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html 5 Drag drop aurelia
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| <template> | |
| <require from='./self'></require> | |
| <style> | |
| .panel { | |
| user-select: none; | |
| } | |
| .panel header { | |
| padding: 5px; | |
| height: 50px; background: green; color: #fff; | |
| } | |
| .panel .body { | |
| height: 400px; background: #ddd; | |
| } | |
| .item { | |
| display: inline-block; width: 50px; height: 50px; margin: 5px; | |
| background: lightblue; cursor: pointer; | |
| } | |
| .item:hover { | |
| background: blue; | |
| } | |
| .no-event * { | |
| pointer-events: none | |
| } | |
| </style> | |
| <div class='item' draggable='true'></div> | |
| <div class='panel'> | |
| <header dragenter.delegate='enter($event)' dragleave.delegate='leave($event) & self'> | |
| <button>Only clickable when not dragging to my parent element</button> | |
| </header> | |
| </div> | |
| <hr/> | |
| </template> |
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| import {bindable} from 'aurelia-framework'; | |
| export class App { | |
| leave(e) { | |
| e.target.classList.remove('no-event') | |
| console.log('Leaving:', e.target.tagName.toLowerCase()) | |
| } | |
| enter(e) { | |
| e.target.classList.add('no-event') | |
| console.log('Entering:', e.target.localName) | |
| } | |
| } |
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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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| import { bindingBehavior } from 'aurelia-framework'; | |
| function findOriginalEventTarget(event) { | |
| return (event.path && event.path[0]) || (event.deepPath && event.deepPath[0]) || event.target; | |
| } | |
| function handleSelfEvent(event) { | |
| let target = findOriginalEventTarget(event); | |
| if (this.target !== target) return; | |
| this.selfEventCallSource(event); | |
| } | |
| @bindingBehavior('self') | |
| export class Self { | |
| bind(binding, source) { | |
| if (!binding.callSource || !binding.targetEvent) throw new Error('Self binding behavior only supports event.'); | |
| binding.selfEventCallSource = binding.callSource; | |
| binding.callSource = handleSelfEvent; | |
| } | |
| unbind(binding, source) { | |
| binding.callSource = binding.selfEventCallSource; | |
| binding.selfEventCallSource = null; | |
| } | |
| } |
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