1 files changed, 56 insertions, 0 deletions
diff --git a/ui/jquery.effects.fold.js b/ui/jquery.effects.fold.js
new file mode 100644
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+++ b/ui/jquery.effects.fold.js
@@ -0,0 +1,56 @@
+/*
+ * jQuery UI Effects Fold @VERSION
+ *
+ * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
+ * and GPL (GPL-LICENSE.txt) licenses.
+ *
+ * http://docs.jquery.com/UI/Effects/Fold
+ *
+ * Depends:
+ *	jquery.effects.core.js
+ */
+(function($) {
+
+$.effects.fold = function(o) {
+
+	return this.queue(function() {
+
+		// Create element
+		var el = $(this), props = ['position','top','left'];
+
+		// Set options
+		var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode
+		var size = o.options.size || 15; // Default fold size
+		var horizFirst = !(!o.options.horizFirst); // Ensure a boolean value
+		var duration = o.duration ? o.duration / 2 : $.fx.speeds._default / 2;
+
+		// Adjust
+		$.effects.save(el, props); el.show(); // Save & Show
+		var wrapper = $.effects.createWrapper(el).css({overflow:'hidden'}); // Create Wrapper
+		var widthFirst = ((mode == 'show') != horizFirst);
+		var ref = widthFirst ? ['width', 'height'] : ['height', 'width'];
+		var distance = widthFirst ? [wrapper.width(), wrapper.height()] : [wrapper.height(), wrapper.width()];
+		var percent = /([0-9]+)%/.exec(size);
+		if(percent) size = parseInt(percent[1],10) / 100 * distance[mode == 'hide' ? 0 : 1];
+		if(mode == 'show') wrapper.css(horizFirst ? {height: 0, width: size} : {height: size, width: 0}); // Shift
+
+		// Animation
+		var animation1 = {}, animation2 = {};
+		animation1[ref[0]] = mode == 'show' ? distance[0] : size;
+		animation2[ref[1]] = mode == 'show' ? distance[1] : 0;
+
+		// Animate
+		wrapper.animate(animation1, duration, o.options.easing)
+		.animate(animation2, duration, o.options.easing, function() {
+			if(mode == 'hide') el.hide(); // Hide
+			$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
+			if(o.callback) o.callback.apply(el[0], arguments); // Callback
+			el.dequeue();
+		});
+
+	});
+
+};
+
+})(jQuery);