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| <!doctype html> | |
| <meta charset="utf-8"> | |
| <base href="http://polygit.org/polymer+v1.2.4/components/"> | |
| <script src="webcomponentsjs/webcomponents-lite.js"></script> | |
| <link href="polymer/polymer.html" rel="import"> | |
| <script> | |
| addEventListener('WebComponentsReady', function () { | |
| window.InputBehavior = { | |
| properties: { | |
| displayValue: {type: String, notify: true, observer: 'displayValueChanged'}, | |
| currentvalue: {type: String, notify: true, observer: 'currentvalueChanged'} | |
| }, | |
| listeners: { | |
| 'field.input': 'handleInput' | |
| }, | |
| handleInput: function () { | |
| this.currentvalue = this.$.field.value; | |
| }, | |
| currentvalueChanged: function (newValue) { | |
| console.log('original', 'changed', newValue); | |
| } | |
| }; | |
| window.CustomBehavior = { | |
| behaviorEvent: function (event) { | |
| event.stopPropagation(); // <--- THIS DOES IT! | |
| console.log('behavior', 'changed', event); | |
| }, | |
| attached: function () { | |
| this.listen(this, 'currentvalue-changed', 'behaviorEvent'); | |
| } | |
| }; | |
| }); | |
| </script> | |
| <dom-module id="custom-input"> | |
| <template> | |
| <input type="text" id="field"> | |
| </template> | |
| <script> | |
| addEventListener('WebComponentsReady', function () { | |
| Polymer({ | |
| is: 'custom-input', | |
| behaviors: [ | |
| InputBehavior, | |
| CustomBehavior | |
| ] | |
| }); | |
| }); | |
| </script> | |
| </dom-module> | |
| <script> | |
| addEventListener('WebComponentsReady', function () { | |
| var element = document.createElement('custom-input'); | |
| document.body.appendChild(element); | |
| }); | |
| </script> |
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