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',178,null,null,317,null,null,178,null,null,null,null,null],
['2日',274,null,null,387,null,null,null,null,null,null,null,null],
['3日',266,null,null,302,null,null,null,null,null,null,null,null],
['4日',261,null,null,316,null,null,null,null,null,null,null,null],
['5日',267,null,null,355,null,null,null,null,null,null,null,null],
['6日',136,null,null,381,null,null,136,null,null,null,null,null],
['7日',190,null,null,363,null,null,190,null,null,null,null,null],
['8日',262,null,null,286,null,null,null,null,null,null,null,null],
['9日',274,null,null,281,null,null,null,null,null,null,null,null],
['10日',233,null,null,289,null,null,null,null,null,null,null,null],
['11日',171,null,null,284,null,null,171,null,null,null,null,null],
['12日',230,null,null,336,null,null,null,null,null,null,null,null],
['13日',115,null,null,413,null,null,115,null,null,null,null,null],
['14日',null,null,null,456,null,null,167,null,null,null,null,null],
['15日',null,null,null,193,null,null,123,null,null,193,null,null],
['16日',181,null,null,225,null,null,181,null,null,null,null,null],
['17日',223,null,null,268,null,null,null,null,null,null,null,null],
['18日',258,null,null,294,null,null,null,null,null,null,null,null],
['19日',245,null,null,282,null,null,null,null,null,null,null,null],
['20日',140,null,null,329,null,null,140,null,null,null,null,null],
['21日',219,null,null,372,null,null,null,null,null,null,null,null],
['22日',284,null,null,317,null,null,null,null,null,null,null,null],
['23日',322,null,null,325,null,null,null,null,null,null,null,null],
['24日',301,null,null,358,null,null,null,null,null,null,null,null],
['25日',204,null,null,255,null,null,null,null,null,null,null,null],
['26日',245,null,null,208,null,null,null,null,null,null,null,null],
['27日',293,null,null,279,null,null,null,null,null,null,null,null],
['28日',361,null,null,281,null,null,null,null,null,null,null,null],
['29日',427,null,null,347,null,null,null,null,null,null,null,null],
['30日',386,null,null,274,null,null,null,null,null,null,null,null],
['31日',272,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)
      }
    });
  }

});