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,206,null,null],
['2日',null,211,null,null],
['3日',null,203,null,null],
['4日',null,201,null,null],
['5日',258,163,null,163],
['6日',248,null,null,171],
['7日',272,null,null,180],
['8日',206,189,null,189],
['9日',209,213,null,null],
['10日',208,205,null,null],
['11日',228,194,null,194],
['12日',208,210,null,null],
['13日',210,204,null,null],
['14日',192,209,192,null],
['15日',168,202,168,null],
['16日',211,168,null,168],
['17日',211,199,null,199],
['18日',168,205,168,null],
['19日',null,216,122,null],
['20日',null,203,111,null],
['21日',null,219,141,null],
['22日',167,221,167,null],
['23日',209,207,null,null],
['24日',203,189,null,189],
['25日',183,208,183,null],
['26日',205,206,null,null],
['27日',211,214,null,null],
['28日',190,243,190,null],
['29日',210,208,null,null],
['30日',194,212,194,null],
['31日',204,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:'2024年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:300},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)
      }
    });
  }

});