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,282,'UP!','とある新年の逢引初詣ステップアップガチャ: 01/01 → 01/15',116,'UP!','とある桃色の恋愛事情ガチャ: 02/01 → 02/14'],
['2日',null,null,null,null,null,null,94,null,null,80,null,null],
['3日',null,null,null,null,null,null,111,null,null,115,null,null],
['4日',null,null,null,null,null,null,130,null,null,169,null,null],
['5日',null,null,null,null,null,null,165,null,null,224,null,null],
['6日',null,null,null,null,null,null,168,null,null,254,null,null],
['7日',null,null,null,null,null,null,206,null,null,287,null,null],
['8日',null,null,null,null,null,null,243,null,null,352,null,null],
['9日',null,null,null,null,null,null,266,null,null,319,null,null],
['10日',null,null,null,null,null,null,267,null,null,345,null,null],
['11日',null,null,null,null,null,null,255,null,null,330,null,null],
['12日',null,null,null,null,null,null,222,null,null,333,'UP!','新キャラピックアップガチャ: 02/12 → 02/20'],
['13日',null,null,null,null,null,null,187,null,null,148,null,null],
['14日',null,null,null,null,null,null,182,null,null,208,null,null],
['15日',null,null,null,null,null,null,175,null,null,204,null,null],
['16日',null,null,null,null,null,null,141,null,null,345,null,null],
['17日',null,null,null,null,null,null,177,null,null,405,null,null],
['18日',null,null,null,null,null,null,293,null,null,531,'UP!','とある淑女の水弾遊戯ガチャ: 02/18 → 02/29'],
['19日',null,null,null,null,null,null,370,null,null,179,null,null],
['20日',null,null,null,null,null,null,336,'UP!','幻想祭宴(イマフェス)ガチャ: 01/20 → 01/31',238,null,null],
['21日',null,null,null,null,null,null,24,null,null,327,null,null],
['22日',null,null,null,null,null,null,27,null,null,395,null,null],
['23日',null,null,null,null,null,null,49,null,null,516,null,null],
['24日',null,null,null,null,null,null,72,null,null,495,null,null],
['25日',null,null,null,null,null,null,73,null,null,564,null,null],
['26日',null,null,null,null,null,null,82,null,null,420,null,null],
['27日',null,null,null,null,null,null,65,null,null,443,null,null],
['28日',null,null,null,null,null,null,85,null,null,630,null,null],
['29日',null,null,null,null,null,null,97,null,null,420,null,null],
['30日',null,null,null,null,null,null,103,null,null,null,null,null],
['31日',null,null,null,null,null,null,97,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2月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:700},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=29 -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)
      }
    });
  }

});