waypoint_editor: Add simple application for editing waypoints on

watch.

apps/waypoint_editor/ChangeLog

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+0.01: New App!

apps/waypoint_editor/README.md

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+# Waypoints
+
+Simple waypoint editor.

apps/waypoint_editor/app-icon.js

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+require("heatshrink").decompress(atob("mEwwJC/AH4A/AH4AgA=="))

apps/waypoint_editor/app.js

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+/* Thanks to pinsafe from BangleApps repository */
+
+var Layout = require("Layout");
+
+const W = g.getWidth();
+const H = g.getHeight();
+
+var wp = require('Storage').readJSON("waypoints.json", true) || [];
+// Use this with corrupted waypoints
+//var wp = [];
+/* 0 .. DD.ddddd
+   1 .. DD MM.mmm'
+   2 .. DD MM'ss"
+*/
+var mode = 1;
+
+function writeWP() {
+  require('Storage').writeJSON("waypoints.json", wp);
+}
+
+function mainMenu() {
+  var menu = {
+    "< Back" : Bangle.load
+  };
+  if (Object.keys(wp).length==0) Object.assign(menu, {"NO WPs":""});
+  else for (let id in wp) {
+    let i = id;
+    menu[wp[id]["name"]]=()=>{ decode(i); };
+  }
+  menu["Add"]=addCard;
+  menu["Remove"]=removeCard;
+  menu["Format"]=setFormat;
+  g.clear();
+  E.showMenu(menu);
+}
+
+function setFormat() {
+  var confirmRemove = new Layout (
+        {type:"v", c: [
+          {type:"txt", font:"15%", pad:1, fillx:1, filly:1, label:"Format"},
+          {type:"btn", font:"15%", pad:1, fillx:1, filly:1, label: "DD.dddd", cb:l=>{  mode = 0; mainMenu(); }},
+          {type:"btn", font:"15%", pad:1, fillx:1, filly:1, label: "DD MM.mmm'", cb:l=>{  mode = 1; mainMenu(); }},
+          {type:"btn", font:"15%", pad:1, fillx:1, filly:1, label: "DD MM'ss"+'"', cb:l=>{  mode = 2; mainMenu(); }},
+        ], lazy:true});
+  g.clear();
+  confirmRemove.render();
+}
+
+function format(x) {
+  switch (mode) {
+    case 0:
+      return "" + x;
+    case 1:
+      d = Math.floor(x);
+      m = x - d;
+      m = m*60;
+      return "" + d + " " + m + "'";
+    case 2:
+      d = Math.floor(x);
+      m = x - d;
+      m = m*60;
+      mf = Math.floor(m);
+      s = m - mf;
+      s = s*60;
+      return "" + d + " " + mf + "'" + s + '"';
+  }
+}
+
+function lat(x) {
+  c = "N";
+  if (x<0) {
+    c = "S";
+    x = -x;
+  }
+  return c+format(x);
+}
+
+function lon(x) {
+  c = "E";
+  if (x<0) {
+    c = "W";
+    x = -x;
+  }
+  return c+format(x);
+}
+
+function decode(pin) {
+      print(pin);
+      var i = wp[pin];
+      var pinDecrypted=i["name"] + "\n" + lat(i["lat"]) + "\n" + lon(i["lon"]);
+      var showPin = new Layout ({
+        type:"v", c: [
+          {type:"txt", font:"10%", pad:1, fillx:1, filly:1, label: pinDecrypted},
+          {type:"btn", font:"10%", pad:1, fillx:1, filly:1, label:"OK", cb:l=>{mainMenu();}}
+        ], lazy:true});
+      g.clear();
+      showPin.render();
+}
+
+function showNumpad(text, key_, callback) {
+  key = key_;
+  E.showMenu();
+  function addDigit(digit) {
+    key+=digit;
+    if (1) {
+      l = text[key.length];
+      switch (l) {
+        case '.': case ' ': case "'":
+          key+=l;
+          break;
+        case 'd': case 'D': default:
+          break;
+      }
+    }
+    Bangle.buzz(20);
+    update();
+  }
+  function update() {
+    g.reset();
+    g.clearRect(0,0,g.getWidth(),23);
+    s = key + text.substr(key.length, 999);
+    g.setFont("Vector:24").setFontAlign(1,0).drawString(s,g.getWidth(),12);
+  }
+  ds="12%";
+  var numPad = new Layout ({
+      type:"v", c: [{
+        type:"v", c: [
+          {type:"", height:24},
+          {type:"h",filly:1, c: [
+            {type:"btn", font:ds, width:58, label:"7", cb:l=>{addDigit("7");}},
+            {type:"btn", font:ds, width:58, label:"8", cb:l=>{addDigit("8");}},
+            {type:"btn", font:ds, width:58, label:"9", cb:l=>{addDigit("9");}}
+          ]},
+          {type:"h",filly:1, c: [
+            {type:"btn", font:ds, width:58, label:"4", cb:l=>{addDigit("4");}},
+            {type:"btn", font:ds, width:58, label:"5", cb:l=>{addDigit("5");}},
+            {type:"btn", font:ds, width:58, label:"6", cb:l=>{addDigit("6");}}
+          ]},
+          {type:"h",filly:1, c: [
+            {type:"btn", font:ds, width:58, label:"1", cb:l=>{addDigit("1");}},
+            {type:"btn", font:ds, width:58, label:"2", cb:l=>{addDigit("2");}},
