#114 / #117 Save history

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "flightgear-airports",
-  "version": "0.0.27",
+  "version": "0.0.28",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -92,7 +92,7 @@
     "coordinate-parser": "^1.0.3",
     "dijkstrajs": "^1.0.1",
     "electron-debug": "^3.0.1",
-    "element-ui": "^2.13.2",
+    "element-ui": "^2.14.1",
     "file-url": "^3.0.0",
     "fs": "0.0.1-security",
     "fs-extra": "^9.0.1",

src/renderer/components/EditBar.vue

@@ -11,32 +11,84 @@ You should have received a copy of the GNU General Public License along with FG
 -->
 <template>
   <div id="EditBar">
-    <ZoomButton icon="fas fa-th" v-on:click="zoomin" :show="true" tooltip="Zoomin"></ZoomButton>
-    <ZoomButton icon="fas fa-th-large" v-on:click="zoomout" :show="!editing" tooltip="Zoomout"></ZoomButton>
-    <!--<ZoomButton icon="far fa-eye-slash" v-on:click="hideAPT" :show='true' tooltip="Hide APT"></ZoomButton>-->
 
-    <!--<EditButton icon="fas fa-upload" v-on:click="upload" :show="!editing" tooltip="Upload"></EditButton>-->
+    <el-dialog
-    <!--<EditButton icon="fas fa-edit" v-on:click="edit" :show="!editing" tooltip="Edit"></EditButton>-->
+      title="Checking"
-    <EditButton
+      width="30%"
-      icon="fas fa-undo"
+      center
-      v-on:click="centerDialogVisible = true"
+      :visible.sync="checkDialogVisible"
-      :show="editing"
+    >
-      tooltip="Undo"
+      <el-container direction="vertical">
-    ></EditButton>
+        <el-progress
-    <el-dialog title="Reload" :visible.sync="centerDialogVisible" width="30%" center>
+          :percentage="Number(((progress / max) * 100).toPrecision(3))"
-      <span style="center">Reload from last save? You will lose the current edits.</span>
+          v-if="max > 0"
+        ></el-progress>
+      </el-container>
+    </el-dialog>
+
+    <el-dialog
+      title="Revert"
+      :visible.sync="centerDialogVisible"
+      width="550px"
+      center
+    >
+      <span>
+        Please select the Version to revert to.
+        <el-row v-for="item in saves" :key="item.file">
+           <el-button @click="revert(item.file)">{{item.mtime}}</el-button>
+        </el-row>
+      </span>
+
       <span slot="footer" class="dialog-footer">
-        <el-button @click="undoFirst">Base version (GIT)</el-button>
+        <el-button type="primary" @click="cancel">Cancel</el-button>
-        <el-button type="primary" @click="undoLast">Last save</el-button>
       </span>
     </el-dialog>
-    <el-dialog title="Saving" :visible.sync="saveDialogVisible" width="30%" center>
+    <el-dialog
+      title="Saving"
+      :visible.sync="saveDialogVisible"
+      width="30%"
+      center
+    >
       <span style="center">Saving..</span>
     </el-dialog>
 
-    <EditButton icon="fas fa-save" v-on:click="save" :show="editing" tooltip="Save"></EditButton>
+    <ZoomButton
-    <EditButton icon="far fa-check-square" v-on:click="showCheck" :show="editing" tooltip="Check"></EditButton>
+      icon="fas fa-th"
+      v-on:click="zoomin"
+      :show="true"
+      tooltip="Zoomin"
+    ></ZoomButton>
+    <ZoomButton
+      icon="fas fa-th-large"
+      v-on:click="zoomout"
+      :show="!editing"
+      tooltip="Zoomout"
+    ></ZoomButton>
 
