forked from Sasserisop/MATH201
734 lines
24 KiB
JavaScript
734 lines
24 KiB
JavaScript
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/*!
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*
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* jQuery collagePlus Plugin v0.3.3
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* https://github.com/ed-lea/jquery-collagePlus
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*
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* Copyright 2012, Ed Lea twitter.com/ed_lea
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*
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* built for http://qiip.me
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*
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* Dual licensed under the MIT or GPL Version 2 licenses.
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.opensource.org/licenses/GPL-2.0
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*
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*/
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;(function( $ ) {
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$.fn.collagePlus = function( options ) {
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return this.each(function() {
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/*
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*
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* set up vars
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*
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*/
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// track row width by adding images, padding and css borders etc
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var row = 0,
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// collect elements to be re-sized in current row
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elements = [],
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// track the number of rows generated
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rownum = 1,
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// needed for creating some additional defaults that are actually obtained
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// from the dom, which maybe doesn't make them defaults ?!
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$this = $(this);
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// width of the area the collage will be in
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$.fn.collagePlus.defaults.albumWidth = $this.width();
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// padding between the images. Using padding left as we assume padding is even all the way round
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$.fn.collagePlus.defaults.padding = parseFloat( $this.css('padding-left') );
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// object that contains the images to collage
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$.fn.collagePlus.defaults.images = $this.children();
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var settings = $.extend({}, $.fn.collagePlus.defaults, options);
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settings.images.each(
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function(index){
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/*
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*
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* Cache selector
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* Even if first child is not an image the whole sizing is based on images
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* so where we take measurements, we take them on the images
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*
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*/
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var $this = $(this),
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$img = ($this.is("img")) ? $this : $(this).find("img");
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/*
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*
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* get the current image size. Get image size in this order
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*
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* 1. from <img> tag
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* 2. from data set from initial calculation
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* 3. after loading the image and checking it's actual size
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*
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*/
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var w = (typeof $img.data("width") != 'undefined') ? $img.data("width") : $img.width(),
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h = (typeof $img.data("height") != 'undefined') ? $img.data("height") : $img.height();
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/*
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*
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* Get any current additional properties that may affect the width or height
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* like css borders for example
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*
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*/
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var imgParams = getImgProperty($img);
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/*
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*
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* store the original size for resize events
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*
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*/
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$img.data("width", w);
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$img.data("height", h);
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/*
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*
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* calculate the w/h based on target height
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* this is our ideal size, but later we'll resize to make it fit
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*
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*/
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var nw = Math.ceil(w/h*settings.targetHeight),
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nh = Math.ceil(settings.targetHeight);
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/*
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*
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* Keep track of which images are in our row so far
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*
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*/
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elements.push([this, nw, nh, imgParams['w'], imgParams['h']]);
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/*
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*
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* calculate the width of the element including extra properties
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* like css borders
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*
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*/
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row += nw + imgParams['w'] + settings.padding;
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/*
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*
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* if the current row width is wider than the parent container
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* it's time to make a row out of our images
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*
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*/
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if( row > settings.albumWidth && elements.length != 0 ){
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// call the method that calculates the final image sizes
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// remove one set of padding as it's not needed for the last image in the row
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resizeRow(elements, (row - settings.padding), settings, rownum);
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// reset our row
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delete row;
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delete elements;
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row = 0;
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elements = [];
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rownum += 1;
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}
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/*
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*
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* if the images left are not enough to make a row
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* then we'll force them to make one anyway
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*
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*/
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if ( settings.images.length-1 == index && elements.length != 0){
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resizeRow(elements, row, settings, rownum);
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// reset our row
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delete row;
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delete elements;
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row = 0;
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elements = [];
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rownum += 1;
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}
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}
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);
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});
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function resizeRow( obj, row, settings, rownum) {
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/*
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*
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* How much bigger is this row than the available space?
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* At this point we have adjusted the images height to fit our target height
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* so the image size will already be different from the original.
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* The resizing we're doing here is to adjust it to the album width.
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*
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* We also need to change the album width (basically available space) by
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* the amount of padding and css borders for the images otherwise
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* this will skew the result.
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*
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* This is because padding and borders remain at a fixed size and we only
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* need to scale the images.
