Flot Example: A Simple Line Chart

The following Line chart, drawn by Flot Charts library, is just a very basic example of what this library can do.

The source of the script for the drawing is added as plain text to a Chart Snippet. The content of the chart snippet for the above chart is as following:

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<div class="demo-container">
      <div id="placeholder" class="demo-placeholder" style="float:left; width:500px; height:420px; direction:ltr;"></div>
      <p id="choices" style="float:right; width:135px;"></p>
</div>
 
<style>
.legend table {width: auto;}
.demo-container {
  box-sizing: border-box;
  width: 670px;
  height: 450px;
  padding: 20px 15px 15px 15px;
  margin: 15px auto 30px auto;
  border: 1px solid #ddd;
  background: #fff;
  background: linear-gradient(#f6f6f6 0, #fff 50px);
  background: -o-linear-gradient(#f6f6f6 0, #fff 50px);
  background: -ms-linear-gradient(#f6f6f6 0, #fff 50px);
  background: -moz-linear-gradient(#f6f6f6 0, #fff 50px);
  background: -webkit-linear-gradient(#f6f6f6 0, #fff 50px);
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  -o-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  -ms-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  -moz-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  -webkit-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}
 
.demo-placeholder {
  width: 100%;
  height: 100%;
  font-size: 14px;
  line-height: 1.2em;
}
</style>
 
<script type="text/javascript">
jQuery(function() {
 
  var datasets = {
    "usa": {
      label: "USA",
      data: [[1988, 483994], [1989, 479060], [1990, 457648], [1991, 401949], [1992, 424705], [1993, 402375], [1994, 377867], [1995, 357382], [1996, 337946], [1997, 336185], [1998, 328611], [1999, 329421], [2000, 342172], [2001, 344932], [2002, 387303], [2003, 440813], [2004, 480451], [2005, 504638], [2006, 528692]]
    },        
    "russia": {
      label: "Russia",
      data: [[1988, 218000], [1989, 203000], [1990, 171000], [1992, 42500], [1993, 37600], [1994, 36600], [1995, 21700], [1996, 19200], [1997, 21300], [1998, 13600], [1999, 14000], [2000, 19100], [2001, 21300], [2002, 23600], [2003, 25100], [2004, 26100], [2005, 31100], [2006, 34700]]
    },
    "uk": {
      label: "UK",
      data: [[1988, 62982], [1989, 62027], [1990, 60696], [1991, 62348], [1992, 58560], [1993, 56393], [1994, 54579], [1995, 50818], [1996, 50554], [1997, 48276], [1998, 47691], [1999, 47529], [2000, 47778], [2001, 48760], [2002, 50949], [2003, 57452], [2004, 60234], [2005, 60076], [2006, 59213]]
    },
    "germany": {
      label: "Germany",
      data: [[1988, 55627], [1989, 55475], [1990, 58464], [1991, 55134], [1992, 52436], [1993, 47139], [1994, 43962], [1995, 43238], [1996, 42395], [1997, 40854], [1998, 40993], [1999, 41822], [2000, 41147], [2001, 40474], [2002, 40604], [2003, 40044], [2004, 38816], [2005, 38060], [2006, 36984]]
    },
    "denmark": {
      label: "Denmark",
      data: [[1988, 3813], [1989, 3719], [1990, 3722], [1991, 3789], [1992, 3720], [1993, 3730], [1994, 3636], [1995, 3598], [1996, 3610], [1997, 3655], [1998, 3695], [1999, 3673], [2000, 3553], [2001, 3774], [2002, 3728], [2003, 3618], [2004, 3638], [2005, 3467], [2006, 3770]]
    },
    "sweden": {
      label: "Sweden",
      data: [[1988, 6402], [1989, 6474], [1990, 6605], [1991, 6209], [1992, 6035], [1993, 6020], [1994, 6000], [1995, 6018], [1996, 3958], [1997, 5780], [1998, 5954], [1999, 6178], [2000, 6411], [2001, 5993], [2002, 5833], [2003, 5791], [2004, 5450], [2005, 5521], [2006, 5271]]
    },
    "norway": {
      label: "Norway",
      data: [[1988, 4382], [1989, 4498], [1990, 4535], [1991, 4398], [1992, 4766], [1993, 4441], [1994, 4670], [1995, 4217], [1996, 4275], [1997, 4203], [1998, 4482], [1999, 4506], [2000, 4358], [2001, 4385], [2002, 5269], [2003, 5066], [2004, 5194], [2005, 4887], [2006, 4891]]
    }
  };
 
  // hard-code color indices to prevent them from shifting as
  // countries are turned on/off
 
  var i = 0;
  jQuery.each(datasets, function(key, val) {
    val.color = i;
    ++i;
  });
 
  // insert checkboxes 
  var choiceContainer = jQuery("#choices");
  jQuery.each(datasets, function(key, val) {
    choiceContainer.append("<br/><input type='checkbox' name='" + key +
      "' checked='checked' id='id" + key + "'></input>" +
      "<label for='id" + key + "'>"
      + val.label + "</label>");
  });
 
  choiceContainer.find("input").click(plotAccordingToChoices);
 
  function plotAccordingToChoices() {
    var data = [];
 
    choiceContainer.find("input:checked").each(function () {
      var key = jQuery(this).attr("name");
      if (key && datasets[key]) {
        data.push(datasets[key]);
      }
    });
 
    if (data.length > 0) {
      jQuery.plot("#placeholder", data, {
        yaxis: {
          min: 0
        },
        xaxis: {
          tickDecimals: 0
        }
      });
    }
  }
  plotAccordingToChoices();
  // Add the Flot version string to the footer
  jQuery("#footer").prepend("Flot " + jQuery.plot.version + " – ");
});
</script>
<div class="demo-container">
      <div id="placeholder" class="demo-placeholder" style="float:left; width:500px; height:420px; direction:ltr;"></div>
      <p id="choices" style="float:right; width:135px;"></p>
</div>

