datatracker/ietf/static/js/select2.js
2022-12-19 09:01:06 -06:00

118 lines
3.8 KiB
JavaScript

import $ from "jquery";
import select2 from "select2";
select2($);
$.fn.select2.defaults.set("allowClear", true);
$.fn.select2.defaults.set("debug", false);
$.fn.select2.defaults.set("dropdownCssClass", ":all:");
$.fn.select2.defaults.set("minimumInputLength", 2);
$.fn.select2.defaults.set("placeholder", "");
$.fn.select2.defaults.set("selectionCssClass", ":all:");
$.fn.select2.defaults.set("theme", "bootstrap-5");
$.fn.select2.defaults.set("width", "off");
$.fn.select2.defaults.set("escapeMarkup", function (m) {
return m;
});
function prettify_tz(x) {
return x.text.replaceAll("_", " ").replaceAll("/", " / ");
}
function search_template_result(data) {
if (data.url == null) {
return data.text;
}
var $link = $("<a>" + data.text + "</a>");
$link.prop("href", data.url);
$link.on("mouseup", function (evt) {
// Do not propagate any events which have modifiers keys
// or if some other mouse button than 1 (left) was used.
if (evt.shiftKey || evt.ctrlKey || evt.metaKey || evt.altKey ||
evt.which != 1) {
evt.stopPropagation();
}
});
return $link;
}
// Copyright The IETF Trust 2015-2021, All Rights Reserved
// JS for ietf.utils.fields.SearchableField subclasses
window.setupSelect2Field = function (e) {
// Avoid using data attributes that match any of the search2 option attributes.
// These will override settings in the options object that we use below.
// (see https://select2.org/configuration/data-attributes)
// Note: e.data('k') returns undefined if there is no data-k attribute.
let url = e.data("select2-ajax-url");
let maxEntries = e.data("max-entries");
let minSearchLength = e.data("min-search-length");
let result_key = e.data("result-key");
let options = e.data("pre");
if (options) {
options.forEach(
opt => e.append(new Option(opt.text, opt.id, false, opt.selected))
);
}
template_modify = e.hasClass("tz-select") ? prettify_tz :
(e.hasClass("search-select") ? search_template_result : undefined);
// focus the search field automatically
$(document)
.on("select2:open", () => {
document.querySelector(
".select2-container--open .select2-search__field")
.focus()
});
// Remove spurious title attribute (https://github.com/select2/select2/pull/3988)
$(document)
.on("mouseenter", ".select2-selection__rendered", function () { $(this)
.removeAttr("title"); });
e.select2({
multiple: maxEntries !== 1,
maximumSelectionSize: maxEntries,
minimumInputLength: minSearchLength,
templateResult: template_modify,
templateSelection: template_modify,
ajax: url ? {
url: url,
dataType: "json",
delay: 250,
data: function (params) {
return {
q: params.term,
p: params.page || 1
};
},
processResults: function (results) {
if (result_key) {
// overwrite the returned "id" fields with the data in the result_key fields
results = results.map(x => ({ ...x, ...{ id: x[result_key] } }));
}
return {
results: results,
pagination: {
more: results.length === 10
}
};
}
} : undefined
});
};
$(document)
.ready(function () {
$(".select2-field")
.not(".select2-hidden-accessible")
.each(function () {
if ($(this)
.closest(".template")
.length > 0)
return;
setupSelect2Field($(this));
});
});