Tag Sizes 1.0

Created Thursday 20th of November 2008 by Andreas Lagerkvist
Copyright © 2008 Andreas Lagerkvist (andreaslagerkvist.com)

Please have a look at the "Other Resources" for bug reports or further help on jQuery. Do not post bug reports or feature requests as comments to unrelated articles. If bug reporting on bugtracker.a-framework.org fails, e-mail me.

What it Does

Use this plug-in on a list of tags (li:s) and it will use whatever numbers found in the list to give each tag a corresponding size.

How to Use

jQuery('#tags').tagSizes('span'); would apply sizes too all li:s in #tags and look for numbers in a span element in each li.

Example

  • Foo (3)
  • Bar (12)
  • Baz (5)

Example Code

HTML

<div id="jquery-tag-sizes-example">
<
ul>
    <
li>Foo (3)</li>
    <
li>Bar (12)</li>
    <
li>Baz (5)</li>
</
ul>
</
div>

JS

// No 'number element' passed in - the plug-in will look for numbers directly in the li:s
jQuery('#jquery-tag-sizes-example').tagSizes();

Source Code

jQuery.fn.tagSizes = function (numberElementmaxSizeminSize) {
    return 
this.each(function () {
        var 
maxSize        maxSize || 24;
        var 
minSize        minSize || parseInt(jQuery('li'this).css('font-size'), 10);
        var 
max            0;
        var 
min            10000;
        var 
slope;
        var 
middle;

        
jQuery(this).find('li').each(function () {
            var 
li            jQuery(this);
            var 
numEl        numberElement li.find(numberElement) : li;
            var 
weight        parseInt(numEl.text().replace(/[^0-9]*/g''), 10) || 1;
            var 
logWeight    Math.log(weight);

            
li.attr('title'weight);

            
jQuery.data(this'tagsizes', {
                
logWeight:    logWeight
                
weight:        weight
            
});

            if (
logWeight min) {
                
min logWeight;
            }
            if (
logWeight max) {
                
max logWeight;
            }
        });

        if (
max min) {
            
slope = (maxSize minSize) / (max min);
        }

        
middle = (minSize maxSize) / 2;

        
jQuery(this).find('li').each(function () {
            var 
li        jQuery(this);
            var 
data    jQuery.data(this'tagsizes');

            if (
max <= min) {
                
li.css('font-size'middle 'px');
            }
            else {
                var 
distance    data.logWeight min;
                var 
result        slope distance minSize;

                if (
result minSize) {
                    
result minSize;
                }
                if (
result maxSize) {
                    
result maxSize;
                }

                
li.css('font-size'result 'px');
            }
        });
    });
};

Download

Plug-in

Requires

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Recent Comments

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    I have been on ko mak as well, and experienced a t...

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    Hehe ok :) I might do that. Later.

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    Do tell us about your projects!

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