js/buttons.js
(function ($) {
$(document).ready(function() {
// jQuery reverse
$.fn.reverse = [].reverse;
// Hover behaviour: make sure this doesn't work on .click-to-toggle FABs!
$(document).on('mouseenter.fixedActionBtn', '.fixed-action-btn:not(.click-to-toggle):not(.toolbar)', function(e) {
var $this = $(this);
openFABMenu($this);
});
$(document).on('mouseleave.fixedActionBtn', '.fixed-action-btn:not(.click-to-toggle):not(.toolbar)', function(e) {
var $this = $(this);
closeFABMenu($this);
});
// Toggle-on-click behaviour.
$(document).on('click.fabClickToggle', '.fixed-action-btn.click-to-toggle > a', function(e) {
var $this = $(this);
var $menu = $this.parent();
if ($menu.hasClass('active')) {
closeFABMenu($menu);
} else {
openFABMenu($menu);
}
});
// Toolbar transition behaviour.
$(document).on('click.fabToolbar', '.fixed-action-btn.toolbar > a', function(e) {
var $this = $(this);
var $menu = $this.parent();
FABtoToolbar($menu);
});
});
$.fn.extend({
openFAB: function() {
openFABMenu($(this));
},
closeFAB: function() {
closeFABMenu($(this));
},
openToolbar: function() {
FABtoToolbar($(this));
},
closeToolbar: function() {
toolbarToFAB($(this));
}
});
var openFABMenu = function (btn) {
var $this = btn;
if ($this.hasClass('active') === false) {
// Get direction option
var horizontal = $this.hasClass('horizontal');
var offsetY, offsetX;
if (horizontal === true) {
offsetX = 40;
} else {
offsetY = 40;
}
$this.addClass('active');
$this.find('ul .btn-floating').velocity(
{ scaleY: ".4", scaleX: ".4", translateY: offsetY + 'px', translateX: offsetX + 'px'},
{ duration: 0 });
var time = 0;
$this.find('ul .btn-floating').reverse().each( function () {
$(this).velocity(
{ opacity: "1", scaleX: "1", scaleY: "1", translateY: "0", translateX: '0'},
{ duration: 80, delay: time });
time += 40;
});
}
};
var closeFABMenu = function (btn) {
var $this = btn;
// Get direction option
var horizontal = $this.hasClass('horizontal');
var offsetY, offsetX;
if (horizontal === true) {
offsetX = 40;
} else {
offsetY = 40;
}
$this.removeClass('active');
var time = 0;
$this.find('ul .btn-floating').velocity("stop", true);
$this.find('ul .btn-floating').velocity(
{ opacity: "0", scaleX: ".4", scaleY: ".4", translateY: offsetY + 'px', translateX: offsetX + 'px'},
{ duration: 80 }
);
};
/**
* Transform FAB into toolbar
* @param {Object} object jQuery object
*/
var FABtoToolbar = function(btn) {
if (btn.attr('data-open') === "true") {
return;
}
var offsetX, offsetY, scaleFactor;
var windowWidth = window.innerWidth;
var windowHeight = window.innerHeight;
var btnRect = btn[0].getBoundingClientRect();
var anchor = btn.find('> a').first();
var menu = btn.find('> ul').first();
var backdrop = $('<div class="fab-backdrop"></div>');
var fabColor = anchor.css('background-color');
anchor.append(backdrop);
offsetX = btnRect.left - (windowWidth / 2) + (btnRect.width / 2);
offsetY = windowHeight - btnRect.bottom;
scaleFactor = windowWidth / backdrop.width();
btn.attr('data-origin-bottom', btnRect.bottom);
btn.attr('data-origin-left', btnRect.left);
btn.attr('data-origin-width', btnRect.width);
// Set initial state
btn.addClass('active');
btn.attr('data-open', true);
btn.css({
'text-align': 'center',
width: '100%',
bottom: 0,
left: 0,
transform: 'translateX(' + offsetX + 'px)',
transition: 'none'
});
anchor.css({
transform: 'translateY(' + -offsetY + 'px)',
transition: 'none'
});
backdrop.css({
'background-color': fabColor
});
setTimeout(function() {
btn.css({
transform: '',
transition: 'transform .2s cubic-bezier(0.550, 0.085, 0.680, 0.530), background-color 0s linear .2s'
});
anchor.css({
overflow: 'visible',
transform: '',
transition: 'transform .2s'
});
setTimeout(function() {
btn.css({
overflow: 'hidden',
'background-color': fabColor
});
backdrop.css({
transform: 'scale(' + scaleFactor + ')',
transition: 'transform .2s cubic-bezier(0.550, 0.055, 0.675, 0.190)'
});
menu.find('> li > a').css({
opacity: 1
});
// Scroll to close.
$(window).on('scroll.fabToolbarClose', function() {
toolbarToFAB(btn);
$(window).off('scroll.fabToolbarClose');
$(document).off('click.fabToolbarClose');
});
$(document).on('click.fabToolbarClose', function(e) {
if (!$(e.target).closest(menu).length) {
toolbarToFAB(btn);
$(window).off('scroll.fabToolbarClose');
$(document).off('click.fabToolbarClose');
}
});
}, 100);
}, 0);
};
/**
* Transform toolbar back into FAB
* @param {Object} object jQuery object
*/
var toolbarToFAB = function(btn) {
if (btn.attr('data-open') !== "true") {
return;
}
var offsetX, offsetY, scaleFactor;
var windowWidth = window.innerWidth;
var windowHeight = window.innerHeight;
var btnWidth = btn.attr('data-origin-width');
var btnBottom = btn.attr('data-origin-bottom');
var btnLeft = btn.attr('data-origin-left');
var anchor = btn.find('> .btn-floating').first();
var menu = btn.find('> ul').first();
var backdrop = btn.find('.fab-backdrop');
var fabColor = anchor.css('background-color');
offsetX = btnLeft - (windowWidth / 2) + (btnWidth / 2);
offsetY = windowHeight - btnBottom;
scaleFactor = windowWidth / backdrop.width();
// Hide backdrop
btn.removeClass('active');
btn.attr('data-open', false);
btn.css({
'background-color': 'transparent',
transition: 'none'
});
anchor.css({
transition: 'none'
});
backdrop.css({
transform: 'scale(0)',
'background-color': fabColor
});
menu.find('> li > a').css({
opacity: ''
});
setTimeout(function() {
backdrop.remove();
// Set initial state.
btn.css({
'text-align': '',
width: '',
bottom: '',
left: '',
overflow: '',
'background-color': '',
transform: 'translate3d(' + -offsetX + 'px,0,0)'
});
anchor.css({
overflow: '',
transform: 'translate3d(0,' + offsetY + 'px,0)'
});
setTimeout(function() {
btn.css({
transform: 'translate3d(0,0,0)',
transition: 'transform .2s'
});
anchor.css({
transform: 'translate3d(0,0,0)',
transition: 'transform .2s cubic-bezier(0.550, 0.055, 0.675, 0.190)'
});
}, 20);
}, 200);
};
}( jQuery ));