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# helper function
def getNewString( theString ) :
    if( not theString or len(theString) ==0) :
        return ""
    # should we tokenize on "."?
    if theString[0].isupper() and len(theString)>=2 and theString[1].isupper() :
        # first two chars are UC => first UC, rest LC
        newString=theString[0:1].upper() + theString[1:].lower();
    elif theString[0].isupper():
        # first char UC => all to LC
        newString=theString.lower()
    else: # all to UC.
        newString=theString.upper()
    return newString;

def capitalisePython( ):
    """Change the case of a selection, or current word from upper case, to first char upper case, to all lower case to upper case..."""
    import string

    # The context variable is of type XScriptContext and is available to
    # all BeanShell scripts executed by the Script Framework
    xModel = XSCRIPTCONTEXT.getDocument()

    #the writer controller impl supports the css.view.XSelectionSupplier interface
    xSelectionSupplier = xModel.getCurrentController()

    #see section 7.5.1 of developers' guide
    xIndexAccess = xSelectionSupplier.getSelection()
    count = xIndexAccess.getCount();
    if(count>=1):  #ie we have a selection
        i=0
        while i < count :
            xTextRange = xIndexAccess.getByIndex(i);
            #print "string: " + xTextRange.getString();
            theString = xTextRange.getString();
            if len(theString)==0 :
                # sadly we can have a selection where nothing is selected
                # in this case we get the XWordCursor and make a selection!
                xText = xTextRange.getText();
                xWordCursor = xText.createTextCursorByRange(xTextRange);
                if not xWordCursor.isStartOfWord():
                    xWordCursor.gotoStartOfWord(False);
                xWordCursor.gotoNextWord(True);
                theString = xWordCursor.getString();
                newString = getNewString(theString);
                if newString :
                    xWordCursor.setString(newString);
                    xSelectionSupplier.select(xWordCursor);
            else :

                newString = getNewString( theString );
                if newString:
                    xTextRange.setString(newString);
                    xSelectionSupplier.select(xTextRange);
            i+= 1


# lists the scripts, that shall be visible inside OOo. Can be omitted, if
# all functions shall be visible, however here getNewString shall be suppressed
g_exportedScripts = capitalisePython,