968 lines
34 KiB
JavaScript
968 lines
34 KiB
JavaScript
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/*
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GalleryView - jQuery Content Gallery Plugin
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Author: Jack Anderson
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Version: 2.0 (May 5, 2009)
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Documentation: http://www.spaceforaname.com/galleryview/
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Please use this development script if you intend to make changes to the
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plugin code. For production sites, please use jquery.galleryview-2.0-pack.js.
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See CHANGELOG.txt for a review of changes and LICENSE.txt for the applicable
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licensing information.
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*/
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//Global variable to check if window is already loaded
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//Used for calling GalleryView after page has loaded
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var window_loaded = false;
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(function($){
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$.fn.galleryView = function(options) {
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var opts = $.extend($.fn.galleryView.defaults,options);
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var id;
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var iterator = 0;
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var item_count = 0;
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var slide_method;
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var theme_path;
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var paused = false;
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//Element dimensions
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var gallery_width;
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var gallery_height;
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var pointer_height;
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var pointer_width;
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var strip_width;
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var strip_height;
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var wrapper_width;
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var f_frame_width;
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var f_frame_height;
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var frame_caption_size = 20;
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var gallery_padding;
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var filmstrip_margin;
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var filmstrip_orientation;
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//Arrays used to scale frames and panels
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var frame_img_scale = new Object();
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var panel_img_scale = new Object();
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var img_h = new Object();
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var img_w = new Object();
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//Flag indicating whether to scale panel images
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var scale_panel_images = true;
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var panel_nav_displayed = false;
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//Define jQuery objects for reuse
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var j_gallery;
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var j_filmstrip;
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var j_frames;
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var j_frame_img_wrappers;
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var j_panels;
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var j_pointer;
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/************************************************/
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/* Plugin Methods */
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/************************************************/
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//Transition from current item to item 'i'
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function showItem(i) {
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//Disable next/prev buttons until transition is complete
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$('.nav-next-overlay',j_gallery).unbind('click');
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$('.nav-prev-overlay',j_gallery).unbind('click');
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$('.nav-next',j_gallery).unbind('click');
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$('.nav-prev',j_gallery).unbind('click');
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j_frames.unbind('click');
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//Fade out all frames while fading in target frame
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if(opts.show_filmstrip) {
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j_frames.removeClass('current').find('img').stop().animate({
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'opacity':opts.frame_opacity
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},opts.transition_speed);
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j_frames.eq(i).addClass('current').find('img').stop().animate({
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'opacity':1.0
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},opts.transition_speed);
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}
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//If the gallery has panels and the panels should fade, fade out all panels while fading in target panel
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if(opts.show_panels && opts.fade_panels) {
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j_panels.fadeOut(opts.transition_speed).eq(i%item_count).fadeIn(opts.transition_speed,function(){
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if(!opts.show_filmstrip) {
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$('.nav-prev-overlay',j_gallery).click(showPrevItem);
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$('.nav-next-overlay',j_gallery).click(showNextItem);
