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,323,null,null],
['2日',null,259,null,null],
['3日',262,245,null,null],
['4日',251,237,null,null],
['5日',270,263,null,null],
['6日',306,231,null,null],
['7日',244,279,null,null],
['8日',276,313,null,null],
['9日',297,288,null,null],
['10日',246,197,null,197],
['11日',274,null,null,63],
['12日',265,null,null,101],
['13日',249,null,null,140],
['14日',46,194,46,194],
['15日',null,217,99,null],
['16日',null,227,143,null],
['17日',142,229,142,null],
['18日',219,107,null,107],
['19日',240,159,null,159],
['20日',241,209,null,null],
['21日',165,226,165,null],
['22日',240,244,null,null],
['23日',265,243,null,null],
['24日',270,247,null,null],
['25日',275,136,null,136],
['26日',248,188,null,188],
['27日',249,219,null,null],
['28日',210,219,null,null],
['29日',247,214,null,null],
['30日',285,268,null,null],
['31日',316,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)
      }
    });
  }

});