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*
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*/
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var imageExtras = (settings.padding * (obj.length - 1)) + (obj.length * obj[0][3]),
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albumWidthAdjusted = settings.albumWidth - imageExtras,
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overPercent = albumWidthAdjusted / (row - imageExtras),
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// start tracking our width with know values that will make up the total width
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// like borders and padding
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trackWidth = imageExtras,
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// guess whether this is the last row in a set by checking if the width is less
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// than the parent width.
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lastRow = (row < settings.albumWidth ? true : false);
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/*
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* Resize the images by the above % so that they'll fit in the album space
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*/
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for (var i = 0; i < obj.length; i++) {
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var $obj = $(obj[i][0]),
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fw = Math.floor(obj[i][1] * overPercent),
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fh = Math.floor(obj[i][2] * overPercent),
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// if the element is the last in the row,
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// don't apply right hand padding (this is our flag for later)
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isNotLast = !!(( i < obj.length - 1 ));
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/*
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* Checking if the user wants to not stretch the images of the last row to fit the
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* parent element size
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*/
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if(settings.allowPartialLastRow === true && lastRow === true){
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fw = obj[i][1];
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fh = obj[i][2];
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}
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/*
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*
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* Because we use % to calculate the widths, it's possible that they are
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* a few pixels out in which case we need to track this and adjust the
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* last image accordingly
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*
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*/
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trackWidth += fw;
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/*
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*
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* here we check if the combined images are exactly the width
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* of the parent. If not then we add a few pixels on to make
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* up the difference.
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*
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* This will alter the aspect ratio of the image slightly, but
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* by a noticable amount.
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*
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* If the user doesn't want full width last row, we check for that here
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*
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*/
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if(!isNotLast && trackWidth < settings.albumWidth){
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if(settings.allowPartialLastRow === true && lastRow === true){
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fw = fw;
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}else{
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fw = fw + (settings.albumWidth - trackWidth);
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}
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}
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fw--;
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/*
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*
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* We'll be doing a few things to the image so here we cache the image selector
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*
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*
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*/
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var $img = ( $obj.is("img") ) ? $obj : $obj.find("img");
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/*
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*