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$('.nav-prev',j_gallery).click(showPrevItem);
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$('.nav-next',j_gallery).click(showNextItem);
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}
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});
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}
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//If gallery has a filmstrip, handle animation of frames
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if(opts.show_filmstrip) {
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//Slide either pointer or filmstrip, depending on transition method
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if(slide_method=='strip') {
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//Stop filmstrip if it's currently in motion
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j_filmstrip.stop();
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if(filmstrip_orientation=='horizontal') {
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//Determine distance between pointer (eventual destination) and target frame
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var distance = getPos(j_frames[i]).left - (getPos(j_pointer[0]).left+(pointer_width/2)-(f_frame_width/2));
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var diststr = (distance>=0?'-=':'+=')+Math.abs(distance)+'px';
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//Animate filmstrip and slide target frame under pointer
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j_filmstrip.animate({
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'left':diststr
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},opts.transition_speed,opts.easing,function(){
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//Always ensure that there are a sufficient number of hidden frames on either
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//side of the filmstrip to avoid empty frames
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var old_i = i;
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if(i>item_count) {
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i = i%item_count;
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iterator = i;
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j_filmstrip.css('left','-'+((f_frame_width+opts.frame_gap)*i)+'px');
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} else if (i<=(item_count-strip_size)) {
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i = (i%item_count)+item_count;
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iterator = i;
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j_filmstrip.css('left','-'+((f_frame_width+opts.frame_gap)*i)+'px');
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}
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//If the target frame has changed due to filmstrip shifting,
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//Make sure new target frame has 'current' class and correct size/opacity settings
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if(old_i != i) {
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j_frames.eq(old_i).removeClass('current').find('img').css({
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'opacity':opts.frame_opacity
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});
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j_frames.eq(i).addClass('current').find('img').css({
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'opacity':1.0
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});
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}
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if(!opts.fade_panels) {
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j_panels.hide().eq(i%item_count).show();
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}
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//Enable navigation now that animation is complete
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$('.nav-prev-overlay',j_gallery).click(showPrevItem);
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$('.nav-next-overlay',j_gallery).click(showNextItem);
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$('.nav-prev',j_gallery).click(showPrevItem);
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$('.nav-next',j_gallery).click(showNextItem);
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enableFrameClicking();
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});
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} else {
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//Determine distance between pointer (eventual destination) and target frame
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var distance = getPos(j_frames[i]).top - (getPos(j_pointer[0]).top+(pointer_height)-(f_frame_height/2));
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var diststr = (distance>=0?'-=':'+=')+Math.abs(distance)+'px';
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//Animate filmstrip and slide target frame under pointer
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j_filmstrip.animate({
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'top':diststr
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},opts.transition_speed,opts.easing,function(){
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//Always ensure that there are a sufficient number of hidden frames on either
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//side of the filmstrip to avoid empty frames
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var old_i = i;
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if(i>item_count) {
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i = i%item_count;
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iterator = i;
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j_filmstrip.css('top','-'+((f_frame_height+opts.frame_gap)*i)+'px');
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} else if (i<=(item_count-strip_size)) {
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i = (i%item_count)+item_count;
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iterator = i;
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j_filmstrip.css('top','-'+((f_frame_height+opts.frame_gap)*i)+'px');
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}
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//If the target frame has changed due to filmstrip shifting,
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//Make sure new target frame has 'current' class and correct size/opacity settings
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if(old_i != i) {
