https://velte-steinmetz.de/neu-Dateien/moodalbox.js

1/******************************************************************/
2/*                        MOOdalBox 1.2.1                         */
3/* A modal box (inline popup), used to display remote content     */
4/* loaded using AJAX, written for the mootools framework          */
5/*         by Razvan Brates, razvan [at] e-magine.ro              */
6/******************************************************************/
7/*               http://www.e-magine.ro/moodalbox                 */
8/******************************************************************/
9/*                                                                */
10/* MIT style license:                                             */
11/* http://en.wikipedia.org/wiki/MIT_License                       */
12/*                                                                */
13/* mootools found at:                                             */
14/* http://mootools.net/                                           */
15/*                                                                */
16/* Original code based on "Slimbox", by Christophe Beyls:         */
17/* http://www.digitalia.be/software/slimbox                       */
18/******************************************************************/
19
20// Constants defined here can be changed for easy config / translation
21// (defined as vars, because of MSIE's lack of support for const)
22
23var _ERROR_MESSAGE = "Oops.. there was a problem with your request.<br /><br />" +
24					"Please try again.<br /><br />" +
25					"<em>Click anywhere to close.</em>"; // the error message displayed when the request has a problem
26var _RESIZE_DURATION 		= 400; 		// Duration of height and width resizing (ms)
27var _INITIAL_WIDTH			= 250;		// Initial width of the box (px)
28var _INITIAL_HEIGHT			= 250;		// Initial height of the box (px)
29var _CONTENTS_WIDTH 		= 930;		// Actual width of the box (px)
30var _CONTENTS_HEIGHT		= 470;		// Actual height of the box (px)
31var _DEF_CONTENTS_WIDTH		= 500;		// Default width of the box (px) - used for resetting when a different setting was used
32var _DEF_CONTENTS_HEIGHT	= 400;		// Default height of the box (px) - used for resetting when a different setting was used
33var _ANIMATE_CAPTION		= true;		// Enable/Disable caption animation
34var _EVAL_SCRIPTS			= false;	// Option to evaluate scripts in the response text
35var _EVAL_RESPONSE			= false;	// Option to evaluate the whole response text
36
37// The MOOdalBox object in its beauty
38var MOOdalBox = {
39	
40	// init the MOOdalBox
41	init: function (options) {
42		
43		// init default options
44		this.options = Object.extend({
45			resizeDuration: 	_RESIZE_DURATION,
46			initialWidth: 		_INITIAL_WIDTH,	
47			initialHeight: 		_INITIAL_HEIGHT,
48			contentsWidth: 		_CONTENTS_WIDTH,
49			contentsHeight: 	_CONTENTS_HEIGHT,
50			defContentsWidth: 	_DEF_CONTENTS_WIDTH,
51			defContentsHeight: 	_DEF_CONTENTS_HEIGHT,
52			animateCaption: 	_ANIMATE_CAPTION,
53			evalScripts: 		_EVAL_SCRIPTS,
54			evalResponse: 		_EVAL_RESPONSE
55		}, options || {});
56		
57		// scan anchors for those opening a MOOdalBox
58		this.anchors = [];
59		$A($$('a')).each(function(el){
60			// we use a regexp to check for links that 
61			// have a rel attribute starting with "moodalbox"
62			if(el.rel && el.href && el.rel.test('^moodalbox', 'i')) {
63				el.onclick = this.click.pass(el, this);
64				this.anchors.push(el);
65			}
66		}, this);
67		
68		// add event listeners
69		this.eventKeyDown = this.keyboardListener.bindWithEvent(this);
70		this.eventPosition = this.position.bind(this);
71		
72		// init the HTML elements
73		// the overlay (clickable to close)
74		this.overlay = new Element('div').setProperty('id', 'mb_overlay').injectInside(document.body);
75		// the center element
76		this.center = new Element('div').setProperty('id', 'mb_center').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(document.body);
77		// the actual page contents
78		this.contents = new Element('div').setProperty('id', 'mb_contents').injectInside(this.center);
79
80		// the bottom part (caption / close)
81		this.bottom = new Element('div').setProperty('id', 'mb_bottom').setStyle('display', 'none').injectInside(document.body);

