/**
 * AddOnManager.js
 *
 * Copyright, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/**
 * This class handles the loading of themes/plugins or other add-ons and their language packs.
 *
 * @class tinymce.AddOnManager
 */
define("tinymce/AddOnManager", [
    "tinymce/dom/ScriptLoader",
    "tinymce/util/Tools"
], function(ScriptLoader, Tools) {
    var each = Tools.each;

    function AddOnManager() {
        var self = this;

        self.items = [];
        self.urls = {};
        self.lookup = {};
    }

    AddOnManager.prototype = {
        /**
         * Returns the specified add on by the short name.
         *
         * @method get
         * @param {String} name Add-on to look for.
         * @return {tinymce.Theme/tinymce.Plugin} Theme or plugin add-on instance or undefined.
         */
        get: function(name) {
            if (this.lookup[name]) {
                return this.lookup[name].instance;
            } else {
                return undefined;
            }
        },

        dependencies: function(name) {
            var result;

            if (this.lookup[name]) {
                result = this.lookup[name].dependencies;
            }

            return result || [];
        },

        /**
         * Loads a language pack for the specified add-on.
         *
         * @method requireLangPack
         * @param {String} name Short name of the add-on.
         */
        requireLangPack: function(name) {
            var settings = AddOnManager.settings;

            if (settings && settings.language && settings.language_load !== false) {
                ScriptLoader.ScriptLoader.add(this.urls[name] + '/langs/' + settings.language + '.js');
            }
        },

        /**
         * Adds a instance of the add-on by it's short name.
         *
         * @method add
         * @param {String} id Short name/id for the add-on.
         * @param {tinymce.Theme/tinymce.Plugin} addOn Theme or plugin to add.
         * @return {tinymce.Theme/tinymce.Plugin} The same theme or plugin instance that got passed in.
         * @example
         * // Create a simple plugin
         * tinymce.create('tinymce.plugins.TestPlugin', {
         *     TestPlugin: function(ed, url) {
         *         ed.on('click', function(e) {
         *             ed.windowManager.alert('Hello World!');
         *         });
         *     }
         * });
         *
         * // Register plugin using the add method
         * tinymce.PluginManager.add('test', tinymce.plugins.TestPlugin);
         *
         * // Initialize TinyMCE
         * tinymce.init({
         *    ...
         *    plugins: '-test' // Init the plugin but don't try to load it
         * });
         */
        add: function(id, addOn, dependencies) {
            this.items.push(addOn);
            this.lookup[id] = {instance: addOn, dependencies: dependencies};

            return addOn;
        },

        createUrl: function(baseUrl, dep) {
            if (typeof dep === "object") {
                return dep;
            } else {
                return {prefix: baseUrl.prefix, resource: dep, suffix: baseUrl.suffix};
            }
        },

        /**
         * Add a set of components that will make up the add-on. Using the url of the add-on name as the base url.
         * This should be used in development mode.  A new compressor/javascript munger process will ensure that the
         * components are put together into the plugin.js file and compressed correctly.
         *
         * @method addComponents
         * @param {String} pluginName name of the plugin to load scripts from (will be used to get the base url for the plugins).
         * @param {Array} scripts Array containing the names of the scripts to load.
         */
        addComponents: function(pluginName, scripts) {
            var pluginUrl = this.urls[pluginName];

            each(scripts, function(script) {
                ScriptLoader.ScriptLoader.add(pluginUrl + "/" + script);
            });
        },

        /**
         * Loads an add-on from a specific url.
         *
         * @method load
         * @param {String} n Short name of the add-on that gets loaded.
         * @param {String} u URL to the add-on that will get loaded.
         * @param {function} cb Optional callback to execute ones the add-on is loaded.
         * @param {Object} s Optional scope to execute the callback in.
         * @example
         * // Loads a plugin from an external URL
         * tinymce.PluginManager.load('myplugin', '/some/dir/someplugin/plugin.js');
         *
         * // Initialize TinyMCE
         * tinymce.init({
         *    ...
         *    plugins: '-myplugin' // Don't try to load it again
         * });
         */
        load: function(n, u, cb, s) {
            var t = this, url = u;

            function loadDependencies() {
                var dependencies = t.dependencies(n);

                each(dependencies, function(dep) {
                    var newUrl = t.createUrl(u, dep);

                    t.load(newUrl.resource, newUrl, undefined, undefined);
                });

                if (cb) {
                    if (s) {
                        cb.call(s);
                    } else {
                        cb.call(ScriptLoader);
                    }
                }
            }

            if (t.urls[n]) {
                return;
            }

            if (typeof u === "object") {
                url = u.prefix + u.resource + u.suffix;
            }

            if (url.indexOf('/') !== 0 && url.indexOf('://') == -1) {
                url = AddOnManager.baseURL + '/' + url;
            }

            t.urls[n] = url.substring(0, url.lastIndexOf('/'));

            if (t.lookup[n]) {
                loadDependencies();
            } else {
                ScriptLoader.ScriptLoader.add(url, loadDependencies, s);
            }
        }
    };

    AddOnManager.PluginManager = new AddOnManager();
    AddOnManager.ThemeManager = new AddOnManager();

    return AddOnManager;
});

/**
 * TinyMCE theme class.
 *
 * @class tinymce.Theme
 */

/**
 * This method is responsible for rendering/generating the overall user interface with toolbars, buttons, iframe containers etc.
 *
 * @method renderUI
 * @param {Object} obj Object parameter containing the targetNode DOM node that will be replaced visually with an editor instance.
 * @return {Object} an object with items like iframeContainer, editorContainer, sizeContainer, deltaWidth, deltaHeight.
 */

/**
 * Plugin base class, this is a pseudo class that describes how a plugin is to be created for TinyMCE. The methods below are all optional.
 *
 * @class tinymce.Plugin
 * @example
 * tinymce.PluginManager.add('example', function(editor, url) {
 *     // Add a button that opens a window
 *     editor.addButton('example', {
 *         text: 'My button',
 *         icon: false,
 *         onclick: function() {
 *             // Open window
 *             editor.windowManager.open({
 *                 title: 'Example plugin',
 *                 body: [
 *                     {type: 'textbox', name: 'title', label: 'Title'}
 *                 ],
 *                 onsubmit: function(e) {
 *                     // Insert content when the window form is submitted
 *                     editor.insertContent('Title: ' + e.data.title);
 *                 }
 *             });
 *         }
 *     });
 *
 *     // Adds a menu item to the tools menu
 *     editor.addMenuItem('example', {
 *         text: 'Example plugin',
 *         context: 'tools',
 *         onclick: function() {
 *             // Open window with a specific url
 *             editor.windowManager.open({
 *                 title: 'TinyMCE site',
 *                 url: 'http://www.tinymce.com',
 *                 width: 800,
 *                 height: 600,
 *                 buttons: [{
 *                     text: 'Close',
 *                     onclick: 'close'
 *                 }]
 *             });
 *         }
 *     });
 * });
 */