/*globals document,window,jQuery,setTimeout,clearTimeout,animateBlocks */ /* *********************************************************************************** CJ Flashy Slideshow JavaScript framework Copyright (c) 2009, Doug Jones. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: a) Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. b) Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. c) Neither the name of the Creative Juices, Bo. Co. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. For further information, visit the Creative Juices website: www.cjboco.com. Version History 1.0 (10-15-2009) - Initial release. 1.1.0 (10-16-2009) - Added directional support. *********************************************************************************** */ (function ($) { $.fn.cjFlashySlideShow = function (options) { var settings = { // user editable settings xBlocks: 12, yBlocks: 3, minBlockSize: 3, delay: 3000, direction: 'left', style: 'normal', translucent: false, sloppy: false }; var sys = { // system parameters version: '1.0', elem: null, imgs: [], block_dim_x: 0, block_dim_y: 0, sec_y: 0, sec_x: 0, current_img: 0, current_blocks: 0, current_direction: 'left', total_blocks: 0 }; /* utilities ***************************************/ function RandRange(a, b, f) { var v = a + (Math.random() * (b - a)); return typeof f == 'undefined' ? Math.round(v) : v.toFixed(f); } /* core functions ***************************************/ // grab the next image function getNextImage(n) { if (parseInt(n, 10) + 1 < sys.imgs.length) { return sys.imgs[n + 1].src; } else { return sys.imgs[0].src; } } // reset our transitional blocks function resetBlocks() { var next_img = getNextImage(sys.current_img); $(sys.elem).find('div#cjFlashyTransitionTop div.cjFlashyTransitionBlock').each(function () { // radnomize the direction (if set) if (settings.direction === 'random') { var d = ['top', 'left', 'bottom', 'right']; settings.current_direction = d[RandRange(0, d.length - 1)]; if (settings.current_direction === 'top') { $(this)[0]._start_top = settings.minBlockSize * -1; $(this)[0]._start_left = parseInt((sys.block_dim_x * $(this)[0]._x) + (sys.block_dim_x / 2) - (settings.minBlockSize / 2), 10); } else if (settings.current_direction === 'left') { $(this)[0]._start_top = parseInt((sys.block_dim_y * $(this)[0]._y) + (sys.block_dim_y / 2) - (settings.minBlockSize / 2), 10); $(this)[0]._start_left = settings.minBlockSize * -1; } else if (settings.current_direction === 'bottom') { $(this)[0]._start_top = $(sys.elem).height() + settings.minBlockSize; $(this)[0]._start_left = parseInt((sys.block_dim_x * $(this)[0]._x) + (sys.block_dim_x / 2) - (settings.minBlockSize / 2), 10); } else if (settings.current_direction === 'right') { $(this)[0]._start_top = parseInt((sys.block_dim_y * $(this)[0]._y) + (sys.block_dim_y / 2) - (settings.minBlockSize / 2), 10); $(this)[0]._start_left = $(sys.elem).width() + settings.minBlockSize; } else { $(this)[0]._start_top = parseInt((sys.block_dim_y * $(this)[0]._y) + (sys.block_dim_y / 2) - (settings.minBlockSize / 2), 10); $(this)[0]._start_left = parseInt((sys.block_dim_x * $(this)[0]._x) + (sys.block_dim_x / 2) - (settings.minBlockSize / 2), 10); } } $(this).css({ 'top': $(this)[0]._start_top + 'px', 'left': $(this)[0]._start_left + 'px', 'width': settings.minBlockSize + 'px', 'height': settings.minBlockSize + 'px', 'background-image': 'url(' + next_img + ')', 'opacity': $(this)[0]._opacity }); }); } // handle image swaps and delay once transitional blocks are done. function handleBlocksDone() { sys.current_blocks++; if (sys.current_blocks === sys.total_blocks) { var next_img = getNextImage(sys.current_img); $(sys.elem).find('div#cjFlashyTransitionBottom').css({ 'background-image': 'url(' + next_img + ')', 'background-attachment': 'scroll' }); sys.current_blocks = 0; sys.current_img++; if (sys.current_img > sys.imgs.length - 1) { sys.current_img = 0; } resetBlocks(); if ($(sys.elem)[0]._timer !