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,null,null,44],
['2日',null,null,null,52],
['3日',null,98,null,98],
['4日',115,203,115,null],
['5日',null,266,110,null],
['6日',149,199,149,199],
['7日',224,null,null,113],
['8日',305,null,null,152],
['9日',180,null,180,108],
['10日',202,null,null,154],
['11日',189,189,189,189],
['12日',null,205,196,null],
['13日',171,105,171,105],
['14日',210,null,null,84],
['15日',215,null,null,99],
['16日',129,null,129,87],
['17日',null,171,140,171],
['18日',null,207,150,null],
['19日',null,256,92,null],
['20日',111,122,111,122],
['21日',214,null,null,92],
['22日',199,null,199,86],
['23日',null,null,170,102],
['24日',null,null,129,137],
['25日',null,null,145,156],
['26日',null,null,140,154],
['27日',null,null,131,41],
['28日',null,null,149,22],
['29日',null,null,167,23],
['30日',null,29,73,29],
['31日',null,null,35,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:350},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=4;

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

});