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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /var/www/web432/html/wp-content/plugins/wp-jquery-lightbox/ |
| Current File : //var/www/web432/html/wp-content/plugins/wp-jquery-lightbox/jquery.lightbox.js |
/**
* WP jQuery Lightbox
* Version 1.4.6 - 2015-03-21
* @author Ulf Benjaminsson (http://www.ulfben.com)
*
* This is a modified version of Warren Krevenkis Lightbox-port (see notice below) for use in the WP jQuery Lightbox-
* plugin (http://wordpress.org/extend/plugins/wp-jquery-lightbox/)
* Modifications include:
* . added slideshow
* . added swipe-support
* . added "support" for WordPress admin bar.
* . improved the resizing code to respect aspect ratio
* . improved scaling routines to maximize images while taking captions into account
* . added support for browser resizing and orientation changes
* . grabs image caption from WordPress [gallery] or media library output
* . using WordPress API to localize script (with safe fallbacks)
* . grabs image title if the link lacks one
* . using rel attribute instead of class
* . auto-lightboxing all links after page load
* . replaced explicit IMG-urls with divs, styled through the CSS.
* . honors empty captions / titles
* . use only title if captions is identical
* . added support for disabling all animations
* . using no-conflict mode (for good measure)
**/
/**
* jQuery Lightbox
* Version 0.5 - 11/29/2007
* @author Warren Krewenki
*
* This package is distributed under the BSD license.
* For full license information, see LICENSE.TXT
*
* Based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
* Originally written to make use of the Prototype framework, and Script.acalo.us, now altered to use jQuery.
**/
(function($){
//http://stackoverflow.com/a/16187766/347764
function versionCompare(a, b){
var i, l, d;
a = a.split('.');
b = b.split('.');
l = Math.min(a.length, b.length);
for (i=0; i<l; i++) {
d = parseInt(a[i], 10) - parseInt(b[i], 10);
if (d !== 0) {
return d;
}
}
return a.length - b.length;
}
$.fn.lightbox = function(options) {
var opts = $.extend({}, $.fn.lightbox.defaults, options);
if($("#overlay").is(':visible')){//to resize the overlay whenever doLightbox is invoked
$(window).trigger('resize'); //we need this to deal with InfiniteScroll and similar.
}
function onClick() {
initialize();
start(this);
return false;
}
if(versionCompare($.fn.jquery, '1.7') > 0){
return $(this).on("click", onClick);
}else{
return $(this).live("click", onClick); //deprecated since 1.7
}
function initialize() {
$(window).bind('orientationchange', resizeListener);
$(window).bind('resize', resizeListener);
$('#overlay').remove();
$('#lightbox').remove();
opts.inprogress = false;
opts.auto = -1;
var txt = opts.strings;
var outerImage = '<div id="outerImageContainer"><div id="imageContainer"><iframe id="lightboxIframe" /><img id="lightboxImage"><div id="hoverNav"><a href="javascript://" title="' + txt.prevLinkTitle + '" id="prevLink"></a><a href="javascript://" id="nextLink" title="' + txt.nextLinkTitle + '"></a></div><div id="jqlb_loading"><a href="javascript://" id="loadingLink"><div id="jqlb_spinner"></div></a></div></div></div>';
var imageData = '<div id="imageDataContainer" class="clearfix"><div id="imageData"><div id="imageDetails"><span id="titleAndCaption"></span><div id="controls"><span id="numberDisplay"></span> <a id="playPause" href="#"></a> <span id="downloadLink"></span></div></div><div id="bottomNav">';
imageData += '<a href="javascript://" id="bottomNavClose" title="' + txt.closeTitle + '"><div id="jqlb_closelabel"></div></a></div></div></div>';
var string;
if (opts.navbarOnTop) {
string = '<div id="overlay"></div><div id="lightbox">' + imageData + outerImage + '</div>';
$("body").append(string);
$("#imageDataContainer").addClass('ontop');
} else {
string = '<div id="overlay"></div><div id="lightbox">' + outerImage + imageData + '</div>';
$("body").append(string);
}
$("#overlay").click(function () { end(); }).hide();
$("#lightbox").click(function () { end(); }).hide();
$("#loadingLink").click(function () { end(); return false; });
$("#bottomNavClose").click(function () { end(); return false; });
$('#outerImageContainer').width(opts.widthCurrent).height(opts.heightCurrent);
$('#imageDataContainer').width(opts.widthCurrent);
if (!opts.imageClickClose) {
$("#lightboxImage").click(function () { return false; });
$("#hoverNav").click(function () { return false; });
}
};
//allow image to reposition & scale if orientation change or resize occurs.
