npm_modules: Fork bower_components into Polymer 0.4.0 and 0.5.0 versions

bower_components/core-selection/core-selection.html

Index: bower_components/core-selection/core-selection.html
diff --git a/bower_components/core-selection/core-selection.html b/bower_components/core-selection/core-selection.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
--->
-<!--
-@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)
-use 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
--->
-<link rel="import" href="../polymer/polymer.html">
-
-<polymer-element name="core-selection" attributes="multi" hidden>
-  <script>
-    Polymer('core-selection', {
-      /**
-       * If true, multiple selections are allowed.
-       *
-       * @attribute multi
-       * @type boolean
-       * @default false
-       */
-      multi: false,
-      ready: function() {
-        this.clear();
-      },
-      clear: function() {
-        this.selection = [];
-      },
-      /**
-       * Retrieves the selected item(s).
-       * @method getSelection
-       * @returns Returns the selected item(s). If the multi property is true,
-       * getSelection will return an array, otherwise it will return 
-       * the selected item or undefined if there is no selection.
-      */
-      getSelection: function() {
-        return this.multi ? this.selection : this.selection[0];
-      },
-      /**
-       * Indicates if a given item is selected.
-       * @method isSelected
-       * @param {any} item The item whose selection state should be checked.
-       * @returns Returns true if `item` is selected.
-      */
-      isSelected: function(item) {
-        return this.selection.indexOf(item) >= 0;
-      },
-      setItemSelected: function(item, isSelected) {
-        if (item !== undefined && item !== null) {
-          if (isSelected) {
-            this.selection.push(item);
-          } else {
-            var i = this.selection.indexOf(item);
-            if (i >= 0) {
-              this.selection.splice(i, 1);
-            }
-          }
-          this.fire("core-select", {isSelected: isSelected, item: item});
-        }
-      },
-      /**
-       * Set the selection state for a given `item`. If the multi property
-       * is true, then the selected state of `item` will be toggled; otherwise
-       * the `item` will be selected.
-       * @method select
-       * @param {any} item: The item to select.
-      */
-      select: function(item) {
-        if (this.multi) {
-          this.toggle(item);
-        } else if (this.getSelection() !== item) {
-          this.setItemSelected(this.getSelection(), false);
-          this.setItemSelected(item, true);
-        }
-      },
-      /**
-       * Toggles the selection state for `item`.
-       * @method toggle
-       * @param {any} item: The item to toggle.
-      */
-      toggle: function(item) {
-        this.setItemSelected(item, !this.isSelected(item));
-      }
-    });
-  </script>
-</polymer-element>