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(function($) {
"use strict";
// Constants
var DIRECTION_NEXT = "next",
DIRECTION_PREV = "prev",
EVENT_PAUSE = "pause.fastSlider",
EVENT_RESUME = "resume.fastSlider",
EVENT_ENTER_GALLERY = "entergallery.fastSlider",
EVENT_LEAVE_GALLERY = "leavegallery.fastSlider",
EVENT_SLIDE_SHOWN = "slideshown.fastSlider",
CLASS_SLIDE_IMAGE = "fast-slider-image";
function FastSlider(container, slides, config)
{
var _pos = -1,
_galPos = -1,
_cicles = 0,
_direction = config.direction,
_curDirection = _direction,
$_container = $(container).addClass("fast-slider"),
_slider = this,
_inGallery = void 0,
_isFullScreen = $_container.is("html, body") || $_container[0] === window,
_isFirstTime = true,
_waitingTimeout;
var UI = {
caption : getUIcontrol("caption"),
description: getUIcontrol("description"),
prev : getUIcontrol("prev"),
next : getUIcontrol("next"),
run : getUIcontrol("run"),
gall_next : getUIcontrol("gal_next"),
gall_prev : getUIcontrol("gal_prev")
};
function setCaption(title, href) {
if (UI.caption.length) {
UI.caption.hide();
if (title) {
if (href) {
title = '<a href="' + href + '">' + title + '</a>';
}
UI.caption.html(title).show();
}
}
}
function setDescription(description) {
if (UI.description.length && description) {
UI.description.find('.contents').html(description);
}
}
function goToGalleryItem(dir) {
var gall = slides[_pos].img;
if ($.isArray(gall[0]) && gall.length > 1) {
abort();
//var msg = _galPos + " -> ";
if (dir === "next") {
_curDirection = DIRECTION_NEXT;
if (++_galPos >= gall.length) {
_galPos = 0;
}
}
else if (dir === "prev") {
_curDirection = DIRECTION_PREV;
if (--_galPos < 0) {
_galPos = gall.length - 1;
}
}
else {
return;
}
//console.log(msg + _galPos);
loadImage(gall[_galPos][0], true);
}
}
function abort() {
if (_slider.isRunning()) {
clearTimeout(_waitingTimeout);
_waitingTimeout = null;
return true;
}
return false;
}
function goTo(pos) {
if (slides[pos]) {
abort();
_pos = pos;
var src = slides[pos].img[0];
if ($.isArray(src))
src = src[0];
loadImage(src);
}
}
function resizeImages() {
$("img." + CLASS_SLIDE_IMAGE, $_container).each(function() {
var w = this.offsetWidth,
h = this.offsetHeight,
pw = $_container.width(),
ph = $_container.height();
if (w !== pw) {
this.style.height = "auto";
this.style.width = "100%";
w = pw;
h = this.offsetHeight;
}
if (h < ph) {
this.style.height = "100%";
this.style.width = "auto";
w = this.offsetWidth;
h = ph;
}
this.style.marginLeft = (w === pw) ? 0 : (pw - w) / 2 + "px";
});
}
function showImage(src, fromGallery) {
var headerHeight = $('.fixed-header-box').height();
var _img = $('<img class="' + CLASS_SLIDE_IMAGE + '"/>')
.css({
opacity: 0,
top: headerHeight
})
.appendTo($_container)
.attr("src", src);
resizeImages();
_img.css(
_isFirstTime ? { opacity : 0 } : fromGallery ?
