Team:Paris Bettencourt/js/slider

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/* Slidertron 1.1: A flexible slider plugin for jQuery By nodethirtythree design | http://nodethirtythree.com/ | @nodethirtythree Dual licensed under the MIT or GPLv2 license. ////////////////////////////////////////////////////////////////////////// MIT license:

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ////////////////////////////////////////////////////////////////////////// GPLv2 license:

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. //////////////////////////////////////////////////////////////////////////

/

(function(jQuery) {

jQuery.fn.slidertron = function(options) {

var settings = jQuery.extend({ selectorParent: jQuery(this) }, options);

return jQuery.slidertron(settings); }

jQuery.slidertron = function(options) {

// Settings

var settings = jQuery.extend({

selectorParent: null, // If a jQuery object, all selectors will be restricted to its scope. Otherwise, all selectors will be global.

// Selectors

viewerSelector: null, // Viewer selector reelSelector: null, // Reel selector slidesSelector: null, // Slides selector indicatorSelector: null, // Indicator selector navNextSelector: null, // 'Next' selector navPreviousSelector: null, // 'Previous' selector navFirstSelector: null, // 'First' selector navLastSelector: null, // 'Last' selector navStopAdvanceSelector: null, // 'Stop Advance' selector navPlayAdvanceSelector: null, // 'Play Advance' selector captionLineSelector: null, // 'Caption Line' selector slideLinkSelector: null, // 'Slide Link' selector slideCaptionSelector: null, // 'Slide Caption' selector

// General settings

speed: 'fast', // Transition speed (0 for instant, 'slow', 'fast', or a custom duration in ms) fadeInSpeed: 'slow', // Speed at which to fade in the reel on page load (0 for instant, 'slow', 'fast', or a custom duration in ms) navWrap: true, // Wrap navigation when we navigate past the first or last slide seamlessWrap: true, // Seamlessly wrap slides advanceDelay: 0, // Time to wait (in ms) before automatically advancing to the next slide (0 disables advancement entirely) advanceNavActiveClass: 'active', // Class applied to active stop/play navigation control viewerOffset: false, // Viewer offset amount (+ = shift right, - = shift left, 0 = do nothing, false = disable) activeSlideClass: 'active', // Class applied to the active slide disabledNavClass: 'disabled', // Class applied to disabled navigation controls clickToNav: false, // Navigate to a slide when clicked (used in conjunction with viewerOffset) captionLines: 0 // Number of caption lines. If this is > 1, the plugin will look for additional caption elements using the captionSelector setting + a number (eg. '.caption2', '.caption3', etc.)

}, options);

// Variables

// Operational stuff

var isConfigured = true, isLocked = false, isAdvancing = false, isSeamless = false, list = new Array(), currentIndex = false, timeoutID, pFirst, pLast;

// jQuery objects

var __slides, __viewer, __reel, __indicator, __navFirst, __navLast, __navNext, __navPrevious, __navStopAdvance, __navPlayAdvance, __captionLines, __navControls = new Array();

// Functions

function getElement(selector, required) { var x;

try { if (selector == null) throw 'is undefined';

if (settings.selectorParent) x = settings.selectorParent.find(selector); else x = jQuery(selector);

if (x.length == 0) throw 'does not exist';

return x; } catch (error) { if (required == true) { alert('Error: Required selector "' + selector + '" ' + error + '.'); isConfigured = false; } }

return null; }

function advance() { if (settings.advanceDelay == 0) return;

if (!isLocked) nextSlide();

timeoutID = window.setTimeout(advance, settings.advanceDelay); }

function initializeAdvance() { if (settings.advanceDelay == 0) return;

if (__navStopAdvance) __navStopAdvance.addClass(settings.advanceNavActiveClass);

if (__navPlayAdvance) __navPlayAdvance.removeClass(settings.advanceNavActiveClass);

isAdvancing = true; timeoutID = window.setTimeout(advance, settings.advanceDelay); }

function interruptAdvance() { stopAdvance(); }

function stopAdvance() { if (settings.advanceDelay == 0) return;

if (!isAdvancing) return;

if (__navStopAdvance && __navPlayAdvance) { __navStopAdvance.removeClass(settings.advanceNavActiveClass); __navPlayAdvance.addClass(settings.advanceNavActiveClass); }

isAdvancing = false; window.clearTimeout(timeoutID); }

function playAdvance(skip) { if (settings.advanceDelay == 0) return;

if (isAdvancing) return;

isAdvancing = true;

if (__navStopAdvance && __navPlayAdvance) { __navPlayAdvance.removeClass(settings.advanceNavActiveClass); __navStopAdvance.addClass(settings.advanceNavActiveClass); }