+    <EditButton
+      icon="fa fa-window-close"
+      v-on:click="close"
+      :show="editing"
+      tooltip="Close/Save Editing"
+    ></EditButton>
+    <EditButton
+      icon="fas fa-undo"
+      v-on:click="openReload"
+      :show="editing"
+      tooltip="Revert to Savepoint"
+    ></EditButton>
+    <EditButton
+      icon="fas fa-save"
+      v-on:click="save"
+      :show="editing"
+      tooltip="Save"
+    ></EditButton>
+    <EditButton
+      icon="far fa-check-square"
+      v-on:click="showCheck"
+      :show="editing"
+      tooltip="Check"
+    ></EditButton>
     <EditButton
       icon="fas fa-draw-polygon"
       v-on:click="drawPolyline"
@@ -61,12 +113,12 @@ You should have received a copy of the GNU General Public License along with FG
       :show="editing"
       tooltip="Draw Parking"
     ></EditButton>
-    <EditButton icon="fas fa-trash-alt" v-on:click="deleteFeature" :show="editing" tooltip="Remove"></EditButton>
+    <EditButton
-    <el-dialog title="Checking" width="30%" center :visible.sync="checkDialogVisible">
+      icon="fas fa-trash-alt"
-      <el-container direction="vertical">
+      v-on:click="deleteFeature"
-        <el-progress :percentage="Number(((progress / max)*100).toPrecision(3))" v-if="max>0"></el-progress>
+      :show="editing"
-      </el-container>
+      tooltip="Remove"
-    </el-dialog>
+    ></EditButton>
   </div>
 </template>
 
@@ -76,6 +128,8 @@ You should have received a copy of the GNU General Public License along with FG
   const fs = require('fs');
   const mapper = require('../check/mapper');
 
+  import {listSaves} from '../loaders/groundnet_loader'
+
   import EditButton from './EditButton'
   import ZoomButton from './ZoomButton';
   import Vue from 'vue'
@@ -85,11 +139,14 @@ You should have received a copy of the GNU General Public License along with FG
   export default {
     components: { EditButton, ZoomButton },
     data () {
-      return {isEditing: false, uploadVisible: false, centerDialogVisible: false, saveDialogVisible: false, checkDialogVisible: false, checking: false, progress: 0, max: 0, pavementLayerVisible: true}
+      return {isEditing: false, uploadVisible: false, centerDialogVisible: false, saveDialogVisible: false, checkDialogVisible: false, checking: false, progress: 0, max: 0, pavementLayerVisible: true, saves: [] }
     },
     created () {
     },
     methods: {
+      cancel () {
+        this.centerDialogVisible = false        
+      },
       zoomout() {
         this.$parent.$parent.$refs.editLayer.stopDrawing()
         this.$parent.$parent.zoomUpdated(9)
@@ -109,7 +166,7 @@ You should have received a copy of the GNU General Public License along with FG
       setEditing (editing) {
         this.isEditing = editing
       },
-      undoFirst () {
+      revert (file) {
         this.isEditing = false
         this.$emit('edit', false)
         this.centerDialogVisible = false
@@ -117,25 +174,32 @@ You should have received a copy of the GNU General Public License along with FG
         this.$parent.$parent.$refs.editLayer.disableEdit()
         this.$parent.$parent.$refs.towerLayer.disableEdit()
         this.$parent.$parent.$refs.thresholdLayer.disableEdit()
