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[KiwiIRC.git] / client / src / models / applet.js

_kiwi.model.Applet = _kiwi.model.Panel.extend({\r
    initialize: function (attributes) {\r
        // Temporary name\r
        var name = "applet_"+(new Date().getTime().toString()) + Math.ceil(Math.random()*100).toString();\r
        this.view = new _kiwi.view.Applet({model: this, name: name});\r
\r
        this.set({\r
            "name": name\r
        }, {"silent": true});\r
\r
        // Holds the loaded applet\r
        this.loaded_applet = null;\r
    },\r
\r
\r
    // Load an applet within this panel\r
    load: function (applet_object, applet_name) {\r
        if (typeof applet_object === 'object') {\r
            // Make sure this is a valid Applet\r
            if (applet_object.get || applet_object.extend) {\r
\r
                // Try find a title for the applet\r
                this.set('title', applet_object.get('title') || _kiwi.global.i18n.translate('client_models_applet_unknown').fetch());\r
\r
                // Update the tabs title if the applet changes it\r
                applet_object.bind('change:title', function (obj, new_value) {\r
                    this.set('title', new_value);\r
                }, this);\r
\r
                // If this applet has a UI, add it now\r
                this.view.$el.html('');\r
                if (applet_object.view) {\r
                    this.view.$el.append(applet_object.view.$el);\r
                }\r
\r
                // Keep a reference to this applet\r
                this.loaded_applet = applet_object;\r
\r
                this.loaded_applet.trigger('applet_loaded');\r
            }\r
\r
        } else if (typeof applet_object === 'string') {\r
            // Treat this as a URL to an applet script and load it\r
            this.loadFromUrl(applet_object, applet_name);\r
        }\r
\r
        return this;\r
    },\r
\r
\r
    loadFromUrl: function(applet_url, applet_name) {\r
        var that = this;\r
\r
        this.view.$el.html(_kiwi.global.i18n.translate('client_models_applet_loading').fetch());\r
        $script(applet_url, function () {\r
            // Check if the applet loaded OK\r
            if (!_kiwi.applets[applet_name]) {\r
                that.view.$el.html(_kiwi.global.i18n.translate('client_models_applet_notfound').fetch());\r
                return;\r
            }\r
\r
            // Load a new instance of this applet\r
            that.load(new _kiwi.applets[applet_name]());\r
        });\r
    },\r
\r
\r
    close: function () {\r
        this.view.$el.remove();\r
        this.destroy();\r
        \r
        this.view = undefined;\r
\r
        // Call the applets dispose method if it has one\r
        if (this.loaded_applet && this.loaded_applet.dispose) {\r
            this.loaded_applet.dispose();\r
        }\r
\r
        this.closePanel();\r
    },\r
\r
    isApplet: function () {\r
        return true;\r
    }\r
},\r
\r
\r
{\r
    // Load an applet type once only. If it already exists, return that\r
    loadOnce: function (applet_name) {\r
\r
        // See if we have an instance loaded already\r
        var applet = _.find(_kiwi.app.panels('applets'), function(panel) {\r
            // Ignore if it's not an applet\r
            if (!panel.isApplet()) return;\r
\r
            // Ignore if it doesn't have an applet loaded\r
            if (!panel.loaded_applet) return;\r
\r
            if (panel.loaded_applet.get('_applet_name') === applet_name) {\r
                return true;\r
            }\r
        });\r
\r
        if (applet) return applet;\r
\r
\r
        // If we didn't find an instance, load a new one up\r
        return this.load(applet_name);\r
    },\r
\r
\r
    load: function (applet_name) {\r
        var applet;\r
\r
        // Find the applet within the registered applets\r
        if (!_kiwi.applets[applet_name]) return;\r
\r
        // Create the applet and load the content\r
        applet = new _kiwi.model.Applet();\r
        applet.load(new _kiwi.applets[applet_name]({_applet_name: applet_name}));\r
\r
        // Add it into the tab list\r
        _kiwi.app.applet_panels.add(applet);\r
\r
\r
        return applet;\r
    },\r
\r
\r
    register: function (applet_name, applet) {\r
        _kiwi.applets[applet_name] = applet;\r
    }\r
});