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removeAttribute binding behavior
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| <template> | |
| <require from="./remove-attribute"></require> | |
| <input type="checkbox" ref="myInput"> | |
| <input ref="test" foo.bind="myInput.checked & removeAttribute"> | |
| <pre><code>${test.outerHTML}</code></pre> | |
| </template> |
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| export class App { | |
| bind() { | |
| // this is not required... just cleaning up the output | |
| this.test.removeAttribute('ref'); | |
| this.test.removeAttribute('class'); | |
| this.test.removeAttribute('au-target-id'); | |
| this.test.removeAttribute('foo.bind'); | |
| } | |
| } |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Aurelia</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| </head> | |
| <body aurelia-app> | |
| <h1>Loading...</h1> | |
| <script src="https://jdanyow.github.io/rjs-bundle/node_modules/requirejs/require.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/config.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/bundles/aurelia.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/bundles/babel.js"></script> | |
| <script> | |
| require(['aurelia-bootstrapper']); | |
| </script> | |
| </body> | |
| </html> |
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| export class RemoveAttributeBindingBehavior { | |
| bind(binding, source) { | |
| binding.targetObserver = new RemoveAttributeObserver(binding.target, binding.targetProperty); | |
| } | |
| } | |
| class RemoveAttributeObserver { | |
| constructor(element, propertyName) { | |
| this.element = element; | |
| this.propertyName = propertyName; | |
| } | |
| getValue() { | |
| return this.element.getAttribute(this.propertyName); | |
| } | |
| setValue(newValue) { | |
| if (newValue) { | |
| this.element.setAttribute(this.propertyName, newValue); | |
| } else { | |
| this.element.removeAttribute(this.propertyName); | |
| } | |
| } | |
| subscribe() { | |
| throw new Error(`Observation of a "${this.element.nodeName}" element\'s "${this.propertyName}" property is not supported.`); | |
| } | |
| } |
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