| <!doctype html> |
| <!-- |
| @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 |
| --> |
| <html> |
| <head> |
| |
| <meta charset="utf-8"> |
| <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> |
| <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes"> |
| |
| <title>iron-autogrow-textarea demo</title> |
| |
| <script src="../../webcomponentsjs/webcomponents-lite.js"></script> |
| <link rel="import" href="../../iron-demo-helpers/demo-snippet.html"> |
| <link rel="import" href="../../iron-demo-helpers/demo-pages-shared-styles.html"> |
| <link rel="import" href="../iron-autogrow-textarea.html"> |
| |
| <style is="custom-style" include="demo-pages-shared-styles"> |
| iron-autogrow-textarea { |
| display: block; |
| width: 200px; |
| margin: 5px 0; |
| } |
| |
| textarea { |
| width: 200px; |
| } |
| |
| .vertical-section { |
| box-sizing: border-box; |
| width: 400px; |
| margin: 0; |
| } |
| </style> |
| </head> |
| <body unresolved> |
| <div class="vertical-section-container centered"> |
| <h3>An iron-autogrow-textarea grows automatically as more text is entered</h3> |
| <demo-snippet class="centered-demo"> |
| <template> |
| <iron-autogrow-textarea></iron-autogrow-textarea> |
| </template> |
| </demo-snippet> |
| |
| <h3>The maximum height can be controlled either through the <i>max-rows</i> |
| property, or through a fixed max height</h3> |
| <demo-snippet class="centered-demo"> |
| <template> |
| <iron-autogrow-textarea max-rows="4" placeholder="scrolls after 4 rows"></iron-autogrow-textarea> |
| <iron-autogrow-textarea style="max-height: 50px;" placeholder="scrolls after 50px"></iron-autogrow-textarea> |
| </template> |
| </demo-snippet> |
| |
| <h3>The initial height can also be controlled using the <i>rows</i> property, |
| or through a fixed height</h3> |
| <demo-snippet class="centered-demo"> |
| <template> |
| <iron-autogrow-textarea rows="4" placeholder="start with 4 rows"></iron-autogrow-textarea> |
| <iron-autogrow-textarea style="height: 50px;"></iron-autogrow-textarea> |
| </template> |
| </demo-snippet> |
| |
| <h3>Example of updating the value imperatively</h3> |
| <!-- TODO: replace this with a demo-snippet when https://github.com/webcomponents/webcomponentsjs/issues/362 |
| is fixed --> |
| <div class="example"> |
| <template is="dom-bind"> |
| <div class="vertical-section"> |
| <iron-autogrow-textarea bind-value="{{bindValue}}" id="a1"></iron-autogrow-textarea> |
| <br> |
| <code>bind-value</code>: <span>[[bindValue]]</span> |
| <p on-click="setValue"> |
| Imperatively changing <code>bind-value</code> will also update |
| <code>textarea.value</code>:<br> |
| <textarea></textarea> |
| <button value="bindValue">set</button> |
| <br><br> |
| |
| Imperatively updating <code>textarea.value</code> will update |
| the display, but not update <code>bind-value</code>:<br> |
| <textarea></textarea> |
| <button value="value">set</button> |
| </p> |
| </div> |
| </template> |
| </div> |
| </div> |
| <script> |
| var scope = document.querySelector('template[is=dom-bind]'); |
| |
| scope.setValue = function(event) { |
| if (!(event.target instanceof HTMLButtonElement)) { |
| return; |
| } |
| var inputValue = event.target.previousElementSibling.value; |
| if (event.target.value == "bindValue") { |
| document.querySelector('#a1').bindValue = inputValue; |
| } else { |
| document.querySelector('#a1').textarea.value = inputValue; |
| } |
| } |
| </script> |
| </body> |
| </html> |
