theme: add modal to view large image

This commit is contained in:
Peter Cai 2020-04-11 20:45:07 +08:00
parent 2f2611f498
commit 87b332ccd2
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5 changed files with 107 additions and 1 deletions

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@ -25,6 +25,7 @@
</div>
</div>
</div>
{{> modal.hbs }}
<script src="/static/script.js?ver={{ build_num }}"></script>
</body>
</html>

11
theme/default/modal.hbs Normal file
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@ -0,0 +1,11 @@
<!-- The Modal -->
<!-- https://www.w3schools.com/howto/howto_css_modal_images.asp -->
<div id="myModal" class="modal">
<!-- The Close Button -->
<span class="close">&times;</span>
<!-- Modal Content (The Image) -->
<img class="modal-content" id="img01">
</div>

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@ -16,6 +16,7 @@
<!-- We don't handle this in backend -->
</div>
</div>
{{> modal.hbs }}
<script src="/static/script.js?ver={{ build_num }}"></script>
</body>
</html>

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@ -16,6 +16,20 @@ window.onbeforeunload = (ev) => {
window.onload = function() {
let content = document.getElementsByClassName("content");
if (content.length == 0) return;
// View large image in modal when clicked
var modal = document.getElementById("myModal");
var modalImg = document.getElementById("img01");
document.querySelectorAll(".content img").forEach((elem) => {
elem.onclick = (ev) => {
modal.style.display = "block";
modalImg.src = elem.src;
};
});
var span = document.getElementsByClassName("close")[0];
span.onclick = () => {
modal.style.display = "none";
};
// Table-of-Contents generation
// Don't do this on mobile; it's horrible
if (window.matchMedia("(max-width: 1000px)").matches) return;

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@ -274,6 +274,13 @@ h5 {
.content img {
max-width: calc(100% - 10px);
object-fit: contain;
cursor: pointer;
transition: opacity 0.3s;
}
.post img:hover,
.content img:hover {
opacity: 0.7;
}
.toc-wrapper {
@ -387,4 +394,76 @@ h5 {
.with-divider.with-divider-center-mobile::after {
margin-left: calc(50% - 20px) !important;
}
}
}
/* Modal <https://www.w3schools.com/howto/howto_css_modal_images.asp> */
/* The Modal (background) */
.modal {
display: none; /* Hidden by default */
position: fixed; /* Stay in place */
z-index: 1; /* Sit on top */
padding-top: 100px; /* Location of the box */
left: 0;
top: 0;
width: 100%; /* Full width */
height: 100%; /* Full height */
overflow: auto; /* Enable scroll if needed */
background-color: rgb(0,0,0); /* Fallback color */
background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
}
/* Modal Content (Image) */
.modal-content {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
}
/* Caption of Modal Image (Image Text) - Same Width as the Image */
#caption {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
text-align: center;
color: #ccc;
padding: 10px 0;
height: 150px;
}
/* Add Animation - Zoom in the Modal */
.modal-content, #caption {
animation-name: zoom;
animation-duration: 0.6s;
}
@keyframes zoom {
from {transform:scale(0)}
to {transform:scale(1)}
}
/* The Close Button */
.close {
position: absolute;
top: 15px;
right: 35px;
color: #f1f1f1;
font-size: 40px;
font-weight: bold;
transition: 0.3s;
}
.close:hover,
.close:focus {
color: #bbb;
text-decoration: none;
cursor: pointer;
}
/* 100% Image Width on Smaller Screens */
@media only screen and (max-width: 700px){
.modal-content {
width: 100%;
}
}