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',537,null,null,542,null,null,null,null,null,null,null,null],
['2日',549,null,null,567,null,null,null,null,null,null,null,null],
['3日',604,null,null,652,null,null,null,null,null,null,null,null],
['4日',603,null,null,null,null,null,null,null,null,null,null,null],
['5日',576,null,null,737,null,null,null,null,null,null,null,null],
['6日',576,null,null,556,null,null,null,null,null,null,null,null],
['7日',523,null,null,null,null,null,null,null,null,null,null,null],
['8日',528,null,null,658,null,null,null,null,null,null,null,null],
['9日',null,null,null,722,null,null,null,null,null,null,null,null],
['10日',651,null,null,788,null,null,null,null,null,null,null,null],
['11日',414,null,null,817,null,null,null,null,null,null,null,null],
['12日',null,null,null,805,null,null,null,null,null,null,null,null],
['13日',null,null,null,722,null,null,null,null,null,null,null,null],
['14日',674,null,null,677,null,null,null,null,null,null,null,null],
['15日',685,null,null,785,null,null,null,null,null,null,null,null],
['16日',595,null,null,803,null,null,null,null,null,null,null,null],
['17日',644,null,null,887,null,null,null,null,null,null,null,null],
['18日',680,null,null,null,null,null,null,null,null,null,null,null],
['19日',727,null,null,792,null,null,null,null,null,null,null,null],
['20日',682,null,null,846,null,null,null,null,null,null,null,null],
['21日',647,null,null,938,null,null,null,null,null,null,null,null],
['22日',726,null,null,1014,null,null,null,null,null,null,null,null],
['23日',827,null,null,415,null,null,null,null,null,null,null,null],
['24日',821,null,null,449,null,null,null,null,null,null,null,null],
['25日',472,null,null,608,null,null,null,null,null,null,null,null],
['26日',null,null,null,null,null,null,null,null,null,null,null,null],
['27日',629,null,null,557,null,null,null,null,null,null,null,null],
['28日',554,null,null,602,null,null,null,null,null,null,null,null],
['29日',547,null,null,661,null,null,null,null,null,null,null,null],
['30日',515,null,null,644,null,null,null,null,null,null,null,null],
['31日',null,null,null,640,null,null,null,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:'2021年12月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:1100},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=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});