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Khanh Ngo
225
app/static/global/plugins/zoom/jquery.zoom.js
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225
app/static/global/plugins/zoom/jquery.zoom.js
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/*!
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Zoom v1.7.11 - 2013-11-12
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Enlarge images on click or mouseover.
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(c) 2013 Jack Moore - http://www.jacklmoore.com/zoom
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license: http://www.opensource.org/licenses/mit-license.php
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*/
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(function ($) {
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var defaults = {
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url: false,
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callback: false,
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target: false,
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duration: 120,
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on: 'mouseover', // other options: grab, click, toggle
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touch: true, // enables a touch fallback
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onZoomIn: false,
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onZoomOut: false,
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magnify: 1
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};
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// Core Zoom Logic, independent of event listeners.
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$.zoom = function(target, source, img, magnify) {
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var targetHeight,
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targetWidth,
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sourceHeight,
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sourceWidth,
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xRatio,
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yRatio,
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offset,
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position = $(target).css('position');
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// The parent element needs positioning so that the zoomed element can be correctly positioned within.
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$(target).css({
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position: /(absolute|fixed)/.test(position) ? position : 'relative',
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overflow: 'hidden'
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});
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img.style.width = img.style.height = '';
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$(img)
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.addClass('zoomImg')
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.css({
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position: 'absolute',
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top: 0,
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left: 0,
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opacity: 0,
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width: img.width * magnify,
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height: img.height * magnify,
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border: 'none',
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maxWidth: 'none'
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})
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.appendTo(target);
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return {
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init: function() {
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targetWidth = $(target).outerWidth();
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targetHeight = $(target).outerHeight();
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if (source === target) {
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sourceWidth = targetWidth;
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sourceHeight = targetHeight;
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} else {
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sourceWidth = $(source).outerWidth();
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sourceHeight = $(source).outerHeight();
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}
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xRatio = (img.width - targetWidth) / sourceWidth;
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yRatio = (img.height - targetHeight) / sourceHeight;
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offset = $(source).offset();
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},
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move: function (e) {
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var left = (e.pageX - offset.left),
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top = (e.pageY - offset.top);
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top = Math.max(Math.min(top, sourceHeight), 0);
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left = Math.max(Math.min(left, sourceWidth), 0);
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img.style.left = (left * -xRatio) + 'px';
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img.style.top = (top * -yRatio) + 'px';
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}
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};
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};
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$.fn.zoom = function (options) {
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return this.each(function () {
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var
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settings = $.extend({}, defaults, options || {}),
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//target will display the zoomed image
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target = settings.target || this,
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//source will provide zoom location info (thumbnail)
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source = this,
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img = document.createElement('img'),
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$img = $(img),
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mousemove = 'mousemove.zoom',
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clicked = false,
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touched = false,
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$urlElement;
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// If a url wasn't specified, look for an image element.
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if (!settings.url) {
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$urlElement = $(source).find('img');
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if ($urlElement[0]) {
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settings.url = $urlElement.data('src') || $urlElement.attr('src');
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}
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if (!settings.url) {
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return;
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}
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}
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img.onload = function () {
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var zoom = $.zoom(target, source, img, settings.magnify);
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function start(e) {
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zoom.init();
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zoom.move(e);
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// Skip the fade-in for IE8 and lower since it chokes on fading-in
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// and changing position based on mousemovement at the same time.
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$img.stop()
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.fadeTo($.support.opacity ? settings.duration : 0, 1, $.isFunction(settings.onZoomIn) ? settings.onZoomIn.call(img) : false);
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}
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function stop() {
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$img.stop()
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.fadeTo(settings.duration, 0, $.isFunction(settings.onZoomOut) ? settings.onZoomOut.call(img) : false);
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}
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// Mouse events
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if (settings.on === 'grab') {
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$(source)
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.on('mousedown.zoom',
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function (e) {
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if (e.which === 1) {
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$(document).one('mouseup.zoom',
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function () {
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stop();
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$(document).off(mousemove, zoom.move);
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}
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);
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start(e);
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$(document).on(mousemove, zoom.move);
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e.preventDefault();
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}
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}
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);
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} else if (settings.on === 'click') {
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$(source).on('click.zoom',
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function (e) {
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if (clicked) {
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// bubble the event up to the document to trigger the unbind.
