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,235,null,null],
['2日',null,239,null,null],
['3日',239,140,null,140],
['4日',230,null,null,132],
['5日',225,null,null,151],
['6日',179,null,179,168],
['7日',170,null,170,176],
['8日',205,175,null,175],
['9日',224,205,null,null],
['10日',227,221,null,null],
['11日',224,239,null,null],
['12日',241,242,null,null],
['13日',218,256,null,null],
['14日',235,241,null,null],
['15日',239,230,null,null],
['16日',255,243,null,null],
['17日',248,244,null,null],
['18日',232,246,null,null],
['19日',236,253,null,null],
['20日',133,254,133,null],
['21日',null,250,133,null],
['22日',null,236,175,null],
['23日',null,245,200,null],
['24日',null,181,200,181],
['25日',195,187,195,187],
['26日',211,229,null,null],
['27日',205,240,null,null],
['28日',219,250,null,null],
['29日',240,253,null,null],
['30日',249,239,null,null],
['31日',244,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:300},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)
      }
    });
  }

});