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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 --><html><head><link rel="import" href="../polymer/polymer.html"> | |
10 <link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html"> | |
11 <link rel="import" href="../iron-validatable-behavior/iron-validatable-behavior.
html"> | |
12 | |
13 <!-- | |
14 `iron-autogrow-textarea` is an element containing a textarea that grows in heigh
t as more | |
15 lines of input are entered. Unless an explicit height or the `maxRows` property
is set, it will | |
16 never scroll. | |
17 | |
18 Example: | |
19 | |
20 <iron-autogrow-textarea id="a1"> | |
21 <textarea id="t1"></textarea> | |
22 </iron-autogrow-textarea> | |
23 | |
24 Because the `textarea`'s `value` property is not observable, you should use | |
25 this element's `bind-value` instead for imperative updates. | |
26 | |
27 @group Iron Elements | |
28 @hero hero.svg | |
29 @demo demo/index.html | |
30 --> | |
31 | |
32 </head><body><dom-module id="iron-autogrow-textarea"> | |
33 | |
34 <style> | |
35 :host { | |
36 display: inline-block; | |
37 position: relative; | |
38 width: 400px; | |
39 border: 1px solid; | |
40 padding: 2px; | |
41 -moz-appearance: textarea; | |
42 -webkit-appearance: textarea; | |
43 } | |
44 | |
45 .mirror-text { | |
46 visibility: hidden; | |
47 word-wrap: break-word; | |
48 } | |
49 | |
50 textarea { | |
51 position: relative; | |
52 outline: none; | |
53 border: none; | |
54 resize: none; | |
55 background: inherit; | |
56 /* see comments in template */ | |
57 width: 100%; | |
58 height: 100%; | |
59 font-size: inherit; | |
60 font-family: inherit; | |
61 } | |
62 | |
63 ::content textarea:invalid { | |
64 box-shadow: none; | |
65 } | |
66 | |
67 </style> | |
68 <template> | |
69 <!-- the mirror sizes the input/textarea so it grows with typing --> | |
70 <div id="mirror" class="mirror-text" aria-hidden="true"> </div> | |
71 | |
72 <!-- size the input/textarea with a div, because the textarea has intrinsic
size in ff --> | |
73 <div class="textarea-container fit"> | |
74 <textarea id="textarea" required$="[[required]]" rows$="[[rows]]" maxlengt
h$="[[maxlength]]"></textarea> | |
75 </div> | |
76 </template> | |
77 | |
78 </dom-module><script src="iron-autogrow-textarea-extracted.js"></script></body><
/html> | |
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