###############################################################################
## Inserts right side bracket and quotation automatically.
## By: Allen Dang

import pn, pypn.glue
import scintilla
from pypn.decorators import script

mirrorChars = ('\'', '"', '(', '[')

oldonCharAdded = pypn.glue.onCharAdded

def onCharAdded(c, doc):
    """ Inserts right side bracket and quotation automatically. """
    oldonCharAdded(c, doc)

    editor = scintilla.Scintilla(pn.CurrentDoc())

    if (c in mirrorChars):
        pos = editor.CurrentPos
        leftChar = editor.GetTextRange(pos - 2, pos - 1)
        
        if (c == '\'' or c == '"'):
            if (leftChar != c):
                editor.AddText(1, c)
                editor.CharLeft()
        elif (c == '('):
            editor.AddText(1, ')')
            editor.CharLeft()
        elif (c == '['):
            editor.AddText(1, ']')
            editor.CharLeft()

pypn.glue.onCharAdded = onCharAdded