function resizeListener(e) {
if (opts.resizeTimeout) {
clearTimeout(opts.resizeTimeout);
opts.resizeTimeout = false;
}
opts.resizeTimeout = setTimeout(function () { doScale(); }, 50); //a delay to avoid duplicate event calls.
}
function getPageSize(){
return {
pageWidth:$(document).width(), //returns width of HTML document
pageHeight:$(document).height(),
viewportWidth:$(window).width(), //width of browser viewport, minus scrollbars
viewportHeight:$(window).height()-opts.adminBarHeight,
};
};
function getPageScroll() {
var yScroll = $(document).scrollTop();
if(opts.adminBarHeight && parseInt($('#wpadminbar').css('top'), 10) === 0){
yScroll += opts.adminBarHeight;
}
return {x:$(document).scrollLeft(), y:yScroll};
};
function start(imageLink) {
var pageSize = getPageSize();
var newTop = 0;
$("#overlay").hide().css({width: pageSize.pageWidth + 'px', height: pageSize.pageHeight + 'px', opacity: opts.overlayOpacity}).fadeIn(400);
var imageNum = 0;
var images = [];
opts.downloads = {}; //to keep track of any custom download links
$("a").each(function(){
if(!this.href || (this.rel != imageLink.rel)) {
return;
}
var jqThis = $(this);
var title = opts.showTitle ? getTitle(jqThis) : '';
var caption = opts.showCaption ? getCaption(jqThis) : {html:'',text:''};
if(opts.showTitle && title.toLowerCase() == caption.text.toLowerCase()) {
title = caption.html; //to keep linked captions
caption.html = ''; //but not duplicate the text
}
var s= (title != '') ? '<span id="titleText">' + title + '</span>' : '';
s += (title != '' && caption.html)? '<br />' : '';
s += (caption.html != '') ? '<span id="captionText">' + caption.html +'</span>' : '';
if(opts.showDownload || jqThis.attr("data-download")){
opts.downloads[images.length] = jqThis.attr("data-download"); //use length as an index. convenient since it will always be unique
}
images.push(new Array(this.href, s, images.length));
});
if (images.length > 1) {
for (i = 0; i < images.length; i++) {
for (j = images.length - 1; j > i; j--) {
if (images[i][0] == images[j][0]) {
images.splice(j, 1);
}
}
}
while (images[imageNum][0] != imageLink.href) { imageNum++; }
}
opts.imageArray = images;
var scroll = getPageScroll();
setLightBoxPos(scroll.y, scroll.x).show();// calculate top and left offset for the lightbox
changeImage(imageNum);
setNav();
};
function getTitle(jqLink){
var title = jqLink.attr("title") || '';
if(!title){
var jqImg = jqLink.children('img:first-child');
if (jqImg.attr('title')) {
title = jqImg.attr('title'); //grab the title from the image if the link lacks one
} else if(jqImg.attr('alt')){
title = jqImg.attr('alt'); //if neither link nor image have a title attribute
}
}
return $.trim(title);
}
function getCaption(jqLink){
var caption = {html:'',text:''};
if (jqLink.parent().next('.gallery-caption').html()) {
var jq = jqLink.parent().next('.gallery-caption');
caption.html = jq.html(); //holds html, links etc
caption.text = jq.text(); //plain-text
} else if (jqLink.next('.wp-caption-text').html()) {
caption.html = jqLink.next('.wp-caption-text').html();
caption.text = jqLink.next('.wp-caption-text').text();
}
caption.text = $.trim(caption.text).replace('’', ''').replace('’', '\'').replace('…', '...');//http://nickjohnson.com/b/wordpress-apostrophe-vs-right-single-quote
