google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS前月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS当月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['1日',null,null,null,174,null,null,91,null,null,174,null,null],
['2日',null,null,null,208,null,null,134,null,null,null,null,null],
['3日',178,null,null,227,null,null,178,null,null,null,null,null],
['4日',221,null,null,298,null,null,null,null,null,null,null,null],
['5日',201,null,null,296,null,null,null,null,null,null,null,null],
['6日',215,null,null,318,null,null,null,null,null,null,null,null],
['7日',227,null,null,394,null,null,null,null,null,null,null,null],
['8日',235,null,null,390,null,null,null,null,null,null,null,null],
['9日',221,null,null,499,null,null,null,null,null,null,null,null],
['10日',230,null,null,470,null,null,null,null,null,null,null,null],
['11日',257,null,null,490,null,null,null,null,null,null,null,null],
['12日',319,null,null,498,null,null,null,null,null,null,null,null],
['13日',444,null,null,630,'UP!','伝説の演奏家スカウト 土浦梁太郎＜１回目＞: 10/13 → 10/20',null,null,null,null,null,null],
['14日',632,'UP!','星奏学院 ピックアップ＜１回目＞: 09/14 → 09/15',195,null,null,null,null,null,195,null,null],
['15日',795,'UP!','常陽工業 ピックアップ＜１回目＞: 09/15 → 09/16',290,null,null,null,null,null,null,null,null],
['16日',822,'UP!',' シルフ芸術アカデミー ピックアップ＜１回目＞: 09/16 → 09/17',395,null,null,null,null,null,null,null,null],
['17日',603,'UP!','三上蒼司バースデー: 09/17 → 09/24',496,null,null,null,null,null,null,null,null],
['18日',178,null,null,473,null,null,178,'UP!','南 乙音ピックアップ＜１回目＞: 09/18 → 09/19',null,null,null],
['19日',475,'UP!','鷲上源一郎ピックアップ＜１回目＞: 09/19 → 09/20',466,null,null,null,null,null,null,null,null],
['20日',69,null,null,444,null,null,69,'UP!','ラザルス ピックアップ＜１回目＞: 09/20 → 09/21',null,null,null],
['21日',122,null,null,366,null,null,122,'UP!','恒常 ピックアップ＜２回目＞: 09/21 → 09/24',null,null,null],
['22日',330,null,null,499,'UP!','音速のハロウィンキング: 10/22 → 11/04',null,null,null,null,null,null],
['23日',482,null,null,178,null,null,null,null,null,178,null,null],
['24日',562,null,null,null,null,null,null,null,null,193,null,null],
['25日',555,null,null,180,null,null,null,null,null,180,null,null],
['26日',454,null,null,255,null,null,null,null,null,null,null,null],
['27日',313,null,null,307,null,null,null,null,null,null,null,null],
['28日',201,'UP!','御門浮葉バースデー: 09/28 → 10/05',351,null,null,null,null,null,null,null,null],
['29日',157,null,null,372,'UP!','九条朔夜バースデー: 10/29 → 11/05',157,null,null,null,null,null],
['30日',201,'UP!','間奏曲 飴色の追憶: 09/30 → 10/13',230,null,null,null,null,null,null,null,null],
['31日',null,null,null,294,null,null,null,null,null,null,null,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { title:'2021年10月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:900},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['skyblue','pink','#2980b9','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=31 -1 ;
  var lastlogcat=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});