Файл: whmcs/includes/jscript/jqueryag.js
Строк: 109
<?php
/*
* Auto Expanding Text Area (1.2.2)
* by Chrys Bader (www.chrysbader.com)
* chrysb@gmail.com
*
* Special thanks to:
* Jake Chapa - jake@hybridstudio.com
* John Resig - jeresig@gmail.com
*
* Copyright (c) 2008 Chrys Bader (www.chrysbader.com)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
*
* NOTE: This script requires jQuery to work. Download jQuery at www.jquery.com
*
*/
(function(jQuery) {
var self = null;
jQuery.fn.autogrow = function(o)
{
return this.each(function() {
new jQuery.autogrow(this, o);
});
};
/**
* The autogrow object.
*
* @constructor
* @name jQuery.autogrow
* @param Object e The textarea to create the autogrow for.
* @param Hash o A set of key/value pairs to set as configuration properties.
* @cat Plugins/autogrow
*/
jQuery.autogrow = function (e, o)
{
this.options = o || {};
this.dummy = null;
this.interval = null;
this.line_height = this.options.lineHeight || parseInt(jQuery(e).css('line-height'));
this.min_height = this.options.minHeight || parseInt(jQuery(e).css('min-height'));
this.max_height = this.options.maxHeight || parseInt(jQuery(e).css('max-height'));;
this.textarea = jQuery(e);
if(this.line_height == NaN)
this.line_height = 0;
// Only one textarea activated at a time, the one being used
this.init();
};
jQuery.autogrow.fn = jQuery.autogrow.prototype = {
autogrow: '1.2.2'
};
jQuery.autogrow.fn.extend = jQuery.autogrow.extend = jQuery.extend;
jQuery.autogrow.fn.extend({
init: function() {
var self = this;
this.textarea.css({overflow: 'hidden', display: 'block'});
this.textarea.bind('focus', function() { self.startExpand() } ).bind('blur', function() { self.stopExpand() });
this.checkExpand();
},
startExpand: function() {
var self = this;
this.interval = window.setInterval(function() {self.checkExpand()}, 400);
},
stopExpand: function() {
clearInterval(this.interval);
},
checkExpand: function() {
if (this.dummy == null)
{
this.dummy = jQuery('<div></div>');
this.dummy.css({
'font-size' : this.textarea.css('font-size'),
'font-family': this.textarea.css('font-family'),
'width' : this.textarea.css('width'),
'padding' : this.textarea.css('padding'),
'line-height': this.line_height + 'px',
'overflow-x' : 'hidden',
'position' : 'absolute',
'top' : 0,
'left' : -9999
}).appendTo('body');
}
// Strip HTML tags
var html = this.textarea.val().replace(/(<|>)/g, '');
// IE is different, as per usual
if ($.browser.msie)
{
html = html.replace(/n/g, '<BR>new');
}
else
{
html = html.replace(/n/g, '<br>new');
}
if (this.dummy.html() != html)
{
this.dummy.html(html);
if (this.max_height > 0 && (this.dummy.height() + this.line_height > this.max_height))
{
this.textarea.css('overflow-y', 'auto');
}
else
{
this.textarea.css('overflow-y', 'hidden');
if (this.textarea.height() < this.dummy.height() + this.line_height || (this.dummy.height() < this.textarea.height()))
{
this.textarea.animate({height: (this.dummy.height() + this.line_height) + 'px'}, 100);
}
}
}
}
});
})(jQuery);
?>