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/**
* dialogFx.js v1.0.0
* http://www.codrops.com
*
* Licensed under the MIT license.
* http://www.opensource.org/licenses/mit-license.php
*
* Copyright 2014, Codrops
* http://www.codrops.com
*/
;( function( window ) {
'use strict';
var support = { animations : Modernizr.cssanimations },
animEndEventNames = { 'WebkitAnimation' : 'webkitAnimationEnd', 'OAnimation' : 'oAnimationEnd', 'msAnimation' : 'MSAnimationEnd', 'animation' : 'animationend' },
animEndEventName = animEndEventNames[ Modernizr.prefixed( 'animation' ) ],
onEndAnimation = function( el, callback ) {
var onEndCallbackFn = function( ev ) {
if( support.animations ) {
if( ev.target != this ) return;
this.removeEventListener( animEndEventName, onEndCallbackFn );
}
if( callback && typeof callback === 'function' ) { callback.call(); }
};
if( support.animations ) {
el.addEventListener( animEndEventName, onEndCallbackFn );
}
else {
onEndCallbackFn();
}
};
function extend( a, b ) {
for( var key in b ) {
if( b.hasOwnProperty( key ) ) {
a[key] = b[key];
}
}
return a;
}
function DialogFx( el, options ) {
this.el = el;
this.options = extend( {}, this.options );
extend( this.options, options );
this.ctrlClose = this.el.querySelector( '[data-dialog-close]' );
this.isOpen = false;
this._initEvents();
}
DialogFx.prototype.options = {
// callbacks
onOpenDialog : function() { return false; },
onCloseDialog : function() { return false; }
}
DialogFx.prototype._initEvents = function() {
var self = this;
// close action
this.ctrlClose.addEventListener( 'click', this.toggle.bind(this) );
// esc key closes dialog
document.addEventListener( 'keydown', function( ev ) {
var keyCode = ev.keyCode || ev.which;
if( keyCode === 27 && self.isOpen ) {
self.toggle();
}
} );
this.el.querySelector( '.dialog__overlay' ).addEventListener( 'click', this.toggle.bind(this) );
}
DialogFx.prototype.toggle = function() {
var self = this;
if( this.isOpen ) {
classie.remove( this.el, 'dialog--open' );
classie.add( self.el, 'dialog--close' );
onEndAnimation( this.el.querySelector( '.dialog__content' ), function() {
classie.remove( self.el, 'dialog--close' );
} );
// callback on close
this.options.onCloseDialog( this );
}
else {
classie.add( this.el, 'dialog--open' );
// callback on open
this.options.onOpenDialog( this );
}
this.isOpen = !this.isOpen;
};
// add to global namespace
window.DialogFx = DialogFx;
})( window );