77 lines
2.3 KiB
JavaScript
77 lines
2.3 KiB
JavaScript
/* jslint node: true */
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'use strict';
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const View = require('./view.js').View;
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const valueWithDefault = require('./misc_util.js').valueWithDefault;
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const isPrintable = require('./string_util.js').isPrintable;
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const stylizeString = require('./string_util.js').stylizeString;
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const _ = require('lodash');
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module.exports = class KeyEntryView extends View {
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constructor(options) {
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options.acceptsFocus = valueWithDefault(options.acceptsFocus, true);
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options.acceptsInput = valueWithDefault(options.acceptsInput, true);
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super(options);
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this.eatTabKey = options.eatTabKey || true;
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this.caseInsensitive = options.caseInsensitive || true;
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if(Array.isArray(options.keys)) {
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if(this.caseInsensitive) {
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this.keys = options.keys.map( k => k.toUpperCase() );
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} else {
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this.keys = options.keys;
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}
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}
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}
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onKeyPress(ch, key) {
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const drawKey = ch;
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if(ch && this.caseInsensitive) {
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ch = ch.toUpperCase();
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}
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if(drawKey && isPrintable(drawKey) && (!this.keys || this.keys.indexOf(ch) > -1)) {
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this.redraw(); // sets position
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this.client.term.write(stylizeString(ch, this.textStyle));
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}
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this.keyEntered = ch || key.name;
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if(key && 'tab' === key.name && !this.eatTabKey) {
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return this.emit('action', 'next', key);
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}
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this.emit('action', 'accept');
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// NOTE: we don't call super here. KeyEntryView is a special snowflake.
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}
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setPropertyValue(propName, propValue) {
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switch(propName) {
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case 'eatTabKey' :
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if(_.isBoolean(propValue)) {
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this.eatTabKey = propValue;
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}
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break;
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case 'caseInsensitive' :
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if(_.isBoolean(propValue)) {
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this.caseInsensitive = propValue;
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}
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break;
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case 'keys' :
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if(Array.isArray(propValue)) {
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this.keys = propValue;
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}
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break;
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}
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super.setPropertyValue(propName, propValue);
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}
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getData() { return this.keyEntered; }
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}; |