Merge pull request espruino#3671 from pavelmachek/m_40_waypoints

waypoints 0.06: cleanups, minor tweaks

Author: bobrippling

apps/waypoints/ChangeLog

@@ -4,3 +4,4 @@
       Fixes for Bangle.js 1 & not installed textinput
 0.04: Minor code improvements
 0.05: Implement navigation to waypoint
+0.06: Cleanups, minor tweaks

apps/waypoints/metadata.json

@@ -1,6 +1,6 @@
 { "id": "waypoints",
   "name": "Waypoints",
-  "version": "0.05",
+  "version": "0.06",
   "description": "Provides 'waypoints.json' used by various navigation apps, as well as a way to edit it from the App Loader or from the device",
   "icon": "app.png",
   "tags": "tool,outdoors,gps",

apps/waypoints/waypoints.app.js

@@ -305,9 +305,8 @@ var wp = require('Storage').readJSON("waypoints.json", true) || [];
 // Use this with corrupted waypoints
 //var wp = [];
 var key; /* Shared between functions, typically wp name */
-var fix; /* GPS fix */
-var cancel_gps;
-var gps_start;
+var fix; /* GPS fix, shared between updateGps / updateGoto functions and confirmGps */
+var cancel_gps; /* Shared between updateGps / updateGoto functions */
 
 function writeWP() {
   require('Storage').writeJSON("waypoints.json", wp);
@@ -316,7 +315,7 @@ function writeWP() {
 function mainMenu() {
   let textInputInstalled = true;
   try {
-    require("textinput")
+    require("textinput");
   } catch(err) {
     textInputInstalled = false;
   }
@@ -348,7 +347,7 @@ function updateGps() {
     // hdop = "" + fix.hdop.toFixed(0);
   } else {
     lat = "NO FIX\n"
-      + "" + (getTime() - gps_start).toFixed(0) + "s ";
+      + "" + (getTime() - gps.gps_start).toFixed(0) + "s ";
   }
 
   let msg = "";
@@ -376,7 +375,7 @@ function updateGoto() {
     have = true;
   } else {
     lat = "NO FIX\n"
-      + "" + (getTime() - gps_start).toFixed(0) + "s ";
+      + "" + (getTime() - gps.gps_start).toFixed(0) + "s ";
   }
 
   let msg = arrow.name + "\n";
@@ -394,8 +393,8 @@ function updateGoto() {
 }
 
 function stopGps() {
-  cancel_gps=true;
-  Bangle.setGPSPower(0, "waypoints");
+  cancel_gps = true;
+  gps.stop_gps();
 }
 
 function confirmGps(s) {
@@ -419,8 +418,7 @@ function confirmGps(s) {
 
 function markGps() {
   cancel_gps = false;
-  Bangle.setGPSPower(1, "waypoints");
-  gps_start = getTime();
+  gps.start_gps();
   require("textinput").input({text:"wp"}).then(key => {
     confirmGps(key);
   });
@@ -496,9 +494,7 @@ function showNumpad(text, key_, callback) {
 
 function goTo() {
   cancel_gps = false;
-  Bangle.setGPSPower(1, "waypoints");
-  gps.gps_start = getTime();
-  gps_start = getTime();
+  gps.start_gps();
 
   var la = new Layout (
     {type:"v", c: [
@@ -515,8 +511,8 @@ function goTo() {
   updateGoto();
 }
 
-function show(pin) {
-  var i = wp[pin];
+function show(card) {
+  var i = wp[card];
   var l = fmt.fmtPos(i);
   arrow.name = i.name;
   arrow.waypoint = i;
@@ -540,32 +536,28 @@ function showCard() {
     "" : {title : "Select WP"},
     "< Back" : mainMenu
   };
-  if (Object.keys(wp).length==0) Object.assign(menu, {"No WPs":""});
+  if (wp.length==0) Object.assign(menu, {"No WPs":""});
   else {
     wp.forEach((val, card) => {
-      const name = wp[card].name;
+      const name = val.name;
       menu[name]= () => show(card);
     });
   }
   E.showMenu(menu);
 }
 
-function remove(pin)
-{
-  let card = wp[pin];
+function remove(c) {
+  let card = wp[c];
   let name = card["name"];
-  print("Remove?", card, name);
 
   E.showPrompt(name,{
     title:"Delete",
   }).then(function(v) {
     if (v) {
-      wp.splice(pin, 1);
+      wp.splice(c, 1);
       writeWP();
-      mainMenu();
-    } else {
-      mainMenu();
     }
+    mainMenu();
   });
 }
 
@@ -574,10 +566,10 @@ function removeCard() {
     "" : {title : "Select WP"},
     "< Back" : mainMenu
   };
-  if (Object.keys(wp).length==0) Object.assign(menu, {"No WPs":""});
+  if (wp.length==0) Object.assign(menu, {"No WPs":""});
   else {
     wp.forEach((val, card) => {
-      const name = wp[card].name;
+      const name = val.name;
       menu[name]=()=> remove(card);
     });
   }
@@ -595,10 +587,7 @@ function ask01(t, cb) {
   la.render();
 }
 
-var res;
-
 function askCoordinate(t1, t2, callback) {
-  //let sign = 1;
   ask01(t1, function(sign) {
     let d, m, s;
     switch (fmt.geo_mode) {
@@ -607,6 +596,7 @@ function askCoordinate(t1, t2, callback) {
     case 2: s = "DDD MM'ss"+'"'; break;
     }
     showNumpad(s, t2, function() {
+      let res = 0;
       switch (fmt.geo_mode) {
       case 0:
         res = parseFloat(key);
@@ -649,20 +639,18 @@ function createWP(lat, lon, alt, name) {
   writeWP();
 }
 
-var result;
-
 function addCardName(name) {
   g.clear();
   askPosition(function(lat, lon) {
     print("position -- ", lat, lon);
-    createWP(lat, lon, -9999, result);
+    createWP(lat, lon, -9999, name);
     mainMenu();
   });
 }
 
 function addCard() {
   require("textinput").input({text:"wp"}).then(key => {
-    result = key;
+    let result = key;
     if (wp[result]!=undefined) {
       E.showMenu();
       var alreadyExists = new Layout (