Display message when no internet or no data yet in lists

components/CustomMaterialIcon.js

@@ -9,7 +9,7 @@ type Props = {
     icon: string,
     color: ?string,
     fontSize: number,
-    width: number,
+    width: number|string,
 }
 
 /**

components/FetchedDataSectionList.js

@@ -2,10 +2,12 @@
 
 import * as React from 'react';
 import WebDataManager from "../utils/WebDataManager";
-import {Container, Tab, TabHeading, Tabs, Text} from "native-base";
+import {Container, H3, Tab, TabHeading, Tabs, Text} from "native-base";
 import CustomHeader from "./CustomHeader";
 import {RefreshControl, SectionList, View} from "react-native";
 import CustomMaterialIcon from "./CustomMaterialIcon";
+import i18n from 'i18n-js';
+import ThemeManager from "../utils/ThemeManager";
 
 type Props = {
     navigation: Object,
@@ -69,6 +71,34 @@ export default class FetchedDataSectionList extends React.Component<Props, State
         return <View/>;
     }
 
+    getEmptyRenderItem(text: string, icon: string) {
+        return (
+            <View>
+                <View style={{
+                    justifyContent: 'center',
+                    alignItems: 'center',
+                    width: '100%',
+                    height: 100,
+                    marginBottom: 20
+                }}>
+                    <CustomMaterialIcon
+                        icon={icon}
+                        fontSize={100}
+                        width={100}
+                        color={ThemeManager.getCurrentThemeVariables().fetchedDataSectionListErrorText}/>
+                </View>
+
+                <H3 style={{
+                    textAlign: 'center',
+                    marginRight: 20,
+                    marginLeft: 20,
+                    color: ThemeManager.getCurrentThemeVariables().fetchedDataSectionListErrorText
+                }}>
+                    {text}
+                </H3>
+            </View>);
+    }
+
     /**
      * Create the dataset to be used in the list from the data fetched
      * @param fetchedData {Object}
@@ -78,11 +108,33 @@ export default class FetchedDataSectionList extends React.Component<Props, State
         return [];
     }
 
+    createEmptyDataset() {
+        return [
+            {
+                title: '',
+                data: [
+                    {
+                        text: this.state.refreshing ?
+                            i18n.t('general.loading') :
+                            i18n.t('general.networkError'),
+                        icon: this.state.refreshing ?
+                            'refresh' :
+                            'access-point-network-off'
+                    }
+                ],
+                keyExtractor: (item: Object) => item.text,
+            }
+        ];
+    }
+
     hasTabs() {
         return false;
     }
 
     getSectionList(dataset: Array<Object>) {
+        let isEmpty = dataset[0].data.length === 0;
+        if (isEmpty)
+            dataset = this.createEmptyDataset();
         return (
             <SectionList
                 sections={dataset}
@@ -93,12 +145,20 @@ export default class FetchedDataSectionList extends React.Component<Props, State
                     />
                 }
                 renderSectionHeader={({section: {title}}) =>
-                    this.getRenderSectionHeader(title)
+                    isEmpty ?
+                        <View/> :
+                        this.getRenderSectionHeader(title)
                 }
                 renderItem={({item, section}) =>
-                    this.getRenderItem(item, section, dataset)
+                    isEmpty ?
+                        this.getEmptyRenderItem(item.text, item.icon) :
+                        this.getRenderItem(item, section, dataset)
                 }
                 style={{minHeight: 300, width: '100%'}}
+                contentContainerStyle={
+                    isEmpty ?
+                        {flexGrow: 1, justifyContent: 'center', alignItems: 'center'} : {}
+                }
             />
         );
     }

native-base-theme/variables/platform.js

@@ -258,6 +258,7 @@ export default {
 
   // CUSTOM
   customMaterialIconColor: "#5d5d5d",
+  fetchedDataSectionListErrorText : "#898989",
 
   // PROXIWASH
   proxiwashFinishedColor: "rgba(54,165,22,0.31)",

native-base-theme/variables/platformDark.js

@@ -258,6 +258,7 @@ export default {
 
     // CUSTOM
     customMaterialIconColor: "#b3b3b3",
+    fetchedDataSectionListErrorText : "#acacac",
 
     // PROXIWASH
     proxiwashFinishedColor: "rgba(12,157,13,0.72)",

screens/ProxiwashScreen.js

@@ -87,12 +87,10 @@ export default class ProxiwashScreen extends FetchedDataSectionList {
     }
 
     getDryersKeyExtractor(item: Object) {
-        console.log(item !== undefined ? "dryer" + item.number : undefined);
         return item !== undefined ? "dryer" + item.number : undefined;
     }
 
     getWashersKeyExtractor(item: Object) {
-        console.log(item !== undefined ? "washer" + item.number : undefined);
         return item !== undefined ? "washer" + item.number : undefined;
     }
 
@@ -155,7 +153,6 @@ export default class ProxiwashScreen extends FetchedDataSectionList {
             reminderNotifTime = parseInt(val);
         else
             reminderNotifTime = -1;
-        console.log(reminderNotifTime);
         return reminderNotifTime;
     }
 

translations/en.json

@@ -85,5 +85,9 @@
       "machineRunningTitle": "Laundry running: {{time}} minutes left",
       "machineRunningBody": "The machine n°{{number}} is still running"
     }
+  },
+  "general": {
+    "loading": "Loading...",
+    "networkError": "Unable to contact servers. Make sure you are connected to Internet."
   }
 }

translations/fr.json

@@ -85,5 +85,9 @@
       "machineRunningTitle": "Machine en cours: {{time}} minutes restantes",
       "machineRunningBody": "La machine n°{{number}} n'est pas encore terminée"
     }
+  },
+  "general": {
+    "loading": "Chargement...",
+    "networkError": "Impossible de contacter les serveurs. Assurez vous d'être connecté à internet."
   }
 }

utils/AsyncStorageManager.js

@@ -55,7 +55,6 @@ export default class AsyncStorageManager {
                 val = this.preferences[key].default;
             this.preferences[key].current = val;
         }
-        console.log(this.preferences);
     }
 
     savePref(key : string, val : string) {