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,182,null,null,76,'UP!','「いろは・うい巫女ver.」（限定／新規）: 01/01 → 01/12'],
['2日',null,null,null,null,null,null,203,null,null,48,null,null],
['3日',null,null,null,null,null,null,209,null,null,54,null,null],
['4日',null,null,null,null,null,null,193,'UP!','「鶴乃・フェリシア宅配ver.」（限定／新規）: 12/04 → 12/28',67,null,null],
['5日',null,null,null,null,null,null,67,null,null,79,null,null],
['6日',null,null,null,null,null,null,98,null,null,82,null,null],
['7日',null,null,null,null,null,null,160,null,null,114,null,null],
['8日',null,null,null,null,null,null,202,null,null,135,'UP!','魔法少女まどか☆マギカ10周年記念ピックアップ: 01/08 → 01/15'],
['9日',null,null,null,null,null,null,330,null,null,107,null,null],
['10日',null,null,null,null,null,null,374,null,null,113,null,null],
['11日',null,null,null,null,null,null,349,null,null,93,null,null],
['12日',null,null,null,null,null,null,417,null,null,84,'UP!','「Rumors in Disguise ～魔法少女すずね☆マギカ～」ピックアップ（限定／復刻）: 01/12 → 01/25'],
['13日',null,null,null,null,null,null,454,null,null,52,null,null],
['14日',null,null,null,null,null,null,451,null,null,132,null,null],
['15日',null,null,null,null,null,null,535,null,null,252,null,null],
['16日',null,null,null,null,null,null,506,'UP!','「灯花・ねむ聖夜ver.」（限定／新規）: 12/16 → 12/28',429,null,null],
['17日',null,null,null,null,null,null,51,null,null,579,null,null],
['18日',null,null,null,null,null,null,63,null,null,519,'UP!','「大庭樹里」ピックアップ（恒常／新規）: 01/18 → 01/25'],
['19日',null,null,null,null,null,null,119,null,null,244,null,null],
['20日',null,null,null,null,null,null,167,null,null,165,null,null],
['21日',null,null,null,null,null,null,176,null,null,259,null,null],
['22日',null,null,null,null,null,null,144,null,null,294,null,null],
['23日',null,null,null,null,null,null,133,null,null,411,null,null],
['24日',null,null,null,null,null,null,195,null,null,373,null,null],
['25日',null,null,null,null,null,null,276,null,null,409,'UP!','「Cross Connection ～魔法少女すずね☆マギカ～」ピックアップ（限定／復刻）: 01/25 → 02/05'],
['26日',null,null,null,null,null,null,260,null,null,107,null,null],
['27日',null,null,null,null,null,null,271,null,null,117,null,null],
['28日',null,null,null,null,null,null,255,'UP!','「八雲みたま晴着ver.」ピックアップ（限定／復刻）: 12/28 → 01/12',186,null,null],
['29日',null,null,null,null,null,null,205,null,null,261,null,null],
['30日',null,null,null,null,null,null,256,null,null,382,null,null],
['31日',null,null,null,null,null,null,377,null,null,368,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:'2021年1月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:600},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)
      }
    });
  }

});