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,276,null,null,114,null,null],
['2日',null,null,null,null,null,null,274,'UP!','陽だまりの思い出アナザー 第２弾: 05/02 → 05/06',181,null,null],
['3日',null,null,null,null,null,null,113,null,null,220,null,null],
['4日',null,null,null,null,null,null,156,null,null,226,'UP!','南 乙音 ピックアップ: 06/04 → 06/10'],
['5日',null,null,null,null,null,null,196,null,null,158,null,null],
['6日',null,null,null,null,null,null,272,'UP!','陽だまりの思い出アナザー 第３弾: 05/06 → 05/10',243,null,null],
['7日',null,null,null,null,null,null,95,null,null,302,null,null],
['8日',null,null,null,null,null,null,140,null,null,375,null,null],
['9日',null,null,null,null,null,null,221,null,null,392,null,null],
['10日',null,null,null,null,null,null,273,null,null,483,'UP!','星奏学院 ピックアップ: 06/10 → 06/12'],
['11日',null,null,null,null,null,null,267,null,null,455,null,null],
['12日',null,null,null,null,null,null,452,null,null,433,'UP!','常陽工業 ピックアップ: 06/12 → 06/14'],
['13日',null,null,null,null,null,null,692,null,null,385,null,null],
['14日',null,null,null,null,null,null,751,null,null,339,null,null],
['15日',null,null,null,null,null,null,644,null,null,383,'UP!','Music and the Bridal Kiss: 06/15 → 06/28'],
['16日',null,null,null,null,null,null,621,'UP!','温泉！ 乱戦！ 捜査線！: 05/16 → 05/29',24,null,null],
['17日',null,null,null,null,null,null,48,null,null,41,null,null],
['18日',null,null,null,null,null,null,66,null,null,65,null,null],
['19日',null,null,null,null,null,null,111,null,null,117,null,null],
['20日',null,null,null,null,null,null,192,null,null,138,null,null],
['21日',null,null,null,null,null,null,301,null,null,176,null,null],
['22日',null,null,null,null,null,null,431,null,null,210,null,null],
['23日',null,null,null,null,null,null,427,null,null,271,null,null],
['24日',null,null,null,null,null,null,487,null,null,272,null,null],
['25日',null,null,null,null,null,null,251,null,null,189,null,null],
['26日',null,null,null,null,null,null,317,null,null,209,null,null],
['27日',null,null,null,null,null,null,321,null,null,340,null,null],
['28日',null,null,null,null,null,null,430,null,null,445,null,null],
['29日',null,null,null,null,null,null,468,null,null,389,null,null],
['30日',null,null,null,null,null,null,582,null,null,538,'UP!','鷲上源一郎 ピックアップ: 06/30 → 07/06'],
['31日',null,null,null,null,null,null,790,'UP!','伝説の演奏家 月森 蓮: 05/31 → 06/25',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)
      }
    });
  }

});