-        this.$parent.$parent.$refs.editLayer.reload(true)
+        this.$parent.$parent.$refs.editLayer.reload(file)
       },
-      undoLast () {
+      close () {
-        this.isEditing = false
-        this.$emit('edit', false)
-        this.centerDialogVisible = false
-        this.$parent.$parent.$refs.map.mapObject.options.minZoom = 1;
-        this.$parent.$parent.$refs.editLayer.disableEdit()
-        this.$parent.$parent.$refs.towerLayer.disableEdit()
-        this.$parent.$parent.$refs.thresholdLayer.disableEdit()
-        this.$parent.$parent.$refs.editLayer.reload(false)
-      },
-      save () {
         this.$parent.$parent.$refs.editLayer.stopDrawing()
         this.isEditing = false
         this.$emit('edit', false)
         this.$parent.$parent.$refs.map.mapObject.options.minZoom = 1;
         Vue.set(this, 'saveDialogVisible', true)
         this.$emit('edit', false)
+        Vue.nextTick( function () {
+            setTimeout( this.closeDefered.bind(this), 100);
+        }, this)
+      },
+      closeDefered () {
+        this.$parent.$parent.$refs.editLayer.save()
+        this.$parent.$parent.$refs.towerLayer.save()
+        this.$parent.$parent.$refs.thresholdLayer.save()
+        this.$parent.$parent.$refs.editLayer.disableEdit()
+        this.$parent.$parent.$refs.towerLayer.disableEdit()
+        this.$parent.$parent.$refs.thresholdLayer.disableEdit()
+        this.rescanCurrentGroundnet()
+        Vue.set(this, 'saveDialogVisible', false)              
+      },
+      save () {
+        Vue.set(this, 'saveDialogVisible', true)
+        this.$parent.$parent.$refs.editLayer.stopDrawing()
         Vue.nextTick( function () {
             setTimeout( this.saveDefered.bind(this), 100);
           }, this)
@@ -144,13 +208,10 @@ You should have received a copy of the GNU General Public License along with FG
         this.$parent.$parent.$refs.editLayer.save()
         this.$parent.$parent.$refs.towerLayer.save()
         this.$parent.$parent.$refs.thresholdLayer.save()
-        this.$parent.$parent.$refs.editLayer.disableEdit()
+        this.rescanCurrentGroundnet()
-        this.$parent.$parent.$refs.towerLayer.disableEdit()
-        this.$parent.$parent.$refs.thresholdLayer.disableEdit()
-        this.scanGroundnets()
         Vue.set(this, 'saveDialogVisible', false)              
       },
-      scanGroundnets () {
+      rescanCurrentGroundnet () {
         try {
           const winURL = process.env.NODE_ENV === 'development'
             ? `http://localhost:9080/src/renderer/utils/worker.js`
@@ -297,6 +358,13 @@ You should have received a copy of the GNU General Public License along with FG
         this.$parent.$parent.$refs.editLayer.stopDrawing()
         Vue.set(this, 'checkDialogVisible', true)
         this.check()
+      },
+      openReload: function() {
+        this.centerDialogVisible = true
+        var icao = this.$parent.$parent.$refs.editLayer.icao
+        if (icao !== undefined && icao !== '') {
+          this.saves = listSaves(this.$store.state.Settings.settings.airportsDirectory, icao).sort((a, b) => a.mtimeMs - b.mtimeMs)
+        }
       }
     },
     computed: {

