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',232,null,null,127],
['2日',77,158,77,158],
['3日',null,206,87,null],
['4日',null,108,95,108],
['5日',null,null,142,151],
['6日',null,null,183,76],
['7日',null,null,131,95],
['8日',null,null,174,118],
['9日',null,null,111,118],
['10日',null,null,123,171],
['11日',null,198,147,198],
['12日',157,225,157,null],
['13日',215,199,null,199],
['14日',258,null,null,165],
['15日',302,null,null,175],
['16日',49,null,49,94],
['17日',null,null,63,128],
['18日',null,175,93,175],
['19日',156,227,156,null],
['20日',242,54,null,54],
['21日',250,null,null,76],
['22日',280,null,null,95],
['23日',232,null,null,96],
['24日',217,null,null,148],
['25日',199,192,199,192],
['26日',138,220,138,null],
['27日',203,200,null,200],
['28日',249,194,null,194],
['29日',315,201,null,null],
['30日',98,183,98,183],
['31日',null,null,107,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)
      }
    });
  }

});