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,130,null,130],
['2日',null,224,null,null],
['3日',null,257,null,null],
['4日',null,362,null,null],
['5日',null,230,null,null],
['6日',null,245,null,null],
['7日',null,249,null,null],
['8日',213,243,null,null],
['9日',133,338,133,null],
['10日',227,285,null,null],
['11日',183,350,183,null],
['12日',259,317,null,null],
['13日',226,275,null,null],
['14日',253,233,null,null],
['15日',304,225,null,null],
['16日',216,286,null,null],
['17日',248,80,null,80],
['18日',218,null,null,84],
['19日',202,null,null,144],
['20日',159,null,159,80],
['21日',225,null,null,30],
['22日',169,null,169,34],
['23日',null,null,138,84],
['24日',184,186,184,186],
['25日',232,222,null,null],
['26日',276,292,null,null],
['27日',390,43,null,43],
['28日',260,null,null,36],
['29日',288,null,null,33],
['30日',94,107,94,107],
['31日',null,null,66,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:400},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)
      }
    });
  }

});