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,null,null,null,null,'UP!','[兵装]-モニカ・ランドールピックアップ解析: 04/01 → 04/08'],
['2日',null,null,null,null,null,null,null,'UP!','[水着]-茅森 漣／[水着]-ヴィエナ・アウッティピックアップ解析: 03/02 → 03/09',791,null,null],
['3日',null,null,null,null,null,null,null,null,null,null,'UP!','[水着]-古謝 椎奈／[水着]-桃原 咲亜矢ピックアップ解析: 04/03 → 04/10'],
['4日',null,null,null,null,null,null,null,null,null,null,null,null],
['5日',null,null,null,null,null,null,null,null,null,null,null,null],
['6日',null,null,null,null,null,null,null,null,null,null,null,null],
['7日',null,null,null,null,null,null,null,null,null,null,null,null],
['8日',null,null,null,null,null,null,null,null,null,null,'UP!','[兵装]-海月 結衣／[兵装]-ヘレナ・シャノンピックアップ解析: 04/08 → 04/15'],
['9日',null,null,null,null,null,null,null,'UP!','[兵装]-海月結衣ピックアップ解析: 03/09 → 03/16',null,null,null],
['10日',null,null,null,null,null,null,672,null,null,null,'UP!','[兵装]-ペネロペ・ブルローネピックアップ解析: 04/10 → 04/17'],
['11日',null,null,null,null,null,null,942,'UP!','ルナ・ティンデルピックアップ解析: 03/11 → 03/18',647,null,null],
['12日',null,null,null,null,null,null,811,null,null,905,null,null],
['13日',null,null,null,null,null,null,null,null,null,null,null,null],
['14日',null,null,null,null,null,null,null,null,null,null,null,null],
['15日',null,null,null,null,null,null,null,null,null,null,'UP!','[MD]-フロラ・[MD]-ニコラピックアップ解析: 04/15 → 04/22'],
['16日',null,null,null,null,null,null,null,'UP!','[兵装]-ヘレナ・シャノンピックアップ解析: 03/16 → 03/23',null,null,null],
['17日',null,null,null,null,null,null,746,null,null,null,'UP!','[兵装]-本多正信ピックアップ解析: 04/17 → 04/24'],
['18日',null,null,null,null,null,null,null,'UP!','[兵装]-槐新／ルナ・ティンデルピックアップ解析: 03/18 → 03/25',729,null,null],
['19日',null,null,null,null,null,null,838,null,null,null,null,null],
['20日',null,null,null,null,null,null,null,'UP!','[兵装]-ビビアナ・サリニャーナ／[兵装]-ジジ・ヴァイオレットピックアップ解析: 03/20 → 03/27',null,null,null],
['21日',null,null,null,null,null,null,674,null,null,null,null,null],
['22日',null,null,null,null,null,null,null,null,null,null,'UP!','ジジ・ヴァイオレットピックアップ解析: 04/22 → 04/29'],
['23日',null,null,null,null,null,null,null,null,null,null,null,null],
['24日',null,null,null,null,null,null,null,null,null,null,'UP!','[兵装]-クロエ・カルディナーレピックアップ解析: 04/24 → 05/01'],
['25日',null,null,null,null,null,null,null,null,null,null,null,null],
['26日',null,null,null,null,null,null,null,null,null,null,null,null],
['27日',null,null,null,null,null,null,null,'UP!','[水着]-ジジ・ヴァイオレットピックアップ解析: 03/27 → 04/03',null,null,null],
['28日',null,null,null,null,null,null,803,null,null,null,null,null],
['29日',null,null,null,null,null,null,null,null,null,null,'UP!','ゴールデンウィーク特別解析: 04/29 → 05/15'],
['30日',null,null,null,null,null,null,null,null,null,599,null,null],
['31日',null,null,null,null,null,null,null,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:'2020年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:1000},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)
      }
    });
  }

});