== null) { clearTimeout($(sys.elem)[0]._timer); } $(sys.elem)[0]._timer = setTimeout(animateBlocks, settings.delay); } } // animate our transitional blocks function animateBlocks() { $(sys.elem).find('div#cjFlashyTransitionTop div.cjFlashyTransitionBlock').each(function () { var self = $(this)[0]; $(self).animate({ "top": parseInt(((sys.block_dim_y * self._y) + (sys.block_dim_y / 2) - (settings.minBlockSize / 2)) + (settings.sloppy ? RandRange(0, settings.minBlockSize) - (settings.minBlockSize / 2) : 0), 10) + "px", "left": parseInt(((sys.block_dim_x * self._x) + (sys.block_dim_x / 2) - (settings.minBlockSize / 2)) + (settings.sloppy ? RandRange(0, settings.minBlockSize) - (settings.minBlockSize / 2) : 0), 10) + "px" }, settings.sloppy ? RandRange(350, 1250) : 650, 'linear', function () { $(self).animate({ 'top': self._end_top + 'px', 'left': self._end_left + 'px', 'width': (sys.block_dim_x * 2) + 'px', 'height': (sys.block_dim_y * 2) + 'px', 'opacity': 1 }, settings.sloppy ? RandRange(250, 850) : 650, function () { handleBlocksDone(); }); }); }); } // corrects the block's image offset to the page function correctOffset() { $(sys.elem).find('div#cjFlashyTransitionTop div.cjFlashyTransitionBlock').each(function () { $(this).css({ 'background-position': ($(sys.elem).offset().left - $(window).scrollLeft()) + 'px ' + ($(sys.elem).offset().top - $(window).scrollTop()) + 'px' }); }); } // create our transitional blocks function createBlocks() { var x, y, next_img = getNextImage(sys.current_img); for (y = 0; y < settings.yBlocks; y++) { for (x = 0; x < settings.xBlocks; x++) { var elem = $(sys.elem).find('div#cjFlashyTransitionTop'); $(elem).append('
'); elem = $(sys.elem).find('div#cjFlashyTransitionTop div#cjFlashyTransitionBlock_' + y + '_' + x); $(elem)[0]._x = x; $(elem)[0]._y = y; // set up ending block location $(elem)[0]._end_top = parseInt(((sys.block_dim_y * y) - (sys.block_dim_y / 2)), 10); $(elem)[0]._end_left = parseInt(((sys.block_dim_x * x) - (sys.block_dim_x / 2)), 10); // determine direction if (settings.direction === 'random') { var d = ['top', 'left', 'bottom', 'right']; settings.current_direction = d[RandRange(0, d.length - 1)]; } if (settings.current_direction === 'top') { $(elem)[0]._start_top = settings.minBlockSize * -1; $(elem)[0]._start_left = parseInt((sys.block_dim_x * x) + (sys.block_dim_x / 2) - (settings.minBlockSize / 2), 10); } else if (settings.current_direction === 'left') { $(elem)[0]._start_top = parseInt((sys.block_dim_y * y) + (sys.block_dim_y / 2) - (settings.minBlockSize / 2), 10); $(elem)[0]._start_left = settings.minBlockSize * -1; } else if (settings.current_direction === 'bottom') { $(elem)[0]._start_top = $(sys.elem).height() + settings.minBlockSize; $(elem)[0]._start_left = parseInt((sys.block_dim_x * x) + (sys.block_dim_x / 2) - (settings.minBlockSize / 2), 10); } else if (settings.current_direction === 'right') { $(elem)[0]._start_top = parseInt((sys.block_dim_y * y) + (sys.block_dim_y / 2) - (settings.minBlockSize / 2), 10); $(elem)[0]._start_left = $(sys.elem).width() + settings.minBlockSize; } else { $(elem)[0]._start_top = parseInt((sys.block_dim_y * y) + (sys.block_dim_y / 2) - (settings.minBlockSize / 2), 10); $(elem)[0]._start_left = parseInt((sys.block_dim_x * x) + (sys.block_dim_x / 2) - (settings.minBlockSize / 2), 10); } $(elem)[0]._opacity = settings.translucent ? RandRange(0.1, 0.5, 2) : 1; $(elem).css({ 'position': 'absolute', 'top': $(elem)[0]._start_top + 'px', 'left': $(elem)[0]._start_left + 'px', 'display': 'block', 'width': settings.minBlockSize + 'px', 'height': settings.minBlockSize + 'px', 'margin': '0px', 'padding': '0px', 'background-image': 