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File: assets/gallerytypes/lclightboxlite/js/lc_lightbox.lite.js

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File: assets/gallerytypes/lclightboxlite/js/lc_lightbox.lite.js
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Description: Auxiliary data
Class: wgGallery
Image gallery module for XOOPS CMS
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Date: 3 years ago
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/** * LC Lightbox - LITE * yet.. another jQuery lightbox.. or not? * * @version : 1.2.3 * @copyright : Luca Montanari aka LCweb * @website : https://lcweb.it * @requires : jQuery v1.7 or later * Released under the MIT license */ (function ($) { lcl_objs = []; // array containing all initialized objects - useful for deeplinks lcl_shown = false; // know whether lightbox is shown lcl_is_active = false; // true when lightbox systems are acting (disable triggers) lcl_slideshow = undefined; // lightbox slideshow - setInterval object lcl_on_mobile = /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(navigator.userAgent) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(navigator.userAgent); // static vars avoiding useless parameters usage - related to currently opened lightbox - otherwise they are empty lcl_curr_obj = false; // store currently active object lcl_curr_opts = false; // currently active instance settings lcl_curr_vars = false; // currently active instance settings lcl_deeplink_tracked= false; // flag to track url changes and initial reading once lcl_hashless_url = false; // page URL without eventual hashes lcl_url_hash = ''; // URL hashtag // lightbox structure var lb_code = '<div id="lcl_wrap" class="lcl_pre_show lcl_pre_first_el lcl_first_sizing lcl_is_resizing">'+ '<div id="lcl_window">'+ '<div id="lcl_corner_close" title="close"></div>'+ '<div id="lcl_loader" class="lcl_loader_pre_first_el"><span id="lcll_1"></span><span id="lcll_2"></span></div>'+ '<div id="lcl_nav_cmd">'+ '<div id="lcl_prev" class="lcl_icon lcl_prev" title="previous"></div>'+ '<div id="lcl_play" class="lcl_icon lcl_play"></div>'+ '<div id="lcl_next" class="lcl_icon lcl_next" title="next"></div>'+ '<div id="lcl_counter" class="lcl_icon lcl_counter"></div>'+ '<div id="lcl_close" class="lcl_icon lcl_right_icon lcl_close" title="close"></div>'+ '<div id="lcl_fullscreen" class="lcl_icon lcl_right_icon lcl_fullscreen" title="toggle fullscreen"></div>'+ '<div id="lcl_txt_toggle" class="lcl_icon lcl_right_icon lcl_txt_toggle" title="toggle text"></div>'+ '<div id="lcl_download" class="lcl_icon lcl_right_icon lcl_download" title="download"></div>'+ '<div id="lcl_thumbs_toggle" class="lcl_icon lcl_right_icon lcl_thumbs_toggle" title="toggle thumbnails"></div>'+ '<div id="lcl_socials" class="lcl_icon lcl_right_icon lcl_socials" title="toggle socials"></div>'+ '</div>'+ '<div id="lbl_album"></div>'+ '<div id="lcl_contents_wrap">'+ '<div id="lcl_subj">'+ '<div id="lcl_elem_wrap"></div>'+ '</div>'+ '<div id="lcl_txt"></div>'+ '</div>'+ '</div>'+ '<div id="lcl_thumbs_nav"></div>'+ '<div id="lcl_overlay"></div>'+ '</div>'; //////////////////////////////////////////////////////////////////// // initialization // obj can be an array and overrides elements / [src: url/selector (only required data), title: (string), txt: (string), author: (string), ajax: bool, type: image/frame/text] lc_lightbox = function(obj, lcl_settings) { if(typeof(obj) != 'string' && (typeof(obj) != 'object' || !obj.length)) {return false;} // check among already initialized var already_init = false; $.each(lcl_objs, function(i, v) { if(JSON.stringify(v) == JSON.stringify(obj)) { already_init = v; return false; } }); if(already_init === false) { var instance = new lcl(obj, lcl_settings); lcl_objs.push(instance); return instance; } return already_init; }; // destruct method lcl_destroy = function(instance) { var index = $.inArray(instance, lcl_objs); if(index !== -1) { lcl_objs.splice(index, 1); } }; //////////////////////////////////////////////////////////////////// /* initialize */ var lcl = function(obj, settings) { var lcl_settings = $.extend({ gallery : true, // whether to display a single element or compose a gallery gallery_hook : 'rel', // attribute grouping elements - use false to create a gallery with all fetched elements live_elements : true, // if a selector is found, set true to handle automatically DOM changes preload_all : false, // whether to preload all images on document ready global_type : 'image', src_attr : 'href', // attribute containing element's source title_attr : 'title', // attribute containing the title - is possible to specify a selector with this syntax: "> .selector" or "> span" txt_attr : 'data-lcl-txt', // attribute containing the description - is possible to specify a selector with this syntax: "> .selector" or "> span" author_attr : 'data-lcl-author', // attribute containing the author - is possible to specify a selector with this syntax: "> .selector" or "> span" slideshow : true, // whether to enable slideshow open_close_time : 400, // animation duration for lightbox opening and closing / 1000 = 1sec ol_time_diff : 100, // overlay's animation advance (on opening) and delay (on close) to window / 1000 = sec fading_time : 80, // elements fading animation duration in millisecods / 1000 = 1sec animation_time : 250, // sizing animation duration in millisecods / 1000 = 1sec slideshow_time : 6000, // slideshow interval duration in milliseconds / 1000 = 1sec autoplay : false, // autoplay slideshow - bool counter : false, // whether to display elements counter progressbar : true, // whether to display a progressbar when slideshow runs carousel : true, // whether to create a non-stop pagination cycling elements max_width : '93%', // Lightbox maximum width. Use a responsive percent value or an integer for static pixel value max_height : '93%', // Lightbox maximum height. Use a responsive percent value or an integer for static pixel value wrap_padding : false, // set lightbox wrapping padding. Useful to maintain spaces using px max-sizes. Use a CSS value (string) ol_opacity : 0.7, // overlay opacity / value between 0 and 1 ol_color : '#111', // background color of the overlay ol_pattern : false, // overlay patterns - insert the pattern name or false border_w : 0, // width of the lightbox border in pixels border_col : '#ddd', // color of the lightbox border padding : 0, // width of the lightbox padding in pixels radius : 0, // lightbox border radius in pixels shadow : true, // whether to apply a shadow around lightbox window remove_scrollbar: true, // whether to hide page's vertical scroller wrap_class : '', // custom classes added to wrapper - for custom styling/tracking skin : 'light', // light / dark / custom data_position : 'over', // over / under / lside / rside cmd_position : 'inner', // inner / outer ins_close_pos : 'normal', // set closing button position for inner commands - normal/corner nav_btn_pos : 'normal', // set arrows and play/pause position - normal/middle txt_hidden : 500, // whether to hide texts on lightbox opening - bool or int (related to browser's smaller side) show_title : false, // bool / whether to display titles show_descr : false, // bool / whether to display descriptions show_author : false, // bool / whether to display authors thumbs_nav : true, // enables thumbnails navigation (requires elements poster or images) tn_icons : true, // print type icons on thumbs if types are mixed tn_hidden : 500, // whether to hide thumbs nav on lightbox opening - bool or int (related to browser's smaller side) thumbs_w : 110, // width of the thumbs for the standard lightbox thumbs_h : 110, // height of the thumbs for the standard lightbox thumb_attr : false, // attribute containing thumb URL to use or false to use thumbs maker thumbs_maker_url: false, // script baseurl to create thumbnails (use src=%URL% w=%W% h=%H%) fullscreen : false, // Allow the user to expand a resized image. true/false fs_img_behavior : 'fit', // resize mode of the fullscreen image - smart/fit/fill fs_only : 500, // when directly open in fullscreen mode - bool or int (related to browser's smaller side) browser_fs_mode : true, // whether to trigger or nor browser fullscreen mode socials : false, // bool fb_direct_share : false, // bool / whether to use direct FB contents share (requires APP ID to be specified) txt_toggle_cmd : true, // bool / allow text hiding download : false, // bool / whether to add download button touchswipe : true, // bool / Allow touch interactions for mobile (requires AlloyFinger) mousewheel : true, // bool / Allow elements navigation with mousewheel modal : false, // enable modal mode (no closing on overlay click) rclick_prevent : false, // whether to avoid right click on lightbox elems_parsed : function() {}, html_is_ready : function() {}, on_open : function() {}, on_elem_switch : function() {}, slideshow_start : function() {}, slideshow_end : function() {}, on_fs_enter : function() {}, on_fs_exit : function() {}, on_close : function() {}, }, settings); // Variables accessible globally var lcl_vars = { elems : [], // elements object / src: url/text (only required data), title: (string), descr: (string), author: (string), type: image/iframe/text is_arr_instance : (typeof(obj) != 'string' && typeof(obj[0].childNodes) == 'undefined') ? true : false, // true if lightbox is initialized usign direct array immission elems_count : (typeof(obj) != 'string' && typeof(obj[0].childNodes) == 'undefined') ? obj.length : $(obj).length, // elements count at the moment of lb initialization elems_selector : (typeof(obj) == 'string') ? obj : false, // elements selector - used for dynamic elements fetching elem_index : false, // current element index gallery_hook_val: false, // gallery hook value - to discard other ones preload_all_used: false, // flag to know when complete preload on document's ready has been triggered img_sizes_cache : [], // store image sizes after their preload - index is images index inner_cmd_w : false, // store inner commands width for inner->outer switch txt_exists : false, // any text exists in current element? txt_und_sizes : false, // custom lb sizes after text under calculation force_fullscreen: false, // flag to know whether to simulate "always fs" for small screens html_style : '', // html tag style (for scrollbar hiding) body_style : '', // body tag style (for scrollbar hiding) }; // textal element selector has been used? setup the real obj if(typeof(obj) == 'string') { obj = $(obj); } // .data() system to avoid issues on multi instances var lcl_ai_opts = $.data(obj, 'lcl_settings', lcl_settings); var lcl_ai_vars = $.data(obj, 'lcl_vars', lcl_vars); ///////////////////////////////////////////////////////////// /* given a string - returns an unique numerical hash */ var get_hash = function(str) { if(typeof(str) != 'string') { return str; } var hash = 0, i = 0, len = str.toString().length; while (i < len) { hash = ((hash << 5) - hash + str.charCodeAt(i++)) << 0; } return (hash < 0) ? hash * -1 : hash; }; /* element already elaborated? check through hash - returns false or elem object */ var obj_already_man = function(hash) { var found = false; $.each(lcl_ai_vars.elems, function(i, v) { if(v.hash == hash) { found = v; return false; } }); return found; }; /* revert HTML entitles that might have been used in attrs (and trim) */ var revert_html_entit = function(str) { if(!str) {return str;} str = str.replace(/&lt;/g, '<') .replace(/&gt;/g, '>') .replace(/&amp;/g, '&') .replace(/&quot;/g, '"') .replace(/&#039;/g, "'"); return $.trim(str); }; /* returns title/text/author detecting whether to get an attribute or selector */ var attr_or_selector_data = function($elem, subj_key) { var o = lcl_ai_opts; var subj = o[subj_key]; if(subj.indexOf('> ') !== -1) { return ($elem.find( subj.replace('> ', '') ).length) ? $.trim( $elem.find( subj.replace('> ', '') ).html()) : ''; } else { return (typeof($elem.attr( subj )) != 'undefined') ? revert_html_entit( $elem.attr( subj )) : ''; } }; /* elaborate binded elements */ var setup_elems_obj = function($subj) { var o = lcl_ai_opts; // [src: url/selector (only required data), title: (string), descr: (string), author: (string), ajax: bool, type: image/frame/text] var new_elems = []; $subj.each(function() { var $e = $(this); var src = $e.attr( o.src_attr ); var hash = get_hash(src); // check against gallery hook if(lcl_ai_vars.gallery_hook_val && $e.attr(o.gallery_hook) != lcl_ai_vars.gallery_hook_val) { return true; } var already_man = obj_already_man(hash); if(already_man) { var el = already_man; } else { var type = el_type_finder(src, $e.data('lcl-type')); // compose if(type != 'unknown') { var el = { src : src, type : type, hash : (o.deeplink) ? get_hash(src) : false, title : (o.show_title) ? attr_or_selector_data($e, 'title_attr') : '', txt : (o.show_descr) ? attr_or_selector_data($e, 'txt_attr') : '', author : (o.show_author) ? attr_or_selector_data($e, 'author_attr') : '', thumb : (o.thumb_attr && typeof(o.thumb_attr) != 'undefined') ? $e.attr(o.thumb_attr) : '', width : (type != 'image' && typeof($e.data('lcl-w')) != 'undefined') ? $e.data('lcl-w') : false, height : (type != 'image' && typeof($e.data('lcl-h')) != 'undefined') ? $e.data('lcl-h') : false, force_over_data : (typeof($e.data('lcl-force-over-data')) != 'undefined') ? parseInt($e.data('lcl-force-over-data'), 10) : '', force_outer_cmd : (typeof($e.data('lcl-outer-cmd')) != 'undefined') ? $e.data('lcl-outer-cmd') : '', }; // download attribute if(type == 'image') { el.download = (typeof($e.data('lcl-path')) != 'undefined') ? $e.data('lcl-path') : src; } else { el.download = false; } } else { var el = { src : src, type : type, hash : (o.deeplink) ? get_hash(src) : false }; } } new_elems.push(el); }); // if only one element - remove nav arrows and thumbs nav if(new_elems.length < 2) { $('.lcl_prev, .lcl_next, #lcl_thumb_nav').remove(); } if(!new_elems.length) { return false; } // setup lcl_ai_vars.elems = new_elems; return true; }; /* given element source - return its type | accepts type forcing */ var el_type_finder = function(src, forced_type) { if(typeof(forced_type) == 'undefined') { forced_type = lcl_ai_opts.global_type; return forced_type; } src = src.toLowerCase(); var img_regex = /^https?:\/\/(?:[a-z\-]+\.)+[a-z]{2,6}(?:\/[^\/#?]+)+\.(?:jpe?g|gif|png)$/; if(img_regex.test(src)) { // image matching return 'image'; } return 'unknown'; }; ///////////// /* smart images preload */ var close_img_preload = function() { if(lcl_ai_vars.elems.length < 2 || !lcl_ai_opts.gallery) {return false;} if(lcl_ai_vars.elem_index > 0) { // prev maybe_preload(false, (lcl_ai_vars.elem_index - 1)); } if(lcl_ai_vars.elem_index != (lcl_ai_vars.elems.length - 1)) { // next maybe_preload(false, (lcl_ai_vars.elem_index + 1)); } }; /* preload images and eventually trigger showing function - if index not specified, loads current index */ var maybe_preload = function(show_when_ready, el_index, cache_check) { var v = lcl_ai_vars; // if forced index is missing - use current one if(typeof(el_index) == 'undefined') { el_index = v.elem_index; } if(typeof(el_index) == 'undefined') { // if lightbox has alraedy been closed return false; } // is a preloadable element? if(v.elems[el_index].type == 'image') { var to_preload = (v.elems[el_index].type == 'image') ? v.elems[el_index].src : v.elems[el_index].poster; } else {var to_preload = '';} if(to_preload && typeof(v.img_sizes_cache[to_preload]) == 'undefined') { $('<img/>').bind("load", function(){ v.img_sizes_cache[to_preload] = { w : this.width, h : this.height }; // if sizes are zero, recalculate if(show_when_ready && el_index == v.elem_index) { show_element(); } }).attr('src', to_preload); } else { if(show_when_ready || typeof(cache_check) != 'undefined') { $('#lcl_loader').addClass('no_loader'); } if(show_when_ready) { show_element(); } } }; ///////////// /* elements parsing */ var elems_parsing = function(inst_obj, $clicked_obj) { var o = $.data(inst_obj, 'lcl_settings'); var vars = $.data(inst_obj, 'lcl_vars'); // direct array initialization - validate and setup hashes if(vars.is_arr_instance) { var elems = []; $.each(inst_obj, function(i,v) { var el = {}; var el_type = (typeof(v.type) == 'undefined' && o.global_type) ? o.global_type : false; if(typeof(v.type) != 'undefined') {el_type = v.type;} if(el_type && $.inArray(el_type, ['image']) !== -1) { if(typeof(v.src) != 'undefined' && v.src) { el.src = v.src; el.type = el_type; el.hash = get_hash(v.src); el.title = (typeof(v.title) == 'undefined') ? '' : revert_html_entit(v.title); el.txt = (typeof(v.txt) == 'undefined') ? '' : revert_html_entit(v.txt); el.author = (typeof(v.author) == 'undefined') ? '' : revert_html_entit(v.author); el.width = (typeof(v.width) == 'undefined') ? false : v.width; el.height = (typeof(v.height) == 'undefined') ? false : v.height; el.force_over_data = (typeof(v.force_over_data) == 'undefined') ? false : parseInt(v.force_over_data, 10); el.force_outer_cmd = (typeof(v.force_outer_cmd) == 'undefined') ? false : v.force_outer_cmd; el.thumb = (typeof(v.thumb) == 'undefined') ? false : v.thumb; // download calculate type and parameter if(el_type == 'image') { el.download = (typeof(v.download) != 'undefined') ? v.download : v.src; } else { el.download = false; } elems.push(el); } } else { var el = { src : el.src, type : 'unknown', hash : (o.deeplink) ? get_hash(el.src) : false }; elems.push(el); } }); vars.elems = elems; } // if is from DOM object - prepare elements object else { var $subj = inst_obj; // can fetch elements in real-time? save selector if(o.live_elements && vars.elems_selector) { var consider_group = ($clicked_obj && o.gallery && o.gallery_hook && typeof($(obj[0]).attr(o.gallery_hook)) != 'undefined') ? true : false; var sel = (consider_group) ? vars.elems_selector +'['+ o.gallery_hook +'='+ $clicked_obj.attr( o.gallery_hook ) +']' : vars.elems_selector; $subj = $(sel); } if(!setup_elems_obj($subj)) { if(!o.live_elements || (o.live_elements && !vars.elems_selector)) { console.error('LC Lightbox - no valid elements found'); } return false; } } // if preload every image on document's ready if(o.preload_all && !vars.preload_all_used) { vars.preload_all_used = true; $(document).ready(function(e) { $.each(vars.elems, function(i, v) { maybe_preload(false, i); }); }); } ///// // elements parsed - throw callback if(typeof(o.elems_parsed) == 'function') { o.elems_parsed.call({opts : lcl_ai_opts, vars: lcl_ai_vars}); } // elements parsed | args: elements array if(!vars.is_arr_instance) { var $subj = (vars.elems_selector) ? $(vars.elems_selector) : inst_obj; $subj.first().trigger('lcl_elems_parsed', [vars.elems]); } return true; }; elems_parsing(obj); // parsing on lightbox INIT //////////////////////////////////////////////////////////// /* open lightbox */ var open_lb = function(inst_obj, $clicked_obj) { if(lcl_shown || lcl_is_active) {return false;} lcl_shown = true; lcl_is_active = true; // setup static globals lcl_curr_obj = inst_obj; lcl_ai_opts = $.data(inst_obj, 'lcl_settings'); lcl_ai_vars = $.data(inst_obj, 'lcl_vars'); lcl_curr_opts = lcl_ai_opts; lcl_curr_vars = lcl_ai_vars; var o = lcl_ai_opts; var v = lcl_ai_vars; var $co = (typeof($clicked_obj) != 'undefined') ? $clicked_obj : false; // check instance existence if(!lcl_ai_vars) { console.error('LC Lightbox - cannot open. Object not initialized'); return false; } // set gallery hook value v.gallery_hook_val = ($co && o.gallery && o.gallery_hook && typeof($co.attr(o.gallery_hook)) != 'undefined') ? $co.attr(o.gallery_hook) : false; // parse elements if(!elems_parsing(inst_obj, $clicked_obj)) { return false; } // if there is a clicked element - set selected index if($co) { $.each(v.elems, function(i, e) { if( e.src == $co.attr(o.src_attr) ) { v.elem_index = i; return false; } }); } // array or deeplink initialization - check index existence else { if(parseInt(v.elem_index, 10) >= v.elems_count) { console.error('LC Lightbox - selected index does not exist'); return false; } } // try recalling cached images to already shape lightbox maybe_preload(false); // setup lightbox code setup_code(); touch_events(); // directly fullscreen? if(v.force_fullscreen) { enter_fullscreen(true, true); } // prepare thumbs nav if($('#lcl_thumbs_nav').length) { setup_thumbs_nav(); } // prepare first element and show maybe_preload(true); close_img_preload(); }; /* remove lightbox pre-show classes */ var rm_pre_show_classes = function() { // show window and overlay $('#lcl_wrap').removeClass('lcl_pre_show').addClass('lcl_shown'); $('#lcl_loader').removeClass('lcl_loader_pre_first_el'); }; /* setup lightbox code */ var setup_code = function() { var o = lcl_ai_opts; var v = lcl_ai_vars; var wrap_classes = []; var css = ''; // add class if IE <= 11 and for commands positions if(typeof(document.documentMode) == 'number') { $('body').addClass('lcl_old_ie'); // actually disable middle nav if(o.cmd_position != 'outer') {o.nav_btn_pos = 'normal';} } if($('#lcl_wrap').length) {$('#lcl_wrap').remove();} $('body').append(lb_code); // lightbox max sizes $('#lcl_wrap').attr('data-lcl-max-w', o.max_width).attr('data-lcl-max-h', o.max_height); // command positions classes wrap_classes.push('lcl_'+o.ins_close_pos+'_close lcl_nav_btn_'+o.nav_btn_pos+' lcl_'+ o.ins_close_pos +'_close lcl_nav_btn_'+ o.nav_btn_pos); // hidden thumbs nav class if( o.tn_hidden === true || (typeof(o.tn_hidden) == 'number' && ($(window).width() < o.tn_hidden || $(window).height() < o.tn_hidden)) ) { wrap_classes.push('lcl_tn_hidden'); } // hide texts class if( o.txt_hidden === true || (typeof(o.txt_hidden) == 'number' && ($(window).width() < o.txt_hidden || $(window).height() < o.txt_hidden)) ) { wrap_classes.push('lcl_hidden_txt'); } // no carousel class if(!o.carousel) { wrap_classes.push('lcl_no_carousel'); } // mobile class if(lcl_on_mobile) {wrap_classes.push('lcl_on_mobile');} // custom classes if(o.wrap_class) {wrap_classes.push(o.wrap_class);} // manage elements wrap_classes.push('lcl_'+ o.cmd_position +'_cmd'); if(o.cmd_position != 'inner') { var nav = $('#lcl_nav_cmd').detach(); $('#lcl_wrap').prepend(nav); } if(!o.slideshow) {$('.lcl_play').remove();} if(!o.txt_toggle_cmd) {$('.lcl_txt_toggle').remove();} if(!o.socials) {$('.lcl_socials').remove();} if(!o.download) {$('.lcl_download').remove();} if(!o.counter || v.elems.length < 2 || !o.gallery) {$('.lcl_counter').remove();} // fullscreen v.force_fullscreen = false; if(!o.fullscreen) { $('.lcl_fullscreen').remove(); } else if(o.fs_only === true || (typeof(o.fs_only) == 'number' && ($(window).width() < o.fs_only || $(window).height() < o.fs_only))) { $('.lcl_fullscreen').remove(); lcl_ai_vars.force_fullscreen = true; } // prev/next buttons if(v.elems.length < 2 || !o.gallery) { $('.lcl_prev, .lcl_play, .lcl_next').remove(); } else { if(o.nav_btn_pos == 'middle') { css += '.lcl_prev, .lcl_next {margin: '+ o.padding +'px;}'; } } // thumbs nav if(!o.thumbs_nav || lcl_ai_vars.elems.length < 2 || !o.gallery) { $('#lcl_thumbs_nav, .lcl_thumbs_toggle').remove(); } else { $('#lcl_thumbs_nav').css('height', o.thumbs_h); // use JS to pick outerHeight after var th_margins = $('#lcl_thumbs_nav').outerHeight(true) - o.thumbs_h; css += '#lcl_window {margin-top: '+ ((o.thumbs_h - th_margins ) * -1) +'px;}'; // center lightbox if cmds are on top and thumbs are hidden css += '.lcl_tn_hidden.lcl_outer_cmd:not(.lcl_fullscreen_mode) #lcl_window {margin-bottom: '+ ($('.lcl_close').outerHeight(true) * -1) +'px;}'; } ////// // apply skin and layout wrap_classes.push('lcl_txt_'+ o.data_position +' lcl_'+ o.skin); css += '#lcl_overlay {background-color: '+ o.thumbs_h +'px; opacity: '+ o.ol_opacity +';}'; if(o.ol_pattern) {$('#lcl_overlay').addClass('lcl_pattern_'+ o.ol_pattern);} if(o.modal) {$('#lcl_overlay').addClass('lcl_modal');} if(o.wrap_padding) {css += '#lcl_wrap {padding: '+ o.wrap_padding +';}';} if(o.border_w) {css += '#lcl_window {border: '+ o.border_w +'px solid '+ o.border_col +';}';} if(o.padding) {css += '#lcl_subj, #lcl_txt, #lcl_nav_cmd {margin: '+ o.padding +'px;}';} if(o.radius) {css += '#lcl_window, #lcl_contents_wrap {border-radius: '+ o.radius +'px;}';} if(o.shadow) {css += '#lcl_window {box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);}';} if(o.cmd_position == 'inner' && o.ins_close_pos == 'corner') { css += '#lcl_corner_close {'+ 'top: '+ ((o.border_w + Math.ceil($('#lcl_corner_close').outerWidth() / 2)) * -1) +'px;'+ 'right: '+ ((o.border_w + Math.ceil($('#lcl_corner_close').outerHeight() / 2)) * -1) +';'+ '}'; // if no button is in inner cmd w/ corner close - hide bar (not on FS) if(!$('#lcl_nav_cmd > *:not(.lcl_close)').length) { css += '#lcl_wrap:not(.lcl_fullscreen_mode):not(.lcl_forced_outer_cmd) #lcl_nav_cmd {'+ 'display: none;'+ '}'; } } // custom CSS if($('#lcl_inline_style').length) {$('#lcl_inline_style').remove();} $('head').append( '<style type="text/css" id="lcl_inline_style">'+ css + '#lcl_overlay {'+ 'background-color: '+o.ol_color+';'+ 'opacity: '+o.ol_opacity+';'+ '}'+ '#lcl_window, #lcl_txt, #lcl_subj {'+ '-webkit-transition-duration: '+o.animation_time+'ms; transition-duration: '+o.animation_time+'ms;'+ '}'+ '#lcl_overlay {'+ '-webkit-transition-duration: '+o.open_close_time+'ms; transition-duration: '+o.open_close_time+'ms;'+ '}'+ '.lcl_first_sizing #lcl_window, .lcl_is_closing #lcl_window {'+ '-webkit-transition-duration: '+(o.open_close_time - o.ol_time_diff)+'ms; transition-duration: '+(o.open_close_time - o.ol_time_diff)+'ms;'+ '}'+ '.lcl_first_sizing #lcl_window {'+ '-webkit-transition-delay: '+o.ol_time_diff+'ms; transition-delay: '+o.ol_time_diff+'ms;'+ '}'+ '#lcl_loader, #lcl_contents_wrap, #lcl_corner_close {'+ '-webkit-transition-duration: '+o.fading_time+'ms; transition-duration: '+o.fading_time+'ms;'+ '}'+ '.lcl_toggling_txt #lcl_subj {'+ /* delay to allow sizing on text hiding */ '-webkit-transition-delay: '+(o.fading_time + 200)+'ms !important; transition-delay: '+(o.fading_time + 200)+'ms !important;'+ '}'+ '.lcl_fullscreen_mode.lcl_txt_over:not(.lcl_tn_hidden) #lcl_txt, .lcl_fullscreen_mode.lcl_force_txt_over:not(.lcl_tn_hidden) #lcl_txt {'+ /* fs txt margin when thumbs are shown */ 'max-height: calc(100% - 42px - '+ o.thumbs_h +'px);'+ '}'+ '.lcl_fullscreen_mode.lcl_playing_video.lcl_txt_over:not(.lcl_tn_hidden) #lcl_txt,'+ '.lcl_fullscreen_mode.lcl_playing_video.lcl_force_txt_over:not(.lcl_tn_hidden) #lcl_txt {'+ /* fullscreen txt over margin when thumbs are shown */ 'max-height: calc(100% - 42px - 45px - '+ o.thumbs_h +'px);'+ '}</style>'); ////// // backup html/body inline CSS if(o.remove_scrollbar) { lcl_ai_vars.html_style = (typeof(jQuery('html').attr('style')) != 'undefined') ? jQuery('html').attr('style') : ''; lcl_ai_vars.body_style = (typeof(jQuery('body').attr('style')) != 'undefined') ? jQuery('body').attr('style') : ''; // avoid page scrolling and maintain contents position var orig_page_w = $(window).width(); $('html').css('overflow', 'hidden'); $('html').css({ 'margin-right' : ($(window).width() - orig_page_w), 'touch-action' : 'none' }); $('body').css({ 'overflow' : 'visible', 'touch-action' : 'none' }); } // opening element could already be shaped? var el = lcl_ai_vars.elems[v.elem_index]; if(el.type != 'image' || (el.type == 'image' && typeof(v.img_sizes_cache[el.src]) != 'undefined')) { wrap_classes.push('lcl_show_already_shaped'); } else { rm_pre_show_classes(); } // apply wrap classes $('#lcl_wrap').addClass( wrap_classes.join(' ') ); ////// // html is appended and ready - callback if(typeof(o.html_is_ready) == 'function') { o.html_is_ready.call({opts : lcl_ai_opts, vars: lcl_ai_vars}); } // lightbox html has been appended and managed if(!lcl_ai_vars.is_arr_instance) { var $subj = (lcl_ai_vars.elems_selector) ? $(lcl_ai_vars.elems_selector) : lcl_curr_obj; $subj.first().trigger('lcl_html_is_ready', [lcl_ai_opts, lcl_ai_vars]); } }; // prevent page touch scroll while moving a specific element var no_body_touch_scroll = function(selector) { var _overlay = $(selector)[0]; var _clientY = null; // remember Y position on touch start _overlay.addEventListener('touchstart', function (event) { if (event.targetTouches.length === 1) { // detect single touch _clientY = event.targetTouches[0].clientY; } }, false); _overlay.addEventListener('touchmove', function (event) { if (event.targetTouches.length === 1) { // detect single touch disableRubberBand(event); } }, false); function disableRubberBand(event) { var clientY = event.targetTouches[0].clientY - _clientY; if (_overlay.scrollTop === 0 && clientY > 0) { // element is at the top of its scroll event.preventDefault(); } if (isOverlayTotallyScrolled() && clientY < 0) { //element is at the top of its scroll event.preventDefault(); } } function isOverlayTotallyScrolled() { // https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollHeight#Problems_and_solutions return _overlay.scrollHeight - _overlay.scrollTop <= _overlay.clientHeight; } }; /* show element in lightbox */ var show_element = function() { if(!lcl_shown) {return false;} var v = lcl_ai_vars; var el = v.elems[v.elem_index]; $('#lcl_wrap').attr('lc-lelem', v.elem_index); // if not carousel - set classes if(!lcl_ai_opts.carousel) { $('#lcl_wrap').removeClass('lcl_first_elem lcl_last_elem'); if(!v.elem_index) { $('#lcl_wrap').addClass('lcl_first_elem'); } else if(v.elem_index == (v.elems.length - 1)) { $('#lcl_wrap').addClass('lcl_last_elem'); } } // global trigger - before element population | args: element object, element index $(document).trigger('lcl_before_populate_global', [el, v.elem_index]); // populate populate_lb(el); ////// // trigger right before EVERY element showing | args: element index, element object if(!v.is_arr_instance) { var $subj = (v.elems_selector) ? $(v.elems_selector) : lcl_curr_obj; $subj.first().trigger('lcl_before_show', [el, v.elem_index]); } // global trigger - before EVERY element showing | args: element object, element index $(document).trigger('lcl_before_show_global', [el, v.elem_index]); ////// // actions on first opening if($('#lcl_wrap').hasClass('lcl_pre_first_el')) { // first element show - callback if(typeof(lcl_ai_opts.on_open) == 'function') { lcl_ai_opts.on_open.call({opts : lcl_ai_opts, vars: lcl_ai_vars}); } // first element show | args: element if(!v.is_arr_instance) { var $subj = (v.elems_selector) ? $(v.elems_selector) : lcl_curr_obj; $subj.first().trigger('lcl_on_open', [el, v.elem_index]); } } ////// // set sizes and display size_elem(el); ////// $('#lcl_subj').removeClass('lcl_switching_el'); }; /* element has text ? */ var elem_has_txt = function(el) { return (el.title || el.txt || el.author) ? true : false; }; /* populate lightbox */ var populate_lb = function(el){ var el_index = lcl_ai_vars.elem_index; // reset $('#lcl_elem_wrap').removeAttr('style').removeAttr('class').empty(); // set classes/atts $('#lcl_wrap').attr('lcl-type', el.type); $('#lcl_elem_wrap').addClass('lcl_'+ el.type +'_elem'); // setup subect switch(el.type) { case 'image' : $('#lcl_elem_wrap').css('background-image', 'url(\''+ el.src +'\')'); break; default : // error message size $('#lcl_elem_wrap').html('<div id="lcl_inline" class="lcl_elem"><br/>Error loading the resource .. </div>'); break; } if(lcl_curr_opts.download) { if(el.download) { $('.lcl_download').show(); var arr = el.download.split('/'); var filename = arr[ (arr.length -1) ]; $('.lcl_download').html('<a id="lcl_downloadlink" href="'+ el.download +'" target="_blank" download="'+ filename +'"></a>'); } else { $('.lcl_download').hide(); } } // counter $('.lcl_counter').html( (el_index+1) +' / '+ lcl_ai_vars.elems.length ); // texts if(elem_has_txt(el) && el.type != 'unknown') { $('#lcl_wrap').removeClass('lcl_no_txt'); $('.lcl_txt_toggle').show(); if(el.title) {$('#lcl_txt').append('<h3 id="lcl_title">'+ el.title +'</h3>');} if(el.author) {$('#lcl_txt').append('<h5 id="lcl_author">by '+ el.author +'</h5>');} if(el.txt) {$('#lcl_txt').append('<section id="lcl_descr">'+ el.txt +'</section>');} // set class for bottom border if(el.txt) { if(el.title && el.author) { $('#lcl_txt h5').addClass('lcl_txt_border'); } else { if($('#lcl_txt h3').length) { $('#lcl_txt h3').addClass('lcl_txt_border'); } else { $('#lcl_txt h5').addClass('lcl_txt_border'); } } } } else { $('.lcl_txt_toggle').hide(); $('#lcl_wrap').addClass('lcl_no_txt'); } // prevent body scroll moving text no_body_touch_scroll('#lcl_txt'); }; /* * given a CSS size (integer (px), %, vw or vh) returns the related pixel value * dimension = w or h */ var css_size_to_px = function(size, dimension, ignore_max) { var px = 0; var $wrap = $('#lcl_wrap'); var win_w = $(window).width() - parseInt($wrap.css('padding-left'), 10) - parseInt($wrap.css('padding-right'), 10); var win_h = $(window).height() - parseInt($wrap.css('padding-top'), 10) - parseInt($wrap.css('padding-bottom'), 10); if(!isNaN(parseFloat(size)) && isFinite(size)) { // integer value px = parseInt(size, 10); } else if (size.toString().indexOf('%') !== -1) { var val = (dimension == 'w') ? win_w : win_h; px = val * (parseInt(size, 10) / 100); } else if (size.toString().indexOf('vw') !== -1) { px = win_w * (parseInt(size, 10) / 100); } else if (size.toString().indexOf('vh') !== -1) { px = win_h * (parseInt(size, 10) / 100); } // avoid > 100% values if(typeof(ignore_max) == 'undefined') { if(dimension == 'w' && px > win_w) {px = win_w;} if(dimension == 'h' && px > win_h) {px = win_h;} } return px; }; /* set element sizes */ var size_elem = function(el, flags, txt_und_sizes) { // flags: no_txt_under, inner_cmd_checked var o = lcl_ai_opts; var v = lcl_ai_vars; var w, h; if(typeof(flags) == 'undefined') {flags = {};} var fs_mode = ($('.lcl_fullscreen_mode').length) ? true : false; // calculate padding and borders var add_space = (fs_mode) ? 0 : ((parseInt(o.border_w, 10) * 2) + (parseInt(o.padding, 10) * 2)); // is side-text layout? remove forced on hover if(typeof(flags.side_txt_checked) == 'undefined' && (typeof(flags.no_txt_under) == 'undefined' || !flags.no_txt_under)) { $('#lcl_wrap').removeClass('lcl_force_txt_over'); } var side_txt = (!$('.lcl_force_txt_over').length && !$('.lcl_hidden_txt').length && $.inArray(o.data_position, ['rside', 'lside']) !== -1 && elem_has_txt(el)) ? $('#lcl_txt').outerWidth() : 0; // has thumbs nav? var thumbs_nav = (!fs_mode && $('#lcl_thumbs_nav').length && !$('.lcl_tn_hidden').length) ? $('#lcl_thumbs_nav').outerHeight(true) - parseInt($('#lcl_wrap').css('padding-bottom'), 10) : 0; // outer commands? var cmd_h = (!fs_mode && $('.lcl_outer_cmd').length) ? $('.lcl_close').outerHeight(true) + parseInt($('#lcl_nav_cmd').css('padding-top'), 10) + parseInt($('#lcl_nav_cmd').css('padding-bottom'), 10) : 0; // wrap-up px to remove var horiz_add_space = add_space + side_txt; var vert_add_space = add_space + thumbs_nav + cmd_h; // calculate max sizes var max_w_attr = $('#lcl_wrap').attr('data-lcl-max-w'); var max_h_attr = $('#lcl_wrap').attr('data-lcl-max-h'); var max_w = (fs_mode) ? $(window).width() : Math.floor(css_size_to_px(max_w_attr, 'w')) - horiz_add_space; var max_h = (fs_mode) ? $(window).height() : Math.floor(css_size_to_px(max_h_attr, 'h')) - vert_add_space; ///////// // sizes already calculated by text under processor if(typeof(v.txt_und_sizes) == 'object') { w = v.txt_und_sizes.w; h = v.txt_und_sizes.h; if(el.type == 'image') { var img_sizes = v.img_sizes_cache[ el.src ]; } } // normal processing else { switch(el.type) { case 'image' : // discard forced sizes $('#lcl_elem_wrap').css('bottom', 0); if(typeof(v.img_sizes_cache[ el.src ]) == 'undefined') { return false; } var img_sizes = v.img_sizes_cache[ el.src ]; // get image sizes if(img_sizes.w <= max_w) { w = img_sizes.w; h = img_sizes.h; } else { w = max_w; h = Math.floor(w * (img_sizes.h / img_sizes.w)); } // height is bigger than max one? if(h > max_h) { h = max_h; w = Math.floor(h * (img_sizes.w / img_sizes.h)); } // calculate text under if(elem_has_txt(el) && !$('.lcl_hidden_txt').length && o.data_position == 'under' && typeof(flags.no_txt_under) == 'undefined') { txt_under_h(w, h, max_h); $(document).off('lcl_txt_und_calc').on('lcl_txt_und_calc', function() { if(v.txt_und_sizes) { if(v.txt_und_sizes == 'no_under') { flags.no_txt_under = true; } return size_elem( v.elems[ v.elem_index], flags); } }); return false; } else { $('#lcl_subj').css('maxHeight', 'none'); } break; default : // error message size w = 280; h = 125; break; } } // text on side - turn into text over if small screen or tiny lb if( (o.data_position == 'rside' || o.data_position == 'lside') && !$('.lcl_no_txt').length && typeof(flags.side_txt_checked) == 'undefined' ) { var sto_w = w + add_space; var sto_h = h + add_space; var img_sizes = (el.type == 'image') ? v.img_sizes_cache[ el.src ] : ''; // forced text over treshold var tot = el.force_over_data; if(!tot) {tot = 400;} if(el.type == 'image' && img_sizes.w > tot && img_sizes.h > tot) { if(!side_to_over_txt(el, tot, sto_w, sto_h, side_txt)) { flags.side_txt_checked = true; return size_elem(el, flags); } } } // reset text under var v.txt_und_sizes = false; // force outer commands? if( typeof(flags.inner_cmd_checked) == 'undefined' && (o.cmd_position == 'inner' || el.force_outer_cmd) && inner_to_outer_cmd(el, w) ) { flags.inner_cmd_checked = true; return size_elem(el, flags); } // set lb window sizes $('#lcl_wrap').removeClass('lcl_pre_first_el'); $('#lcl_window').css({ width : (fs_mode) ? '100%' : w + add_space + side_txt, height : (fs_mode) ? '100%' : h + add_space }); // if has to be shown already shaped if($('.lcl_show_already_shaped').length) { setTimeout(function() { // allow CSS propagation $('#lcl_wrap').removeClass('lcl_show_already_shaped'); rm_pre_show_classes(); }, 10); } // check thumbs nav arrows visibility thumbs_nav_arrows_vis(); if(typeof(lcl_size_n_show_timeout) != 'undefined') { clearTimeout(lcl_size_n_show_timeout); } var timing = ($('.lcl_first_sizing').length) ? o.open_close_time + 20 : o.animation_time; // +20 trick used to let CSS execute the opening timing if($('.lcl_browser_resize').length || $('.lcl_toggling_fs').length || fs_mode) { timing = 0; } lcl_size_n_show_timeout = setTimeout(function() { if(lcl_is_active) {lcl_is_active = false;} // autoplay if first opening if($('.lcl_first_sizing').length) { if( o.autoplay && v.elems.length > 1 && (o.carousel || v.elem_index < (v.elems.length - 1)) ) { lcl_start_slideshow(); } } // fullscreen - image rendering manag if(el.type == 'image') { if($('.lcl_fullscreen_mode').length) { fs_img_manag(img_sizes); } else { $('.lcl_image_elem').css('background-size', 'cover'); } } $('#lcl_wrap').removeClass('lcl_first_sizing lcl_switching_elem lcl_is_resizing lcl_browser_resize'); $('#lcl_loader').removeClass('no_loader'); $(document).trigger('lcl_resized_window'); }, timing); }; /* track window size changes */ $(window).resize(function() { if(!lcl_shown || obj != lcl_curr_obj || $('.lcl_toggling_fs').length) {return false;} $('#lcl_wrap').addClass('lcl_browser_resize'); if(typeof(lcl_rs_defer) != 'undefined') {clearTimeout(lcl_rs_defer);} lcl_rs_defer = setTimeout(function() { lcl_resize(); }, 50); }); /* calculate text under size - return new element's width and height in an object */ var txt_under_h = function(curr_w, curr_h, max_height, recursive_count) { var rc = (typeof(recursive_count) == 'undefined') ? 