https://perfect-gold.ru/media/system/js/modal.js

1/**
2 * SqueezeBox - Expandable Lightbox
3 *
4 * Allows to open various content as modal,
5 * centered and animated box.
6 *
7 * Inspired by
8 *  ... Lokesh Dhakar	- The original Lightbox v2
9 *  ... Cody Lindley	- ThickBox
10 *
11 * @version		1.0rc1
12 *
13 * @license		MIT-style license
14 * @author		Harald Kirschner <mail [at] digitarald.de>
15 * @copyright	Author
16 */
17var SqueezeBox = {
18
19	presets: {
20		size: {x: 600, y: 450},
21		sizeLoading: {x: 200, y: 150},
22		marginInner: {x: 20, y: 20},
23		marginImage: {x: 150, y: 200},
24		handler: false,
25		adopt: null,
26		closeWithOverlay: true,
27		zIndex: 65555,
28		overlayOpacity: 0.7,
29		classWindow: '',
30		classOverlay: '',
31		disableFx: false,
32		onOpen: Class.empty,
33		onClose: Class.empty,
34		onUpdate: Class.empty,
35		onResize: Class.empty,
36		onMove: Class.empty,
37		onShow: Class.empty,
38		onHide: Class.empty,
39		fxOverlayDuration: 250,
40		fxResizeDuration: 750,
41		fxContentDuration: 250,
42		ajaxOptions: {}
43	},
44
45	initialize: function(options) {
46		if (this.options) return this;
47		this.presets = $merge(this.presets, options)
48		this.setOptions(this.presets);
49		this.build();
50		this.listeners = {
51			window: this.reposition.bind(this, [null]),
52			close: this.close.bind(this),
53			key: this.onkeypress.bind(this)};
54		this.isOpen = this.isLoading = false;
55		this.window.close = this.listeners.close;
56		return this;
57	},
58
59	build: function() {
60		this.overlay = new Element('div', {
61			id: 'sbox-overlay',
62			styles: {
63				display: 'none',
64				zIndex: this.options.zIndex
65			}
66		});
67		this.content = new Element('div', {
68			id: 'sbox-content'
69		});
70		this.btnClose = new Element('a', {
71			id: 'sbox-btn-close',
72			href: '#'
73		});
74		this.window = new Element('div', {
75			id: 'sbox-window',
76			styles: {
77				display: 'none',
78				zIndex: this.options.zIndex + 2
79			}
80		}).adopt(this.btnClose, this.content);
81
82		if (!window.ie6) {
83			this.overlay.setStyles({
84				position: 'fixed',
85				top: 0,
86				left: 0
87			});
88			this.window.setStyles({
89				position: 'fixed',
90				top: '50%',
91				left: '50%'
92			});
93		} else {
94			this.overlay.style.setExpression('marginTop', 'document.documentElement.scrollTop + "px"');
95			this.window.style.setExpression('marginTop', '0 - parseInt(this.offsetHeight / 2) + document.documentElement.scrollTop + "px"');
96
97			this.overlay.setStyles({
98				position: 'absolute',
99				top: '0%',
100				left: '0%'
101				//,marginTop: "expression(document.documentElement.scrollTop + 'px')"
102			});
103
104			this.window.setStyles({
105				position: 'absolute',
106				top: '0%',
107				left: '0%'
108				//,marginTop: "(expression(0 - parseInt(this.offsetHeight / 2) + document.documentElement.scrollTop + 'px')"
109			});
110		}
111
112		$(document.body).adopt(this.overlay, this.window);
113
114		this.fx = {
115			overlay: this.overlay.effect('opacity', {
116				duration: this.options.fxOverlayDuration,
117				wait: false}).set(0),
118			window: this.window.effects({
119				duration: this.options.fxResizeDuration,
120				wait: false}),
121			content: this.content.effect('opacity', {
122				duration: this.options.fxContentDuration,
123				wait: false}).set(0)
124		};
125	},
126
127	addClick: function(el) {
128		return el.addEvent('click', function() {
129			if (this.fromElement(el)) return false;
130		}.bind(this));
131	},
132
133	fromElement: function(el, options) {
134		this.initialize();
135		this.element = $(el);
136		if (this.element && this.element.rel) options = $merge(options || {}, Json.evaluate(this.element.rel));
137		this.setOptions(this.presets, options);
138		this.assignOptions();
139		this.url = (this.element ? (this.options.url || this.element.href) : el) || '';
140
141		if (this.options.handler) {
