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Add description for autocycling background images

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Ethan Paul 2020-12-27 19:42:33 -05:00
parent 2842ef40bf
commit a867b60515
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1 changed files with 77 additions and 15 deletions
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js/custom.js
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@ -1,19 +1,71 @@
// Some quick scripting to select a random background on page load
const BACKGROUND_IMAGES = [
"https://cdn.enp.one/img/backgrounds/cl-photo-allis.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-boston.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-denver.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-geese.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-hotel.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-lawrencedam.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-letchworth.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-library.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-lighthouse.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-mbta.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-rockyshore.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-rt112.jpg",
"https://cdn.enp.one/img/backgrounds/cl-photo-startrek.jpg",
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-allis.jpg",
description: "Allis Engine #4, Metropolitan Waterworks Museum",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-boston.jpg",
description: "Charles River Basin and Skyline",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-denver.jpg",
description: "Mile-High City Skyline",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-geese.jpg",
description: "Geese and Goslings on the banks of the Charles River",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-hotel.jpg",
description: "Bay Point Hotel, Lake Winnipesaukee",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-lawrencedam.jpg",
description: "Hydroelectric Dam on the St. Lawrence River",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-letchworth.jpg",
description: "The Middle Falls in Letchworth State Park",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-library.jpg",
description: "Robert W. Woodruff Library at Emory University",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-lighthouse.jpg",
description: "Nubble Lighthouse",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-mbta.jpg",
description: "Old vs New MBTA Green Line",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-rockyshore.jpg",
description: "Icy Stormy Shoreline at Brenton Point",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-rt112.jpg",
description: "Northern end of the Route 112 Scenic Byway",
source: ""
},
{
url: "https://cdn.enp.one/img/backgrounds/cl-photo-startrek.jpg",
description: "Enterprise Engineering Systems at the Star Trek Set Museum",
source: ""
}
];
@ -21,13 +73,23 @@ function selectBackground() {
let max = BACKGROUND_IMAGES.length - 1
let min = 0;
index = Math.round(Math.random() * (max - min) + min);
console.log("Loading background #" + index + ": " + BACKGROUND_IMAGES[index]);
console.log("Loading background #" + index + ": " + BACKGROUND_IMAGES[index].url);
return BACKGROUND_IMAGES[index];
}
function setBackground() {
let selected = selectBackground()
document.getElementById(
"background-image"
).style.backgroundImage = "url(" + selectBackground() + ")";
).style.backgroundImage = "url(" + selected.url + ")";
document.getElementById(
"background-info-link"
).innerHTML = selected.description;
document.getElementById(
"background-info-link"
).href = selected.source;
}