Index: bower_components/core-meta/core-meta.html |
diff --git a/bower_components/core-meta/core-meta.html b/bower_components/core-meta/core-meta.html |
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-<!-- |
-Copyright (c) 2014 The Polymer Project Authors. All rights reserved. |
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt |
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt |
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt |
-Code distributed by Google as part of the polymer project is also |
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt |
---> |
- |
-<!-- |
-`core-meta` provides a method of constructing a self-organizing database. |
-It is useful to collate element meta-data for things like catalogs and for |
-designer. |
- |
-Example, an element folder has a `metadata.html` file in it, that contains a |
-`core-meta`, something like this: |
- |
- <core-meta id="my-element" label="My Element"> |
- <property name="color" value="blue"></property> |
- </core-meta> |
- |
-An application can import as many of these files as it wants, and then use |
-`core-meta` again to access the collected data. |
- |
- <script> |
- var meta = document.createElement('core-meta'); |
- console.log(meta.list); // dump a list of all meta-data elements that have been created |
- </script> |
- |
-Use `byId(id)` to retrive a specific core-meta. |
- |
- <script> |
- var meta = document.createElement('core-meta'); |
- console.log(meta.byId('my-element')); |
- </script> |
- |
-By default all meta-data are stored in a single databse. If your meta-data |
-have different types and want them to be stored separately, use `type` to |
-differentiate them. |
- |
-Example: |
- |
- <core-meta id="x-foo" type="xElt"></core-meta> |
- <core-meta id="x-bar" type="xElt"></core-meta> |
- <core-meta id="y-bar" type="yElt"></core-meta> |
- |
- <script> |
- var meta = document.createElement('core-meta'); |
- meta.type = 'xElt'; |
- console.log(meta.list); |
- </script> |
- |
-@group Polymer Core Elements |
-@element core-meta |
-@homepage github.io |
---> |
- |
-<link rel="import" href="../polymer/polymer.html"> |
- |
-<polymer-element name="core-meta" attributes="label type" hidden> |
-<script> |
- |
- (function() { |
- |
- var SKIP_ID = 'meta'; |
- var metaData = {}, metaArray = {}; |
- |
- Polymer('core-meta', { |
- |
- /** |
- * The type of meta-data. All meta-data with the same type with be |
- * stored together. |
- * |
- * @attribute type |
- * @type string |
- * @default 'default' |
- */ |
- type: 'default', |
- |
- alwaysPrepare: true, |
- |
- ready: function() { |
- this.register(this.id); |
- }, |
- |
- get metaArray() { |
- var t = this.type; |
- if (!metaArray[t]) { |
- metaArray[t] = []; |
- } |
- return metaArray[t]; |
- }, |
- |
- get metaData() { |
- var t = this.type; |
- if (!metaData[t]) { |
- metaData[t] = {}; |
- } |
- return metaData[t]; |
- }, |
- |
- register: function(id, old) { |
- if (id && id !== SKIP_ID) { |
- this.unregister(this, old); |
- this.metaData[id] = this; |
- this.metaArray.push(this); |
- } |
- }, |
- |
- unregister: function(meta, id) { |
- delete this.metaData[id || meta.id]; |
- var i = this.metaArray.indexOf(meta); |
- if (i >= 0) { |
- this.metaArray.splice(i, 1); |
- } |
- }, |
- |
- /** |
- * Returns a list of all meta-data elements with the same type. |
- * |
- * @property list |
- * @type array |
- * @default [] |
- */ |
- get list() { |
- return this.metaArray; |
- }, |
- |
- /** |
- * Retrieves meta-data by ID. |
- * |
- * @method byId |
- * @param {String} id The ID of the meta-data to be returned. |
- * @returns Returns meta-data. |
- */ |
- byId: function(id) { |
- return this.metaData[id]; |
- } |
- |
- }); |
- |
- })(); |
- |
-</script> |
-</polymer-element> |