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,253,null,null,432,null,null],
['2日',null,null,null,null,null,null,235,null,null,363,null,null],
['3日',null,null,null,null,null,null,280,null,null,397,null,null],
['4日',null,null,null,null,null,null,356,'UP!','星野 龍平、ソンヒ、趙 天佑が新正月SSRキャラクターとして登場！福袋ガチャ: 01/04 → 01/17',502,'UP!','相沢 聖人(決戦)、森永 悠が登場！ドラゴンフェスガチャ: 02/04 → 02/11'],
['5日',null,null,null,null,null,null,369,null,null,86,null,null],
['6日',null,null,null,null,null,null,373,null,null,163,null,null],
['7日',null,null,null,null,null,null,450,null,null,263,null,null],
['8日',null,null,null,null,null,null,475,'UP!','馬場、芹沢が新登場！強化応援イベント特効のガチャ: 01/08 → 01/14',340,null,null],
['9日',null,null,null,null,null,null,387,null,null,360,null,null],
['10日',null,null,null,null,null,null,433,null,null,347,null,null],
['11日',null,null,null,null,null,null,564,null,null,416,null,null],
['12日',null,null,null,null,null,null,740,'UP!','冴島大河の決戦キャラクターが登場！ドラゴンフェスガチャ開催！: 01/12 → 01/18',393,'UP!','真弓、紗栄子が登場！スクラッチイベントのおまけつきガチャ: 02/12 → 02/23'],
['13日',null,null,null,null,null,null,181,null,null,450,null,null],
['14日',null,null,null,null,null,null,261,'UP!','『龍が如く５』の釘原、ヤマオロシが新SSRで登場！強襲イベント特効のガチャ: 01/14 → 01/20',454,null,null],
['15日',null,null,null,null,null,null,169,null,null,555,'UP!','ブラックカードSSR嶋野 太登場！ブラックフェスガチャ開催！: 02/15 → 02/20'],
['16日',null,null,null,null,null,null,293,null,null,154,null,null],
['17日',null,null,null,null,null,null,422,null,null,221,null,null],
['18日',null,null,null,null,null,null,488,null,null,274,null,null],
['19日',null,null,null,null,null,null,321,null,null,341,null,null],
['20日',null,null,null,null,null,null,406,'UP!','『龍が如く５』の品田、高杉が新SSRで登場！すごろくイベント特効のガチャ: 01/20 → 01/28',456,'UP!','強化応援イベントステップアップガチャ: 02/20 → 02/24'],
['21日',null,null,null,null,null,null,183,null,null,310,null,null],
['22日',null,null,null,null,null,null,292,null,null,383,null,null],
['23日',null,null,null,null,null,null,370,null,null,371,null,null],
['24日',null,null,null,null,null,null,492,null,null,484,'UP!','『龍が如く６』の染谷、小清水が新SSRで登場！すごろくイベント特効のガチャ: 02/24 → 03/03'],
['25日',null,null,null,null,null,null,589,null,null,221,null,null],
['26日',null,null,null,null,null,null,406,'UP!','キラカードSSR澤村 遥登場！キラフェスガチャ: 01/26 → 01/31',267,'EV','キラカードSSR柏木 修登場！キラフェスガチャ: 02/26 → 03/05'],
['27日',null,null,null,null,null,null,651,null,null,167,null,null],
['28日',null,null,null,null,null,null,167,'UP!','渡瀬、勝矢、青山が登場！スクラッチイベントのおまけつきガチャ: 01/28 → 02/07',238,null,null],
['29日',null,null,null,null,null,null,164,null,null,null,null,null],
['30日',null,null,null,null,null,null,222,null,null,null,null,null],
['31日',null,null,null,null,null,null,324,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:'2021年2月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:800},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=28 -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)
      }
    });
  }

});