# -*- coding: ISO-8859-1 -*-
""" capellaScript -- Copyright (c) 2007 Peter Becker
>>> Pausen expandieren
    Dieses Script expandiert Mehrtakt Pausen nach Ganztaktpausen.||
    Bei Problemen bitte eine Mail an peter_becker@freenet.de
<<<
"""
# 11.04.2007  Erste Version
# 30.10.2007  Absturz wenn Kirchenpause ohne Taktzahl behoben


import xml.dom, tempfile
from caplib.capDOM import ScoreChange

class PausenExpander(ScoreChange):
    
    def changeScore(self, score):
        changeDoc(score)
        
def changeDoc(score):
    global pausenTyp, zifferPos, zusammenTyp, useMulti, taktstrich

    restCnt = 0
    actKey  = '0'
    dispNum = 0
    grafischeMehrtaktPausen = '21793-1'                         #Pauls grafische Mehrtaktpausen

    for rest in score.getElementsByTagName('rest'):             #falls vorhanden, grafische Mehrtaktpausen löschen
        for basic in rest.getElementsByTagName('basic'):
            if basic.hasAttributes and basic.getAttribute('tag') == grafischeMehrtaktPausen:
                displays = rest.getElementsByTagName('display')
                display = displays[0]
                display.removeAttribute('invisible')
                x = basic.parentNode.parentNode.removeChild(basic.parentNode)
  
    for voice in score.getElementsByTagName('voice'):
        noteObjects = voice.getElementsByTagName('noteObjects') 
        zeilenAnfang = True

        for child in noteObjects[0].childNodes:
            if child.nodeType == child.ELEMENT_NODE:
                if child.tagName == 'rest':
                    duration = child.getElementsByTagName('duration')[0]
                    wert = duration.getAttribute('base')
                    ganztakt = wert.find('/')
                    if ganztakt == -1:   #1/4, 1/2 etc ausfiltern                               
                        wert = int(duration.getAttribute('base'))
                        if wert > 1:
                            display  = child.getElementsByTagName('display')[0]
                            duration.setAttribute('base','1')
                            display.setAttribute('churchStyle','true')
                            if display.hasAttribute('number'): display.removeAttribute('number')
                            wert = wert -1
                            while wert <> 0:
                                rest    = duration.parentNode.cloneNode(0)
                                durat   = score.parentNode.createElement('duration')
                                durat.setAttribute('base','1')
                                display = score.parentNode.createElement('display')
                                display.setAttribute('churchStyle','true')
                                rest.appendChild(durat)
                                rest.appendChild(display) 
                                duration.parentNode.parentNode.insertBefore(rest,duration.parentNode.nextSibling)
                                wert = wert -1

# Hauptprogramm:

if activeScore():
    activeScore().registerUndo("Pausen expandieren")
    tempInput = tempfile.mktemp('.capx')
    tempOutput = tempfile.mktemp('.capx')
    activeScore().write(tempInput)

    PausenExpander(tempInput, tempOutput)

    activeScore().read(tempOutput)
    os.remove(tempInput)
    os.remove(tempOutput)