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fix startup process, remove Canon object and expose registration functions directly

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This commit is contained in:
Joe Walker 2010-11-24 14:14:18 +00:00
commit b92164036f
1 changed files with 56 additions and 39 deletions
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95
plugins/pilot/lib/canon.js
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@ -37,61 +37,78 @@
define(function(require, exports, module) {
var console = require('pilot/console');
var Trace = require('pilot/stacktrace').Trace;
var oop = require("pilot/oop").oop;
var EventEmitter = require("pilot/event_emitter").EventEmitter;
var catalog = require("pilot/catalog");
/*
// TODO: this doesn't belong here - or maybe anywhere?
var dimensionsChangedExtensionSpec = {
name: "dimensionsChanged",
description: "A dimensionsChanged is a way to be notified of " +
"changes to the dimension of Skywriter"
};
exports.startup = function(data, reason) {
catalog.addExtensionSpec(commandExtensionSpec);
};
exports.shutdown = function(data, reason) {
catalog.removeExtensionSpec(commandExtensionSpec);
};
*/
var commandExtensionSpec = {
name: "command",
description: "A command is a bit of functionality with optional " +
"typed arguments which can do something small like moving " +
"the cursor around the screen, or large like cloning a " +
"project from VCS.",
indexOn: "name"
};
exports.startup = function(data, reason) {
if (!data.env || !data.env.settings) {
return;
}
var settings = data.env.settings;
// TODO register these using new registration functionality
// catalog.addExtensionPoint("command", {
// "description":
// "A command is a bit of functionality with optional typed arguments which can do something small like moving the cursor around the screen, or large like cloning a project from VCS.",
// "indexOn": "name"
// });
// catalog.addExtensionPoint("addedRequestOutput", {
// "description":
// "An extension point to be called whenever a new command begins output."
// });
// catalog.addExtensionPoint("dimensionsChanged", {
// "description":
// "A dimensionsChanged is a way to be notified of changes to the dimension of Skywriter"
// });
settings.addSetting({
"name": "historyLength",
"description": "How many typed commands do we recall for reference?",
"type": "number",
"defaultValue": 50
});
catalog.addExtensionSpec(commandExtensionSpec);
};
exports.shutdown = function(data, reason) {
var settings = data.env.settings;
settings.removeSetting('historyLength');
catalog.removeExtensionSpec(commandExtensionSpec);
};
exports.Canon = function() {
this._commands = {};
/**
* Manage a list of commands in the current canon
*/
var commands = {};
exports.addCommand = function(command) {
if (!command.name) {
throw new Error("All registered commands must have a name");
}
commands[command.name] = command;
};
exports.Canon.prototype = {
addCommand: function(options) {
if (!options.name) {
throw new Error("All registered commands must have a name");
}
this._commands[name] = options;
},
removeCommand: function(name) {
delete this._commands[name];
exports.removeCommand = function(command) {
if (typeof command === "string") {
delete commands[command];
}
else {
delete commands[command.name];
}
};
exports.getCommand = function(name) {
return commands[name];
};
exports.getCommands = function() {
return Object.keys(commands);
};
/**
* We publish a 'addedRequestOutput' event whenever new command begins output
* TODO: make this more obvious
*/
oop.implement(exports, EventEmitter);
/**