Having packery grid items have opacity layer over them for hovering - javascript

I am trying to mimic this animation over my grid items in my packery grid when the user hovers over them (note the grid items contain background images):
http://thefoxwp.com/portfolio-packery-4-columns/
To do this they use the technique highlighted here:
https://jsfiddle.net/q0d2rqt0/5/
where a overlay div is hidden underneath another div to act like another layer on top of it:
.box {
position: absolute;
//background: blue;
width: 100%;
height: 100%;
background-image: url("http://lorempixel.com/380/222/nature");
}
.overlay {
position: absolute;
z-index: 1;
opacity: 0;
width: 100%;
height: 100%;
background: white;
-webkit-transition: opacity 0.25s ease-out;
-moz-transition: opacity 0.25s ease-out;
-o-transition: opacity 0.25s ease-out;
transition: opacity 0.25s ease-out;
}
.overlay:hover {
opacity: 1.0;
}
<div class="wrapper">
<div class="box">
</div>
<div class="overlay">
</div>
</div>
I am trying to accomplish this with my packery grid, but I am unsure how I can accomplish this because I do not know how to make my overlay div layer move along with my packery grid when it acts responsively.
I can identify the hover effect over each item in the grid fine with:
$container.on('mouseenter', ".item", function (event) {
var target = event.target;
var $target = $(target);
//code here to make the opacity adjustment to white on hover on
});
$container.on('mouseleave', ".item-", function (event) {
var target = event.target;
var $target = $(target);
//code here to make the opacity adjustment reverse when hover away
});
So I have identified the hovering mechanism here with the correct grid item no matter where its location is, but I am having trouble with the CSS to make the opacity go to white on hover without an overlay div layer.
Item Css:
.item1 {
padding: 5px;
width: 250px;
height: 250px;
-webkit-filter: saturate(1);
filter: saturate(1);
}
.item-content1 {
width: 100%;
height: 100%;
background-size: 100% 100%;
border:1px solid #021a40;
-webkit-transition: width 0.4s, height 0.4s;
-moz-transition: width 0.4s, height 0.4s;
-o-transition: width 0.4s, height 0.4s;
transition: width 0.4s, height 0.4s;
}
.item1.is-expanded {
width: 375px;
height: 400px;
}
.item1:hover {
cursor: pointer;
}
.item1:hover .item-content1 {
}
.item1.is-expanded {
z-index: 2;
}
.item1.is-expanded .item-content1 {
}
.item1.is-viewed {
opacity: 0.8;
-webkit-filter: sepia(1) hue-rotate(200deg);
filter: sepia(1) hue-rotate(200deg);
}
Any idea? Can I simply add something to image: hover with a webkit transition? Am I misunderstanding the concept of an opacity layer here since I am using a background image for my grid? The problem seems to be that background image is not animatable.

If i understand correctly,
Best practice is to use a container with 'overflow:hidden', and hide the masked content with 'transform: translate' with height equal to the container. 100% width will work responsively with any content.
codepen
css:
.container {
width: 300px;
position: relative;
margin: 0 auto;
height: 300px;
overflow:hidden;
}
.org-content {
background: red;
height: 300px;
}
.mask {
height: 300px;
top: 300px;
width: 100%;
background-color: #3aa6db;
opacity: 0;
transition: all ease-in 0s;
left: 0;
overflow: hidden;
position: absolute;
pointer-events: none;
}
.container:hover>.mask {
opacity: 1;
transition: all ease-out 0.2s;
transform: translate(0px, -300px);
transition: all ease-in 0.25s;
}
html:
<div class='container'>
<div class="mask">
masked content
</div>
<div class='org-content'>
original content
</div>
</div>

Related

How to make an image zooming to left hand side over hover effect using css?

am developing a simple image view and i want the image to zoom up to the left hand side when a user place up a mouser point. Current i have been able to make image zoom out but it goes to right by default. Here is my codes
.imageDiv {
position: static;
height: 130px;
width: 160px;
-webkit-transition: all 1s ease;
-moz-transition: all 1s ease;
-ms-transition: all 1s ease;
transition: all 1s ease;
transform: scale(1);
}
.imageDiv:hover {
width: 300px;
height: 250px;
position: relative;
display: block;
border: 3px solid #fed136;
background-color: #b20000;
border-radius: 20px;
position: relative;
z-index: 999;
}
<div class="imageDiv">
<img src="./img/images/mobilePhone.png">
</div>
please help

Background image transition is not working on mozilla [duplicate]

