35 lines
1.4 KiB
JavaScript
35 lines
1.4 KiB
JavaScript
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/* vertigro v1.1 - Automatically grow your textarea vertically.
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Copyright (C) 2009 Paul Pham <http://jquery.aquaron.com/vertigro>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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(function($){
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$.fn.vertigro = function($max,$div) {
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return this.filter('textarea').each(function() {
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var grow = function(e) {
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if ($max && $div) {
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if ($(this).val().length > $max && e.which != 8)
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return false;
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$('#'+$div).html($max-$(this).val().length);
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}
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if (this.clientHeight < this.scrollHeight)
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$(this).height(this.scrollHeight
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+ (parseInt($(this).css('lineHeight').replace(/px$/,''))||20)
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+ 'px');
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};
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$(this).css('overflow','hidden').keydown(grow).keyup(grow).change(grow);
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});
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};
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})(jQuery);
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