I_changed_another_theme

2026-06-13 16:18:09 -07:00 · 2016-08-16 20:03:40 -04:00
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+<!--
+@license
+Copyright (c) 2015 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
+-->
+
+<link rel="import" href="../polymer/polymer.html">
+<link rel="import" href="../iron-menu-behavior/iron-menu-behavior.html">
+<link rel="import" href="../paper-styles/paper-styles.html">
+
+<!--
+`<paper-menu>` implements an accessible menu control with Material Design styling. The focused item
+is highlighted, and the selected item has bolded text.
+
+    <paper-menu>
+      <paper-item>Item 1</paper-item>
+      <paper-item>Item 2</paper-item>
+    </paper-menu>
+
+Make a multi-select menu with the `multi` attribute. Items in a multi-select menu can be deselected,
+and multiple item can be selected.
+
+    <paper-menu multi>
+      <paper-item>Item 1</paper-item>
+      <paper-item>Item 2</paper-item>
+    </paper-menu>
+
+### Styling
+
+The following custom properties and mixins are available for styling:
+
+Custom property | Description | Default
+----------------|-------------|----------
+`--paper-menu-background-color`   | Menu background color                                            | `--primary-background-color`
+`-paper-menu-color`               | Menu foreground color                                            | `--primary-text-color`
+`--paper-menu-disabled-color`     | Foreground color for a disabled item                             | `--disabled-text-color`
+`--paper-menu`                    | Mixin applied to the menu                                        | `{}`
+`--paper-menu-selected-item`      | Mixin applied to the selected item                               | `{}`
+`--paper-menu-focused-item`       | Mixin applied to the focused item                                | `{}`
+`--paper-menu-focused-item-after` | Mixin applied to the ::after pseudo-element for the focused item | `{}`
+
+### Accessibility
+
+`<paper-menu>` has `role="menu"` by default. A multi-select menu will also have
+`aria-multiselectable` set. It implements key bindings to navigate through the menu with the up and
+down arrow keys, esc to exit the menu, and enter to activate a menu item. Typing the first letter
+of a menu item will also focus it.
+
+@group Paper Elements
+@element paper-menu
+@hero hero.svg
+@demo demo/index.html
+-->
+
+<dom-module id="paper-menu">
+
+  <style>
+
+    :host {
+      display: block;
+      padding: 8px 0;
+
+      background: var(--paper-menu-background-color, --primary-background-color);
+      color: var(--paper-menu-color, --primary-text-color);
+
+      @apply(--paper-menu);
+    }
+
+    /* need a wrapper element to make this higher specificity than the :host rule in paper-item */
+    .content > ::content > .iron-selected {
+      font-weight: bold;
+
+      @apply(--paper-menu-selected-item);
+    }
+
+    .content > ::content > [disabled] {
+      color: var(--paper-menu-disabled-color, --disabled-text-color);
+    }
+
+    .content > ::content > *:focus {
+      position: relative;
+      outline: 0;
+
+      @apply(--paper-menu-colored-focused-item);
+    }
+
+    .content > ::content > *:focus:after {
+      @apply(--layout-fit);
+      background: currentColor;
+      /* FIXME move to paper-styles for next widget */
+      opacity: 0.12;
+      content: '';
+
+      @apply(--paper-menu-colored-focused-item-after);
+    }
+
+    .content > ::content > *[colored]:focus:after {
+      opacity: 0.26;
+    }
+
+  </style>
+
+  <template>
+
+    <div class="content">
+      <content></content>
+    </div>
+
+  </template>
+
+</dom-module>
+
+<script>
+
+(function() {
+
+  Polymer({
+
+    is: 'paper-menu',
+
+    behaviors: [
+      Polymer.IronMenuBehavior
+    ]
+
+  });
+
+})();
+
+</script>