1 : recursive_count; var fs_mode = $('.lcl_fullscreen_mode').length; var old_txt_h = Math.ceil( $('#lcl_txt').outerHeight() ); var w_ratio = curr_w / curr_h; // fullscreen mode and thumbs - text always over if(fs_mode && $('#lcl_thumbs_nav').length) { $('#lcl_wrap').addClass('lcl_force_txt_over'); $('#lcl_subj').css('maxHeight', 'none'); $('#lcl_txt').css({ 'right' : 0, 'width' : 'auto' }); lcl_ai_vars.txt_und_sizes = 'no_under'; $(document).trigger('lcl_txt_und_calc'); return false; } // reset $('#lcl_wrap').removeClass('lcl_force_txt_over').addClass('lcl_txt_under_calc'); if(!fs_mode) { $('#lcl_txt').css({ 'right' : 'auto', 'width' : curr_w }); } else { $('#lcl_txt').css({ 'right' : 0, 'width' : 'auto' }); } // wait for CSS to be rendered if(typeof(lcl_txt_under_calc) != 'undefined') {clearInterval(lcl_txt_under_calc);} lcl_txt_under_calc = setTimeout(function() { var txt_h = Math.ceil( $('#lcl_txt').outerHeight() ); var overflow = (curr_h + txt_h) - max_height; // fullscreen mode (no thumbs) - just set max height if(fs_mode) { $('#lcl_wrap').removeClass('lcl_txt_under_calc'); $('#lcl_subj').css('maxHeight', 'calc(100% - '+ txt_h +'px)'); lcl_ai_vars.txt_und_sizes = {w: curr_w, h: curr_h}; $(document).trigger('lcl_txt_und_calc'); return false; } // there's overflow - recurse if(overflow > 0 && ( typeof(recursive_count) == 'undefined' || recursive_count < 10)) { var new_h = curr_h - overflow; var new_w = Math.floor(new_h * w_ratio); // text over treshold var tot = lcl_ai_vars.elems[lcl_ai_vars.elem_index].force_over_data; if(!tot) {tot = 400;} if(new_w < tot || new_h < tot) { $('#lcl_wrap').removeClass('lcl_txt_under_calc').addClass('lcl_force_txt_over'); // screen too small or image excessively tall - switch to text over $('#lcl_subj').css('maxHeight', 'none'); $('#lcl_txt').css({ 'right' : 0, 'width' : 'auto' }); lcl_ai_vars.txt_und_sizes = 'no_under'; $(document).trigger('lcl_txt_und_calc'); return true; } return txt_under_h(new_w, new_h, max_height, (rc + 1)); } // no overflow - ok else { $('#lcl_wrap').removeClass('lcl_txt_under_calc'); $('#lcl_subj').css('maxHeight', (curr_h + lcl_ai_opts.padding)); lcl_ai_vars.txt_und_sizes = { w: curr_w, h: (curr_h + txt_h) }; $(document).trigger('lcl_txt_und_calc'); return true; } }, 120); // min val to let CSS propagate }; /* is lightbox too small to show contents with side text? turn into over txt */ var side_to_over_txt = function(el, treshold, w, h, side_txt_w) { var already_forced = $('.lcl_force_txt_over').length; if(w < treshold || (el.type != 'html' && h < treshold)) { if(already_forced) {return true;} $('#lcl_wrap').addClass('lcl_force_txt_over'); } else { if(!already_forced) {return true;} $('#lcl_wrap').removeClass('lcl_force_txt_over'); } return false; }; /* are inner commands too wide for lb window? move to outer */ var inner_to_outer_cmd = function(el, window_width) { var o = lcl_ai_opts; var fs_mode = ($('.lcl_fullscreen_mode').length) ? true : false; // if already acted - reset if($('.lcl_forced_outer_cmd').length) { $('#lcl_wrap').removeClass('lcl_forced_outer_cmd'); $('#lcl_wrap').removeClass('lcl_outer_cmd').addClass('lcl_inner_cmd'); var nav = $('#lcl_nav_cmd').detach(); $('#lcl_window').prepend(nav); } // calculate if(!fs_mode && lcl_ai_vars.inner_cmd_w === false) { lcl_ai_vars.inner_cmd_w = 0; jQuery('#lcl_nav_cmd .lcl_icon').each(function() { if(($(this).hasClass('lcl_prev') || $(this).hasClass('lcl_next')) && o.nav_btn_pos == 'middle') { return true; } lcl_ai_vars.inner_cmd_w = lcl_ai_vars.inner_cmd_w + $(this).outerWidth(true); }); } // is wider? if(fs_mode || el.force_outer_cmd || window_width <= lcl_ai_vars.inner_cmd_w) { $('#lcl_wrap').addClass('lcl_forced_outer_cmd'); $('#lcl_wrap').removeClass('lcl_inner_cmd').addClass('lcl_outer_cmd'); var nav = $('#lcl_nav_cmd').detach(); $('#lcl_wrap').prepend(nav); return true; } else { return false; } }; ////////////////////////////////////////////////////////////// /* switch element - new_el could be "next", "prev" or element index */ var switch_elem = function(new_el, slideshow_switch) { var v = lcl_ai_vars; var carousel = lcl_ai_opts.carousel; if(lcl_is_active || v.elems.length < 2 || !lcl_ai_opts.gallery || $('.lcl_switching_elem').length) {return false;} // find and sanitize new index if(new_el == 'next'){ if(v.elem_index == (v.elems.length - 1)) { if(!carousel) {return false;} new_el = 0; } else { new_el = v.elem_index + 1; } } else if(new_el == 'prev') { if(!v.elem_index) { if(!carousel) {return false;} new_el = (v.elems.length - 1); } else { new_el = v.elem_index - 1; } } else { new_el = parseInt(new_el, 10); if(new_el < 0 || new_el >= v.elems.length || new_el == v.elem_index) { return false; } } // if slideshow is active if(typeof(lcl_slideshow) != 'undefined') { // if isn't a slideshow switch and it is active || if isn't carousel and index is latest one - stop ss if(typeof(slideshow_switch) == 'undefined' || (!carousel && new_el == (v.elems.length - 1))) { lcl_stop_slideshow(); } } // hide current element and set a new one lcl_is_active = true; thumbs_nav_scroll_to_item(new_el); // use maybe_preload to not display loader when next item is already cached maybe_preload(false, new_el, true); // switching wrapper class $('#lcl_wrap').addClass('lcl_switching_elem'); setTimeout(function() { $('#lcl_wrap').removeClass('lcl_playing_video'); // if switching from an html element - set static heights if(v.elems[v.elem_index].type == 'html') { $('#lcl_window').css('height', $('#lcl_contents_wrap').outerHeight()); $('#lcl_contents_wrap').css('maxHeight', 'none'); } // switching element - callback if(typeof(lcl_ai_opts.on_elem_switch) == 'function') { lcl_ai_opts.on_elem_switch.call({opts : lcl_ai_opts, vars: lcl_ai_vars, new_el : new_el}); } // switching | args: old_elem_id, new_elem_id if(!v.is_arr_instance && lcl_curr_obj) { var $subj = (v.elems_selector) ? $(v.elems_selector) : lcl_curr_obj; $subj.first().trigger('lcl_on_elem_switch', [v.elem_index, new_el]); } ////// $('#lcl_wrap').removeClass('lcl_no_txt lcl_loading_iframe'); $('#lcl_txt').empty(); v.elem_index = new_el; maybe_preload(true); close_img_preload(); }, lcl_ai_opts.fading_time); }; /* temporary stop slideshow (to wait a preloader for example) */ var temp_slideshow_stop = function() { if(typeof(lcl_slideshow) == 'undefined') {return false;} clearInterval(lcl_slideshow); }; /* progressbar animation management */ var progbar_animate = function(first_run) { var o = lcl_ai_opts; if(!o.progressbar) {return false;} var delay = (first_run) ? 0 : (o.animation_time + o.fading_time); var time = o.slideshow_time + o.animation_time - delay; if(!$('#lcl_progressbar').length) { $('#lcl_wrap').append('<div id="lcl_progressbar"></div>'); } if(typeof(lcl_pb_timeout) != 'undefined') {clearTimeout(lcl_pb_timeout);} lcl_pb_timeout = setTimeout(function() { $('#lcl_progressbar').stop(true).removeAttr('style').css('width', 0).animate({width: '100%'}, time, 'linear', function() { $('#lcl_progressbar').fadeTo(0, 0); // duration through CSS }); }, delay); }; /* close lightbox */ var close_lb = function() { if(!lcl_shown) {return false;} // lightbox is about to be closed - callback if(typeof(lcl_ai_opts.on_close) == 'function') { lcl_ai_opts.on_close.call({opts : lcl_ai_opts, vars: lcl_ai_vars}); } // event on lightbox closing if(!lcl_ai_vars.is_arr_instance) { var $subj = (lcl_ai_vars.elems_selector) ? $(lcl_ai_vars.elems_selector) : lcl_curr_obj; $subj.first().trigger('lcl_on_close'); } // global trigger - on lightbox closing $(document).trigger('lcl_on_close_global'); ////// $('#lcl_wrap').removeClass('lcl_shown').addClass('lcl_is_closing lcl_tn_hidden'); lcl_stop_slideshow(); // exit fullscreen if($('.lcl_fullscreen_mode').length) { exit_browser_fs(); } // remove lb - wait for animations setTimeout(function() { $('#lcl_wrap, #lcl_inline_style').remove(); // restore html/body inline CSS if(lcl_ai_opts.remove_scrollbar) { jQuery('html').attr('style', lcl_ai_vars.html_style); jQuery('body').attr('style', lcl_ai_vars.body_style); } // global trigger - lightybox has been closed and code removed $(document).trigger('lcl_closed_global'); lcl_curr_obj = false; lcl_curr_opts = false; lcl_curr_vars = false; lcl_shown = false; lcl_is_active = false; }, (lcl_ai_opts.open_close_time + 80)); if(typeof(lcl_size_check) != 'undefined') {clearTimeout(lcl_size_check);} }; ////////////////////////////////////////////////////////////// /* Setup fullscreen mode */ var enter_fullscreen = function(set_browser_status, on_opening) { if(typeof(on_opening) == 'undefined') {on_opening = false;} if(!lcl_shown || !lcl_ai_opts.fullscreen || (!on_opening && lcl_is_active)) {return false;} var o = lcl_ai_opts; var v = lcl_ai_vars; // hide window elements $('#lcl_wrap').addClass('lcl_toggling_fs'); // enbale browser's fs if(o.browser_fs_mode && typeof(set_browser_status) != 'undefined') { if (document.documentElement.requestFullscreen) { document.documentElement.requestFullscreen(); } else if (document.documentElement.msRequestFullscreen) { document.documentElement.msRequestFullscreen(); } else if (document.documentElement.mozRequestFullScreen) { document.documentElement.mozRequestFullScreen(); } else if (document.documentElement.webkitRequestFullscreen) { document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); } } // set wrap class - recalculate sizes - show var timing = (on_opening) ? o.open_close_time : o.fading_time; setTimeout(function() { $('#lcl_wrap').addClass('lcl_fullscreen_mode'); size_elem( v.elems[v.elem_index] ); // disable fs toogle class when has been sized $(document).on('lcl_resized_window', function() { $(document).off('lcl_resized_window'); // text under or on opening - recalculate if(on_opening || (lcl_curr_opts.data_position == 'under' && !