Add KeyEntryView (%KE)

core/key_entry_view.js

@@ -0,0 +1,63 @@
+/* jslint node: true */
+'use strict';
+
+const View				= require('./view.js').View;
+const valueWithDefault	= require('./misc_util.js').valueWithDefault;
+const isPrintable		= require('./string_util.js').isPrintable;
+const stylizeString		= require('./string_util.js').stylizeString;
+
+const _					= require('lodash');
+
+module.exports = class KeyEntryView extends View {
+	constructor(options) {
+		options.acceptsFocus = valueWithDefault(options.acceptsFocus, true);
+		options.acceptsInput = valueWithDefault(options.acceptsInput, true);
+
+		super(options);
+
+		this.eatTabKey = options.eatTabKey || true;
+		this.caseInsensitive = options.caseInsensitive || true;
+
+		//	:TODO: allow (by default) only supplied keys[] to even draw
+	}
+
+	onKeyPress(ch, key) {
+		if(ch && isPrintable(ch)) {
+			this.redraw();	//	sets position
+			this.client.term.write(stylizeString(ch, this.textStyle));
+		}
+
+		if(this.caseInsensitive) {
+			ch = ch.toUpperCase();
+		}
+
+		this.keyEntered = ch || key.name;
+
+		if(key && 'tab' === key.name && !this.eatTabKey) {
+			return this.emit('action', 'next', key);
+		}
+		
+		this.emit('action', 'accept');
+		//	NOTE: we don't call super here. KeyEntryView is a special snowflake.
+	}
+
+	setPropertyValue(propName, propValue) {
+		switch(propName) {
+		case 'eatTabKey' :
+			if(_.isBoolean(propValue)) {
+				this.eatTabKey = propValue;
+			}
+			break;
+
+		case 'caseInsensitive' :
+			if(_.isBoolean(propValue)) {
+				this.caseInsensitive = propValue;
+			}
+			break;
+		}
+		
+		super.setPropertyValue(propName, propValue);
+	}
+
+	getData() {	return this.keyEntered; }
+};