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* Set the width of the image and parent element
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* if the resized element is not an image, we apply it to the child image also
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*
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* We need to check if it's an image as the css borders are only measured on
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* images. If the parent is a div, we need make the contained image smaller
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* to accommodate the css image borders.
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*
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*/
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$img.width(fw);
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if( !$obj.is("img") ){
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$obj.width(fw + obj[i][3]);
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}
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/*
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*
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* Set the height of the image
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* if the resized element is not an image, we apply it to the child image also
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*
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*/
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$img.height(fh);
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if( !$obj.is("img") ){
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$obj.height(fh + obj[i][4]);
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}
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/*
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*
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* Apply the css extras like padding
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*
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*/
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applyModifications($obj, isNotLast, settings);
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/*
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*
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* Assign the effect to show the image
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* Default effect is using jquery and not CSS3 to support more browsers
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* Wait until the image is loaded to do this
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*
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*/
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$img
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.one('load', function (target) {
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return function(){
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if( settings.effect == 'default'){
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target.animate({opacity: '1'},{duration: settings.fadeSpeed});
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} else {
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if(settings.direction == 'vertical'){
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var sequence = (rownum <= 10 ? rownum : 10);
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} else {
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var sequence = (i <= 9 ? i+1 : 10);
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}
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/* Remove old classes with the "effect-" name */
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target.removeClass(function (index, css) {
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return (css.match(/\beffect-\S+/g) || []).join(' ');
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});
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target.addClass(settings.effect);
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target.addClass("effect-duration-" + sequence);
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}
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}
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}($obj))
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/*
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* fix for cached or loaded images
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* For example if images are loaded in a "window.load" call we need to trigger
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* the load call again
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*/
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.each(function() {
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if(this.complete) $(this).trigger('load');
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});
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}
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}
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/*
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*
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* This private function applies the required css to space the image gallery
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* It applies it to the parent element so if an image is wrapped in a <div> then
