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,312,null,null],
['2日',null,356,null,null],
['3日',196,378,196,null],
['4日',222,323,null,null],
['5日',234,299,null,null],
['6日',299,321,null,null],
['7日',302,322,null,null],
['8日',307,428,null,null],
['9日',null,null,null,null],
['10日',447,431,null,null],
['11日',451,341,null,null],
['12日',401,110,null,110],
['13日',449,null,null,115],
['14日',403,179,null,179],
['15日',392,209,null,null],
['16日',341,261,null,null],
['17日',297,263,null,null],
['18日',291,302,null,null],
['19日',290,74,null,74],
['20日',409,136,null,136],
['21日',468,202,null,null],
['22日',249,253,null,null],
['23日',346,308,null,null],
['24日',332,287,null,null],
['25日',385,300,null,null],
['26日',374,113,null,113],
['27日',449,null,null,109],
['28日',null,null,null,125],
['29日',243,190,null,190],
['30日',235,209,null,null],
['31日',269,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)
      }
    });
  }

});