/*
* This file is part of Toolkit.
*
* Toolkit is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Toolkit is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General
* Public License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
"use strict";
(function(w, TK){
/**
* Ranges provides multiple {@link TK.Range}s for a widget. They
* can be used for building coordinate systems.
*
* @mixin TK.Ranges
*/
function range_changed(value, name) {
var range = this[name];
for (var i in value) {
range.set(i, value[i]);
}
}
TK.Ranges = TK.class({
_class: "Ranges",
/**
* Add a new {@link TK.Range}. If <code>name</code> is set and <code>this.options[name]</code>
* exists, is an object and <code>from</code> is an object, too, both are merged
* before a range is created.
*
* @method TK.Ranges#add_range
*
* @param {Function|Object} from - A function returning a {@link TK.Range}
* instance or an object containing options for a new {@link TK.Range}.
* @param {string} name - Designator of the {@link TK.Range}.
* If a name is set a new set function is added to the item to
* set the options of the {@link TK.Range}. Use the set function like this:
* <code>this.set("name", {key: value});</code>
*
* @emits TK.Ranges#rangeadded
*
* @returns {TK.Range} The new {@link TK.Range}.
*/
add_range: function (from, name) {
var r;
if (typeof from === "function") {
r = from();
} else if (TK.Ranged.prototype.isPrototypeOf(from)) {
r = TK.Range(from.options);
} else if (TK.Range.prototype.isPrototypeOf(from)) {
r = from;
} else {
if (name
&& this.options[name]
&& typeof this.options[name] === "object")
from = Object.assign({}, this.options[name], from)
r = new TK.Range(from);
}
if (name) {
this[name] = r;
this.add_event("set_"+name, range_changed);
}
/**
* Gets fired when a new range is added
*
* @event TK.Ranges#rangeadded
*
* @param {TK.Range} range - The {@link TK.Range} that was added.
*/
this.fire_event("rangeadded", r);
return r;
}
})
})(this, this.TK);