return caption;
}
function setLightBoxPos(newTop, newLeft) {
if (opts.resizeSpeed > 0) {
return $('#lightbox').animate({ top: newTop+ 'px', left: newLeft+ 'px' }, opts.resizeSpeed, 'linear');
}
return $('#lightbox').css({ top: newTop + 'px', left: newLeft + 'px' });
};
function changeImage(imageNum) {
if (opts.inprogress != false) {
return;
}
opts.inprogress = true;
opts.activeImage = imageNum;
// hide elements during transition
$('#jqlb_loading').show();
$('#lightboxImage').hide();
$('#hoverNav').hide();
$('#prevLink').hide();
$('#nextLink').hide();
doChangeImage();
};
function doChangeImage() {
opts.imgPreloader = new Image();
opts.imgPreloader.onload = function () {
$('#lightboxImage').attr('src', opts.imageArray[opts.activeImage][0]);
updateDetails();
doScale(); // once image is preloaded, resize image container
preloadNeighborImages();
};
opts.imgPreloader.src = opts.imageArray[opts.activeImage][0];
};
function doScale() {
if (!opts.imgPreloader) {
return;
}
var newWidth = opts.imgPreloader.width;
var newHeight = opts.imgPreloader.height;
var pageSize = getPageSize();
var noScrollWidth = (pageSize.viewportWidth < pageSize.pageWidth) ? pageSize.pageWidth : pageSize.viewportWidth; //if viewport is smaller than page, use page width.
$("#overlay").css({ width: noScrollWidth + 'px', height: pageSize.pageHeight + 'px' });
var maxHeight = (pageSize.viewportHeight) - ($("#imageDataContainer").outerHeight(true) + (2 * opts.borderSize));
var maxWidth = (pageSize.viewportWidth) - (2*opts.borderSize);
if(opts.fitToScreen){
var displayHeight = maxHeight-opts.marginSize;
var displayWidth = maxWidth-opts.marginSize;
var ratio = 1;
if (newHeight > displayHeight) {
ratio = displayHeight / newHeight; //ex. 600/1024 = 0.58
}
newWidth = newWidth * ratio;
newHeight = newHeight * ratio;
ratio = 1;
if (newWidth > displayWidth) {
ratio = displayWidth / newWidth; //ex. 800/1280 == 0.62
}
newWidth = Math.round(newWidth * ratio);
newHeight = Math.round(newHeight * ratio);
}
var scroll = getPageScroll();
var centerY = scroll.y + (maxHeight * 0.5);
var newTop = centerY - (newHeight * 0.5);
var newLeft = scroll.x;
$('#lightboxImage').width(newWidth).height(newHeight);
resizeImageContainer(newWidth, newHeight, newTop, newLeft);
}
function resizeImageContainer(imgWidth, imgHeight, lightboxTop, lightboxLeft) {
opts.widthCurrent = $("#outerImageContainer").outerWidth();
opts.heightCurrent = $("#outerImageContainer").outerHeight();
var widthNew = Math.max(300, imgWidth + (opts.borderSize * 2)); //300 = iphone. http://wordpress.org/support/topic/image-not-resized-correctly-with-wptouch?replies=6#post-4205735
var heightNew = (imgHeight + (opts.borderSize * 2));
setLightBoxPos(lightboxTop, lightboxLeft);
$('#imageDataContainer').animate({width:widthNew}, opts.resizeSpeed, 'linear');
$('#outerImageContainer').animate({width:widthNew,height:heightNew}, opts.resizeSpeed, 'linear', function () {
showImage();
});
if (opts.imageArray.length > 1) {
$('#hoverNav').show();
$('#prevLink').show();
$('#nextLink').show();
}
$('#prevLink,#nextLink').height(imgHeight);
};
function showImage(){
$('#jqlb_loading').hide();
showDetails();
if(opts.resizeSpeed > 0){
$('#lightboxImage').fadeIn("fast", function(){
onImageVisible();
