435 lines
12 KiB
JavaScript
435 lines
12 KiB
JavaScript
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/**
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* SqueezeBox - Expandable Lightbox
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*
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* Allows to open various content as modal,
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* centered and animated box.
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*
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* Dependencies: MooTools 1.2
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*
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* Inspired by
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* ... Lokesh Dhakar - The original Lightbox v2
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*
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* @version 1.1 rc4
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*
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* @license MIT-style license
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* @author Harald Kirschner <mail [at] digitarald.de>
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* @copyright Author
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*/
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var SqueezeBox = {
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presets: {
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onOpen: $empty,
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onClose: $empty,
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onUpdate: $empty,
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onResize: $empty,
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onMove: $empty,
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onShow: $empty,
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onHide: $empty,
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size: {x: 600, y: 450},
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sizeLoading: {x: 200, y: 150},
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marginInner: {x: 20, y: 20},
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marginImage: {x: 50, y: 75},
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handler: false,
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target: null,
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closable: true,
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closeBtn: true,
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zIndex: 65555,
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overlayOpacity: 0.7,
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classWindow: '',
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classOverlay: '',
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overlayFx: {},
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resizeFx: {},
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contentFx: {},
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parse: false, // 'rel'
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parseSecure: false,
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shadow: true,
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document: null,
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ajaxOptions: {}
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},
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initialize: function(presets) {
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if (this.options) return this;
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this.presets = $merge(this.presets, presets);
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this.doc = this.presets.document || document;
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this.options = {};
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this.setOptions(this.presets).build();
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this.bound = {
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window: this.reposition.bind(this, [null]),
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scroll: this.checkTarget.bind(this),
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close: this.close.bind(this),
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key: this.onKey.bind(this)
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};
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this.isOpen = this.isLoading = false;
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return this;
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},
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build: function() {
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this.overlay = new Element('div', {
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id: 'sbox-overlay',
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styles: {display: 'none', zIndex: this.options.zIndex}
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});
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this.win = new Element('div', {
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id: 'sbox-window',
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styles: {display: 'none', zIndex: this.options.zIndex + 2}
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});
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if (this.options.shadow) {
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if (Browser.Engine.webkit420) {
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this.win.setStyle('-webkit-box-shadow', '0 0 10px rgba(0, 0, 0, 0.7)');
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} else if (!Browser.Engine.trident4) {
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var shadow = new Element('div', {'class': 'sbox-bg-wrap'}).inject(this.win);
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var relay = function(e) {
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this.overlay.fireEvent('click', [e]);
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}.bind(this);
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['n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'].each(function(dir) {
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new Element('div', {'class': 'sbox-bg sbox-bg-' + dir}).inject(shadow).addEvent('click', relay);
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});
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}
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}
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this.content = new Element('div', {id: 'sbox-content'}).inject(this.win);
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this.closeBtn = new Element('a', {id: 'sbox-btn-close', href: '#'}).inject(this.win);
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this.fx = {
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overlay: new Fx.Tween(this.overlay, $merge({
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property: 'opacity',
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onStart: Events.prototype.clearChain,
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duration: 250,
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link: 'cancel'
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}, this.options.overlayFx)).set(0),
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win: new Fx.Morph(this.win, $merge({
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onStart: Events.prototype.clearChain,
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unit: 'px',
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duration: 750,
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transition: Fx.Transitions.Quint.easeOut,
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link: 'cancel',
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unit: 'px'
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}, this.options.resizeFx)),
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content: new Fx.Tween(this.content, $merge({
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property: 'opacity',
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duration: 250,
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link: 'cancel'
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}, this.options.contentFx)).set(0)
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};
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$(this.doc.body).adopt(this.overlay, this.win);
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},
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assign: function(to, options) {
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return ($(to) || $$(to)).addEvent('click', function() {
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return !SqueezeBox.fromElement(this, options);
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});
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},
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open: function(subject, options) {
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this.initialize();
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if (this.element != null) this.trash();
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this.element = $(subject) || false;
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this.setOptions($merge(this.presets, options || {}));
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if (this.element && this.options.parse) {
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var obj = this.element.getProperty(this.options.parse);
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if (obj && (obj = JSON.decode(obj, this.options.parseSecure))) this.setOptions(obj);
