(function(root) {
"use strict";
var Backbone = root.Backbone;
var Models = root.Rkns.Models = {};
Models.getUID = function(obj) {
var guid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g,
function(c) {
var r = Math.random() * 16 | 0, v = c === 'x' ? r
: (r & 0x3 | 0x8);
return v.toString(16);
});
if (typeof obj !== 'undefined') {
return obj.type + "-" + guid;
}
else {
return guid;
}
};
var RenkanModel = Backbone.RelationalModel.extend({
idAttribute : "_id",
constructor : function(options) {
if (typeof options !== "undefined") {
options._id = options._id || options.id || Models.getUID(this);
options.title = options.title || "";
options.description = options.description || "";
options.uri = options.uri || "";
if (typeof this.prepare === "function") {
options = this.prepare(options);
}
}
Backbone.RelationalModel.prototype.constructor.call(this, options);
},
validate : function() {
if (!this.type) {
return "object has no type";
}
},
addReference : function(_options, _propName, _list, _id, _default) {
var _element = _list.get(_id);
if (typeof _element === "undefined" &&
typeof _default !== "undefined") {
_options[_propName] = _default;
}
else {
_options[_propName] = _element;
}
}
});
// USER
var User = Models.User = RenkanModel.extend({
type : "user",
prepare : function(options) {
options.color = options.color || "#666666";
return options;
},
toJSON : function() {
return {
_id : this.get("_id"),
title : this.get("title"),
uri : this.get("uri"),
description : this.get("description"),
color : this.get("color")
};
}
});
// NODE
var Node = Models.Node = RenkanModel.extend({
type : "node",
relations : [ {
type : Backbone.HasOne,
key : "created_by",
relatedModel : User
} ],
prepare : function(options) {
var project = options.project;
this.addReference(options, "created_by", project.get("users"),
options.created_by, project.current_user);
options.description = options.description || "";
return options;
},
toJSON : function() {
return {
_id : this.get("_id"),
title : this.get("title"),
uri : this.get("uri"),
description : this.get("description"),
position : this.get("position"),
image : this.get("image"),
style : this.get("style"),
created_by : this.get("created_by") ? this.get("created_by")
.get("_id") : null,
size : this.get("size"),
clip_path : this.get("clip_path"),
shape : this.get("shape"),
type : this.get("type")
};
}
});
// EDGE
var Edge = Models.Edge = RenkanModel.extend({
type : "edge",
relations : [ {
type : Backbone.HasOne,
key : "created_by",
relatedModel : User
}, {
type : Backbone.HasOne,
key : "from",
relatedModel : Node
}, {
type : Backbone.HasOne,
key : "to",
relatedModel : Node
} ],
prepare : function(options) {
var project = options.project;
this.addReference(options, "created_by", project.get("users"),
options.created_by, project.current_user);
this.addReference(options, "from", project.get("nodes"),
options.from);
this.addReference(options, "to", project.get("nodes"), options.to);
return options;
},
toJSON : function() {
return {
_id : this.get("_id"),
title : this.get("title"),
uri : this.get("uri"),
description : this.get("description"),
from : this.get("from") ? this.get("from").get("_id") : null,
to : this.get("to") ? this.get("to").get("_id") : null,
style : this.get("style"),
created_by : this.get("created_by") ? this.get("created_by")
.get("_id") : null
};
}
});
// View
var View = Models.View = RenkanModel.extend({
type : "view",
relations : [ {
type : Backbone.HasOne,
key : "created_by",
relatedModel : User
} ],
prepare : function(options) {
var project = options.project;
this.addReference(options, "created_by", project.get("users"),
options.created_by, project.current_user);
options.description = options.description || "";
if (typeof options.offset !== "undefined") {
var offset = {};
if (Array.isArray(options.offset)) {
offset.x = options.offset[0];
offset.y = options.offset.length > 1 ? options.offset[1]
: options.offset[0];
}
else if (options.offset.x != null) {
offset.x = options.offset.x;
offset.y = options.offset.y;
}
options.offset = offset;
