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,336,null,null,304,null,null],
['2日',null,null,null,null,null,null,397,null,null,288,null,null],
['3日',null,null,null,null,null,null,518,null,null,302,null,null],
['4日',null,null,null,null,null,null,662,null,null,362,null,null],
['5日',null,null,null,null,null,null,538,'EV','体力測定 タテゴトアザラシ編: 02/05 → 02/19',407,'EV','セルリアン大掃除(12回目): 03/05 → 03/12'],
['6日',null,null,null,null,null,null,227,'UP!','すぺしゃるWぴっくあっぷしょうたい: 02/06 → 02/07',340,'UP!','すぺしゃるWぴっくあっぷしょうたい: 03/06 → 03/07'],
['7日',null,null,null,null,null,null,295,null,null,400,null,null],
['8日',null,null,null,null,null,null,398,null,null,415,null,null],
['9日',null,null,null,null,null,null,468,null,null,442,null,null],
['10日',null,null,null,null,null,null,544,null,null,539,null,null],
['11日',null,null,null,null,null,null,568,null,null,491,null,null],
['12日',null,null,null,null,null,null,566,'UP!','新章公開記念しょうたい: 02/12 → 02/19',511,'EV','想い伝われ！ありがとうパーティー！: 03/12 → 03/25'],
['13日',null,null,null,null,null,null,241,'UP!','すぺしゃるL♡Lベアーズぴっくあっぷしょうたい: 02/13 → 02/14',252,'UP!','すぺしゃるWぴっくあっぷしょうたい: 03/13 → 03/14'],
['14日',null,null,null,null,null,null,276,null,null,189,null,null],
['15日',null,null,null,null,null,null,302,null,null,252,null,null],
['16日',null,null,null,null,null,null,409,null,null,342,null,null],
['17日',null,null,null,null,null,null,429,null,null,410,null,null],
['18日',null,null,null,null,null,null,518,null,null,413,null,null],
['19日',null,null,null,null,null,null,536,'EV','セルリアン大掃除(11回目): 02/19 → 02/26',489,'UP!','1.5周年記念セーバルすてっぷあっぷしょうたい: 03/19 → 03/25'],
['20日',null,null,null,null,null,null,220,'UP!','すぺしゃるWぴっくあっぷしょうたい: 02/20 → 02/21',178,'UP!','すぺしゃるWぴっくあっぷしょうたい: 03/20 → 03/21'],
['21日',null,null,null,null,null,null,276,null,null,205,null,null],
['22日',null,null,null,null,null,null,405,null,null,268,'UP!','1.5周年記念すてっぷあっぷしょうたい: 03/22 → 04/05'],
['23日',null,null,null,null,null,null,606,null,null,322,null,null],
['24日',null,null,null,null,null,null,618,'EV','野生大解放チャレンジ アルパカ・ワカイヤ編: 02/24 → 03/01',332,null,null],
['25日',null,null,null,null,null,null,614,null,null,316,'EV','ジャパリパーク立ち入り禁止区域・解除開始(7回目): 03/25 → 04/01'],
['26日',null,null,null,null,null,null,667,'EV','風の迷子と燃ゆる羽: 02/26 → 03/12',132,null,null],
['27日',null,null,null,null,null,null,135,'UP!','すぺしゃるWぴっくあっぷしょうたい: 02/27 → 02/28',172,'UP!','すぺしゃるWぴっくあっぷしょうたい: 03/27 → 03/28'],
['28日',null,null,null,null,null,null,181,null,null,247,null,null],
['29日',null,null,null,null,null,null,null,null,null,357,null,null],
['30日',null,null,null,null,null,null,null,null,null,346,null,null],
['31日',null,null,null,null,null,null,null,null,null,383,'EV','みんなで仲良くお花見タイム！: 03/31 → 04/07']
        ]);
  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3月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:700},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=10;

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

});