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,417,'EV','新世界フェス第2弾: 12/01 → 12/07',381,'EV','ベニガサが登場！ヒロイックフェス: 01/01 → 01/13'],
['2日',null,null,null,null,null,null,223,null,null,413,null,null],
['3日',null,null,null,null,null,null,249,null,null,417,null,null],
['4日',null,null,null,null,null,null,313,null,null,475,null,null],
['5日',null,null,null,null,null,null,404,null,null,513,null,null],
['6日',null,null,null,null,null,null,351,null,null,524,'EV','【復刻】九領レジェンドフェス: 01/06 → 01/13'],
['7日',null,null,null,null,null,null,268,'EV','幻獣の世界《柘榴獣》登場フェス: 12/07 → 12/15',438,null,null],
['8日',null,null,null,null,null,null,187,null,null,517,null,null],
['9日',null,null,null,null,null,null,280,null,null,620,null,null],
['10日',null,null,null,null,null,null,403,'EV','【復刻】精霊島レジェンドフェス: 12/10 → 12/15',577,null,null],
['11日',null,null,null,null,null,null,450,null,null,621,null,null],
['12日',null,null,null,null,null,null,579,null,null,508,null,null],
['13日',null,null,null,null,null,null,602,null,null,436,'EV','敵意の魔神討伐支援フェス: 01/13 → 01/21'],
['14日',null,null,null,null,null,null,587,null,null,287,null,null],
['15日',null,null,null,null,null,null,629,'EV','『魔法科高校の劣等生 来訪者編』コラボフェス: 12/15 → 12/29',368,null,null],
['16日',null,null,null,null,null,null,181,null,null,482,null,null],
['17日',null,null,null,null,null,null,282,null,null,656,'EV','【復刻】ドラマチックバディフェス: 01/17 → 01/21'],
['18日',null,null,null,null,null,null,400,null,null,634,null,null],
['19日',null,null,null,null,null,null,457,'EV','踏破型イベント「迷子のエンヴィと聖夜の旅人」支援フェス: 12/19 → 12/25',785,null,null],
['20日',null,null,null,null,null,null,215,null,null,853,null,null],
['21日',null,null,null,null,null,null,247,null,null,693,'EV','ヴィランフェス: 01/21 → 01/29'],
['22日',null,null,null,null,null,null,373,'EV','【復刻】聖夜衣装フェス: 12/22 → 12/25',272,null,null],
['23日',null,null,null,null,null,null,430,null,null,364,null,null],
['24日',null,null,null,null,null,null,474,null,null,464,null,null],
['25日',null,null,null,null,null,null,521,'EV','「幻獣の世界 中篇」配信記念！新世界フェス: 12/25 → 01/13',497,null,null],
['26日',null,null,null,null,null,null,277,null,null,602,null,null],
['27日',null,null,null,null,null,null,327,null,null,699,null,null],
['28日',null,null,null,null,null,null,339,null,null,723,null,null],
['29日',null,null,null,null,null,null,454,'EV','年末年始【復刻】グランド＆レジェンドフェス: 12/29 → 01/06',658,'EV','「幻獣の世界 後篇」配信記念！新世界フェス: 01/29 → 02/09'],
['30日',null,null,null,null,null,null,238,null,null,184,null,null],
['31日',null,null,null,null,null,null,288,null,null,207,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1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=10;

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

});