www.gusucode.com > 200套html5精品模板51_75 > 055/js/jquery.quicksand.js
/* Quicksand 1.2.2 Reorder and filter items with a nice shuffling animation. Copyright (c) 2010 Jacek Galanciak (razorjack.net) and agilope.com Big thanks for Piotr Petrus (riddle.pl) for deep code review and wonderful docs & demos. Dual licensed under the MIT and GPL version 2 licenses. http://github.com/jquery/jquery/blob/master/MIT-LICENSE.txt http://github.com/jquery/jquery/blob/master/GPL-LICENSE.txt Project site: http://razorjack.net/quicksand Github site: http://github.com/razorjack/quicksand */ (function ($) { $.fn.quicksand = function (collection, customOptions) { var options = { duration: 750, easing: 'swing', attribute: 'data-id', // attribute to recognize same items within source and dest adjustHeight: 'auto', // 'dynamic' animates height during shuffling (slow), 'auto' adjusts it before or after the animation, false leaves height constant useScaling: true, // disable it if you're not using scaling effect or want to improve performance enhancement: function(c) {}, // Visual enhacement (eg. font replacement) function for cloned elements selector: '> *', dx: 0, dy: 0 }; $.extend(options, customOptions); if ($.browser.msie || (typeof($.fn.scale) == 'undefined')) { // Got IE and want scaling effect? Kiss my ass. options.useScaling = false; } var callbackFunction; if (typeof(arguments[1]) == 'function') { var callbackFunction = arguments[1]; } else if (typeof(arguments[2] == 'function')) { var callbackFunction = arguments[2]; } return this.each(function (i) { var val; var animationQueue = []; // used to store all the animation params before starting the animation; solves initial animation slowdowns var $collection = $(collection).clone(); // destination (target) collection var $sourceParent = $(this); // source, the visible container of source collection var sourceHeight = $(this).css('height'); // used to keep height and document flow during the animation var destHeight; var adjustHeightOnCallback = false; var offset = $($sourceParent).offset(); // offset of visible container, used in animation calculations var offsets = []; // coordinates of every source collection item var $source = $(this).find(options.selector); // source collection items // Replace the collection and quit if IE6 if ($.browser.msie && $.browser.version.substr(0,1)<7) { $sourceParent.html('').append($collection); return; } // Gets called when any animation is finished var postCallbackPerformed = 0; // prevents the function from being called more than one time var postCallback = function () { if (!postCallbackPerformed) { postCallbackPerformed = 1; // hack: // used to be: $sourceParent.html($dest.html()); // put target HTML into visible source container // but new webkit builds cause flickering when replacing the collections $toDelete = $sourceParent.find('> *'); $sourceParent.prepend($dest.find('> *')); $toDelete.remove(); if (adjustHeightOnCallback) { $sourceParent.css('height', destHeight); } options.enhancement($sourceParent); // Perform custom visual enhancements on a newly replaced collection if (typeof callbackFunction == 'function') { callbackFunction.call(this); } } }; // Position: relative situations var $correctionParent = $sourceParent.offsetParent(); var correctionOffset = $correctionParent.offset(); if ($correctionParent.css('position') == 'relative') { if ($correctionParent.get(0).nodeName.toLowerCase() == 'body') { } else { correctionOffset.top += (parseFloat($correctionParent.css('border-top-width')) || 0); correctionOffset.left +=( parseFloat($correctionParent.css('border-left-width')) || 0); } } else { correctionOffset.top -= (parseFloat($correctionParent.css('border-top-width')) || 0); correctionOffset.left -= (parseFloat($correctionParent.css('border-left-width')) || 0); correctionOffset.top -= (parseFloat($correctionParent.css('margin-top')) || 0); correctionOffset.left -= (parseFloat($correctionParent.css('margin-left')) || 0); } // perform custom corrections from options (use when Quicksand