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,160,null,null,321,'EV','迎春！フレンズかくし芸大会！: 01/01 → 01/09'],
['2日',null,null,null,null,null,null,177,null,null,215,null,null],
['3日',null,null,null,null,null,null,211,null,null,211,null,null],
['4日',null,null,null,null,null,null,314,null,null,267,'UP!','すぺしゃるぴっくあっぷ: 01/04 → 01/05'],
['5日',null,null,null,null,null,null,422,'EV','体力測定 アイアイ編: 12/05 → 12/13',223,null,null],
['6日',null,null,null,null,null,null,180,null,null,290,null,null],
['7日',null,null,null,null,null,null,219,null,null,331,null,null],
['8日',null,null,null,null,null,null,340,null,null,376,null,null],
['9日',null,null,null,null,null,null,393,null,null,331,'EV','メインストーリー5章（時のしずくドロップイベント）: 01/09 → 01/16'],
['10日',null,null,null,null,null,null,502,null,null,174,null,null],
['11日',null,null,null,null,null,null,387,null,null,201,'UP!','すぺしゃるぴっくあっぷしょうたい: 01/11 → 01/13'],
['12日',null,null,null,null,null,null,468,null,null,262,null,null],
['13日',null,null,null,null,null,null,593,'EV','星を探そう！キラキラ輝くクリスマス: 12/13 → 12/25',379,null,null],
['14日',null,null,null,null,null,null,123,'UP!','すぺしゃるWぴっくあっぷしょうたい: 12/14 → 12/15',408,null,null],
['15日',null,null,null,null,null,null,92,null,null,434,null,null],
['16日',null,null,null,null,null,null,129,null,null,482,'EV','体力測定 デグー編: 01/16 → 01/23'],
['17日',null,null,null,null,null,null,192,null,null,208,null,null],
['18日',null,null,null,null,null,null,249,'UP!','星を探そう！キラキラ輝くクリスマスしょうたい(後半): 12/18 → 12/25',289,'UP!','すぺしゃるWぴっくあっぷしょうたい: 01/18 → 01/19'],
['19日',null,null,null,null,null,null,101,null,null,204,null,null],
['20日',null,null,null,null,null,null,145,null,null,284,null,null],
['21日',null,null,null,null,null,null,242,'UP!','すぺしゃるぴっくあっぷしょうたい: 12/21 → 12/22',424,null,null],
['22日',null,null,null,null,null,null,255,null,null,592,null,null],
['23日',null,null,null,null,null,null,263,null,null,668,'EV','セルリアン大掃除(4回目): 01/23 → 01/31'],
['24日',null,null,null,null,null,null,269,null,null,134,null,null],
['25日',null,null,null,null,null,null,327,'EV','年末セルリアン大掃除: 12/25 → 12/31',163,'UP!','すぺしゃるぴっくあっぷしょうたい: 01/25 → 01/26'],
['26日',null,null,null,null,null,null,71,null,null,218,null,null],
['27日',null,null,null,null,null,null,92,null,null,265,null,null],
['28日',null,null,null,null,null,null,144,null,null,297,null,null],
['29日',null,null,null,null,null,null,173,null,null,353,null,null],
['30日',null,null,null,null,null,null,222,null,null,424,null,null],
['31日',null,null,null,null,null,null,238,null,null,401,'EV','美味♡じゅるりバレンタイン: 01/31 → 02/07']
        ]);
  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:'2020年1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)
      }
    });
  }

});