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,150,null,null,182,null,null],
['2日',null,null,null,null,null,null,135,null,null,155,null,null],
['3日',null,null,null,null,null,null,181,null,null,224,'EV','FOUR SEASON Works!~ALL STAR~: 06/03 → 06/09'],
['4日',null,null,null,null,null,null,108,null,null,294,null,null],
['5日',null,null,null,null,null,null,147,null,null,258,null,null],
['6日',null,null,null,null,null,null,126,null,null,158,null,null],
['7日',null,null,null,null,null,null,166,null,null,189,null,null],
['8日',null,null,null,null,null,null,130,null,null,221,null,null],
['9日',null,null,null,null,null,null,174,null,null,265,null,null],
['10日',null,null,null,null,null,null,99,null,null,199,'EV','IDOLiSH7記念日2020: 06/10 → 06/17'],
['11日',null,null,null,null,null,null,119,null,null,22,null,null],
['12日',null,null,null,null,null,null,218,null,null,22,null,null],
['13日',null,null,null,null,null,null,182,null,null,30,null,null],
['14日',null,null,null,null,null,null,238,null,null,21,null,null],
['15日',null,null,null,null,null,null,328,null,null,29,null,null],
['16日',null,null,null,null,null,null,237,null,null,27,null,null],
['17日',null,null,null,null,null,null,279,null,null,29,null,null],
['18日',null,null,null,null,null,null,357,null,null,29,null,null],
['19日',null,null,null,null,null,null,299,null,null,51,null,null],
['20日',null,null,null,null,null,null,386,null,null,74,null,null],
['21日',null,null,null,null,null,null,302,null,null,47,null,null],
['22日',null,null,null,null,null,null,66,null,null,86,null,null],
['23日',null,null,null,null,null,null,59,null,null,139,'EV','CHAINANA TOWN ～白天編～: 06/23 → 06/30'],
['24日',null,null,null,null,null,null,51,null,null,174,null,null],
['25日',null,null,null,null,null,null,67,null,null,150,null,null],
['26日',null,null,null,null,null,null,135,'EV','燈涼し 花うつる 君の横顔: 05/26 → 06/02',232,null,null],
['27日',null,null,null,null,null,null,197,null,null,308,null,null],
['28日',null,null,null,null,null,null,187,null,null,413,null,null],
['29日',null,null,null,null,null,null,46,null,null,398,null,null],
['30日',null,null,null,null,null,null,74,null,null,277,null,null],
['31日',null,null,null,null,null,null,120,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6月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:500},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)
      }
    });
  }

});