+++ /dev/null
-/**
-* @name Elastic
-* @descripton Elastic is Jquery plugin that grow and shrink your textareas automaticliy
-* @version 1.6.3
-* @requires Jquery 1.2.6+
-*
-* @author Jan Jarfalk
-* @author-email jan.jarfalk@unwrongest.com
-* @author-website http://www.unwrongest.com
-*
-* @licens MIT License - http://www.opensource.org/licenses/mit-license.php
-*/
-
-(function(jQuery){
- jQuery.fn.extend({
- elastic: function() {
-
- // We will create a div clone of the textarea
- // by copying these attributes from the textarea to the div.
- var mimics = [
- 'paddingTop',
- 'paddingRight',
- 'paddingBottom',
- 'paddingLeft',
- 'fontSize',
- 'lineHeight',
- 'fontFamily',
- 'width',
- 'fontWeight'];
-
- return this.each( function() {
-
- // Elastic only works on textareas
- if ( this.type != 'textarea' ) {
- return false;
- }
-
- var $textarea = jQuery(this),
- $twin = jQuery('<div />').css({'position': 'absolute','display':'none','word-wrap':'break-word'}),
- lineHeight = parseInt($textarea.css('line-height'),10) || parseInt($textarea.css('font-size'),'10'),
- minheight = parseInt($textarea.css('height'),10) || lineHeight*3,
- maxheight = parseInt($textarea.css('max-height'),10) || Number.MAX_VALUE,
- goalheight = 0,
- i = 0;
-
- // Opera returns max-height of -1 if not set
- if (maxheight < 0) { maxheight = Number.MAX_VALUE; }
-
- // Append the twin to the DOM
- // We are going to meassure the height of this, not the textarea.
- $twin.appendTo($textarea.parent());
-
- // Copy the essential styles (mimics) from the textarea to the twin
- var i = mimics.length;
- while(i--){
- $twin.css(mimics[i].toString(),$textarea.css(mimics[i].toString()));
- }
-
-
- // Sets a given height and overflow state on the textarea
- function setHeightAndOverflow(height, overflow){
- curratedHeight = Math.floor(parseInt(height,10));
- if($textarea.height() != curratedHeight){
- $textarea.css({'height': curratedHeight + 'px','overflow':overflow});
-
- }
- }
-
-
- // This function will update the height of the textarea if necessary
- function update() {
-
- // Get curated content from the textarea.
- var textareaContent = $textarea.val().replace(/&/g,'&').replace(/ /g, ' ').replace(/<|>/g, '>').replace(/\n/g, '<br />');
-
- var twinContent = $twin.html();
-
- if(textareaContent+' ' != twinContent){
-
- // Add an extra white space so new rows are added when you are at the end of a row.
- $twin.html(textareaContent+' ');
-
- // Change textarea height if twin plus the height of one line differs more than 3 pixel from textarea height
- if(Math.abs($twin.height()+lineHeight - $textarea.height()) > 3){
-
- var goalheight = $twin.height()+lineHeight;
- if(goalheight >= maxheight) {
- setHeightAndOverflow(maxheight,'auto');
- } else if(goalheight <= minheight) {
- setHeightAndOverflow(minheight,'hidden');
- } else {
- setHeightAndOverflow(goalheight,'hidden');
- }
-
- }
-
- }
-
- }
-
- // Hide scrollbars
- $textarea.css({'overflow':'hidden'});
-
- // Update textarea size on keyup
- $textarea.keyup(function(){ update(); });
-
- // And this line is to catch the browser paste event
- $textarea.live('input paste',function(e){ setTimeout( update, 250); });
-
- // Run update once when elastic is initialized
- update();
-
- });
-
- }
- });
-})(jQuery);
\ No newline at end of file
fnp / redakcja.git / blobdiff