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| 1 <!-- | |
| 2 @license | |
| 3 Copyright (c) 2015 The Polymer Project Authors. All rights reserved. | |
| 4 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt | |
| 5 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |
| 6 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt | |
| 7 Code distributed by Google as part of the polymer project is also | |
| 8 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt | |
| 9 --> | |
| 10 | |
| 11 <link rel="import" href="../polymer/polymer.html"> | |
| 12 <link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html"> | |
| 13 <link rel="import" href="../paper-styles/paper-styles.html"> | |
| 14 | |
| 15 <!-- | |
| 16 `paper-dialog-scrollable` implements a scrolling area used in a Material Design
dialog. It shows | |
| 17 a divider at the top and/or bottom indicating more content, depending on scroll
position. Use this | |
| 18 together with elements implementing `Polymer.PaperDialogBehavior`. | |
| 19 | |
| 20 <paper-dialog-impl> | |
| 21 <h2>Header</h2> | |
| 22 <paper-dialog-scrollable> | |
| 23 Lorem ipsum... | |
| 24 </paper-dialog-scrollable> | |
| 25 <div class="buttons"> | |
| 26 <paper-button>OK</paper-button> | |
| 27 </div> | |
| 28 </paper-dialog-impl> | |
| 29 | |
| 30 It shows a top divider after scrolling if it is not the first child in its paren
t container, | |
| 31 indicating there is more content above. It shows a bottom divider if it is scrol
lable and it is not | |
| 32 the last child in its parent container, indicating there is more content below.
The bottom divider | |
| 33 is hidden if it is scrolled to the bottom. | |
| 34 | |
| 35 @group Paper Elements | |
| 36 @element paper-dialog-scrollable | |
| 37 @demo demo/index.html | |
| 38 @hero hero.svg | |
| 39 --> | |
| 40 | |
| 41 <dom-module id="paper-dialog-scrollable"> | |
| 42 | |
| 43 <style> | |
| 44 | |
| 45 :host { | |
| 46 display: block; | |
| 47 position: relative; | |
| 48 } | |
| 49 | |
| 50 :host(.is-scrolled:not(:first-child))::before { | |
| 51 content: ''; | |
| 52 position: absolute; | |
| 53 top: 0; | |
| 54 left: 0; | |
| 55 right: 0; | |
| 56 height: 1px; | |
| 57 background: var(--divider-color); | |
| 58 } | |
| 59 | |
| 60 :host(.can-scroll:not(.scrolled-to-bottom):not(:last-child))::after { | |
| 61 content: ''; | |
| 62 position: absolute; | |
| 63 bottom: 0; | |
| 64 left: 0; | |
| 65 right: 0; | |
| 66 height: 1px; | |
| 67 background: var(--divider-color); | |
| 68 } | |
| 69 | |
| 70 .scrollable { | |
| 71 padding: 0 24px; | |
| 72 | |
| 73 @apply(--layout-scroll); | |
| 74 | |
| 75 @apply(--paper-dialog-scrollable); | |
| 76 } | |
| 77 </style> | |
| 78 | |
| 79 <template> | |
| 80 <div id="scrollable" class="scrollable"> | |
| 81 <content></content> | |
| 82 </div> | |
| 83 </template> | |
| 84 | |
| 85 </dom-module> | |
| 86 | |
| 87 <script> | |
| 88 | |
| 89 (function() { | |
| 90 | |
| 91 Polymer({ | |
| 92 | |
| 93 is: 'paper-dialog-scrollable', | |
| 94 | |
| 95 properties: { | |
| 96 | |
| 97 /** | |
| 98 * The dialog element that implements `Polymer.PaperDialogBehavior` contai
ning this element. | |
| 99 * @type {?Node} | |
| 100 */ | |
| 101 dialogElement: { | |
| 102 type: Object, | |
| 103 value: function() { | |
| 104 return this.parentNode; | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 }, | |
| 109 | |
| 110 listeners: { | |
| 111 'scrollable.scroll': '_onScroll', | |
| 112 'iron-resize': '_onIronResize' | |
| 113 }, | |
| 114 | |
| 115 /** | |
| 116 * Returns the scrolling element. | |
| 117 */ | |
| 118 get scrollTarget() { | |
| 119 return this.$.scrollable; | |
| 120 }, | |
| 121 | |
| 122 attached: function() { | |
| 123 this.classList.add('no-padding'); | |
| 124 // Set itself to the overlay sizing target | |
| 125 this.dialogElement.sizingTarget = this.scrollTarget; | |
| 126 // If the host is sized, fit the scrollable area to the container. Otherwi
se let it be | |
| 127 // its natural size. | |
| 128 requestAnimationFrame(function() { | |
| 129 if (this.offsetHeight > 0) { | |
| 130 this.$.scrollable.classList.add('fit'); | |
| 131 } | |
| 132 this._scroll(); | |
| 133 }.bind(this)); | |
| 134 }, | |
| 135 | |
| 136 _scroll: function() { | |
| 137 this.toggleClass('is-scrolled', this.scrollTarget.scrollTop > 0); | |
| 138 this.toggleClass('can-scroll', this.scrollTarget.offsetHeight < this.scrol
lTarget.scrollHeight); | |
| 139 this.toggleClass('scrolled-to-bottom', | |
| 140 this.scrollTarget.scrollTop + this.scrollTarget.offsetHeight >= this.scr
ollTarget.scrollHeight); | |
| 141 }, | |
| 142 | |
| 143 _onScroll: function() { | |
| 144 this._scroll(); | |
| 145 } | |
| 146 | |
| 147 }) | |
| 148 | |
| 149 })(); | |
| 150 | |
| 151 </script> | |
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Chromium Code Reviews
Issue 1221923003:
Update bower.json for Polymer elements and add PRESUBMIT.py (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master