Created
July 12, 2016 23:21
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Example of sortable that persists over logins.
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let SortableListView = require('./SortableListView'); | |
let React = require('react-native'); | |
let { | |
View, | |
Text, | |
TouchableHighlight, | |
AsyncStorage | |
} = React; | |
const DATA = 'DATA'; | |
var data = { | |
hello: {text: 'world'}, | |
how: {text: 'are you'}, | |
test: {text: 123}, | |
this: {text: 'is'}, | |
a: {text: 'a'}, | |
real: {text: 'real'}, | |
drag: {text: 'drag and drop'}, | |
bb: {text: 'bb'}, | |
cc: {text: 'cc'}, | |
dd: {text: 'dd'}, | |
ee: {text: 'ee'}, | |
ff: {text: 'ff'}, | |
gg: {text: 'gg'}, | |
hh: {text: 'hh'}, | |
ii: {text: 'ii'}, | |
jj: {text: 'jj'}, | |
kk: {text: 'kk'} | |
} | |
let order = Object.keys(data); //Array of keys | |
let RowComponent = React.createClass({ | |
render: function() { | |
return <TouchableHighlight underlayColor={'#eee'} style={{padding: 25, backgroundColor: "#F8F8F8", borderBottomWidth:1, borderColor: '#eee'}} {...this.props.sortHandlers}> | |
<Text>{this.props.data.text}</Text> | |
</TouchableHighlight> | |
} | |
}) | |
let MyComponent = React.createClass({ | |
componentWillMount: function() { | |
AsyncStorage.getItem(DATA).then(res => { | |
if (res) { | |
let state = JSON.parse(res); | |
return this.setState(state); | |
} | |
this.setState({ | |
data, order | |
}) | |
}) | |
}, | |
getInitialState: function() { | |
return {} | |
}, | |
componentDidUpdate: function(props, state) { | |
if (state.data) { | |
AsyncStorage.setItem(DATA, JSON.stringify(state)); | |
} | |
}, | |
render: function() { | |
if (!this.state.data) return <View />; | |
return <SortableListView | |
style={{flex: 1}} | |
data={this.state.data} | |
order={this.state.order} | |
onRowMoved={e => { | |
order.splice(e.to, 0, order.splice(e.from, 1)[0]); | |
this.forceUpdate(); | |
}} | |
renderRow={row => <RowComponent data={row} />} | |
/> | |
} | |
}); | |
module.exports = MyComponent; |
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