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j_frames.eq(old_i).removeClass('current').find('img').css({
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'opacity':opts.frame_opacity
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});
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j_frames.eq(i).addClass('current').find('img').css({
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'opacity':1.0
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});
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}
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if(!opts.fade_panels) {
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j_panels.hide().eq(i%item_count).show();
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}
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//Enable navigation now that animation is complete
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$('.nav-prev-overlay',j_gallery).click(showPrevItem);
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$('.nav-next-overlay',j_gallery).click(showNextItem);
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$('.nav-prev',j_gallery).click(showPrevItem);
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$('.nav-next',j_gallery).click(showNextItem);
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enableFrameClicking();
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});
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}
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} else if(slide_method=='pointer') {
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//Stop pointer if it's currently in motion
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j_pointer.stop();
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//Get position of target frame
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var pos = getPos(j_frames[i]);
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if(filmstrip_orientation=='horizontal') {
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//Slide the pointer over the target frame
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j_pointer.animate({
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'left':(pos.left+(f_frame_width/2)-(pointer_width/2)+'px')
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},opts.transition_speed,opts.easing,function(){
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if(!opts.fade_panels) {
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j_panels.hide().eq(i%item_count).show();
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}
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$('.nav-prev-overlay',j_gallery).click(showPrevItem);
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$('.nav-next-overlay',j_gallery).click(showNextItem);
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$('.nav-prev',j_gallery).click(showPrevItem);
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$('.nav-next',j_gallery).click(showNextItem);
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enableFrameClicking();
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});
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} else {//Slide the pointer over the target frame
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j_pointer.animate({
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'top':(pos.top+(f_frame_height/2)-(pointer_height)+'px')
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},opts.transition_speed,opts.easing,function(){
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if(!opts.fade_panels) {
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j_panels.hide().eq(i%item_count).show();
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}
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$('.nav-prev-overlay',j_gallery).click(showPrevItem);
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$('.nav-next-overlay',j_gallery).click(showNextItem);
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$('.nav-prev',j_gallery).click(showPrevItem);
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$('.nav-next',j_gallery).click(showNextItem);
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enableFrameClicking();
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});
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}
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}
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}
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};
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//Find padding and border widths applied to element
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//If border is non-numerical ('thin','medium', etc) set to zero
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function extraWidth(el) {
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if(!el) return 0;
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if(el.length==0) return 0;
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el = el.eq(0);
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var ew = 0;
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ew += getInt(el.css('paddingLeft'));
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ew += getInt(el.css('paddingRight'));
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ew += getInt(el.css('borderLeftWidth'));
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ew += getInt(el.css('borderRightWidth'));
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return ew;
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}
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//Find padding and border heights applied to element
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//If border is non-numerical ('thin','medium', etc) set to zero
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function extraHeight(el) {
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if(!el) return 0;
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if(el.length==0) return 0;
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el = el.eq(0);
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var eh = 0;
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eh += getInt(el.css('paddingTop'));
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eh += getInt(el.css('paddingBottom'));
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eh += getInt(el.css('borderTopWidth'));
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eh += getInt(el.css('borderBottomWidth'));
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return eh;
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}
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//Halt transition timer, move to next item, restart timer
