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,224,null,null,110,null,null],
['2日',null,null,null,null,null,null,190,null,null,93,null,null],
['3日',null,null,null,null,null,null,182,null,null,81,null,null],
['4日',null,null,null,null,null,null,197,null,null,100,null,null],
['5日',null,null,null,null,null,null,222,null,null,93,null,null],
['6日',null,null,null,null,null,null,228,null,null,101,null,null],
['7日',null,null,null,null,null,null,173,null,null,78,null,null],
['8日',null,null,null,null,null,null,237,null,null,54,null,null],
['9日',null,null,null,null,null,null,328,null,null,101,null,null],
['10日',null,null,null,null,null,null,503,null,null,173,'UP!','僕と彼女の甘くない関係を君に: 02/10 → 02/17'],
['11日',null,null,null,null,null,null,766,null,null,183,null,null],
['12日',null,null,null,null,null,null,298,null,null,161,null,null],
['13日',null,null,null,null,null,null,195,null,null,247,null,null],
['14日',null,null,null,null,null,null,268,null,null,250,null,null],
['15日',null,null,null,null,null,null,190,null,null,246,null,null],
['16日',null,null,null,null,null,null,208,null,null,333,null,null],
['17日',null,null,null,null,null,null,278,null,null,367,null,null],
['18日',null,null,null,null,null,null,370,null,null,347,null,null],
['19日',null,null,null,null,null,null,316,null,null,549,null,null],
['20日',null,null,null,null,null,null,308,null,null,861,null,null],
['21日',null,null,null,null,null,null,386,null,null,444,'UP!','乃木坂が生まれた日: 02/21 → 02/27'],
['22日',null,null,null,null,null,null,402,null,null,171,null,null],
['23日',null,null,null,null,null,null,153,null,null,188,null,null],
['24日',null,null,null,null,null,null,259,null,null,198,null,null],
['25日',null,null,null,null,null,null,182,'UP!','第20回彼氏イベント: 01/25 → 02/07',232,null,null],
['26日',null,null,null,null,null,null,33,null,null,246,null,null],
['27日',null,null,null,null,null,null,36,null,null,300,null,null],
['28日',null,null,null,null,null,null,44,null,null,271,null,null],
['29日',null,null,null,null,null,null,50,null,null,482,null,null],
['30日',null,null,null,null,null,null,79,null,null,null,null,null],
['31日',null,null,null,null,null,null,83,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:900},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)
      }
    });
  }

});