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',256,249,null,null],
['2日',254,246,null,null],
['3日',224,257,null,null],
['4日',253,274,null,null],
['5日',281,264,null,null],
['6日',280,252,null,null],
['7日',293,288,null,null],
['8日',250,225,null,null],
['9日',288,220,null,null],
['10日',269,243,null,null],
['11日',268,233,null,null],
['12日',204,253,null,null],
['13日',227,302,null,null],
['14日',228,323,null,null],
['15日',218,311,null,null],
['16日',235,280,null,null],
['17日',305,280,null,null],
['18日',248,298,null,null],
['19日',268,284,null,null],
['20日',274,249,null,null],
['21日',271,264,null,null],
['22日',267,266,null,null],
['23日',263,303,null,null],
['24日',272,288,null,null],
['25日',241,261,null,null],
['26日',268,259,null,null],
['27日',250,307,null,null],
['28日',258,301,null,null],
['29日',273,303,null,null],
['30日',255,253,null,null],
['31日',266,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)
      }
    });
  }

});