修改 品牌列表页 快速选择不准的bug review by hongmo

@@ -4,6 +4,7 @@ import React from 'react';
 import ReactNative from 'react-native';
 import {isEmptyObject} from '../../utils/Utils';
 import Immutable, {Map} from 'immutable';
+import * as _ from 'lodash';
 
 const {
     View,
@@ -19,6 +20,10 @@ export default class IndexListView extends React.Component {
     constructor(props) {
         super (props);
         this.onTouchMove = this.onTouchMove.bind(this);
+
+        this.state = {
+            list:[]
+        };
     }
 
     shouldComponentUpdate(nextProps){
@@ -31,10 +36,25 @@ export default class IndexListView extends React.Component {
 
     onTouchMove(e) {
         let {dataSource} = this.props;
-        let Y =  e.nativeEvent.pageY - Math.ceil((viewHeight - dataSource.length * (itemHeight+2))/2) - 8;
-        var index = Math.ceil(Y/(itemHeight+2))-1;
-        let sectionID = dataSource[index];
-        this.props.onLetterPress && this.props.onLetterPress(index,sectionID);
+        let Y =  e.nativeEvent.pageY;
+        for (var i = 0; i < this.state.list.length; i++) {
+            if (Y > this.state.list[i].y && Y < this.state.list[i].y + 12) {
+                let name = this.state.list[i].name;
+                if (name == '0') {
+    				name = '0-9';
+    			}
+                this.props.onLetterPress && this.props.onLetterPress(i,name);
+                break;
+            }
+        }
+    }
+
+    onLayout(name,e) {
+        let {y} = e.nativeEvent.layout;
+        let Y = {'name':name,'y':y}
+        let list = this.state.list;
+        list.push(Y);
+        this.setState(list)
     }
 
     render() {
@@ -52,7 +72,9 @@ export default class IndexListView extends React.Component {
             if (name == '0-9') {
 				name = '0';
 			}
-            keyData.push(<Text key={i} style={styles.text}>{name}</Text>);
+
+
+            keyData.push(<View key={i} style={styles.TV} onLayout={this.onLayout.bind(this, name)}><Text style={styles.text}>{name}</Text></View>);
         }
 
         return (
@@ -78,13 +100,20 @@ let styles = StyleSheet.create({
         alignItems: 'center',
 		justifyContent: 'center',
     },
+    TV: {
+        width: 12,
+        height: 12,
+        backgroundColor: 'transparent',
+        marginTop: 2,
+        justifyContent: 'center',
+    },
 	text: {
 		justifyContent: 'center',
 		textAlign: 'center',
 		fontSize: 11,
 		color: 'black',
 		backgroundColor: 'transparent',
-        marginTop: 2,
+
         fontWeight: 'bold',
 	},
     image: {

@@ -158,19 +158,27 @@ export default function redBrandReducer(state=initialState, action) {
         case ADD_FAVORITE_SUCCESS: {
             if (action.payload) {
                 return state.setIn(['shopIntro', 'is_addFav'], true)
+                .setIn(['receiveCouponResult', 'showMessage'], '收藏成功')
+    			.setIn(['receiveCouponResult', 'isNeedShow'], true);
                 // .setIn(['shopIntro', 'favoriteCount'],parseInt(state.shopIntro.favoriteCount) +1);
             }else {
-                return state.setIn(['shopIntro', 'is_addFav'], true);
+                return state.setIn(['shopIntro', 'is_addFav'], true)
             }
 		}
 		case ADD_FAVORITE_FAILURE: {
 			if (action.payload.code == 413) {
-				return state.setIn(['shopIntro', 'is_addFav'], true);
+				return state.setIn(['shopIntro', 'is_addFav'], true)
+                .setIn(['receiveCouponResult', 'showMessage'], '已收藏')
+    			.setIn(['receiveCouponResult', 'isNeedShow'], true);
 			}
-			return state.setIn(['shopIntro', 'is_addFav'], false);
+			return state.setIn(['shopIntro', 'is_addFav'], false)
+            .setIn(['receiveCouponResult', 'showMessage'], '收藏失败')
+            .setIn(['receiveCouponResult', 'isNeedShow'], true);
 		}
 		case CANCEL_FAVORITE_SUCCESS: {
 			return state.setIn(['shopIntro', 'is_addFav'], action.payload)
+            .setIn(['receiveCouponResult', 'showMessage'], '取消收藏成功')
+            .setIn(['receiveCouponResult', 'isNeedShow'], true);
             // .setIn(['shopIntro', 'favoriteCount'],(parseInt(state.shopIntro.favoriteCount) -1)>0?(parseInt(state.shopIntro.favoriteCount) -1):0);
 		}
 		case GET_FAVORITE_COUNT_SUCCESS: {