSignalMapper(self.editorWindow)
        self.editorWindow.connect(self.languageMapper,SIGNAL("mapped(const QString&)"),  self.selectLexer) 
        
        self.actionChecked=None
        # format [lexer,begin comment, end comment, brace matching (0- nor matching, 1 matching), codeFolding]
        self.languageLexerDictionary={
        "Bash":[QsciLexerBash(),"# ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Batch":[QsciLexerBash(),"REM ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "C":[QsciLexerCPP(),"// ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "C#":[QsciLexerCSharp(),"// ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "CSS":[QsciLexerCSS(),"/* "," */",1,5,QsciScintilla.SCWS_INVISIBLE],
        "D":[QsciLexerD(),"// ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Diff":[QsciLexerDiff(),None,None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Python":[QsciLexerPython(),"# ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "CMake":[QsciLexerCMake(),"# ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Fortran":[QsciLexerFortran(),"! ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Fortran77":[QsciLexerFortran77(),"c ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "HTML":[QsciLexerHTML(),"<!-- "," -->",1,5,QsciScintilla.SCWS_INVISIBLE],
        "Java":[QsciLexerJava(),"// ", None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "JavaScript":[QsciLexerJavaScript(),"// ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Lua":[QsciLexerLua(),"-- ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Makefile":[QsciLexerMakefile(),"# ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Pascal":[QsciLexerPascal(),"{ "," }",1,5,QsciScintilla.SCWS_INVISIBLE],        
        "Perl":[QsciLexerPerl(),"# ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "PostScript":[QsciLexerPostScript(),"% ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Properties":[QsciLexerProperties(),"; ",None,1,5,QsciScintilla.SCWS_INVISIBLE],        
        "POV":[QsciLexerPOV(),"// ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Spice":[QsciLexerSpice(),"* ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "SQL":[QsciLexerSQL(),"/* "," */",1,5,QsciScintilla.SCWS_INVISIBLE],
        "Ruby":[QsciLexerRuby(),"# ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "TCL":[QsciLexerTCL(),"# ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "Verilog":[QsciLexerVerilog(),"// ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "VHDL":[QsciLexerVHDL(),"-- ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "TeX":[QsciLexerTeX(),"# ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        "XML":[QsciLexerXML(),"<!-- "," -->",1,5,QsciScintilla.SCWS_INVISIBLE],
        "YML":[QsciLexerYAML(),"# ",None,1,5,QsciScintilla.SCWS_INVISIBLE],
        }
        self.lDict={"XML":QsciLexerXML()}
        
    def createActions(self):
        keys=self.languageLexerDictionary.keys()
        keys.sort()
        for key in keys:
            action=self.editorWindow.languageMenu.addAction(key)
            self.actionDict[key]=action
            action.setCheckable(True)
            self.editorWindow.connect(action,SIGNAL("triggered()"),self.languageMapper,SLOT("map()"))
            self.languageMapper.setMapping(action, key)
            # self.actionDict[key]=QtGui.QAction(key, self, shortcut="",
                # statusTip=key, triggered=self.increaseIndent)
    def selectLexer(self,_language):
        print "selecting language ", _language
        if self.actionChecked:
            self.actionChecked.setChecked(False)
            self.actionDict[str(_language)].setChecked(True)
            self.actionChecked=self.actionDict[str(_language)]
        else:
            self.actionDict[str(_language)].setChecked(True)
            self.actionChecked=self.actionDict[str(_language)]
            
        #setting Lexer 
        editor=self.editorWindow.editTab.currentWidget()
        editor.setLexer(self.languageLexerDictionary[str(_language)][0])
        # print "commentStyle=",self.languageLexerDictionary[str(_language)][1:3]
        self.editorWindow.commentStyleDict[editor]= self.languageLexerDictionary[str(_language)][1:3]