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,6,null,null,4,null,null],
['2日',null,null,null,null,null,null,10,null,null,11,null,null],
['3日',null,null,null,null,null,null,14,null,null,18,null,null],
['4日',null,null,null,null,null,null,24,null,null,24,null,null],
['5日',null,null,null,null,null,null,24,null,null,26,null,null],
['6日',null,null,null,null,null,null,26,null,null,33,null,null],
['7日',null,null,null,null,null,null,33,null,null,40,null,null],
['8日',null,null,null,null,null,null,30,null,null,49,null,null],
['9日',null,null,null,null,null,null,31,'EV','走れ！体育祭！～実行委員は大忙し～: 11/09 → 11/17',44,null,null],
['10日',null,null,null,null,null,null,11,null,null,47,'EV','KAMIKOU FESTIVAL！: 12/10 → 12/18'],
['11日',null,null,null,null,null,null,17,null,null,8,null,null],
['12日',null,null,null,null,null,null,31,null,null,14,null,null],
['13日',null,null,null,null,null,null,52,null,null,27,null,null],
['14日',null,null,null,null,null,null,52,null,null,34,null,null],
['15日',null,null,null,null,null,null,73,null,null,44,null,null],
['16日',null,null,null,null,null,null,73,null,null,50,null,null],
['17日',null,null,null,null,null,null,83,null,null,68,null,null],
['18日',null,null,null,null,null,null,80,null,null,78,null,null],
['19日',null,null,null,null,null,null,105,'EV','ここからRE:START！: 11/19 → 11/28',62,null,null],
['20日',null,null,null,null,null,null,17,null,null,76,'EV','聖なる夜に、この歌声を: 12/20 → 12/29'],
['21日',null,null,null,null,null,null,27,'UP!','250万人突破記念★4メンバー1人確定ガチャ: 11/21 → 12/04',9,null,null],
['22日',null,null,null,null,null,null,17,null,null,17,null,null],
['23日',null,null,null,null,null,null,20,null,null,29,null,null],
['24日',null,null,null,null,null,null,32,null,null,58,null,null],
['25日',null,null,null,null,null,null,38,null,null,32,null,null],
['26日',null,null,null,null,null,null,53,null,null,36,null,null],
['27日',null,null,null,null,null,null,77,null,null,71,null,null],
['28日',null,null,null,null,null,null,91,null,null,86,null,null],
['29日',null,null,null,null,null,null,83,null,null,100,null,null],
['30日',null,null,null,null,null,null,84,'EV','いつか、背中あわせのリリックを: 11/30 → 12/08',99,null,null],
['31日',null,null,null,null,null,null,null,null,null,108,'EV','セカイのハッピーニューイヤー！: 12/31 → 01/08']
        ]);
  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12月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:150},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)
      }
    });
  }

});