$('.lcl_force_txt_over').length)) { size_elem( lcl_curr_vars.elems[lcl_curr_vars.elem_index] ); } setTimeout(function() { $('#lcl_wrap').removeClass('lcl_toggling_fs'); }, 150); // 50 (sizing) + 100 (smoothing) is forced sizing timing for fs switch }); }, timing); ////// // entering fullscreen - callback if(typeof(o.on_fs_enter) == 'function') { o.on_fs_enter.call({opts : o, vars: v}); } // entering fullscreen - action if(!lcl_ai_vars.is_arr_instance) { lcl_curr_obj.first().trigger('lcl_on_fs_enter'); } }; /* fullscreen image rendering manag - smart/fit/fill */ var fs_img_manag = function(img_sizes) { var behav = lcl_ai_opts.fs_img_behavior; // if image is smaller than screen - bg size = auto if($('.lcl_fullscreen_mode').length && img_sizes.w <= $('#lcl_subj').width() && img_sizes.h <= $('#lcl_subj').height()) { $('.lcl_image_elem').css('background-size', 'auto'); return false; } // fit into screen if(behav == 'fit') { $('.lcl_image_elem').css('background-size', 'contain'); } // fill screen else if(behav == 'fill') { $('.lcl_image_elem').css('background-size', 'cover'); } // smart - fill only if is bigger than screen or same aspect ratio else { if(typeof(img_sizes) == 'undefined') { $('.lcl_image_elem').css('background-size', 'cover'); return false; } var ratio_diff = ($(window).width() / $(window).height()) - (img_sizes.w / img_sizes.h); var w_diff = $(window).width() - img_sizes.w; var h_diff = $(window).height() - img_sizes.h; if( (ratio_diff <= 1.15 && ratio_diff >= -1.15) && (w_diff <= 350 && h_diff <= 350) ) { // fill $('.lcl_image_elem').css('background-size', 'cover'); } else { // fit $('.lcl_image_elem').css('background-size', 'contain'); } } }; /* exit fullscreen */ var exit_fullscreen = function(set_browser_status) { if(!lcl_shown || !lcl_ai_opts.fullscreen || lcl_is_active) {return false;} var o = lcl_ai_opts; // hide window elements $('#lcl_wrap').addClass('lcl_toggling_fs'); $('#lcl_window').fadeTo(70, 0); // set wrap class - recalculate sizes - show setTimeout(function() { // disable browser's fs if(o.browser_fs_mode && typeof(set_browser_status) != 'undefined') { exit_browser_fs(); var browser_fs_timing = 250; // time taken by browser to exit fullscreen mode } else { var browser_fs_timing = 0; } $('#lcl_wrap').removeClass('lcl_fullscreen_mode'); // resize after a little while setTimeout(function() { size_elem( lcl_ai_vars.elems[lcl_ai_vars.elem_index] ); // IE 11 requires a bit more var userAgent = userAgent || navigator.userAgent; var ie11_time = (userAgent.indexOf("MSIE ") > -1 || userAgent.indexOf("Trident/") > -1) ? 100 : 0; // disable fs toogle class setTimeout(function() { $('#lcl_window').fadeTo(30, 1); $('#lcl_wrap').removeClass('lcl_toggling_fs'); }, 300 + ie11_time); // 50 (sizing) + 100 (smoothing) is forced sizing timing for fs switch }, browser_fs_timing); }, 70); ////// // exiting fullscreen - callback if(typeof(o.on_fs_exit) == 'function') { o.on_fs_exit.call({opts : lcl_ai_opts, vars: lcl_ai_vars}); } // exiting fullscreen - action if(!lcl_ai_vars.is_arr_instance) { var $subj = (lcl_ai_vars.elems_selector) ? $(lcl_ai_vars.elems_selector) : lcl_curr_obj; $subj.first().trigger('lcl_on_fs_exit'); } }; /* trigger browser instruction to exit fullscreen mode */ var exit_browser_fs = function() { if (document.exitFullscreen) { document.exitFullscreen(); } else if (document.msExitFullscreen) { document.msExitFullscreen(); } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.webkitExitFullscreen) { document.webkitExitFullscreen(); } }; ////////////////////////////////////////////////////////////// /* setup thumbnails navigator */ var setup_thumbs_nav = function() { var mixed_types = false; var tracked_type = false; var uniq_id = Date.now(); $('#lcl_thumbs_nav').append('<span class="lcl_tn_prev"></span><ul class="lcl_tn_inner"></ul><span class="lcl_tn_next"></span>'); $('#lcl_thumbs_nav').attr('rel', uniq_id); $.each(lcl_ai_vars.elems, function(i, v) { if(v.type != 'unknown') { if(!mixed_types) { if(!tracked_type || tracked_type == v.type) { tracked_type = v.type; } else { mixed_types = true; } } var bg = '', bg_img = ''; tpc = ''; // thumbs preload class // has got a specific thumbnail? if(v.thumb) { bg_img = v.thumb; bg = 'style="background-image: url(\''+ v.thumb +'\');"'; } else { // find thumbnail for each source switch(v.type) { case 'image' : bg_img = v.src; break; case 'youtube' : bg_img = (v.poster) ? v.poster : 'https://img.youtube.com/vi/'+ v.video_id +'/maxresdefault.jpg'; break; case 'vimeo' : if(v.poster) { bg_img = v.poster; break; } else { if(typeof(lcl_ai_vars.vimeo_thumb_cache[ v.src ]) == 'undefined') { tpc = 'lcl_tn_preload'; $.getJSON('https://www.vimeo.com/api/v2/video/' + v.video_id + '.json?callback=?', {format: "json"}, function(data) { // need async thumbs_nav_img_preload(data[0].thumbnail_large, i, uniq_id); lcl_ai_vars.vimeo_thumb_cache[ v.src ] = data[0].thumbnail_large; // use ATTR to avoid issues with IE10 $('.lcl_tn_inner li[rel='+i+']').attr('style', $('.lcl_tn_inner li[rel='+i+']').attr('style') + ' background-image: url(\''+ data[0].thumbnail_large +'\');'); }); } else { bg_img = lcl_ai_vars.vimeo_thumb_cache[ v.src ]; } } break; case 'video' : case 'iframe' : case 'html' : if(v.poster) {bg_img = v.poster;} break; case 'dailymotion' : bg_img = (v.poster) ? v.poster : 'http://www.dailymotion.com/thumbnail/video/'+ v.video_id; break; } if(bg_img) { // has thumbs maker? if(lcl_ai_opts.thumbs_maker_url && (v.poster || $.inArray(v.type, ['youtube', 'vimeo', 'dailymotion']) === -1)) { var base = lcl_ai_opts.thumbs_maker_url; bg_img = base.replace('%URL%', encodeURIComponent(bg_img)).replace('%W%', lcl_ai_opts.thumbs_w).replace('%H%', lcl_ai_opts.thumbs_h); } bg = 'style="background-image: url(\''+ bg_img +'\');"'; // if is video - store as vid_poster if( $.inArray(v.type, ['youtube', 'vimeo', 'dailymotion']) !== -1 && !v.poster) { lcl_ai_vars.elems[i].vid_poster = bg_img; } } } // if iframe and html and no poster - skip if((v.type == 'html' || v.type == 'iframe') && !bg) {return true;} // video preview var vp = (v.type == 'video' && !bg) ? '<video src="'+ v.src +'"></video>' : ''; // thumbs preload class //if(!tpc && bg && typeof(lcl_ai_vars.img_sizes_cache[ bg_img ]) == 'undefined') {tpc = 'lcl_tn_preload';} tpc = 'lcl_tn_preload'; // append $('.lcl_tn_inner').append('<li class="lcl_tn_'+ v.type +' '+ tpc +'" title="'+ v.title +'" rel="'+i+'" '+ bg +'>'+ vp +'</li>'); // thumbs image preload if(tpc) { thumbs_nav_img_preload(bg_img, i, uniq_id); } } }); // be sure at least 2 elements are left if($('.lcl_tn_inner > li').length < 2) { $('#lcl_thumbs_nav').remove(); return false; } $('.lcl_tn_inner > li').css('width', lcl_ai_opts.thumbs_w); if(!lcl_on_mobile) { $('.lcl_tn_inner').lcl_smoothscroll(0.3, 400, false, true); } // mixed type class if(mixed_types && lcl_ai_opts.tn_icons) { $('.lcl_tn_inner').addClass('lcl_tn_mixed_types'); } // elem offset thumbs_nav_scroll_to_item(lcl_ai_vars.elem_index); }; /* thumbs image preload */ var thumbs_nav_img_preload = function(img_url, el_index, uniq_id) { $('<img/>').bind("load", function(){ if(!lcl_ai_vars) {return false;} lcl_ai_vars.img_sizes_cache[ img_url ] = { w : this.width, h : this.height }; $('#lcl_thumbs_nav[rel='+ uniq_id +'] li[rel='+ el_index +']').removeClass('lcl_tn_preload'); setTimeout(function() { thumbs_nav_arrows_vis(); thumbs_nav_arrows_opacity(); }, 500); }).attr('src', img_url); }; /* thumbs navigator - thumbs total width */ var thumbs_nav_elems_w = function() { var thumbs_w = 0; $('.lcl_tn_inner > li').each(function() {thumbs_w = thumbs_w + $(this).outerWidth(true);}); return thumbs_w; }; /* thumbs navigator - arrows visibility */ var thumbs_nav_arrows_vis = function() { if(!$('#lcl_thumbs_nav').length) {return false;} if(thumbs_nav_elems_w() > $('.lcl_tn_inner').width()) { $('#lcl_thumbs_nav').addClass('lcl_tn_has_arr'); } else { $('#lcl_thumbs_nav').removeClass('lcl_tn_has_arr'); } }; /* thumbs navigator - arrows opacity */ var thumbs_nav_arrows_opacity = function() { var sl = $('.lcl_tn_inner').scrollLeft(); if(!sl) { $('.lcl_tn_prev').addClass('lcl_tn_disabled_arr').stop(true).fadeTo(150, 0.5); } else { $('.lcl_tn_prev').removeClass('lcl_tn_disabled_arr').stop(true).fadeTo(150, 1); } if(sl >= (thumbs_nav_elems_w() - $('.lcl_tn_inner').width())) { $('.lcl_tn_next').addClass('lcl_tn_disabled_arr').stop(true).fadeTo(150, 0.5); } else { $('.lcl_tn_next').removeClass('lcl_tn_disabled_arr').stop(true).fadeTo(150, 1); } }; $(document).on('lcl_smoothscroll_end', '.lcl_tn_inner', function(e) { if(obj != lcl_curr_obj) {return true;} thumbs_nav_arrows_opacity(); }); /* thumbs navigator - scroll to shown element - centering it */ var thumbs_nav_scroll_to_item = function(elem_id) { var $subj = $('.lcl_tn_inner > li[rel='+ elem_id +']'); if(!