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,166,'EV','桜舞うわいるど学校体験記: 04/01 → 04/08',273,null,null],
['2日',null,null,null,null,null,null,176,null,null,330,null,null],
['3日',null,null,null,null,null,null,246,null,null,342,null,null],
['4日',null,null,null,null,null,null,314,'UP!','すぺしゃるWぴっくあっぷしょうたい: 04/04 → 04/05',329,'EV','セルリアン大掃除(7回目): 05/04 → 05/11'],
['5日',null,null,null,null,null,null,352,null,null,322,null,null],
['6日',null,null,null,null,null,null,397,null,null,300,null,null],
['7日',null,null,null,null,null,null,470,null,null,388,null,null],
['8日',null,null,null,null,null,null,550,'EV','体力測定 アミメキリン編: 04/08 → 04/23',368,null,null],
['9日',null,null,null,null,null,null,254,null,null,360,'UP!','すぺしゃるWぴっくあっぷしょうたい: 05/09 → 05/10'],
['10日',null,null,null,null,null,null,311,null,null,428,null,null],
['11日',null,null,null,null,null,null,469,'UP!','すぺしゃるWぴっくあっぷしょうたい: 04/11 → 04/12',427,'EV','激走！追って追われてジャパリレース: 05/11 → 05/19'],
['12日',null,null,null,null,null,null,516,null,null,200,null,null],
['13日',null,null,null,null,null,null,496,null,null,311,null,null],
['14日',null,null,null,null,null,null,557,null,null,436,null,null],
['15日',null,null,null,null,null,null,636,null,null,360,null,null],
['16日',null,null,null,null,null,null,485,null,null,472,'UP!','すぺしゃるWぴっくあっぷしょうたい: 05/16 → 05/17'],
['17日',null,null,null,null,null,null,585,null,null,482,null,null],
['18日',null,null,null,null,null,null,603,'UP!','すぺしゃるWぴっくあっぷしょうたい: 04/18 → 04/19',475,null,null],
['19日',null,null,null,null,null,null,496,null,null,564,'EV','体力測定 G・ロードランナー編: 05/19 → 06/02'],
['20日',null,null,null,null,null,null,520,'EV','アライさん隊長日誌4章（太陽のしずくドロップイベント）: 04/20 → 04/27',161,null,null],
['21日',null,null,null,null,null,null,371,null,null,194,null,null],
['22日',null,null,null,null,null,null,403,null,null,269,null,null],
['23日',null,null,null,null,null,null,524,null,null,365,'UP!','すぺしゃるWぴっくあっぷしょうたい: 05/23 → 05/24'],
['24日',null,null,null,null,null,null,504,null,null,313,null,null],
['25日',null,null,null,null,null,null,572,'UP!','GWすぺしゃるしょうたい: 04/25 → 05/08',369,null,null],
['26日',null,null,null,null,null,null,160,null,null,413,'EV','メインストーリー7章（空のしずくドロップイベント）: 05/26 → 06/02'],
['27日',null,null,null,null,null,null,199,'EV','ジャパリパーク立ち入り禁止区域・解除開始(1回目): 04/27 → 05/04',239,null,null],
['28日',null,null,null,null,null,null,139,null,null,298,null,null],
['29日',null,null,null,null,null,null,142,null,null,431,'UP!','どれすあっぷすてっぷあっぷしょうたい: 05/29 → 05/31'],
['30日',null,null,null,null,null,null,192,null,null,331,'UP!','すぺしゃるWぴっくあっぷしょうたい: 05/30 → 05/31'],
['31日',null,null,null,null,null,null,null,null,null,273,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5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)
      }
    });
  }

});