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8 | 8 | -->
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9 | 9 |
|
10 | 10 | <!--
|
11 |
| -
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12 | 11 | `core-meta` provides a method of constructing a self-organizing database.
|
13 | 12 | It is useful to collate element meta-data for things like catalogs and for
|
14 | 13 | designer.
|
|
59 | 58 | <link rel="import" href="../polymer/polymer.html">
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60 | 59 |
|
61 | 60 | <polymer-element name="core-meta" attributes="list label type">
|
| 61 | +<script> |
62 | 62 |
|
63 |
| - <script> |
64 |
| - |
65 |
| - (function() { |
| 63 | + (function() { |
| 64 | + |
| 65 | + var SKIP_ID = 'meta'; |
| 66 | + var metaData = {}, metaArray = {}; |
| 67 | + |
| 68 | + Polymer('core-meta', { |
66 | 69 |
|
67 |
| - var SKIP_ID = 'meta'; |
68 |
| - var metaData = {}, metaArray = {}; |
69 |
| - |
70 |
| - Polymer('core-meta', { |
71 |
| - |
72 |
| - /** |
73 |
| - * The type of meta-data. All meta-data with the same type with be |
74 |
| - * stored together. |
75 |
| - * |
76 |
| - * @attribute type |
77 |
| - * @type string |
78 |
| - * @default 'default' |
79 |
| - */ |
80 |
| - type: 'default', |
81 |
| - |
82 |
| - alwaysPrepare: true, |
83 |
| - |
84 |
| - ready: function() { |
85 |
| - this.register(this.id); |
86 |
| - }, |
87 |
| - |
88 |
| - get metaArray() { |
89 |
| - var t = this.type; |
90 |
| - if (!metaArray[t]) { |
91 |
| - metaArray[t] = []; |
92 |
| - } |
93 |
| - return metaArray[t]; |
94 |
| - }, |
95 |
| - |
96 |
| - get metaData() { |
97 |
| - var t = this.type; |
98 |
| - if (!metaData[t]) { |
99 |
| - metaData[t] = {}; |
100 |
| - } |
101 |
| - return metaData[t]; |
102 |
| - }, |
103 |
| - |
104 |
| - register: function(id, old) { |
105 |
| - if (id && id !== SKIP_ID) { |
106 |
| - this.unregister(this, old); |
107 |
| - this.metaData[id] = this; |
108 |
| - this.metaArray.push(this); |
109 |
| - } |
110 |
| - }, |
111 |
| - |
112 |
| - unregister: function(meta, id) { |
113 |
| - delete this.metaData[id || meta.id]; |
114 |
| - var i = this.metaArray.indexOf(meta); |
115 |
| - if (i >= 0) { |
116 |
| - this.metaArray.splice(i, 1); |
117 |
| - } |
118 |
| - }, |
119 |
| - |
120 |
| - /** |
121 |
| - * Returns a list of all meta-data elements with the same type. |
122 |
| - * |
123 |
| - * @attribute list |
124 |
| - * @type array |
125 |
| - * @default [] |
126 |
| - */ |
127 |
| - get list() { |
128 |
| - return this.metaArray; |
129 |
| - }, |
130 |
| - |
131 |
| - /** |
132 |
| - * Retrieves meta-data by ID. |
133 |
| - * |
134 |
| - * @method byId |
135 |
| - * @param {String} id The ID of the meta-data to be returned. |
136 |
| - * @returns Returns meta-data. |
137 |
| - */ |
138 |
| - byId: function(id) { |
139 |
| - return this.metaData[id]; |
| 70 | + /** |
| 71 | + * The type of meta-data. All meta-data with the same type with be |
| 72 | + * stored together. |
| 73 | + * |
| 74 | + * @attribute type |
| 75 | + * @type string |
| 76 | + * @default 'default' |
| 77 | + */ |
| 78 | + type: 'default', |
| 79 | + |
| 80 | + alwaysPrepare: true, |
| 81 | + |
| 82 | + ready: function() { |
| 83 | + this.register(this.id); |
| 84 | + }, |
| 85 | + |
| 86 | + get metaArray() { |
| 87 | + var t = this.type; |
| 88 | + if (!metaArray[t]) { |
| 89 | + metaArray[t] = []; |
140 | 90 | }
|
141 |
| - |
142 |
| - }); |
| 91 | + return metaArray[t]; |
| 92 | + }, |
| 93 | + |
| 94 | + get metaData() { |
| 95 | + var t = this.type; |
| 96 | + if (!metaData[t]) { |
| 97 | + metaData[t] = {}; |
| 98 | + } |
| 99 | + return metaData[t]; |
| 100 | + }, |
| 101 | + |
| 102 | + register: function(id, old) { |
| 103 | + if (id && id !== SKIP_ID) { |
| 104 | + this.unregister(this, old); |
| 105 | + this.metaData[id] = this; |
| 106 | + this.metaArray.push(this); |
| 107 | + } |
| 108 | + }, |
| 109 | + |
| 110 | + unregister: function(meta, id) { |
| 111 | + delete this.metaData[id || meta.id]; |
| 112 | + var i = this.metaArray.indexOf(meta); |
| 113 | + if (i >= 0) { |
| 114 | + this.metaArray.splice(i, 1); |
| 115 | + } |
| 116 | + }, |
| 117 | + |
| 118 | + /** |
| 119 | + * Returns a list of all meta-data elements with the same type. |
| 120 | + * |
| 121 | + * @attribute list |
| 122 | + * @type array |
| 123 | + * @default [] |
| 124 | + */ |
| 125 | + get list() { |
| 126 | + return this.metaArray; |
| 127 | + }, |
| 128 | + |
| 129 | + /** |
| 130 | + * Retrieves meta-data by ID. |
| 131 | + * |
| 132 | + * @method byId |
| 133 | + * @param {String} id The ID of the meta-data to be returned. |
| 134 | + * @returns Returns meta-data. |
| 135 | + */ |
| 136 | + byId: function(id) { |
| 137 | + return this.metaData[id]; |
| 138 | + } |
143 | 139 |
|
144 |
| - })(); |
| 140 | + }); |
145 | 141 |
|
146 |
| - </script> |
| 142 | + })(); |
147 | 143 |
|
| 144 | +</script> |
148 | 145 | </polymer-element>
|
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