{I"
class:ETI"ProcessedAsset; FI"logical_path; TI"&spotlight/multi_image_selector.js; FI"
pathname; TI"b/Users/cabeer/Projects/sul/spotlight/app/assets/javascripts/spotlight/multi_image_selector.js; FI"content_type; TI"application/javascript; TI"
mtime; Tl+½XvTI" length; TiýI" digest; TI"%648b423e4fd759c83361a8cfe9e0861c; FI" source; TI"ý// Module to add multi-image selector to widget panels
(function(){
$.fn.multiImageSelector = function(thumbnails) {
var changeLink = $(" Change"),
thumbsListContainer = $(""),
thumbList = $(""),
panel;
return init(this);
function init(el) {
panel = el;
if(thumbnails && thumbnails.length > 1) {
addChangeLink();
addThumbsList();
}
}
function addChangeLink() {
$('[data-panel-image-pagination]', panel)
.html("Image " + currentThumbIndex() + " of " + thumbnails.length)
.show()
.append(changeLink);
addChangeLinkBehavior();
}
function currentThumb(){
return $("[data-item-grid-thumbnail]", panel).attr('value');
}
function currentThumbIndex(){
if( (index = thumbnails.indexOf(currentThumb())) > -1 ){
return index + 1;
} else {
return 1;
}
}
function addChangeLinkBehavior() {
changeLink.on('click', function(){
thumbsListContainer.slideToggle();
updateThumbListWidth();
addScrollBehavior();
scrollToActiveThumb();
loadVisibleThumbs();
swapChangeLinkText($(this));
});
}
function updateThumbListWidth() {
var width = 0;
$('li', thumbList).each(function(){
width += $(this).outerWidth();
});
thumbList.width(width + 5);
}
function loadVisibleThumbs(){
var viewportWidth = thumbsListContainer.width();
var width = 0;
$('li', thumbList).each(function(){
var thisThumb = $(this),
image = $('img', thisThumb),
totalWidth = width += thisThumb.width();
position = (thumbList.position().left + totalWidth) - thisThumb.width();
if(position >= 0 && position < viewportWidth) {
image.prop('src', image.data('src'));
}
});
}
function addScrollBehavior(){
thumbsListContainer.scrollStop(function(){
loadVisibleThumbs();
});
}
function scrollToActiveThumb(){
var halfContainerWidth = (thumbsListContainer.width() / 2),
activeThumbLeftPosition = ($('.active', thumbList).position() || $('li', thumbList).first().position()).left,
halfActiveThumbWidth = ($('.active', thumbList).width() / 2);
thumbsListContainer.scrollLeft(
(activeThumbLeftPosition - halfContainerWidth) + halfActiveThumbWidth
);
}
function addThumbsList() {
addThumbsToList();
updateActiveThumb();
$('.panel-heading', panel).append(
thumbsListContainer.append(
thumbList
)
);
}
function updateActiveThumb(){
$('li', thumbList).each(function(){
var item = $(this);
if($('img', item).attr('data-src') == currentThumb()){
item.addClass('active');
}
});
}
function swapChangeLinkText(link){
link.text(
link.text() == 'Change' ? 'Cancel' : 'Change'
)
}
function addThumbsToList(){
$.each(thumbnails, function(i){
var listItem = $('![]()
');
listItem.on('click', function(){
var src = $('img', $(this)).attr('src');
$('li', thumbList).removeClass('active');
$(this).addClass('active');
$(".pic.thumbnail img", panel).attr("src", src);
$("[data-item-grid-thumbnail]", panel).attr('value', src);
$('[data-panel-image-pagination] [data-current-image]', panel).text(currentThumbIndex());
scrollToActiveThumb()
});
$("img", listItem).on('load', function() {
updateThumbListWidth();
});
thumbList.append(listItem);
});
}
};
})(jQuery);
// source: http://stackoverflow.com/questions/14035083/jquery-bind-event-on-scroll-stops
jQuery.fn.scrollStop = function(callback) {
$(this).scroll(function() {
var self = this,
$this = $(self);
if ($this.data('scrollTimeout')) {
clearTimeout($this.data('scrollTimeout'));
}
$this.data('scrollTimeout', setTimeout(callback, 250, self));
});
};
; TI"dependency_digest; TI"%677b150d2df9f000f1e98d24d7899f5e; FI"required_paths; T[I"b/Users/cabeer/Projects/sul/spotlight/app/assets/javascripts/spotlight/multi_image_selector.js; FI"dependency_paths; T[{I" path; TI"b/Users/cabeer/Projects/sul/spotlight/app/assets/javascripts/spotlight/multi_image_selector.js; F@I" 2014-11-26T14:48:29-08:00; T@I"%648b423e4fd759c83361a8cfe9e0861c; FI"
_version; TI"%069e88c06b889877799890854d7f4c40; F