/**
* SqueezeBox - Expandable Lightbox
*
* Allows to open various content as modal,
* centered and animated box.
*
* Dependencies: MooTools 1.2+ (09/2007)
*
* Inspired by
*  ... Lokesh Dhakar	- The original Lightbox v2
*
* @version		1.0rc2
*
* @license		MIT-style license
* @author		Harald Kirschner <mail [at] digitarald.de>
* @copyright	Author
*/
var SqueezeBox = {

    presets: {
        size: {x: 600, y: 450},
        sizeLoading: {x: 200, y: 150},
        marginInner: {x: 20, y: 20},
        marginImage: {x: 150, y: 200},
        handler: false,
        target: null,
        closeWithOverlay: true,
        zIndex: 800,
        overlayOpacity: 0.7,
        classWindow: '',
        classOverlay: '',
        disableFx: false,
        onOpen: $empty,
        onClose: $empty,
        onUpdate: $empty,
        onResize: $empty,
        onMove: $empty,
        onShow: $empty,
        onHide: $empty,
        fxOverlayDuration: 250,
        fxResizeDuration: 750,
        fxResizeTransition: Fx.Transitions.Quint.easeOut,
        fxContentDuration: 250,
        ajaxOptions: {}
    },

    initialize: function(options) {
        if (this.options) return this;
        this.presets = $merge(this.presets, options);
        this.setOptions(this.presets).build();
        this.listeners = {
            window: this.reposition.bind(this, [null]),
            close: this.close.bind(this),
            key: this.onKey.bind(this)
        };
        this.isOpen = this.isLoading = false;
        return this;
    },

    build: function() {
        if (this.win) this.win.remove();
        if (this.overlay) this.overlay.remove();
        this.content = new Element('div', {id: 'sbox-content'});
        this.btnClose = new Element('a', {id: 'sbox-btn-close', href: '#'});
        this.overlay = new Element('div', {
            id: 'sbox-overlay',
            styles: {display: 'none', zIndex: this.options.zIndex}
        }).inject(document.body);
        this.win = new Element('div', {
            id: 'sbox-window',
            styles: {display: 'none', zIndex: this.options.zIndex + 2}
        }).adopt(this.btnClose, this.content).inject(document.body);
        this.fx = {
            overlay: new Fx.Style(this.overlay, 'opacity', {
                duration: this.options.fxOverlayDuration,
                wait: false
            }).set(0),
            win: new Fx.Styles(this.win, {
                duration: this.options.fxResizeDuration,
                transition: this.options.fxResizeTransition,
                wait: false,
                unit: 'px'
            }),
            content: new Fx.Style(this.content, 'opacity', {
                duration: this.options.fxContentDuration,
                wait: false
            }).set(0)
        };
    },

    addClick: function(el) {
        return el.addEvent('click', function() {
            return !SqueezeBox.fromElement(this);
        });
    },

    fromElement: function(el, options) {
        this.initialize();
        this.element = $(el);
        this.setOptions($merge(this.presets, options || {}, (this.element && this.element.rel) ? Json.evaluate(this.element.rel) : {}));
        this.assignOptions();
        this.url = ((this.element) ? (this.options.url || this.element.getProperty('href')) : el) || '';
        if (this.options.handler) {
            var handler = this.options.handler;
            return this.setContent(handler, this.parsers[handler].call(this, true));
        }
        var res;
        for (var key in this.parsers) {
            if ((res = this.parsers[key].call(this))) return this.setContent(key, res);
        }
        return false;
    },

    assignOptions: function() {
        this.overlay.setProperty('class', this.options.classOverlay);
        this.win.setProperty('class', this.options.classWindow);
        if (window.ie6) this.win.addClass('sbox-window-ie6');
    },

    close: function(e) {
        if (e) new Event(e).stop();
        if (!this.isOpen) return this;
        this.fx.overlay.start(0).chain(this.toggleOverlay.bind(this));
        this.win.setStyle('display', 'none');
        this.trashImage();
        this.toggleListeners();
        this.isOpen = null;
        this.fireEvent('onClose', [this.content]).removeEvents();
        this.options = {};
        this.setOptions(this.presets).callChain();
        return this;
    },

