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page-slider

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A little library to add CSS transitions between pages in a mobile web app.

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!function(t,i){"function"==typeof define&&define.amd?define(["jquery"],i):"object"==typeof exports?module.exports=i(require("jquery")):t.PageSlider=i(t.jQuery)}(this,function(t){"use strict";var i=function(t){this.$container=t,t.css({height:"100%",width:"100%",overflow:"hidden"})};return i.prototype={constructor:i,$container:null,transitionsEnabled:!0,transitionDurationMs:300,stateHistory:[],$currentPage:null,_setPagePosition:function(t,i){var n="0px";switch(i){case"left":n="-100%";break;case"right":n="100%"}var e="translate3d("+n+", 0px , 0px)";t.css({webkitTransform:e,transform:e})},_jQueryArrayToCollection:function(i){if(i instanceof t)return i;var n=t();return i.forEach(function(t){n=n.add(t)}),n},_enableTransitionOnPages:function(t){t=this._jQueryArrayToCollection(t),t.css({webkitTransitionDuration:this.transitionDurationMs+"ms",transitionDuration:this.transitionDurationMs+"ms"})},_disableTransitionOnPages:function(t){t=this._jQueryArrayToCollection(t),t.css({webkitTransform:"none",transform:"none",webkitTransitionDuration:"0s",transitionDuration:"0s"})},setTransitionDurationMs:function(t){this.transitionDurationMs=t},disableTransitions:function(){this.transitionsEnabled=!1},enableTransitions:function(){this.transitionsEnabled=!0},getSlideOriginForLocation:function(t){var i=this.stateHistory.length;return 0===i||t===this.stateHistory[i-1]?null:t===this.stateHistory[i-2]?"left":"right"},getNextSlideOrigin:function(){return this.getSlideOriginForLocation(location.hash)},slidePage:function(t,i){var n=location.hash,e=this.getNextSlideOrigin();switch(e){case"left":this.stateHistory.pop(),this.slidePageFrom(t,"left",i);break;case"right":this.stateHistory.push(n),this.slidePageFrom(t,"right",i);break;default:this.stateHistory.push(n),this.slidePageFrom(t,null,i)}},slidePageFrom:function(i,n,e){var s=this;e=e||{},e.beforeTransition=e.beforeTransition||t.noop,e.afterTransition=e.afterTransition||t.noop;var r=this.$currentPage,o=!r;if(i.addClass("page"),this.$container.append(i),e.beforeTransition(),o||!n||!this.transitionsEnabled)return this._disableTransitionOnPages(i),r&&r.remove(),this.$currentPage=i,void e.afterTransition(o);this._setPagePosition(i,n);var a=setTimeout(function(){u()},this.transitionDurationMs+100);this.$currentPage.one("transitionend webkitTransitionEnd",function(){u()}),this._enableTransitionOnPages([i,r]),this.$container[0].offsetWidth,this._setPagePosition(i,"center"),this._setPagePosition(r,"left"===n?"right":"left"),this.$currentPage=i;var u=function(){s._disableTransitionOnPages(s.$currentPage),s.$container.find("> .page:not(:last)").remove(),clearTimeout(a),e.afterTransition(!1)}}},i}); 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Register as an anonymous module.\n         define(['jquery'], factory);\n     } else if (typeof exports === 'object') {\n         // Node.\n         module.exports = factory(require('jquery'));\n     } else {\n         // Browser globals (root is window)\n         root.PageSlider = factory(root.jQuery);\n     }\n }(this, function ($) {\n    'use strict';\n\n    var PageSlider = function ($container) {\n\n        this.$container = $container;\n\n        // The container need specific style\n        $container.css({\n            height: '100%',\n            width: '100%',\n            overflow: 'hidden',\n        });\n    };\n\n    PageSlider.prototype = {\n\n        constructor: PageSlider,\n\n        $container: null,\n        transitionsEnabled: true,\n        transitionDurationMs: 300,\n        stateHistory: [],\n        $currentPage: null,\n\n        /**\n         * Set a page position via translate3d\n         * @param {jquery} $page Page that we want to Position\n         * @param {String} newLocation New position ('left', 'right' or null (default))\n         */\n        _setPagePosition: function ($page, newLocation) {\n\n            var newPosition = '0px';\n\n            switch (newLocation) {\n                case 'left':\n                    newPosition = '-100%';\n                    break;\n                case 'right':\n                    newPosition = '100%';\n                    break;\n            }\n\n            var transform = 'translate3d(' + newPosition + ', 0px , 0px)';\n\n            $page.css({\n                'webkitTransform': transform,\n                'transform': transform,\n            });\n        },\n\n        _jQueryArrayToCollection: function (jqueryArray) {\n\n            if (jqueryArray instanceof $) {\n                return jqueryArray;\n            }\n\n            var $collection = $();\n\n            jqueryArray.forEach(function ($el) {\n                $collection = $collection.add($el);\n            });\n\n            return $collection;\n        },\n\n        /**\n         * Enable css transition on the given page.\n         */\n        _enableTransitionOnPages: function ($pages) {\n\n            $pages = this._jQueryArrayToCollection($pages);\n\n            $pages.css({\n                'webkitTransitionDuration': this.transitionDurationMs + 'ms',\n                'transitionDuration': this.transitionDurationMs + 'ms',\n            });\n        },\n\n        /**\n         * Disable css transition on the given page.