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,284,null,null],
['2日',231,251,null,null],
['3日',243,288,null,null],
['4日',226,308,null,null],
['5日',225,303,null,null],
['6日',277,290,null,null],
['7日',288,245,null,null],
['8日',228,226,null,null],
['9日',215,240,null,null],
['10日',238,287,null,null],
['11日',207,285,null,null],
['12日',208,249,null,null],
['13日',247,258,null,null],
['14日',223,271,null,null],
['15日',261,264,null,null],
['16日',246,273,null,null],
['17日',212,303,null,null],
['18日',185,289,185,null],
['19日',254,312,null,null],
['20日',214,325,null,null],
['21日',251,268,null,null],
['22日',243,266,null,null],
['23日',286,274,null,null],
['24日',314,231,null,null],
['25日',227,79,null,79],
['26日',227,null,null,97],
['27日',244,null,null,143],
['28日',245,null,null,193],
['29日',284,null,null,134],
['30日',285,173,null,173],
['31日',291,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=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});