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* the css is applied to the <div>
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*
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*/
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function applyModifications($obj, isNotLast, settings) {
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var css = {
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// Applying padding to element for the grid gap effect
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'margin-bottom' : settings.padding + "px",
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'margin-right' : (isNotLast) ? settings.padding + "px" : "0px",
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// Set it to an inline-block by default so that it doesn't break the row
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'display' : settings.display,
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// Set vertical alignment otherwise you get 4px extra padding
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'vertical-align' : "bottom",
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// Hide the overflow to hide the caption
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'overflow' : "hidden"
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};
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return $obj.css(css);
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}
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/*
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*
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* This private function calculates any extras like padding, border associated
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* with the image that will impact on the width calculations
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*
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*/
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function getImgProperty( img )
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{
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$img = $(img);
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var params = new Array();
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params["w"] = (parseFloat($img.css("border-left-width")) + parseFloat($img.css("border-right-width")));
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params["h"] = (parseFloat($img.css("border-top-width")) + parseFloat($img.css("border-bottom-width")));
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return params;
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}
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};
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$.fn.collagePlus.defaults = {
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// the ideal height you want your images to be
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'targetHeight' : 400,
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// how quickly you want images to fade in once ready can be in ms, "slow" or "fast"
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'fadeSpeed' : "fast",
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// how the resized block should be displayed. inline-block by default so that it doesn't break the row
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'display' : "inline-block",
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// which effect you want to use for revealing the images (note CSS3 browsers only),
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'effect' : 'default',
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// effect delays can either be applied per row to give the impression of descending appearance
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// or horizontally, so more like a flock of birds changing direction
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'direction' : 'vertical',
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// Sometimes there is just one image on the last row and it gets blown up to a huge size to fit the
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// parent div width. To stop this behaviour, set this to true
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'allowPartialLastRow' : false
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};
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||
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|
||
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})( jQuery );
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||
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/**
|
||
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* zoom.js - It's the best way to zoom an image
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||
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* @version v0.0.2
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||
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* @link https://github.com/fat/zoom.js
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||
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* @license MIT
|
||
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*/
|
||
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|
||
|
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+function ($) { "use strict";
|
||
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|
||
|
|
/**
|
||
|
