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,280,'UP!','『彼方よりの帰還』イベントガシャ: 04/01 → 04/08',329,'UP!','『月と星が輝く夜』イベントガシャ: 05/01 → 05/17'],
['2日',null,null,null,null,null,null,227,null,null,301,null,null],
['3日',null,null,null,null,null,null,304,null,null,399,null,null],
['4日',null,null,null,null,null,null,403,null,null,489,null,null],
['5日',null,null,null,null,null,null,483,null,null,544,null,null],
['6日',null,null,null,null,null,null,211,null,null,624,null,null],
['7日',null,null,null,null,null,null,296,null,null,659,null,null],
['8日',null,null,null,null,null,null,358,null,null,740,null,null],
['9日',null,null,null,null,null,null,185,'UP!','『私たちが生きる明日』イベントガシャ: 04/09 → 04/16',474,null,null],
['10日',null,null,null,null,null,null,255,null,null,461,null,null],
['11日',null,null,null,null,null,null,326,null,null,593,null,null],
['12日',null,null,null,null,null,null,390,null,null,600,null,null],
['13日',null,null,null,null,null,null,459,null,null,524,null,null],
['14日',null,null,null,null,null,null,491,null,null,657,null,null],
['15日',null,null,null,null,null,null,533,null,null,493,null,null],
['16日',null,null,null,null,null,null,522,null,null,551,null,null],
['17日',null,null,null,null,null,null,144,'UP!','『パーティやろうか、ガンヘッド』イベントガシャ: 04/17 → 04/23',541,null,null],
['18日',null,null,null,null,null,null,177,null,null,185,'UP!','『夢見た楽園は遠く』イベントガシャ: 05/18 → 05/24'],
['19日',null,null,null,null,null,null,264,null,null,239,null,null],
['20日',null,null,null,null,null,null,307,null,null,349,null,null],
['21日',null,null,null,null,null,null,354,null,null,415,null,null],
['22日',null,null,null,null,null,null,426,null,null,620,null,null],
['23日',null,null,null,null,null,null,508,null,null,590,null,null],
['24日',null,null,null,null,null,null,154,null,null,572,null,null],
['25日',null,null,null,null,null,null,180,null,null,194,'UP!','『環の結び目』&『遠い宇宙の片隅で』イベントガシャ: 05/25 → 05/31'],
['26日',null,null,null,null,null,null,262,null,null,232,null,null],
['27日',null,null,null,null,null,null,316,null,null,131,null,null],
['28日',null,null,null,null,null,null,321,null,null,165,null,null],
['29日',null,null,null,null,null,null,359,null,null,254,null,null],
['30日',null,null,null,null,null,null,353,null,null,303,null,null],
['31日',null,null,null,null,null,null,null,null,null,329,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5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=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)
      }
    });
  }

});