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({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS前月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS当月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['1日',null,null,null,null,null,null,326,null,null,348,null,null],
['2日',null,null,null,null,null,null,259,null,null,379,null,null],
['3日',null,null,null,null,null,null,349,null,null,388,null,null],
['4日',null,null,null,null,null,null,358,null,null,388,null,null],
['5日',null,null,null,null,null,null,347,null,null,361,null,null],
['6日',null,null,null,null,null,null,330,null,null,250,null,null],
['7日',null,null,null,null,null,null,339,null,null,268,null,null],
['8日',null,null,null,null,null,null,336,null,null,330,null,null],
['9日',null,null,null,null,null,null,238,null,null,325,null,null],
['10日',null,null,null,null,null,null,254,null,null,319,null,null],
['11日',null,null,null,null,null,null,250,null,null,258,null,null],
['12日',null,null,null,null,null,null,288,null,null,289,null,null],
['13日',null,null,null,null,null,null,315,null,null,213,null,null],
['14日',null,null,null,null,null,null,308,null,null,245,null,null],
['15日',null,null,null,null,null,null,315,null,null,286,null,null],
['16日',null,null,null,null,null,null,215,null,null,297,null,null],
['17日',null,null,null,null,null,null,270,null,null,290,null,null],
['18日',null,null,null,null,null,null,339,null,null,290,null,null],
['19日',null,null,null,null,null,null,337,null,null,268,null,null],
['20日',null,null,null,null,null,null,318,null,null,201,null,null],
['21日',null,null,null,null,null,null,340,null,null,234,null,null],
['22日',null,null,null,null,null,null,298,null,null,251,null,null],
['23日',null,null,null,null,null,null,285,null,null,245,null,null],
['24日',null,null,null,null,null,null,306,null,null,234,null,null],
['25日',null,null,null,null,null,null,347,null,null,274,null,null],
['26日',null,null,null,null,null,null,371,null,null,273,null,null],
['27日',null,null,null,null,null,null,357,null,null,221,null,null],
['28日',null,null,null,null,null,null,365,null,null,253,null,null],
['29日',null,null,null,null,null,null,371,null,null,311,null,null],
['30日',null,null,null,null,null,null,260,null,null,270,null,null],
['31日',null,null,null,null,null,null,304,null,null,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:'2018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=10;

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

});