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',273,225,null,null],
['2日',121,91,121,91],
['3日',null,null,102,94],
['4日',157,173,157,173],
['5日',202,226,null,null],
['6日',181,213,181,null],
['7日',181,207,181,null],
['8日',225,306,null,null],
['9日',223,267,null,null],
['10日',239,183,null,183],
['11日',302,null,null,182],
['12日',376,null,null,176],
['13日',252,null,null,172],
['14日',206,null,null,190],
['15日',218,156,null,156],
['16日',219,202,null,null],
['17日',204,231,null,null],
['18日',273,260,null,null],
['19日',209,211,null,null],
['20日',155,193,155,193],
['21日',191,208,191,null],
['22日',202,233,null,null],
['23日',233,253,null,null],
['24日',213,222,null,null],
['25日',195,209,195,null],
['26日',249,168,null,168],
['27日',278,172,null,172],
['28日',304,298,null,null],
['29日',239,269,null,null],
['30日',290,226,null,null],
['31日',221,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:400},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)
      }
    });
  }

});