82		this.closelink = new Element('a').setProperties({id: 'mb_close_link', href: '#'}).injectInside(this.bottom);
83		this.caption = new Element('div').setProperty('id', 'mb_caption').injectInside(this.bottom);
84		new Element('div').setStyle('clear', 'both').injectInside(this.bottom);
85		
86		this.error = new Element('div').setProperty('id', 'mb_error').setHTML(_ERROR_MESSAGE);
87		
88		// attach the close event to the close button / the overlay
89		this.closelink.onclick = this.overlay.onclick = this.close.bind(this);
90		
91		// init the effects
92		var nextEffect = this.nextEffect.bind(this);
93		this.fx = {
94			overlay: 	this.overlay.effect('opacity', { duration: 500 }).hide(),
95			resize: 	this.center.effects({ duration: this.options.resizeDuration, onComplete: nextEffect }),
96			contents: 	this.contents.effect('opacity', { duration: 500, onComplete: nextEffect }),
97			bottom: 	this.bottom.effects({ duration: 400, onComplete: nextEffect })
98		};
99		
100		this.ajaxRequest = Class.empty;
101
102	},
103	
104	click: function(link) {
105		return this.open (link.href, link.title, link.rel);
106	},
107
108	open: function(sLinkHref, sLinkTitle, sLinkRel) {
109		this.href = sLinkHref;
110		this.title = sLinkTitle;
111		this.rel = sLinkRel;
112		this.position();
113		this.setup(true);
114		this.top = Window.getScrollTop() + (Window.getHeight() / 15);
115		this.center.setStyles({top: this.top+'px', display: ''});
116		this.fx.overlay.custom(0.8);
117		return this.loadContents(sLinkHref);
118	},
119
120	position: function() {
121		this.overlay.setStyles({top: Window.getScrollTop()+'px', height: Window.getHeight()+'px'});
122	},
123
124	setup: function(open) {
125		var elements = $A($$('object'));
126		elements.extend($$(window.ActiveXObject ? 'select' : 'embed'));
127		elements.each(function(el){ el.style.visibility = open ? 'hidden' : ''; });
128		var fn = open ? 'addEvent' : 'removeEvent';
129		window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
130		document[fn]('keydown', this.eventKeyDown);
131		this.step = 0;
132	},
133	
134	loadContents: function() {		
135		if(this.step) return false;
136		this.step = 1;
137		
138		// check to see if there are specified dimensions
139		// if not, fall back to default values
140		var aDim = this.rel.match(/[0-9]+/g);
141		this.options.contentsWidth = (aDim && (aDim[0] > 0)) ? aDim[0] : this.options.defContentsWidth;
142		this.options.contentsHeight = (aDim && (aDim[1] > 0)) ? aDim[1] : this.options.defContentsHeight;
143						
144		this.bottom.setStyles({opacity: '0', height: '0px', display: 'none'});
145		this.center.className = 'mb_loading';
146		
147		this.fx.contents.hide();
148		
149		// AJAX call here
150		var nextEffect = this.nextEffect.bind(this);
151		var ajaxFailure = this.ajaxFailure.bind(this);
152		var ajaxOptions = {
153			method: 		'get',
154			update: 		this.contents, 
155			evalScripts: 	this.options.evalScripts,
156			evalResponse: 	this.options.evalResponse,
157			onComplete: 	nextEffect, 
158			onFailure: 		ajaxFailure
159			};
160		this.ajaxRequest = new Ajax(this.href, ajaxOptions).request();
161				
162		return false;
163	},
164	
165	ajaxFailure: function (){
166		this.contents.setHTML('');
167		this.error.clone().injectInside(this.contents);
168		this.nextEffect();
169		this.center.setStyle('cursor', 'pointer');
170		this.bottom.setStyle('cursor', 'pointer');
171		this.center.onclick = this.bottom.onclick = this.close.bind(this);		
172	},
173	
174	nextEffect: function() {
175		switch(this.step++) {
176		case 1:
177			// remove previous styling from the elements 
178			// (e.g. styling applied in case of an error)
179			this.center.className = '';
180			this.center.setStyle('cursor', 'default');
181			this.bottom.setStyle('cursor', 'default');
182			this.center.onclick = this.bottom.onclick = '';
183			this.caption.setHTML(this.title);
184			
185			this.contents.setStyles ({width: this.options.contentsWidth + "px", height: this.options.contentsHeight + "px"});
186
187			if(this.center.clientHeight != this.contents.offsetHeight) {
188				this.fx.resize.custom({height: [this.center.clientHeight, this.contents.offsetHeight]});
189				break;
190			}
191			this.step++;
192					
193		case 2:
194			if(this.center.clientWidth != this.contents.offsetWidth) {
195				this.fx.resize.custom({width: [this.center.clientWidth, this.contents.offsetWidth], marginLeft: [-this.center.clientWidth/2, -this.contents.offsetWidth/2]});
196				break;
197			}
198			this.step++;
199		
200		case 3:
201			this.bottom.setStyles({top: (this.top + this.center.clientHeight)+'px', width: this.contents.style.width, marginLeft: this.center.style.marginLeft, display: ''});
202			this.fx.contents.custom(0,1);
203			break;
204		
205		case 4:
206			if(this.options.animateCaption) {
207				this.fx.bottom.custom({opacity: [0, 1], height: [0, this.bottom.scrollHeight]});
208				break;
209			}
210			this.bottom.setStyles({opacity: '1', height: this.bottom.scrollHeight+'px'});
211
212		case 5:
213			this.step = 0;
214		}
215	},
216	
217	

218	keyboardListener: function(event) {
219		// close the MOOdalBox when the user presses CTRL + W, CTRL + X, ESC
220		if ((event.control && event.key == 'w') || (event.control && event.key == 'x') || (event.key == 'esc')) {
221			this.close();
222			event.stop();
223		}		
224	},
225	
226	close: function() {
227		if(this.step < 0) return;
228		this.step = -1;
229		for(var f in this.fx) this.fx[f].clearTimer();
230		this.center.style.display = this.bottom.style.display = 'none';
231		this.center.className = 'mb_loading';
232		this.fx.overlay.chain(this.setup.pass(false, this)).custom(0);
233		return false;
234	}
235		
236};
237
238// startup
239Window.onDomReady(MOOdalBox.init.bind(MOOdalBox));