From 684a61cf4fca257f9edbb676b338e0adfa1bca2d Mon Sep 17 00:00:00 2001
From: Ren Juan <juan@acm.org>
Date: Fri, 20 Aug 2021 11:24:38 +0000
Subject: [PATCH] *

---
 Ejectable/GT2.tsx | 117 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 Ejectable/GT2.tsx

diff --git a/Ejectable/GT2.tsx b/Ejectable/GT2.tsx
new file mode 100644
index 00000000..3eee0ed5
--- /dev/null
+++ b/Ejectable/GT2.tsx
@@ -0,0 +1,117 @@
+import * as React from 'react';
+import { Coordinate } from "./Coordinate";
+import { Text, View } from './components/Themed';
+import { StyleSheet } from 'react-native';
+
+const styles = StyleSheet.create({
+    tripText: {
+     marginHorizontal: -10,
+     marginVertical: 60,
+     textAlign: 'center',
+     width: "80%",
+     fontSize: 12,
+     fontWeight: 'bold',
+    }});
+
+class Chronometer {
+
+    public display:string = "";
+           clock:number   = 0;
+           intervalID:any = null;
+       
+           tick()  {let hours:number   = 0, minutes:number = 0, seconds:number = 0;                   
+                    this.clock++; 
+                    hours   = this.clock < 3600 ? 0 : (this.clock / 3600);
+                    minutes = this.clock < 60 ? 0 : (this.clock - (hours * 3600)) / 60;
+                    seconds = this.clock % 60;
+                    this.display = hours + ":" + minutes + ":" + seconds; 
+                   }           
+    public start() { this.clock = 0;
+                     this.intervalID = setInterval(this.tick, 1000);                     
+                   }
+    public  resume() { this.intervalID = setInterval(this.tick, 1000); }               
+    public  stop() { clearInterval(this.intervalID); }
+
+}
+
+export class GT2 {
+
+           displayInterval:any   = null;
+           clock:Chronometer     = new Chronometer();
+           startPoint:Coordinate = new Coordinate(0,0);
+    public distance:number       = 0.0;
+           co2Rate:number        = 0.0;   
+	       currTime:number       = 0;
+           lastTime:number       = 0;
+	       loc:Coordinate        = new Coordinate(0,0);
+	public v:number              = 0;
+    public inProgress:boolean    = false;
+    public paused:boolean        = false;
+    public elapsed:number        = 0.0;
+           segments:number       = 1;
+
+    public reset() {
+
+        this.startPoint = new Coordinate(0,0);
+        this.distance   = 0.0;
+        this.co2Rate    = 0.0;   
+        this.currTime   = 0;
+        this.lastTime   = 0;
+        this.loc        = new Coordinate(0,0);
+        this.v          = 0;
+        this.inProgress = false;
+        this.paused     = false;
+        this.elapsed    = 0.0;
+
+    }
+
+    public end()   {
+        
+        this.clock.stop();
+        this.inProgress = false;
+    
+    }
+
+    public pause() {
+    
+        this.clock.stop();
+        this.paused = true;
+    
+    }
+
+    public resume() {
+
+        this.clock.start();
+        this.paused = false;
+    }
+
+    public start() {
+
+        this.clock.start();     
+        this.inProgress = true;
+    }
+   
+
+    public TripDisplay() {
+
+    if (!thisTrip.inProgress) 
+    return ( 
+      <View>
+        <Text style={styles.tripText}>
+         {' No trip started yet.\n'}
+        </Text>
+      </View>);
+    else     
+    return (       
+    <View>
+      <Text style={styles.tripText}>
+       {'Elapsed -   '}{this.clock.display}{'\n'}
+       {'Geo:            '}{'lat: '}{this.loc.mLatitude}{' long: '}{this.loc.mLatitude}{'\n'}
+       {'Vector:       '}{'distance: '}{this.distance}{' velocity: '}{this.v}{'\n'}
+      </Text>
+    </View>);
+    }
+
+}
+
+export var thisTrip:GT2 = new GT2();