{ top : _img[0].offsetHeight * (_curDirection === DIRECTION_NEXT ? -1 : 1)} :
{ left : _img[0].offsetWidth * (_curDirection === DIRECTION_NEXT ? -1 : 1)}
);
if (_isFirstTime) {
_isFirstTime = false;
$_container.addClass("started");
}
_img.animate({
opacity: 1,
left : 0,
top : headerHeight,
leaveTransforms: true
}, config.animationTime, config.easing, function() {
$("." + CLASS_SLIDE_IMAGE + ".ready", $_container).remove();
$(this).addClass("ready");
resizeImages();
setCaption(slides[_pos].title, slides[_pos].href);
setDescription(slides[_pos].description);
$_container.trigger(EVENT_SLIDE_SHOWN);
var gall = $.isArray(slides[_pos].img[0]);
if (gall) {
if (_inGallery !== _pos) {
_inGallery = _pos;
_galPos = 0;
$_container.trigger(EVENT_ENTER_GALLERY);
}
}
else {
if (_inGallery !== false) {
_inGallery = false;
_galPos = 0;
$_container.trigger(EVENT_LEAVE_GALLERY);
}
}
if (config.autorun) {
_slider.resume(true);
}
});
}
function loadImage(url, fromGallery) {
var img = new Image();
img.onload = img.onerror = function() {
showImage(this.src, fromGallery);
};
img.src = url;
}
function getUIcontrol(type) {
return $(
config["sel_" + type],
typeof config["sel_" + type] === "string" ? $_container : document
);
}
// Public Methods
// =================================================================
this.isRunning = function() {
return !!_waitingTimeout;
};
this.prev = function() {
if (--_pos < 0) {
_pos = slides.length - 1;
if (++_cicles > config.loop) return;
}
_curDirection = DIRECTION_PREV;
goTo(_pos);
};
this.next = function() {
if (++_pos >= slides.length) {
_pos = 0;
if (++_cicles > config.loop) return;
}
_curDirection = DIRECTION_NEXT;
goTo(_pos);
};
this.resume = function(silent) {
abort();
_waitingTimeout = setTimeout(function() {
_slider[_curDirection === DIRECTION_NEXT ? "next":"prev"]();
}, config.pauseTime);
if (!silent) {
$_container.trigger(EVENT_RESUME);
}
};
this.pause = function() {
if (abort()) {
$_container.trigger(EVENT_PAUSE);
}
};
this.toggle = function() {
this[this.isRunning() ? "pause" : "resume"]();
};
this.goToNextGalleryItem = function() {
goToGalleryItem("next");
};
this.goToPrevGalleryItem = function() {
goToGalleryItem("prev");
};
// Initialise
// =================================================================
if ($_container.css("position") === "static") {
$_container.css("position", "relative");
}
if (_isFullScreen) {
$("html, body").css({
width : "100%",
height : "100%",
display: "block",
overflow: "hidden"
});
}
if (UI.prev.length)
UI.prev.attr("title", "Previous").click(_slider.prev);
if (UI.next.length)
UI.next.attr("title", "Next").click(_slider.next);
if (UI.run.length)
UI.run.click(_slider.toggle);
if (UI.gall_next.length) {
$_container
.bind(EVENT_ENTER_GALLERY, function() {
UI.gall_next.fadeIn();
})
.bind(EVENT_LEAVE_GALLERY, function() {
UI.gall_next.fadeOut();
});
UI.gall_next.attr("title", "Next Gallery Item").click(_slider.goToNextGalleryItem);
}
if (UI.gall_prev.length) {
$_container
.bind(EVENT_ENTER_GALLERY, function() {
UI.gall_prev.fadeIn();
})
.bind(EVENT_LEAVE_GALLERY, function() {
UI.gall_prev.fadeOut();
});
UI.gall_prev.attr("title", "Previous Gallery Item").click(_slider.goToPrevGalleryItem);
}
if (UI.description.length) {
var toggle_desc = UI.description.find('.toggle-description');
toggle_desc.click(function(e) {
UI.description.find('> .contents').slideToggle();
var alt = toggle_desc.text();
toggle_desc.text(toggle_desc.attr('data-alternate')).attr('data-alternate', alt);
e.preventDefault();
});
}
if (config.resizeOnEvent) {
$(window).bind(config.resizeOnEvent, resizeImages);
}
else {
if (!isNaN(config.trackResize) && config.trackResize > -1) {
var _lastWidth, _lastHeight, _c = $_container[0];
var tick = function() {
var w = _c.offsetWidth;
var h = _c.offsetHeight;
if (w !== _lastWidth || h !== _lastHeight) {
_lastWidth = w;
_lastHeight = h;
resizeImages();
}
setTimeout(tick, config.trackResize);
};
}
}
goTo(0);
}
$.fn.fastSlider = function(options, slides) {
var cfg = $.extend({
pauseTime : 6000,
animationTime : 1000,
easing : "easeInOutQuart",
direction : DIRECTION_NEXT,
loop : Infinity, // How many times to rewind all slides
sel_caption : ".fast-slider-caption",
sel_description: ".fast-slider-description",
sel_prev : ".fast-slider-prev",
sel_next : ".fast-slider-next",
sel_run : ".fast-slider-run",
sel_gal_next : ".fast-slider-gall-next",
sel_gal_prev : ".fast-slider-gall-prev",
autorun : false,
trackResize : -1,
resizeOnEvent : "resize.fastSlider switchlayout.fastSlider orientationchange.fastSlider"
}, options);
return this.each(function(i, conatainerElem) {
var inst = $(conatainerElem).data("fastSlider");
if (!inst) {
inst = new FastSlider(conatainerElem, slides, cfg);
$(conatainerElem).data("fastSlider", inst);
}
});
};
})(jQuery);