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function showNextItem() {
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$(document).stopTime("transition");
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if(++iterator==j_frames.length) {iterator=0;}
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showItem(iterator);
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if(!paused) {
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$(document).everyTime(opts.transition_interval,"transition",function(){
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showNextItem();
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});
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}
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};
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//Halt transition timer, move to previous item, restart timer
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function showPrevItem() {
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$(document).stopTime("transition");
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if(--iterator<0) {iterator = item_count-1;}
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showItem(iterator);
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if(!paused) {
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$(document).everyTime(opts.transition_interval,"transition",function(){
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showNextItem();
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});
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}
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};
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//Get absolute position of element in relation to top-left corner of gallery
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//If el=gallery, return position of gallery within browser viewport
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function getPos(el) {
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var left = 0, top = 0;
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var el_id = el.id;
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if(el.offsetParent) {
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do {
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left += el.offsetLeft;
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top += el.offsetTop;
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} while(el = el.offsetParent);
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}
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//If we want the position of the gallery itself, return it
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if(el_id == id) {return {'left':left,'top':top};}
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//Otherwise, get position of element relative to gallery
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else {
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var gPos = getPos(j_gallery[0]);
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var gLeft = gPos.left;
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var gTop = gPos.top;
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return {'left':left-gLeft,'top':top-gTop};
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}
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};
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//Add onclick event to each frame
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function enableFrameClicking() {
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j_frames.each(function(i){
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//If there isn't a link in this frame, set up frame to slide on click
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//Frames with links will handle themselves
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if($('a',this).length==0) {
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$(this).click(function(){
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if(iterator!=i) {
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$(document).stopTime("transition");
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showItem(i);
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iterator = i;
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if(!paused) {
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$(document).everyTime(opts.transition_interval,"transition",function(){
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showNextItem();
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});
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}
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}
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});
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}
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});
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};
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//Construct gallery panels from '.panel' <div>s
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function buildPanels() {
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//If there are panel captions, add overlay divs
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j_panels.each(function(i){
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if($('.panel-overlay',this).length>0) {
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$(this).append('<div class="overlay-background"></div>');
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}
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});
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if(!opts.show_filmstrip) {
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//Add navigation buttons
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$('<img />').addClass('nav-next').attr('src',theme_path+opts.nav_theme+'/next.gif').appendTo(j_gallery).css({
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'position':'absolute',
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'zIndex':'1100',
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'cursor':'pointer',
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'top':((opts.panel_height-22)/2)+gallery_padding+'px',
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'right':'10px',
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'display':'none'
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}).click(showNextItem);
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$('<img />').addClass('nav-prev').attr('src',theme_path+opts.nav_theme+'/prev.gif').appendTo(j_gallery).css({
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'position':'absolute',
