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,107,null,null,166,'EV','桜舞うわいるど学校体験記: 04/01 → 04/08'],
['2日',null,null,null,null,null,null,114,null,null,176,null,null],
['3日',null,null,null,null,null,null,188,null,null,246,null,null],
['4日',null,null,null,null,null,null,213,null,null,314,'UP!','すぺしゃるWぴっくあっぷしょうたい: 04/04 → 04/05'],
['5日',null,null,null,null,null,null,234,null,null,352,null,null],
['6日',null,null,null,null,null,null,230,'UP!','闇と舞え！漆黒のダークネスひな祭りしょうたい(後半): 03/06 → 03/12',397,null,null],
['7日',null,null,null,null,null,null,121,'UP!','すぺしゃるWぴっくあっぷしょうたい: 03/07 → 03/08',470,null,null],
['8日',null,null,null,null,null,null,145,null,null,550,'EV','体力測定 アミメキリン編: 04/08 → 04/23'],
['9日',null,null,null,null,null,null,149,null,null,254,null,null],
['10日',null,null,null,null,null,null,187,null,null,311,null,null],
['11日',null,null,null,null,null,null,238,null,null,469,'UP!','すぺしゃるWぴっくあっぷしょうたい: 04/11 → 04/12'],
['12日',null,null,null,null,null,null,291,'EV','メインストーリー6章（風のしずくドロップイベント）: 03/12 → 03/18',516,null,null],
['13日',null,null,null,null,null,null,216,null,null,496,null,null],
['14日',null,null,null,null,null,null,336,'UP!','すぺしゃるWぴっくあっぷしょうたい: 03/14 → 03/15',557,null,null],
['15日',null,null,null,null,null,null,362,null,null,636,null,null],
['16日',null,null,null,null,null,null,452,null,null,485,null,null],
['17日',null,null,null,null,null,null,547,null,null,585,null,null],
['18日',null,null,null,null,null,null,600,'EV','体力測定 カバ編: 03/18 → 03/25',603,'UP!','すぺしゃるWぴっくあっぷしょうたい: 04/18 → 04/19'],
['19日',null,null,null,null,null,null,196,null,null,496,null,null],
['20日',null,null,null,null,null,null,248,'UP!','ハーフアニバーサリー記念シーサーバルすてっぷあっぷしょうたい: 03/20 → 03/25',520,'EV','アライさん隊長日誌4章（太陽のしずくドロップイベント）: 04/20 → 04/27'],
['21日',null,null,null,null,null,null,69,null,null,371,null,null],
['22日',null,null,null,null,null,null,97,null,null,403,null,null],
['23日',null,null,null,null,null,null,153,null,null,524,null,null],
['24日',null,null,null,null,null,null,172,null,null,504,null,null],
['25日',null,null,null,null,null,null,180,'EV','Penguins Performance Project: 03/25 → 03/31',572,'UP!','GWすぺしゃるしょうたい: 04/25 → 05/08'],
['26日',null,null,null,null,null,null,67,null,null,160,null,null],
['27日',null,null,null,null,null,null,84,null,null,199,'EV','ジャパリパーク立ち入り禁止区域・解除開始(1回目): 04/27 → 05/04'],
['28日',null,null,null,null,null,null,140,'UP!','ハーフアニバーサリー記念オイナリサマすてっぷあっぷしょうたい: 03/28 → 04/01',139,null,null],
['29日',null,null,null,null,null,null,61,null,null,142,null,null],
['30日',null,null,null,null,null,null,79,null,null,192,null,null],
['31日',null,null,null,null,null,null,133,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4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=30 -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)
      }
    });
  }

});