$subj.length) {return false;} var id = 0; $('.lcl_tn_inner > li').each(function(i,v) { if($(this).attr('rel') == elem_id) { id = i; return false; } }); // center thumb with scroll var elem_w = $('.lcl_tn_inner > li').last().outerWidth(); var margin = parseInt($('.lcl_tn_inner > li').last().css('margin-left'), 10); var wrap_w = $('.lcl_tn_inner').width(); var to_center = Math.floor( ($('.lcl_tn_inner').width() - elem_w - margin) / 2 ); var new_offset = ((elem_w * id) + margin * (id - 1)) + Math.floor(margin / 2) - to_center; $('.lcl_tn_inner').stop(true).animate({"scrollLeft" : new_offset}, 500, function() { $('.lcl_tn_inner').trigger('lcl_smoothscroll_end'); }); // set selected nav thumb class $('.lcl_tn_inner > li').removeClass('lcl_sel_thumb'); $subj.addClass('lcl_sel_thumb'); }; /* lc smooth scroll system */ // suggested ratio = 0.3 // suggested duration = 400 $.fn.lcl_smoothscroll = function(ratio, duration, ignoreX, ignoreY) { if(lcl_on_mobile) {return false;} this.off("mousemove mousedown mouseup mouseenter mouseleave"); var $subj = this, trackX = (typeof(ignoreX) == 'undefined' || !ignoreX) ? true : false, trackY = (typeof(ignoreY) == 'undefined' || !ignoreY) ? true : false, mouseout_timeout = false, curDown = false, curYPos = 0, curXPos = 0, startScrollY = 0, startScrollX = 0, scrollDif = 0; $subj.mousemove(function(m){ if(curDown === true) { $subj.stop(true); if(trackX) { $subj.scrollLeft(startScrollX + (curXPos - m.pageX)); } if(trackY) { $subj.scrollTop(startScrollY + (curYPos - m.pageY)); } } }); $subj.mouseover(function() { if(mouseout_timeout) { clearTimeout(mouseout_timeout); } }); $subj.mouseout(function() { mouseout_timeout = setTimeout(function() { curDown = false; mouseout_timeout = false; }, 500); }); $subj.mousedown(function(m){ if(typeof(lc_sms_timeout) != 'undefined') {clearTimeout(lc_sms_timeout);} curDown = true; startScrollY = $subj.scrollTop(); startScrollX = $subj.scrollLeft(); curYPos = m.pageY; curXPos = m.pageX; }); $subj.mouseup(function(m){ curDown = false; // smooth scroll var currScrollY = $subj.scrollTop(); var scrollDiffY = (startScrollY - currScrollY) * -1; var newScrollY = currScrollY + ( scrollDiffY * ratio); var currScrollX = $subj.scrollLeft(); var scrollDiffX = (startScrollX - currScrollX) * -1; var newScrollX = currScrollX + ( scrollDiffX * ratio); // thumbs nav - if is tiny movement, simulate a true click on element if( (scrollDiffY < 3 && scrollDiffY > -3) && (scrollDiffX < 3 && scrollDiffX > -3) ) { $(m.target).trigger('lcl_tn_elem_click'); return false; } // animate (only if movement was wide enough) if(scrollDiffY > 20 || scrollDiffX > 20) { var anim_obj = {}; if(trackY) { anim_obj["scrollTop"] = newScrollY; } if(trackX) { anim_obj["scrollLeft"] = newScrollX; } $subj.stop(true).animate(anim_obj, duration, 'linear', function() { $subj.trigger('lcl_smoothscroll_end'); }); } }); }; ////////////////////////////////////////////////////////////// /* show lightbox - click handlers */ if(!lcl_vars.is_arr_instance) { if(lcl_settings.live_elements && lcl_vars.elems_selector) { // switch between static and dynamic elements retrieval $(document).off('click', lcl_vars.elems_selector) .on('click', lcl_vars.elems_selector, function(e) { e.preventDefault(); // update elements count - live var vars = $.data(obj, 'lcl_vars'); vars.elems_count = $(lcl_vars.elems_selector).length; // open lightbox open_lb(obj, $(this)); // binded element click - lb should open | args: clicked element obj.first().trigger('lcl_clicked_elem', [$(this)]); }); } else { obj.off('click'); obj.on('click', function(e) { e.preventDefault(); open_lb(obj, $(this)); // binded element click - lb should open obj.first().trigger('lcl_clicked_elem', [$(this)]); }); } } /* close clicking overlay or button */ $(document).on('click', '#lcl_overlay:not(.lcl_modal), .lcl_close, #lcl_corner_close', function(e) { if(obj != lcl_curr_obj) {return true;} close_lb(); }); /* navigation button - prev */ $(document).on('click', '.lcl_prev', function(e) { if(obj != lcl_curr_obj) {return true;} switch_elem('prev'); }); /* navigation button - next */ $(document).on('click', '.lcl_next', function(e) { if(obj != lcl_curr_obj) {return true;} switch_elem('next'); }); /* Keyboard events */ $(document).bind('keydown',function(e){ if(lcl_shown) { if(obj != lcl_curr_obj) {return true;} // next if (e.keyCode == 39) { e.preventDefault(); switch_elem('next'); } // prev else if (e.keyCode == 37) { e.preventDefault(); switch_elem('prev'); } // close else if (e.keyCode == 27) { e.preventDefault(); close_lb(); } // fullscreen else if(e.keyCode == 122 && lcl_ai_opts.fullscreen) { if(typeof(lcl_fs_key_timeout) != 'undefined') {clearTimeout(lcl_fs_key_timeout);} lcl_fs_key_timeout = setTimeout(function() { if($('.lcl_fullscreen_mode').length) { exit_fullscreen(); } else { enter_fullscreen(); } }, 50); } } }); /* elems navigation with mousewheel */ $(document).on('wheel', '#lcl_overlay, #lcl_window, #lcl_thumbs_nav:not(.lcl_tn_has_arr)', function(e) { if(obj != lcl_curr_obj || !lcl_curr_opts.mousewheel) {return true;} var $target = $(e.target); // if not in window, do it! if(!$target.is('#lcl_window') && !$target.parents('#lcl_window').length) { e.preventDefault(); var delta = e.originalEvent.deltaY; if(delta > 0) {switch_elem('next');} else {switch_elem('prev');} } else { // cycle to know if parents have scrollers var perform = true; for(a=0; a<20; a++) { if($target.is('#lcl_window')) {break;} if($target[0].scrollHeight > $target.outerHeight()) { perform = false; break; } else { $target = $target.parent(); } } if(perform) { e.preventDefault(); var delta = e.originalEvent.deltaY; if(delta > 0) {switch_elem('next');} else {switch_elem('prev');} } } }); /* next element clicking on image or zoom (where available with doubleclick) */ $(document).on('click', '.lcl_image_elem', function(e) { if(obj != lcl_curr_obj) {return true;} lcl_img_click_track = setTimeout(function() { if(!$('.lcl_zoom_wrap').length) { switch_elem('next'); } }, 250); }); /* track doubleclick to zoom image */ $(document).on('dblclick', '.lcl_image_elem', function(e) { if(obj != lcl_curr_obj) {return true;} if(!lcl_curr_opts.img_zoom) {return true;} if(!$('.lcl_zoom_icon').length) {return true;} // avoid single click trigger if(typeof(lcl_img_click_track) != 'undefined') { clearTimeout(lcl_img_click_track); zoom(true); } }); /* toggle text */ $(document).on('click', '.lcl_txt_toggle', function(e) { if(obj != lcl_curr_obj) {return true;} var o = lcl_ai_opts; // class lcl_toggling_txt enables window sizing animations if(!lcl_is_active && !$('.lcl_no_txt').length && !$('.lcl_toggling_txt').length) { if(o.data_position != 'over') { var txt_on_side = (o.data_position == 'rside' || o.data_position == 'lside') ? true : false; var forced_over = $('.lcl_force_txt_over').length; var timing = (o.animation_time < 150) ? o.animation_time : 150; var classes_delay = 0; // if text on side - hide subject if(txt_on_side && !forced_over) { $('#lcl_subj').fadeTo(timing, 0); } // text under - hide else { if(!forced_over) { $('#lcl_contents_wrap').fadeTo(timing, 0); classes_delay = timing; } } setTimeout(function() { $('#lcl_wrap').toggleClass('lcl_hidden_txt'); }, classes_delay); if(!forced_over) { lcl_is_active = true; $('#lcl_wrap').addClass('lcl_toggling_txt'); // wait until text is hidden setTimeout(function() { lcl_is_active = false; lcl_resize(); }, o.animation_time); // after sizing - disable animations again setTimeout(function() { $('#lcl_wrap').removeClass('lcl_toggling_txt'); if(txt_on_side && !forced_over) { $('#lcl_subj').fadeTo(timing, 1); } else { if(!forced_over) { $('#lcl_contents_wrap').fadeTo(timing, 1); } } }, (o.animation_time * 2) + 50); } } // text over - just hide else { $('#lcl_wrap').toggleClass('lcl_hidden_txt'); } } }); /* start/end slideshow */ $(document).on('click', '.lcl_play', function(e) { if(obj != lcl_curr_obj) {return true;} if($('.lcl_is_playing').length) { lcl_stop_slideshow(); } else { lcl_start_slideshow(); } }); /* track video start on click */ $(document).on('click', '.lcl_elem', function(e) { if(obj != lcl_curr_obj) {return true;} if(!$('.lcl_playing_video').length && $.inArray($('#lcl_wrap').attr('lcl-type'), ['video']) !== -1) { lcl_stop_slideshow(); $('#lcl_wrap').addClass('lcl_playing_video'); } }); /* trick to detect click on iframes */ var lcl_iframe_click = function() { if(typeof(lcl_iframe_click_intval) != 'undefined') {clearInterval(lcl_iframe_click_intval);} lcl_iframe_click_intval = setInterval(function() { var $ae = $(document.activeElement); if($ae.is('iframe') && $ae.hasClass('lcl_elem') && ($('.lcl_youtube_elem').length || $('.lcl_vimeo_elem').length || $('.lcl_dailymotion_elem').length)) { lcl_stop_slideshow(); $('#lcl_wrap').addClass('lcl_playing_video'); clearInterval(lcl_iframe_click_intval); } }, 300); }; /* toggle socials */ $(document).on('click', '.lcl_socials', function(e) { if(obj != lcl_curr_obj) {return true;} // show if(!