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,218,null,null,147,null,null],
['2日',null,null,null,null,null,null,201,null,null,137,null,null],
['3日',null,null,null,null,null,null,234,'UP!','3月英傑 縁結び: 03/03 → 03/16',165,null,null],
['4日',null,null,null,null,null,null,49,null,null,206,null,null],
['5日',null,null,null,null,null,null,52,null,null,248,null,null],
['6日',null,null,null,null,null,null,96,null,null,281,null,null],
['7日',null,null,null,null,null,null,177,null,null,335,null,null],
['8日',null,null,null,null,null,null,212,null,null,340,null,null],
['9日',null,null,null,null,null,null,235,null,null,326,null,null],
['10日',null,null,null,null,null,null,316,null,null,427,'UP!','48時間限定 降臨祭縁結び: 04/10 → 04/12'],
['11日',null,null,null,null,null,null,291,null,null,158,null,null],
['12日',null,null,null,null,null,null,315,null,null,165,null,null],
['13日',null,null,null,null,null,null,339,'UP!','48時間限定 降臨祭: 03/13 → 03/15',216,null,null],
['14日',null,null,null,null,null,null,189,null,null,361,'UP!','4月英傑 縁結び: 04/14 → 04/30'],
['15日',null,null,null,null,null,null,209,null,null,40,null,null],
['16日',null,null,null,null,null,null,221,'UP!','3月英傑 縁結び: 03/16 → 03/30',78,null,null],
['17日',null,null,null,null,null,null,102,null,null,153,null,null],
['18日',null,null,null,null,null,null,149,null,null,214,null,null],
['19日',null,null,null,null,null,null,221,null,null,250,null,null],
['20日',null,null,null,null,null,null,324,null,null,297,null,null],
['21日',null,null,null,null,null,null,372,null,null,312,null,null],
['22日',null,null,null,null,null,null,421,null,null,367,null,null],
['23日',null,null,null,null,null,null,433,null,null,502,null,null],
['24日',null,null,null,null,null,null,518,null,null,545,null,null],
['25日',null,null,null,null,null,null,583,'UP!','降臨祭 縁結び: 03/25 → 03/31',69,null,null],
['26日',null,null,null,null,null,null,118,null,null,107,null,null],
['27日',null,null,null,null,null,null,170,null,null,155,null,null],
['28日',null,null,null,null,null,null,226,null,null,203,null,null],
['29日',null,null,null,null,null,null,305,null,null,244,null,null],
['30日',null,null,null,null,null,null,290,null,null,303,null,null],
['31日',null,null,null,null,null,null,410,'UP!','4月英傑 縁結び: 03/31 → 04/14',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: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=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)
      }
    });
  }

});