|
* The zoom service
|
||
|
|
*/
|
||
|
|
function ZoomService () {
|
||
|
|
this._activeZoom =
|
||
|
|
this._initialScrollPosition =
|
||
|
|
this._initialTouchPosition =
|
||
|
|
this._touchMoveListener = null
|
||
|
|
|
||
|
|
this._$document = $(document)
|
||
|
|
this._$window = $(window)
|
||
|
|
this._$body = $(document.body)
|
||
|
|
|
||
|
|
this._boundClick = $.proxy(this._clickHandler, this)
|
||
|
|
}
|
||
|
|
|
||
|
|
ZoomService.prototype.listen = function () {
|
||
|
|
this._$body.on('click', '[data-action="zoom"]', $.proxy(this._zoom, this))
|
||
|
|
}
|
||
|
|
|
||
|
|
ZoomService.prototype._zoom = function (e) {
|
||
|
|
var target = e.target
|
||
|
|
|
||
|
|
if (!target || target.tagName != 'IMG') return
|
||
|
|
|
||
|
|
if (this._$body.hasClass('zoom-overlay-open')) return
|
||
|
|
|
||
|
|
if (e.metaKey || e.ctrlKey) {
|
||
|
|
return window.open((e.target.getAttribute('data-original') || e.target.src), '_blank')
|
||
|
|
}
|
||
|
|
|
||
|
|
if (target.width >= ($(window).width() - Zoom.OFFSET)) return
|
||
|
|
|
||
|
|
this._activeZoomClose(true)
|
||
|
|
|
||
|
|
this._activeZoom = new Zoom(target)
|
||
|
|
this._activeZoom.zoomImage()
|
||
|
|
|
||
|
|
// todo(fat): probably worth throttling this
|
||
|
|
this._$window.on('scroll.zoom', $.proxy(this._scrollHandler, this))
|
||
|
|
|
||
|
|
this._$document.on('keyup.zoom', $.proxy(this._keyHandler, this))
|
||
|
|
this._$document.on('touchstart.zoom', $.proxy(this._touchStart, this))
|
||
|
|
|
||
|
|
// we use a capturing phase here to prevent unintended js events
|
||
|
|
// sadly no useCapture in jquery api (http://bugs.jquery.com/ticket/14953)
|
||
|
|
if (document.addEventListener) {
|
||
|
|
document.addEventListener('click', this._boundClick, true)
|
||
|
|
} else {
|
||
|
|
document.attachEvent('onclick', this._boundClick, true)
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('bubbles' in e) {
|
||
|
|
if (e.bubbles) e.stopPropagation()
|
||
|
|
} else {
|
||
|
|
// Internet Explorer before version 9
|
||
|
|
e.cancelBubble = true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ZoomService.prototype._activeZoomClose = function (forceDispose) {
|
||
|
|
if (!this._activeZoom) return
|
||
|
|
|
||
|
|
if (forceDispose) {
|
||
|
|
this._activeZoom.dispose()
|
||
|
|
} else {
|
||
|
|
this._activeZoom.close()
|
||
|
|
}
|
||
|
|
|
||
|
|
this._$window.off('.zoom')
|
||
|
|
this._$document.off('.zoom')
|
||
|
|
|
||
|
|
document.removeEventListener('click', this._boundClick, true)
|
||
|
|
|
||
|
|
this._activeZoom = null
|
||
|
|
}
|
||
|
|
|
||
|
|
ZoomService.prototype._scrollHandler = function (e) {
|
||
|
|
if (this._initialScrollPosition === null) this._initialScrollPosition = $(window).scrollTop()
|
||
|
|
var deltaY = this._initialScrollPosition - $(window).scrollTop()
|
||
|
|
if (Math.abs(deltaY) >= 40) this._activeZoomClose()
|
||
|
|
}
|
||
|
|
|
||
|
|
ZoomService.prototype._keyHandler = function (e) {
|
||
|
|
if (e.keyCode == 27) this._activeZoomClose()
|
||
|
|
}
|
||
|
|
|
||
|
|
ZoomService.prototype._clickHandler = function (e) {
|
||
|
|
if (e.preventDefault) e.preventDefault()
|
||
|
|
else event.returnValue = false
|
||
|
|
|
||
|
|
if ('bubbles' in e) {
|
||
|
|
if (e.bubbles) e.stopPropagation()
|
||
|
|
} else {
|
||
|
|
// Internet Explorer before version 9
|
||
|
|
e.cancelBubble = true
|
||
|
|
}
|
||
|
|
|
||
|
|
this._activeZoomClose()
|
||
|
|
}
|
||
|
|
|
||
|
|
ZoomService.prototype._touchStart = function (e) {
|
||
|
|
this._initialTouchPosition = e.touches[0].pageY
|
||
|
|
$(e.target).on('touchmove.zoom', $.proxy(this._touchMove, this))
|
||
|
|
}
|
||
|
|
|
||
|
|
ZoomService.prototype._touchMove = function (e) {
|
||
|
|
if (Math.abs(e.touches[0].pageY - this._initialTouchPosition) > 10) {
|
||
|
|
this._activeZoomClose()
|
||
|
|
$(e.target).off('touchmove.zoom')
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The zoom object
|
||
|
|
*/
|
||
|
|
function Zoom (img) {
|
||
|
|
this._fullHeight =
|
||
|
|
this._fullWidth =
|
||
|
|
this._overlay =
|
||
|
|
this._targetImageWrap = null
|
||
|
|
|
||
|
|
this._targetImage = img
|
||
|
|
|
||
|
|
this._$body = $(document.body)
|
||
|
|
}
|
||
|
|
|
||
|
|
Zoom.OFFSET = 80
|
||
|
|
Zoom._MAX_WIDTH = 2560
|
||
|
|
Zoom._MAX_HEIGHT = 4096
|
||
|
|
|
||
|
|
Zoom.prototype.zoomImage = function () {
|
||
|
|
var img = document.createElement('img')
|
||
|
|
img.onload = $.proxy(function () {
|
||
|
|
this._fullHeight = Number(img.height)
|
||
|
|
this._fullWidth = Number(img.width)
|
||
|
|
this._zoomOriginal()
|
||
|
|
}, this)
|
||
|
|
img.src = this._targetImage.src
|
||
|
|
}
|
||
|
|
|
||
|
|
Zoom.prototype._zoomOriginal = function () {
|
||
|
|
this._targetImageWrap = document.createElement('div')
|
||
|
|
this._targetImageWrap.className = 'zoom-img-wrap'
|
||
|
|
|
||
|
|
this._targetImage.parentNode.insertBefore(this._targetImageWrap, this._targetImage)
|
||
|
|
this._targetImageWrap.appendChild(this._targetImage)
|
||
|
|
|
||
|
|
$(this._targetImage)
|
||
|
|
.addClass('zoom-img')
|
||
|
|
.attr('data-action', 'zoom-out')
|
||
|
|
|
||
|
|
this._overlay = document.createElement('div')
|
||
|
|
this._overlay.className = 'zoom-overlay'
|
||
|
|
|
||
|
|
document.body.appendChild(this._overlay)
|
||
|
|
|
||
|
|
this._calculateZoom()
|
||
|
|
this._triggerAnimation()
|
||
|
|
}
|
||
|
|
|
||
|
|
Zoom.prototype._calculateZoom = function () {
|
||
|