src/renderer/components/EditLayer.vue

@@ -109,7 +109,7 @@ You should have received a copy of the GNU General Public License along with FG
     },
     data () {
       return {
-        maxId: 1, icao: String, checking: false, editing: false
+        maxId: 1, icao: '', checking: false, editing: false
       }
     },
     methods: {
@@ -128,13 +128,18 @@ You should have received a copy of the GNU General Public License along with FG
          this.selection = parkings;
          return parkings;
       },
-      load (icao, force) {        
+      load (icao, filename) {        
         if (this.groundnetLayerGroup !== undefined) {
           this.groundnetLayerGroup.removeFrom(this.$parent.mapObject)
         }        
         this.$parent.$parent.setIcao(icao)
         this.icao = icao
-        this.groundnetLayerGroup = readGroundnetXML(this.$store.state.Settings.settings.airportsDirectory, icao, force)
+        var f = path.join(this.$store.state.Settings.settings.airportsDirectory, icao[0], icao[1], icao[2], icao + '.groundnet.new.xml');
+        if (!fs.existsSync(f)) {
+          f = path.join(this.$store.state.Settings.settings.airportsDirectory, icao[0], icao[1], icao[2], icao + '.groundnet.xml');        
+        }
+
+        this.groundnetLayerGroup = readGroundnetXML(this.$store.state.Settings.settings.airportsDirectory, icao, f)
         if (this.groundnetLayerGroup === undefined) {
           console.warn('Groundnet for ICAO not loaded ' + icao)
           return
@@ -912,8 +917,8 @@ You should have received a copy of the GNU General Public License along with FG
         this.$parent.mapObject.off('click', this.addParking)
         this.$parent.mapObject._container.style.cursor = ''
       },
-      reload (force) {
+      reload (filename) {
-        this.load(this.icao, force)
+        this.load(this.icao, filename)
       },
       link (index) {
         var layers = []
@@ -1007,8 +1012,7 @@ You should have received a copy of the GNU General Public License along with FG
           //console.debug(l)
           xml.push(l)
         })
-        writeGroundnetXML(this.$store.state.Settings.settings.airportsDirectory, this.icao, xml)
+        writeGroundnetXML(this.$store.state.Settings.settings.airportsDirectory, this.icao, xml)        
-        this.load(this.icao, false)
       },
       //Copy to test directory
       test() {

