A simple notifications widget. Items' date are auto-generated every time. There are built-in calculations for missed events and today's events. There is also a dismiss functionality.
Next step: snooze feature.
<button type="button" class="button-default show-notifications active js-show-notifications"> | |
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="30" height="32" viewBox="0 0 30 32"> | |
<defs> | |
<g id="icon-bell"> | |
<path class="path1" d="M15.143 30.286q0-0.286-0.286-0.286-1.054 0-1.813-0.759t-0.759-1.813q0-0.286-0.286-0.286t-0.286 0.286q0 1.304 0.92 2.223t2.223 0.92q0.286 0 0.286-0.286zM3.268 25.143h23.179q-2.929-3.232-4.402-7.348t-1.473-8.652q0-4.571-5.714-4.571t-5.714 4.571q0 4.536-1.473 8.652t-4.402 7.348zM29.714 25.143q0 0.929-0.679 1.607t-1.607 0.679h-8q0 1.893-1.339 3.232t-3.232 1.339-3.232-1.339-1.339-3.232h-8q-0.929 0-1.607-0.679t-0.679-1.607q3.393-2.875 5.125-7.098t1.732-8.902q0-2.946 1.714-4.679t4.714-2.089q-0.143-0.321-0.143-0.661 0-0.714 0.5-1.214t1.214-0.5 1.214 0.5 0.5 1.214q0 0.339-0.143 0.661 3 0.357 4.714 2.089t1.714 4.679q0 4.679 1.732 8.902t5.125 7.098z" /> | |
</g> | |
</defs> | |
<g fill="#000000"> | |
<use xlink:href="#icon-bell" transform="translate(0 0)"></use> | |
</g> | |
</svg> | |
<div class="notifications-count js-count"></div> | |
</button> |
$(function () { | |
var today = new Date(); | |
var items = generateItems(today); | |
refreshNotifications(items, today); | |
}); | |
function refreshNotifications(items, today) { | |
items = items || []; | |
today = today || newDate(); | |
var cssTransitionEnd = getTransitionEnd(); | |
var container = $('body'); | |
items.forEach(function(item) { | |
item.isExpired = item.date < today; | |
item.isToday = (item.date.getFullYear() === today.getFullYear()) && | |
(item.date.getMonth() === today.getMonth()) && | |
(item.date.getDate() === today.getDate()); | |
item.formattedDate = function() { | |
if (this.isToday) { | |
return timeToString(this.date); | |
} else { | |
return this.date.getFullYear() + '-' + | |
strpad(this.date.getMonth() + 1) + '-' + | |
strpad(this.date.getDate()); | |
} | |
}; | |
}); | |
items.sort(function(a, b) { | |
if (a.isExpired === b.isExpired) { | |
return a.date - b.date; | |
} else { | |
return (b.isExpired ? 0 : 1) - (a.isExpired ? 0 : 1); | |
} | |
}); | |
var template = | |
'<div class="notifications js-notifications">' + | |
'<h3>Notifications</h3>' + | |
'<ul class="notifications-list">' + | |
'<li class="item no-data">You don\'t have notifications</li>' + | |
'{{#items}}' + | |
'<li class="item js-item {{#isExpired}}expired{{/isExpired}}" data-id="{{id}}">' + | |
'<div class="details">' + | |
'<span class="title">{{title}}</span>' + | |
'<span class="date">{{formattedDate}}</span>' + | |
'</div>' + | |
'<button type="button" class="button-default button-dismiss js-dismiss">×</button>' + | |
'</li>' + | |
'{{/items}}' + | |
'</ul>' + | |
'<a href="#" class="show-all">Show all notifications</a>' + | |
'</div>'; | |
container | |
.append(Mustache.render(template, { items: items })) | |
.find('.js-count').attr('data-count', items.length).html(items.length).end() | |
.on('click', '.js-show-notifications', function(event) { | |
$(event.currentTarget).closest('.js-show-notifications').toggleClass('active').blur(); | |
return true; | |
}) | |
.on('click', '.js-dismiss', function(event) { | |
var item = $(event.currentTarget).parents('.js-item'); | |
var removeItem = function() { | |
item[0].removeEventListener(cssTransitionEnd, removeItem, false); | |
item.remove(); | |
/* update notifications' counter */ | |
var countElement = container.find('.js-count'); | |
