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',257,null,null,245,null,null,null,null,null,null,null,null],
['2日',310,null,null,359,null,null,null,null,null,null,null,null],
['3日',305,null,null,401,null,null,null,null,null,null,null,null],
['4日',330,null,null,520,null,null,null,null,null,null,null,null],
['5日',386,null,null,487,null,null,null,null,null,null,null,null],
['6日',433,null,null,379,null,null,null,null,null,null,null,null],
['7日',490,null,null,311,null,null,null,null,null,null,null,null],
['8日',424,null,null,355,null,null,null,null,null,null,null,null],
['9日',369,null,null,418,null,null,null,null,null,null,null,null],
['10日',343,null,null,465,null,null,null,null,null,null,null,null],
['11日',418,null,null,406,null,null,null,null,null,null,null,null],
['12日',519,null,null,477,null,null,null,null,null,null,null,null],
['13日',529,null,null,406,null,null,null,null,null,null,null,null],
['14日',544,null,null,421,null,null,null,null,null,null,null,null],
['15日',419,null,null,492,null,null,null,null,null,null,null,null],
['16日',248,null,null,506,null,null,null,null,null,null,null,null],
['17日',314,null,null,156,null,null,null,null,null,156,null,null],
['18日',371,null,null,204,null,null,null,null,null,null,null,null],
['19日',462,null,null,283,null,null,null,null,null,null,null,null],
['20日',408,null,null,316,null,null,null,null,null,null,null,null],
['21日',536,null,null,262,null,null,null,null,null,null,null,null],
['22日',506,null,null,302,null,null,null,null,null,null,null,null],
['23日',291,null,null,362,null,null,null,null,null,null,null,null],
['24日',366,null,null,381,null,null,null,null,null,null,null,null],
['25日',411,null,null,357,null,null,null,null,null,null,null,null],
['26日',510,null,null,394,null,null,null,null,null,null,null,null],
['27日',408,null,null,488,null,null,null,null,null,null,null,null],
['28日',536,null,null,403,null,null,null,null,null,null,null,null],
['29日',526,null,null,457,null,null,null,null,null,null,null,null],
['30日',168,null,null,441,null,null,168,null,null,null,null,null],
['31日',null,null,null,199,null,null,null,null,null,199,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: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=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)
      }
    });
  }

});