74249687
 Luigi Serra
Cross browser con...
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(function ($) {
var methods = {
init : function(options) {
var defaults = {
menuWidth: 240,
edge: 'left',
closeOnClick: false
};
options = $.extend(defaults, options);
$(this).each(function(){
var $this = $(this);
var menu_id = $("#"+ $this.attr('data-activates'));
// Set to width
if (options.menuWidth != 240) {
menu_id.css('width', options.menuWidth);
}
// Add Touch Area
var dragTarget = $('<div class="drag-target"></div>');
$('body').append(dragTarget);
if (options.edge == 'left') {
menu_id.css('left', -1 * (options.menuWidth + 10));
dragTarget.css({'left': 0}); // Add Touch Area
}
else {
menu_id.addClass('right-aligned') // Change text-alignment to right
.css('right', -1 * (options.menuWidth + 10))
.css('left', '');
dragTarget.css({'right': 0}); // Add Touch Area
}
// If fixed sidenav, bring menu out
if (menu_id.hasClass('fixed')) {
if (window.innerWidth > 992) {
menu_id.css('left', 0);
}
}
// Window resize to reset on large screens fixed
if (menu_id.hasClass('fixed')) {
$(window).resize( function() {
if (window.innerWidth > 992) {
// Close menu if window is resized bigger than 992 and user has fixed sidenav
if ($('#sidenav-overlay').css('opacity') !== 0 && menuOut) {
removeMenu(true);
}
else {
menu_id.removeAttr('style');
menu_id.css('width', options.menuWidth);
}
}
else if (menuOut === false){
if (options.edge === 'left')
menu_id.css('left', -1 * (options.menuWidth + 10));
else
menu_id.css('right', -1 * (options.menuWidth + 10));
}
});
}
// if closeOnClick, then add close event for all a tags in side sideNav
if (options.closeOnClick === true) {
menu_id.on("click.itemclick", "a:not(.collapsible-header)", function(){
removeMenu();
});
}
function removeMenu(restoreNav) {
panning = false;
menuOut = false;
// Reenable scrolling
$('body').css('overflow', '');
$('#sidenav-overlay').velocity({opacity: 0}, {duration: 200, queue: false, easing: 'easeOutQuad',
complete: function() {
$(this).remove();
} });
if (options.edge === 'left') {
// Reset phantom div
dragTarget.css({width: '', right: '', left: '0'});
menu_id.velocity(
{left: -1 * (options.menuWidth + 10)},
{ duration: 200,
queue: false,
easing: 'easeOutCubic',
complete: function() {
if (restoreNav === true) {
// Restore Fixed sidenav
menu_id.removeAttr('style');
menu_id.css('width', options.menuWidth);
}
}
});
}
else {
// Reset phantom div
dragTarget.css({width: '', right: '0', left: ''});
menu_id.velocity(
{right: -1 * (options.menuWidth + 10)},
{ duration: 200,
queue: false,
easing: 'easeOutCubic',
complete: function() {
if (restoreNav === true) {
// Restore Fixed sidenav
menu_id.removeAttr('style');
menu_id.css('width', options.menuWidth);
}
}
});
}
}
// Touch Event
var panning = false;
var menuOut = false;
dragTarget.on('click', function(){
removeMenu();
});
dragTarget.hammer({
prevent_default: false
}).bind('pan', function(e) {
if (e.gesture.pointerType == "touch") {
var direction = e.gesture.direction;
var x = e.gesture.center.x;
var y = e.gesture.center.y;
var velocityX = e.gesture.velocityX;
// Disable Scrolling
$('body').css('overflow', 'hidden');
// If overlay does not exist, create one and if it is clicked, close menu
if ($('#sidenav-overlay').length === 0) {
var overlay = $('<div id="sidenav-overlay"></div>');
overlay.css('opacity', 0).click( function(){
removeMenu();
});
$('body').append(overlay);
}
// Keep within boundaries
if (options.edge === 'left') {
if (x > options.menuWidth) { x = options.menuWidth; }
else if (x < 0) { x = 0; }
}
if (options.edge === 'left') {
// Left Direction
if (x < (options.menuWidth / 2)) { menuOut = false; }
// Right Direction
else if (x >= (options.menuWidth / 2)) { menuOut = true; }
menu_id.css('left', (x - options.menuWidth));
}
else {
// Left Direction
if (x < (window.innerWidth - options.menuWidth / 2)) {
menuOut = true;
}
// Right Direction
