+ Initial source checkin

core/line_editor.js

@@ -0,0 +1,64 @@
+"use strict";
+
+var assert		= require('assert');
+var miscUtil	= require('./misc_util.js');
+
+exports.LineEditor	= LineEditor;
+
+var STANDARD_KEYSET = {
+	refresh	: [ 12 ],
+	backspace	: [ 8, 127 ],
+	backword	: [ 23 ],
+	enter		: [ 10 ],
+	exit		: [ 27 ],
+};
+
+//	:TODO: Rename to TextEdit
+//	:TODO: TextEdit should be single or multi line
+
+
+function LineEditor(client, options) {
+	var self = this;
+
+	self.client 	= client;
+	self.valueText	= '';
+
+	if(typeof options !== 'undefined') {
+		self.options.keyset = miscUtil.valueWithDefault(options.keyset, STANDARD_KEYSET);
+	} else {
+		self.options = {
+			keyset	: STANDARD_KEYSET,
+		};
+	}
+
+
+	this.client.on('data', function onData(data) {
+		assert(1 === data.length);
+		self.onCh(data);
+
+	});
+};
+
+LineEditor.prototype.isKey = function(setName, ch) {
+	return this.options.keyset[setName].indexOf(ch) > -1;
+}
+
+LineEditor.prototype.onCh = function(ch) {
+	if(this.isKey('refresh', ch)) {
+
+	} else if(this.isKey('backspace', ch)) {
+
+	} else if(this.isKey('backword', ch)) {
+
+	} else if(this.isKey('enter', ch)) {
+
+	} else if(this.isKey('exit', ch)) {
+
+	} else {
+
+		//	:TODO: filter out chars
+		//	:TODO: check max width
+		this.valueText += ch;
+		this.client.term.write(ch);
+	}
+};