From 3bae6e749a1abfb561a4dc7bd57f4e4f8807f2eb Mon Sep 17 00:00:00 2001
From: MaysWind <i@mayswind.net>
Date: Sat, 17 Jun 2023 13:40:34 +0800
Subject: [PATCH] support baidu map

---
 src/MobileApp.vue                  |   5 +
 src/components/mobile/MapSheet.vue | 145 ++++++++++++---------------
 src/lib/map.js                     | 156 +++++++++++++++++++++++++++++
 src/locales/en.js                  |   1 +
 src/locales/zh_Hans.js             |   1 +
 src/mobile-main.js                 |   7 --
 vite.config.js                     |   4 +-
 7 files changed, 230 insertions(+), 89 deletions(-)
 create mode 100644 src/lib/map.js

diff --git a/src/MobileApp.vue b/src/MobileApp.vue
index f094d627..8a8c1639 100644
--- a/src/MobileApp.vue
+++ b/src/MobileApp.vue
@@ -13,6 +13,7 @@ import { mapStores } from 'pinia';
 import { useTokensStore } from '@/stores/token.js';
 import { useExchangeRatesStore } from '@/stores/exchangeRates.js';
 
+import { loadMapAssets } from '@/lib/map.js';
 import { isModalShowing, setAppFontSize } from '@/lib/ui.mobile.js';
 
 export default {
@@ -142,6 +143,10 @@ export default {
                 this.setThemeColorMeta(isDarkMode);
             });
         });
+
+        document.addEventListener('DOMContentLoaded', () => {
+            loadMapAssets();
+        });
     },
     methods: {
         isiOSHomeScreenMode() {
diff --git a/src/components/mobile/MapSheet.vue b/src/components/mobile/MapSheet.vue
index 7ba3b526..51e79b66 100644
--- a/src/components/mobile/MapSheet.vue
+++ b/src/components/mobile/MapSheet.vue
@@ -8,15 +8,15 @@
                 <f7-link :text="$t('Done')" @click="save"></f7-link>
             </div>
         </f7-toolbar>
-        <f7-page-content class="no-margin-vertical no-padding-vertical" v-if="knownMapProvider">
+        <f7-page-content class="no-margin-vertical no-padding-vertical" v-if="mapHolder && dependencyLoaded">
             <div ref="map" style="height: 400px; width: 100%"></div>
         </f7-page-content>
-        <f7-page-content class="no-margin-top no-padding-top" v-else-if="!knownMapProvider">
+        <f7-page-content class="no-margin-top no-padding-top" v-else-if="!mapHolder || !dependencyLoaded">
             <div class="display-flex padding justify-content-space-between align-items-center">
-                <div class="ebk-sheet-title"><b>{{ $t('Unsupported Map Provider') }}</b></div>
+                <div class="ebk-sheet-title"><b>{{ mapErrorTitle }}</b></div>
             </div>
             <div class="padding-horizontal padding-bottom">
-                <p class="no-margin">{{ $t('Please refresh the page and try again. If the error is still displayed, make sure that server map settings are set correctly.') }}</p>
+                <p class="no-margin">{{ mapErrorContent }}</p>
                 <div class="margin-top text-align-center">
                     <f7-link @click="close" :text="$t('Close')"></f7-link>
                 </div>
@@ -26,6 +26,14 @@
 </template>
 
 <script>
+import {
+    createMapHolder,
+    initMapInstance,
+    setMapCenterTo,
+    setMapCenterMarker,
+    removeMapCenterMarker
+} from '@/lib/map.js';
+
 export default {
     props: [
         'modelValue',
@@ -36,23 +44,34 @@ export default {
         'update:show'
     ],
     data() {
-        let knownMapProvider = false;
-
-        if (this.$settings.getMapProvider() === 'openstreetmap') {
-            knownMapProvider = true;
-        }
-
         return {
-            knownMapProvider: knownMapProvider,
-            leaflet: null,
-            tileLayer: null,
-            zoomControl: null,
-            attribution: null,
-            marker: null,
-            initCenter: [ 0, 0 ],
+            mapHolder: createMapHolder(),
+            initCenter: {
+                latitude: 0,
+                longitude: 0,
+            },
             zoomLevel: 1
         }
     },
+    computed: {
+        dependencyLoaded() {
+            return this.mapHolder && this.mapHolder.dependencyLoaded;
+        },
+        mapErrorTitle() {
+            if (!this.mapHolder) {
+                return this.$t('Unsupported Map Provider');
+            }
+
+            if (!this.dependencyLoaded) {
+                return this.$t('Cannot Initialize Map');
+            }
+
+            return '';
+        },
+        mapErrorContent() {
+            return this.$t('Please refresh the page and try again. If the error is still displayed, make sure that server map settings are set correctly.');
+        }
+    },
     methods: {
         save() {
             this.$emit('update:show', false);
@@ -61,85 +80,49 @@ export default {
             let isFirstInit = false;
             let centerChanged = false;
 