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'zIndex':'1100',
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'cursor':'pointer',
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'top':((opts.panel_height-22)/2)+gallery_padding+'px',
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'left':'10px',
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'display':'none'
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}).click(showPrevItem);
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$('<img />').addClass('nav-next-overlay').attr('src',theme_path+opts.nav_theme+'/panel-nav-next.gif').appendTo(j_gallery).css({
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'position':'absolute',
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'zIndex':'1099',
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'top':((opts.panel_height-22)/2)+gallery_padding-10+'px',
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'right':'0',
|
||
|
|
'display':'none',
|
||
|
|
'cursor':'pointer',
|
||
|
|
'opacity':0.75
|
||
|
|
}).click(showNextItem);
|
||
|
|
|
||
|
|
$('<img />').addClass('nav-prev-overlay').attr('src',theme_path+opts.nav_theme+'/panel-nav-prev.gif').appendTo(j_gallery).css({
|
||
|
|
'position':'absolute',
|
||
|
|
'zIndex':'1099',
|
||
|
|
'top':((opts.panel_height-22)/2)+gallery_padding-10+'px',
|
||
|
|
'left':'0',
|
||
|
|
'display':'none',
|
||
|
|
'cursor':'pointer',
|
||
|
|
'opacity':0.75
|
||
|
|
}).click(showPrevItem);
|
||
|
|
}
|
||
|
|
j_panels.each(function(i){
|
||
|
|
$(this).css({
|
||
|
|
'width':(opts.panel_width-extraWidth(j_panels))+'px',
|
||
|
|
'height':(opts.panel_height-extraHeight(j_panels))+'px',
|
||
|
|
'position':'absolute',
|
||
|
|
'overflow':'hidden',
|
||
|
|
'display':'none'
|
||
|
|
});
|
||
|
|
switch(opts.filmstrip_position) {
|
||
|
|
case 'top': $(this).css({
|
||
|
|
'top':strip_height+Math.max(gallery_padding,filmstrip_margin)+'px',
|
||
|
|
'left':gallery_padding+'px'
|
||
|
|
}); break;
|
||
|
|
case 'left': $(this).css({
|
||
|
|
'top':gallery_padding+'px',
|
||
|
|
'left':strip_width+Math.max(gallery_padding,filmstrip_margin)+'px'
|
||
|
|
}); break;
|
||
|
|
default: $(this).css({'top':gallery_padding+'px','left':gallery_padding+'px'}); break;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
$('.panel-overlay',j_panels).css({
|
||
|
|
'position':'absolute',
|
||
|
|
'zIndex':'999',
|
||
|
|
'width':(opts.panel_width-extraWidth($('.panel-overlay',j_panels)))+'px',
|
||
|
|
'left':'0'
|
||
|
|
});
|
||
|
|
$('.overlay-background',j_panels).css({
|
||
|
|
'position':'absolute',
|
||
|
|
'zIndex':'998',
|
||
|
|
'width':opts.panel_width+'px',
|
||
|
|
'left':'0',
|
||
|
|
'opacity':opts.overlay_opacity
|
||
|
|
});
|
||
|
|
if(opts.overlay_position=='top') {
|
||
|
|
$('.panel-overlay',j_panels).css('top',0);
|
||
|
|
$('.overlay-background',j_panels).css('top',0);
|
||
|
|
} else {
|
||
|
|
$('.panel-overlay',j_panels).css('bottom',0);
|
||
|
|
$('.overlay-background',j_panels).css('bottom',0);
|
||
|
|
}
|
||
|
|
|
||
|
|
$('.panel iframe',j_panels).css({
|
||
|
|
'width':opts.panel_width+'px',
|
||
|
|
'height':opts.panel_height+'px',
|
||
|
|
'border':'0'
|
||
|
|
});
|
||
|
|
|
||
|
|
if(scale_panel_images) {
|
||
|
|
$('img',j_panels).each(function(i){
|
||
|
|
$(this).css({
|
||
|
|
'height':panel_img_scale[i%item_count]*img_h[i%item_count],
|
||
|
|
'width':panel_img_scale[i%item_count]*img_w[i%item_count],
|
||
|
|
'position':'relative',
|
||
|
|
'top':(opts.panel_height-(panel_img_scale[i%item_count]*img_h[i%item_count]))/2+'px',
|
||
|
|
'left':(opts.panel_width-(panel_img_scale[i%item_count]*img_w[i%item_count]))/2+'px'
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
//Construct filmstrip from '.filmstrip' <ul>
|
||
|
|
function buildFilmstrip() {
|
||
|
|
//Add wrapper to filmstrip to hide extra frames
|
||
|
|
j_filmstrip.wrap('<div class="strip_wrapper"></div>');
|
||
|
|
if(slide_method=='strip') {
|
||
|
|
j_frames.clone().appendTo(j_filmstrip);
|
||
|
|
j_frames.clone().appendTo(j_filmstrip);
|
||
|
|
j_frames = $('li',j_filmstrip);
|
||
|
|
}
|
||
|
|
//If captions are enabled, add caption divs and fill with the image titles
|
||
|
|
if(opts.show_captions) {
|
||
|
|
j_frames.append('<div class="caption"></div>').each(function(i){
|
||
|
|
$(this).find('.caption').html($(this).find('img').attr('title'));
|
||
|
|
//$(this).find('.caption').html(i);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
j_filmstrip.css({
|
||
|
|
'listStyle':'none',
|
||
|
|
'margin':'0',
|
||
|
|
'padding':'0',
|
||
|
|
'width':strip_width+'px',
|
||
|
|
'position':'absolute',
|
||
|
|
'zIndex':'900',
|
||
|
|
'top':(filmstrip_orientation=='vertical' && slide_method=='strip'?-((f_frame_height+opts.frame_gap)*iterator):0)+'px',
|
||
|
|
'left':(filmstrip_orientation=='horizontal' && slide_method=='strip'?-((f_frame_width+opts.frame_gap)*iterator):0)+'px',
|
||
|
|
'height':strip_height+'px'
|
||
|
|
});
|
||
|
|
j_frames.css({
|
||
|
|
'float':'left',
|
||
|
|
'position':'relative',
|
||
|
|
'height':f_frame_height+(opts.show_captions?frame_caption_size:0)+'px',
|
||
|
|
'width':f_frame_width+'px',
|
||
|
|
'zIndex':'901',
|
||
|
|
'padding':'0',
|
||
|
|
'cursor':'pointer'
|
||
|
|
});
|
||
|
|
switch(opts.filmstrip_position) {
|
||
|
|
case 'top': j_frames.css({
|
||
|
|
'marginBottom':filmstrip_margin+'px',
|
||
|
|
'marginRight':opts.frame_gap+'px'
|
||
|
|
}); break;
|
||
|
|
case 'bottom': j_frames.css({
|
||
|
|
'marginTop':filmstrip_margin+'px',
|
||
|
|
'marginRight':opts.frame_gap+'px'
|
||
|
|
}); break;
|
||
|
|
case 'left': j_frames.css({
|
||
|
|
'marginRight':filmstrip_margin+'px',
|
||
|
|
'marginBottom':opts.frame_gap+'px'
|
||
|
|
}); break;
|
||
|
|
case 'right': j_frames.css({
|
||
|
|
'marginLeft':filmstrip_margin+'px',
|
||
|
|
'marginBottom':opts.frame_gap+'px'
|
||
|
|
}); break;
|
||
|
|
}
|
||
|
|
$('.img_wrap',j_frames).each(function(i){
|
||
|
|
$(this).css({
|
||
|
|
'height':Math.min(opts.frame_height,img_h[i%item_count]*frame_img_scale[i%item_count])+'px',
|
||
|
|
'width':Math.min(opts.frame_width,img_w[i%item_count]*frame_img_scale[i%item_count])+'px',
|
||
|
|
'position':'relative',
|
||
|
|
'top':(opts.show_captions && opts.filmstrip_position=='top'?frame_caption_size:0)+Math.max(0,(opts.frame_height-(frame_img_scale[i%item_count]*img_h[i%item_count]))/2)+'px',
|
||
|
|
'left':Math.max(0,(opts.frame_width-(frame_img_scale[i%item_count]*img_w[i%item_count]))/2)+'px',
|
||
|
|
'overflow':'hidden'
|
||
|
|
});
|
||
|
|
});
|
||
|
|
$('img',j_frames).each(function(i){
|
||
|
|
$(this).css({
|
||
|
|
'opacity':opts.frame_opacity,
|
||
|
|
'height':img_h[i%item_count]*frame_img_scale[i%item_count]+'px',
|
||
|
|
