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,41,null,null,22,null,null],
['2日',null,null,null,null,null,null,50,null,null,26,null,null],
['3日',null,null,null,null,null,null,69,null,null,31,null,null],
['4日',null,null,null,null,null,null,77,null,null,41,'UP!','逡巡オルタナティブガチャ: 05/04 → 05/11'],
['5日',null,null,null,null,null,null,88,null,null,40,null,null],
['6日',null,null,null,null,null,null,75,null,null,80,null,null],
['7日',null,null,null,null,null,null,41,null,null,128,null,null],
['8日',null,null,null,null,null,null,78,null,null,154,null,null],
['9日',null,null,null,null,null,null,130,null,null,145,null,null],
['10日',null,null,null,null,null,null,60,null,null,124,null,null],
['11日',null,null,null,null,null,null,47,null,null,110,'UP!','出航！ブランニュー・マリンガチャ: 05/11 → 05/21'],
['12日',null,null,null,null,null,null,44,null,null,55,'UP!','マスキング誕生日記念 Special birthdayガチャ: 05/12 → 05/18'],
['13日',null,null,null,null,null,null,67,null,null,69,null,null],
['14日',null,null,null,null,null,null,103,null,null,123,null,null],
['15日',null,null,null,null,null,null,136,null,null,182,'UP!','｢うぇるかむ OUR MUSIC♪｣開催記念スペシャルセット5回ガチャ: 05/15 → 05/17'],
['16日',null,null,null,null,null,null,112,null,null,229,null,null],
['17日',null,null,null,null,null,null,131,null,null,191,null,null],
['18日',null,null,null,null,null,null,149,null,null,231,null,null],
['19日',null,null,null,null,null,null,142,null,null,245,'UP!','沙綾誕生日記念 Special birthdayガチャ: 05/19 → 05/25'],
['20日',null,null,null,null,null,null,135,'UP!','穏やかな光留まるライブラリーガチャ: 04/20 → 04/30',140,null,null],
['21日',null,null,null,null,null,null,56,null,null,240,'UP!','Untouchable！ロッキングハートガチャ: 05/21 → 05/31'],
['22日',null,null,null,null,null,null,105,null,null,80,null,null],
['23日',null,null,null,null,null,null,169,null,null,102,null,null],
['24日',null,null,null,null,null,null,229,null,null,146,null,null],
['25日',null,null,null,null,null,null,236,null,null,146,null,null],
['26日',null,null,null,null,null,null,266,null,null,140,null,null],
['27日',null,null,null,null,null,null,301,null,null,209,null,null],
['28日',null,null,null,null,null,null,346,null,null,293,null,null],
['29日',null,null,null,null,null,null,342,null,null,332,null,null],
['30日',null,null,null,null,null,null,63,'UP!','1400万人突破＆GW記念 ドリームフェスティバルガチ: 04/30 → 05/04',293,null,null],
['31日',null,null,null,null,null,null,null,null,null,278,'UP!','熱砂舞う饗宴ガチャ: 05/31 → 06/10']
        ]);
  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5月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:350},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)
      }
    });
  }

});