File: assets/js/script.easing.js

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File: assets/js/script.easing.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: XOOPS Publisher Module
Publish static HTML content and article with XOOPS
Author: By
Last change:
Date: 1 year ago
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// JavaScript Document
/*! Copyright (c) 2009 Brandon Aaron (http://brandonaaron.net)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
 * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
 *
 * Version: 3.0.2
 *
 * Requires: 1.2.2+
 */

(function ($) {

    var types = ['DOMMouseScroll', 'mousewheel'];

    $.event.special.mousewheel = {
        setup: function () {
            if (this.addEventListener)
                for (var i = types.length; i;)
                    this.addEventListener(types[--i], handler, false);
            else
                this.onmousewheel = handler;
        },

        teardown: function () {
            if (this.removeEventListener)
                for (var i = types.length; i;)
                    this.removeEventListener(types[--i], handler, false);
            else
                this.onmousewheel = null;
        }
    };

    $.fn.extend({
        mousewheel: function (fn) {
            return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
        },

        unmousewheel: function (fn) {
            return this.unbind("mousewheel", fn);
        }
    });


    function handler(event) {
        var args = [].slice.call(arguments, 1), delta = 0, returnValue = true;

        event = $.event.fix(event || window.event);
        event.type = "mousewheel";

        if (event.wheelDelta) delta = event.wheelDelta / 120;
        if (event.detail) delta = -event.detail / 3;

        // Add events and delta to the front of the arguments
        args.unshift(event, delta);

        return $.event.handle.apply(this, args);
    }

})(jQuery);

/**
 * @package        jquery
 * @subpackage    lofslidernews
 * @copyright    Copyright (C) JAN 2010 LandOfCoder.com <@emai:landofcoder@gmail.com>. All rights reserved.
 * @website     http://landofcoder.com
 * @license        This plugin is dual-licensed under the GNU General Public License and the MIT License
 */
// JavaScript Document
(function ($) {
    $.fn.lofJSidernews = function (settings) {
        return this.each(function () {
            // get instance of the lofSiderNew.
            new $.lofSidernews(this, settings);
        });
    };
    $.lofSidernews = function (obj, settings) {
        this.settings = {
            direction: '',
            mainItemSelector: 'li',
            navInnerSelector: 'ul',
            navSelector: 'li',
            navigatorEvent: 'click',
            wapperSelector: '.lof-main-wapper',
            interval: 4000,
            auto: true, // whether to automatic play the slideshow
            maxItemDisplay: 3,
            startItem: 0,
            navPosition: 'vertical',
            navigatorHeight: 100,
            navigatorWidth: 210,
            duration: 600,
            navItemsSelector: '.lof-navigator li',
            navOuterSelector: '.lof-navigator-outer',
            isPreloaded: true,
            easing: 'easeInOutQuad'
        };
        $.extend(this.settings, settings || {});
        this.nextNo = null;
        this.previousNo = null;
        this.maxWidth = this.settings.mainWidth || 600;
        this.wrapper = $(obj).find(this.settings.wapperSelector);
        this.slides = this.wrapper.find(this.settings.mainItemSelector);
        if (!this.wrapper.length || !this.slides.length) return;
        // set width of wapper
        if (this.settings.maxItemDisplay > this.slides.length) {
            this.settings.maxItemDisplay = this.slides.length;
        }
        this.currentNo = isNaN(this.settings.startItem) || this.settings.startItem > this.slides.length ? 0 : this.settings.startItem;
        this.navigatorOuter = $(obj).find(this.settings.navOuterSelector);
        this.navigatorItems = $(obj).find(this.settings.navItemsSelector);
        this.navigatorInner = this.navigatorOuter.find(this.settings.navInnerSelector);

        if (this.settings.navPosition == 'horizontal') {
            this.navigatorInner.width(this.slides.length * this.settings.navigatorWidth);
            this.navigatorOuter.width(this.settings.maxItemDisplay * this.settings.navigatorWidth);
            this.navigatorOuter.height(this.settings.navigatorHeight);

        } else {
            this.navigatorInner.height(this.slides.length * this.settings.navigatorHeight);

            this.navigatorOuter.height(this.settings.maxItemDisplay * this.settings.navigatorHeight);
            this.navigatorOuter.width(this.settings.navigatorWidth);
        }
        this.navigratorStep = this.__getPositionMode(this.settings.navPosition);
        this.directionMode = this.__getDirectionMode();


        if (this.settings.direction == 'opacity') {
            this.wrapper.addClass('lof-opacity');
            $(this.slides).css('opacity', 0).eq(this.currentNo).css('opacity', 1);
        } else {
            this.wrapper.css({'left': '-' + this.currentNo * this.maxSize + 'px', 'width': ( this.maxWidth ) * this.slides.length});
        }


        if (this.settings.isPreloaded) {
            this.preLoadImage(this.onComplete);
        } else {
            this.onComplete();
        }

    };
    $.lofSidernews.fn = $.lofSidernews.prototype;
    $.lofSidernews.fn.extend = $.lofSidernews.extend = $.extend;

    $.lofSidernews.fn.extend({

        startUp: function (obj, wrapper) {
            seft = this;

            this.navigatorItems.each(function (index, item) {
                $(item).click(function () {
                    seft.jumping(index, true);
                    seft.setNavActive(index, item);
                });
                $(item).css({'height': seft.settings.navigatorHeight, 'width': seft.settings.navigatorWidth});
            });
            this.registerWheelHandler(this.navigatorOuter, this);
            this.setNavActive(this.currentNo);

            if (this.settings.buttons && typeof (this.settings.buttons) == "object") {
                this.registerButtonsControl('click', this.settings.buttons, this);

