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,99,null,null,106,null,null],
['2日',null,null,null,null,null,null,99,null,null,77,null,null],
['3日',null,null,null,null,null,null,190,'UP!','TRE@SURE OF RETURNS ガシャ: 03/03 → 03/09',129,null,null],
['4日',null,null,null,null,null,null,224,null,null,99,null,null],
['5日',null,null,null,null,null,null,224,null,null,129,null,null],
['6日',null,null,null,null,null,null,53,null,null,179,null,null],
['7日',null,null,null,null,null,null,75,null,null,226,null,null],
['8日',null,null,null,null,null,null,124,null,null,366,null,null],
['9日',null,null,null,null,null,null,171,null,null,354,null,null],
['10日',null,null,null,null,null,null,156,null,null,367,'UP!','フェスタに降り立つ勇者ガシャ: 04/10 → 04/20'],
['11日',null,null,null,null,null,null,175,'UP!','みんなに届け！Colorful Sweets ガシャ: 03/11 → 03/21',246,null,null],
['12日',null,null,null,null,null,null,267,null,null,70,'UP!','ユニットPICK UPガシャ　S.E.M: 04/12 → 04/14'],
['13日',null,null,null,null,null,null,82,null,null,115,null,null],
['14日',null,null,null,null,null,null,151,null,null,158,'UP!','ユニットPICK UPガシャ　彩: 04/14 → 04/16'],
['15日',null,null,null,null,null,null,269,'UP!','プロデューサーミーティング DAY1 打ち上げガシャ: 03/15 → 03/15',348,null,null],
['16日',null,null,null,null,null,null,292,'UP!','プロデューサーミーティング DAY2 打ち上げガシャ: 03/16 → 03/16',321,'UP!','ユニットPICK UPガシャ　FRAME: 04/16 → 04/18'],
['17日',null,null,null,null,null,null,192,'UP!','プロデューサーミーティング DAY3 打ち上げガシャ: 03/17 → 03/17',348,null,null],
['18日',null,null,null,null,null,null,269,'UP!','315FES スカウトガシャ: 03/18 → 03/21',214,'UP!','315 ALL ST@RS スカウトガシャ　THE 虎牙道: 04/18 → 05/18'],
['19日',null,null,null,null,null,null,153,null,null,244,null,null],
['20日',null,null,null,null,null,null,40,null,null,116,'UP!','クールに決めろ！ゴシックファッションガシャ: 04/20 → 04/30'],
['21日',null,null,null,null,null,null,48,'UP!','カジノルームの真剣勝負ガシャ: 03/21 → 03/31',221,null,null],
['22日',null,null,null,null,null,null,78,null,null,58,null,null],
['23日',null,null,null,null,null,null,51,null,null,100,'UP!','SOLO ST@GE Seriesガシャ: 04/23 → 04/29'],
['24日',null,null,null,null,null,null,209,'UP!','SOLO ST@GE Seriesガシャ: 03/24 → 03/30',187,null,null],
['25日',null,null,null,null,null,null,154,null,null,176,null,null],
['26日',null,null,null,null,null,null,125,null,null,126,null,null],
['27日',null,null,null,null,null,null,158,null,null,289,null,null],
['28日',null,null,null,null,null,null,116,'UP!','ユニットPICK UPガシャ　High×Joker: 03/28 → 03/30',320,null,null],
['29日',null,null,null,null,null,null,63,null,null,254,null,null],
['30日',null,null,null,null,null,null,106,'UP!','ユニットPICK UPガシャ　High×Joker: 03/30 → 04/01',224,'UP!','花盛りのFlower Parkガシャ: 04/30 → 05/11'],
['31日',null,null,null,null,null,null,123,'UP!','TRE@SURE of CANADAガシャ: 03/31 → 04/10',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:'2019年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:400},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)
      }
    });
  }

});