+            if (!this.mapHolder || !this.mapHolder.dependencyLoaded) {
+                return;
+            }
+
             if (this.modelValue && (this.modelValue.longitude || this.modelValue.latitude)) {
-                if (this.initCenter[0] !== this.modelValue.latitude || this.initCenter[1] !== this.modelValue.longitude) {
-                    this.initCenter[0] = this.modelValue.latitude;
-                    this.initCenter[1] = this.modelValue.longitude;
-                    this.zoomLevel = 14;
+                if (this.initCenter.latitude !== this.modelValue.latitude || this.initCenter.longitude !== this.modelValue.longitude) {
+                    this.initCenter.latitude = this.modelValue.latitude;
+                    this.initCenter.longitude = this.modelValue.longitude;
+                    this.zoomLevel = this.mapHolder.defaultZoomLevel;
 
                     centerChanged = true;
                 }
             } else if (!this.modelValue || (!this.modelValue.longitude && !this.modelValue.latitude)) {
-                if (this.initCenter[0] || this.initCenter[1]) {
-                    this.initCenter[0] = 0;
-                    this.initCenter[1] = 0;
-                    this.zoomLevel = 1;
+                if (this.initCenter.latitude || this.initCenter.longitude) {
+                    this.initCenter.latitude = 0;
+                    this.initCenter.longitude = 0;
+                    this.zoomLevel = this.mapHolder.minZoomLevel;
 
                     centerChanged = true;
                 }
             }
 
-            if (this.knownMapProvider && this.$settings.getMapProvider() === 'openstreetmap') {
-                if (!this.leaflet) {
-                    const mapContainer = this.$refs.map;
-
-                    this.leaflet = this.$map.leaflet.map(mapContainer, {
-                        attributionControl: false,
-                        zoomControl: false
-                    });
-
-                    const mapTileImageUrl = this.$map.generateOpenStreetMapTileImageUrl();
-
-                    this.tileLayer = this.$map.leaflet.tileLayer(mapTileImageUrl.url, {
-                        subdomains: mapTileImageUrl.subDomains,
-                        maxZoom: 19
-                    });
-                    this.tileLayer.addTo(this.leaflet);
-
-                    this.zoomControl = this.$map.leaflet.control.zoom({
-                        zoomInTitle: this.$t('Zoom in'),
-                        zoomOutTitle: this.$t('Zoom out'),
-                    });
-                    this.zoomControl.addTo(this.leaflet);
-
-                    this.attribution = this.$map.leaflet.control.attribution({
-                        prefix: false
-                    });
-                    this.attribution.addAttribution('&copy; <a href="http://www.openstreetmap.org/copyright" class="external" target="_blank">OpenStreetMap</a>');
-                    this.attribution.addTo(this.leaflet);
+            if (!this.mapHolder.inited) {
+                initMapInstance(this.mapHolder, this.$refs.map, {
+                    text: {
+                        zoomIn: this.$t('Zoom in'),
+                        zoomOut: this.$t('Zoom out'),
+                    }
+                });
 
+                if (this.mapHolder.inited) {
                     isFirstInit = true;
                 }
+            }
 
-                if (isFirstInit || centerChanged) {
-                    this.leaflet.setView(this.initCenter, this.zoomLevel);
-                }
+            if (isFirstInit || centerChanged) {
+                setMapCenterTo(this.mapHolder, this.initCenter, this.zoomLevel);
+            }
 
