86 lines
2.5 KiB
JavaScript
86 lines
2.5 KiB
JavaScript
"use strict";
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var ModelVocabulary = require("../lib/wModel/vocabulary");
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var Vocabulary = require("../lib/wType/vocabulary");
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var String = require("../lib/wType/string");
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var Commands = ModelVocabulary.inherit({
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"className": "Commands",
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"constructor": function(address) {
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ModelVocabulary.fn.constructor.call(this, address);
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this._commands = global.Object.create(null);
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},
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"destructor": function() {
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for (var key in this._commands) {
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var cmd = this._commands[key];
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if (cmd.enabled) {
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this._removeHandler(cmd.handler);
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}
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cmd.name.destructor();
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cmd.handler.destructor();
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cmd.arguments.destructor();
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delete this._commands[key];
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}
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ModelVocabulary.fn.destructor.call(this);
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},
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"addCommand": function(key, handler, args) {
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if (this._commands[key]) {
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throw new Error("Command with this key already exist");
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}
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this._commands[key] = {
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name: new String(key),
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handler: handler,
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arguments: args,
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enabled: false
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}
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},
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"_disableCommand": function(cmd) {
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this._removeHandler(cmd.handler);
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cmd.enabled = false;
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this.erase(cmd.name.toString());
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},
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"enableCommand": function(key, value) {
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var cmd = this._commands[key];
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if (!cmd) {
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throw new Error("An attempt to access non existing command: " + key);
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}
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if (cmd.enabled !== value) {
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if (value) {
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this._enableCommand(cmd);
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} else {
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this._disableCommand(cmd);
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}
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}
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},
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"_enableCommand": function(cmd) {
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this._addHandler(cmd.handler);
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cmd.enabled = true;
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var vc = new Vocabulary();
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vc.insert("address", cmd.handler.address.clone());
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vc.insert("arguments", cmd.arguments.clone());
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this.insert(cmd.name.toString(), vc);
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},
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"removeCommand": function(name) {
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var cmd = this._commands[name];
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if (cmd === undefined) {
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throw new Error("An attempt to access non existing command: " + key);
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}
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if (cmd.enabled) {
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this._disableCommand(cmd);
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}
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cmd.name.destructor();
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cmd.handler.destructor();
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cmd.arguments.destructor();
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delete this._commands[name];
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}
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});
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module.exports = Commands;
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