react-native-web/docs/storybook/components/View/ViewExample.js

import createReactClass from 'create-react-class';
import React from 'react';
import { storiesOf } from '@kadira/storybook';
import { StyleSheet, Text, TouchableWithoutFeedback, View } from 'react-native';

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * The examples provided by Facebook are for non-commercial testing and
 * evaluation purposes only.
 *
 * Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
 * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * @flow
 */

const styles = StyleSheet.create({
  box: {
    backgroundColor: '#527FE4',
    borderColor: '#000033',
    borderWidth: 1
  },
  shadowBox: {
    width: 100,
    height: 100,
    borderWidth: 2
  },
  shadow: {
    shadowOpacity: 0.5,
    shadowColor: 'red',
    shadowRadius: 3,
    shadowOffset: { width: 3, height: 3 }
  },
  zIndex: {
    justifyContent: 'space-around',
    width: 100,
    height: 50,
    marginTop: -10
  }
});

const ViewBorderStyleExample = createReactClass({
  getInitialState() {
    return {
      showBorder: true
    };
  },

  render() {
    return (
      <TouchableWithoutFeedback onPress={this._handlePress}>
        <View>
          <View
            style={{
              borderWidth: 1,
              borderStyle: this.state.showBorder ? 'dashed' : null,
              padding: 5
            }}
          >
            <Text style={{ fontSize: 11 }}>
              Dashed border style
            </Text>
          </View>
          <View
            style={{
              marginTop: 5,
              borderWidth: 1,
              borderRadius: 5,
              borderStyle: this.state.showBorder ? 'dotted' : null,
              padding: 5
            }}
          >
            <Text style={{ fontSize: 11 }}>
              Dotted border style
            </Text>
          </View>
        </View>
      </TouchableWithoutFeedback>
    );
  },

  _handlePress() {
    this.setState({ showBorder: !this.state.showBorder });
  }
});

const ZIndexExample = createReactClass({
  getInitialState() {
    return {
      flipped: false
    };
  },

  render() {
    const indices = this.state.flipped ? [-1, 0, 1, 2] : [2, 1, 0, -1];
    return (
      <TouchableWithoutFeedback onPress={this._handlePress}>
        <View>
          <Text style={{ paddingBottom: 10 }}>Tap to flip sorting order</Text>
          <View
            style={[
              styles.zIndex,
              { marginTop: 0, backgroundColor: '#E57373', zIndex: indices[0] }
            ]}
          >
            <Text>ZIndex {indices[0]}</Text>
          </View>
          <View
            style={[
              styles.zIndex,
              { marginLeft: 50, backgroundColor: '#FFF176', zIndex: indices[1] }
            ]}
          >
            <Text>ZIndex {indices[1]}</Text>
          </View>
          <View
            style={[
              styles.zIndex,
              { marginLeft: 100, backgroundColor: '#81C784', zIndex: indices[2] }
            ]}
          >
            <Text>ZIndex {indices[2]}</Text>
          </View>
          <View
            style={[
              styles.zIndex,
              { marginLeft: 150, backgroundColor: '#64B5F6', zIndex: indices[3] }
            ]}
          >
            <Text>ZIndex {indices[3]}</Text>
          </View>
        </View>
      </TouchableWithoutFeedback>
    );
  },

  _handlePress() {
    this.setState({ flipped: !this.state.flipped });
  }
});

const examples = [
  {
    title: 'Background Color',
    render: function() {
      return (
        <View style={{ backgroundColor: '#527FE4', padding: 5 }}>
          <Text style={{ fontSize: 11 }}>
            Blue background
          </Text>
        </View>
      );
    }
  },
  {
    title: 'Border',
    render: function() {
      return (
        <View style={{ borderColor: '#527FE4', borderWidth: 5, padding: 10 }}>
          <Text style={{ fontSize: 11 }}>5px blue border</Text>
        </View>
      );
    }
  },
  {
    title: 'Padding/Margin',
    render: function() {
      return (
        <View style={{ borderColor: '#bb0000', borderWidth: 0.5 }}>
          <View style={[styles.box, { padding: 5 }]}>
            <Text style={{ fontSize: 11 }}>5px padding</Text>
          </View>
          <View style={[styles.box, { margin: 5 }]}>
            <Text style={{ fontSize: 11 }}>5px margin</Text>
          </View>
          <View style={[styles.box, { margin: 5, padding: 5, alignSelf: 'flex-start' }]}>
            <Text style={{ fontSize: 11 }}>
              5px margin and padding,
            </Text>
            <Text style={{ fontSize: 11 }}>
              widthAutonomous=true
            </Text>
          </View>
        </View>
      );
    }
  },
  {
    title: 'Border Radius',
    render: function() {
      return (
        <View style={{ borderWidth: 0.5, borderRadius: 5, padding: 5 }}>
          <Text style={{ fontSize: 11 }}>
            Too much use of `borderRadius` (especially large radii) on
            anything which is scrolling may result in dropped frames.
            Use sparingly.
          </Text>
        </View>
      );
    }
  },
  {
    title: 'Border Style',
    render: function() {
      return <ViewBorderStyleExample />;
    }
  },
  {
    title: 'Circle with Border Radius',
    render: function() {
      return <View style={{ borderRadius: 10, borderWidth: 1, width: 20, height: 20 }} />;
    }
  },
  {
    title: 'Overflow',
    render: function() {
      return (
        <View style={{ flexDirection: 'row' }}>
          <View
            style={{
              width: 95,
              height: 10,
              marginRight: 10,
              marginBottom: 5,
              overflow: 'hidden',
              borderWidth: 0.5
            }}
          >
            <View style={{ width: 200, height: 20 }}>
              <Text>Overflow hidden</Text>
            </View>
          </View>
          <View style={{ width: 95, height: 10, marginBottom: 5, borderWidth: 0.5 }}>
            <View style={{ width: 200, height: 20 }}>
              <Text>Overflow visible</Text>
            </View>
          </View>
        </View>
      );
    }
  },
  {
    title: 'Opacity',
    render: function() {
      return (
        <View>
          <View style={{ opacity: 0 }}><Text>Opacity 0</Text></View>
          <View style={{ opacity: 0.1 }}><Text>Opacity 0.1</Text></View>
          <View style={{ opacity: 0.3 }}><Text>Opacity 0.3</Text></View>
          <View style={{ opacity: 0.5 }}><Text>Opacity 0.5</Text></View>
          <View style={{ opacity: 0.7 }}><Text>Opacity 0.7</Text></View>
          <View style={{ opacity: 0.9 }}><Text>Opacity 0.9</Text></View>
          <View style={{ opacity: 1 }}><Text>Opacity 1</Text></View>
        </View>
      );
    }
  },
  {
    title: 'ZIndex',
    render: function() {
      return <ZIndexExample />;
    }
  },
  {
    title: 'Basic shadow',
    render() {
      return <View style={[styles.shadowBox, styles.shadow]} />;
    }
  },
  {
    title: 'Shaped shadow',
    description: 'borderRadius: 50',
    render() {
      return <View style={[styles.shadowBox, styles.shadow, { borderRadius: 50 }]} />;
    }
  }
];

examples.forEach(example => {
  storiesOf('component: View', module).add(example.title, () => example.render());
});