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}
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this.url = ((this.element) ? (this.element.get('href')) : subject) || this.options.url || '';
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this.assignOptions();
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var handler = handler || this.options.handler;
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if (handler) return this.setContent(handler, this.parsers[handler].call(this, true));
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var ret = false;
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return this.parsers.some(function(parser, key) {
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var content = parser.call(this);
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if (content) {
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ret = this.setContent(key, content);
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return true;
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}
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return false;
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}, this);
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},
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fromElement: function(from, options) {
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return this.open(from, options);
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},
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assignOptions: function() {
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this.overlay.set('class', this.options.classOverlay);
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this.win.set('class', this.options.classWindow);
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if (Browser.Engine.trident4) this.win.addClass('sbox-window-ie6');
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},
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close: function(e) {
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var stoppable = ($type(e) == 'event');
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if (stoppable) e.stop();
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if (!this.isOpen || (stoppable && !$lambda(this.options.closable).call(this, e))) return this;
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this.fx.overlay.start(0).chain(this.toggleOverlay.bind(this));
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this.win.setStyle('display', 'none');
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this.fireEvent('onClose', [this.content]);
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this.trash();
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this.toggleListeners();
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this.isOpen = false;
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return this;
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},
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trash: function() {
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this.element = this.asset = null;
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this.content.empty();
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this.options = {};
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this.removeEvents().setOptions(this.presets).callChain();
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},
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onError: function() {
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this.asset = null;
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this.setContent('string', this.options.errorMsg || 'An error occurred');
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},
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setContent: function(handler, content) {
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if (!this.handlers[handler]) return false;
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this.content.className = 'sbox-content-' + handler;
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this.applyTimer = this.applyContent.delay(this.fx.overlay.options.duration, this, this.handlers[handler].call(this, content));
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if (this.overlay.retrieve('opacity')) return this;
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this.toggleOverlay(true);
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this.fx.overlay.start(this.options.overlayOpacity);
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return this.reposition();
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},
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applyContent: function(content, size) {
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if (!this.isOpen && !this.applyTimer) return;
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this.applyTimer = $clear(this.applyTimer);
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this.hideContent();
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if (!content) {
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this.toggleLoading(true);
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} else {
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if (this.isLoading) this.toggleLoading(false);
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this.fireEvent('onUpdate', [this.content], 20);
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}
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if (content) {
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if (['string', 'array'].contains($type(content))) this.content.set('html', content);
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else if (!this.content.hasChild(content)) this.content.adopt(content);
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}
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this.callChain();
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if (!this.isOpen) {
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this.toggleListeners(true);
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this.resize(size, true);
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this.isOpen = true;
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this.fireEvent('onOpen', [this.content]);
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} else {
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this.resize(size);
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}
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},
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resize: function(size, instantly) {
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this.showTimer = $clear(this.showTimer || null);
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var box = this.doc.getSize(), scroll = this.doc.getScroll();
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this.size = $merge((this.isLoading) ? this.options.sizeLoading : this.options.size, size);
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var to = {
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width: this.size.x,
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height: this.size.y,
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left: (scroll.x + (box.x - this.size.x - this.options.marginInner.x) / 2).toInt(),
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top: (scroll.y + (box.y - this.size.y - this.options.marginInner.y) / 2).toInt()
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};
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this.hideContent();
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if (!instantly) {
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this.fx.win.start(to).chain(this.showContent.bind(this));
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} else {
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this.win.setStyles(to).setStyle('display', '');
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this.showTimer = this.showContent.delay(50, this);
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}
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return this.reposition();
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},
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toggleListeners: function(state) {
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var fn = (state) ? 'addEvent' : 'removeEvent';
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this.closeBtn[fn]('click', this.bound.close);
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this.overlay[fn]('click', this.bound.close);
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this.doc[fn]('keydown', this.bound.key)[fn]('mousewheel', this.bound.scroll);
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this.doc.getWindow()[fn]('resize', this.bound.window)[fn]('scroll', this.bound.window);
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},
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toggleLoading: function(state) {
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this.isLoading = state;
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this.win[(state) ? 'addClass' : 'removeClass']('sbox-loading');
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if (state) this.fireEvent('onLoading', [this.win]);
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},
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toggleOverlay: function(state) {
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var full = this.doc.getSize().x;