142			var handler = this.options.handler;
143			return this.setContent(handler, this.parsers[handler].call(this, true));
144		}
145		var res = false;
146		for (var key in this.parsers) {
147			if ((res = this.parsers[key].call(this))) return this.setContent(key, res);
148		}
149		return this;
150	},
151
152	assignOptions: function() {
153		this.overlay.setProperty('class', this.options.classOverlay);
154		this.window.setProperty('class', this.options.classWindow);
155	},
156
157	close: function(e) {
158		if (e) new Event(e).stop();
159		if (!this.isOpen) return this;
160		this.fx.overlay.start(0).chain(this.toggleOverlay.bind(this));
161		this.window.setStyle('display', 'none');
162		this.trashImage();
163		this.toggleListeners();
164		this.isOpen = null;
165		this.fireEvent('onClose', [this.content]).removeEvents();
166		this.options = {};
167		this.setOptions(this.presets).callChain();
168		return this;
169	},
170
171	onError: function() {
172		if (this.image) this.trashImage();
173		this.setContent('Error during loading');
174	},
175
176	trashImage: function() {
177		if (this.image) this.image = this.image.onload = this.image.onerror = this.image.onabort = null;
178	},
179
180	setContent: function(handler, content) {
181		this.content.setProperty('class', 'sbox-content-' + handler);
182		this.applyTimer = this.applyContent.delay(this.fx.overlay.options.duration, this, [this.handlers[handler].call(this, content)]);
183		if (this.overlay.opacity) return this;
184		this.toggleOverlay(true);
185		this.fx.overlay.start(this.options.overlayOpacity);
186		this.reposition();
187		return this;
188	},
189
190	applyContent: function(content, size) {
191		this.applyTimer = $clear(this.applyTimer);
192		this.hideContent();
193		if (!content) this.toggleLoading(true);
194		else {
195			if (this.isLoading) this.toggleLoading(false);
196			this.fireEvent('onUpdate', [this.content], 20);
197		}
198		this.content.empty()[['string', 'array', false].contains($type(content)) ? 'setHTML' : 'adopt'](content || '');
199		this.callChain();
200		if (!this.isOpen) {
201			this.toggleListeners(true);
202			this.resize(size, true);
203			this.isOpen = true;
204			this.fireEvent('onOpen', [this.content]);
205		} else this.resize(size);
206	},
207
208	resize: function(size, instantly) {
209		var sizes = window.getSize();
210		this.size = $merge(this.isLoading ? this.options.sizeLoading : this.options.size, size);
211		var to = {
212			width: this.size.x,
213			height: this.size.y,
214			marginLeft: - this.size.x / 2,
215			marginTop: - this.size.y / 2
216			//left: (sizes.scroll.x + (sizes.size.x - this.size.x - this.options.marginInner.x) / 2).toInt(),
217			//top: (sizes.scroll.y + (sizes.size.y - this.size.y - this.options.marginInner.y) / 2).toInt()
218		};
219		$clear(this.showTimer || null);
220		this.hideContent();
221		if (!instantly) this.fx.window.start(to).chain(this.showContent.bind(this));
222		else {
223			this.window.setStyles(to).setStyle('display', '');
224			this.showTimer = this.showContent.delay(50, this);
225		}
226		this.reposition(sizes);
227	},
228
229	toggleListeners: function(state) {
230		var task = state ? 'addEvent' : 'removeEvent';
231		this.btnClose[task]('click', this.listeners.close);
232		if (this.options.closeWithOverlay) this.overlay[task]('click', this.listeners.close);

233		document[task]('keydown', this.listeners.key);
234		window[task]('resize', this.listeners.window);
235		window[task]('scroll', this.listeners.window);
236	},
237
238	toggleLoading: function(state) {
239		this.isLoading = state;
240		this.window[state ? 'addClass' : 'removeClass']('sbox-loading');
241		if (state) this.fireEvent('onLoading', [this.window]);
242	},
243
244	toggleOverlay: function(state) {
245		this.overlay.setStyle('display', state ? '' : 'none');
246		$(document.body)[state ? 'addClass' : 'removeClass']('body-overlayed');
