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,269,null,null],
['2日',316,276,null,null],
['3日',228,246,null,null],
['4日',272,288,null,null],
['5日',327,170,null,170],
['6日',300,185,null,185],
['7日',157,207,157,null],
['8日',231,204,null,null],
['9日',234,187,null,187],
['10日',196,211,196,null],
['11日',234,222,null,null],
['12日',263,220,null,null],
['13日',219,191,null,191],
['14日',213,153,null,153],
['15日',193,220,193,null],
['16日',216,233,null,null],
['17日',294,286,null,null],
['18日',287,299,null,null],
['19日',268,240,null,null],
['20日',336,104,null,104],
['21日',489,null,null,199],
['22日',197,null,197,190],
['23日',217,194,null,194],
['24日',228,222,null,null],
['25日',222,226,null,null],
['26日',205,243,null,null],
['27日',267,214,null,null],
['28日',221,193,null,193],
['29日',298,251,null,null],
['30日',339,268,null,null],
['31日',210,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: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=2;

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

});