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,311,null,null,256,null,null],
['2日',null,null,null,null,null,null,null,null,null,339,'UP!','サマーガシャ2019: 07/02 → 07/16'],
['3日',null,null,null,null,null,null,null,null,null,204,null,null],
['4日',null,null,null,null,null,null,null,'UP!','カジノガシャ: 06/04 → 06/19',193,null,null],
['5日',null,null,null,null,null,null,null,null,null,294,null,null],
['6日',null,null,null,null,null,null,181,null,null,431,null,null],
['7日',null,null,null,null,null,null,214,null,null,452,null,null],
['8日',null,null,null,null,null,null,null,null,null,483,null,null],
['9日',null,null,null,null,null,null,null,null,null,431,'UP!','サマーガシャ2018: 07/09 → 07/16'],
['10日',null,null,null,null,null,null,null,null,null,438,null,null],
['11日',null,null,null,null,null,null,null,'UP!','ジューンブライドガシャ: 06/11 → 06/18',373,null,null],
['12日',null,null,null,null,null,null,null,null,null,457,null,null],
['13日',null,null,null,null,null,null,392,null,null,594,null,null],
['14日',null,null,null,null,null,null,null,null,null,610,null,null],
['15日',null,null,null,null,null,null,566,'UP!','七罪グラフェスガシャ: 06/15 → 06/19',654,null,null],
['16日',null,null,null,null,null,null,303,null,null,643,'UP!','フレイムハンターズガシャ: 07/16 → 07/31'],
['17日',null,null,null,null,null,null,410,null,null,231,null,null],
['18日',null,null,null,null,null,null,474,'UP!','アクアハンターズガシャ: 06/18 → 07/02',363,null,null],
['19日',null,null,null,null,null,null,187,null,null,520,null,null],
['20日',null,null,null,null,null,null,239,null,null,693,null,null],
['21日',null,null,null,null,null,null,351,'UP!','ウインドハンターズガシャ: 06/21 → 06/26',727,null,null],
['22日',null,null,null,null,null,null,461,null,null,832,null,null],
['23日',null,null,null,null,null,null,442,null,null,836,'UP!','七罪グラフェスガシャ: 07/23 → 07/28'],
['24日',null,null,null,null,null,null,566,null,null,130,null,null],
['25日',null,null,null,null,null,null,547,null,null,148,null,null],
['26日',null,null,null,null,null,null,380,null,null,240,null,null],
['27日',null,null,null,null,null,null,418,null,null,331,null,null],
['28日',null,null,null,null,null,null,426,null,null,334,null,null],
['29日',null,null,null,null,null,null,520,'UP!','五獣ガシャ: 06/29 → 07/02',423,null,null],
['30日',null,null,null,null,null,null,200,'UP!','七聖グラフェスガシャ: 06/30 → 07/05',382,'UP!','サマーガシャ2019: 07/30 → 08/14'],
['31日',null,null,null,null,null,null,null,null,null,127,'UP!','七聖グラフェスガシャ: 07/31 → 08/05']
        ]);
  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7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)
      }
    });
  }

});