247	},
248
249	showContent: function() {
250		if (this.content.opacity) this.fireEvent('onShow', [this.window]);
251		this.fx.content.start(1);
252	},
253
254	hideContent: function() {
255		if (!this.content.opacity) this.fireEvent('onHide', [this.window]);
256		this.fx.content.stop().set(0);
257	},
258
259	onkeypress: function(e) {
260		switch (e.key) {
261			case 'esc':
262			case 'x':
263				this.close();
264				break;
265		}
266	},
267
268	reposition: function(sizes) {
269		sizes = sizes || window.getSize();
270		this.overlay.setStyles({
271			//'left': sizes.scroll.x, 'top': sizes.scroll.y,
272			width: sizes.size.x,
273			height: sizes.size.y
274		});
275		/*
276		this.window.setStyles({
277			left: (sizes.scroll.x + (sizes.size.x - this.window.offsetWidth) / 2).toInt(),
278			top: (sizes.scroll.y + (sizes.size.y - this.window.offsetHeight) / 2).toInt()
279		});
280		*/
281		this.fireEvent('onMove', [this.overlay, this.window, sizes]);
282	},
283
284	removeEvents: function(type){
285		if (!this.$events) return this;
286		if (!type) this.$events = null;
287		else if (this.$events[type]) this.$events[type] = null;
288		return this;
289	},
290
291	parsers: {
292		'image': function(preset) {
293			return (preset || this.url.test(/\.(jpg|jpeg|png|gif|bmp)$/i)) ? this.url : false;
294		},
295		'adopt': function(preset) {
296			if ($(this.options.adopt)) return $(this.options.adopt);
297			if (preset || ($(this.element) && !this.element.parentNode)) return $(this.element);
298			var bits = this.url.match(/#([\w-]+)$/);
299			return bits ? $(bits[1]) : false;
300		},
301		'url': function(preset) {
302			return (preset || (this.url && !this.url.test(/^javascript:/i))) ? this.url: false;
303		},
304		'iframe': function(preset) {
305			return (preset || this.url) ? this.url: false;
306		},
307		'string': function(preset) {
308			return true;
309		}
310	},
311
312	handlers: {
313		'image': function(url) {
314			this.image = new Image();
315			var events = {
316				loaded: function() {
317					var win = {x: window.getWidth() - this.options.marginImage.x, y: window.getHeight() - this.options.marginImage.y};
318					var size = {x: this.image.width, y: this.image.height};
319					for (var i = 0; i < 2; i++)
320						if (size.x > win.x) {
321							size.y *= win.x / size.x;
322							size.x = win.x;
323						} else if (size.y > win.y) {
324							size.x *= win.y / size.y;
325							size.y = win.y;
326						}
327					size = {x: parseInt(size.x), y: parseInt(size.y)};
328					if (window.webkit419) this.image = new Element('img', {'src': this.image.src});
329					else $(this.image);
330					this.image.setProperties({
331						'width': size.x,
332						'height': size.y});
333					this.applyContent(this.image, size);
334				}.bind(this),
335				failed: this.onError.bind(this)
336			};
337			(function() {
338				this.src = url;
339			}).delay(10, this.image);
340			this.image.onload = events.loaded;
341			this.image.onerror = this.image.onabort = events.failed;
342		},
343		'adopt': function(el) {
344			return el.clone();
345		},
346		'url': function(url) {
347			this.ajax = new Ajax(url, this.options.ajaxOptions);
348			this.ajax.addEvent('onSuccess', function(resp) {
349				this.applyContent(resp);
350				this.ajax = null;
351			}.bind(this));
352			this.ajax.addEvent('onFailure', this.onError.bind(this));
353			this.ajax.request.delay(10, this.ajax);
354		},
355		'iframe': function(url) {
356			return new Element('iframe', {
357				'src': url,
358				'frameBorder': 0,
359				'width': this.options.size.x,
360				'height': this.options.size.y
361			});
362		},
363		'string': function(str) {
364			return str;
365		}
366	},
367
368	extend: $extend
369};
370
371SqueezeBox.extend(SqueezeBox, Events.prototype);
372SqueezeBox.extend(SqueezeBox, Options.prototype);
373SqueezeBox.extend(SqueezeBox, Chain.prototype);