-                if (centerChanged && this.zoomLevel > 1) {
-                    if (!this.marker) {
-                        const markerIcon = this.$map.leaflet.icon({
-                            iconUrl: 'img/map-marker-icon.png',
-                            iconRetinaUrl: 'img/map-marker-icon-2x.png',
-                            iconSize:    [25, 32],
-                            iconAnchor:  [12, 32],
-                            shadowUrl: 'img/map-marker-shadow.png',
-                            shadowSize: [41, 32]
-                        });
-                        this.marker = this.$map.leaflet.marker(this.initCenter, {
-                            icon: markerIcon
-                        });
-                        this.marker.addTo(this.leaflet);
-                    } else {
-                        this.marker.setLatLng(this.initCenter);
-                    }
-                } else if (centerChanged && this.zoomLevel <= 1) {
-                    if (this.marker) {
-                        this.marker.remove();
-                        this.marker = null;
-                    }
-                }
-            } else {
-                this.knownMapProvider = false;
+            if (centerChanged && this.zoomLevel > this.mapHolder.minZoomLevel) {
+                setMapCenterMarker(this.mapHolder, this.initCenter);
+            } else if (centerChanged && this.zoomLevel <= this.mapHolder.minZoomLevel) {
+                removeMapCenterMarker(this.mapHolder);
             }
         },
         onSheetClosed() {
diff --git a/src/lib/map.js b/src/lib/map.js
new file mode 100644
index 00000000..0abe31ab
--- /dev/null
+++ b/src/lib/map.js
@@ -0,0 +1,156 @@
+import services from "./services.js";
+import settings from "./settings.js";
+
+const leafletHolder = {
+    leaflet: null
+};
+
+function loadLeafletMapAssets() {
+    return Promise.all([
+        import('leaflet/dist/leaflet.css'),
+        import('leaflet/dist/leaflet-src.esm.js').then(leaflet => leafletHolder.leaflet = leaflet)
+    ]);
+}
+
+function createLeafletMapInstance(mapHolder, mapContainer, options) {
+    if (!leafletHolder.leaflet) {
+        return null;
+    }
+
+    const leaflet = leafletHolder.leaflet;
+    const leafletInstance = leaflet.map(mapContainer, {
+        attributionControl: false,
+        zoomControl: false
+    });
+
+    const mapTileImageUrl = services.generateOpenStreetMapTileImageUrl();
+
+    const tileLayer = leaflet.tileLayer(mapTileImageUrl.url, {
+        subdomains: mapTileImageUrl.subDomains,
+        maxZoom: 19
+    });
+    tileLayer.addTo(leafletInstance);
+
+    const zoomControl = leaflet.control.zoom({
+        zoomInTitle: options.text.zoomIn,
+        zoomOutTitle: options.text.zoomOut
+    });
+    zoomControl.addTo(leafletInstance);
+
+    const attribution = leaflet.control.attribution({
+        prefix: false
+    });
+    attribution.addAttribution('&copy; <a href="http://www.openstreetmap.org/copyright" class="external" target="_blank">OpenStreetMap</a>');
+    attribution.addTo(leafletInstance);
+
+    mapHolder.leafletInstance = leafletInstance;
+    mapHolder.leafletTileLayer = tileLayer;
+    mapHolder.leafletZoomControl = zoomControl;
+    mapHolder.leafletAttribution = attribution;
+    mapHolder.inited = true;
+}
+
+function setLeafletMapCenterTo(mapHolder, center, zoomLevel) {
+    if (!mapHolder.leafletInstance) {
+        return;
+    }
+
+    mapHolder.leafletInstance.setView([ center.latitude, center.longitude ], zoomLevel);
+}
+
+function setLeafletMapCenterMaker(mapHolder, position) {
+    if (!leafletHolder.leaflet || !mapHolder.leafletInstance) {
+        return;
+    }
+
+    const leaflet = leafletHolder.leaflet;
+
+    if (!mapHolder.leafletCenterMarker) {
+        const markerIcon = leaflet.icon({
+            iconUrl: 'img/map-marker-icon.png',
+            iconRetinaUrl: 'img/map-marker-icon-2x.png',
+            iconSize: [25, 32],
+            iconAnchor: [12, 32],
+            shadowUrl: 'img/map-marker-shadow.png',
+            shadowSize: [41, 32]
+        });
+        mapHolder.leafletCenterMarker = leaflet.marker([ position.latitude, position.longitude ], {
+            icon: markerIcon
+        });
+        mapHolder.leafletCenterMarker.addTo(mapHolder.leafletInstance);
+    } else {
+        mapHolder.leafletCenterMarker.setLatLng([ position.latitude, position.longitude ]);
+    }
+}
+
+function removeLeafletMapCenterMaker(mapHolder) {
+    if (!mapHolder.leafletInstance || mapHolder.leafletCenterMarker) {
+        mapHolder.leafletCenterMarker.remove();
+        mapHolder.leafletCenterMarker = null;
+    }
+}
+
+export function loadMapAssets() {
+    if (settings.getMapProvider() === 'openstreetmap') {
+        return loadLeafletMapAssets();
+    }
+}
+
+export function createMapHolder() {
+    if (settings.getMapProvider() === 'openstreetmap') {
+        return {
+            mapProvider: 'openstreetmap',
+            dependencyLoaded: !!leafletHolder.leaflet,
+            inited: false,
+            defaultZoomLevel: 14,
+            minZoomLevel: 1,
+            leafletInstance: null,
+            leafletTileLayer: null,
+            leafletZoomControl: null,
+            leafletAttribution: null,
+            leafletCenterMarker: null
+        }
+    } else {
+        return null;
+    }
+}
+
+export function initMapInstance(mapHolder, mapContainer, options) {
+    if (!mapHolder) {
+        return;
+    }
+
+    if (mapHolder.mapProvider === 'openstreetmap') {
+        createLeafletMapInstance(mapHolder, mapContainer, options);
+    }
+}
+
+export function setMapCenterTo(mapHolder, center, zoomLevel) {
+    if (!mapHolder) {
+        return;
+    }
+
+    if (mapHolder.mapProvider === 'openstreetmap') {
+        setLeafletMapCenterTo(mapHolder, center, zoomLevel);
+    }
+}
+
+export function setMapCenterMarker(mapHolder, position) {
+    if (!mapHolder) {
+        return;
+    }
+
+    if (mapHolder.mapProvider === 'openstreetmap') {
+        setLeafletMapCenterMaker(mapHolder, position);
+    }
+}
+
+export function removeMapCenterMarker(mapHolder) {
+    if (!mapHolder) {
+        return;
+    }
+
+    if (mapHolder.mapProvider === 'openstreetmap') {
+        removeLeafletMapCenterMaker(mapHolder);
+    }
+}
diff --git a/src/locales/en.js b/src/locales/en.js
index 3ad034c9..1e20ac41 100644
--- a/src/locales/en.js
+++ b/src/locales/en.js
@@ -892,6 +892,7 @@ export default {
     'Update Geographic Location': 'Update Geographic Location',
     'Clear Geographic Location': 'Clear Geographic Location',
     'Unable to get current position': 'Unable to get current position',
+    'Cannot Initialize Map': 'Cannot Initialize Map',
     'Unsupported Map Provider': 'Unsupported Map Provider',
     'Please refresh the page and try again. If the error is still displayed, make sure that server map settings are set correctly.': 'Please refresh the page and try again. If the error is still displayed, make sure that server map settings are set correctly.',
     'Tags': 'Tags',
diff --git a/src/locales/zh_Hans.js b/src/locales/zh_Hans.js
index e7184bda..b871e0d2 100644
--- a/src/locales/zh_Hans.js
+++ b/src/locales/zh_Hans.js
@@ -892,6 +892,7 @@ export default {
     'Update Geographic Location': '更新地理位置',
     'Clear Geographic Location': '清除地理位置',
     'Unable to get current position': '无法获取当前地理位置',
+    'Cannot Initialize Map': '无法初始化地图',
     'Unsupported Map Provider': '不支持的地图提供方',
     'Please refresh the page and try again. If the error is still displayed, make sure that server map settings are set correctly.': '请刷新页面并重试。如果仍然显示错误，请确保正确设置了服务器地图设置。',
     'Tags': '标签',
diff --git a/src/mobile-main.js b/src/mobile-main.js
index 543095c0..54d4cae7 100644
--- a/src/mobile-main.js
+++ b/src/mobile-main.js
@@ -75,9 +75,6 @@ import 'line-awesome/dist/line-awesome/css/line-awesome.css';
 import VueDatePicker from '@vuepic/vue-datepicker';
 import '@vuepic/vue-datepicker/dist/main.css';
 
