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,244,null,null],
['2日',null,287,null,null],
['3日',null,316,null,null],
['4日',219,296,null,null],
['5日',264,267,null,null],
['6日',263,269,null,null],
['7日',269,254,null,null],
['8日',257,220,null,null],
['9日',238,215,null,null],
['10日',217,216,null,null],
['11日',226,232,null,null],
['12日',240,258,null,null],
['13日',245,240,null,null],
['14日',224,269,null,null],
['15日',168,219,168,null],
['16日',215,270,null,null],
['17日',238,271,null,null],
['18日',244,219,null,null],
['19日',273,215,null,null],
['20日',297,205,null,null],
['21日',266,217,null,null],
['22日',260,226,null,null],
['23日',326,242,null,null],
['24日',263,155,null,155],
['25日',272,null,null,174],
['26日',286,null,null,185],
['27日',273,null,null,140],
['28日',266,181,null,181],
['29日',241,213,null,null],
['30日',214,154,null,154],
['31日',258,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)
      }
    });
  }

});