I am trying to find an alternative for this:
"transition:background-image 1s whatever"
in firefox since it only works on webkit browsers.
I already tried the opacity alternative but thats not an option for me since i have content on the background container which will disappear along with the background if using opacity.
Thank you.
You can do that using 2 pseudo elements
CSS
.test
{
width: 400px;
height: 150px;
position: relative;
border: 1px solid green;
}
.test:before, .test:after {
content: "";
position: absolute;
top: 0px;
right: 0px;
bottom: 0px;
left: 0px;
opacity: 1;
}
.test:before {
background-color: red;
z-index: 1;
transition: opacity 1s;
}
.test:after {
background-color: green;
}
.test:hover:before {
opacity: 0;
}
fiddle with real images
(hover to transition)
To be able to see the div content, the pseudo elements need to be in negative z-index:
fiddle with corrected z-index
looks like IE won't trigger this hover
.test:hover:before {
opacity: 0;
}
but will trigger this one
.test:hover {
}
.test:hover:before {
opacity: 0;
}
(As SILLY as it seems)
fiddle for IE10
Easiest solution making use of hover
.self-pic {
height: 350px;
width: 350px;
position: relative;
border-radius: 1rem;
}
img {
position: absolute;
left: 0;
transition: opacity, 1s;
}
img.front:hover {
opacity: 0;
}
<div id="self-pic">
<img class="back" src="https://source.unsplash.com/random/350*350" />
<img class="front" src="https://source.unsplash.com/random/351*351" />
</div>
It does work
You can see it here : http://dabblet.com/gist/1931619
But apparently Firefox hasn't implemented it yet.
#id_of_element {
-webkit-transition: all 1s ease-in-out;
-moz-transition: all 1s ease-in-out;
-o-transition: all 1s ease-in-out;
transition: all 1s ease-in-out;
}
Does this not do it? Just need to change the all to background-image.

Full page overlay appears behind

I am trying to create a simple full page overlay with bootstrap.
However the overlay is appearing 'behind' my main content (a blue box in the example).
I'm sure I am missing something very obvious however any help would be appreciated.
I need to overlay to disappear when the page is clicked anywhere, this is working.
I have included my current code and a jsfiddle. You can see that the overlay is behind the blue box, which seems to load first?
HTML
<div class="overlay overlay-data">
<p>click anywhere to close this overlay</p>
</div>
<div class="col-md-4">
<div class="menu-item blue">
<p>MY INFO BOX</p>
</div>
</div>
JS
$(document).ready(function () {
$(".overlay").addClass('overlay-open');
$("section").addClass('blur');
});
$(document).on('click', '.overlay', function () {
$(".overlay").removeClass('overlay-open');
$("section").removeClass('blur');
});
CSS
.blur {
-webkit-filter: blur(2px);
}
.overlay {
position: fixed;
width: 100%;
height: 100%;
background: #000;
}
.overlay p {
text-align: center;
position: relative;
top: 20%;
height: 60%;
font-size: 80px;
}
.overlay-data {
opacity: 0;
visibility: hidden;
-webkit-transition: opacity 0.5s;
transition: opacity 0.5s;
visibility: 0s 0.5s;
transition: opacity 0.5s, visibility 0s 0.5s;
}
.overlay-open {
opacity: 0.5;
visibility: visible;
-webkit-transition: opacity 0.5s;
transition: opacity 0.5s;
}
.blue {
background: #28ABE3;
}
.menu-item {
padding-top: 45px;
padding-bottom: 45px;
margin-bottom: 45px;
transition: all 0.3s;
border: 5px solid transparent;
}
Specify the z-index in your css to be greater than your main content.
.overlay {
position: fixed;
width: 100%;
height: 100%;
background: #000;
z-index: 1;
}
JSFiddle
Read more about it at MDN, z-index.
Use z-index to add overlay effect use this css
.overlay {
position: fixed;
width: 100%;
height: 100%;
background: #000;
z-index:99999
}

