84 lines
2.8 KiB
JavaScript
84 lines
2.8 KiB
JavaScript
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/*
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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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/**
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* Ranges provides multiple {@link TK.Range}s for a widget. They
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* can be used for building coordinate systems.
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*
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* @mixin TK.Ranges
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*/
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function range_changed(value, name) {
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var range = this[name];
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for (var i in value) {
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range.set(i, value[i]);
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}
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}
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TK.Ranges = TK.class({
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_class: "Ranges",
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/**
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* Add a new {@link TK.Range}. If <code>name</code> is set and <code>this.options[name]</code>
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* exists, is an object and <code>from</code> is an object, too, both are merged
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* before a range is created.
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*
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* @method TK.Ranges#add_range
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*
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* @param {Function|Object} from - A function returning a {@link TK.Range}
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* instance or an object containing options for a new {@link TK.Range}.
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* @param {string} name - Designator of the {@link TK.Range}.
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* If a name is set a new set function is added to the item to
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* set the options of the {@link TK.Range}. Use the set function like this:
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* <code>this.set("name", {key: value});</code>
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*
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* @emits TK.Ranges#rangeadded
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*
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* @returns {TK.Range} The new {@link TK.Range}.
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*/
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add_range: function (from, name) {
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var r;
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if (typeof from === "function") {
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r = from();
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} else if (TK.Ranged.prototype.isPrototypeOf(from)) {
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r = TK.Range(from.options);
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} else if (TK.Range.prototype.isPrototypeOf(from)) {
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r = from;
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} else {
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if (name
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&& this.options[name]
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&& typeof this.options[name] === "object")
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from = Object.assign({}, this.options[name], from)
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r = new TK.Range(from);
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}
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if (name) {
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this[name] = r;
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this.add_event("set_"+name, range_changed);
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}
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/**
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* Gets fired when a new range is added
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*
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* @event TK.Ranges#rangeadded
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*
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* @param {TK.Range} range - The {@link TK.Range} that was added.
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*/
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this.fire_event("rangeadded", r);
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return r;
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}
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})
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})(this, this.TK);
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