/*
* Slides, A Slideshow Plugin for jQuery
* Intructions: http://slidesjs.com
* By: Nathan Searles, http://nathansearles.com
* Version: 1.0.4
* Updated: December 20th, 2010
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function ($) {
$.fn.slides = function (option) {
option = $.extend({}, $.fn.slides.option, option);
return this.each(function () {
$('.' + option.container, $(this)).children().wrapAll('');
var elem = $(this),
control = $('.slides_control', elem),
total = control.children().size(),
width = control.children().outerWidth(),
height = control.children().outerHeight(),
start = option.start - 1,
effect = option.effect.indexOf(',') < 0 ? option.effect : option.effect.replace(' ', '').split(',')[0],
paginationEffect = option.effect.indexOf(',') < 0 ? effect : option.effect.replace(' ', '').split(',')[1],
next = 0,
prev = 0,
number = 0,
current = 0,
loaded, active, clicked, position, direction;
if (total < 2) {
return;
}
if (start < 0) {
start = 0;
};
if (start > total) {
start = total - 1;
};
if (option.start) {
current = start;
};
if (option.randomize) {
control.randomize();
}
$('.' + option.container, elem).css({
overflow: 'hidden',
position: 'relative'
});
control.css({
position: 'relative',
width: (width * 3),
height: height,
left: -width
});
control.children().css({
position: 'absolute',
top: 0,
left: width,
zIndex: 0,
display: 'none'
});
if (option.autoHeight) {
control.animate({
height: control.children(':eq(' + start + ')').outerHeight()
}, option.autoHeightSpeed);
}
if (option.preload && control.children()[0].tagName == 'IMG') {
elem.css({
background: 'url(' + option.preloadImage + ') no-repeat 50% 50%'
});
var img = $('img:eq(' + start + ')', elem).attr('src') + '?' + (new Date()).getTime();
$('img:eq(' + start + ')', elem).attr('src', img).load(function () {
$(this).fadeIn(option.fadeSpeed, function () {
$(this).css({
zIndex: 5
});
elem.css({
background: ''
});
loaded = true;
});
});
} else {
control.children(':eq(' + start + ')').fadeIn(option.fadeSpeed, function () {
loaded = true;
});
}
if (option.bigTarget) {
control.children().css({
cursor: 'pointer'
});
control.children().click(function () {
animate('next', effect);
return false;
});
}
if (option.hoverPause && option.play) {
control.children().bind('mouseover', function () {
stop();
});
control.children().bind('mouseleave', function () {
pause();
});
}
if (option.generateNextPrev) {
$('#icon_prev').after('Prev');
$('#icon_next').after('Next');
}
$('.next').click(function (e) {
e.preventDefault();
if (option.play) {
pause();
};
animate('next', effect);
});
$('.prev').click(function (e) {
e.preventDefault();
if (option.play) {
pause();
};
animate('prev', effect);
});
if (option.generatePagination) {
elem.append('');
control.children().each(function () {
$('.' + option.paginationClass, elem).append('' + (number + 1) + '');
number++;
});
} else {
$('.' + option.paginationClass + ' li a', elem).each(function () {
$(this).attr('rel', number);
number++;
});
}
$('.' + option.paginationClass + ' li a:eq(' + start + ')', elem).parent().addClass('current');
$('.' + option.paginationClass + ' li a', elem).click(function () {
if (option.play) {
pause();
};
clicked = $(this).attr('rel');
if (current != clicked) {
animate('pagination', paginationEffect, clicked);
}
return false;
});
if (option.play) {
playInterval = setInterval(function () {
animate('next', effect);
}, option.play);
elem.data('interval', playInterval);
};
function stop() {
clearInterval(elem.data('interval'));
};
function pause() {
if (option.pause) {
clearTimeout(elem.data('pause'));
clearInterval(elem.data('interval'));
pauseTimeout = setTimeout(function () {
clearTimeout(elem.data('pause'));
playInterval = setInterval(function () {
animate("next", effect);
}, option.play);
