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| /*
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.
<a href="http://github.com/jquery/jquery/blob/master/MIT-LICENSE.txt" target="_blank">http://github.com/jquery/jquery/blob...IT-LICENSE.txt</a>
<a href="http://github.com/jquery/jquery/blob/master/GPL-LICENSE.txt" target="_blank">http://github.com/jquery/jquery/blob...PL-LICENSE.txt</a>
Project site: <a href="http://razorjack.net/quicksand" target="_blank">http://razorjack.net/quicksand</a>
Github site: <a href="http://github.com/razorjack/quicksand" target="_blank">http://github.com/razorjack/quicksand</a>
*/
(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); |