+            {type:"btn", font:ds, width:58, label:"3", cb:l=>{addDigit("3");}}
+          ]},
+          {type:"h",filly:1, c: [
+            {type:"btn", font:ds, width:58, label:"0", cb:l=>{addDigit("0");}},
+            {type:"btn", font:ds, width:58, label:"C", cb:l=>{key=key.slice(0,-1); update();}},
+            {type:"btn", font:ds, width:58, id:"OK", label:"OK", cb:callback}
+          ]}
+        ]}
+      ], lazy:true});
+  g.clear();
+  numPad.render();  
+  update();
+}
+
+function removeCard() {
+  var menu = {
+    "" : {title : "select card"},
+    "< Back" : mainMenu
+  };
+  if (Object.keys(wp).length==0) Object.assign(menu, {"NO CARDS":""});
+  else for (let c in wp) {
+    let card=c;
+    menu[c]=()=>{
+      E.showMenu();
+      var confirmRemove = new Layout (
+        {type:"v", c: [
+          {type:"txt", font:"15%", pad:1, fillx:1, filly:1, label:"Delete"},
+          {type:"txt", font:"15%", pad:1, fillx:1, filly:1, label:card+"?"},
+          {type:"h", c: [
+            {type:"btn", font:"15%", pad:1, fillx:1, filly:1, label: "YES", cb:l=>{
+              delete wp[card];
+              writeWP();
+              mainMenu();
+            }},
+            {type:"btn", font:"15%", pad:1, fillx:1, filly:1, label: " NO", cb:l=>{mainMenu();}}
+          ]}
+        ], lazy:true});
+      g.clear();
+      confirmRemove.render();
+    };
+  }
+  E.showMenu(menu);
+}
+
+function ask01(t, cb) {
+  var confirmRemove = new Layout (
+        {type:"v", c: [
+          {type:"txt", font:"15%", pad:1, fillx:1, filly:1, label:"Format"},
+          {type:"btn", font:"15%", pad:1, fillx:1, filly:1, label: t[0], cb:l=>{ cb(1); }},
+          {type:"btn", font:"15%", pad:1, fillx:1, filly:1, label: t[1], cb:l=>{ cb(-1); }},
+        ], lazy:true});
+  g.clear();
+  confirmRemove.render();
+}
+
+
+function askCoordinate(t1, t2, callback) {
+  let sign = 1;
+  ask01(t1, function(sign) {
+      switch (mode) {
+        case 0: s = "DDD.dddd"; break;
+        case 1: s = "DDD MM.mmm"; break;
+        case 2: s = "DDD MM'ss"+'"'; break;
+      }
+      showNumpad(s, t2, function() {
+      switch (mode) {
+        case 0:
+          res = parseFloat(key);
+          break;
+        case 1:
+          d = parseInt(key.substr(0, 3));
+          m = parseFloat(key.substr(3,99));
+          res = d + m/60.0;
+          break;
+        case 2:
+          d = parseInt(key.substr(0, 3));
+          m = parseInt(key.substr(4, 2));
+          s = parseInt(key.substr(7, 2));
+          res = d + m/60.0 + s/3600.0;
+      }
+      res = sign * res;
+      print("Coordinate", res);
+      callback(res);
+    });
+  });
+}
+
+function askPosition(callback) {
+  let full = "";
+  askCoordinate("NS", "0", function(lat) {
+    askCoordinate("EW", "", function(lon) {
+        callback(lat, lon);
+    });
+  });
+}
+
+function addCard() {
+  showNumpad("wpXX", "wp", function() {
+    result = key;
+    if (wp[result]!=undefined) {
+            E.showMenu();
+            var alreadyExists = new Layout (
+              {type:"v", c: [
+                {type:"txt", font:Math.min(15,100/result.length)+"%", pad:1, fillx:1, filly:1, label:result},
+                {type:"txt", font:"12%", pad:1, fillx:1, filly:1, label:"already exists."},
+                {type:"h", c: [
+                  {type:"btn", font:"10%", pad:1, fillx:1, filly:1, label: "REPLACE", cb:l=>{encodeCard(result);}},
+                  {type:"btn", font:"10%", pad:1, fillx:1, filly:1, label: "CANCEL", cb:l=>{mainMenu();}}
+                ]}
+              ], lazy:true});
+            g.clear();
+            alreadyExists.render();
+          }
+    g.clear();
+    askPosition(function(lat, lon) {
+      print("position -- ", lat, lon);
+      let n = {};
+      n["name"] = result;
+      n["lat"] = lat;
+      n["lon"] = lon;
+      wp.push(n);
+      print("add -- waypoints", wp);
+      writeWP();
+      mainMenu();
+    });
+  });
+}
+
+
+g.reset();
+Bangle.setUI();
+mainMenu();

apps/waypoint_editor/metadata.json

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+{ "id": "waypoint_editor",
+  "name": "Waypoint editor",
+  "version":"0.01",
+  "description": "Allows editing waypoints on device",
+  "icon": "app.png",
+  "readme": "README.md",
+  "supports" : ["BANGLEJS2"],
+  "tags": "tool,outdoors,gps",
+  "storage": [
+      {"name":"waypoint_editor.app.js","url":"app.js"},
+      {"name":"waypoint_editor.img","url":"app-icon.js","evaluate":true}
+  ]
+}