121 lines
2.8 KiB
JavaScript
121 lines
2.8 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @flow
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*/
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'use strict';
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var React = require('react-native');
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var {
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CameraRoll,
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Image,
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SliderIOS,
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StyleSheet,
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SwitchIOS,
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Text,
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View,
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} = React;
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var CameraRollView = require('./CameraRollView.ios');
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var CAMERA_ROLL_VIEW = 'camera_roll_view';
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var CameraRollExample = React.createClass({
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getInitialState() {
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return {
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groupTypes: 'SavedPhotos',
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sliderValue: 1,
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bigImages: true,
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};
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},
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render() {
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return (
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<View>
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<SwitchIOS
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onValueChange={this._onSwitchChange}
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value={this.state.bigImages} />
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<Text>{(this.state.bigImages ? 'Big' : 'Small') + ' Images'}</Text>
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<SliderIOS
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value={this.state.sliderValue}
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onValueChange={this._onSliderChange}
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/>
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<Text>{'Group Type: ' + this.state.groupTypes}</Text>
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<CameraRollView
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ref={CAMERA_ROLL_VIEW}
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batchSize={5}
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groupTypes={this.state.groupTypes}
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renderImage={this._renderImage}
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/>
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</View>
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);
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},
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_renderImage(asset) {
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var imageSize = this.state.bigImages ? 150 : 75;
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var imageStyle = [styles.image, {width: imageSize, height: imageSize}];
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var location = asset.node.location.longitude ?
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JSON.stringify(asset.node.location) : 'Unknown location';
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return (
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<View key={asset} style={styles.row}>
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<Image
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source={asset.node.image}
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style={imageStyle}
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/>
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<View style={styles.info}>
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<Text style={styles.url}>{asset.node.image.uri}</Text>
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<Text>{location}</Text>
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<Text>{asset.node.group_name}</Text>
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<Text>{new Date(asset.node.timestamp).toString()}</Text>
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</View>
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</View>
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);
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},
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_onSliderChange(value) {
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var options = CameraRoll.GroupTypesOptions;
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var index = Math.floor(value * options.length * 0.99);
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var groupTypes = options[index];
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if (groupTypes !== this.state.groupTypes) {
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this.setState({groupTypes: groupTypes});
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}
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},
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_onSwitchChange(value) {
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this.refs[CAMERA_ROLL_VIEW].rendererChanged();
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this.setState({ bigImages: value });
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}
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});
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var styles = StyleSheet.create({
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row: {
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flexDirection: 'row',
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flex: 1,
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},
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url: {
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fontSize: 9,
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marginBottom: 14,
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},
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image: {
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margin: 4,
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},
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info: {
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flex: 1,
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},
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});
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exports.title = '<CameraRollView>';
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exports.description = 'Example component that uses CameraRoll to list user\'s photos';
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exports.examples = [
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{
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title: 'Photos',
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render(): ReactElement { return <CameraRollExample />; }
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}
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];
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