if (skip) timeoutID = window.setTimeout(advance, settings.advanceDelay); else advance(); }

function firstSlide() { switchSlide(pFirst); }

function lastSlide() { switchSlide(pLast); }

function nextSlide() { if ((isSeamless && currentIndex <= pLast) || (!isSeamless && currentIndex < pLast)) switchSlide(currentIndex + 1); else if (settings.navWrap || isAdvancing) switchSlide(pFirst); }

function previousSlide() { if ((isSeamless && currentIndex >= pFirst) || (!isSeamless && currentIndex > pFirst)) switchSlide(currentIndex - 1); else if (settings.navWrap) switchSlide(pLast); }

function updateNavControls() { if (settings.disabledNavClass === false || settings.navWrap === true) return;

for (x in __navControls) if (__navControls[x]) __navControls[x].removeClass(settings.disabledNavClass).css('cursor', 'pointer');

var tmp = new Array();

if (currentIndex == pFirst) { tmp.push(__navFirst); tmp.push(__navPrevious); } else if (currentIndex == pLast) { tmp.push(__navLast); tmp.push(__navNext); }

for (x in tmp) if (tmp[x]) tmp[x].addClass('disabled').css('cursor', 'default'); }

function switchSlide(index) { var x;

if (isLocked) return false;

isLocked = true;

if (currentIndex === false) { currentIndex = index; __reel.css('left', -1 * list[currentIndex].x); isLocked = false;

// Indicator if (__indicator) { __indicator.removeClass('active'); jQuery(__indicator.get(currentIndex - pFirst)).addClass('active'); }

// Active slide if (settings.activeSlideClass) list[currentIndex].object .addClass(settings.activeSlideClass)

// Link if (settings.clickToNav && !list[currentIndex].link) list[currentIndex].object .css('cursor', 'default');

// Captions if (__captionLines) { if (list[currentIndex].captions) for (x in __captionLines) __captionLines[x].html(list[currentIndex].captions[x]); else for (x in __captionLines) __captionLines[x].html(); }

// Nav controls updateNavControls(); } else { var diff, currentX, newX, realIndex;

if (settings.activeSlideClass) list[currentIndex].object .removeClass(settings.activeSlideClass);

if (settings.clickToNav) list[currentIndex].object .css('cursor', 'pointer');

currentX = list[currentIndex].x; newX = list[index].x; diff = currentX - newX;

// Get real index if (list[index].realIndex !== false) realIndex = list[index].realIndex; else realIndex = index;

// Indicator if (__indicator) { __indicator.removeClass('active'); jQuery(__indicator.get(realIndex - pFirst)).addClass('active'); }

// Captions if (__captionLines) { if (list[realIndex].captions) for (x in __captionLines) __captionLines[x].html(list[realIndex].captions[x]); else for (x in __captionLines) __captionLines[x].html(); }

__reel.animate({ left: '+=' + diff }, settings.speed, 'swing', function() { currentIndex = index;

// Get real index and adjust reel position if (list[currentIndex].realIndex !== false) { currentIndex = list[currentIndex].realIndex; __reel.css('left', -1 * list[currentIndex].x); }

// Active slide if (settings.activeSlideClass) list[currentIndex].object .addClass(settings.activeSlideClass);

// Link if (settings.clickToNav && !list[currentIndex].link) list[currentIndex].object .css('cursor', 'default');

// Nav controls updateNavControls();

isLocked = false; }); } }

function initialize() { var tmp, a, s;

// Slides, viewer, reel, indicator __viewer = getElement(settings.viewerSelector, true); __reel = getElement(settings.reelSelector, true); __slides = getElement(settings.slidesSelector, true); __indicator = getElement(settings.indicatorSelector, false);

// Caption lines a = new Array();

for (i = 1; i <= settings.captionLines; i++) { s = settings.captionLineSelector;

if (settings.captionLines > 1) s = s + i;

tmp = getElement(s, false);

if (tmp == null) { a = null; break; }

a.push(tmp); }

__captionLines = a;

// Navigation __navFirst = getElement(settings.navFirstSelector); __navLast = getElement(settings.navLastSelector); __navNext = getElement(settings.navNextSelector); __navPrevious = getElement(settings.navPreviousSelector); __navStopAdvance = getElement(settings.navStopAdvanceSelector); __navPlayAdvance = getElement(settings.navPlayAdvanceSelector);

if (__navFirst) __navControls.push(__navFirst); if (__navLast) __navControls.push(__navLast); if (__navNext) __navControls.push(__navNext); if (__navPrevious) __navControls.push(__navPrevious);

// Check configuration status

// ClickToNav only works when viewerOffset != false if (settings.viewerOffset == false && settings.clickToNav) { alert('Error: clickToNav only works when viewerOffset is in use.'); return false; }

