/*
* Easy Slider 1.7 - jQuery plugin
* written by Alen Grakalic
* http://cssglobe.com/post/4004/easy-slider-15-the-easiest-jquery-plugin-for-sliding
*
* Copyright (c) 2009 Alen Grakalic (http://cssglobe.com)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* Built for jQuery library
* http://jquery.com
*
*/
/*
* markup example for $("#slider").easySlider();
*
* <div id="slider">
* <ul>
* <li><img src="images/01.jpg" alt="" /></li>
* <li><img src="images/02.jpg" alt="" /></li>
* <li><img src="images/03.jpg" alt="" /></li>
* <li><img src="images/04.jpg" alt="" /></li>
* <li><img src="images/05.jpg" alt="" /></li>
* </ul>
* </div>
*
*/
(function($) {
$.fn.easySlider = function(options) {
// default configuration properties
var defaults = {
prevId: 'prevBtn',
prevText: 'Previous',
nextId: 'nextBtn',
nextText: 'Next',
controlsShow: true,
controlsBefore: '',
controlsAfter: '',
controlsFade: true,
firstId: 'firstBtn',
firstText: 'First',
firstShow: false,
lastId: 'lastBtn',
lastText: 'Last',
lastShow: false,
vertical: false,
speed: 500,
auto: false,
pause: 3000,
continuous: false,
numeric: false,
numericId: 'controls'
};
var options = $.extend(defaults, options);
this.each(function() {
var obj = $(this);
var s = $("li", obj).length;
var w = $("li", obj).width();
var h = $("li", obj).height();
var clickable = true;
obj.width(w);
obj.height(h);
obj.css("overflow", "hidden");
var ts = s - 1;
var t = 0;
$("ul", obj).css('width', s * w);
if (options.continuous) {
$("ul", obj).prepend($("ul li:last-child", obj).clone().css("margin-left", "-" + w + "px"));
$("ul", obj).append($("ul li:nth-child(2)", obj).clone());
$("ul", obj).css('width', (s + 1) * w);
};
if (!options.vertical) $("li", obj).css('float', 'left');
if (options.controlsShow) {
var html = options.controlsBefore;
if (options.numeric) {
html += '<ol id="' + options.numericId + '"></ol>';
}
else {
if (options.firstShow) html += '<span id="' + options.firstId + '"><a href=\"javascript:void(0);\">' + options.firstText + '</a></span>';
html += ' <span id="' + options.prevId + '"><a href=\"javascript:void(0);\">' + options.prevText + '</a></span>';
html += ' <span id="' + options.nextId + '"><a href=\"javascript:void(0);\">' + options.nextText + '</a></span>';
if (options.lastShow) html += ' <span id="' + options.lastId + '"><a href=\"javascript:void(0);\">' + options.lastText + '</a></span>';
};
html += options.controlsAfter;
$(obj).after(html);
};
if (options.numeric) {
for (var i = 0; i < s; i++) {
$(document.createElement("li")).attr('id', options.numericId + (i + 1)).html('<a rel=' + i + ' href=\"javascript:void(0);\">' + (i + 1) + '</a>').appendTo($("#" + options.numericId)).click(function() {
animate($("a", $(this)).attr('rel'), true);
});
};
}
else {
$("a", "#" + options.nextId).click(function() {
animate("next", true);
});
$("a", "#" + options.prevId).click(function() {
animate("prev", true);
});
$("a", "#" + options.firstId).click(function() {
animate("first", true);
});
$("a", "#" + options.lastId).click(function() {
animate("last", true);
});
};
function setCurrent(i) {
i = parseInt(i) + 1;
$("li", "#" + options.numericId).removeClass("current");
$("li#" + options.numericId + i).addClass("current");
};
function adjust() {
if (t > ts) t = 0;
if (t < 0) t = ts;
if (!options.vertical) {
$("ul", obj).css("margin-left", (t * w * -1));
}
else {
$("ul", obj).css("margin-left", (t * h * -1));
}
clickable = true;
if (options.numeric) setCurrent(t);
};
function animate(dir, clicked) {
if (clickable) {
clickable = false;
var ot = t;
switch (dir) {
case "next":
t = (ot >= ts) ? (options.continuous ? t + 1 : ts) : t + 1;
break;
case "prev":
t = (t <= 0) ? (options.continuous ? t - 1 : 0) : t - 1;
break;
case "first":
t = 0;
break;
case "last":
t = ts;
break;
default:
t = dir;
break;
};
var diff = Math.abs(ot - t);
var speed = diff * options.speed;
if (!options.vertical) {
p = (t * w * -1);
$("ul", obj).animate({
marginLeft: p
}, {
queue: false,
duration: speed,
complete: adjust
});
}
else {
p = (t * h * -1);
$("ul", obj).animate({
marginTop: p
}, {
queue: false,
duration: speed,
complete: adjust
});
};
if (!options.continuous && options.controlsFade) {
if (t == ts) {
$("a", "#" + options.nextId).hide();
$("a", "#" + options.lastId).hide();
}
else {
$("a", "#" + options.nextId).show();
$("a", "#" + options.lastId).show();
};
if (t == 0) {
$("a", "#" + options.prevId).hide();
$("a", "#" + options.firstId).hide();
}
else {
$("a", "#" + options.prevId).show();
$("a", "#" + options.firstId).show();
};
};
if (clicked) clearTimeout(timeout);
if (options.auto && dir == "next" && !clicked) {;
timeout = setTimeout(function() {
animate("next", false);
}, diff * options.speed + options.pause);
};
};
};
// init
var timeout;
if (options.auto) {;
timeout = setTimeout(function() {
animate("next", false);
}, options.pause);
};
if (options.numeric) setCurrent(0);
if (!options.continuous && options.controlsFade) {
$("a", "#" + options.prevId).hide();
$("a", "#" + options.firstId).hide();
};
});
};
})(jQuery);