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,null,null,168],
['2日',null,null,null,134],
['3日',210,144,null,144],
['4日',189,206,189,null],
['5日',227,198,null,198],
['6日',252,null,null,175],
['7日',222,null,null,163],
['8日',217,null,null,181],
['9日',167,null,167,178],
['10日',null,159,139,159],
['11日',null,221,147,null],
['12日',null,200,131,200],
['13日',null,213,141,null],
['14日',null,220,152,null],
['15日',null,206,159,null],
['16日',null,215,191,null],
['17日',null,218,117,null],
['18日',120,231,120,null],
['19日',203,211,null,null],
['20日',186,229,186,null],
['21日',null,213,194,null],
['22日',null,251,161,null],
['23日',null,239,138,null],
['24日',137,222,137,null],
['25日',206,232,null,null],
['26日',203,256,null,null],
['27日',229,240,null,null],
['28日',227,280,null,null],
['29日',184,240,184,null],
['30日',null,305,168,null],
['31日',null,null,189,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)
      }
    });
  }

});