src/renderer/components/SettingsPanel.vue

@@ -6,135 +6,206 @@
         <i class="fa fa-caret-left"></i>
       </div>
     </h1>
-    <div id="panel" width="100%">      
+    <el-collapse v-model="activeName" accordion>
-      <el-row>
+      <el-collapse-item title="General" name="1">
-        <el-col :span="22" class="label">Airports Directory</el-col>
+        <el-row>
-      </el-row>
+          <el-col :span="12" class="label">Number of saves : </el-col>
-      <el-row>
+          <el-col :span="12">
-        <el-col :span="22" v-bind:class="{ invalid: !airports_directory_ok, file_label: airports_directory_ok}">{{ airports_directory }}</el-col>
+            <el-popover
-        <el-col :span="2">
+              placement="top-start"
-          <el-popover
+              title="Saves"
-            placement="top-start"
+              width="200"
-            title="E-Mail"
+              trigger="hover"
-            width="200"
+              content="How many previous versions should be kept."
-            trigger="hover"
+            >
-            content="The work directory. Best is a copy from groundweb"
+              <el-input
+                placeholder="Number of versions"
+                slot="reference"
+                v-model="numberOfSaves"
+              ></el-input>
+            </el-popover>
+          </el-col>
+        </el-row>
+      </el-collapse-item>
+      <el-collapse-item title="Directories" name="2">
+        <el-row>
+          <el-col :span="22" class="label">Airports Directory</el-col>
+        </el-row>
+        <el-row>
+          <el-col
+            :span="22"
+            v-bind:class="{
+              invalid: !airports_directory_ok,
+              file_label: airports_directory_ok,
+            }"
+            >{{ airports_directory }}</el-col
           >
-            <directory-select @input="airportsDirectorySelect" slot="reference"></directory-select>
+          <el-col :span="2">
-          </el-popover>
+            <el-popover
-        </el-col>
+              placement="top-start"
-      </el-row>
+              title="E-Mail"
-      <el-row>
+              width="200"
-        <el-col :span="22" class="label">Flightgear Data Directory</el-col>
+              trigger="hover"
-      </el-row>
+              content="The work directory. Best is a copy from groundweb"
-      <el-row>
+            >
-        <el-col :span="22" v-bind:class="{ invalid: !flightgear_directory_ok, file_label: flightgear_directory_ok}">{{ flightgear_directory }}</el-col>
+              <directory-select
-        <el-col :span="2">
+                @input="airportsDirectorySelect"
-        <el-popover
+                slot="reference"
-          placement="top-start"
+              ></directory-select>
-          title="E-Mail"
+            </el-popover>
-          width="200"
+          </el-col>
-          trigger="hover"
+        </el-row>
-          content="The FGDATA directory."
+        <el-row>
-        >
+          <el-col :span="22" class="label">Flightgear Data Directory</el-col>
-          <directory-select @input="flightgearDirectorySelect" slot="reference"></directory-select>
+        </el-row>
-        </el-popover>
+        <el-row>
-        </el-col>
+          <el-col
-      </el-row>
+            :span="22"
-      <el-row>
+            v-bind:class="{
-        <el-col :span="22" class="label">Traffic Directory</el-col>
+              invalid: !flightgear_directory_ok,
-      </el-row>
+              file_label: flightgear_directory_ok,
-      <el-row>
+            }"
-        <el-col :span="22" v-bind:class="{ invalid: !Traffic_directory_ok, file_label: Traffic_directory_ok}">{{ Traffic_directory }}</el-col>
+            >{{ flightgear_directory }}</el-col
-        <el-col :span="2">
-        </el-col>
-      </el-row>
-      <el-row>
-        <el-col :span="22" class="label">APT File</el-col>
-      </el-row>
-      <el-row>
-        <el-col :span="22" v-bind:class="{invalid: !apt_file_ok}" >{{ apt_file }}</el-col>
-        <el-col :span="2">
-        </el-col>
-      </el-row>
-      <el-row>
-        <el-col :span="7" class="label">Export Directory</el-col>
-        <el-col :span="15" v-bind:class="{invalid: !test_directory_ok, file_label: test_directory_ok}">{{ test_directory }}</el-col>
-        <el-col :span="2">
-          <directory-select @input="testDirectorySelect"></directory-select>
-        </el-col>
-      </el-row>
-      <el-row>
-        <el-col :span="22" class="label">Phi Host Url</el-col>
-      </el-row>
-      <el-row>
-        <el-col :span="24" class="label">
-            <el-input placeholder="Please input a valid Phi URL" v-model="phi_url"></el-input>
-        </el-col>
-      </el-row>
-      <el-row>
-
-        <el-col :span="7" class="label">Author E-Mail : </el-col>
-        <el-col :span="17">
-        <el-popover
-          placement="top-start"
-          title="E-Mail"
-          width="200"
-          trigger="hover"
-          content="Only used as a committer/author for Github. This e-mail is only visible via GIT."
-        >
-            <el-input placeholder="Please input your email" slot="reference" v-model="email"></el-input>
-        </el-popover>
-        </el-col>
-      </el-row>
-      <el-row>
-
-        <el-col :span="7" class="label">Author Name : </el-col>
-        <el-col :span="17">
-        <el-popover
-          placement="top-start"
-          title="Goto"
-          width="200"
-          trigger="hover"
-          content="This is saved to the file and is therefore distributed via Terrasync."
-        >
-            <el-input placeholder="Please input your Name" slot="reference" v-model="name"></el-input>
-        </el-popover>