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this.overlay.setStyle('display', (state) ? '' : 'none');
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this.doc.body[(state) ? 'addClass' : 'removeClass']('body-overlayed');
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if (state) {
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this.scrollOffset = this.doc.getWindow().getSize().x - full;
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this.doc.body.setStyle('margin-right', this.scrollOffset);
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} else {
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this.doc.body.setStyle('margin-right', '');
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}
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},
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showContent: function() {
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if (this.content.get('opacity')) this.fireEvent('onShow', [this.win]);
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this.fx.content.start(1);
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},
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hideContent: function() {
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if (!this.content.get('opacity')) this.fireEvent('onHide', [this.win]);
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this.fx.content.cancel().set(0);
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},
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onKey: function(e) {
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switch (e.key) {
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case 'esc': this.close(e);
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case 'up': case 'down': return false;
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}
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},
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checkTarget: function(e) {
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return this.content.hasChild(e.target);
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},
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reposition: function() {
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var size = this.doc.getSize(), scroll = this.doc.getScroll(), ssize = this.doc.getScrollSize();
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this.overlay.setStyles({
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width: ssize.x + 'px',
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height: ssize.y + 'px'
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});
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this.win.setStyles({
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left: (scroll.x + (size.x - this.win.offsetWidth) / 2 - this.scrollOffset).toInt() + 'px',
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top: (scroll.y + (size.y - this.win.offsetHeight) / 2).toInt() + 'px'
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});
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return this.fireEvent('onMove', [this.overlay, this.win]);
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},
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removeEvents: function(type){
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if (!this.$events) return this;
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if (!type) this.$events = null;
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else if (this.$events[type]) this.$events[type] = null;
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return this;
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},
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extend: function(properties) {
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return $extend(this, properties);
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},
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handlers: new Hash(),
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parsers: new Hash()
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};
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SqueezeBox.extend(new Events($empty)).extend(new Options($empty)).extend(new Chain($empty));
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SqueezeBox.parsers.extend({
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image: function(preset) {
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return (preset || (/\.(?:jpg|png|gif)$/i).test(this.url)) ? this.url : false;
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},
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clone: function(preset) {
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if ($(this.options.target)) return $(this.options.target);
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if (this.element && !this.element.parentNode) return this.element;
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var bits = this.url.match(/#([\w-]+)$/);
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return (bits) ? $(bits[1]) : (preset ? this.element : false);
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},
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ajax: function(preset) {
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return (preset || (this.url && !(/^(?:javascript|#)/i).test(this.url))) ? this.url : false;
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},
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iframe: function(preset) {
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return (preset || this.url) ? this.url : false;
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},
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string: function(preset) {
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return true;
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}
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});
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SqueezeBox.handlers.extend({
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image: function(url) {
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var size, tmp = new Image();
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this.asset = null;
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tmp.onload = tmp.onabort = tmp.onerror = (function() {
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tmp.onload = tmp.onabort = tmp.onerror = null;
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if (!tmp.width) {
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this.onError.delay(10, this);
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return;
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}
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var box = this.doc.getSize();
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box.x -= this.options.marginImage.x;
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box.y -= this.options.marginImage.y;
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size = {x: tmp.width, y: tmp.height};
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for (var i = 2; i--;) {
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if (size.x > box.x) {
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size.y *= box.x / size.x;
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size.x = box.x;
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} else if (size.y > box.y) {
|
||
|
|
size.x *= box.y / size.y;
|
||
|
|
size.y = box.y;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
size.x = size.x.toInt();
|
||
|
|
size.y = size.y.toInt();
|
||
|
|
this.asset = $(tmp);
|
||
|
|
tmp = null;
|
||
|
|
this.asset.width = size.x;
|
||
|
|
this.asset.height = size.y;
|
||
|
|
this.applyContent(this.asset, size);
|
||
|
|
}).bind(this);
|
||
|
|
tmp.src = url;
|
||
|
|
if (tmp && tmp.onload && tmp.complete) tmp.onload();
|
||
|
|
return (this.asset) ? [this.asset, size] : null;
|
||
|
|
},
|
||
|
|
|
||
|
|
clone: function(el) {
|
||
|
|
if (el) return el.clone();
|
||
|
|
return this.onError();
|
||
|
|
},
|
||
|
|
|
||
|
|
adopt: function(el) {
|
||
|
|
if (el) return el;
|
||
|
|
return this.onError();
|
||
|
|
},
|
||
|
|
|
||
|
|
ajax: function(url) {
|
||
|
|
var options = this.options.ajaxOptions || {};
|
||
|
|
this.asset = new Request.HTML($merge({
|
||
|
|
method: 'get',
|
||
|
|
evalScripts: false
|
||
|
|
}, this.options.ajaxOptions)).addEvents({
|
||
|
|
onSuccess: function(resp) {
|
||
|
|
this.applyContent(resp);
|
||
|
|
if (options.evalScripts !== null && !options.evalScripts) $exec(this.asset.response.javascript);
|
||
|
|
this.fireEvent('onAjax', [resp, this.asset]);
|
||
|
|
this.asset = null;
|
||
|
|
}.bind(this),
|
||
|
|
onFailure: this.onError.bind(this)
|
||
|
|
});
|
||
|
|
this.asset.send.delay(10, this.asset, [{url: url}]);
|
||
|
|
},
|
||
|
|
|
||
|
|
iframe: function(url) {
|
||
|
|
this.asset = new Element('iframe', $merge({
|
||
|
|
src: url,
|
||
|
|
frameBorder: 0,
|
||
|
|
width: this.options.size.x,
|
||
|
|
height: this.options.size.y
|
||
|
|
}, this.options.iframeOptions));
|
||
|
|
if (this.options.iframePreload) {
|
||
|
|
this.asset.addEvent('load', function() {
|
||
|
|
this.applyContent(this.asset.setStyle('display', ''));
|
||
|
|
}.bind(this));
|
||
|
|
this.asset.setStyle('display', 'none').inject(this.content);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return this.asset;
|
||
|
|
},
|
||
|
|
|
||
|
|
string: function(str) {
|
||
|
|
return str;
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
SqueezeBox.handlers.url = SqueezeBox.handlers.ajax;
|
||
|
|
SqueezeBox.parsers.url = SqueezeBox.parsers.ajax;
|
||
|
|
SqueezeBox.parsers.adopt = SqueezeBox.parsers.clone;
|