else if (x >= (window.innerWidth - options.menuWidth / 2)) {
menuOut = false;
}
var rightPos = -1 *(x - options.menuWidth / 2);
if (rightPos > 0) {
rightPos = 0;
}
menu_id.css('right', rightPos);
}
// Percentage overlay
var overlayPerc;
if (options.edge === 'left') {
overlayPerc = x / options.menuWidth;
$('#sidenav-overlay').velocity({opacity: overlayPerc }, {duration: 50, queue: false, easing: 'easeOutQuad'});
}
else {
overlayPerc = Math.abs((x - window.innerWidth) / options.menuWidth);
$('#sidenav-overlay').velocity({opacity: overlayPerc }, {duration: 50, queue: false, easing: 'easeOutQuad'});
}
}
}).bind('panend', function(e) {
if (e.gesture.pointerType == "touch") {
var velocityX = e.gesture.velocityX;
panning = false;
if (options.edge === 'left') {
// If velocityX <= 0.3 then the user is flinging the menu closed so ignore menuOut
if ((menuOut && velocityX <= 0.3) || velocityX < -0.5) {
menu_id.velocity({left: 0}, {duration: 300, queue: false, easing: 'easeOutQuad'});
$('#sidenav-overlay').velocity({opacity: 1 }, {duration: 50, queue: false, easing: 'easeOutQuad'});
dragTarget.css({width: '50%', right: 0, left: ''});
}
else if (!menuOut || velocityX > 0.3) {
// Enable Scrolling
$('body').css('overflow', '');
// Slide menu closed
menu_id.velocity({left: -1 * (options.menuWidth + 10)}, {duration: 200, queue: false, easing: 'easeOutQuad'});
$('#sidenav-overlay').velocity({opacity: 0 }, {duration: 200, queue: false, easing: 'easeOutQuad',
complete: function () {
$(this).remove();
}});
dragTarget.css({width: '10px', right: '', left: 0});
}
}
else {
if ((menuOut && velocityX >= -0.3) || velocityX > 0.5) {
menu_id.velocity({right: 0}, {duration: 300, queue: false, easing: 'easeOutQuad'});
$('#sidenav-overlay').velocity({opacity: 1 }, {duration: 50, queue: false, easing: 'easeOutQuad'});
dragTarget.css({width: '50%', right: '', left: 0});
}
else if (!menuOut || velocityX < -0.3) {
// Enable Scrolling
$('body').css('overflow', '');
// Slide menu closed
menu_id.velocity({right: -1 * (options.menuWidth + 10)}, {duration: 200, queue: false, easing: 'easeOutQuad'});
$('#sidenav-overlay').velocity({opacity: 0 }, {duration: 200, queue: false, easing: 'easeOutQuad',
complete: function () {
$(this).remove();
}});
dragTarget.css({width: '10px', right: 0, left: ''});
}
}
}
});
$this.click(function() {
if (menuOut === true) {
menuOut = false;
panning = false;
removeMenu();
}
else {
// Disable Scrolling
$('body').css('overflow', 'hidden');
// Push current drag target on top of DOM tree
$('body').append(dragTarget);
if (options.edge === 'left') {
dragTarget.css({width: '50%', right: 0, left: ''});
menu_id.velocity({left: 0}, {duration: 300, queue: false, easing: 'easeOutQuad'});
}
else {
dragTarget.css({width: '50%', right: '', left: 0});
menu_id.velocity({right: 0}, {duration: 300, queue: false, easing: 'easeOutQuad'});
menu_id.css('left','');
}
var overlay = $('<div id="sidenav-overlay"></div>');
overlay.css('opacity', 0)
.click(function(){
menuOut = false;
panning = false;
removeMenu();
overlay.velocity({opacity: 0}, {duration: 300, queue: false, easing: 'easeOutQuad',
complete: function() {
$(this).remove();
} });
});
$('body').append(overlay);
overlay.velocity({opacity: 1}, {duration: 300, queue: false, easing: 'easeOutQuad',
complete: function () {
menuOut = true;
panning = false;
}
});
}
return false;
});
});
},
show : function() {
this.trigger('click');
},
hide : function() {
$('#sidenav-overlay').trigger('click');
}
};
$.fn.sideNav = function(methodOrOptions) {
if ( methods[methodOrOptions] ) {
return methods[ methodOrOptions ].apply( this, Array.prototype.slice.call( arguments, 1 ));
} else if ( typeof methodOrOptions === 'object' || ! methodOrOptions ) {
// Default to "init"
return methods.init.apply( this, arguments );
} else {
$.error( 'Method ' + methodOrOptions + ' does not exist on jQuery.sideNav' );
}
}; // Plugin end
}( jQuery ));
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