1 (function() { |
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2 |
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3 var root = this; |
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4 |
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5 var Backbone = root.Backbone; |
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6 |
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7 var Models = root.Rkns.Models = {}; |
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8 |
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9 |
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10 Models.getUID = function(obj) { |
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11 var guid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) { |
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12 var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8); |
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13 return v.toString(16); |
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14 }); |
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15 return obj.type + "-" + guid; |
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16 }; |
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17 |
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18 |
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19 var RenkanModel = Backbone.RelationalModel.extend({ |
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20 idAttribute : "_id", |
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21 constructor: function(options) { |
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22 |
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23 if (typeof options !== "undefined") { |
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24 options._id = options._id || options.id || Models.getUID(this); |
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25 options.title = options.title || "(untitled " + this.type + ")"; |
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26 options.description = options.description || ""; |
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27 options.uri = options.uri || ""; |
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28 |
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29 if(typeof this.prepare === "function") { |
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30 options = this.prepare(options); |
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31 } |
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32 } |
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33 Backbone.RelationalModel.prototype.constructor.call(this, options); |
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34 }, |
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35 validate: function() { |
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36 if(!this.type) { |
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37 return "object has no type"; |
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38 } |
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39 }, |
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40 addReference : function(_options, _propName, _list, _id, _default) { |
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41 var _element = _list.get(_id); |
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42 if (typeof _element === "undefined" && typeof _default !== "undefined") { |
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43 _options[_propName ] = _default; |
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44 } |
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45 else { |
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46 _options[_propName ] = _element; |
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47 } |
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48 } |
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49 }); |
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50 |
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51 |
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52 // USER |
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53 var User = Models.User = root.Rkns.Models.User = RenkanModel.extend({ |
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54 type: "user", |
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55 prepare: function(options) { |
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56 options.color = options.color || "#666666"; |
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57 return options; |
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58 } |
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59 |
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60 }); |
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61 |
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62 // NODE |
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63 var Node = Models.Node = root.Rkns.Models.Node = RenkanModel.extend({ |
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64 type: "node", |
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65 relations: [{ |
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66 type: Backbone.HasOne, |
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67 key: "created_by", |
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68 relatedModel: User, |
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69 reverseRelation : { |
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70 includeInJSON: '_id' |
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71 } |
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72 }], |
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73 prepare: function(options) { |
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74 project = options.project; |
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75 delete options["project"]; |
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76 this.addReference(options, "created_by", project.get("users"), options.created_by, project.current_user); |
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77 options.description = options.description || ""; |
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78 return options; |
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79 } |
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80 |
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81 }); |
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82 |
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83 // EDGE |
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84 var Edge = Models.Edge = root.Rkns.Models.Edge = RenkanModel.extend({ |
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85 type: "edge", |
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86 relations: [ |
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87 { |
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88 type: Backbone.HasOne, |
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89 key: "created_by", |
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90 relatedModel: User, |
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91 reverseRelation : { |
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92 includeInJSON: '_id' |
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93 } |
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94 }, |
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95 { |
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96 type: Backbone.HasOne, |
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97 key: "from", |
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98 relatedModel: Node |
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99 }, |
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100 { |
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101 type: Backbone.HasOne, |
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102 key: "to", |
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103 relatedModel: Node |
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104 }, |
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105 ], |
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106 prepare: function(options) { |
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107 project = options.project; |
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108 delete options.project; |
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109 this.addReference(options, "created_by", options.created_by, project.get("users"), project.current_user); |
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110 this.addReference(options, "from", options.from, project.get("nodes")); |
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111 this.addReference(options, "to", options.to, project.get("nodes")); |
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112 return options; |
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113 } |
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114 }); |
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115 |
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116 // PROJECT |
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117 var Project = Models.Project = root.Rkns.Models.Project = RenkanModel.extend({ |
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118 type: "project", |
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119 current_user : null, |
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120 relations: [ |
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121 { |
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122 type: Backbone.HasMany, |
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123 key: "users", |
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124 relatedModel: User, |
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125 reverseRelation: { |
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126 key: 'project', |
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127 includeInJSON: '_id' |
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128 }, |
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129 }, |
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130 { |
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131 type: Backbone.HasMany, |
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132 key: "nodes", |
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133 relatedModel: Node, |
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134 reverseRelation: { |
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135 key: 'project', |
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136 includeInJSON: '_id' |
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137 }, |
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138 }, |
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139 { |
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140 type: Backbone.HasMany, |
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141 key: "edges", |
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142 relatedModel: Edge, |
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143 reverseRelation: { |
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144 key: 'project', |
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145 includeInJSON: '_id' |
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146 }, |
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147 } |
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148 ], |
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149 addNode: function(_props) { |
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150 _props.project = this; |
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151 this.get("nodes").push(_props); |
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152 }, |
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153 addUser: function(_props) { |
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154 this.get("users").push(_props); |
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155 } |
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156 }); |
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157 |
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158 |
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159 }).call(this); |
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160 |
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