FLOT mouse Interactions

HTML

<script src="http://www.flotcharts.org/flot/jquery.flot.js"></script>
 <h1>Flot Examples</h1>

<div id="placeholder" style="width:500px; height:300px;"></div>

JavaScript

var data, data1, options, chart;
  data1 = [
      [1, 4],
      [2, 5],
      [3, 6],
      [4, 9],
      [5, 7],
      [6, 6],
      [7, 2],
      [8, 1],
      [9, 3]
  ];
  var data2 = [],
      data3 = [];
  for (var i = 1; i < 10; i++) {
      data2.push([i, i * 2])
  }
  for (var i = 1; i < 10; i++) {
      data3.push([i, 10 * Math.random()])
  }
  data = [{
      data: data1,
      label: "fixed",
      lines: {
          show: true
      }
  }, {
      data: data2,
      label: "linear",
      lines: {
          show: true
      },
      points: {
          show: true
      }
  }, {
      data: data3,
      label: "random",
      bars: {
          show: true,
          barWidth: 0.5
      }
  }];
  options = {
      legend: {
          position: "nw"
      },
      grid: {
          clickable: true,
          hoverable: true
      }
  }
  $(document).ready(function () {
      chart = $.plot($("#placeholder"), data, options);
  });

  var currentPoint = null;
  $("#placeholder").bind("plothover", function (event, pos, item) {
      if (item) {
          currentPoint = item;
      } else {
          currentPoint = null;
      }
  });

 var DELAY = 200;
 var clicks = 0;
 var timer = null;

  $("#placeholder").bind("plotclick", function (event, pos, item) {       
      if (item) {
        clicks++;  //count clicks
        if(clicks === 1) {
            timer = setTimeout(function() {
                //perform single-click action
                alert("item " + item.dataIndex + " in " + item.series + " clicked");
                chart.highlight(item.series, item.datapoint);
                clicks = 0;  //after action performed, reset counter
            }, DELAY);

        } else {
            clearTimeout(timer);  //prevent single-click action
            //perform double-click action
            alert('Double Click');  
            clicks = 0;  //after action performed, reset counter
        }      

      }
  });