Expand the logo from a half

has anyone any idea if you can do this in jquery? Where clicking on a piece of the logo expands the rest? Example image:
Why use jQuery if this can be achieved using CSS?
HTML:
<div id='icon-wrapper'>
<img id='icon' alt='icon' src='http://i.stack.imgur.com/sKhJf.jpg?s=60&g=1'/>
<p>Text here</p>
</div>
CSS:
#icon-wrapper{
margin:0 auto;
height:110px;
width:110px;
overflow:hidden;
/* CSS Transitions */
-webkit-transition: all 1s ease;
-moz-transition: all 1s ease;
-ms-transition: all 1s ease;
-o-transition: all 1s ease;
transition: all 1s ease;
}
#icon-wrapper:after{
content:"";
display:block;
width:100%;
clear:both;
}
#icon-wrapper:hover{
width:300px;
}
#icon-wrapper:hover #icon{
margin-left:200px;
}
#icon{
-webkit-border-radius: 100%;
-moz-border-radius: 100%;
border-radius: 100%;
/* Position Absolute to put the icon on the top */
position:absolute;
z-index:10;
/* CSS Transitions */
-webkit-transition: all 1s ease;
-moz-transition: all 1s ease;
-ms-transition: all 1s ease;
-o-transition: all 1s ease;
transition: all 1s ease;
}
#icon-wrapper p{
color:black;
font-size:35px;
font-family:arial, helvetica;
/* Fixed width and float left is needed */
width:200px;
float:left;
}
It's long but without using jQuery is a plus point.
Note that we need to use fixed width for the elements, especially for the paragraph.
UPDATE:
For transparent icon, we need to hide the text first, using opacity:0;. Then add CSS Transition so we have smooth effect on hover. Finally, show the text on hover with opacity:1;. But this trick has a bug, sometimes the text didn't 'hide' fast, so it's still shown for a time in the icon. The best solution is adding a background color to the icon, using the same color as the container background.
Updated CSS (transparent text):
#icon-wrapper:hover p{
opacity:1;
}
#icon-wrapper p{
/* ... */
opacity:0;
-webkit-transition: all 2s ease-in;
-moz-transition: all 2s ease-in;
-ms-transition: all 2s ease-in;
-o-transition: all 2s ease-in;
transition: all 2s ease-in;
}
Updated CSS (using background color on the icon):
#icon{
/* ... */
background:white;
}
Here is a jsFiddle
Here is an updated fiddle for transparent icon.
Here is an updated fiddle with background color added to the icon.
Not sure if this is something you want.
Check the demo here: http://jsfiddle.net/SdanM/4/
HTML:
<div id="container">
<div id="img">Hidden Element</div>
<div id="btn">Hover to expand</div>
<div>
CSS: hide the hidden element first
#container {
position: relative;
}
#img {
background-color: yellow;
position: absolute;
width: 100px;
height: 50px;
top: 50px;
left: 50px;
display: none;
}
#btn {
background-color: red;
position: absolute;
width: 50px;
height: 50px;
top: 50px;
left: 50px;
}
jQuery: move the blocks
$("#container").mouseenter( function() {
$("#img").animate({
left: "-=50",
width: "show",
}, 1000);
$("#btn").animate({
left: "+=50",
}, 1000);
});
$("#container").mouseleave( function() {
$("#img").animate({
left: "+=50",
width: "hide",
}, 1000);
$("#btn").animate({
left: "-=50",
}, 1000);
});

Why is css transition not working when adding class using javascript / jQuery?

I have a message box which I want to slide down on click. I do this by adding a css class through Angular (and jQuery in my example). But my CSS transition does not take effect.
Is there any obvious mistake I'm doing?
Here's my fiddle: http://jsfiddle.net/mBKXn/
and my code:
// jQuery
$('.test').on('click',function(){
$('#msgContainer').toggleClass('msgShow');
});
// HTML
<div class="container">
<div id="msgContainer" class="msg">
<p>Message here</p>
<p>T2</p>
<p>T4</p>
</div>
Test text
</div>
<button class="test">Click</button>
// CSS
.container{
position: relative;
height: 200px;
width: 400px;
border: solid 1px #222;
}
.msg{
position: absolute;
top: 0;
background-color: #FEEFB3;
height: 0;
width: 100%;
overflow: hidden;
-webkit-transition: height 0.8s linear;
-moz-transition: height 0.8s linear;
-o-transition: height 0.8s linear;
-ms-transition: height 0.8s linear;
transition: height 0.8s linear;
}
.msgShow{
height: auto;
}
To animate height from 0 to auto you have to use max-height instead:
.msg{
position: absolute;
top: 0;
background-color: #FEEFB3;
max-height: 0;
width: 100%;
overflow: hidden;
-webkit-transition: max-height 0.8s linear;
-moz-transition: max-height 0.8s linear;
-o-transition: max-height 0.8s linear;
-ms-transition: max-height 0.8s linear;
transition: max-height 0.8s linear;
}
.msgShow{
max-height: 1000px;
}
Seems to work: http://jsfiddle.net/mBKXn/3/
Also take a look at this question.
you need to set a defined height. Height:auto won't work as this is the default height value.
see the specs for the height property here:
http://www.w3.org/TR/CSS2/visudet.html#the-height-property
http://jsfiddle.net/mBKXn/7/
.msgShow{
height: 100%;
}
Another (older IE compliant) way to do this is through slideToggle.
Updated Fiddle that works and another Fiddle where I removed some of your transition css and it makes the animation smoother in my opinion.
your code needs a slight change:
$('.test').on('click',function(){
$('#msgContainer').slideToggle('slow');
});
and your class needs a slight change:
.msg{
display:none;
position: absolute;
top: 0;
background-color: #FEEFB3;
height: auto;
width: 100%;
overflow: hidden;
}

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