-        </el-col>
-      </el-row>
-      <el-row>
-        <el-col :span="7">
-          <span class="label">Scan logging :</span>
-        </el-col>
-        <el-col :span="15">
-          <el-popover
-            placement="top-start"
-            title="Logging"
-            width="200"
-            trigger="hover"
-            content="Switch on logging for scan. Big performance hit"
           >
-            <el-switch v-model="scanLogging" slot="reference"></el-switch>
+          <el-col :span="2">
-          </el-popover>
+            <el-popover
-        </el-col>
+              placement="top-start"
-      </el-row>
+              title="E-Mail"
-      <el-row>
+              width="200"
-        <el-col :span="7" class="label"></el-col>
+              trigger="hover"
-        <el-col :span="17">
+              content="The FGDATA directory."
-        <el-popover
+            >
-          placement="top-start"
+              <directory-select
-          title="Debug"
+                @input="flightgearDirectorySelect"
-          width="200"
+                slot="reference"
-          trigger="hover"
+              ></directory-select>
-          content="Opens the JavaScript Debugger for troubleshooting"
+            </el-popover>
-        >
+          </el-col>
-          <el-button @click="debug" class="button"  slot="reference" >
+        </el-row>
-            <i class="fas fa-bug"></i> Debugger
+        <el-row>
-          </el-button>
+          <el-col :span="22" class="label">Traffic Directory</el-col>
-        </el-popover>
+        </el-row>
-        </el-col>
+        <el-row>
-      </el-row>
+          <el-col
-    </div>
+            :span="22"
+            v-bind:class="{
+              invalid: !Traffic_directory_ok,
+              file_label: Traffic_directory_ok,
+            }"
+            >{{ Traffic_directory }}</el-col
+          >
+          <el-col :span="2"> </el-col>
+        </el-row>
+        <el-row>
+          <el-col :span="22" class="label">APT File</el-col>
+        </el-row>
+        <el-row>
+          <el-col :span="22" v-bind:class="{ invalid: !apt_file_ok }">{{
+            apt_file
+          }}</el-col>
+          <el-col :span="2"> </el-col>
+        </el-row>
+        <el-row>
+          <el-col :span="7" class="label">Export Directory : </el-col>
+          <el-col
+            :span="15"
+            v-bind:class="{
+              invalid: !test_directory_ok,
+              file_label: test_directory_ok,
+            }"
+            >{{ test_directory }}</el-col
+          >
+          <el-col :span="2">
+            <directory-select @input="testDirectorySelect"></directory-select>
+          </el-col>
+        </el-row>
+      </el-collapse-item>
+      <el-collapse-item title="User" name="3">
+        <el-row>
+          <el-col :span="7" class="label">Author E-Mail : </el-col>
+          <el-col :span="17">
+            <el-popover
+              placement="top-start"
+              title="E-Mail"
+              width="200"
+              trigger="hover"
+              content="Only used as a committer/author for Github. This e-mail is only visible via GIT."
+            >
+              <el-input
+                placeholder="Please input your email"
+                slot="reference"
+                v-model="email"
+              ></el-input>
+            </el-popover>
+          </el-col>
+        </el-row>
+        <el-row>
+          <el-col :span="7" class="label">Author Name : </el-col>
+          <el-col :span="17">
+            <el-popover
+              placement="top-start"
+              title="Goto"
+              width="200"
+              trigger="hover"
+              content="This is saved to the file and is therefore distributed via Terrasync."
+            >
+              <el-input
+                placeholder="Please input your Name"
+                slot="reference"
+                v-model="name"
+              ></el-input>
+            </el-popover>
+          </el-col>
+        </el-row>
+      </el-collapse-item>
+      <el-collapse-item title="Troubleshooting" name="4">
+        <el-row>
+          <el-col :span="7">
+            <span class="label">Scan logging :</span>
+          </el-col>
+          <el-col :span="15">
+            <el-popover
+              placement="top-start"
+              title="Logging"
+              width="200"
+              trigger="hover"
+              content="Switch on logging for scan. Big performance hit"
+            >
+              <el-switch v-model="scanLogging" slot="reference"></el-switch>
+            </el-popover>
+          </el-col>
+        </el-row>
+        <el-row>
+          <el-col :span="7" class="label"></el-col>
+          <el-col :span="17">
+            <el-popover
+              placement="top-start"
+              title="Debug"
+              width="200"
+              trigger="hover"
+              content="Opens the JavaScript Debugger for troubleshooting"
+            >
+              <el-button @click="debug" class="button" slot="reference">
+                <i class="fas fa-bug"></i> Debugger
+              </el-button>
+            </el-popover>
+          </el-col>
+        </el-row>
+      </el-collapse-item>
+      <el-collapse-item title="Flightgear" name="5">
+        <el-row>
+          <el-col :span="22" class="label">Phi Host Url</el-col>
+        </el-row>
+        <el-row>
+          <el-col :span="24" class="label">
+            <el-input
+              placeholder="Please input a valid Phi URL"
+              v-model="phi_url"
+            ></el-input>
+          </el-col>
+        </el-row>
+      </el-collapse-item>
+    </el-collapse>
   </div>
 </template>
 
