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,228,null,null],
['2日',167,276,167,null],
['3日',null,234,197,null],
['4日',null,247,180,null],
['5日',null,262,198,null],
['6日',181,146,181,146],
['7日',236,null,null,160],
['8日',240,181,null,181],
['9日',266,201,null,null],
['10日',218,220,null,null],
['11日',242,253,null,null],
['12日',232,248,null,null],
['13日',235,219,null,null],
['14日',243,214,null,null],
['15日',237,221,null,null],
['16日',183,215,183,null],
['17日',177,228,177,null],
['18日',211,254,null,null],
['19日',201,307,null,null],
['20日',205,314,null,null],
['21日',227,245,null,null],
['22日',254,258,null,null],
['23日',248,232,null,null],
['24日',210,254,null,null],
['25日',239,279,null,null],
['26日',217,202,null,null],
['27日',215,112,null,112],
['28日',231,null,null,128],
['29日',258,null,null,161],
['30日',271,136,null,136],
['31日',261,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: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)
      }
    });
  }

});