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An editable React.js label element based on the contenteditable attribute
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| /** @jsx React.DOM */ | |
| 'use strict'; | |
| var React = require('react'); | |
| var ContentEditableLabel = React.createClass({ | |
| propTypes: { | |
| tag: React.PropTypes.func, | |
| className: React.PropTypes.string, | |
| onChange: React.PropTypes.func, | |
| onComplete: React.PropTypes.func, | |
| initialText: React.PropTypes.string, | |
| autofocus: React.PropTypes.bool | |
| }, | |
| getDefaultProps: function() { | |
| return { | |
| autofocus: true, | |
| tag: React.DOM.span | |
| }; | |
| }, | |
| componentDidMount:function() { | |
| if(this.props.autofocus) { | |
| this.clearAndFocus(); | |
| } | |
| this.cancelled = false; | |
| }, | |
| shouldComponentUpdate: function(nextProps){ | |
| return nextProps.initialText !== this.getText(); | |
| }, | |
| clearAndFocus: function() { | |
| var elem = this.refs.element.getDOMNode(); | |
| elem.focus(); | |
| elem.textContent = ''; | |
| }, | |
| getText: function() { | |
| if(this.cancelled) return ''; | |
| return this.refs.element.getDOMNode().textContent; | |
| }, | |
| handleClick: function() { | |
| if(!this.props.autofocus) { | |
| this.clearAndFocus(); | |
| } | |
| }, | |
| handleChange: function(){ | |
| var text = this.getText(); | |
| if(this.props.onChange && text !== this.previousText) { | |
| this.props.onChange(text); | |
| } | |
| this.previousText = text; | |
| }, | |
| handleKeyUp: function(e) { | |
| if(e.which === 13 || e.which === 27) { | |
| this.cancelled = (e.which === 27); | |
| this.refs.element.getDOMNode().blur(); | |
| } | |
| }, | |
| handleBlur: function() { | |
| this.props.onComplete(this.getText()); | |
| this.cancelled = false; | |
| }, | |
| render: function(){ | |
| return (this.props.tag({ | |
| ref: 'element', | |
| className: this.props.className, | |
| onClick: this.handleClick, | |
| onInput: this.handleChange, | |
| onKeyUp: this.handleKeyUp, | |
| onBlur: this.handleBlur, | |
| contentEditable: 'true' | |
| }, this.props.initialText)); | |
| } | |
| }); | |
| module.exports = ContentEditableLabel; |
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hi..How do you use it ? can you give an example?