Created
September 15, 2010 20:07
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A word count and limit for tinyMCE
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// this assumes an existing html tag containing the upper limit | |
// of the word count, with an id of #word-count- + the id of the tinymce instance | |
// e.g. <p>Words left: <span id="word-count-textarea-1">200</span></p> | |
// add as a parameter to the tinyMCE.init({}); function | |
setup: function(ed) { | |
var text = ''; | |
var span = document.getElementById('word-count-' + ed.id); | |
if(span) { | |
var wordlimit = span.innerHTML; | |
ed.onKeyDown.add(function(ed, e) { | |
text = ed.getContent().replace(/(< ([^>]+)<)/g, '').replace(/\s+/g, ' '); | |
text = text.replace(/^\s\s*/, '').replace(/\s\s*$/, ''); | |
wordcount = wordlimit - (text.split(' ').length); | |
span.innerHTML = wordcount; | |
if(wordcount <= 0 && e.keyCode != 8) { | |
return tinymce.dom.Event.cancel(e); | |
} | |
}); | |
} | |
} |
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Could you please give an example on how to implement it and explain what means "add as a parameter to the tinyMCE.init({}); function" ?
I'm sorry to be a very javascript beginner...