/**
* jQuery Diagonal Matrix Fade Plugin
* Examples and documentation at: http://jonobr1.github.com/diagonalFade
* Copyright (c) 2010 Jono Brandel
* Version: .01 (18-MAY-2010)
* Requires: jQuery v1.3.2 or later
*
* To Do:
* + Extend Cycle or write own (based on jquery.cycle.lite.js)
* + Make it so it's not just for a fixed container
*
* Copyright 2010 jonobr1
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

(function(a) { if (a.support == undefined) { a.support = { opacity: !(a.browser.msie)} } a.fn.diagonalFade = function(b) { var d = a.extend({}, a.fn.diagonalFade.defaultOptions, b); return this.each(function() { var y = a(this); var s = y.width(); var e = y.height(); var k = y.children(); var B = k[0].offsetWidth; var v = k[0].offsetHeight; var p = parseInt(e / v); var l = parseInt(s / B); var A = []; var x = []; var z = 0; for (var u = 0; u < p; u++) { A[u] = new Array(l); for (var r = 0; r < l; r++) { if (k[u * l + r] && k[u * l + r].offsetWidth > 0 && k[u * l + r].offsetHeight > 0) { A[u][r] = z; z++ } } } switch (d.fade) { case "in": var g = 1; break; case "out": var g = 0; break } if ((d.fadeDirection_y == "top-bottom" && d.fadeDirection_x == "left-right") || (d.fadeDirection_y == "bottom-top" && d.fadeDirection_x == "right-left")) { for (var u = 0; u < p + l - 1; u++) { var t = (u < l) ? 0 : u - l + 1; var q = (u < p) ? 0 : u - p + 1; var C = new Array(); for (var r = u - q; r >= t; r--) { C.push(A[r][u - r]) } x.push(C) } if (d.fadeDirection_y == "top-bottom" && d.fadeDirection_x == "left-right") { z = -1; c(y, x, z, d.fadeDirection_x, d.fadeDirection_y, g) } else { if (d.fadeDirection_y == "bottom-top" && d.fadeDirection_x == "right-left") { z = x.length; c(y, x, z, d.fadeDirection_x, d.fadeDirection_y, g) } } } else { if ((d.fadeDirection_y == "bottom-top" && d.fadeDirection_x == "left-right") || (d.fadeDirection_y == "top-bottom" && d.fadeDirection_x == "right-left")) { for (var u = 1 - p; u < l; u++) { var C = new Array(); for (var r = 0; r < p; r++) { if ((u + r) >= 0 && (u + r) < l) { C.push(A[r][u + r]) } } x.push(C) } if (d.fadeDirection_y == "bottom-top" && d.fadeDirection_x == "left-right") { z = -1; c(y, x, z, d.fadeDirection_x, d.fadeDirection_y, g) } else { if (d.fadeDirection_y == "top-bottom" && d.fadeDirection_x == "right-left") { z = x.length; c(y, x, z, d.fadeDirection_x, d.fadeDirection_y, g) } } } } }); function c(x, s, n, r, q, w) { var y = x; var u = s; var p = n; var e = w; var h = r; var g = q; var v = true; if ((h == "left-right" && g == "top-bottom") || (h == "left-right" && g == "bottom-top")) { p++; if (u[p]) { for (var m = 0; m < u[p].length; m++) { var l = u[p][m] + 1; y.children(":nth-child(" + l + ")").animate({ opacity: e }, d.time, function() { if (v) { c(y, u, p, h, g, e); v = false } }) } } else { if (a.isFunction(d.complete)) { d.complete.apply(this) } } } else { if ((h == "right-left" && g == "top-bottom") || (h == "right-left" && g == "bottom-top")) { p--; if (p >= 0) { for (var m = 0; m < u[p].length; m++) { var l = u[p][m] + 1; y.children(":nth-child(" + l + ")").animate({ opacity: e }, d.time, function() { if (v) { c(y, u, p, h, g, e); v = false } }) } } else { if (a.isFunction(d.complete)) { d.complete.apply(this) } } } } } }; a.fn.diagonalFade.defaultOptions = { time: 100, fadeDirection_x: "left-right", fadeDirection_y: "top-bottom", fade: "out", complete: null} })(jQuery);