'width':img_w[i%item_count]*frame_img_scale[i%item_count]+'px',
|
||
|
|
'position':'relative',
|
||
|
|
'top':Math.min(0,(opts.frame_height-(frame_img_scale[i%item_count]*img_h[i%item_count]))/2)+'px',
|
||
|
|
'left':Math.min(0,(opts.frame_width-(frame_img_scale[i%item_count]*img_w[i%item_count]))/2)+'px'
|
||
|
|
|
||
|
|
}).mouseover(function(){
|
||
|
|
$(this).stop().animate({'opacity':1.0},300);
|
||
|
|
}).mouseout(function(){
|
||
|
|
//Don't fade out current frame on mouseout
|
||
|
|
if(!$(this).parent().parent().hasClass('current')) $(this).stop().animate({'opacity':opts.frame_opacity},300);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
$('.strip_wrapper',j_gallery).css({
|
||
|
|
'position':'absolute',
|
||
|
|
'overflow':'hidden'
|
||
|
|
});
|
||
|
|
if(filmstrip_orientation=='horizontal') {
|
||
|
|
$('.strip_wrapper',j_gallery).css({
|
||
|
|
'top':(opts.filmstrip_position=='top'?Math.max(gallery_padding,filmstrip_margin)+'px':opts.panel_height+gallery_padding+'px'),
|
||
|
|
'left':((gallery_width-wrapper_width)/2)+gallery_padding+'px',
|
||
|
|
'width':wrapper_width+'px',
|
||
|
|
'height':strip_height+'px'
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
$('.strip_wrapper',j_gallery).css({
|
||
|
|
'left':(opts.filmstrip_position=='left'?Math.max(gallery_padding,filmstrip_margin)+'px':opts.panel_width+gallery_padding+'px'),
|
||
|
|
'top':Math.max(gallery_padding,opts.frame_gap)+'px',
|
||
|
|
'width':strip_width+'px',
|
||
|
|
'height':wrapper_height+'px'
|
||
|
|
});
|
||
|
|
}
|
||
|
|
$('.caption',j_gallery).css({
|
||
|
|
'position':'absolute',
|
||
|
|
'top':(opts.filmstrip_position=='bottom'?f_frame_height:0)+'px',
|
||
|
|
'left':'0',
|
||
|
|
'margin':'0',
|
||
|
|
'width':f_frame_width+'px',
|
||
|
|
'padding':'0',
|
||
|
|
'height':frame_caption_size+'px',
|
||
|
|
'overflow':'hidden',
|
||
|
|
'lineHeight':frame_caption_size+'px'
|
||
|
|
});
|
||
|
|
var pointer = $('<div></div>');
|
||
|
|
pointer.addClass('pointer').appendTo(j_gallery).css({
|
||
|
|
'position':'absolute',
|
||
|
|
'zIndex':'1000',
|
||
|
|
'width':'0px',
|
||
|
|
'fontSize':'0px',
|
||
|
|
'lineHeight':'0%',
|
||
|
|
'borderTopWidth':pointer_height+'px',
|
||
|
|
'borderRightWidth':(pointer_width/2)+'px',
|
||
|
|
'borderBottomWidth':pointer_height+'px',
|
||
|
|
'borderLeftWidth':(pointer_width/2)+'px',
|
||
|
|
'borderStyle':'solid'
|
||
|
|
});
|
||
|
|
|
||
|
|
//For IE6, use predefined color string in place of transparent (see stylesheet)
|
||
|
|
var transColor = $.browser.msie && $.browser.version.substr(0,1)=='6' ? 'pink' : 'transparent'
|
||
|
|
|
||
|
|
if(!opts.show_panels) { pointer.css('borderColor',transColor); }
|
||
|
|
|
||
|
|
switch(opts.filmstrip_position) {
|
||
|
|
case 'top': pointer.css({
|
||
|
|
'bottom':(opts.panel_height-(pointer_height*2)+gallery_padding+filmstrip_margin)+'px',
|
||
|
|
'left':((gallery_width-wrapper_width)/2)+(slide_method=='strip'?0:((f_frame_width+opts.frame_gap)*iterator))+((f_frame_width/2)-(pointer_width/2))+gallery_padding+'px',
|
||
|
|
'borderBottomColor':transColor,
|
||
|
|
'borderRightColor':transColor,
|
||
|
|
'borderLeftColor':transColor
|
||
|
|
}); break;
|
||
|
|
case 'bottom': pointer.css({
|
||
|
|
'top':(opts.panel_height-(pointer_height*2)+gallery_padding+filmstrip_margin)+'px',
|
||
|
|
'left':((gallery_width-wrapper_width)/2)+(slide_method=='strip'?0:((f_frame_width+opts.frame_gap)*iterator))+((f_frame_width/2)-(pointer_width/2))+gallery_padding+'px',
|
||
|
|
'borderTopColor':transColor,
|
||
|
|
'borderRightColor':transColor,
|
||
|
|
'borderLeftColor':transColor
|
||
|
|
}); break;
|
||
|
|
case 'left': pointer.css({
|
||
|
|
'right':(opts.panel_width-pointer_width+gallery_padding+filmstrip_margin)+'px',
|
||
|
|
'top':(f_frame_height/2)-(pointer_height)+(slide_method=='strip'?0:((f_frame_height+opts.frame_gap)*iterator))+gallery_padding+'px',
|
||
|
|
'borderBottomColor':transColor,
|
||
|
|
'borderRightColor':transColor,
|
||
|
|
'borderTopColor':transColor
|
||
|
|
}); break;
|
||
|
|
case 'right': pointer.css({
|
||
|
|
'left':(opts.panel_width-pointer_width+gallery_padding+filmstrip_margin)+'px',
|
||
|
|
'top':(f_frame_height/2)-(pointer_height)+(slide_method=='strip'?0:((f_frame_height+opts.frame_gap)*iterator))+gallery_padding+'px',
|
||
|
|
'borderBottomColor':transColor,
|
||
|
|
'borderLeftColor':transColor,
|
||
|
|
'borderTopColor':transColor
|
||
|
|
}); break;
|
||
|
|
}
|
||
|
|
|
||
|
|
j_pointer = $('.pointer',j_gallery);
|
||
|
|
|
||
|
|
//Add navigation buttons
|
||
|
|
var navNext = $('<img />');
|
||
|
|
navNext.addClass('nav-next').attr('src',theme_path+opts.nav_theme+'/next.gif').appendTo(j_gallery).css({
|
||
|
|
'position':'absolute',
|
||
|
|
'cursor':'pointer'
|
||
|
|
}).click(showNextItem);
|
||
|
|
var navPrev = $('<img />');
|
||
|
|
navPrev.addClass('nav-prev').attr('src',theme_path+opts.nav_theme+'/prev.gif').appendTo(j_gallery).css({
|
||
|
|
'position':'absolute',
|
||
|
|
'cursor':'pointer'
|
||
|
|
}).click(showPrevItem);
|
||
|
|
if(filmstrip_orientation=='horizontal') {
|
||
|
|
navNext.css({
|
||
|
|
'top':(opts.filmstrip_position=='top'?Math.max(gallery_padding,filmstrip_margin):opts.panel_height+filmstrip_margin+gallery_padding)+((f_frame_height-22)/2)+'px',
|
||
|
|
'right':((gallery_width+(gallery_padding*2))/2)-(wrapper_width/2)-opts.frame_gap-22+'px'
|
||
|
|
});
|
||
|
|
navPrev.css({
|
||
|
|
'top':(opts.filmstrip_position=='top'?Math.max(gallery_padding,filmstrip_margin):opts.panel_height+filmstrip_margin+gallery_padding)+((f_frame_height-22)/2)+'px',
|
||
|
|
'left':((gallery_width+(gallery_padding*2))/2)-(wrapper_width/2)-opts.frame_gap-22+'px'
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
navNext.css({
|
||
|
|
'left':(opts.filmstrip_position=='left'?Math.max(gallery_padding,filmstrip_margin):opts.panel_width+filmstrip_margin+gallery_padding)+((f_frame_width-22)/2)+13+'px',
|
||
|
|
'top':wrapper_height+(Math.max(gallery_padding,opts.frame_gap)*2)+'px'
|
||
|
|
});
|
||
|
|
navPrev.css({
|
||
|
|
'left':(opts.filmstrip_position=='left'?Math.max(gallery_padding,filmstrip_margin):opts.panel_width+filmstrip_margin+gallery_padding)+((f_frame_width-22)/2)-13+'px',
|
||
|
|
'top':wrapper_height+(Math.max(gallery_padding,opts.frame_gap)*2)+'px'
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
//Check mouse to see if it is within the borders of the panel
|
||
|
|
//More reliable than 'mouseover' event when elements overlay the panel
|
||
|
|
function mouseIsOverGallery(x,y) {
|
||
|
|
var pos = getPos(j_gallery[0]);
|
||
|
|
var top = pos.top;
|
||
|
|
var left = pos.left;
|
||
|
|
