| <!doctype html> |
| <!-- |
| 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 |
| --> |
| <html> |
| <head> |
| <meta charset="UTF-8"> |
| <title>core-selector-multi</title> |
| |
| <script src="../../webcomponentsjs/webcomponents.js"></script> |
| <script src="../../web-component-tester/browser.js"></script> |
| |
| <link rel="import" href="../core-selector.html"> |
| |
| <style> |
| .core-selected { |
| background: #ccc; |
| } |
| </style> |
| |
| </head> |
| <body> |
| |
| <core-selector id="selector" multi> |
| <div>Item 1</div> |
| <div>Item 2</div> |
| <div>Item 3</div> |
| <div>Item 4</div> |
| <div>Item 5</div> |
| </core-selector> |
| |
| <script> |
| |
| var s = document.querySelector('#selector'); |
| |
| suite('multi', function() { |
| |
| test('honors the multi attribute', function() { |
| assert.isTrue(s.multi); |
| }); |
| |
| test('has sane defaults', function() { |
| assert.equal(s.selected, null); |
| assert.equal(s.selectedClass, 'core-selected'); |
| assert.equal(s.valueattr, 'name'); |
| assert.equal(s.items.length, 5); |
| }); |
| |
| test('allows multi-selection', function(done) { |
| // setup listener for core-select event |
| var selectEventCounter = 0; |
| s.addEventListener('core-select', function(e) { |
| if (e.detail.isSelected) { |
| selectEventCounter++; |
| } else { |
| selectEventCounter--; |
| } |
| }); |
| // set selected |
| s.selected = [0, 2]; |
| asyncPlatformFlush(function() { |
| // check core-select event |
| assert.equal(selectEventCounter, 2); |
| // check selected class |
| assert.isTrue(s.children[0].classList.contains('core-selected')); |
| assert.isTrue(s.children[2].classList.contains('core-selected')); |
| // check selectedItem |
| assert.equal(s.selectedItem.length, 2); |
| assert.equal(s.selectedItem[0], s.children[0]); |
| assert.equal(s.selectedItem[1], s.children[2]); |
| // tap on already selected element should unselect it |
| s.children[0].dispatchEvent(new CustomEvent('tap', {bubbles: true})); |
| // check selected |
| assert.equal(s.selected.length, 1); |
| asyncPlatformFlush(function() { |
| assert.equal(selectEventCounter, 1); |
| assert.isFalse(s.children[0].classList.contains('core-selected')); |
| // add selected |
| s.selected.push(3); |
| s.selected.push(4); |
| // check core-select event |
| asyncPlatformFlush(function() { |
| assert.equal(selectEventCounter, 3); |
| done(); |
| }); |
| }); |
| }); |
| }); |
| |
| test('toggle multi to false', function(done) { |
| // set selected |
| s.selected = [0, 2]; |
| var first = s.selected[0]; |
| // set mutli to false, so to make it single-selection |
| s.multi = false; |
| asyncPlatformFlush(function() { |
| // selected should not be an array |
| assert.isNotArray(s.selected); |
| // selected should be the first value in the old array |
| assert.equal(s.selected, first); |
| done(); |
| }); |
| }); |
| |
| }); |
| |
| </script> |
| |
| </body> |
| </html> |
