moodalbox.v1.2.full.js
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/******************************************************************/
/* MOOdalBox 1.2.1 */
/* A modal box (inline popup), used to display remote content */
/* loaded using AJAX, written for the mootools framework */
/* by Razvan Brates, razvan [at] e-magine.ro */
/******************************************************************/
/* http://www.e-magine.ro/moodalbox */
/******************************************************************/
/* */
/* MIT style license: */
/* http://en.wikipedia.org/wiki/MIT_License */
/* */
/* mootools found at: */
/* http://mootools.net/ */
/* */
/* Original code based on "Slimbox", by Christophe Beyls: */
/* http://www.digitalia.be/software/slimbox */
/******************************************************************/
// Constants defined here can be changed for easy config / translation
// (defined as vars, because of MSIE's lack of support for const)
var _ERROR_MESSAGE = "Oops.. there was a problem with your request.<br /><br />" +
"Please try again.<br /><br />" +
"<em>Click anywhere to close.</em>"; // the error message displayed when the request has a problem
var _RESIZE_DURATION = 400; // Duration of height and width resizing (ms)
var _INITIAL_WIDTH = 250; // Initial width of the box (px)
var _INITIAL_HEIGHT = 250; // Initial height of the box (px)
var _CONTENTS_WIDTH = 500; // Actual width of the box (px)
var _CONTENTS_HEIGHT = 400; // Actual height of the box (px)
var _DEF_CONTENTS_WIDTH = 500; // Default width of the box (px) - used for resetting when a different setting was used
var _DEF_CONTENTS_HEIGHT = 400; // Default height of the box (px) - used for resetting when a different setting was used
var _ANIMATE_CAPTION = true; // Enable/Disable caption animation
var _EVAL_SCRIPTS = false; // Option to evaluate scripts in the response text
var _EVAL_RESPONSE = false; // Option to evaluate the whole response text
// The MOOdalBox object in its beauty
var MOOdalBox = {
// init the MOOdalBox
init: function (options) {
// init default options
this.options = Object.extend({
resizeDuration: _RESIZE_DURATION,
initialWidth: _INITIAL_WIDTH,
initialHeight: _INITIAL_HEIGHT,
contentsWidth: _CONTENTS_WIDTH,
contentsHeight: _CONTENTS_HEIGHT,
defContentsWidth: _DEF_CONTENTS_WIDTH,
defContentsHeight: _DEF_CONTENTS_HEIGHT,
animateCaption: _ANIMATE_CAPTION,
evalScripts: _EVAL_SCRIPTS,
evalResponse: _EVAL_RESPONSE
}, options || {});
// scan anchors for those opening a MOOdalBox
this.anchors = [];
$A($$('a')).each(function(el){
// we use a regexp to check for links that
// have a rel attribute starting with "moodalbox"
if(el.rel && el.href && el.rel.test('^moodalbox', 'i')) {
el.onclick = this.click.pass(el, this);
this.anchors.push(el);
}
}, this);
// add event listeners
this.eventKeyDown = this.keyboardListener.bindWithEvent(this);
this.eventPosition = this.position.bind(this);
// init the HTML elements
// the overlay (clickable to close)
this.overlay = new Element('div').setProperty('id', 'mb_overlay').injectInside(document.body);
// the center element
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);
// the actual page contents
this.contents = new Element('div').setProperty('id', 'mb_contents').injectInside(this.center);
// the bottom part (caption / close)
this.bottom = new Element('div').setProperty('id', 'mb_bottom').setStyle('display', 'none').injectInside(document.body);
this.closelink = new Element('a').setProperties({id: 'mb_close_link', href: '#'}).injectInside(this.bottom);
this.caption = new Element('div').setProperty('id', 'mb_caption').injectInside(this.bottom);
new Element('div').setStyle('clear', 'both').injectInside(this.bottom);
this.error = new Element('div').setProperty('id', 'mb_error').setHTML(_ERROR_MESSAGE);
// attach the close event to the close button / the overlay
this.closelink.onclick = this.overlay.onclick = this.close.bind(this);
// init the effects
var nextEffect = this.nextEffect.bind(this);
this.fx = {
overlay: this.overlay.effect('opacity', { duration: 500 }).hide(),
resize: this.center.effects({ duration: this.options.resizeDuration, onComplete: nextEffect }),
