From ad61ffdbaf004dd3b33adf8f2780500069fa097b Mon Sep 17 00:00:00 2001
From: Ugnich Anton
Date: Sat, 28 Jan 2012 14:45:42 +0700
Subject: JS, CSS, PNG

---
 web/js/jquery.autoresize.js | 230 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 230 insertions(+)
 create mode 100644 web/js/jquery.autoresize.js

(limited to 'web/js/jquery.autoresize.js')

diff --git a/web/js/jquery.autoresize.js b/web/js/jquery.autoresize.js
new file mode 100644
index 00000000..a54ec545
--- /dev/null
+++ b/web/js/jquery.autoresize.js
@@ -0,0 +1,230 @@
+/*
+ * jQuery.fn.autoResize 1.1
+ * --
+ * https://github.com/jamespadolsey/jQuery.fn.autoResize
+ * --
+ * This program is free software. It comes without any warranty, to
+ * the extent permitted by applicable law. You can redistribute it
+ * and/or modify it under the terms of the Do What The Fuck You Want
+ * To Public License, Version 2, as published by Sam Hocevar. See
+ * http://sam.zoy.org/wtfpl/COPYING for more details. */ 
+
+(function($){
+
+	var defaults = autoResize.defaults = {
+		onResize: function(){},
+		animate: {
+			duration: 200,
+			complete: function(){}
+		},
+		extraSpace: 0,
+		minHeight: 1,
+		maxHeight: 500,
+		minWidth: 'original',
+		maxWidth: 500
+	};
+
+	autoResize.cloneCSSProperties = [
+		'lineHeight', 'textDecoration', 'letterSpacing',
+		'fontSize', 'fontFamily', 'fontStyle', 'fontWeight',
+		'textTransform', 'textAlign', 'direction', 'wordSpacing', 'fontSizeAdjust',
+		'padding'
+	];
+
+	autoResize.cloneCSSValues = {
+		position: 'absolute',
+		top: -9999,
+		left: -9999,
+		opacity: 0,
+		overflow: 'hidden'
+	};
+
+	autoResize.resizableFilterSelector = 'textarea,input:not(input[type]),input[type=text],input[type=password]';
+
+	autoResize.AutoResizer = AutoResizer;
+
+	$.fn.autoResize = autoResize;
+
+	function autoResize(config) {
+		this.filter(autoResize.resizableFilterSelector).each(function(){
+			new AutoResizer( $(this), config );
+		});
+		return this;
+	}
+
+	function AutoResizer(el, config) {
+		
+		config = this.config = $.extend(autoResize.defaults, config);
+		this.el = el;
+
+		this.nodeName = el[0].nodeName.toLowerCase();
+
+		this.originalHeight = el.height();
+		this.previousScrollTop = null;
+
+		this.value = el.val();
+
+		if (config.maxWidth === 'original') config.maxWidth = el.width();
+		if (config.minWidth === 'original') config.minWidth = el.width();
+		if (config.maxHeight === 'original') config.maxHeight = el.height();
+		if (config.minHeight === 'original') config.minHeight = el.height();
+
+		if (this.nodeName === 'textarea') {
+			el.css({
+				resize: 'none',
+				overflowY: 'hidden'
+			});
+		}
+
+		el.data('AutoResizer', this);
+
+		this.createClone();
+		this.injectClone();
+		this.bind();
+
+	}
+
+	AutoResizer.prototype = {
+
+		bind: function() {
+
+			var check = $.proxy(function(){
+				this.check();
+				return true;
+			}, this);
+
+			this.unbind();
+
+			this.el
+				.bind('keyup.autoResize', check)
+				//.bind('keydown.autoResize', check)
+				.bind('change.autoResize', check);
+			
+			this.check(null, true);
+
+		},
+
+		unbind: function() {
+			this.el.unbind('.autoResize');
+		},
+
+		createClone: function() {
+
+			var el = this.el,
+				clone;
+
+			if (this.nodeName === 'textarea') {
+				clone = el.clone().height('auto');
+			} else {
+				clone = $('<span/>').width('auto').css({
+					whiteSpace: 'nowrap'
+				});
+			}
+
+			this.clone = clone;
+
+			$.each(autoResize.cloneCSSProperties, function(i, p){
+				clone[0].style[p] = el.css(p);
+			});
+
+			clone
+				.removeAttr('name')
+				.removeAttr('id')
+				.attr('tabIndex', -1)
+				.css(autoResize.cloneCSSValues);
+
+		},
+
+		check: function(e, immediate) {
+
+			var config = this.config,
+				clone = this.clone,
+				el = this.el,
+				value = el.val();
+
+			if (this.nodeName === 'input') {
+
+				clone.text(value);
+
+				// Calculate new width + whether to change
+				var cloneWidth = clone.width(),
+					newWidth = (cloneWidth + config.extraSpace) >= config.minWidth ?
+						cloneWidth + config.extraSpace : config.minWidth,
+					currentWidth = el.width();
+
+				newWidth = Math.min(newWidth, config.maxWidth);
+
+				if (
+					(newWidth < currentWidth && newWidth >= config.minWidth) ||
+					(newWidth >= config.minWidth && newWidth <= config.maxWidth)
+				) {
+
+					config.onResize.call(el);
+
+					el.scrollLeft(0);
+
+					config.animate && !immediate ?
+						el.stop(1,1).animate({
+							width: newWidth
+						}, config.animate)
+					: el.width(newWidth);
+
+				}
+
+				return;
+
+			}
+
+			// TEXTAREA
+			
+			clone.height(0).val(value).scrollTop(10000);
+			
+			var scrollTop = clone[0].scrollTop + config.extraSpace;
+				
+			// Don't do anything if scrollTop hasen't changed:
+			if (this.previousScrollTop === scrollTop) {
+				return;
+			}
+
+			this.previousScrollTop = scrollTop;
+			
+			if (scrollTop >= config.maxHeight) {
+				el.css('overflowY', '');
+				return;
+			}
+
+			el.css('overflowY', 'hidden');
+
+			if (scrollTop < config.minHeight) {
+				scrollTop = config.minHeight;
+			}
+
+			config.onResize.call(el);
+			
+			// Either animate or directly apply height:
+			config.animate && !immediate ?
+				el.stop(1,1).animate({
+					height: scrollTop
+				}, config.animate)
+				: el.height(scrollTop);
+			
+		},
+
+		destroy: function() {
+			this.unbind();
+			this.el.removeData('AutoResizer');
+			this.clone.remove();
+			delete this.el;
+			delete this.clone;
+		},
+
+		injectClone: function() {
+			(
+				autoResize.cloneContainer ||
+				(autoResize.cloneContainer = $('<arclones/>').appendTo('body'))
+			).append(this.clone);
+		}
+
+	};
+	
+})(jQuery);
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