autoFormat.qml

import QtQuick 2.0
import MuseScore 3.0

MuseScore {
  menuPath: "Plugins.autoFormat"
  description: "Auto format scores for carnival."
  version: "1.0"

  property var step: 0.1
  property var nPages: 1

  function setStyle(score)
  {
    var style = score.style
    score.startCmd()
    // A4 landscape
    style.setValue("pageWidth", 11.6902)
    style.setValue("pageHeight", 6.69291)
    style.setValue("pagePrintableWidth", 11.2965)
    style.setValue("staffLowerBorder", 4)


    // Margin - 5mm and 0 in bottom
    style.setValue("pageTwosided", true)
    style.setValue("pageOddLeftMargin", 0.19685039370078738)
    style.setValue("pageOddTopMargin", 0.19685039370078738)
    style.setValue("pageOddBottomMargin", 0)
    style.setValue("pageEvenLeftMargin", 0.19685039370078738)
    style.setValue("pageEvenTopMargin", 0.19685039370078738)
    style.setValue("midClefKeyRightMargin", 1)
    style.setValue("clefKeyRightMargin", 0.8)
    style.setValue("pageEvenBottomMargin", 0)
    style.setValue("enableIndentationOnFirstSystem", 0)
    score.endCmd()
  }

  function log(msg) {
		if (true) {
			console.log(msg);
		}
	}

   function inspect(item) {
     console.log(item)
      for (var p in item) {
         if (typeof item[p] != "function")
            if (p != "objectName")
               console.error(p + ":" + item[p]);
      }	}

  function cleanTextBox(){
    cmd('select-all')
    cmd('append-vbox')
    cmd('last-element')
    cmd('next-element')
    cmd('select-similar')
    cmd('delete')
  }

  function setSpatium(score, value){
    var style = score.style
    score.startCmd()
    style.setValue("spatium", value)
    score.endCmd()
  }

  function adjustSpatium(score){
    var start = 55
    var current = start
    setSpatium(score, start)
    while(score.npages > nPages){
      setSpatium(score, current - step)
      current -= step
    }
  }

  function setLeadingSpace(score,value){
    var segment = score.firstSegment();
    score.startCmd()
    while (segment) {
      segment.leadingSpace = value
      segment = segment.next
    }
    score.endCmd()
  }

  function adjustLeadingSpace(score){
    var start = 0.5
    var current = start
    var step = 0.05
    setLeadingSpace(score,start)
    while(score.npages > nPages){
      setLeadingSpace(score, current - step)
      current -= step
    }
  }

  onRun: {
    cleanTextBox()
    // for(var i = 0; i < curScore.excerpts.length; i++){
    //   var score = curScore.excerpts[i].partScore
    //   if(score){
    //     setStyle(score)
    //     adjustSpatium(score)
    //     adjustLeadingSpace(curScore)
    //   }
    // }
    setStyle(curScore)
    adjustSpatium(curScore)
    adjustLeadingSpace(curScore)
    Qt.quit()
  }
}