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,null,null,null,641,null,null,91,null,null],
['2日',null,null,null,null,null,null,390,'UP!','仁科諒介ピックアップ: 08/02 → 08/07',134,null,null],
['3日',null,null,null,178,null,null,253,null,null,178,null,null],
['4日',null,null,null,221,null,null,328,null,null,null,null,null],
['5日',null,null,null,201,null,null,442,null,null,null,null,null],
['6日',null,null,null,215,null,null,586,null,null,null,null,null],
['7日',null,null,null,227,null,null,596,'UP!','笹塚 創ピックアップ: 08/07 → 08/12',null,null,null],
['8日',null,null,null,235,null,null,218,null,null,null,null,null],
['9日',null,null,null,221,null,null,301,null,null,null,null,null],
['10日',null,null,null,230,null,null,427,null,null,null,null,null],
['11日',null,null,null,257,null,null,498,null,null,null,null,null],
['12日',null,null,null,319,null,null,517,'UP!','SPLASH！ サマー・サバイバル: 08/12 → 08/23',null,null,null],
['13日',null,null,null,444,null,null,81,null,null,null,null,null],
['14日',null,null,null,632,'UP!','星奏学院 ピックアップ＜１回目＞: 09/14 → 09/15',125,null,null,null,null,null],
['15日',null,null,null,795,'UP!','常陽工業 ピックアップ＜１回目＞: 09/15 → 09/16',169,null,null,null,null,null],
['16日',null,null,null,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',247,null,null,null,null,null],
['17日',null,null,null,603,'UP!','三上蒼司バースデー: 09/17 → 09/24',352,null,null,null,null,null],
['18日',null,null,null,178,null,null,417,null,null,178,'UP!','南 乙音ピックアップ＜１回目＞: 09/18 → 09/19'],
['19日',null,null,null,475,'UP!','鷲上源一郎ピックアップ＜１回目＞: 09/19 → 09/20',423,'UP!','伝説の演奏家 如月響也＜第２回＞: 08/19 → 08/24',null,null,null],
['20日',null,null,null,69,null,null,345,null,null,69,'UP!','ラザルス ピックアップ＜１回目＞: 09/20 → 09/21'],
['21日',null,null,null,122,null,null,335,null,null,122,'UP!','恒常 ピックアップ＜２回目＞: 09/21 → 09/24'],
['22日',null,null,null,330,null,null,409,null,null,null,null,null],
['23日',null,null,null,482,null,null,491,null,null,null,null,null],
['24日',null,null,null,562,null,null,432,'UP!','ハーフアニバーサリー記念: 08/24 → 08/30',null,null,null],
['25日',null,null,null,555,null,null,31,null,null,null,null,null],
['26日',null,null,null,454,null,null,60,null,null,null,null,null],
['27日',null,null,null,313,null,null,121,null,null,null,null,null],
['28日',null,null,null,201,'UP!','御門浮葉バースデー: 09/28 → 10/05',209,'UP!','鷲上源一郎バースデー: 08/28 → 09/04',null,null,null],
['29日',null,null,null,157,null,null,129,null,null,157,null,null],
['30日',null,null,null,201,'UP!','間奏曲 飴色の追憶: 09/30 → 10/13',156,null,null,null,null,null],
['31日',null,null,null,null,null,null,158,'UP!','組曲 禁断のレチタティーヴォ: 08/31 → 09/13',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9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=30 -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)
      }
    });
  }

});