codice:
/*
* jQuery pageSlide
* Version 2.0
* http://srobbin.com/jquery-pageslide/
*
* jQuery Javascript plugin which slides a webpage over to reveal an additional interaction pane.
*
* Copyright (c) 2011 Scott Robbin (srobbin.com)
* Dual licensed under the MIT and GPL licenses.
*/
;(function($){
// Convenience vars for accessing elements
var $body = $('body'),
$pageslide = $('#pageslide');
var _sliding = false, // Mutex to assist closing only once
_lastCaller; // Used to keep track of last element to trigger pageslide
// If the pageslide element doesn't exist, create it
if( $pageslide.length == 0 ) {
$pageslide = $('<div />').attr( 'id', 'pageslide' )
.css( 'display', 'none' )
.appendTo( $('body') );
}
/*
* Private methods
*/
function _load( url, useIframe ) {
// Are we loading an element from the page or a URL?
if ( url.indexOf("#") === 0 ) {
// Load a page element
$(url).clone(true).appendTo( $pageslide.empty() ).show();
} else {
// Load a URL. Into an iframe?
if( useIframe ) {
var iframe = $("<iframe />").attr({
src: url,
frameborder: 0,
hspace: 0
})
.css({
width: "100%",
height: "100%"
});
$pageslide.html( iframe );
} else {
$pageslide.load( url );
}
$pageslide.data( 'localEl', false );
}
}
// Function that controls opening of the pageslide
function _start( direction, speed ) {
var slideWidth = $pageslide.outerWidth( true ),
bodyAnimateIn = {},
slideAnimateIn = {};
// If the slide is open or opening, just ignore the call
if( $pageslide.is(':visible') || _sliding ) return;
_sliding = true;
switch( direction ) {
case 'left':
$pageslide.css({ left: 'auto', right: '-' + slideWidth + 'px' });
bodyAnimateIn['margin-left'] = '-=' + slideWidth;
slideAnimateIn['right'] = '+=' + slideWidth;
break;
default:
$pageslide.css({ left: '-' + slideWidth + 'px', right: 'auto' });
bodyAnimateIn['margin-left'] = '+=' + slideWidth;
slideAnimateIn['left'] = '+=' + slideWidth;
break;
}
// Animate the slide, and attach this slide's settings to the element
$body.animate(bodyAnimateIn, speed);
$pageslide.show()
.animate(slideAnimateIn, speed, function() {
_sliding = false;
});
}
/*
* Declaration
*/
$.fn.pageslide = function(options) {
var $elements = this;
// On click
$elements.click( function(e) {
var $self = $(this),
settings = $.extend({ href: $self.attr('href') }, options);
// Prevent the default behavior and stop propagation
e.preventDefault();
e.stopPropagation();
if ( $pageslide.is(':visible') && $self[0] == _lastCaller ) {
// If we clicked the same element twice, toggle closed
$.pageslide.close();
} else {
// Open
$.pageslide( settings );
// Record the last element to trigger pageslide
_lastCaller = $self[0];
}
});
};
/*
* Default settings
*/
$.fn.pageslide.defaults = {
speed: 200, // Accepts standard jQuery effects speeds (i.e. fast, normal or milliseconds)
direction: 'right', // Accepts 'left' or 'right'
modal: false, // If set to true, you must explicitly close pageslide using $.pageslide.close();
iframe: true, // By default, linked pages are loaded into an iframe. Set this to false if you don't want an iframe.
href: null // Override the source of the content. Optional in most cases, but required when opening pageslide programmatically.
};
/*
* Public methods
*/
// Open the pageslide
$.pageslide = function( options ) {
// Extend the settings with those the user has provided
var settings = $.extend({}, $.fn.pageslide.defaults, options);
// Are we trying to open in different direction?
if( $pageslide.is(':visible') && $pageslide.data( 'direction' ) != settings.direction) {
$.pageslide.close(function(){
_load( settings.href, settings.iframe );
_start( settings.direction, settings.speed );
});
} else {
_load( settings.href, settings.iframe );
if( $pageslide.is(':hidden') ) {
_start( settings.direction, settings.speed );
}
}
$pageslide.data( settings );
}
// Close the pageslide
$.pageslide.close = function( callback ) {
var $pageslide = $('#pageslide'),
slideWidth = $pageslide.outerWidth( true ),
speed = $pageslide.data( 'speed' ),
bodyAnimateIn = {},
slideAnimateIn = {}
// If the slide isn't open, just ignore the call
if( $pageslide.is(':hidden') || _sliding ) return;
_sliding = true;
switch( $pageslide.data( 'direction' ) ) {
case 'left':
bodyAnimateIn['margin-left'] = '+=' + slideWidth;
slideAnimateIn['right'] = '-=' + slideWidth;
break;
default:
bodyAnimateIn['margin-left'] = '-=' + slideWidth;
slideAnimateIn['left'] = '-=' + slideWidth;
break;
}
$pageslide.animate(slideAnimateIn, speed);
$body.animate(bodyAnimateIn, speed, function() {
$pageslide.hide();
_sliding = false;
if( typeof callback != 'undefined' ) callback();
});
}
/* Events */
// Don't let clicks to the pageslide close the window
$pageslide.click(function(e) {
e.stopPropagation();
});
// Close the pageslide if the document is clicked or the users presses the ESC key, unless the pageslide is modal
$(document).bind('click keyup', function(e) {
// If this is a keyup event, let's see if it's an ESC key
if( e.type == "keyup" && e.keyCode != 27) return;
// Make sure it's visible, and we're not modal
if( $pageslide.is( ':visible' ) && !$pageslide.data( 'modal' ) ) {
$.pageslide.close();
}
});
})(jQuery);
Rispondi quotando