'url(' + next_img + ')', 'background-repeat': 'no-repeat', 'background-position': $(sys.elem).offset().left + 'px ' + $(sys.elem).offset().top + 'px', 'background-attachment': 'fixed', 'opacity': $(elem)[0]._opacity }); /* set up additional stylings based on style */ if (settings.style === 'rounded') { $(elem).css({ '-moz-border-radius': $(sys.elem).height() + 'px', '-webkit-border-radius': $(sys.elem).height() + 'px' }); } } } // corrects the images offsets if the user scrolls the page $(window).scroll(function () { correctOffset(); }); // corrects the images offsets if the user resizes the page $(window).resize(function () { correctOffset(); }); } /* initialize our plug-in ***************************************/ function init() { // verify the user settings settings.yBlocks = typeof settings.yBlocks !== "number" ? 3 : settings.yBlocks < 0 ? 1 : settings.yBlocks; settings.xBlocks = typeof settings.xBlocks !== "number" ? 3 : settings.xBlocks < 0 ? 1 : settings.xBlocks; settings.minBlockSize = typeof settings.minBlockSize !== "number" ? 5 : settings.minBlockSize < 0 ? 0 : settings.minBlockSize; if ($(sys.elem).width() > $(sys.elem).height() && settings.minBlockSize > $(sys.elem).width()) { settings.minBlockSize = $(sys.elem).width(); } else if (settings.minBlockSize > $(sys.elem).height()) { settings.minBlockSize = $(sys.elem).height(); } settings.delay = typeof settings.delay !== "number" ? 3000 : settings.delay < 0 ? 0 : settings.delay; if (settings.style !== 'rounded') { settings.style = 'normal'; } settings.translucent = typeof settings.translucent !== "boolean" ? false : settings.translucent; settings.sloppy = typeof settings.sloppy !== "boolean" ? false : settings.sloppy; if (settings.direction !== 'top' && settings.direction !== 'left' && settings.direction !== 'bottom' && settings.direction !== 'right' && settings.direction !== 'random' && settings.direction !== 'none') { settings.direction = 'left'; } else if (settings.direction === 'random') { var d = ['top', 'left', 'bottom', 'right']; settings.current_direction = d[RandRange(0, d.length - 1)]; } else { settings.current_direction = settings.direction; } // setup some initial variables sys.imgs = $(sys.elem).find('img'); sys.block_dim_x = Math.ceil($(sys.elem).width() / settings.xBlocks); sys.block_dim_y = Math.ceil($(sys.elem).height() / settings.yBlocks); sys.offset_x = parseInt((parseInt($(sys.elem).css("width"), 10) - (sys.block_dim_x * settings.xBlocks)) / 2, 10); sys.offset_y = parseInt((parseInt($(sys.elem).css("height"), 10) - (sys.block_dim_y * settings.yBlocks)) / 2, 10); sys.total_blocks = settings.xBlocks * settings.yBlocks; sys.current_img = 0; sys.current_blocks = 0; $(sys.elem).append('
'); $(sys.elem).find('div#cjFlashyTransitionBottom').css({ 'position': 'absolute', 'top': '0px', 'left': '0px', 'display': 'block', 'width': $(sys.elem).css("width"), 'height': $(sys.elem).css("height"), 'margin': '0px', 'padding': '0px', 'background-image': 'url("' + sys.imgs[sys.current_img].src + '")', 'background-repeat': 'no-repeat', 'background-attachment': 'scroll', 'z-index': 1, 'overflow': 'hidden' }); $(sys.elem).append('
'); $(sys.elem).find('div#cjFlashyTransitionTop').css({ 'position': 'absolute', 'top': sys.offset_y + 'px', 'left': sys.offset_x + 'px', 'display': 'block', 'width': sys.block_dim_x * settings.xBlocks + 'px', 'height': sys.block_dim_y * settings.yBlocks + 'px', 'margin': '0px', 'padding': '0px', 'z-index': 2, 'overflow': 'hidden' }); createBlocks(); $(sys.elem)[0]._timer = setTimeout(animateBlocks, settings.delay); } /* set up any user passed variables ***************************************/ if (options) { $.extend(settings, options); } /* begin ***************************************/ return this.each(function () { sys.elem = this; if (sys.elem) { init(); } }); }; })(jQuery);