});
}else{
$('#lightboxImage').show();
onImageVisible();
}
opts.inprogress = false;
};
function showDetails(){
$('#titleAndCaption').css("opacity", 1);
if(opts.showDownload){
$('#downloadLink').css('opacity', 1);
}
if(opts.showNumbers){
$('#numberDisplay').css('opacity', 1);
}
if(opts.slidehowSpeed){
$('#playPause').css('opacity', 1);
}
if(opts.resizeSpeed > 0){
$("#imageDetails").animate({opacity: 1}, 'fast');
}else{
$("#imageDetails").css('opacity', 1);
}
}
function onImageVisible(){
if(opts.auto != -1){
clearTimeout(opts.auto); //in case we came here after mouse/keyboard interaction
opts.auto = setTimeout(function(){changeImage((opts.activeImage == (opts.imageArray.length - 1)) ? 0 : opts.activeImage + 1);}, opts.slidehowSpeed);
}
enableKeyboardNav();
}
function preloadNeighborImages() {
if (opts.imageArray.length > 1) {
preloadNextImage = new Image();
preloadNextImage.src = opts.imageArray[(opts.activeImage == (opts.imageArray.length - 1)) ? 0 : opts.activeImage + 1][0]
preloadPrevImage = new Image();
preloadPrevImage.src = opts.imageArray[(opts.activeImage == 0) ? (opts.imageArray.length - 1) : opts.activeImage - 1][0]
} else {
if ((opts.imageArray.length - 1) > opts.activeImage) {
preloadNextImage = new Image();
preloadNextImage.src = opts.imageArray[opts.activeImage + 1][0];
}
if (opts.activeImage > 0) {
preloadPrevImage = new Image();
preloadPrevImage.src = opts.imageArray[opts.activeImage - 1][0];
}
}
};
function updateDetails(){ //update caption, title and control, and makes them invisible while we animate into position.
var images = opts.imageArray;
var txt = opts.strings;
var i = opts.activeImage;
var downloadIndex = images[i][2];
var pos = (opts.showNumbers && images.length > 1) ? txt.image + (i + 1) + txt.of + images.length : '';
$("#imageDetails").css("opacity", 0);
if(images[i][1] != ''){
$('#titleAndCaption').css('opacity', 0).html(images[i][1]);
}else{
$('#titleAndCaption').empty();
}
if(opts.showNumbers){
$('#numberDisplay').css('opacity', 0).html(pos);
}else{
$('#numberDisplay').empty();
}
if(opts.slidehowSpeed && images.length > 1){
var pp = (opts.auto === -1) ? txt.play : txt.pause;
$('#playPause').css('opacity', 0).attr('href', '#').text(pp);
}else{
$('#playPause').empty();
}
if(opts.showDownload || opts.downloads[downloadIndex]){
var url = opts.downloads[downloadIndex] ? opts.downloads[downloadIndex] : images[i][0];
$('#downloadLink').css('opacity', 0).html($('<a>').attr('href', url).attr('target', '_blank').attr('download', '').text(txt.download));
}else{
$('#downloadLink').empty();
}
var position = $('#downloadLink').position();
};
function setNav() {
if (opts.imageArray.length > 1) {
$('#prevLink').click(function () {
changeImage((opts.activeImage == 0) ? (opts.imageArray.length - 1) : opts.activeImage - 1); return false;
});
$('#nextLink').click(function () {
changeImage((opts.activeImage == (opts.imageArray.length - 1)) ? 0 : opts.activeImage + 1); return false;
});
if($.fn.touchwipe){
$('#imageContainer').touchwipe({
wipeLeft: function() { changeImage((opts.activeImage == (opts.imageArray.length - 1)) ? 0 : opts.activeImage + 1); },
wipeRight: function() { changeImage((opts.activeImage == 0) ? (opts.imageArray.length - 1) : opts.activeImage - 1); },
min_move_x: 20,