|
this._targetImage.offsetWidth // repaint before animating
|
||
|
|
|
||
|
|
var originalFullImageWidth = this._fullWidth
|
||
|
|
var originalFullImageHeight = this._fullHeight
|
||
|
|
|
||
|
|
var scrollTop = $(window).scrollTop()
|
||
|
|
|
||
|
|
var maxScaleFactor = originalFullImageWidth / this._targetImage.width
|
||
|
|
|
||
|
|
var viewportHeight = ($(window).height() - Zoom.OFFSET)
|
||
|
|
var viewportWidth = ($(window).width() - Zoom.OFFSET)
|
||
|
|
|
||
|
|
var imageAspectRatio = originalFullImageWidth / originalFullImageHeight
|
||
|
|
var viewportAspectRatio = viewportWidth / viewportHeight
|
||
|
|
|
||
|
|
if (originalFullImageWidth < viewportWidth && originalFullImageHeight < viewportHeight) {
|
||
|
|
this._imgScaleFactor = maxScaleFactor
|
||
|
|
|
||
|
|
} else if (imageAspectRatio < viewportAspectRatio) {
|
||
|
|
this._imgScaleFactor = (viewportHeight / originalFullImageHeight) * maxScaleFactor
|
||
|
|
|
||
|
|
} else {
|
||
|
|
this._imgScaleFactor = (viewportWidth / originalFullImageWidth) * maxScaleFactor
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Zoom.prototype._triggerAnimation = function () {
|
||
|
|
this._targetImage.offsetWidth // repaint before animating
|
||
|
|
|
||
|
|
var imageOffset = $(this._targetImage).offset()
|
||
|
|
var scrollTop = $(window).scrollTop()
|
||
|
|
|
||
|
|
var viewportY = scrollTop + ($(window).height() / 2)
|
||
|
|
var viewportX = ($(window).width() / 2)
|
||
|
|
|
||
|
|
var imageCenterY = imageOffset.top + (this._targetImage.height / 2)
|
||
|
|
var imageCenterX = imageOffset.left + (this._targetImage.width / 2)
|
||
|
|
|
||
|
|
this._translateY = Math.round(viewportY - imageCenterY)
|
||
|
|
this._translateX = Math.round(viewportX - imageCenterX)
|
||
|
|
|
||
|
|
var targetTransform = 'scale(' + this._imgScaleFactor + ')'
|
||
|
|
var imageWrapTransform = 'translate(' + this._translateX + 'px, ' + this._translateY + 'px)'
|
||
|
|
|
||
|
|
if ($.support.transition) {
|
||
|
|
imageWrapTransform += ' translateZ(0)'
|
||
|
|
}
|
||
|
|
|
||
|
|
$(this._targetImage)
|
||
|
|
.css({
|
||
|
|
'-webkit-transform': targetTransform,
|
||
|
|
'-ms-transform': targetTransform,
|
||
|
|
'transform': targetTransform
|
||
|
|
})
|
||
|
|
|
||
|
|
$(this._targetImageWrap)
|
||
|
|
.css({
|
||
|
|
'-webkit-transform': imageWrapTransform,
|
||
|
|
'-ms-transform': imageWrapTransform,
|
||
|
|
'transform': imageWrapTransform
|
||
|
|
})
|
||
|
|
|
||
|
|
this._$body.addClass('zoom-overlay-open')
|
||
|
|
}
|
||
|
|
|
||
|
|
Zoom.prototype.close = function () {
|
||
|
|
this._$body
|
||
|
|
.removeClass('zoom-overlay-open')
|
||
|
|
.addClass('zoom-overlay-transitioning')
|
||
|
|
|
||
|
|
// we use setStyle here so that the correct vender prefix for transform is used
|
||
|
|
$(this._targetImage)
|
||
|
|
.css({
|
||
|
|
'-webkit-transform': '',
|
||
|
|
'-ms-transform': '',
|
||
|
|
'transform': ''
|
||
|
|
})
|
||
|
|
|
||
|
|
$(this._targetImageWrap)
|
||
|
|
.css({
|
||
|
|
'-webkit-transform': '',
|
||
|
|
'-ms-transform': '',
|
||
|
|
'transform': ''
|
||
|
|
})
|
||
|
|
|
||
|
|
if (!$.support.transition) {
|
||
|
|
return this.dispose()
|
||
|
|
}
|
||
|
|
|
||
|
|
$(this._targetImage)
|
||
|
|
.one($.support.transition.end, $.proxy(this.dispose, this))
|
||
|
|
.emulateTransitionEnd(300)
|
||
|
|
}
|
||
|
|
|
||
|
|
Zoom.prototype.dispose = function () {
|
||
|
|
if (this._targetImageWrap && this._targetImageWrap.parentNode) {
|
||
|
|
$(this._targetImage)
|
||
|
|
.removeClass('zoom-img')
|
||
|
|
.attr('data-action', 'zoom')
|
||
|
|
|
||
|
|
this._targetImageWrap.parentNode.replaceChild(this._targetImage, this._targetImageWrap)
|
||
|
|
this._overlay.parentNode.removeChild(this._overlay)
|
||
|
|
|
||
|
|
this._$body.removeClass('zoom-overlay-transitioning')
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// wait for dom ready (incase script included before body)
|
||
|
|
$(function () {
|
||
|
|
new ZoomService().listen()
|
||
|
|
})
|
||
|
|
|
||
|
|
}(jQuery)
|
||
|
|
$(function() {
|
||
|
|
|
||
|
|
// Automatically add Zoom interaction
|
||
|
|
$('article img').attr('data-action', 'zoom');
|
||
|
|
|
||
|
|
// Make captions from Alt tags
|
||
|
|
$('img.captioned').each(function() {
|
||
|
|
var caption = $(this).attr('alt') || false;
|
||
|
|
if (caption) {
|
||
|
|
$(this).after('<p class="caption">' + caption + '</p>');
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
// Auto focus on the giant search box
|
||
|
|
var search = $('input.giant.search');
|
||
|
|
search.focus().val(search.val());
|
||
|
|
|
||
|
|
// Fire up that gallery
|
||
|
|
$(window).load(function () {
|
||
|
|
collage();
|
||
|
|
});
|
||
|
|
|
||
|
|
// Anima
|
||
|
|
|
||
|
|
$('#nav-main .search').focus(function() {
|
||
|
|
$(this).addClass('grow');
|
||
|
|
}).blur(function() {
|
||
|
|
$(this).removeClass('grow');
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
function collage() {
|
||
|
|
$('.gallery-images').collagePlus({
|
||
|
|
'fadeSpeed' : 300
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Reinitialize the gallery on browser resize.
|
||
|
|
var resizeTimer = null;
|
||
|
|
$(window).bind('resize', function() {
|
||
|
|
$('.gallery-images img').css("opacity", 0);
|
||
|
|
|
||
|
|
if (resizeTimer) clearTimeout(resizeTimer);
|
||
|
|
|
||
|
|
resizeTimer = setTimeout(collage, 200);
|
||
|
|
});
|
||
|
|
//# sourceMappingURL=redwood.js.map
|