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,329,'UP!','『月と星が輝く夜』イベントガシャ: 05/01 → 05/17',346,'UP!','『紅の修羅神』イベントガシャ: 06/01 → 06/07'],
['2日',null,null,null,null,null,null,301,null,null,264,null,null],
['3日',null,null,null,null,null,null,399,null,null,328,null,null],
['4日',null,null,null,null,null,null,489,null,null,420,null,null],
['5日',null,null,null,null,null,null,544,null,null,521,null,null],
['6日',null,null,null,null,null,null,624,null,null,545,null,null],
['7日',null,null,null,null,null,null,659,null,null,623,null,null],
['8日',null,null,null,null,null,null,740,null,null,582,'UP!','『風の歌 星の歌 生命の歌』イベントガシャ: 06/08 → 06/15'],
['9日',null,null,null,null,null,null,474,null,null,131,null,null],
['10日',null,null,null,null,null,null,461,null,null,214,null,null],
['11日',null,null,null,null,null,null,593,null,null,320,null,null],
['12日',null,null,null,null,null,null,600,null,null,406,null,null],
['13日',null,null,null,null,null,null,524,null,null,509,null,null],
['14日',null,null,null,null,null,null,657,null,null,619,null,null],
['15日',null,null,null,null,null,null,493,null,null,443,null,null],
['16日',null,null,null,null,null,null,551,null,null,482,'UP!','「神に抗う者たち」イベントガシャ: 06/16 → 06/23'],
['17日',null,null,null,null,null,null,541,null,null,140,null,null],
['18日',null,null,null,null,null,null,185,'UP!','『夢見た楽園は遠く』イベントガシャ: 05/18 → 05/24',199,null,null],
['19日',null,null,null,null,null,null,239,null,null,289,null,null],
['20日',null,null,null,null,null,null,349,null,null,409,null,null],
['21日',null,null,null,null,null,null,415,null,null,452,null,null],
['22日',null,null,null,null,null,null,620,null,null,562,null,null],
['23日',null,null,null,null,null,null,590,null,null,488,null,null],
['24日',null,null,null,null,null,null,572,null,null,209,'UP!','「カウントダウン・失楽園」イベントガシャ: 06/24 → 06/30'],
['25日',null,null,null,null,null,null,194,'UP!','『環の結び目』&『遠い宇宙の片隅で』イベントガシャ: 05/25 → 05/31',245,'UP!','「Ωフェス」6月ガシャ: 06/25 → 06/30'],
['26日',null,null,null,null,null,null,232,null,null,108,null,null],
['27日',null,null,null,null,null,null,131,null,null,126,null,null],
['28日',null,null,null,null,null,null,165,null,null,183,null,null],
['29日',null,null,null,null,null,null,254,null,null,232,null,null],
['30日',null,null,null,null,null,null,303,null,null,241,null,null],
['31日',null,null,null,null,null,null,329,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:'2020年6月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:800},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)
      }
    });
  }

});