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',450,null,null,500,null,null,null,null,null,null,null,null],
['2日',451,null,null,509,null,null,null,null,null,null,null,null],
['3日',452,null,null,518,null,null,null,null,null,null,null,null],
['4日',453,null,null,526,null,null,null,null,null,null,null,null],
['5日',454,null,null,535,null,null,null,null,null,null,null,null],
['6日',454,null,null,542,null,null,null,null,null,null,null,null],
['7日',453,null,null,547,null,null,null,null,null,null,null,null],
['8日',453,null,null,549,null,null,null,null,null,null,null,null],
['9日',454,null,null,547,null,null,null,null,null,null,null,null],
['10日',454,null,null,539,null,null,null,null,null,null,null,null],
['11日',453,null,null,528,null,null,null,null,null,null,null,null],
['12日',451,null,null,517,null,null,null,null,null,null,null,null],
['13日',450,null,null,510,null,null,null,null,null,null,null,null],
['14日',448,null,null,506,null,null,null,null,null,null,null,null],
['15日',446,null,null,503,null,null,null,null,null,null,null,null],
['16日',445,null,null,500,null,null,null,null,null,null,null,null],
['17日',449,null,null,496,null,null,null,null,null,null,null,null],
['18日',456,null,null,488,null,null,null,null,null,null,null,null],
['19日',464,null,null,477,null,null,null,null,null,null,null,null],
['20日',472,null,null,466,null,null,null,null,null,null,null,null],
['21日',478,null,null,460,null,null,null,null,null,null,null,null],
['22日',479,null,null,458,null,null,null,null,null,null,null,null],
['23日',476,null,null,458,null,null,null,null,null,null,null,null],
['24日',471,null,null,458,null,null,null,null,null,null,null,null],
['25日',468,null,null,458,null,null,null,null,null,null,null,null],
['26日',466,null,null,454,null,null,null,null,null,null,null,null],
['27日',465,null,null,450,null,null,null,null,null,null,null,null],
['28日',465,null,null,454,null,null,null,null,null,null,null,null],
['29日',468,null,null,466,null,null,null,null,null,null,null,null],
['30日',471,null,null,478,null,null,null,null,null,null,null,null],
['31日',474,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: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=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)
      }
    });
  }

});