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,220,null,null],
['2日',96,100,96,100],
['3日',null,null,98,104],
['4日',null,null,135,143],
['5日',null,195,178,195],
['6日',null,206,159,null],
['7日',null,193,150,193],
['8日',193,211,193,null],
['9日',207,225,null,null],
['10日',191,224,191,null],
['11日',206,205,null,null],
['12日',97,123,97,123],
['13日',null,159,104,159],
['14日',null,201,131,null],
['15日',null,210,159,null],
['16日',186,234,186,null],
['17日',208,220,null,null],
['18日',189,200,189,200],
['19日',202,198,null,198],
['20日',203,230,null,null],
['21日',202,213,null,null],
['22日',234,204,null,null],
['23日',229,210,null,null],
['24日',215,210,null,null],
['25日',225,225,null,null],
['26日',260,221,null,null],
['27日',201,232,null,null],
['28日',203,254,null,null],
['29日',216,234,null,null],
['30日',230,226,null,null],
['31日',226,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)
      }
    });
  }

});