| 1 | import { isArray } from "d3-let";
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| 2 | import { select } from "d3-selection";
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| 3 | import { createValueType } from "./type";
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| 4 |
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| 5 | export default createValueType({
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| 6 | value(value) {
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| 7 | var sel = this.sel,
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| 8 | options = sel.selectAll("option"),
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| 9 | values = value,
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| 10 | opt;
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| 11 |
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| 12 | if (arguments.length) {
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| 13 | if (!isArray(values)) values = [value || ""];
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| 14 | options.each(function() {
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| 15 | opt = select(this);
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| 16 | value = opt.attr("value") || "";
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| 17 | opt.property("selected", values.indexOf(value) > -1);
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| 18 | });
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| 19 | } else {
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| 20 | values = [];
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| 21 | options.each(function() {
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| 22 | opt = select(this);
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| 23 | if (opt.property("selected")) values.push(opt.attr("value") || "");
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| 24 | });
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| 25 | if (sel.property("multiple")) return values;
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| 26 | else return values[0] || "";
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| 27 | }
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| 28 | }
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| 29 | });
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