// When using the indicator, it must have as many items as there are slides if (__indicator) { if (__indicator.length != __slides.length) { alert('Error: Indicator needs to have as many items as there are slides.'); return false; } }

// Final check if (isConfigured == false) { alert('Error: One or more configuration errors detected. Aborting.'); return false; }

if (settings.viewerOffset == false) settings.viewerOffset = 0;

// Set up

// Viewer __viewer.css('position', 'relative'); __viewer.css('overflow', 'hidden');

// Reel __reel.css('position', 'absolute'); __reel.css('left', 0); __reel.css('top', 0); __reel.hide();

// Slides var cx = 0, length = __slides.length;

if (settings.seamlessWrap) { isSeamless = true;

var L1 = __slides.eq(0); var L2 = __slides.eq(Math.min(length - 1, 1)); var R2 = __slides.eq(Math.max(length - 2, 0)); var R1 = __slides.eq(Math.max(length - 1, 0));

var realFirst = L1; var realLast = R1;

R2.clone().insertBefore(realFirst); R1.clone().insertBefore(realFirst); L2.clone().insertAfter(realLast); L1.clone().insertAfter(realLast);

__slides = getElement(settings.slidesSelector, true);

pFirst = 2; pLast = __slides.length - 3; } else { pFirst = 0; pLast = length - 1; }

__slides.each(function(index) {

var y = jQuery(this), link = false, captions = new Array(); var l, i, tmp, s;

// click to nav? if (settings.clickToNav) { y .css('cursor', 'pointer') .click(function(e) { if (currentIndex != index) { e.stopPropagation();

if (isAdvancing) interruptAdvance();

switchSlide(index); } }); }

// Link? var l = y.find(settings.slideLinkSelector);

if (l.length > 0) { link = l.attr('href'); l.remove(); y .css('cursor', 'pointer') .click(function(e) { if (currentIndex == index) window.location = link; }); }

// Caption(s)?

for (i = 1; i <= settings.captionLines; i++) { s = settings.slideCaptionSelector;

if (settings.captionLines > 1) s = s + i;

tmp = y.find(s);

if (tmp.length > 0) { captions.push(tmp.html()); tmp.remove(); } }

if (captions.length != settings.captionLines) captions = false;

list[index] = { object: y, x: cx - settings.viewerOffset, realIndex: false, link: link, captions: captions };

y.css('position', 'absolute'); y.css('left', cx); y.css('top', 0);

cx += y.width(); });

if (isSeamless) { list[pFirst - 1].realIndex = pLast; list[pLast + 1].realIndex = pFirst; }

// Indicator if (__indicator) { __indicator.each(function() { var t = jQuery(this);

t .css('cursor', 'pointer') .click(function(event) { event.preventDefault();

if (isLocked) return false;

if (isAdvancing) interruptAdvance();

switchSlide(t.index() + pFirst); }); }); }

// Navigation if (__navFirst) __navFirst.click(function(event) { event.preventDefault();

if (isLocked) return false;

if (isAdvancing) interruptAdvance();

firstSlide(); });

if (__navLast) __navLast.click(function(event) { event.preventDefault();

if (isLocked) return false;

if (isAdvancing) interruptAdvance();

lastSlide(); });

if (__navNext) __navNext.click(function(event) { event.preventDefault();

if (isLocked) return false;

if (isAdvancing) interruptAdvance();

nextSlide(); });

if (__navPrevious) __navPrevious.click(function(event) { event.preventDefault();

if (isLocked) return false;

if (isAdvancing) interruptAdvance();

previousSlide(); });

if (__navStopAdvance) __navStopAdvance.click(function(event) { event.preventDefault();

if (isLocked) return false;

if (!isAdvancing) return false;

stopAdvance(); });

if (__navPlayAdvance) __navPlayAdvance.click(function(event) { event.preventDefault();

if (isLocked) return false;

if (isAdvancing) return false;

playAdvance(); });

__reel.fadeIn(settings.fadeInSpeed);

return true; }

// Bind events var o = (settings.selectorParent ? settings.selectorParent : settings.viewerSelector);

if (o) o .bind('previousSlide', function() { if (isAdvancing) interruptAdvance(); previousSlide(); }) .bind('nextSlide', function() { if (isAdvancing) interruptAdvance(); nextSlide(); }) .bind('firstSlide', function() { if (isAdvancing) interruptAdvance(); firstSlide(); }) .bind('lastSlide', function() { if (isAdvancing) interruptAdvance(); lastSlide(); });

// Ready jQuery().ready(function() { if (initialize()) { initializeAdvance(); firstSlide(); } }); };

})(jQuery);