tildefriends/apps/cory/ssb/emojis.js

70 lines
2.0 KiB
JavaScript

let g_emojis;
function get_emojis() {
if (g_emojis) {
return Promise.resolve(g_emojis);
}
return fetch('emojis.json').then(function(result) {
g_emojis = result.json();
return g_emojis;
});
}
export function picker(callback, anchor) {
get_emojis().then(function(json) {
let existing = document.getElementById('emoji_picker');
if (existing) {
existing.parentElement.removeChild(existing);
return;
}
let div = document.createElement('div');
div.id = 'emoji_picker';
div.style.color = '#000';
div.style.background = '#fff';
div.style.border = '1px solid #000';
div.style.display = 'block';
div.style.position = 'absolute';
div.style.maxWidth = '16em';
div.style.maxHeight = '16em';
div.style.overflow = 'scroll';
div.style.fontWeight = 'bold';
div.style.cursor = 'pointer';
Object.entries(json).forEach(function(row) {
let header = document.createElement('div');
header.appendChild(document.createTextNode(row[0]));
div.appendChild(header);
for (let entry of row[1]) {
let emoji = document.createElement('span');
const k_size = '1.25em';
emoji.style.width = k_size;
emoji.style.maxWidth = k_size;
emoji.style.minWidth = k_size;
emoji.style.height = k_size;
emoji.style.maxHeight = k_size;
emoji.style.minHeight = k_size;
emoji.style.display = 'inline-block';
emoji.style.overflow = 'hidden';
emoji.onclick = function() {
callback(entry);
div.parentElement.removeChild(div);
}
emoji.appendChild(document.createTextNode(entry.emoji));
div.appendChild(emoji);
}
});
document.body.appendChild(div);
if (anchor) {
let rect = anchor.getBoundingClientRect();
if (rect.top < window.clientHeight / 2) {
div.style.top = rect.bottom + 'px';
} else {
div.style.top = (rect.top - div.clientHeight) + 'px';
}
if (rect.left < window.clientWidth / 2) {
div.style.left = rect.left + 'px';
} else {
div.style.left = (rect.left - div.clientWidth) + 'px';
}
}
});
}