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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
- --><!--
- @group Polymer Core Elements
-
- The `<core-selection>` element is used to manage selection state. It has no
- visual appearance and is typically used in conjunction with another element.
- For example, [core-selector](#core-selector)
- uses a `<core-selection>` to manage selection.
-
- To mark an item as selected, call the `select(item)` method on
- `<core-selection>`. The item itself is an argument to this method.
-
- The `<core-selection>`element manages selection state for any given set of
- items. When an item is selected, the `core-select` event is fired.
-
- The attribute `multi` indicates if multiple items can be selected at once.
-
- Example:
-
- <polymer-element name="selection-example">
- <template>
- <style>
- polyfill-next-selector { content: ':host > .selected'; }
- ::content > .selected {
- font-weight: bold;
- font-style: italic;
- }
- </style>
- <ul on-tap="{{itemTapAction}}">
- <content></content>
- </ul>
- <core-selection id="selection" multi
- on-core-select="{{selectAction}}"></core-selection>
- </template>
- <script>
- Polymer('selection-example', {
- itemTapAction: function(e, detail, sender) {
- this.$.selection.select(e.target);
- },
- selectAction: function(e, detail, sender) {
- detail.item.classList.toggle('selected', detail.isSelected);
- }
- });
- </script>
- </polymer-element>
-
- <selection-example>
- <li>Red</li>
- <li>Green</li>
- <li>Blue</li>
- </selection-example>
-
- @element core-selection
- --><!--
- Fired when an item's selection state is changed. This event is fired both
- when an item is selected or deselected. The `isSelected` detail property
- contains the selection state.
-
- @event core-select
- @param {Object} detail
- @param {boolean} detail.isSelected true for selection and false for de-selection
- @param {Object} detail.item the item element
- --><html><head><link rel="import" href="../polymer/polymer.html">
-
- </head><body><polymer-element name="core-selection" attributes="multi" hidden="" assetpath="">
-
- </polymer-element>
- <script src="core-selection-extracted.js"></script></body></html>