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('number', '推測');
       data.addColumn('number', 'iOS前月');
       data.addColumn('number', 'iOS当月');
       data.addRows([
        ['1日',null,211,145,null],
['2日',null,298,162,null],
['3日',null,276,175,null],
['4日',187,132,187,132],
['5日',216,null,null,138],
['6日',209,198,null,198],
['7日',127,209,127,null],
['8日',213,213,null,null],
['9日',241,229,null,null],
['10日',220,217,null,null],
['11日',235,234,null,null],
['12日',239,120,null,120],
['13日',206,163,null,163],
['14日',232,239,null,null],
['15日',124,242,124,null],
['16日',null,258,142,null],
['17日',188,309,188,null],
['18日',242,275,null,null],
['19日',229,284,null,null],
['20日',229,180,null,180],
['21日',270,null,null,150],
['22日',72,null,72,168],
['23日',null,188,75,188],
['24日',null,232,128,null],
['25日',180,261,180,null],
['26日',204,193,null,193],
['27日',216,254,null,null],
['28日',282,303,null,null],
['29日',302,277,null,null],
['30日',142,311,142,null],
['31日',null,null,195,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:'2024年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:350},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=2;

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

});