$('.lcl_socials > div').length) { var el = lcl_curr_vars.elems[ lcl_curr_vars.elem_index ]; var page_url = encodeURIComponent(window.location.href); var title = encodeURIComponent(el.title).replace(/'/g, "\\'"); var descr = encodeURIComponent(el.txt).replace(/'/g, "\\'"); // find image's URL if(el.type == 'image') { var img = el.src; } else { var img = (el.poster) ? el.poster : false; if(!img && typeof(el.vid_poster) != 'undefined') {img = el.vid_poster;} } // prepare and append code var code = '<div class="lcl_socials_tt lcl_tooltip lcl_tt_bottom">'; if(lcl_curr_opts.fb_direct_share) { code += '<a class="lcl_icon lcl_fb" href="javascript: void(0)"></a>'; } else { code += '<a class="lcl_icon lcl_fb" onClick="window.open(\'https://www.facebook.com/sharer?u='+ page_url +'&display=popup\',\'sharer\',\'toolbar=0,status=0,width=590,height=325\');" href="javascript: void(0)"></a>'; } code += '<a class="lcl_icon lcl_twit" onClick="window.open(\'https://twitter.com/share?text=Check%20out%20%22'+ title +'%22%20@&url='+ page_url +'\',\'sharer\',\'toolbar=0,status=0,width=548,height=325\');" href="javascript: void(0)"></a>'; // on mobile - use Whatsapp if(lcl_on_mobile) { code += '<br/><a class="lcl_icon lcl_wa" href="whatsapp://send?text='+ page_url +'" data-action="share/whatsapp/share"></a>'; } // pinterest only if there's an image if(img) { code += '<a class="lcl_icon lcl_pint" onClick="window.open(\'http://pinterest.com/pin/create/button/?url='+ page_url +'&media='+ encodeURIComponent(img) +'&description='+ title +'\',\'sharer\',\'toolbar=0,status=0,width=575,height=330\');" href="javascript: void(0)"></a>'; } code += '</div>'; $('.lcl_socials').addClass('lcl_socials_shown').html(code); setTimeout(function() { // delay to let CSS execute animation $('.lcl_socials_tt').addClass('lcl_show_tt'); }, 20); // FB direct share if(lcl_curr_opts.fb_direct_share) { $(document).off('click', '.lcl_fb').on('click', '.lcl_fb', function(e) { FB.ui({ method: 'share_open_graph', action_type: 'og.shares', action_properties: JSON.stringify({ object: { 'og:url' : window.location.href, 'og:title' : el.title, 'og:description': el.txt, 'og:image' : img, } }) }, function (response) { window.close(); }); }); } } // hide else { $('.lcl_socials_tt').removeClass('lcl_show_tt'); setTimeout(function() { $('.lcl_socials').removeClass('lcl_socials_shown').empty(); }, 260); } }); /* toggle fullscreen via button */ $(document).on('click', '.lcl_fullscreen', function(e) { if(obj != lcl_curr_obj) {return true;} if($('.lcl_fullscreen_mode').length) { exit_fullscreen(true); } else { enter_fullscreen(true); } }); /* thumbs navigator - toggle */ $(document).on('click', '.lcl_thumbs_toggle', function(e) { if(obj != lcl_curr_obj) {return true;} var fs_mode = $('.lcl_fullscreen_mode').length; $('#lcl_wrap').addClass('lcl_toggling_tn').toggleClass('lcl_tn_hidden'); // if not fullscreen - hide contents if(!fs_mode) { setTimeout(function() { lcl_resize(); }, 160); } setTimeout(function() { $('#lcl_wrap').removeClass('lcl_toggling_tn'); }, lcl_curr_opts.animation_time + 50); }); /* thumbs navigator - switch element */ var tn_track_touch = (lcl_on_mobile) ? ' click' : ''; $(document).on('lcl_tn_elem_click'+tn_track_touch, '.lcl_tn_inner > li', function(e) { if(obj != lcl_curr_obj) {return true;} var elem_id = $(this).attr('rel'); switch_elem( elem_id ); }); /* thumbs navigator - navigate with arrows click */ $(document).on('click', '.lcl_tn_prev:not(.lcl_tn_disabled_arr)', function(e) { if(obj != lcl_curr_obj) {return true;} $('.lcl_tn_inner').stop(true).animate({"scrollLeft" : ($('.lcl_tn_inner').scrollLeft() - lcl_curr_opts.thumbs_w - 10)}, 300, 'linear', function() { $('.lcl_tn_inner').trigger('lcl_smoothscroll_end'); }); }); $(document).on('click', '.lcl_tn_next:not(.lcl_tn_disabled_arr)', function(e) { if(obj != lcl_curr_obj) {return true;} $('.lcl_tn_inner').stop(true).animate({"scrollLeft" : ($('.lcl_tn_inner').scrollLeft() + lcl_curr_opts.thumbs_w + 10)}, 300, 'linear', function() { $('.lcl_tn_inner').trigger('lcl_smoothscroll_end'); }); }); /* thumbs navigator - navigate with mousewheel */ $(document).on('wheel', '#lcl_thumbs_nav.lcl_tn_has_arr', function(e) { if(obj != lcl_curr_obj) {return true;} e.preventDefault(); var delta = e.originalEvent.deltaY; if(delta > 0) {$('.lcl_tn_prev:not(.lcl_tn_disabled_arr)').trigger('click');} else {$('.lcl_tn_next:not(.lcl_tn_disabled_arr)').trigger('click');} }); /* right click prevent */ $(document).on("contextmenu", "#lcl_wrap *", function() { if(obj != lcl_curr_obj) {return true;} if(lcl_ai_opts.rclick_prevent) { return false; } }); /* avoid page scrolling on touch devices */ $(window).on('touchmove', function(e) { var $t = $(e.target); if(!lcl_shown || !lcl_on_mobile) {return true;} if(obj != lcl_curr_obj) {return true;} if(!$(e.target).parents('#lcl_window').length && !$(e.target).parents('#lcl_thumbs_nav').length) { e.preventDefault(); } }); ///////////////////////////////////////////////////////////// // touchswipe & zoom on pinch - requires alloy_finger.min.js var touch_events = function() { if(typeof(AlloyFinger) != 'function') {return false;} lcl_is_pinching = false; var el = document.querySelector('#lcl_wrap'); var af = new AlloyFinger(el, { singleTap: function(e) { // close lb tapping on overlay if($(e.target).attr('id') == 'lcl_overlay' && !lcl_ai_opts.modal) { lcl_close(); } }, doubleTap: function (e) { e.preventDefault(); zoom(true); }, pinch: function(e) { e.preventDefault(); lcl_is_pinching = true; if(typeof(lcl_swipe_delay) != 'undefined') {clearTimeout(lcl_swipe_delay);} if(typeof(lcl_pinch_delay) != 'undefined') {clearTimeout(lcl_pinch_delay);} lcl_pinch_delay = setTimeout(function() { if(e.scale > 1.2) { zoom(true); } else if(e.scale < 0.8) { zoom(false); } // avoid swipe if zoom-out setTimeout(function() { lcl_is_pinching = false; }, 300); }, 20); }, touchStart: function(e) { lcl_touchstartX = e.changedTouches[0].clientX; }, touchEnd: function(e) { // simulate swipe with treshold var diff = lcl_touchstartX - e.changedTouches[0].clientX; if((diff < -50 || diff > 50) && !lcl_is_pinching) { // ignore if consulting thumbs nav if($(e.target).parents('#lcl_thumbs_nav').length) { return false; } // do not swipe on zoomed if($(e.target).parents('.lcl_zoom_wrap').length) { return false; } var delay = ($(e.target).parents('.lcl_zoomable').length) ? 250 : 0; if(typeof(lcl_swipe_delay) != 'undefined') {clearTimeout(lcl_swipe_delay);} lcl_swipe_delay = setTimeout(function() { if(diff < -50) { switch_elem('prev'); } else { switch_elem('next'); } }, delay); } } }); }; ///////////////////////////////////////////////////////////// //// PUBLIC METHODS // set current settings and vars - for actions with lightbox opened - return false if object not initialized var set_curr_vars = function() { if(!lcl_curr_obj) {return false;} lcl_ai_vars = $.data(lcl_curr_obj, 'lcl_vars'); lcl_ai_opts = $.data(lcl_curr_obj, 'lcl_settings'); if(!lcl_ai_vars) { console.error('LC Lightbox. Object not initialized'); return false; } return true; }; // open lightbox lcl_open = function(obj, index) { lcl_ai_vars = $.data(obj, 'lcl_vars'); var v = lcl_ai_vars; // check instance existence if(!v) { console.error('LC Lightbox - cannot open. Object not initialized'); return false; } else if(typeof(v.elems[index]) == 'undefined') { console.error('LC Lightbox - cannot open. Unexisting index'); return false; } else { v.elem_index = index; $clicked_obj = (v.is_arr_instance) ? false : $(obj[index]); return open_lb(obj, $clicked_obj); } }; // resize lightbox lcl_resize = function() { if(!lcl_shown || lcl_is_active || !set_curr_vars()) {return false;} var v = lcl_ai_vars; if(typeof(lcl_size_check) != 'undefined') {clearTimeout(lcl_size_check);} lcl_size_check = setTimeout(function() { $('#lcl_wrap').addClass('lcl_is_resizing'); thumbs_nav_arrows_opacity(); var el = v.elems[ v.elem_index ]; return size_elem(el); }, 20); }; // close lightbox and destroy vars lcl_close = function() { if(!lcl_shown || lcl_is_active || !set_curr_vars()) {return false;} return close_lb(); }; // pagination (next/prev/index) lcl_switch = function(new_el) { if(!lcl_shown || lcl_is_active || !set_curr_vars()) {return false;} return switch_elem(new_el); }; // start slideshow lcl_start_slideshow = function(restart) { if(!lcl_shown || (typeof(restart) == 'undefined' && typeof(lcl_slideshow) != 'undefined') || !set_curr_vars()) {return false;} var o = lcl_ai_opts; // if is latest element and isn't carousel - return false if(!o.carousel && lcl_ai_vars.elem_index == (lcl_ai_vars.elems.length - 1)) { return false; } if(typeof(lcl_slideshow) != 'undefined') {clearInterval(lcl_slideshow);} // if reset timing $('#lcl_wrap').addClass('lcl_is_playing'); var time = o.animation_time + o.slideshow_time; // use progressbar? progbar_animate(true); // start lcl_slideshow = setInterval(function() { progbar_animate(false); switch_elem('next', true); }, time); ////// if(typeof(restart) == 'undefined') { // slideshow start - callback if(typeof(o.slideshow_start) == 'function') { o.slideshow_start.call({opts : o, vars: lcl_ai_vars}); } // slideshow start - hook | args: interval time if(!lcl_ai_vars.is_arr_instance) { var $subj = (lcl_ai_vars.elems_selector) ? $(lcl_ai_vars.elems_selector) : lcl_curr_obj; $subj.first().trigger('lcl_slideshow_start', [time]); } } return true; }; // stop slideshow lcl_stop_slideshow = function() { if(!lcl_shown || typeof(lcl_slideshow) == 'undefined' || !set_curr_vars()) {return false;} var o = lcl_ai_opts; // check instance existence if(!o) { console.error('LC Lightbox. Object not initialized'); return false; } clearInterval(lcl_slideshow); lcl_slideshow = undefined; $('#lcl_wrap').removeClass('lcl_is_playing'); $('#lcl_progressbar').stop(true).animate({'marginTop' : ($('#lcl_progressbar').height() * -3)}, 300, function() { $(this).remove(); }); ////// // slideshow end - callback if(typeof(o.slideshow_end) == 'function') { o.slideshow_end.call({opts : lcl_ai_opts, vars: lcl_ai_vars}); } // slideshow end - hook if(!lcl_ai_vars.is_arr_instance) { var $subj = (lcl_ai_vars.elems_selector) ? $(lcl_ai_vars.elems_selector) : lcl_curr_obj; $subj.first().trigger('lcl_slideshow_end', []); } return true; }; return obj; }; })(jQuery);