var prevCount = +countElement.attr('data-count'); | |
var newCount = prevCount - 1; | |
countElement | |
.attr('data-count', newCount) | |
.html(newCount); | |
if(newCount === 0) { | |
countElement.remove(); | |
container.find('.js-notifications').addClass('empty'); | |
} | |
}; | |
item[0].addEventListener(cssTransitionEnd, removeItem, false); | |
item.addClass('dismissed'); | |
return true; | |
}); | |
} | |
function generateItems(today) { | |
today = today || newDate(); | |
return [ | |
{ id: 1, title: 'Meeting with Ben\'s agent.', date: randomDate() }, | |
{ id: 2, title: 'Papers review with Tonny.', date: randomDate(addMinutes(today, -60), addMinutes(today, 60)) }, | |
{ id: 3, title: 'Annual party at Eric\'s house.', date: randomDate() }, | |
{ id: 4, title: 'Last day to pay off auto credit.', date: randomDate() }, | |
{ id: 5, title: 'Call and schedule another meeting with Amanda.', date: randomDate(addMinutes(today, -360), addMinutes(today, 360)) }, | |
{ id: 6, title: 'Don\'t forget to send in financial reports.', date: randomDate() } | |
]; | |
} | |
function randomDate(start, end) { | |
start = start || (new Date(2014, 0, 1)); | |
end = end || (new Date(2015, 0, 1)); | |
return new Date(start.getTime() + Math.random() * (end.getTime() - start.getTime())); | |
} | |
function addMinutes(date, minutes) { | |
return new Date(date.getTime() + minutes * 60000); | |
} | |
function timeToString(date) { | |
if (date) { | |
var hh = date.getHours(); | |
var mm = date.getMinutes(); | |
var ap = hh >= 12 ? 'PM' : 'AM'; | |
hh = (hh >= 12) ? (hh - 12) : hh; | |
hh = (hh === 0) ? 12 : hh; | |
return (hh < 10 ? '0' : '') + hh.toString() + ':' + | |
(mm < 10 ? '0' : '') + mm.toString() + ' ' + ap; | |
} | |
return null; | |
} | |
function strpad(num) { | |
if (parseInt(num) < 10) { | |
return '0' + parseInt(num); | |
} else { | |
return parseInt(num); | |
} | |
} | |
function getTransitionEnd() { | |
var supportedStyles = window.document.createElement('fake').style; | |
var properties = { | |
'webkitTransition': { 'end': 'webkitTransitionEnd' }, | |
'oTransition': { 'end': 'oTransitionEnd' }, | |
'msTransition': { 'end': 'msTransitionEnd' }, | |
'transition': { 'end': 'transitionend' } | |
}; | |
var match = null; | |
Object.getOwnPropertyNames(properties).forEach(function(name) { | |
if (!match && name in supportedStyles) { | |
match = name; | |
return; | |
} | |
}); | |
return (properties[match] || {}).end; | |
} |
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> | |
<script src="//cdnjs.cloudflare.com/ajax/libs/mustache.js/0.7.2/mustache.min.js"></script> |
@import url(http://fonts.googleapis.com/css?family=Lato:700); | |
*, | |
*:after, | |
*:before | |
{ | |
-moz-box-sizing: border-box; | |
-webkit-box-sizing: border-box; | |
box-sizing: border-box; | |
} | |
html, | |
body | |
{ | |
background: @colorWhite; | |
color: @colorWhite; | |
font-family: 'Lato'; | |
font-size: 14px; | |
padding: 10px; | |
position: relative; | |
} | |
.button-default | |
{ | |
.transition(@transitionDefault color); | |
background: transparent; | |
border: none; | |
cursor: pointer; | |
margin: 0; | |
outline: none; | |
position: relative; | |
} | |
.show-notifications | |
{ | |
position: relative; | |
&:hover, | |
&:focus, | |
&.active | |
{ | |
#icon-bell | |
{ | |
fill: @colorWetAsphalt; | |
} | |
} | |
#icon-bell | |
{ | |
fill: @colorAsbestos; | |
} | |
.notifications-count | |
{ | |
.border-radius(50%); | |
background: @colorPeterRiver; | |
color: @colorWhite; | |
font: normal .85em 'Lato'; | |
height: 16px; | |
line-height: 1.75em; | |
position: absolute; | |
right: 2px; | |
text-align: center; | |
top: -2px; | |
width: 16px; | |
