74 lines
2.4 KiB
JavaScript
74 lines
2.4 KiB
JavaScript
/*
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* This file is part of Toolkit.
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*
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* Toolkit is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* Toolkit is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU General
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* Public License along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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"use strict";
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(function (w, TK) {
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TK.List = TK.class({
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/**
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* TK.List is a sortable {@link TK.Container} for {@TK.ListItems}s.
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* the element is a UL instead of a DIV.
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*
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* @param {Object} [options={ }] - An object containing initial options.
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*
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* @property {Function|Boolean} [options.sort=false] - A function
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* expecting arguments A and B, returning a number <0, if A comes first and >0,
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* if B comes first. 0 keeps both elements in place. Please refer to the
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* compareFunction at <a href="https://www.w3schools.com/jsref/jsref_sort.asp">W3Schools</a>
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* for any further information.
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*
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* @class TK.List
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*
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* @extends TK.Container
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*/
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_options: Object.assign(Object.create(TK.Container.prototype._options), {
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sort: "function",
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}),
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_class: "List",
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Extends: TK.Container,
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initialize: function (options) {
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this.element = TK.element("ul", "toolkit-list");
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TK.Container.prototype.initialize.call(this, options);
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},
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static_events: {
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set_sort: function(f) {
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if (typeof(f) === "function") {
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var C = this.children.slice(0);
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C.sort(f);
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for (var i = 0; i < C.length; i++) {
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this.element.appendChild(C[i].element);
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}
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}
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},
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},
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append_child: function(w) {
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TK.Container.prototype.append_child.call(this, w);
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var O = this.options;
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var C = this.children;
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if (O.sort) {
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C.sort(O.sort);
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var pos = C.indexOf(w);
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if (pos !== C.length - 1)
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this.element.insertBefore(w.element, C[pos+1].element);
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}
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},
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});
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})(this, this.TK);
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