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gatsby-browser.js
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gatsby-browser.js
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export const onClientEntry = (_, pluginOptions) => {
// Inject styles.
const styles = `
.modal {
opacity: 0;
position: fixed;
top: -100%;
z-index: -1;
padding-top: 80px; /* Location of the box */
left: 0;
width: 100%; /* Full width */
height: 100%; /* Full height */
overflow:auto;
background-color: rgb(0,0,0); /* Fallback color */
background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
transition: top 0.4s, opacity 0.6s, z-index 0.8s;
}
.modal.show {
top: 0;
opacity: 1;
z-index: 350;
}
.modal.show:hover {
cursor: zoom-out;
}
.gatsby-resp-image-wrapper:hover {
cursor: zoom-in;
}
.modal-content picture {
margin: auto;
}
.modal-content img {
max-width: 100%;
max-height: 90vh;
position: relative !important;
}
.modal-content {
margin: auto;
display: grid;
width: 80%;
max-width: 90%;
height: 90%;
}
#caption {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
text-align: center;
color: #ccc;
padding: 10px 0;
height: 8%;
}
.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%;
}
}
`;
const node = document.createElement(`div`);
node.id = `zoom-modal`;
node.classList = `modal`;
node.innerHTML = `
<span class="close">×</span>
<div class="modal-content" id="img01"></div>
<div id="caption"></div>`
document.body.append(node)
const styleEl = document.createElement(`style`);
styleEl.id = `zoom-style`
styleEl.innerHTML = styles
document.head.appendChild(styleEl);
};
export const onRouteUpdate = (_, pluginOptions) => {
runZoom();
};
function runZoom(){
var modal = document.getElementById("zoom-modal");
var modalImg = document.getElementById("img01");
var captionText = document.getElementById("caption");
var isModalVisible = false;
let children = [...document.querySelectorAll(".gatsby-resp-image-wrapper")];
if (children.length == 0) {
let spans = document.getElementsByTagName('span');
for (let i = 0; i < spans.length; ++i) {
if (spans[i].className == "gatsby-resp-image-wrapper") {
children.push(spans[i])
};
}
if (children.length == 0){
console.log(document.getElementsByTagName('span'))
console.log(document)
console.log(children)
console.log("Nie moge znalezc obrazkow!")
return;
}
}
children.map(
(element) => {
element.onclick = function (e) {
let picture = this.getElementsByTagName("picture")[0]
modalImg.innerHTML = picture.outerHTML
captionText.innerHTML = this.alt ? this.alt : '';
isModalVisible = true;
modal.classList.add('show');
e.stopPropagation();
}
})
let span = document.getElementsByClassName("close")[0];
window.onclick = function (e) {
if (isModalVisible) {
hideModal();
}
}
window.onscroll = function () {
if (isModalVisible) {
hideModal();
}
}
function hideModal() {
modal.classList.remove('show');
isModalVisible = false;
}
}