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,263,null,null],
['2日',67,276,67,null],
['3日',null,293,108,null],
['4日',null,234,105,null],
['5日',null,233,99,null],
['6日',195,252,195,null],
['7日',266,265,null,null],
['8日',197,265,197,null],
['9日',162,450,162,null],
['10日',221,195,null,195],
['11日',239,234,null,null],
['12日',332,45,null,45],
['13日',249,null,null,72],
['14日',190,null,190,131],
['15日',189,null,189,126],
['16日',229,null,null,134],
['17日',136,145,136,145],
['18日',201,256,null,null],
['19日',181,24,181,24],
['20日',310,null,null,59],
['21日',212,null,null,86],
['22日',164,null,164,151],
['23日',218,185,null,185],
['24日',257,241,null,null],
['25日',243,214,null,null],
['26日',227,23,null,23],
['27日',231,null,null,41],
['28日',265,null,null,43],
['29日',106,null,106,91],
['30日',157,174,157,174],
['31日',223,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=4;

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

});