BrandSwiper.js
4.89 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
'use strict';
import React from 'react';
import ReactNative from 'react-native';
import Swiper from 'react-native-swiper';
import ImmutablePropTypes from 'react-immutable-proptypes';
import SlicedImage from '../../../common/components/SlicedImage';
import Immutable, {Map} from 'immutable';
import YH_Image from '../../../common/components/YH_Image';
import {getSlicedUrl} from '../../utils/Utils';
import DeviceInfo from 'react-native-device-info';
const {
View,
Image,
TouchableOpacity,
StyleSheet,
Dimensions,
Platform,
} = ReactNative;
export default class BrandSwiper extends React.Component {
constructor(props) {
super (props);
this.dot = <View
style={{
backgroundColor:'rgba(255,255,255,.5)',
width: 6,
height: 6,
borderRadius: 3,
marginLeft: 3,
marginRight: 3,
marginTop: (Platform.OS === 'ios')?0:1,
}}
/>;
this.activeDot = <View
style={{
backgroundColor:'white',
width: 6,
height: 6,
borderRadius: 3,
marginLeft: 3,
marginRight: 3,
marginTop: 0,
}}
/>;
//A版比例640X330 B版比例640X310
height = this.props.abversion == "B" ? Math.ceil((310 / 640) * width) : Math.ceil((330 / 640) * width);
}
shouldComponentUpdate(nextProps){
if (Immutable.is(nextProps.resource, this.props.resource)) {
return false;
} else {
return true;
}
}
render() {
let {resource, abversion} = this.props;
let banner = resource.get('banner');
let res = banner.toJS();
let list = res.data;
if (!banner || banner.size == 0 || !list) {
return null;
}
let needYH_Image = false;
if (Platform.OS === 'ios') {
let systemVersion = DeviceInfo.getSystemVersion();
systemVersion = parseFloat(systemVersion);
if (systemVersion < 8.0) {
needYH_Image = true;
}
}
if (list.length == 1) {
let newSrc = getSlicedUrl(list[0].src, width, height);
return (
<View style={styles.container}>
<TouchableOpacity
activeOpacity={1}
style={{width: width, height: height-15}}
onPress={() => {
this.props.onPressSlideItem && this.props.onPressSlideItem(list[0].url, 0);
}}
>
{needYH_Image ? <YH_Image
url={newSrc}
style={{width, height}}
/> : <SlicedImage source={{uri: list[0].src}} style={{width, height}}/>}
</TouchableOpacity>
</View>
);
} else {
return (
<View style={styles.container}>
<Swiper
style={styles.banner}
showsButtons={false}
loop={true}
autoplay={true}
autoplayTimeout={3}
dot={this.dot}
activeDot={(Platform.OS === 'ios')?this.activeDot:null}
width={width}
height={height-15}
paginationStyle={{backgroundColor: 'rgba(0,0,0,0.2)',bottom: 10,height: 10,width: list.length * 12,borderRadius: 5,marginLeft: (width-list.length * 12)/2}}
>
{list.map((item, i) => {
let newSrc = getSlicedUrl(item.src, width, height-15, 2);
return (
<TouchableOpacity
key={i}
activeOpacity={1}
onPress={() => {
this.props.onPressSlideItem && this.props.onPressSlideItem(item.url, i);
}}
>
{needYH_Image?<YH_Image
url={newSrc}
style={{width, height:height-15}}
/>:<SlicedImage source={{uri: item.src}} style={{width, height:height-15}}/>}
</TouchableOpacity>
);
})}
</Swiper>
</View>
);
}
}
}
let {width} = Dimensions.get('window');
let height ;
let styles = StyleSheet.create({
container: {
width: width,
height: height,
backgroundColor:'#f0f0f0',
},
banner: {
},
});