tildefriends/apps/ssb/emojis.js

109 lines
2.9 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 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.minWidth = 'min(16em, 90vw)';
div.style.width = 'min(16em, 90vw)';
div.style.maxWidth = 'min(16em, 90vw)';
div.style.maxHeight = '16em';
div.style.overflow = 'scroll';
div.style.fontWeight = 'bold';
div.style.fontSize = 'xx-large';
let input = document.createElement('input');
input.type = 'text';
input.style.display = 'block';
input.style.boxSizing = 'border-box';
input.style.width = '100%';
input.style.margin = '0';
input.style.position = 'relative';
div.appendChild(input);
let list = document.createElement('div');
div.appendChild(list);
div.addEventListener('mousedown', function(event) {
event.stopPropagation();
});
function cleanup() {
console.log('emoji cleanup');
div.parentElement.removeChild(div);
window.removeEventListener('keydown', key_down);
console.log('removing click');
document.body.removeEventListener('mousedown', cleanup);
}
function key_down(event) {
if (event.key == 'Escape') {
cleanup();
}
}
function refresh() {
while (list.firstChild) {
list.removeChild(list.firstChild);
}
let search = input.value;
let any_at_all = false;
Object.entries(json).forEach(function(row) {
let header = document.createElement('div');
header.appendChild(document.createTextNode(row[0]));
list.appendChild(header);
let any = false;
for (let entry of row[1]) {
if (search &&
search.length &&
entry.name.indexOf(search) == -1) {
continue;
}
let emoji = document.createElement('span');
const k_size = '1.25em';
emoji.style.display = 'inline-block';
emoji.style.overflow = 'hidden';
emoji.style.cursor = 'pointer';
emoji.onclick = function() {
callback(entry);
cleanup();
}
emoji.title = entry.name;
emoji.appendChild(document.createTextNode(entry.emoji));
list.appendChild(emoji);
any = true;
any_at_all = true;
}
if (!any) {
list.removeChild(header);
}
});
if (!any_at_all) {
list.appendChild(document.createTextNode('No matches found.'));
}
}
refresh();
input.oninput = refresh;
document.body.appendChild(div);
div.style.position = 'fixed';
div.style.top = '50%';
div.style.left = '50%';
div.style.transform = 'translate(-50%, -50%)';
input.focus();
console.log('adding click');
document.body.addEventListener('mousedown', cleanup);
window.addEventListener('keydown', key_down);
});
}