preventDefaultEvents: true
});
}
if(opts.slidehowSpeed){
$('#playPause').unbind('click').click(function() {
if(opts.auto != -1){
$(this).text(opts.strings.play);
clearTimeout(opts.auto);
opts.auto = -1;
}else{
$(this).text(opts.strings.pause);
opts.auto = setTimeout(function(){changeImage((opts.activeImage == (opts.imageArray.length - 1)) ? 0 : opts.activeImage + 1);}, opts.slidehowSpeed);
}
return false;
});
}
enableKeyboardNav();
}
};
function end() {
disableKeyboardNav();
clearTimeout(opts.auto);
opts.auto = -1;
$('#lightbox').hide();
$('#overlay').fadeOut();
};
function keyboardAction(e) {
var o = e.data.opts;
var keycode = e.keyCode;
var escapeKey = 27;
var key = String.fromCharCode(keycode).toLowerCase();
if ((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapeKey)) { // close lightbox
end();
} else if ((key == 'p') || (keycode == 37)) { // display previous image
disableKeyboardNav();
changeImage((o.activeImage == 0) ? (o.imageArray.length - 1) : o.activeImage - 1);
} else if ((key == 'n') || (keycode == 39)) { // display next image
disableKeyboardNav();
changeImage((o.activeImage == (o.imageArray.length - 1)) ? 0 : o.activeImage + 1);
}
return false;
};
function enableKeyboardNav() {
$(document).unbind('keydown').bind('keydown', {opts: opts}, keyboardAction);
};
function disableKeyboardNav() {
$(document).unbind('keydown');
};
};
$.fn.lightbox.defaults = {
showCaption:false,
showNumbers:true,
adminBarHeight:0, //28
overlayOpacity: 0.8,
borderSize: 10,
imageArray: new Array,
activeImage: null,
inprogress: false, //this is an internal state variable. don't touch.
widthCurrent: 300,
heightCurrent: 300,
showTitle: true,
imageClickClose: true
};
$(document).ready(doLightBox);
})(jQuery);
//you can call doLightBox() manually at any time to activate the lightboxing. Useful for AJAX-loaded content.
function doLightBox(){
var haveConf = (typeof JQLBSettings == 'object');
var ss, rs, ms = 0;
if(haveConf && JQLBSettings.slideshowSpeed) {
ss = parseInt(JQLBSettings.slideshowSpeed);
}
if(haveConf && JQLBSettings.resizeSpeed) {
rs = parseInt(JQLBSettings.resizeSpeed);
}
if(haveConf && JQLBSettings.marginSize){
ms = parseInt(JQLBSettings.marginSize);
}
var default_strings = {
prevLinkTitle: 'previous image',
nextLinkTitle: 'next image',
closeTitle: 'close image gallery',
image: 'Image ',
of: ' of ',
download: 'Download',
pause: '(pause slideshow)',
play: '(play slideshow)'
};
jQuery('a[rel^="lightbox"]').lightbox({
adminBarHeight: jQuery('#wpadminbar').height() || 0,
showNumbers: (haveConf && JQLBSettings.showNumbers == '0') ? false : true,
showCaption: (haveConf && JQLBSettings.showCaption == '0') ? false : true,
showTitle: (haveConf && JQLBSettings.showTitle == '0') ? false : true,
marginSize: (haveConf && ms) ? ms : 0,
fitToScreen: (haveConf && JQLBSettings.fitToScreen == '1') ? true : false,
resizeSpeed: (haveConf && rs >= 0) ? rs : 400,
slidehowSpeed: (haveConf && ss >= 0) ? ss : 4000,
showDownload: (haveConf && JQLBSettings.showDownload == '0') ? false : true,
navbarOnTop: (haveConf && JQLBSettings.navbarOnTop == '0') ? false : true,
strings: (haveConf && typeof JQLBSettings.prevLinkTitle == 'string') ? JQLBSettings : default_strings
});
}
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