From eb63c9bdfef1194d35856859f5fb4d281345b9c0 Mon Sep 17 00:00:00 2001
From: Willy Martin <lucky.nowarzz@gmail.com>
Date: Mon, 8 Jul 2019 16:57:53 +0700
Subject: [PATCH] add text aligning and constant value

---
 .../java/com/nowarzz/rrnepson/EpsonTM82.java  | 39 +++++++++++++++++++
 .../java/com/nowarzz/rrnepson/MyPrinter.java  |  1 +
 .../RNReactNativeEpsonTm82Module.java         | 24 ++++++++++++
 index.js                                      |  5 +++
 package.json                                  |  2 +-
 5 files changed, 70 insertions(+), 1 deletion(-)

diff --git a/android/src/main/java/com/nowarzz/rrnepson/EpsonTM82.java b/android/src/main/java/com/nowarzz/rrnepson/EpsonTM82.java
index f41c802..7f62fd4 100644
--- a/android/src/main/java/com/nowarzz/rrnepson/EpsonTM82.java
+++ b/android/src/main/java/com/nowarzz/rrnepson/EpsonTM82.java
@@ -14,6 +14,7 @@
 import com.epson.epos2.printer.ReceiveListener;
 
 import java.util.Map;
+import java.util.HashMap;
 
 public class EpsonTM82 implements MyPrinter, ReceiveListener {
 
@@ -49,6 +50,7 @@ public EpsonTM82(final Context context, final PrinterEventListener eventListener
         this.listener.onInitializeSuccess("Success Connected");
     }
 
+
     @Override
     public MyReturnValue writeText(String text, ReadableMap property) {
         MyReturnValue res = new MyReturnValue();
@@ -85,6 +87,43 @@ public MyReturnValue writeText(String text, ReadableMap property) {
         return res;
     }
 
+    
+    @Override
+    public MyReturnValue addTextAlign(int align){
+        MyReturnValue res = new MyReturnValue();
+        if (this.mPrinter == null) {
+            res.success = false;
+            res.message = "Printer belum di inisiasi";
+            return res;
+        }
+        try{
+            this.mPrinter.addTextAlign(align);
+        }catch(Epos2Exception e){
+            String message;
+            int errorStatus = e.getErrorStatus();
+            switch (errorStatus) {
+            case Epos2Exception.ERR_PARAM:
+                message = "Parameter Invalid";
+                break;
+            case Epos2Exception.ERR_MEMORY:
+                message = "Out of memory";
+                break;
+            case Epos2Exception.ERR_FAILURE:
+                message = "Unknown Error";
+                break;
+            default:
+                message = Integer.toString(errorStatus);
+            }
+            Toast.makeText(this.reactContext, message, 1).show();
+            res.success = false;
+            res.message = message;
+            return res;
+        }
+        res.success = true;
+        res.message="Sukses";
+        return res;
+    }
+
     @Override
     public void writeQRCode(String content, ReadableMap property) {
         Toast.makeText(this.reactContext, "Currently Not Supported", 1).show();
diff --git a/android/src/main/java/com/nowarzz/rrnepson/MyPrinter.java b/android/src/main/java/com/nowarzz/rrnepson/MyPrinter.java
index 187a0fa..6871a51 100644
--- a/android/src/main/java/com/nowarzz/rrnepson/MyPrinter.java
+++ b/android/src/main/java/com/nowarzz/rrnepson/MyPrinter.java
@@ -5,6 +5,7 @@
 public interface MyPrinter {
     MyReturnValue writeText(String text, ReadableMap property);
     void writeQRCode(String content, ReadableMap property);
+    MyReturnValue addTextAlign(int align);
     MyReturnValue writeImage(Bitmap data, int x, int y, int width, int height);
     MyReturnValue writeFeed(int length);
     MyReturnValue writeCut(ReadableMap property);
diff --git a/android/src/main/java/com/nowarzz/rrnepson/RNReactNativeEpsonTm82Module.java b/android/src/main/java/com/nowarzz/rrnepson/RNReactNativeEpsonTm82Module.java
index 2108816..fcd6441 100644
--- a/android/src/main/java/com/nowarzz/rrnepson/RNReactNativeEpsonTm82Module.java
+++ b/android/src/main/java/com/nowarzz/rrnepson/RNReactNativeEpsonTm82Module.java
@@ -19,6 +19,10 @@
 import java.util.ArrayList;
 import javax.annotation.Nullable;
 
+import java.util.Map;
+import java.util.HashMap;
+
+import com.epson.epos2.printer.Printer;
 
 public class RNReactNativeEpsonTm82Module extends ReactContextBaseJavaModule implements PrinterEventListener {
 
@@ -85,6 +89,16 @@ public void initializeDiscovery(Promise promise){
     promise.resolve(null);
   }
 
+  @Override
+  public Map<String,Object> getConstants(){
+    final Map<String, Object> constants = new HashMap<>();
+    constants.put("ALIGN_LEFT", Printer.ALIGN_LEFT);
+    constants.put("ALIGN_CENTER", Printer.ALIGN_CENTER);
+    constants.put("ALIGN_RIGHT", Printer.ALIGN_RIGHT);
+    constants.put("PARAM_DEFAULT", Printer.PARAM_DEFAULT);
+    return constants;
+  }
+
 
 
   @ReactMethod
@@ -123,6 +137,16 @@ public void writeText(String text, ReadableMap property,Promise promise) {
     }
   }
 
+  @ReactMethod
+  public void addTextAlign(int align, Promise promise){
+    MyReturnValue res = printer.addTextAlign(align);
+    if(res.success){
+      promise.resolve(null);
+    }else{
+      promise.reject(res.message);
+    }
+  }
+
   @ReactMethod
   public void printColumn(ReadableArray columnWidths, ReadableArray columnAligns, ReadableArray columnTexts, @Nullable ReadableMap options, final Promise promise){
     if(columnWidths.size() != columnTexts.size() || columnWidths.size() != columnAligns.size()){
diff --git a/index.js b/index.js
index 0813512..be7a8e8 100644
--- a/index.js
+++ b/index.js
@@ -12,10 +12,15 @@ function CheckPlatformSupport() {
   return true;
 }
 
+
 export default {
+  RNThermalPrinter,
   initialize : ()=> {
     RNThermalPrinter.initilize();
   },
+  addTextAlign: (align)=>{
+    RNThermalPrinter.addTextAlign(align);
+  },
   writeText :(text, property) => {
     RNThermalPrinter.writeText(text, property);
   },
diff --git a/package.json b/package.json
index ddee284..dd1c8a2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rn-epson-tm82",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Project Under Development! Do Not Use Until It Launch.",
   "main": "index.js",
   "scripts": {