elem.data('interval', playInterval);
}, option.pause);
elem.data('pause', pauseTimeout);
} else {
stop();
}
};
function animate(direction, effect, clicked) {
if (!active && loaded) {
active = true;
switch (direction) {
case 'next':
prev = current;
next = current + 1;
next = total === next ? 0 : next;
position = width * 2;
direction = -width * 2;
current = next;
break;
case 'prev':
prev = current;
next = current - 1;
next = next === -1 ? total - 1 : next;
position = 0;
direction = 0;
current = next;
break;
case 'pagination':
next = parseInt(clicked, 10);
prev = $('.' + option.paginationClass + ' li.current a', elem).attr('rel');
if (next > prev) {
position = width * 2;
direction = -width * 2;
} else {
position = 0;
direction = 0;
}
current = next;
break;
}
if (effect === 'fade') {
option.animationStart();
if (option.crossfade) {
control.children(':eq(' + next + ')', elem).css({
zIndex: 10
}).fadeIn(option.fadeSpeed, function () {
control.children(':eq(' + prev + ')', elem).css({
display: 'none',
zIndex: 0
});
$(this).css({
zIndex: 0
});
option.animationComplete();
active = false;
});
} else {
option.animationStart();
control.children(':eq(' + prev + ')', elem).fadeOut(option.fadeSpeed, function () {
if (option.autoHeight) {
control.animate({
height: control.children(':eq(' + next + ')', elem).outerHeight()
}, option.autoHeightSpeed, function () {
control.children(':eq(' + next + ')', elem).fadeIn(option.fadeSpeed);
});
} else {
control.children(':eq(' + next + ')', elem).fadeIn(option.fadeSpeed, function () {
if ($.browser.msie) {
$(this).get(0).style.removeAttribute('filter');
}
});
}
option.animationComplete();
active = false;
});
}
} else {
control.children(':eq(' + next + ')').css({
left: position,
display: 'block'
});
if (option.autoHeight) {
option.animationStart();
control.animate({
left: direction,
height: control.children(':eq(' + next + ')').outerHeight()
}, option.slideSpeed, function () {
control.css({
left: -width
});
control.children(':eq(' + next + ')').css({
left: width,
zIndex: 5
});
control.children(':eq(' + prev + ')').css({
left: width,
display: 'none',
zIndex: 0
});
option.animationComplete();
active = false;
});
} else {
option.animationStart();
control.animate({
left: direction
}, option.slideSpeed, function () {
control.css({
left: -width
});
control.children(':eq(' + next + ')').css({
left: width,
zIndex: 5
});
control.children(':eq(' + prev + ')').css({
left: width,
display: 'none',
zIndex: 0
});
option.animationComplete();
active = false;
});
}
}
if (option.pagination) {
$('.' + option.paginationClass + ' li.current', elem).removeClass('current');
$('.' + option.paginationClass + ' li a:eq(' + next + ')', elem).parent().addClass('current');
}
}
};
});
};
$.fn.slides.option = {
preload: true,
container: 'slides_container',
generateNextPrev: false,
next: 'next',
prev: 'prev',
pagination: false,
generatePagination: false,
fadeSpeed: 350,
slideSpeed: 800,
start: 0,
effect: 'slide',
crossfade: true,
randomize: false,
play: 10000,
pause: 10000,
hoverPause: false,
autoHeight: false,
autoHeightSpeed: 350,
bigTarget: false,
animationStart: function () {},
animationComplete: function () {}
};
$.fn.randomize = function (callback) {
function randomizeOrder() {
return (Math.round(Math.random()) - 0.5);
}
return ($(this).each(function () {
var $this = $(this);
var $children = $this.children();
var childCount = $children.length;
if (childCount > 1) {
$children.hide();
var indices = [];
for (i = 0; i < childCount; i++) {
indices[indices.length] = i;
}
indices = indices.sort(randomizeOrder);
$.each(indices, function (j, k) {
var $child = $children.eq(k);
var $clone = $child.clone(true);
$clone.show().appendTo($this);
if (callback !== undefined) {
callback($child, $clone);
}
$child.remove();
});
}
}));
};
})(jQuery);