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,224,null,null,354,null,null],
['2日',null,null,null,null,null,null,296,null,null,508,'UP!','ぷよぷよしょ～かん: 10/02 → 10/16'],
['3日',null,null,null,null,null,null,347,null,null,147,null,null],
['4日',null,null,null,null,null,null,147,null,null,210,null,null],
['5日',null,null,null,null,null,null,196,'UP!','双星のグリザイユしょうかん: 09/05 → 09/15',352,null,null],
['6日',null,null,null,null,null,null,108,null,null,465,null,null],
['7日',null,null,null,null,null,null,164,null,null,550,null,null],
['8日',null,null,null,null,null,null,294,null,null,672,null,null],
['9日',null,null,null,null,null,null,442,null,null,754,null,null],
['10日',null,null,null,null,null,null,540,null,null,834,null,null],
['11日',null,null,null,null,null,null,657,null,null,672,null,null],
['12日',null,null,null,null,null,null,635,null,null,624,null,null],
['13日',null,null,null,null,null,null,646,'UP!','極・言霊祭: 09/13 → 09/17',694,null,null],
['14日',null,null,null,null,null,null,121,null,null,650,null,null],
['15日',null,null,null,null,null,null,178,null,null,626,null,null],
['16日',null,null,null,null,null,null,248,null,null,546,'UP!','1.5周年記念言霊祭しょうかん: 10/16 → 10/24'],
['17日',null,null,null,null,null,null,291,null,null,58,null,null],
['18日',null,null,null,null,null,null,387,null,null,59,null,null],
['19日',null,null,null,null,null,null,562,'UP!','1.5周年カウントダウンしょうかん: 09/19 → 10/02',92,null,null],
['20日',null,null,null,null,null,null,119,null,null,172,null,null],
['21日',null,null,null,null,null,null,203,null,null,228,null,null],
['22日',null,null,null,null,null,null,362,null,null,248,null,null],
['23日',null,null,null,null,null,null,424,null,null,240,null,null],
['24日',null,null,null,null,null,null,528,null,null,246,'UP!','ハロウィンしょうかん2019: 10/24 → 11/01'],
['25日',null,null,null,null,null,null,675,null,null,183,null,null],
['26日',null,null,null,null,null,null,608,null,null,253,null,null],
['27日',null,null,null,null,null,null,671,'UP!','真・言霊祭: 09/27 → 10/01',355,null,null],
['28日',null,null,null,null,null,null,151,null,null,417,'UP!','真・言霊祭: 10/28 → 11/01'],
['29日',null,null,null,null,null,null,213,null,null,210,null,null],
['30日',null,null,null,null,null,null,284,null,null,250,null,null],
['31日',null,null,null,null,null,null,null,null,null,334,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:'2019年10月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:900},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)
      }
    });
  }

});