} | |
&.active ~ .notifications | |
{ | |
opacity: 1; | |
top: 60px; | |
} | |
} | |
.notifications | |
{ | |
.border-radius(@borderRadius); | |
.transition(@transitionDefault opacity); | |
background: #fff; | |
border: 1px solid @colorSilver; | |
left: 10px; | |
opacity: 0; | |
position: absolute; | |
top: -999px; | |
&:after | |
{ | |
border: 10px solid transparent; | |
border-bottom-color: @colorPeterRiver; | |
content: ''; | |
display: block; | |
height: 0; | |
left: 10px; | |
position: absolute; | |
top: -20px; | |
width: 0; | |
} | |
h3, | |
.show-all | |
{ | |
background: @colorPeterRiver; | |
color: @colorWhite; | |
margin: 0; | |
padding: 10px; | |
width: 350px; | |
} | |
h3 | |
{ | |
cursor: default; | |
font-size: 1.05em; | |
font-weight: normal; | |
} | |
.show-all | |
{ | |
display: block; | |
text-align: center; | |
text-decoration: none; | |
&:hover, | |
&:focus | |
{ | |
text-decoration: underline; | |
} | |
} | |
.notifications-list | |
{ | |
list-style: none; | |
margin: 0; | |
overflow: hidden; | |
padding: 0; | |
.item | |
{ | |
.transition-transform(@transitionDefault); | |
border-top: 1px solid @colorSilver; | |
color: @colorAsbestos; | |
cursor: default; | |
display: block; | |
padding: 10px; | |
position: relative; | |
white-space: nowrap; | |
width: 350px; | |
&:before, | |
.details, | |
.button-dismiss | |
{ | |
display: inline-block; | |
vertical-align: middle; | |
} | |
&:before | |
{ | |
.border-radius(50%); | |
background: @colorPeterRiver; | |
content: ''; | |
height: 8px; | |
width: 8px; | |
} | |
.details | |
{ | |
margin-left: 10px; | |
white-space: normal; | |
width: 280px; | |
.title, | |
.date | |
{ | |
display: block; | |
} | |
.date | |
{ | |
color: @colorConcrete; | |
font-size: .85em; | |
margin-top: 3px; | |
} | |
} | |
.button-dismiss | |
{ | |
color: @colorSilver; | |
font-size: 2.25em; | |
&:hover, | |
&:focus | |
{ | |
color: @colorConcrete; | |
} | |
} | |
&.no-data | |
{ | |
display: none; | |
text-align: center; | |
&:before | |
{ | |
display: none; | |
} | |
} | |
&.expired | |
{ | |
color: @colorSilver; | |
&:before | |
{ | |
background: @colorSilver; | |
} | |
.details | |
{ | |
.date | |
{ | |
color: @colorSilver; | |
} | |
} | |
} | |
&.dismissed | |
{ | |
.transform(translateX(100%)); | |
} | |
} | |
} | |
&.empty | |
{ | |
.notifications-list | |
{ | |
.no-data | |
{ | |
display: block; | |
padding: 10px; | |
} | |
} | |
} | |
} | |
/* variables */ | |
@colorClouds: #ecf0f1; | |
@colorSilver: #bdc3c7; | |
@colorWhite: #fefefe; | |
@colorPeterRiver: #222; | |
@colorConcrete: #95a5a6; | |
@colorAsbestos: #7f8c8d; | |
@colorWetAsphalt: #34495e; | |
@borderRadius: 3px; | |
@transitionDefault: 0.25s ease-out 0.10s; | |
/* mixins */ | |
.background-clip(@value: border-box) | |
{ | |
-moz-background-clip: @value; | |
-webkit-background-clip: @value; | |
background-clip: @value; | |
} | |
.border-radius(@value: 3px) | |
{ | |
-moz-border-radius: @value; | |
-webkit-border-radius: @value; | |
border-radius: @value; | |
.background-clip(padding-box); | |
} | |
.transform(@value) | |
{ | |
-webkit-transform: @value; | |
-moz-transform: @value; | |
-ms-transform: @value; | |
-o-transform: @value; | |
transform: @value; | |
} | |
.transition(@value: all 0.25s ease-out) | |
{ | |
-webkit-transition: @value; | |
-moz-transition: @value; | |
-o-transition: @value; | |
transition: @value; | |
} | |
.transition-transform(@transition: 0.25s ease-out) | |
{ | |
-webkit-transition: -webkit-transform @transition; | |
-moz-transition: -moz-transform @transition; | |
-o-transition: -o-transform @transition; | |
transition: transform @transition; | |
} |