}
return options;
},
toJSON : function() {
return {
_id : this.get("_id"),
zoom_level : this.get("zoom_level"),
offset : this.get("offset"),
title : this.get("title"),
description : this.get("description"),
created_by : this.get("created_by") ? this.get("created_by")
.get("_id") : null,
hidden_nodes: this.get("hidden_nodes")
// Don't need project id
};
}
});
// PROJECT
var Project = Models.Project = RenkanModel.extend({
schema_version : "2",
type : "project",
blacklist : [ 'saveStatus', 'loadingStatus'],
relations : [ {
type : Backbone.HasMany,
key : "users",
relatedModel : User,
reverseRelation : {
key : 'project',
includeInJSON : '_id'
}
}, {
type : Backbone.HasMany,
key : "nodes",
relatedModel : Node,
reverseRelation : {
key : 'project',
includeInJSON : '_id'
}
}, {
type : Backbone.HasMany,
key : "edges",
relatedModel : Edge,
reverseRelation : {
key : 'project',
includeInJSON : '_id'
}
}, {
type : Backbone.HasMany,
key : "views",
relatedModel : View,
reverseRelation : {
key : 'project',
includeInJSON : '_id'
}
} ],
addUser : function(_props, _options) {
_props.project = this;
var _user = User.findOrCreate(_props);
this.get("users").push(_user, _options);
return _user;
},
addNode : function(_props, _options) {
_props.project = this;
var _node = Node.findOrCreate(_props);
this.get("nodes").push(_node, _options);
return _node;
},
addEdge : function(_props, _options) {
_props.project = this;
var _edge = Edge.findOrCreate(_props);
this.get("edges").push(_edge, _options);
return _edge;
},
addView : function(_props, _options) {
_props.project = this;
// TODO: check if need to replace with create only
var _view = View.findOrCreate(_props);
// TODO: Should we remember only one view?
this.get("views").push(_view, _options);
return _view;
},
removeNode : function(_model) {
this.get("nodes").remove(_model);
},
removeEdge : function(_model) {
this.get("edges").remove(_model);
},
validate : function(options) {
var _project = this;
_.each(
[].concat(options.users, options.nodes, options.edges,options.views),
function(_item) {
if (_item) {
_item.project = _project;
}
}
);
},
getSchemaVersion : function(data) {
var t = data;
if(typeof(t) === "undefined") {
t = this;
}
var version = t.schema_version;
if(!version) {
return 1;
}
else {
return version;
}
},
// Add event handler to remove edges when a node is removed
initialize : function() {
var _this = this;
this.on("remove:nodes", function(_node) {
_this.get("edges").remove(
_this.get("edges").filter(
function(_edge) {
return _edge.get("from") === _node ||
_edge.get("to") === _node;
}));
});
},
toJSON : function() {
var json = _.clone(this.attributes);
for ( var attr in json) {
if ((json[attr] instanceof Backbone.Model) ||
(json[attr] instanceof Backbone.Collection) ||
(json[attr] instanceof RenkanModel)) {
json[attr] = json[attr].toJSON();
}
}
return _.omit(json, this.blacklist);
}
});
var RosterUser = Models.RosterUser = Backbone.Model
.extend({
type : "roster_user",
idAttribute : "_id",
constructor : function(options) {
if (typeof options !== "undefined") {
options._id = options._id ||
options.id ||
Models.getUID(this);
options.title = options.title || "(untitled " + this.type + ")";
options.description = options.description || "";
options.uri = options.uri || "";
options.project = options.project || null;
options.site_id = options.site_id || 0;
if (typeof this.prepare === "function") {
options = this.prepare(options);
}
}
Backbone.Model.prototype.constructor.call(this, options);
},
validate : function() {
if (!this.type) {
return "object has no type";
}
},
prepare : function(options) {
options.color = options.color || "#666666";
return options;
},
toJSON : function() {
return {
_id : this.get("_id"),
title : this.get("title"),
uri : this.get("uri"),
description : this.get("description"),
color : this.get("color"),
project : (this.get("project") != null) ? this.get(
"project").get("id") : null,
site_id : this.get("site_id")
};
}
});
var UsersList = Models.UsersList = Backbone.Collection.extend({
model : RosterUser
});
})(window);