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,410,'UP!','海原 ミチル ガチャ: 03/01 → 03/05',493,null,null],
['2日',null,null,null,null,null,null,214,null,null,387,null,null],
['3日',null,null,null,null,null,null,235,'UP!','大鳴門 むに Birthday ガチャ: 03/03 → 03/05',415,null,null],
['4日',null,null,null,null,null,null,190,null,null,459,null,null],
['5日',null,null,null,null,null,null,225,null,null,502,null,null],
['6日',null,null,null,null,null,null,233,null,null,580,null,null],
['7日',null,null,null,null,null,null,281,'EV','White Photon Trip☆【ポーカーイベント】: 03/07 → 03/15',496,'UP!','五等分の理由 ガチャ: 04/07 → 04/16'],
['8日',null,null,null,null,null,null,66,null,null,22,null,null],
['9日',null,null,null,null,null,null,124,null,null,39,null,null],
['10日',null,null,null,null,null,null,192,null,null,86,null,null],
['11日',null,null,null,null,null,null,306,null,null,94,null,null],
['12日',null,null,null,null,null,null,360,null,null,123,null,null],
['13日',null,null,null,null,null,null,419,'UP!','Happy Around! 2nd LIVE記念ガチャ: 03/13 → 03/15',148,null,null],
['14日',null,null,null,null,null,null,397,null,null,168,null,null],
['15日',null,null,null,null,null,null,349,null,null,193,null,null],
['16日',null,null,null,null,null,null,353,'UP!','？？ガチャ: 03/16 → 03/24',197,null,null],
['17日',null,null,null,null,null,null,393,'EV','舞い散る桜の小夜曲: 03/17 → 03/25',185,null,null],
['18日',null,null,null,null,null,null,151,null,null,115,null,null],
['19日',null,null,null,null,null,null,245,null,null,178,null,null],
['20日',null,null,null,null,null,null,342,null,null,258,null,null],
['21日',null,null,null,null,null,null,376,null,null,337,null,null],
['22日',null,null,null,null,null,null,412,null,null,474,null,null],
['23日',null,null,null,null,null,null,499,'UP!','矢野緋彩 Birthdayガチャ: 03/23 → 03/25',482,null,null],
['24日',null,null,null,null,null,null,269,null,null,418,null,null],
['25日',null,null,null,null,null,null,272,null,null,323,null,null],
['26日',null,null,null,null,null,null,297,null,null,131,null,null],
['27日',null,null,null,null,null,null,416,null,null,168,null,null],
['28日',null,null,null,null,null,null,153,null,null,87,null,null],
['29日',null,null,null,null,null,null,238,null,null,102,null,null],
['30日',null,null,null,null,null,null,290,null,null,142,null,null],
['31日',null,null,null,null,null,null,384,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:'2021年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:600},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)
      }
    });
  }

});