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,186,null,186],
['2日',null,207,null,null],
['3日',null,178,null,178],
['4日',142,277,142,null],
['5日',null,337,136,null],
['6日',null,213,142,null],
['7日',136,186,136,186],
['8日',225,213,null,null],
['9日',169,208,169,null],
['10日',213,211,null,null],
['11日',210,266,null,null],
['12日',206,221,null,null],
['13日',213,186,null,186],
['14日',279,262,null,null],
['15日',267,259,null,null],
['16日',203,219,null,null],
['17日',264,123,null,123],
['18日',278,154,null,154],
['19日',166,217,166,null],
['20日',null,165,98,165],
['21日',170,214,170,null],
['22日',240,161,null,161],
['23日',192,171,192,171],
['24日',176,230,176,null],
['25日',202,243,null,null],
['26日',190,221,190,null],
['27日',163,277,163,null],
['28日',212,244,null,null],
['29日',207,293,null,null],
['30日',208,254,null,null],
['31日',210,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=2;

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

});