-import * as Leaflet from 'leaflet/dist/leaflet-src.esm.js';
-import 'leaflet/dist/leaflet.css';
-
 import datetimeConstants from '@/consts/datetime.js';
 
 import version from '@/lib/version.js';
@@ -345,10 +342,6 @@ app.config.globalProperties.$locale = {
     getDisplayCurrency: (value, currencyCode, notConvertValue) => getDisplayCurrency(value, currencyCode, notConvertValue, i18n.global.t),
     initLocale: initLocale
 };
-app.config.globalProperties.$map = {
-    leaflet: Leaflet,
-    generateOpenStreetMapTileImageUrl: services.generateOpenStreetMapTileImageUrl
-};
 app.config.globalProperties.$tIf = (text, isTranslate) => transateIf(text, isTranslate, i18n.global.t);
 
 app.config.globalProperties.$alert = (message, confirmCallback) => showAlert(message, confirmCallback, i18n.global.t);
diff --git a/vite.config.js b/vite.config.js
index 59a89020..4b861f90 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -108,7 +108,9 @@ export default defineConfig(async () => {
                     chunkFileNames: 'js/[name]-[hash].js',
                     entryFileNames: 'js/[name]-[hash].js',
                     manualChunks: function (id) {
-                        if (/[\\/]node_modules[\\/]/i.test(id)) {
+                        if (/[\\/]node_modules[\\/]leaflet[\\/]/i.test(id)) {
+                            return 'leaflet';
+                        } else if (/[\\/]node_modules[\\/]/i.test(id)) {
                             return 'vendor';
                         }
                     }