<style>
.legend table {width: auto;}
.demo-container {
  box-sizing: border-box;
  width: 670px;
  height: 450px;
  padding: 20px 15px 15px 15px;
  margin: 15px auto 30px auto;
  border: 1px solid #ddd;
  background: #fff;
  background: linear-gradient(#f6f6f6 0, #fff 50px);
  background: -o-linear-gradient(#f6f6f6 0, #fff 50px);
  background: -ms-linear-gradient(#f6f6f6 0, #fff 50px);
  background: -moz-linear-gradient(#f6f6f6 0, #fff 50px);
  background: -webkit-linear-gradient(#f6f6f6 0, #fff 50px);
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  -o-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  -ms-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  -moz-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  -webkit-box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.demo-placeholder {
  width: 100%;
  height: 100%;
  font-size: 14px;
  line-height: 1.2em;
}
</style>

<script type="text/javascript">
jQuery(function() {

  var datasets = {
    "usa": {
      label: "USA",
      data: [[1988, 483994], [1989, 479060], [1990, 457648], [1991, 401949], [1992, 424705], [1993, 402375], [1994, 377867], [1995, 357382], [1996, 337946], [1997, 336185], [1998, 328611], [1999, 329421], [2000, 342172], [2001, 344932], [2002, 387303], [2003, 440813], [2004, 480451], [2005, 504638], [2006, 528692]]
    },        
    "russia": {
      label: "Russia",
      data: [[1988, 218000], [1989, 203000], [1990, 171000], [1992, 42500], [1993, 37600], [1994, 36600], [1995, 21700], [1996, 19200], [1997, 21300], [1998, 13600], [1999, 14000], [2000, 19100], [2001, 21300], [2002, 23600], [2003, 25100], [2004, 26100], [2005, 31100], [2006, 34700]]
    },
    "uk": {
      label: "UK",
      data: [[1988, 62982], [1989, 62027], [1990, 60696], [1991, 62348], [1992, 58560], [1993, 56393], [1994, 54579], [1995, 50818], [1996, 50554], [1997, 48276], [1998, 47691], [1999, 47529], [2000, 47778], [2001, 48760], [2002, 50949], [2003, 57452], [2004, 60234], [2005, 60076], [2006, 59213]]
    },
    "germany": {
      label: "Germany",
      data: [[1988, 55627], [1989, 55475], [1990, 58464], [1991, 55134], [1992, 52436], [1993, 47139], [1994, 43962], [1995, 43238], [1996, 42395], [1997, 40854], [1998, 40993], [1999, 41822], [2000, 41147], [2001, 40474], [2002, 40604], [2003, 40044], [2004, 38816], [2005, 38060], [2006, 36984]]
    },
    "denmark": {
      label: "Denmark",
      data: [[1988, 3813], [1989, 3719], [1990, 3722], [1991, 3789], [1992, 3720], [1993, 3730], [1994, 3636], [1995, 3598], [1996, 3610], [1997, 3655], [1998, 3695], [1999, 3673], [2000, 3553], [2001, 3774], [2002, 3728], [2003, 3618], [2004, 3638], [2005, 3467], [2006, 3770]]
    },
    "sweden": {
      label: "Sweden",
      data: [[1988, 6402], [1989, 6474], [1990, 6605], [1991, 6209], [1992, 6035], [1993, 6020], [1994, 6000], [1995, 6018], [1996, 3958], [1997, 5780], [1998, 5954], [1999, 6178], [2000, 6411], [2001, 5993], [2002, 5833], [2003, 5791], [2004, 5450], [2005, 5521], [2006, 5271]]
    },
    "norway": {
      label: "Norway",
      data: [[1988, 4382], [1989, 4498], [1990, 4535], [1991, 4398], [1992, 4766], [1993, 4441], [1994, 4670], [1995, 4217], [1996, 4275], [1997, 4203], [1998, 4482], [1999, 4506], [2000, 4358], [2001, 4385], [2002, 5269], [2003, 5066], [2004, 5194], [2005, 4887], [2006, 4891]]
    }
  };

  // hard-code color indices to prevent them from shifting as
  // countries are turned on/off

  var i = 0;
  jQuery.each(datasets, function(key, val) {
    val.color = i;
    ++i;
  });

  // insert checkboxes 
  var choiceContainer = jQuery("#choices");
  jQuery.each(datasets, function(key, val) {
    choiceContainer.append("<br/><input type='checkbox' name='" + key +
      "' checked='checked' id='id" + key + "'></input>" +
      "<label for='id" + key + "'>"
      + val.label + "</label>");
  });

  choiceContainer.find("input").click(plotAccordingToChoices);

  function plotAccordingToChoices() {
    var data = [];

    choiceContainer.find("input:checked").each(function () {
      var key = jQuery(this).attr("name");
      if (key && datasets[key]) {
        data.push(datasets[key]);
      }
    });

    if (data.length > 0) {
      jQuery.plot("#placeholder", data, {
        yaxis: {
          min: 0
        },
        xaxis: {
          tickDecimals: 0
        }
      });
    }
  }
  plotAccordingToChoices();
  // Add the Flot version string to the footer
  jQuery("#footer").prepend("Flot " + jQuery.plot.version + " – ");
});
</script>

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