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,256,null,null,197,null,null],
['2日',null,null,null,null,null,null,339,'UP!','サマーガシャ2019: 07/02 → 07/16',294,null,null],
['3日',null,null,null,null,null,null,204,null,null,357,null,null],
['4日',null,null,null,null,null,null,193,null,null,407,null,null],
['5日',null,null,null,null,null,null,294,null,null,492,null,null],
['6日',null,null,null,null,null,null,431,null,null,499,'UP!','サマーガシャ2018: 08/06 → 08/13'],
['7日',null,null,null,null,null,null,452,null,null,410,null,null],
['8日',null,null,null,null,null,null,483,null,null,498,null,null],
['9日',null,null,null,null,null,null,431,'UP!','サマーガシャ2018: 07/09 → 07/16',553,null,null],
['10日',null,null,null,null,null,null,438,null,null,570,'UP!','ダークハンターズガシャ: 08/10 → 08/13'],
['11日',null,null,null,null,null,null,373,null,null,567,null,null],
['12日',null,null,null,null,null,null,457,null,null,678,null,null],
['13日',null,null,null,null,null,null,594,null,null,758,'UP!','ハンターガシャ: 08/13 → 08/20'],
['14日',null,null,null,null,null,null,610,null,null,280,null,null],
['15日',null,null,null,null,null,null,654,null,null,367,'UP!','七罪グラフェスガシャ: 08/15 → 08/20'],
['16日',null,null,null,null,null,null,643,'UP!','フレイムハンターズガシャ: 07/16 → 07/31',350,null,null],
['17日',null,null,null,null,null,null,231,null,null,287,null,null],
['18日',null,null,null,null,null,null,363,null,null,372,null,null],
['19日',null,null,null,null,null,null,520,null,null,465,null,null],
['20日',null,null,null,null,null,null,693,null,null,529,'UP!','ハンターガシャ: 08/20 → 08/27'],
['21日',null,null,null,null,null,null,727,null,null,270,null,null],
['22日',null,null,null,null,null,null,832,null,null,358,null,null],
['23日',null,null,null,null,null,null,836,'UP!','七罪グラフェスガシャ: 07/23 → 07/28',436,null,null],
['24日',null,null,null,null,null,null,130,null,null,647,'UP!','五獣ガシャ: 08/24 → 08/28'],
['25日',null,null,null,null,null,null,148,null,null,176,null,null],
['26日',null,null,null,null,null,null,240,null,null,207,null,null],
['27日',null,null,null,null,null,null,331,null,null,266,'UP!','パジャマパーティーガシャ: 08/27 → 09/10'],
['28日',null,null,null,null,null,null,334,null,null,171,null,null],
['29日',null,null,null,null,null,null,423,null,null,187,null,null],
['30日',null,null,null,null,null,null,382,'UP!','サマーガシャ2019: 07/30 → 08/14',275,null,null],
['31日',null,null,null,null,null,null,127,'UP!','七聖グラフェスガシャ: 07/31 → 08/05',427,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:'2019年8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)
      }
    });
  }

});