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,null,null],
['2日',null,null,null,null,null,null,null,null,null,250,null,null],
['3日',null,null,null,null,null,null,null,null,null,309,null,null],
['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,'UP!','復刻メモリアルガシャ: 05/07 → 05/17'],
['8日',null,null,null,null,null,null,null,null,null,null,null,null],
['9日',null,null,null,null,null,null,null,'UP!','桜花爛漫ガシャ: 04/09 → 04/23',null,null,null],
['10日',null,null,null,null,null,null,null,null,null,null,null,null],
['11日',null,null,null,null,null,null,null,null,null,null,null,null],
['12日',null,null,null,null,null,null,134,null,null,null,null,null],
['13日',null,null,null,null,null,null,189,null,null,null,null,null],
['14日',null,null,null,null,null,null,330,null,null,null,null,null],
['15日',null,null,null,null,null,null,267,'UP!','七罪グラフェスガシャ: 04/15 → 04/18',null,null,null],
['16日',null,null,null,null,null,null,275,null,null,null,null,null],
['17日',null,null,null,null,null,null,267,'UP!','五獣ガシャ: 04/17 → 04/23',null,null,null],
['18日',null,null,null,null,null,null,278,null,null,null,'UP!','ダークハンターズガシャ: 05/18 → 05/28'],
['19日',null,null,null,null,null,null,108,null,null,null,'UP!','七罪グラフェスガシャ: 05/19 → 05/22'],
['20日',null,null,null,null,null,null,159,null,null,203,null,null],
['21日',null,null,null,null,null,null,247,null,null,390,'UP!','復刻メモリアルガシャ2017〜2018: 05/21 → 05/25'],
['22日',null,null,null,null,null,null,328,null,null,300,null,null],
['23日',null,null,null,null,null,null,319,'UP!','メイド&執事ガシャ: 04/23 → 05/08',386,null,null],
['24日',null,null,null,null,null,null,385,null,null,null,null,null],
['25日',null,null,null,null,null,null,253,'UP!','五獣ガシャ: 04/25 → 04/30',313,null,null],
['26日',null,null,null,null,null,null,206,null,null,null,'UP!','五獣ガシャ: 05/26 → 05/29'],
['27日',null,null,null,null,null,null,245,null,null,270,null,null],
['28日',null,null,null,null,null,null,306,null,null,null,'UP!','ハンターガシャ: 05/28 → 06/04'],
['29日',null,null,null,null,null,null,null,null,null,242,null,null],
['30日',null,null,null,null,null,null,null,'UP!','七聖グラフェスガシャ: 04/30 → 05/07',212,null,null],
['31日',null,null,null,null,null,null,null,null,null,258,'UP!','七聖グラフェスガシャ: 05/31 → 06/06']
        ]);
  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5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=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)
      }
    });
  }

});