            }
            if (this.settings.auto)
                this.play(this.settings.interval, 'next', true);

            return this;
        },
        onComplete: function () {
            setTimeout(function () {
                $('.preload').fadeOut(900);
            }, 400);
            this.startUp();
        },
        preLoadImage: function (callback) {
            var self = this;
            var images = this.wrapper.find('img');

            var count = 0;
            images.each(function (index, image) {
                if (!image.complete) {
                    image.onload = function () {
                        count++;
                        if (count >= images.length) {
                            self.onComplete();
                        }
                    };
                    image.onerror = function () {
                        count++;
                        if (count >= images.length) {
                            self.onComplete();
                        }
                    }
                } else {
                    count++;
                    if (count >= images.length) {
                        self.onComplete();
                    }
                }
            });
        },
        navivationAnimate: function (currentIndex) {
            if (currentIndex <= this.settings.startItem
                || currentIndex - this.settings.startItem >= this.settings.maxItemDisplay - 1) {
                this.settings.startItem = currentIndex - this.settings.maxItemDisplay + 2;
                if (this.settings.startItem < 0) this.settings.startItem = 0;
                if (this.settings.startItem > this.slides.length - this.settings.maxItemDisplay) {
                    this.settings.startItem = this.slides.length - this.settings.maxItemDisplay;
                }
            }
            this.navigatorInner.stop().animate(eval('({' + this.navigratorStep[0] + ':-' + this.settings.startItem * this.navigratorStep[1] + '})'),
                {duration: 500, easing: 'easeInOutQuad'});
        },
        setNavActive: function (index, item) {
            if ((this.navigatorItems)) {
                this.navigatorItems.removeClass('active');
                $(this.navigatorItems.get(index)).addClass('active');
                this.navivationAnimate(this.currentNo);
            }
        },
        __getPositionMode: function (position) {
            if (position == 'horizontal') {
                return ['left', this.settings.navigatorWidth];
            }
            return ['top', this.settings.navigatorHeight];
        },
        __getDirectionMode: function () {
            switch (this.settings.direction) {
                case 'opacity':
                    this.maxSize = 0;
                    return ['opacity', 'opacity'];
                default:
                    this.maxSize = this.maxWidth;
                    return ['left', 'width'];
            }
        },
        registerWheelHandler: function (element, obj) {
            element.bind('mousewheel', function (event, delta) {
                var dir = delta > 0 ? 'Up' : 'Down',
                    vel = Math.abs(delta);
                if (delta > 0) {
                    obj.previous(true);
                } else {
                    obj.next(true);
                }
                return false;
            });
        },
        registerButtonsControl: function (eventHandler, objects, self) {
            for (var action in objects) {
                switch (action.toString()) {
                    case 'next':
                        objects[action].click(function () {
                            self.next(true)
                        });
                        break;
                    case 'previous':
                        objects[action].click(function () {
                            self.previous(true)
                        });
                        break;
                }
            }
            return this;
        },
        onProcessing: function (manual, start, end) {
            this.previousNo = this.currentNo + (this.currentNo > 0 ? -1 : this.slides.length - 1);
            this.nextNo = this.currentNo + (this.currentNo < this.slides.length - 1 ? 1 : 1 - this.slides.length);
            return this;
        },
        finishFx: function (manual) {
            if (manual) this.stop();
            if (manual && this.settings.auto) {
                this.play(this.settings.interval, 'next', true);
            }
            this.setNavActive(this.currentNo);
        },
        getObjectDirection: function (start, end) {
            return eval("({'" + this.directionMode[0] + "':-" + (this.currentNo * start) + "})");
        },
        fxStart: function (index, obj, currentObj) {
            if (this.settings.direction == 'opacity') {
                $(this.slides).stop().animate({opacity: 0}, {duration: this.settings.duration, easing: this.settings.easing});
                $(this.slides).eq(index).stop().animate({opacity: 1}, {duration: this.settings.duration, easing: this.settings.easing});
            } else {
                this.wrapper.stop().animate(obj, {duration: this.settings.duration, easing: this.settings.easing});
            }
            return this;
        },
        jumping: function (no, manual) {
            this.stop();
            if (this.currentNo == no) return;
            var obj = eval("({'" + this.directionMode[0] + "':-" + (this.maxSize * no) + "})");
            this.onProcessing(null, manual, 0, this.maxSize)
                .fxStart(no, obj, this)
                .finishFx(manual);
            this.currentNo = no;
        },
        next: function (manual, item) {

            this.currentNo += (this.currentNo < this.slides.length - 1) ? 1 : (1 - this.slides.length);
            this.onProcessing(item, manual, 0, this.maxSize)
                .fxStart(this.currentNo, this.getObjectDirection(this.maxSize), this)
                .finishFx(manual);
        },
        previous: function (manual, item) {
            this.currentNo += this.currentNo > 0 ? -1 : this.slides.length - 1;
            this.onProcessing(item, manual)
                .fxStart(this.currentNo, this.getObjectDirection(this.maxSize), this)
                .finishFx(manual);
        },
        play: function (delay, direction, wait) {
            this.stop();
            if (!wait) {
                this[direction](false);
            }
            var self = this;
            this.isRun = setTimeout(function () {
                self[direction](true);
            }, delay);
        },
        stop: function () {
            if (this.isRun === null) return;
            clearTimeout(this.isRun);
            this.isRun = null;
        }
    })
})(jQuery);


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