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',469,null,null,303,null,null,null,null,null,null,null,null],
['2日',487,null,null,416,null,null,null,null,null,null,null,null],
['3日',409,null,null,326,null,null,null,null,null,null,null,null],
['4日',380,null,null,374,null,null,null,null,null,null,null,null],
['5日',345,null,null,293,null,null,null,null,null,null,null,null],
['6日',382,null,null,289,null,null,null,null,null,null,null,null],
['7日',460,null,null,300,null,null,null,null,null,null,null,null],
['8日',285,null,null,356,null,null,null,null,null,null,null,null],
['9日',331,null,null,359,null,null,null,null,null,null,null,null],
['10日',253,null,null,366,null,null,null,null,null,null,null,null],
['11日',303,null,null,311,null,null,null,null,null,null,null,null],
['12日',287,null,null,362,null,null,null,null,null,null,null,null],
['13日',296,null,null,423,null,null,null,null,null,null,null,null],
['14日',283,null,null,375,null,null,null,null,null,null,null,null],
['15日',334,null,null,385,null,null,null,null,null,null,null,null],
['16日',482,null,null,253,null,null,null,null,null,null,null,null],
['17日',461,null,null,298,null,null,null,null,null,null,null,null],
['18日',261,null,null,311,null,null,null,null,null,null,null,null],
['19日',320,null,null,281,null,null,null,null,null,null,null,null],
['20日',334,null,null,353,null,null,null,null,null,null,null,null],
['21日',416,null,null,352,null,null,null,null,null,null,null,null],
['22日',432,null,null,295,null,null,null,null,null,null,null,null],
['23日',480,null,null,353,null,null,null,null,null,null,null,null],
['24日',417,null,null,310,null,null,null,null,null,null,null,null],
['25日',368,null,null,361,null,null,null,null,null,null,null,null],
['26日',379,null,null,380,null,null,null,null,null,null,null,null],
['27日',337,null,null,389,null,null,null,null,null,null,null,null],
['28日',288,null,null,306,null,null,null,null,null,null,null,null],
['29日',296,null,null,328,null,null,null,null,null,null,null,null],
['30日',316,null,null,350,null,null,null,null,null,null,null,null],
['31日',298,null,null,null,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11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=4;

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

});