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jQuery Flot (stacked bar chart) and Coldfusion cfquery

Hello,

I'm trying to implement a stacked bar chart using jQuery Flot. The problem is, I'm having a hard time trying to pass the results of a cfquery to the chart. Any help and sample code is appreciated!

The below is the code I'm using for the chart. Need to pass the query results to d1 and d2.  Thanks!


if($("#stackchart").length)
	{
		var d1 = [
            [0, 20],
            [1, 35],
            [2, 20],
            [3, 35],
            [4, 35],
        ];
		

		var d2 = [
			[0, 100],
            [1, 150],
            [2, 125],
            [3, 160],
            [4, 95]	  
			];
		
		var stack = 0, bars = true, lines = false, steps = false;

		function plotWithOptions() {
			$.plot($("#stackchart"), [ { label:"Dispositioned", data: d1}, { label:"Qualifying", data:d2}], {				  
				series: {
					stack: stack,
					lines: { show: lines, fill: true, steps: steps },
					bars: { show: bars, barWidth: 0.6 },
				},
				colors: ["#2FABE9","#FA5833"],
			}
			);
			
		  }

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0
HumanScaleDev
Asked:
HumanScaleDev
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1 Solution
 
Robert SchuttSoftware EngineerCommented:
I have created a page with your code, just adding a call to plotWithOptions and it seems to work fine.
<script type="text/javascript">

$(function() {


if($("#stackchart").length)
	{
		var d1 = [
            [0, 20],
            [1, 35],
            [2, 20],
            [3, 35],
            [4, 35],
        ];
		

		var d2 = [
			[0, 100],
            [1, 150],
            [2, 125],
            [3, 160],
            [4, 95]	  
			];
		
		var stack = 0, bars = true, lines = false, steps = false;

		function plotWithOptions() {
			$.plot($("#stackchart"), [ { label:"Dispositioned", data: d1}, { label:"Qualifying", data:d2}], {				  
				series: {
					stack: stack,
					lines: { show: lines, fill: true, steps: steps },
					bars: { show: bars, barWidth: 0.6 },
				},
				colors: ["#2FABE9","#FA5833"],
			}
			);
			
		  }

		  plotWithOptions();
	}

});

</script>

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test page here: http://schutt.nl/ee/Q_28362467
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Robert SchuttSoftware EngineerCommented:
PS: I was assuming you have no problem generating the arrays. If that assumption is wrong, I can't test cf code but some basic examples "from the source" can be found here: http://livedocs.adobe.com/coldfusion/8/htmldocs/help.html?content=arrayStruct_05.html#1123267
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HumanScaleDevAuthor Commented:
I apologize some other urgent priority came up. I will try to look into this this week and I will close this question once  I have a chance. But from what I read, looks like all I needed was another set of eyes looking into this. :). I will get back to you as soon as I have a chance. Thank you!
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HumanScaleDevAuthor Commented:
It's working great thanks!  Do you happen to know how to add the tooltip displaying the values?
Thank you!
0
 
Robert SchuttSoftware EngineerCommented:
I've searched around a bit, it seems you need custom code for this, even some plugins exist. I tried a few but didn't get it to work with the above code yet...
0
 
Robert SchuttSoftware EngineerCommented:
Ah, found something.
<script type="text/javascript">

$(function() {


if($("#stackchart").length)
    {
        var d1 = [
            [0, 20],
            [1, 35],
            [2, 20],
            [3, 35],
            [4, 35],
        ];
        

        var d2 = [
            [0, 100],
            [1, 150],
            [2, 125],
            [3, 160],
            [4, 95]	  
            ];
        
        var stack = 0, bars = true, lines = false, steps = false;

        function plotWithOptions() {
            $.plot($("#stackchart"), [ { label:"Dispositioned", data: d1}, { label:"Qualifying", data:d2}], {
                series: {
                    stack: stack,
                    lines: { show: lines, fill: true, steps: steps },
                    bars: { show: bars, barWidth: 0.6 },
                },
                colors: ["#2FABE9","#FA5833"],
                grid: { // this one is important
                    hoverable: true
                }
            });

        }

        plotWithOptions();

        function showTooltip(x, y, contents, z) {
            $('<div id="ftt">' + contents + '</div>').css({
                top: y - 20,
                left: x - 90,
                'border-color': z,
            }).appendTo("body").show();
        }

        $("#stackchart").bind("plothover", function (event, pos, item) {
            if (item) {
                if (previousPoint != item.datapoint) {
                    previousPoint = item.datapoint;
                    $("#ftt").remove();
     
                    x = item.datapoint[0];
                    y = item.datapoint[1];
                    z = item.series.color;
     
                    showTooltip(item.pageX, item.pageY,
                        "<b>" + item.series.label + "</b><br /> " + x + " = " + y,
                        z);
                }
            } else {
                $("#ftt").remove();
                previousPoint = null;
            }
        });

    }

});

</script>

<style type="text/css">
#ftt {
    position: absolute;
    border: 3px solid black;
    background-color: rgba(255,255,223,0.7);
}
</style>

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Note the addition in the options when calling plot(). Also there's a lot of customisation you can do in the new function and CSS.
capture
0
 
HumanScaleDevAuthor Commented:
thank you! this is awesome! you just need to declare "previousPoint" otherwise you'll get a js error, that's all! thanks again! :D
0
 
HumanScaleDevAuthor Commented:
I appreciate your help and your time as the tooltip question was not included here. Thank you so much!
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