    onError: function() {
        if (this.image) this.trashImage();
        this.setContent('Error during loading');
    },

    trashImage: function() {
        if (this.image) this.image = this.image.onload = this.image.onerror = this.image.onabort = null;
    },

    setContent: function(handler, content) {
        if (!this.handlers[handler]) return false;
        this.content.setProperty('class', 'sbox-content-' + handler);
        this.applyTimer = this.applyContent.delay(this.fx.overlay.options.duration, this, this.handlers[handler].call(this, content));
        if (this.overlay.$tmp.opacity) return this;
        this.toggleOverlay(true);
        this.fx.overlay.start(this.options.overlayOpacity);
        this.reposition();
        return this;
    },

    applyContent: function(content, size) {
        this.applyTimer = $clear(this.applyTimer);
        this.hideContent();
        if (!content) this.toggleLoading(true);
        else {
            if (this.isLoading) this.toggleLoading(false);
            this.fireEvent('onUpdate', [this.content], 20);
        }
        this.content.empty()[['string', 'array', false].contains($type(content)) ? 'setHTML' : 'adopt'](content || '');
        this.callChain();
        if (!this.isOpen) {
            this.toggleListeners(true);
            this.resize(size, true);
            this.isOpen = true;
            this.fireEvent('onOpen', [this.content]);
        } else this.resize(size);
    },

    resize: function(size, instantly) {
        var sizes = window.getSize();
        this.size = $merge(this.isLoading ? this.options.sizeLoading : this.options.size, size);
        var to = {
            width: this.size.x, height: this.size.y,
            left: (sizes.scroll.x + (sizes.size.x - this.size.x - this.options.marginInner.x) / 2).toInt(),
            top: (sizes.scroll.y + (sizes.size.y - this.size.y - this.options.marginInner.y) / 2).toInt()
        };
        $clear(this.showTimer || null);
        this.hideContent();
        if (!instantly) {
            this.fx.win.start(to).chain(this.showContent.bind(this));
        } else {
            this.win.setStyles(to).setStyle('display', '');
            this.showTimer = this.showContent.delay(50, this);
        }
        return this.reposition(sizes);
    },

    toggleListeners: function(state) {
        var task = state ? 'addEvent' : 'removeEvent';
        this.btnClose[task]('click', this.listeners.close);
        if (this.options.closeWithOverlay) this.overlay[task]('click', this.listeners.close);
        document[task]('keydown', this.listeners.key);
        window[task]('resize', this.listeners.window);
        window[task]('scroll', this.listeners.window);
    },

    toggleLoading: function(state) {
        this.isLoading = state;
        this.win[state ? 'addClass' : 'removeClass']('sbox-loading');
        if (state) this.fireEvent('onLoading', [this.win]);
    },

    toggleOverlay: function(state) {
        this.overlay.setStyle('display', state ? '' : 'none');
        document.body[state ? 'addClass' : 'removeClass']('body-overlayed');
    },

    showContent: function() {
        if (this.content.$tmp.opacity) this.fireEvent('onShow', [this.win]);
        this.fx.content.start(1);
    },

    hideContent: function() {
        if (!this.content.$tmp.opacity) this.fireEvent('onHide', [this.win]);
        this.fx.content.set(0);
    },

    onKey: function(e) {
        switch (e.key) {
            case 'esc':
            this.close();
            break;
        }
    },

    reposition: function(sizes) {
        sizes = sizes || window.getSize();
        this.overlay.setStyles({
            left: sizes.scroll.x, top: sizes.scroll.y,
            width: sizes.size.x, height: sizes.size.y
        });
        this.win.setStyles({
            left: (sizes.scroll.x + (sizes.size.x - this.win.offsetWidth) / 2).toInt(),
            top: (sizes.scroll.y + (sizes.size.y - this.win.offsetHeight) / 2).toInt()
        });
        return this.fireEvent('onMove', [this.overlay, this.win, sizes]);
    },

    removeEvents: function(type){
        if (!this.$events) return this;
        if (!type) this.$events = null;
        else if (this.$events[type]) this.$events[type] = null;
        return this;
    },

