125 lines
2.1 KiB
JavaScript
125 lines
2.1 KiB
JavaScript
/**
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* prompt.js - prompt 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 Box = require('./box');
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var Button = require('./button');
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var Textbox = require('./textbox');
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/**
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* Prompt
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*/
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function Prompt(options) {
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var self = this;
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if (!(this instanceof Node)) {
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return new Prompt(options);
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}
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options = options || {};
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options.hidden = true;
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Box.call(this, options);
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this._.input = new Textbox({
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parent: this,
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top: 3,
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height: 1,
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left: 2,
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right: 2,
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bg: 'black'
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});
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this._.okay = new Button({
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parent: this,
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top: 5,
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height: 1,
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left: 2,
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width: 6,
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content: 'Okay',
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align: 'center',
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bg: 'black',
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hoverBg: 'blue',
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autoFocus: false,
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mouse: true
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});
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this._.cancel = new Button({
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parent: this,
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top: 5,
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height: 1,
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shrink: true,
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left: 10,
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width: 8,
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content: 'Cancel',
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align: 'center',
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bg: 'black',
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hoverBg: 'blue',
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autoFocus: false,
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mouse: true
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});
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}
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Prompt.prototype.__proto__ = Box.prototype;
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Prompt.prototype.type = 'prompt';
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Prompt.prototype.input =
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Prompt.prototype.setInput =
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Prompt.prototype.readInput = function(text, value, callback) {
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var self = this;
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var okay, cancel;
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if (!callback) {
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callback = value;
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value = '';
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}
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// Keep above:
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// var parent = this.parent;
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// this.detach();
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// parent.append(this);
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this.show();
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this.setContent(' ' + text);
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this._.input.value = value;
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this.screen.saveFocus();
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this._.okay.on('press', okay = function() {
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self._.input.submit();
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});
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this._.cancel.on('press', cancel = function() {
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self._.input.cancel();
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});
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this._.input.readInput(function(err, data) {
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self.hide();
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self.screen.restoreFocus();
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self._.okay.removeListener('press', okay);
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self._.cancel.removeListener('press', cancel);
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return callback(err, data);
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});
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this.screen.render();
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};
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/**
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* Expose
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*/
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module.exports = Prompt;
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