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,42,null,null,46,null,null],
['2日',null,null,null,null,null,null,13,null,null,46,null,null],
['3日',null,null,null,null,null,null,18,null,null,33,null,null],
['4日',null,null,null,null,null,null,29,null,null,44,null,null],
['5日',null,null,null,null,null,null,32,null,null,44,null,null],
['6日',null,null,null,null,null,null,35,null,null,54,null,null],
['7日',null,null,null,null,null,null,18,null,null,58,null,null],
['8日',null,null,null,null,null,null,18,null,null,30,'UP!','桜の時、私たちのキセキガチャ: 03/08 → 03/16'],
['9日',null,null,null,null,null,null,24,null,null,36,null,null],
['10日',null,null,null,null,null,null,33,'UP!','商店街ローカルガールズガチャ: 02/10 → 02/19',38,null,null],
['11日',null,null,null,null,null,null,42,null,null,41,null,null],
['12日',null,null,null,null,null,null,24,null,null,41,null,null],
['13日',null,null,null,null,null,null,31,null,null,54,null,null],
['14日',null,null,null,null,null,null,44,'UP!','心繋がるチョコレートガチャ〘復刻〙: 02/14 → 02/19',74,null,null],
['15日',null,null,null,null,null,null,50,null,null,97,null,null],
['16日',null,null,null,null,null,null,50,null,null,98,'UP!','2周年記念ドリームフェスティバルガチャ: 03/16 → 03/19'],
['17日',null,null,null,null,null,null,10,null,null,9,null,null],
['18日',null,null,null,null,null,null,14,null,null,97,null,null],
['19日',null,null,null,null,null,null,25,'UP!','奏楽のアンコールガチャ: 02/19 → 02/28',2,'UP!','ガールズバンドライフ！2ガチャ: 03/19 → 03/31'],
['20日',null,null,null,null,null,null,25,null,null,2,'UP!','麗しのノーブルホワイトガチャ〘復刻〙: 03/20 → 03/25'],
['21日',null,null,null,null,null,null,15,null,null,4,null,null],
['22日',null,null,null,null,null,null,11,null,null,5,null,null],
['23日',null,null,null,null,null,null,20,null,null,14,null,null],
['24日',null,null,null,null,null,null,26,null,null,3,null,null],
['25日',null,null,null,null,null,null,31,null,null,10,null,null],
['26日',null,null,null,null,null,null,30,null,null,4,'UP!','ガールズバンドライフ！ガチャ〘復刻〙: 03/26 → 03/31'],
['27日',null,null,null,null,null,null,30,null,null,5,null,null],
['28日',null,null,null,null,null,null,37,'UP!','ホワイト×ホワイト＝ジョイフル！ガチャ: 02/28 → 03/08',9,null,null],
['29日',null,null,null,null,null,null,null,null,null,12,null,null],
['30日',null,null,null,null,null,null,null,null,null,29,null,null],
['31日',null,null,null,null,null,null,null,null,null,20,'UP!','SAKURA SPLASHガチャ: 03/31 → 04/10']
        ]);
  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:'2019年3月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:100},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)
      }
    });
  }

});