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,235,'UP!','オールスターレジェンドフェス: 01/01 → 01/08',461,'UP!','【復刻】罪の大陸レジェンドフェス: 02/01 → 02/05'],
['2日',null,null,null,null,null,null,316,null,null,375,null,null],
['3日',null,null,null,null,null,null,316,null,null,389,null,null],
['4日',null,null,null,null,null,null,356,null,null,395,null,null],
['5日',null,null,null,null,null,null,353,null,null,376,'UP!','ライバルフェス: 02/05 → 02/13'],
['6日',null,null,null,null,null,null,351,null,null,270,'UP!','【復刻】初心者歓迎！精霊島フェス: 02/06 → 02/13'],
['7日',null,null,null,null,null,null,406,null,null,355,null,null],
['8日',null,null,null,null,null,null,418,'UP!','メダルハントイベント「ケ者のネンシマイリ」支援フェス: 01/08 → 01/15',519,null,null],
['9日',null,null,null,null,null,null,269,null,null,646,null,null],
['10日',null,null,null,null,null,null,339,null,null,588,null,null],
['11日',null,null,null,null,null,null,496,null,null,757,null,null],
['12日',null,null,null,null,null,null,513,null,null,635,null,null],
['13日',null,null,null,null,null,null,476,null,null,676,'UP!','踏破型イベント「ツル姫の『愛は九領を救う』？」支援フェス: 02/13 → 02/21'],
['14日',null,null,null,null,null,null,424,null,null,136,null,null],
['15日',null,null,null,null,null,null,325,'UP!','五芒星の魔神討伐支援フェス: 01/15 → 01/23',220,null,null],
['16日',null,null,null,null,null,null,245,null,null,271,null,null],
['17日',null,null,null,null,null,null,397,null,null,335,null,null],
['18日',null,null,null,null,null,null,567,'UP!','【復刻】聖都レジェンドフェス: 01/18 → 01/23',500,null,null],
['19日',null,null,null,null,null,null,501,null,null,488,null,null],
['20日',null,null,null,null,null,null,604,null,null,500,null,null],
['21日',null,null,null,null,null,null,607,null,null,596,'UP!','グランドフェス: 02/21 → 03/05'],
['22日',null,null,null,null,null,null,728,null,null,120,null,null],
['23日',null,null,null,null,null,null,771,'UP!','『とある科学の超電磁砲T』×『チェインクロニクル』コラボフェス: 01/23 → 02/04',164,null,null],
['24日',null,null,null,null,null,null,180,null,null,214,'UP!','【復刻】精霊島レジェンドフェス: 02/24 → 02/28'],
['25日',null,null,null,null,null,null,244,null,null,245,null,null],
['26日',null,null,null,null,null,null,294,null,null,315,null,null],
['27日',null,null,null,null,null,null,322,null,null,350,'UP!','レジェンドフェス: 02/27 → 03/05'],
['28日',null,null,null,null,null,null,353,'UP!','レジェンドフェス: 01/28 → 02/05',190,null,null],
['29日',null,null,null,null,null,null,179,null,null,236,'UP!','【復刻】24時間限定！うるうフェス: 02/29 → 02/29'],
['30日',null,null,null,null,null,null,228,null,null,null,null,null],
['31日',null,null,null,null,null,null,243,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:'2020年2月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:800},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=29 -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)
      }
    });
  }

});