@@ -152,8 +223,7 @@
     },
 
     data () {
-      return { ok: true
+      return { ok: true, activeName: '0' }
-      }
     },
     methods: {
       flightgearDirectorySelect: function (flightgearDirectory) {
@@ -173,6 +243,16 @@
       }
     },
     computed: {
+      numberOfSaves: {
+      // getter
+        get: function () {
+          return this.$store.state.Settings.settings.numberOfSaves
+        },
+        // setter
+        set: function (newValue) {
+          this.$store.commit('SET_NUMBER_OF_SAVES', newValue)
+        }
+      },
       email: {
       // getter
         get: function () {
@@ -293,5 +373,4 @@
   padding: 5px;
   background-color: red;
 }
-
 </style>

src/renderer/loaders/groundnet_loader.js

@@ -29,22 +29,37 @@ function addFrequencies (type, value) {
 }
 
 exports.addFeature = function (feature) {
-    featureLookup[feature.id] = new Array();
+    featureLookup[feature.id] = [];
 }
 
-exports.readGroundnetXML = function (fDir, icao, force) {
+exports.listSaves = function (fDir, icao) {
+    var directory = path.join(fDir, icao[0], icao[1], icao[2]);
+    var files = fs.readdirSync(directory);
+    var ret = files
+    .filter(f => f.includes(icao) )
+    .filter(f => f.includes('groundnet') )
+    .map(f => { 
+        try {
+            var fileDate = fs.lstatSync(path.join(directory, f));
+            return {file: f, mtime: `${fileDate.mtime}`, mtimeMs: `${fileDate.mtimeMs}`};                
+        } catch (error) {
+            console.error(error);
+        }
+    });
+    ret.forEach( f => {
+        console.debug(f);
+    });
+    return ret;
+}
+
+exports.readGroundnetXML = function (fDir, icao, f) {
     try {
         store.default.dispatch('setGroundnetLoaded', false);
         var layerGroup = L.layerGroup();
         layerGroup.maxId = 0;
-        var f = path.join(fDir, icao[0], icao[1], icao[2], icao + '.groundnet.xml');
-        var fNew = path.join(fDir, icao[0], icao[1], icao[2], icao + '.groundnet.new.xml');
 
-        if (f == null || (!fs.existsSync(f) && force)|| (!fs.existsSync(f) && !fs.existsSync(fNew) ))
+        if (f == null || (!fs.existsSync(f) ))
             return layerGroup;
-        if (fNew != null && fs.existsSync(fNew) && !force) {
-            f = fNew;
-        }
 
         var features = new Array();
 

src/renderer/loaders/groundnet_writer.js

@@ -65,11 +65,22 @@ exports.writeGroundnetXML = function (fDir, icao, featureList) {
         try { fs.mkdirSync(path.join(fDir, icao[0], icao[1]), { recursive: true })} catch (err) { }
         try { fs.mkdirSync(path.join(fDir, icao[0], icao[1], icao[2]), { recursive: true })} catch (err) { }
 
+        var fileNames = [];
+        for (let index = 1; index <= store.default.state.Settings.settings.numberOfSaves; index++) {
+            fileNames.push(path.join(fDir, icao[0], icao[1], icao[2], icao + `.groundnet.bak.${index}.xml`));            
+        }
         var f = path.join(fDir, icao[0], icao[1], icao[2], icao + '.groundnet.new.xml');
-        var fBak = path.join(fDir, icao[0], icao[1], icao[2], icao + '.groundnet.bak.xml');
 
         if( fs.existsSync(f) ) {
-            fs.copyFileSync(f, fBak);
+            var previous = '';
+            fileNames.reverse().forEach(fBak => {                
+                if (fs.existsSync(fBak) && previous !== '') {
+                    console.debug( `Copy ${fBak} to ${previous}`);
+                    fs.copyFileSync(fBak, previous);
+                }
+                previous = fBak;
+            });
+            fs.copyFileSync(f, previous);
         }
         if (f == null)
             return;

src/renderer/store/modules/Settings.js

@@ -3,7 +3,7 @@ const path = require('path');
 const fs = require('fs');
 
 const state = {
-  settings: { flightgearDirectory: '.', testDirectory: '.', email: 'flightgearairports@example.org', name: 'unknown', phi_url: 'http://localhost:8080' },
+  settings: { numberOfSaves: 1, flightgearDirectory: '.', testDirectory: '.', email: 'flightgearairports@example.org', name: 'unknown', phi_url: 'http://localhost:8080' },
   zoom: 14,
   center: [47.413220, -1.219482],
   bounds: undefined,
@@ -50,6 +50,9 @@ const mutations = {
   'SET_NAME'(state, name) {
     state.settings.name = name
   },
+  'SET_NUMBER_OF_SAVES'(state, numberOfSaves) {
+    state.settings.numberOfSaves = numberOfSaves
+  },
   'SET_PHI_URL'(state, phi_url) {
     state.settings.phi_url = phi_url
   },