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,369,'UP!','謹賀新年 2021: 01/01 → 01/13',144,null,null],
['2日',null,null,null,null,null,null,159,null,null,206,null,null],
['3日',null,null,null,null,null,null,217,null,null,230,null,null],
['4日',null,null,null,null,null,null,61,null,null,259,null,null],
['5日',null,null,null,null,null,null,68,null,null,290,null,null],
['6日',null,null,null,null,null,null,91,null,null,333,null,null],
['7日',null,null,null,null,null,null,136,null,null,301,null,null],
['8日',null,null,null,null,null,null,172,null,null,322,null,null],
['9日',null,null,null,null,null,null,184,null,null,420,null,null],
['10日',null,null,null,null,null,null,183,null,null,446,null,null],
['11日',null,null,null,null,null,null,195,null,null,437,null,null],
['12日',null,null,null,null,null,null,205,null,null,309,'UP!','St.Valentine 2021: 02/12 → 03/04'],
['13日',null,null,null,null,null,null,251,null,null,46,null,null],
['14日',null,null,null,null,null,null,246,'UP!','聖なる空のエステレラ4 希望の星の物語: 01/14 → 01/28',67,null,null],
['15日',null,null,null,null,null,null,41,null,null,135,null,null],
['16日',null,null,null,null,null,null,64,null,null,200,null,null],
['17日',null,null,null,null,null,null,104,null,null,230,null,null],
['18日',null,null,null,null,null,null,143,null,null,273,null,null],
['19日',null,null,null,null,null,null,154,null,null,274,null,null],
['20日',null,null,null,null,null,null,147,null,null,194,null,null],
['21日',null,null,null,null,null,null,225,null,null,232,null,null],
['22日',null,null,null,null,null,null,277,null,null,323,null,null],
['23日',null,null,null,null,null,null,188,null,null,255,null,null],
['24日',null,null,null,null,null,null,230,null,null,236,null,null],
['25日',null,null,null,null,null,null,346,null,null,309,null,null],
['26日',null,null,null,null,null,null,382,null,null,352,null,null],
['27日',null,null,null,null,null,null,423,null,null,347,null,null],
['28日',null,null,null,null,null,null,392,null,null,347,null,null],
['29日',null,null,null,null,null,null,343,'UP!','FairyChord4 Finish Chord: 01/29 → 02/11',null,null,null],
['30日',null,null,null,null,null,null,53,null,null,null,null,null],
['31日',null,null,null,null,null,null,66,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2月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:500},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=28 -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)
      }
    });
  }

});