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,492,'UP!','とある姉妹の献身看護ステップアップガチャ: 03/01 → 03/13',524,'UP!','幻想祭宴ガチャ: 04/01 → 04/15'],
['2日',null,null,null,null,null,null,175,null,null,59,null,null],
['3日',null,null,null,null,null,null,199,null,null,86,null,null],
['4日',null,null,null,null,null,null,255,null,null,114,null,null],
['5日',null,null,null,null,null,null,336,null,null,134,null,null],
['6日',null,null,null,null,null,null,407,null,null,167,null,null],
['7日',null,null,null,null,null,null,453,null,null,208,null,null],
['8日',null,null,null,null,null,null,435,null,null,234,null,null],
['9日',null,null,null,null,null,null,462,null,null,267,null,null],
['10日',null,null,null,null,null,null,476,null,null,271,null,null],
['11日',null,null,null,null,null,null,503,null,null,238,null,null],
['12日',null,null,null,null,null,null,531,'UP!','とある土御門の夢想喫茶ガチャ: 03/12 → 03/20',246,null,null],
['13日',null,null,null,null,null,null,177,null,null,247,'UP!','とある魔神の都市襲来ステップアップガチャ: 04/13 → 04/21'],
['14日',null,null,null,null,null,null,184,null,null,61,null,null],
['15日',null,null,null,null,null,null,173,null,null,73,null,null],
['16日',null,null,null,null,null,null,260,null,null,105,null,null],
['17日',null,null,null,null,null,null,327,null,null,184,null,null],
['18日',null,null,null,null,null,null,371,null,null,261,null,null],
['19日',null,null,null,null,null,null,420,null,null,289,null,null],
['20日',null,null,null,null,null,null,587,null,null,324,null,null],
['21日',null,null,null,null,null,null,499,null,null,246,'UP!','新キャラ！ピックアップガチャ: 04/21 → 04/30'],
['22日',null,null,null,null,null,null,593,'UP!','新キャラ！ピックアップガチャ: 03/22 → 03/31',207,null,null],
['23日',null,null,null,null,null,null,217,null,null,332,null,null],
['24日',null,null,null,null,null,null,265,null,null,518,null,null],
['25日',null,null,null,null,null,null,409,null,null,782,null,null],
['26日',null,null,null,null,null,null,610,null,null,800,null,null],
['27日',null,null,null,null,null,null,637,null,null,753,null,null],
['28日',null,null,null,null,null,null,757,null,null,760,null,null],
['29日',null,null,null,null,null,null,834,null,null,null,null,null],
['30日',null,null,null,null,null,null,760,null,null,825,null,null],
['31日',null,null,null,null,null,null,856,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: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=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)
      }
    });
  }

});