contents: this.contents.effect('opacity', { duration: 500, onComplete: nextEffect }),
bottom: this.bottom.effects({ duration: 400, onComplete: nextEffect })
};
this.ajaxRequest = Class.empty;
},
click: function(link) {
return this.open (link.href, link.title, link.rel);
},
open: function(sLinkHref, sLinkTitle, sLinkRel) {
this.href = sLinkHref;
this.title = sLinkTitle;
this.rel = sLinkRel;
this.position();
this.setup(true);
this.top = Window.getScrollTop() + (Window.getHeight() / 15);
this.center.setStyles({top: this.top+'px', display: ''});
this.fx.overlay.custom(0.8);
return this.loadContents(sLinkHref);
},
position: function() {
this.overlay.setStyles({top: Window.getScrollTop()+'px', height: Window.getHeight()+'px'});
},
setup: function(open) {
var elements = $A($$('object'));
elements.extend($$(window.ActiveXObject ? 'select' : 'embed'));
elements.each(function(el){ el.style.visibility = open ? 'hidden' : ''; });
var fn = open ? 'addEvent' : 'removeEvent';
window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
document[fn]('keydown', this.eventKeyDown);
this.step = 0;
},
loadContents: function() {
if(this.step) return false;
this.step = 1;
// check to see if there are specified dimensions
// if not, fall back to default values
var aDim = this.rel.match(/[0-9]+/g);
this.options.contentsWidth = (aDim && (aDim[0] > 0)) ? aDim[0] : this.options.defContentsWidth;
this.options.contentsHeight = (aDim && (aDim[1] > 0)) ? aDim[1] : this.options.defContentsHeight;
this.bottom.setStyles({opacity: '0', height: '0px', display: 'none'});
this.center.className = 'mb_loading';
this.fx.contents.hide();
// AJAX call here
var nextEffect = this.nextEffect.bind(this);
var ajaxFailure = this.ajaxFailure.bind(this);
var ajaxOptions = {
method: 'get',
update: this.contents,
evalScripts: this.options.evalScripts,
evalResponse: this.options.evalResponse,
onComplete: nextEffect,
onFailure: ajaxFailure
};
this.ajaxRequest = new Ajax(this.href, ajaxOptions).request();
return false;
},
ajaxFailure: function (){
this.contents.setHTML('');
this.error.clone().injectInside(this.contents);
this.nextEffect();
this.center.setStyle('cursor', 'pointer');
this.bottom.setStyle('cursor', 'pointer');
this.center.onclick = this.bottom.onclick = this.close.bind(this);
},
nextEffect: function() {
switch(this.step++) {
case 1:
// remove previous styling from the elements
// (e.g. styling applied in case of an error)
this.center.className = '';
this.center.setStyle('cursor', 'default');
this.bottom.setStyle('cursor', 'default');
this.center.onclick = this.bottom.onclick = '';
this.caption.setHTML(this.title);
this.contents.setStyles ({width: this.options.contentsWidth + "px", height: this.options.contentsHeight + "px"});
if(this.center.clientHeight != this.contents.offsetHeight) {
this.fx.resize.custom({height: [this.center.clientHeight, this.contents.offsetHeight]});
break;
}
this.step++;
case 2:
if(this.center.clientWidth != this.contents.offsetWidth) {
this.fx.resize.custom({width: [this.center.clientWidth, this.contents.offsetWidth], marginLeft: [-this.center.clientWidth/2, -this.contents.offsetWidth/2]});
break;
}
this.step++;
case 3:
this.bottom.setStyles({top: (this.top + this.center.clientHeight)+'px', width: this.contents.style.width, marginLeft: this.center.style.marginLeft, display: ''});
this.fx.contents.custom(0,1);
break;
case 4:
if(this.options.animateCaption) {
this.fx.bottom.custom({opacity: [0, 1], height: [0, this.bottom.scrollHeight]});
break;
}
this.bottom.setStyles({opacity: '1', height: this.bottom.scrollHeight+'px'});
case 5:
this.step = 0;
}
},
keyboardListener: function(event) {
// close the MOOdalBox when the user presses CTRL + W, CTRL + X, ESC
if ((event.control && event.key == 'w') || (event.control && event.key == 'x') || (event.key == 'esc')) {
this.close();
event.stop();
}
},
close: function() {
if(this.step < 0) return;
this.step = -1;
for(var f in this.fx) this.fx[f].clearTimer();
this.center.style.display = this.bottom.style.display = 'none';
this.center.className = 'mb_loading';
this.fx.overlay.chain(this.setup.pass(false, this)).custom(0);
return false;
}
};
// startup
//Window.onDomReady(MOOdalBox.init.bind(MOOdalBox));
window.addEvent('domready', MOOdalBox.init.bind(MOOdalBox));