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,343,null,null,207,null,null],
['2日',null,null,null,null,null,null,464,null,null,385,'UP!','新世界フェス 第2弾: 04/02 → 04/15'],
['3日',null,null,null,null,null,null,489,null,null,225,null,null],
['4日',null,null,null,null,null,null,416,'EV','「ログ・ホライズン 円卓崩壊」コラボフェス: 03/04 → 03/16',260,null,null],
['5日',null,null,null,null,null,null,228,null,null,330,null,null],
['6日',null,null,null,null,null,null,301,null,null,391,null,null],
['7日',null,null,null,null,null,null,353,null,null,412,null,null],
['8日',null,null,null,null,null,null,384,null,null,421,'UP!','謀略の世界《ネゴシエーター》登場フェス: 04/08 → 04/15'],
['9日',null,null,null,null,null,null,516,null,null,216,null,null],
['10日',null,null,null,null,null,null,619,null,null,277,null,null],
['11日',null,null,null,null,null,null,625,null,null,321,null,null],
['12日',null,null,null,null,null,null,566,'EV','【復刻】白き愛の日記念！グランド＆レジェンドフェス: 03/12 → 03/19',386,null,null],
['13日',null,null,null,null,null,null,423,null,null,378,null,null],
['14日',null,null,null,null,null,null,532,null,null,392,null,null],
['15日',null,null,null,null,null,null,463,null,null,404,'UP!','「アゼロ」が登場！蘇る激闘の記憶 ヴィランフェス: 04/15 → 04/21'],
['16日',null,null,null,null,null,null,544,'EV',' 大狩猟戦イベント支援フェス: 03/16 → 03/23',298,null,null],
['17日',null,null,null,null,null,null,319,null,null,429,null,null],
['18日',null,null,null,null,null,null,375,null,null,544,'UP!','【復刻】精霊島レジェンドフェス: 04/18 → 04/28'],
['19日',null,null,null,null,null,null,557,'EV','「ヴァレリオ」が登場！レジェンドフェス　〈罪の大陸〉セレクション: 03/19 → 03/23',661,null,null],
['20日',null,null,null,null,null,null,288,null,null,838,null,null],
['21日',null,null,null,null,null,null,356,null,null,653,null,null],
['22日',null,null,null,null,null,null,451,null,null,153,null,null],
['23日',null,null,null,null,null,null,513,'EV','罪の大陸の英傑グランドフェス: 03/23 → 03/30',255,null,null],
['24日',null,null,null,null,null,null,164,'UP!','第4部開始100日突破記念フェス: 03/24 → 04/07',394,null,null],
['25日',null,null,null,null,null,null,219,null,null,502,null,null],
['26日',null,null,null,null,null,null,316,null,null,664,null,null],
['27日',null,null,null,null,null,null,446,null,null,733,null,null],
['28日',null,null,null,null,null,null,427,null,null,840,null,null],
['29日',null,null,null,null,null,null,436,null,null,241,null,null],
['30日',null,null,null,null,null,null,403,null,null,334,null,null],
['31日',null,null,null,null,null,null,134,'UP!','新世界フェス 第1弾: 03/31 → 04/15',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4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=10;

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

});