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return;
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} else {
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clicked = true;
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start(e);
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$(document).on(mousemove, zoom.move);
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$(document).one('click.zoom',
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function () {
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stop();
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clicked = false;
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$(document).off(mousemove, zoom.move);
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}
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);
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return false;
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}
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}
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);
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} else if (settings.on === 'toggle') {
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$(source).on('click.zoom',
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function (e) {
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if (clicked) {
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stop();
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} else {
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start(e);
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}
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clicked = !clicked;
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}
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);
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} else if (settings.on === 'mouseover') {
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zoom.init(); // Preemptively call init because IE7 will fire the mousemove handler before the hover handler.
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$(source)
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.on('mouseenter.zoom', start)
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.on('mouseleave.zoom', stop)
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.on(mousemove, zoom.move);
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}
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// Touch fallback
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if (settings.touch) {
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$(source)
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.on('touchstart.zoom', function (e) {
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e.preventDefault();
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if (touched) {
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touched = false;
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stop();
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} else {
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touched = true;
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start( e.originalEvent.touches[0] || e.originalEvent.changedTouches[0] );
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}
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})
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.on('touchmove.zoom', function (e) {
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e.preventDefault();
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zoom.move( e.originalEvent.touches[0] || e.originalEvent.changedTouches[0] );
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});
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}
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if ($.isFunction(settings.callback)) {
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settings.callback.call(img);
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}
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};
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img.src = settings.url;
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$(source).one('zoom.destroy', function(){
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$(source).off(".zoom");
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$img.remove();
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});
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});
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};
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$.fn.zoom.defaults = defaults;
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}(window.jQuery));
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7
app/static/global/plugins/zoom/jquery.zoom.min.js
vendored
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7
app/static/global/plugins/zoom/jquery.zoom.min.js
vendored
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@ -0,0 +1,7 @@
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/*!
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Zoom v1.7.11 - 2013-11-12
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Enlarge images on click or mouseover.
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(c) 2013 Jack Moore - http://www.jacklmoore.com/zoom
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license: http://www.opensource.org/licenses/mit-license.php
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*/
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(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,a,m,r,l,s,f=o(t).css("position");return o(t).css({position:/(absolute|fixed)/.test(f)?f:"relative",overflow:"hidden"}),e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none"}).appendTo(t),{init:function(){c=o(t).outerWidth(),u=o(t).outerHeight(),n===t?(m=c,a=u):(m=o(n).outerWidth(),a=o(n).outerHeight()),r=(e.width-c)/m,l=(e.height-u)/a,s=o(n).offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,a),0),t=Math.max(Math.min(t,m),0),e.style.left=t*-r+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e,i=o.extend({},t,n||{}),u=i.target||this,c=this,a=document.createElement("img"),m=o(a),r="mousemove.zoom",l=!1,s=!1;(i.url||(e=o(c).find("img"),e[0]&&(i.url=e.data("src")||e.attr("src")),i.url))&&(a.onload=function(){function t(t){e.init(),e.move(t),m.stop().fadeTo(o.support.opacity?i.duration:0,1,o.isFunction(i.onZoomIn)?i.onZoomIn.call(a):!1)}function n(){m.stop().fadeTo(i.duration,0,o.isFunction(i.onZoomOut)?i.onZoomOut.call(a):!1)}var e=o.zoom(u,c,a,i.magnify);"grab"===i.on?o(c).on("mousedown.zoom",function(i){1===i.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(r,e.move)}),t(i),o(document).on(r,e.move),i.preventDefault())}):"click"===i.on?o(c).on("click.zoom",function(i){return l?void 0:(l=!0,t(i),o(document).on(r,e.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(r,e.move)}),!1)}):"toggle"===i.on?o(c).on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===i.on&&(e.init(),o(c).on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(r,e.move)),i.touch&&o(c).on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),e.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}),o.isFunction(i.callback)&&i.callback.call(a)},a.src=i.url,o(c).one("zoom.destroy",function(){o(c).off(".zoom"),m.remove()}))})},o.fn.zoom.defaults=t})(window.jQuery);
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