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,184,'UP!','胸中の秘密、そして希望-4ステップアップガシャ-: 11/01 → 11/03',103,'UP!',' 4ステップアップガシャ-復刻2019Xmas-: 12/01 → 12/03'],
['2日',null,null,null,null,null,null,254,null,null,162,null,null],
['3日',null,null,null,null,null,null,310,null,null,219,null,null],
['4日',null,null,null,null,null,null,349,null,null,287,null,null],
['5日',null,null,null,null,null,null,379,'UP!','3+1ステップアップガシャ-Autumnセレクト第4弾-: 11/05 → 11/07',352,'UP!','SSR×2確定！LV100レアガシャ: 12/05 → 12/07'],
['6日',null,null,null,null,null,null,457,null,null,232,null,null],
['7日',null,null,null,null,null,null,438,null,null,256,null,null],
['8日',null,null,null,null,null,null,447,null,null,302,null,null],
['9日',null,null,null,null,null,null,437,null,null,291,null,null],
['10日',null,null,null,null,null,null,412,null,null,323,null,null],
['11日',null,null,null,null,null,null,473,null,null,361,null,null],
['12日',null,null,null,null,null,null,202,'UP!','3+1ステップアップガシャ-AutumnセレクトFINAL-: 11/12 → 11/14',320,null,null],
['13日',null,null,null,null,null,null,213,null,null,258,null,null],
['14日',null,null,null,null,null,null,279,null,null,319,null,null],
['15日',null,null,null,null,null,null,359,null,null,317,'UP!','4ステップアップガシャ-Ｚの系譜-: 12/15 → 12/17'],
['16日',null,null,null,null,null,null,127,'UP!','エキゾチック・インベーション-4ステップアップガシャ-: 11/16 → 11/18',97,null,null],
['17日',null,null,null,null,null,null,184,null,null,143,null,null],
['18日',null,null,null,null,null,null,261,null,null,248,null,null],
['19日',null,null,null,null,null,null,348,null,null,328,null,null],
['20日',null,null,null,null,null,null,547,null,null,349,null,null],
['21日',null,null,null,null,null,null,184,'UP!','第1章 Part11-4ステップアップガシャ-: 11/21 → 11/23',420,null,null],
['22日',null,null,null,null,null,null,216,null,null,538,null,null],
['23日',null,null,null,null,null,null,287,null,null,465,null,null],
['24日',null,null,null,null,null,null,330,null,null,353,null,null],
['25日',null,null,null,null,null,null,370,null,null,131,'UP!','ダーク4ステップアップガシャ-二つの選択肢-: 12/25 → 01/08'],
['26日',null,null,null,null,null,null,367,null,null,82,null,null],
['27日',null,null,null,null,null,null,444,null,null,100,null,null],
['28日',null,null,null,null,null,null,618,null,null,155,null,null],
['29日',null,null,null,null,null,null,521,null,null,218,null,null],
['30日',null,null,null,null,null,null,506,'UP!','4ステップアップガシャ-赤と白、邂逅の刻-: 11/30 → 12/02',237,null,null],
['31日',null,null,null,null,null,null,null,null,null,283,'UP!','4ステップアップガシャ-己が信じる正義-: 12/31 → 01/15']
        ]);
  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12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=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)
      }
    });
  }

});