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SelectBox.46d59670a7a7.js
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'use strict';
{
const SelectBox = {
cache: {},
init: function(id) {
const box = document.getElementById(id);
SelectBox.cache[id] = [];
const cache = SelectBox.cache[id];
for (const node of box.options) {
cache.push({value: node.value, text: node.text, displayed: 1});
}
},
redisplay: function(id) {
// Repopulate HTML select box from cache
const box = document.getElementById(id);
box.innerHTML = '';
for (const node of SelectBox.cache[id]) {
if (node.displayed) {
const new_option = new Option(node.text, node.value, false, false);
// Shows a tooltip when hovering over the option
new_option.title = node.text;
box.appendChild(new_option);
}
}
},
filter: function(id, text) {
// Redisplay the HTML select box, displaying only the choices containing ALL
// the words in text. (It's an AND search.)
const tokens = text.toLowerCase().split(/\s+/);
for (const node of SelectBox.cache[id]) {
node.displayed = 1;
const node_text = node.text.toLowerCase();
for (const token of tokens) {
if (node_text.indexOf(token) === -1) {
node.displayed = 0;
break; // Once the first token isn't found we're done
}
}
}
SelectBox.redisplay(id);
},
delete_from_cache: function(id, value) {
let delete_index = null;
const cache = SelectBox.cache[id];
for (const [i, node] of cache.entries()) {
if (node.value === value) {
delete_index = i;
break;
}
}
cache.splice(delete_index, 1);
},
add_to_cache: function(id, option) {
SelectBox.cache[id].push({value: option.value, text: option.text, displayed: 1});
},
cache_contains: function(id, value) {
// Check if an item is contained in the cache
for (const node of SelectBox.cache[id]) {
if (node.value === value) {
return true;
}
}
return false;
},
move: function(from, to) {
const from_box = document.getElementById(from);
for (const option of from_box.options) {
const option_value = option.value;
if (option.selected && SelectBox.cache_contains(from, option_value)) {
SelectBox.add_to_cache(to, {value: option_value, text: option.text, displayed: 1});
SelectBox.delete_from_cache(from, option_value);
}
}
SelectBox.redisplay(from);
SelectBox.redisplay(to);
},
move_all: function(from, to) {
const from_box = document.getElementById(from);
for (const option of from_box.options) {
const option_value = option.value;
if (SelectBox.cache_contains(from, option_value)) {
SelectBox.add_to_cache(to, {value: option_value, text: option.text, displayed: 1});
SelectBox.delete_from_cache(from, option_value);
}
}
SelectBox.redisplay(from);
SelectBox.redisplay(to);
},
sort: function(id) {
SelectBox.cache[id].sort(function(a, b) {
a = a.text.toLowerCase();
b = b.text.toLowerCase();
if (a > b) {
return 1;
}
if (a < b) {
return -1;
}
return 0;
} );
},
select_all: function(id) {
const box = document.getElementById(id);
for (const option of box.options) {
option.selected = true;
}
}
};
window.SelectBox = SelectBox;
}
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