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,225,null,null],
['2日',null,152,null,152],
['3日',null,139,null,139],
['4日',213,206,null,null],
['5日',247,205,null,null],
['6日',217,237,null,null],
['7日',215,233,null,null],
['8日',273,251,null,null],
['9日',169,184,169,184],
['10日',179,203,179,null],
['11日',213,230,null,null],
['12日',115,205,115,null],
['13日',null,216,131,null],
['14日',null,226,185,null],
['15日',143,236,143,null],
['16日',201,203,null,null],
['17日',204,209,null,null],
['18日',186,225,186,null],
['19日',209,219,null,null],
['20日',215,214,null,null],
['21日',236,203,null,null],
['22日',198,226,198,null],
['23日',null,228,198,null],
['24日',null,219,190,null],
['25日',null,203,147,null],
['26日',null,245,97,null],
['27日',null,189,165,189],
['28日',null,193,198,193],
['29日',null,254,164,null],
['30日',190,286,190,null],
['31日',242,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)
      }
    });
  }

});