fails to detect proper correction) if (isNaN(correctionOffset.left)) { correctionOffset.left = 0; } if (isNaN(correctionOffset.top)) { correctionOffset.top = 0; } correctionOffset.left -= options.dx; correctionOffset.top -= options.dy; // keeps nodes after source container, holding their position $sourceParent.css('height', $(this).height()); // get positions of source collections $source.each(function (i) { offsets[i] = $(this).offset(); }); // stops previous animations on source container $(this).stop(); var dx = 0; var dy = 0; $source.each(function (i) { $(this).stop(); // stop animation of collection items var rawObj = $(this).get(0); if (rawObj.style.position == 'absolute') { dx = -options.dx; dy = -options.dy; } else { dx = options.dx; dy = options.dy; } rawObj.style.position = 'absolute'; rawObj.style.margin = '0'; rawObj.style.top = (offsets[i].top - parseFloat(rawObj.style.marginTop) - correctionOffset.top + dy) + 'px'; rawObj.style.left = (offsets[i].left - parseFloat(rawObj.style.marginLeft) - correctionOffset.left + dx) + 'px'; }); // create temporary container with destination collection var $dest = $($sourceParent).clone(); var rawDest = $dest.get(0); rawDest.innerHTML = ''; rawDest.setAttribute('id', ''); rawDest.style.height = 'auto'; rawDest.style.width = $sourceParent.width() + 'px'; $dest.append($collection); // insert node into HTML // Note that the node is under visible source container in the exactly same position // The browser render all the items without showing them (opacity: 0.0) // No offset calculations are needed, the browser just extracts position from underlayered destination items // and sets animation to destination positions. $dest.insertBefore($sourceParent); $dest.css('opacity', 0.0); rawDest.style.zIndex = -1; rawDest.style.margin = '0'; rawDest.style.position = 'absolute'; rawDest.style.top = offset.top - correctionOffset.top + 'px'; rawDest.style.left = offset.left - correctionOffset.left + 'px'; if (options.adjustHeight === 'dynamic') { // If destination container has different height than source container // the height can be animated, adjusting it to destination height $sourceParent.animate({height: $dest.height()}, options.duration, options.easing); } else if (options.adjustHeight === 'auto') { destHeight = $dest.height(); if (parseFloat(sourceHeight) < parseFloat(destHeight)) { // Adjust the height now so that the items don't move out of the container $sourceParent.css('height', destHeight); } else { // Adjust later, on callback adjustHeightOnCallback = true; } } // Now it's time to do shuffling animation // First of all, we need to identify same elements within source and destination collections $source.each(function (i) { var destElement = []; if (typeof(options.attribute) == 'function') { val = options.attribute($(this)); $collection.each(function() { if (options.attribute(this) == val) { destElement = $(this); return false; } }); } else { destElement = $collection.filter('[' + options.attribute + '=' + $(this).attr(options.attribute) + ']'); } if (destElement.length) { // The item is both in source and destination collections // It it's under different position, let's move it if (!options.useScaling) { animationQueue.push( { element: $(this), animation: {top: destElement.offset().top - correctionOffset.top, left: destElement.offset().left - correctionOffset.left, opacity: 1.0 } }); } else { animationQueue.push({ element: $(this), animation: {top: destElement.offset().top - correctionOffset.top, left: destElement.offset().left - correctionOffset.left, opacity: 1.0, scale: '1.0' } }); } } else { // The item from source collection is not present in destination collections // Let's remove it if (!options.useScaling) { animationQueue.push({element: $(this), animation: {opacity: '0.0'}}); } else { animationQueue.push({element: $(this), animation: {opacity: '0.0', scale: '0.0'}}); } } }); $collection.each(function (i) { // Grab all items from target collection not present in visible source collection var