    parsers: {
        image: function(preset) {
            return (preset || this.url.test(/\.(jpg|jpeg|png|gif|bmp)$/i)) ? this.url : false;
        },
        clone: function(preset) {
            if ($(this.options.target)) return $(this.options.target);
            if (preset || (this.element && !this.element.parentNode)) return this.element;
            var bits = this.url.match(/#([\w-]+)$/);
            return (bits) ? $(bits[1]) : false;
        },
        url: function(preset) {
            return (preset || (this.url && !this.url.test(/^javascript:/i))) ? this.url: false;
        },
        iframe: function(preset) {
            return (preset || this.url) ? this.url : false;
        },
        string: function(preset) {
            return true;
        },
        swf: function(preset) {
            return (preset || this.url.test(/\.swf/)) ? this.url : false;
        }
    },

    handlers: {
        image: function(url) {
            var size, tmp = new Image();
            this.image = null;
            tmp.onload = tmp.onabort = tmp.onerror = (function() {
                tmp.onload = tmp.onabort = tmp.onerror = null;
                if (!tmp.width) {
                    this.onError.delay(10, this);
                    return;
                }
                var win = {x: window.getWidth() - this.options.marginImage.x, y: window.getHeight() - this.options.marginImage.y};
                size = {x: tmp.width, y: tmp.height};
                for (var i = 2; i--;) {
                    if (size.x > win.x) {
                        size.y *= win.x / size.x;
                        size.x = win.x;
                    } else if (size.y > win.y) {
                        size.x *= win.y / size.y;
                        size.y = win.y;
                    }
                }
                size.x = size.x.toInt();
                size.y = size.y.toInt();
                this.image = (window.webkit419) ? new Element('img', {src: this.image.src}) : $(tmp);
                tmp = null;
                this.image.setProperties({width: size.x, height: size.y});
                if (this.isOpen) this.applyContent(this.image, size);
            }).bind(this);
            tmp.src = url;
            if (tmp && tmp.onload && tmp.complete) tmp.onload();
            return (this.image) ? [this.image, size] : null;
        },
        clone: function(el) {
            return el.clone();
        },
        adopt: function(el) {
            return el;
        },
        url: function(url) {
            this.options.ajaxOptions = $merge(this.options.ajaxOptions,{
                onSuccess: function(resp) {
                    this.applyContent(resp);
                    this.ajax = null;
                }.bind(this),
                onFailure: this.onError.bind(this)
            });
            this.ajax = new Ajax(url, this.options.ajaxOptions).request();//.delay(10, this.ajax,[]);
            /*this.ajax.addEvents({
                onSuccess: function(resp) {
                    this.applyContent(resp);
                    this.ajax = null;
                }.bind(this),
                onFailure: this.onError.bind(this)
            }).request.delay(10, this.ajax);*/
        },
        iframe: function(url) {
            return new Element('iframe', {
                src: url,
                frameBorder: 0,
                width: this.options.size.x,
                height: this.options.size.y
            });
        },
        string: function(str) {
            return str;
        },
        swf: function(url) {
            var size = this.options.size;
            var swfobj = new SWFObject(url, 'sbox-swf', size.x, size.y, 9, '#ffffff');
            return swfobj.getSWFHTML();
        }

    },

    extend: $extend
};
SqueezeBox.parsers.adopt = SqueezeBox.parsers.clone;
SqueezeBox.extend(Events.prototype).extend(Options.prototype).extend(Chain.prototype);
/**
* This is a dirty 1min hack, it will be cleaner with the next version
* of SmoothGallery
*/
/*var openSmooth = function() {
var from = $('myGallery').clone(), smooth, crsl;
SqueezeBox.fromElement(from, {size: {x: 465, y: 350}}).chain(function() {
smooth = new gallery(this.content.getFirst(), {
timed: false
});
// dirty hacked ;)
$(document.body).addClass('jdGallery');
crsl = smooth.carouselContainer.element;
crsl.injectAfter(SqueezeBox.window);
crsl.setStyles({'z-index': SqueezeBox.options.zIndex + 3});
}).chain(function() {
$(document.body).removeClass('jdGallery');
crsl.remove();
});
}*/