\n         */\n        _disableTransitionOnPages: function ($pages) {\n\n            $pages = this._jQueryArrayToCollection($pages);\n\n            $pages.css({\n                'webkitTransform': 'none',\n                'transform': 'none',\n                'webkitTransitionDuration': '0s',\n                'transitionDuration': '0s',\n            });\n        },\n\n        /**\n         * Set transition duration in milliseconds\n         */\n        setTransitionDurationMs: function (durationMs) {\n            this.transitionDurationMs = durationMs;\n        },\n\n        /**\n         * Disable css transition on page\n         */\n        disableTransitions: function () {\n            this.transitionsEnabled = false;\n        },\n\n        /**\n         * Enable css transition on page\n         */\n        enableTransitions: function () {\n            this.transitionsEnabled = true;\n        },\n\n        getSlideOriginForLocation: function (hash) {\n            var historyLength = this.stateHistory.length;\n\n            // First page and page reload don't get sliding animation\n            if (historyLength === 0 || hash === this.stateHistory[historyLength - 1]) {\n                return null;\n            }\n            else if (hash === this.stateHistory[historyLength - 2]) {\n                return 'left';\n            }\n            else {\n                return 'right';\n            }\n        },\n\n        /**\n         * Return the type of slide (null, 'left' or 'right')\n         */\n        getNextSlideOrigin: function () {\n            return this.getSlideOriginForLocation(location.hash);\n        },\n\n        /**\n         * Use this function if you want PageSlider to automatically determine\n         * the sliding direction based on the state history.\n         * afterTransition function is called when the transition ends\n         */\n        slidePage: function ($newPage, options) {\n\n            var state = location.hash;\n\n            var slideBehaviour = this.getNextSlideOrigin();\n\n            switch (slideBehaviour) {\n                case 'left':\n                    this.stateHistory.pop();\n                    this.slidePageFrom($newPage, 'left', options);\n                    break;\n                case 'right':\n                    this.stateHistory.push(state);\n                    this.slidePageFrom($newPage, 'right', options);\n                    break;\n                default:\n                    this.stateHistory.push(state);\n                    this.slidePageFrom($newPage, null, options);\n                    break;\n            }\n        },\n\n        /**\n         * Use this function directly if you want to control the sliding direction outside PageSlider\n         * @param  {$} $newPage The new page to slide in\n         * @param  {String} origin Origin of the slide ('left', 'right', or null)\n         * @param  {function} options\n         *  beforeTransition: Called before the transition, after the page is added\n         *                    to the DOM.\n         *   afterTransition: Called when the slide end\n         *                    or immediately if there is no transition.\n         *                    A boolean is passed to the callback : true if we just slide\n         *                    in the very first page.\n         *\n         */\n        slidePageFrom: function ($newPage, origin, options) {\n\n            var that = this;\n\n            options = options || {};\n            options.beforeTransition = options.beforeTransition || $.noop;\n            options.afterTransition = options.afterTransition || $.noop;\n\n            var $oldPage = this.$currentPage;\n            var isFirstPageSlide = !$oldPage;\n\n            $newPage.addClass('page');\n            this.$container.append($newPage);\n\n            options.beforeTransition();\n\n            // First loaded page (no old page) or no transition\n            if (isFirstPageSlide || !origin || !this.transitionsEnabled) {\n\n                // Disable transition\n                this._disableTransitionOnPages($newPage);\n\n                // Remove old page if it exists\n                if ($oldPage) {\n                    $oldPage.remove();\n                }\n\n                this.$currentPage = $newPage;\n\n                // We call the transition end callback anyway\n                options.afterTransition(isFirstPageSlide);\n                return;\n            }\n\n            // Position the page at the starting position of the animation\n            this._setPagePosition($newPage, origin);\n\n            // Shim transitionend if it's not fired\n            var shimTransitionEnd = setTimeout(function() {\n                onTransitionEnd();\n            }, this.transitionDurationMs + 100);\n\n            this.$currentPage.one('transitionend webkitTransitionEnd', function () {\n                onTransitionEnd();\n            });\n\n            // Position the new page and the current page at the ending position of their animation\n            // And enable their animation via transition\n\n            this._enableTransitionOnPages([$newPage, $oldPage]);\n\n            // Force reflow. More information here:\n            // http://www.phpied.com/rendering-repaint-reflowrelayout-restyle/\n            /*jshint -W030*/\n            this.$container[0].offsetWidth;\n\n            this._setPagePosition($newPage, 'center');\n            this._setPagePosition($oldPage,  (origin === 'left' ? 'right' : 'left'));\n            this.$currentPage = $newPage;\n\n            var onTransitionEnd = function () {\n                that._disableTransitionOnPages(that.$currentPage);\n\n                that.$container.find('> .page:not(:last)').remove();\n\n                clearTimeout(shimTransitionEnd);\n                options.afterTransition(false);\n            };\n\n        },\n    };\n\n    return PageSlider;\n\n}));\n"],"sourceRoot":"/source/"}