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,475,null,null,492,null,null,null,null,null],
['2日',444,null,null,459,null,null,444,null,null,null,null,null],
['3日',508,null,null,437,null,null,null,null,null,null,null,null],
['4日',641,null,null,463,null,null,null,null,null,null,null,null],
['5日',761,null,null,438,null,null,null,null,null,null,null,null],
['6日',802,null,null,408,null,null,null,null,null,null,null,null],
['7日',777,null,null,494,null,null,null,null,null,null,null,null],
['8日',720,null,null,433,null,null,null,null,null,null,null,null],
['9日',666,null,null,432,null,null,null,null,null,null,null,null],
['10日',638,null,null,448,null,null,null,null,null,null,null,null],
['11日',634,null,null,377,null,null,null,null,null,null,null,null],
['12日',648,null,null,409,null,null,null,null,null,null,null,null],
['13日',673,null,null,345,null,null,null,null,null,null,null,null],
['14日',700,null,null,467,null,null,null,null,null,null,null,null],
['15日',726,null,null,466,null,null,null,null,null,null,null,null],
['16日',749,null,null,416,null,null,null,null,null,null,null,null],
['17日',768,null,null,459,null,null,null,null,null,null,null,null],
['18日',777,null,null,514,null,null,null,null,null,null,null,null],
['19日',777,null,null,539,null,null,null,null,null,null,null,null],
['20日',771,null,null,555,null,null,null,null,null,null,null,null],
['21日',761,null,null,445,null,null,null,null,null,null,null,null],
['22日',747,null,null,517,null,null,null,null,null,null,null,null],
['23日',731,null,null,520,null,null,null,null,null,null,null,null],
['24日',714,null,null,508,null,null,null,null,null,null,null,null],
['25日',698,null,null,515,null,null,null,null,null,null,null,null],
['26日',682,null,null,346,null,null,null,null,null,null,null,null],
['27日',666,null,null,541,null,null,null,null,null,null,null,null],
['28日',null,null,null,553,null,null,null,null,null,null,null,null],
['29日',633,null,null,513,null,null,null,null,null,null,null,null],
['30日',616,null,null,643,null,null,null,null,null,null,null,null],
['31日',null,null,null,629,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=4;

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

});