return x > left && x < left+gallery_width+(filmstrip_orientation=='horizontal'?(gallery_padding*2):gallery_padding+Math.max(gallery_padding,filmstrip_margin)) && y > top && y < top+gallery_height+(filmstrip_orientation=='vertical'?(gallery_padding*2):gallery_padding+Math.max(gallery_padding,filmstrip_margin));
|
||
|
|
};
|
||
|
|
|
||
|
|
function getInt(i) {
|
||
|
|
i = parseInt(i,10);
|
||
|
|
if(isNaN(i)) { i = 0; }
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
|
||
|
|
function buildGallery() {
|
||
|
|
var gallery_images = opts.show_filmstrip?$('img',j_frames):$('img',j_panels);
|
||
|
|
gallery_images.each(function(i){
|
||
|
|
img_h[i] = this.height;
|
||
|
|
img_w[i] = this.width;
|
||
|
|
if(opts.frame_scale=='nocrop') {
|
||
|
|
frame_img_scale[i] = Math.min(opts.frame_height/img_h[i],opts.frame_width/img_w[i]);
|
||
|
|
} else {
|
||
|
|
frame_img_scale[i] = Math.max(opts.frame_height/img_h[i],opts.frame_width/img_w[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(opts.panel_scale=='nocrop') {
|
||
|
|
panel_img_scale[i] = Math.min(opts.panel_height/img_h[i],opts.panel_width/img_w[i]);
|
||
|
|
} else {
|
||
|
|
panel_img_scale[i] = Math.max(opts.panel_height/img_h[i],opts.panel_width/img_w[i]);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
/************************************************/
|
||
|
|
/* Apply CSS Styles */
|
||
|
|
/************************************************/
|
||
|
|
j_gallery.css({
|
||
|
|
'position':'relative',
|
||
|
|
'width':gallery_width+(filmstrip_orientation=='horizontal'?(gallery_padding*2):gallery_padding+Math.max(gallery_padding,filmstrip_margin))+'px',
|
||
|
|
'height':gallery_height+(filmstrip_orientation=='vertical'?(gallery_padding*2):gallery_padding+Math.max(gallery_padding,filmstrip_margin))+'px'
|
||
|
|
});
|
||
|
|
|
||
|
|
/************************************************/
|
||
|
|
/* Build filmstrip and/or panels */
|
||
|
|
/************************************************/
|
||
|
|
if(opts.show_filmstrip) {
|
||
|
|
buildFilmstrip();
|
||
|
|
enableFrameClicking();
|
||
|
|
}
|
||
|
|
if(opts.show_panels) {
|
||
|
|
buildPanels();
|
||
|
|
}
|
||
|
|
|
||
|
|
/************************************************/
|
||
|
|
/* Add events to various elements */
|
||
|
|
/************************************************/
|
||
|
|
if(opts.pause_on_hover || (opts.show_panels && !opts.show_filmstrip)) {
|
||
|
|
$().mousemove(function(e){
|
||
|
|
if(mouseIsOverGallery(e.pageX,e.pageY)) {
|
||
|
|
if(opts.pause_on_hover) {
|
||
|
|
if(!paused) {
|
||
|
|
$(document).oneTime(500,"animation_pause",function(){
|
||
|
|
$(document).stopTime("transition");
|
||
|
|
paused=true;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(opts.show_panels && !opts.show_filmstrip && !panel_nav_displayed) {
|
||
|
|
$('.nav-next-overlay').fadeIn('fast');
|
||
|
|
$('.nav-prev-overlay').fadeIn('fast');
|
||
|
|
$('.nav-next',j_gallery).fadeIn('fast');
|
||
|
|
$('.nav-prev',j_gallery).fadeIn('fast');
|
||
|
|
panel_nav_displayed = true;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if(opts.pause_on_hover) {
|
||
|
|
$(document).stopTime("animation_pause");
|
||
|
|
if(paused) {
|
||
|
|
$(document).everyTime(opts.transition_interval,"transition",function(){
|
||
|
|
showNextItem();
|
||
|
|
});
|
||
|
|
paused = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(opts.show_panels && !opts.show_filmstrip && panel_nav_displayed) {
|
||
|
|
$('.nav-next-overlay').fadeOut('fast');
|
||
|
|
$('.nav-prev-overlay').fadeOut('fast');
|
||
|
|
$('.nav-next',j_gallery).fadeOut('fast');
|
||
|
|
$('.nav-prev',j_gallery).fadeOut('fast');
|
||
|
|
panel_nav_displayed = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/****************************************************************/
|
||
|
|
/* Initiate Automated Animation */
|
||
|
|
/****************************************************************/
|
||
|
|
|
||
|
|
//Hide loading box
|
||
|
|
j_filmstrip.css('visibility','visible');
|
||
|
|
j_gallery.css('visibility','visible');
|
||
|
|
$('.loader',j_gallery).fadeOut('1000',function(){
|
||
|
|
//Show the 'first' panel
|
||
|
|
showItem(iterator);
|
||
|
|
//If we have more than one item, begin automated transitions
|
||
|
|
if(item_count > 1) {
|
||
|
|
$(document).everyTime(opts.transition_interval,"transition",function(){
|
||
|
|
showNextItem();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/************************************************/
|
||
|
|
/* Main Plugin Code */
|
||
|
|
/************************************************/
|
||
|
|
return this.each(function() {
|
||
|
|
//Hide <ul>
|
||
|
|
$(this).css('visibility','hidden');
|
||
|
|
|
||
|
|
//Wrap <ul> in <div> and transfer ID to container <div>
|
||
|
|
//Assign filmstrip class to <ul>
|
||
|
|
$(this).wrap("<div></div>");
|
||
|
|
j_gallery = $(this).parent();
|
||
|
|
j_gallery.css('visibility','hidden').attr('id',$(this).attr('id')).addClass('gallery');
|
||
|
|
$(this).removeAttr('id').addClass('filmstrip');
|
||
|
|
|
||
|
|
$(document).stopTime("transition");
|
||
|
|
$(document).stopTime("animation_pause");
|
||
|
|
|
||
|
|
id = j_gallery.attr('id');
|
||
|
|
|
||
|
|
//If there is no defined panel content, we will scale panel images
|
||
|
|
scale_panel_images = $('.panel-content',j_gallery).length==0;
|
||
|
|
|
||
|
|
//Define dimensions of pointer <div>
|
||
|
|
pointer_height = opts.pointer_size;
|
||
|
|
pointer_width = opts.pointer_size*2;
|
||
|
|
|
||
|
|
//Determine filmstrip orientation (vertical or horizontal)
|
||
|
|
//Do not show captions on vertical filmstrips
|
||
|
|
filmstrip_orientation = (opts.filmstrip_position=='top'||opts.filmstrip_position=='bottom'?'horizontal':'vertical');
|
||
|
|
if(filmstrip_orientation=='vertical') opts.show_captions = false;
|
||
|
|
|
||
|
|
//Determine path between current page and plugin images
|
||
|
|
//Scan script tags and look for path to GalleryView plugin
|
||
|
|
$('script').each(function(i){
|
||
|
|
var s = $(this);
|
||
|
|
if(s.attr('src') && s.attr('src').match(/jquery\.galleryview/)){
|
||
|
|
loader_path = s.attr('src').split('jquery.galleryview')[0];
|
||
|
|
theme_path = s.attr('src').split('jquery.galleryview')[0]+'themes/';
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
j_filmstrip = $('.filmstrip',j_gallery);
|
||
|
|
j_frames = $('li',j_filmstrip);
|
||
|
|
j_frames.addClass('frame');
|
||
|
|
|
||
|
|
//If the user wants panels, generate them using the filmstrip images
|
||
|
|
if(opts.show_panels) {
|
||
|
|
for(i=j_frames.length-1;i>=0;i--) {
|
||
|
|
if(j_frames.eq(i).find('.panel-content').length>0) {
|
||
|
|
j_frames.eq(i).find('.panel-content').remove().prependTo(j_gallery).addClass('panel');
|
||
|
|
} else {
|
||
|
|
p = $('<div>');
|
||
|
|
p.addClass('panel');
|
||
|
|
im = $('<img />');
|
||
|
|