sourceElement = []; var destElement = []; if (typeof(options.attribute) == 'function') { val = options.attribute($(this)); $source.each(function() { if (options.attribute(this) == val) { sourceElement = $(this); return false; } }); $collection.each(function() { if (options.attribute(this) == val) { destElement = $(this); return false; } }); } else { sourceElement = $source.filter('[' + options.attribute + '=' + $(this).attr(options.attribute) + ']'); destElement = $collection.filter('[' + options.attribute + '=' + $(this).attr(options.attribute) + ']'); } var animationOptions; if (sourceElement.length === 0) { // No such element in source collection... if (!options.useScaling) { animationOptions = { opacity: '1.0' }; } else { animationOptions = { opacity: '1.0', scale: '1.0' }; } // Let's create it d = destElement.clone(); var rawDestElement = d.get(0); rawDestElement.style.position = 'absolute'; rawDestElement.style.margin = '0'; rawDestElement.style.top = destElement.offset().top - correctionOffset.top + 'px'; rawDestElement.style.left = destElement.offset().left - correctionOffset.left + 'px'; d.css('opacity', 0.0); // IE if (options.useScaling) { d.css('transform', 'scale(0.0)'); } d.appendTo($sourceParent); animationQueue.push({element: $(d), animation: animationOptions}); } }); $dest.remove(); options.enhancement($sourceParent); // Perform custom visual enhancements during the animation for (i = 0; i < animationQueue.length; i++) { animationQueue[i].element.animate(animationQueue[i].animation, options.duration, options.easing, postCallback); } }); }; })(jQuery); // Custom sorting plugin (function($) { $.fn.sorted = function(customOptions) { var options = { reversed: false, by: function(a) { return a.text(); } }; $.extend(options, customOptions); $data = $(this); arr = $data.get(); arr.sort(function(a, b) { var valA = options.by($(a)); var valB = options.by($(b)); if (options.reversed) { return (valA < valB) ? 1 : (valA > valB) ? -1 : 0; } else { return (valA < valB) ? -1 : (valA > valB) ? 1 : 0; } }); return $(arr); }; })(jQuery); $(function() { var read_button = function(class_names) { var r = { selected: false, type: 0 }; for (var i=0; i < class_names.length; i++) { if (class_names[i].indexOf('selected-') == 0) { r.selected = true; } if (class_names[i].indexOf('segment-') == 0) { r.segment = class_names[i].split('-')[1]; } }; return r; }; var determine_sort = function($buttons) { var $selected = $buttons.parent().filter('[class*="selected-"]'); return $selected.find('a').attr('data-value'); }; var determine_kind = function($buttons) { var $selected = $buttons.parent().filter('[class*="selected-"]'); return $selected.find('a').attr('data-value'); }; var $preferences = { duration: 800, easing: 'easeInOutQuad', adjustHeight: false }; var $list = $('#pro_boxes-filter'); var $data = $list.clone(); var $controls = $('ul.pro_splitter ul'); $controls.each(function(i) { var $control = $(this); var $buttons = $control.find('a'); $buttons.bind('click', function(e) { var $button = $(this); var $button_container = $button.parent(); var button_properties = read_button($button_container.attr('class').split(' ')); var selected = button_properties.selected; var button_segment = button_properties.segment; if (!selected) { $buttons.parent().removeClass('selected-0').removeClass('selected-1').removeClass('selected-2'); $button_container.addClass('selected-' + button_segment); var sorting_type = determine_sort($controls.eq(1).find('a')); var sorting_kind = determine_kind($controls.eq(0).find('a')); if (sorting_kind == 'all') { var $filtered_data = $data.find('li'); } else { var $filtered_data = $data.find('li.' + sorting_kind); } if (sorting_type == 'size') { var $sorted_data = $filtered_data.sorted({ by: function(v) { return parseFloat($(v).find('span').text()); } }); } else { var $sorted_data = $filtered_data.sorted({ by: function(v) { return $(v).find('strong').text().toLowerCase(); } }); } $list.quicksand($sorted_data, $preferences); } e.preventDefault(); }); }); });