preferences.js

Go to the documentation of this file.

 
define( [
                'remoto!stdlib:js/include/objectRegistry.js',
                'include/modal/modal',
        ],
        function(objectRegistry,modal)
        {
                'use strict';
 
                function preferences()
                {
                        this._vars = {};
                        this._objectLoader = null;
                }
 
                preferences.prototype = {
 
                        update: function( p )
                                {
                                        //console.log("updating preferences!");
                                        //console.log(p);
                                        //console.log(this._vars);
                                        //return;
 
                                        if (!p)
                                        {
                                                console.warn("Received null preference update.  Returning.");
                                                return;
                                        }
 
                                        p = p.attributes ? p.attributes : p;
 
                                        for (var v in p)
                                        {
                                                if (v === "style")
                                                {
                                                        var oldStyle = this._vars[v];
                                                        if (p[v].value !== oldStyle)
                                                        {
                                                                $("link[userStyle=true]").remove();
                                                                if (p[v].value)
                                                                        $("head").append("<link type='text/css' rel='stylesheet' href='"+p[v].value+"' userStyle='true' />");
                                                        }
                                                }
 
                                                if (v === "javascript")
                                                {
                                                        $("script[userJS=true]").remove();
                                                        if (p[v].value)
                                                                $("head").append("<script src='"+p[v].value+"' userJS='true' />");
                                                }
 
                                                this._vars[v] = p[v].value;
                                        }
 
                                        //console.log(this._vars);
                                },
 
                        applyDiff: function( diff, user )
                                {
                                        //console.log("applyDiff preferences!");
                                        this.update(diff);
                                },
 
                        applySubscription: function(data, metadata)
                                {
                                        //console.log("applySubscription preferences!");
                                        //console.log(arguments,this._vars);
 
                                        if (data.base)
                                        {
                                                if (!this._objectLoader)
                                                        this._objectLoader = new objectRegistry.objectLoader( this._vars["preferencesBase"] );
                                                return this._objectLoader.fetchDefinition( data.base, data, this.update.bind(this) );
                                        }
                                        else
                                                return this.update(data);
                                },
 
                        apply:  function( value )
                                {
                                        var v;
                                        var r = value;
                                        var changed = false;
                                        var p;
 
                                        //var d = new Date();
                                        //variables["datetime"] = d.toLocaleString();
                   
                                        for (var variable in this._vars)
                                        {
                                                p = new RegExp("#"+variable+"#","g");
                                                v = r;
                                                r = r.replace(p, variables[variable]);
                                                if ( r != v )
                                                        changed = true;
                                        }
                   
                                        return changed ? r : false;
                                },
 
                        fetch:  function( v,_default )
                                {
                                        if (v in this._vars)
                                                return this._vars[v];
                                        else
                                                return _default;
                                },
 
                        set:    function( n, v )
                                {
                                        this._vars[n] = v;
                                },
 
                        reset:  function()
                                {
                                        this._vars = {};
                                },
 
                        applyRequestSuccess: function(command,path,data,metadata)
                                {
                                        if (command === "rm")
                                        {
                                                setTimeout( function()
                                                {
                                                        console.log("Preferences deleted.");
                                                        modal.cancelAllModals();
                                                        //$(window).trigger("logout");
                                                        $(window).trigger("reload");
                                                }, 0 );
                                        }
                                        else
                                                console.error("Preferences request success",arguments);
                                }
                }
 
                return new preferences();
        }
);