60 lines
1.2 KiB
JavaScript
60 lines
1.2 KiB
JavaScript
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/**
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* radiobutton.js - radio button element for blessed
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* Copyright (c) 2013-2015, Christopher Jeffrey and contributors (MIT License).
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* https://github.com/chjj/blessed
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*/
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/**
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* Modules
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*/
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var helpers = require('../helpers');
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var Node = require('./node');
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var Checkbox = require('./checkbox');
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/**
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* RadioButton
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*/
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function RadioButton(options) {
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var self = this;
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if (!(this instanceof Node)) {
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return new RadioButton(options);
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}
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options = options || {};
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Checkbox.call(this, options);
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this.on('check', function() {
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var el = self;
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while (el = el.parent) {
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if (el.type === 'radio-set'
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|| el.type === 'form') break;
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}
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el = el || self.parent;
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el.forDescendants(function(el) {
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if (el.type !== 'radio-button' || el === self) {
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return;
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}
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el.uncheck();
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});
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});
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}
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RadioButton.prototype.__proto__ = Checkbox.prototype;
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RadioButton.prototype.type = 'radio-button';
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RadioButton.prototype.render = function() {
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this.clearPos(true);
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this.setContent('(' + (this.checked ? '*' : ' ') + ') ' + this.text, true);
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return this._render();
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};
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RadioButton.prototype.toggle = RadioButton.prototype.check;
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module.exports = RadioButton;
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