im.attr('src',j_frames.eq(i).find('img').eq(0).attr('src')).appendTo(p);
|
||
|
|
p.prependTo(j_gallery);
|
||
|
|
j_frames.eq(i).find('.panel-overlay').remove().appendTo(p);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$('.panel-overlay',j_frames).remove();
|
||
|
|
$('.panel-content',j_frames).remove();
|
||
|
|
}
|
||
|
|
|
||
|
|
//If the user doesn't want a filmstrip, delete it
|
||
|
|
if(!opts.show_filmstrip) { j_filmstrip.remove(); }
|
||
|
|
else {
|
||
|
|
//Wrap the frame images (and links, if applicable) in container divs
|
||
|
|
//These divs will handle cropping and zooming of the images
|
||
|
|
j_frames.each(function(i){
|
||
|
|
if($(this).find('a').length>0) {
|
||
|
|
$(this).find('a').wrap('<div class="img_wrap"></div>');
|
||
|
|
} else {
|
||
|
|
$(this).find('img').wrap('<div class="img_wrap"></div>');
|
||
|
|
}
|
||
|
|
});
|
||
|
|
j_frame_img_wrappers = $('.img_wrap',j_frames);
|
||
|
|
}
|
||
|
|
|
||
|
|
j_panels = $('.panel',j_gallery);
|
||
|
|
|
||
|
|
if(!opts.show_panels) {
|
||
|
|
opts.panel_height = 0;
|
||
|
|
opts.panel_width = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//Determine final frame dimensions, accounting for user-added padding and border
|
||
|
|
f_frame_width = opts.frame_width+extraWidth(j_frame_img_wrappers);
|
||
|
|
f_frame_height = opts.frame_height+extraHeight(j_frame_img_wrappers);
|
||
|
|
|
||
|
|
//Number of frames in filmstrip
|
||
|
|
item_count = opts.show_panels?j_panels.length:j_frames.length;
|
||
|
|
|
||
|
|
//Number of frames that can display within the gallery block
|
||
|
|
//64 = width of block for navigation button * 2 + 20
|
||
|
|
if(filmstrip_orientation=='horizontal') {
|
||
|
|
strip_size = opts.show_panels?Math.floor((opts.panel_width-((opts.frame_gap+22)*2))/(f_frame_width+opts.frame_gap)):Math.min(item_count,opts.filmstrip_size);
|
||
|
|
} else {
|
||
|
|
strip_size = opts.show_panels?Math.floor((opts.panel_height-(opts.frame_gap+22))/(f_frame_height+opts.frame_gap)):Math.min(item_count,opts.filmstrip_size);
|
||
|
|
}
|
||
|
|
|
||
|
|
/************************************************/
|
||
|
|
/* Determine transition method for filmstrip */
|
||
|
|
/************************************************/
|
||
|
|
//If more items than strip size, slide filmstrip
|
||
|
|
//Otherwise, slide pointer
|
||
|
|
if(strip_size >= item_count) {
|
||
|
|
slide_method = 'pointer';
|
||
|
|
strip_size = item_count;
|
||
|
|
}
|
||
|
|
else {slide_method = 'strip';}
|
||
|
|
|
||
|
|
iterator = (strip_size<item_count?item_count:0)+opts.start_frame-1;
|
||
|
|
|
||
|
|
/************************************************/
|
||
|
|
/* Determine dimensions of various elements */
|
||
|
|
/************************************************/
|
||
|
|
filmstrip_margin = (opts.show_panels?getInt(j_filmstrip.css('marginTop')):0);
|
||
|
|
j_filmstrip.css('margin','0px');
|
||
|
|
|
||
|
|
if(filmstrip_orientation=='horizontal') {
|
||
|
|
//Width of gallery block
|
||
|
|
gallery_width = opts.show_panels?opts.panel_width:(strip_size*(f_frame_width+opts.frame_gap))+44+opts.frame_gap;
|
||
|
|
|
||
|
|
//Height of gallery block = screen + filmstrip + captions (optional)
|
||
|
|
gallery_height = (opts.show_panels?opts.panel_height:0)+(opts.show_filmstrip?f_frame_height+filmstrip_margin+(opts.show_captions?frame_caption_size:0):0);
|
||
|
|
} else {
|
||
|
|
//Width of gallery block
|
||
|
|
gallery_height = opts.show_panels?opts.panel_height:(strip_size*(f_frame_height+opts.frame_gap))+22;
|
||
|
|
|
||
|
|
//Height of gallery block = screen + filmstrip + captions (optional)
|
||
|
|
gallery_width = (opts.show_panels?opts.panel_width:0)+(opts.show_filmstrip?f_frame_width+filmstrip_margin:0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//Width of filmstrip
|
||
|
|
if(filmstrip_orientation=='horizontal') {
|
||
|
|
if(slide_method == 'pointer') {strip_width = (f_frame_width*item_count)+(opts.frame_gap*(item_count));}
|
||
|
|
else {strip_width = (f_frame_width*item_count*3)+(opts.frame_gap*(item_count*3));}
|
||
|
|
} else {
|
||
|
|
strip_width = (f_frame_width+filmstrip_margin);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(filmstrip_orientation=='horizontal') {
|
||
|
|
strip_height = (f_frame_height+filmstrip_margin+(opts.show_captions?frame_caption_size:0));
|
||
|
|
} else {
|
||
|
|
if(slide_method == 'pointer') {strip_height = (f_frame_height*item_count+opts.frame_gap*(item_count));}
|
||
|
|
else {strip_height = (f_frame_height*item_count*3)+(opts.frame_gap*(item_count*3));}
|
||
|
|
}
|
||
|
|
|
||
|
|
//Width of filmstrip wrapper (to hide overflow)
|
||
|
|
wrapper_width = ((strip_size*f_frame_width)+((strip_size-1)*opts.frame_gap));
|
||
|
|
wrapper_height = ((strip_size*f_frame_height)+((strip_size-1)*opts.frame_gap));
|
||
|
|
|
||
|
|
|
||
|
|
gallery_padding = getInt(j_gallery.css('paddingTop'));
|
||
|
|
j_gallery.css('padding','0px');
|
||
|
|
/********************************************************/
|
||
|
|
/* PLACE LOADING BOX OVER GALLERY UNTIL IMAGES LOAD */
|
||
|
|
/********************************************************/
|
||
|
|
galleryPos = getPos(j_gallery[0]);
|
||
|
|
$('<div>').addClass('loader').css({
|
||
|
|
'position':'absolute',
|
||
|
|
'zIndex':'32666',
|
||
|
|
'opacity':1,
|
||
|
|
'top':'0px',
|
||
|
|
'left':'0px',
|
||
|
|
'width':gallery_width+(filmstrip_orientation=='horizontal'?(gallery_padding*2):gallery_padding+Math.max(gallery_padding,filmstrip_margin))+'px',
|
||
|
|
'height':gallery_height+(filmstrip_orientation=='vertical'?(gallery_padding*2):gallery_padding+Math.max(gallery_padding,filmstrip_margin))+'px'
|
||
|
|
}).appendTo(j_gallery);
|
||
|
|
|
||
|
|
|
||
|
|
if(!window_loaded) {
|
||
|
|
$(window).load(function(){
|
||
|
|
window_loaded = true;
|
||
|
|
buildGallery();
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
buildGallery();
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
$.fn.galleryView.defaults = {
|
||
|
|
|
||
|
|
show_panels: true,
|
||
|
|
show_filmstrip: true,
|
||
|
|
|
||
|
|
panel_width: 600,
|
||
|
|
panel_height: 400,
|
||
|
|
frame_width: 60,
|
||
|
|
frame_height: 40,
|
||
|
|
|
||
|
|
start_frame: 1,
|
||
|
|
filmstrip_size: 3,
|
||
|
|
transition_speed: 800,
|
||
|
|
transition_interval: 4000,
|
||
|
|
|
||
|
|
overlay_opacity: 0.7,
|
||
|
|
frame_opacity: 0.3,
|
||
|
|
|
||
|
|
pointer_size: 8,
|
||
|
|
|
||
|
|
nav_theme: 'dark',
|
||
|
|
easing: 'swing',
|
||
|
|
|
||
|
|
filmstrip_position: 'bottom',
|
||
|
|
overlay_position: 'bottom',
|
||
|
|
|
||
|
|
panel_scale: 'nocrop',
|
||
|
|
frame_scale: 'crop',
|
||
|
|
|
||
|
|
frame_gap: 5,
|
||
|
|
|
||
|
|
show_captions: false,
|
||
|
|
fade_panels: true,
|
||
|
|
pause_on_hover: false
|
||
|
|
};
|
||
|
|
})(jQuery);
|