Implement viewing of the item compartment number

[hornmich/skoda-qr-demo.git] / QRScanner / mobile / src / main / java / cz / cvut / fel / dce / qrscanner / PreviewActivity.java

diff --git a/QRScanner/mobile/src/main/java/cz/cvut/fel/dce/qrscanner/PreviewActivity.java b/QRScanner/mobile/src/main/java/cz/cvut/fel/dce/qrscanner/PreviewActivity.java
index 7b7db3dd5e37d4472ae643bb3c34aaf2915d21d9..077656f4dfaa481d06898968976744d1b22b4588 100644 (file)
--- a/QRScanner/mobile/src/main/java/cz/cvut/fel/dce/qrscanner/PreviewActivity.java
+++ b/QRScanner/mobile/src/main/java/cz/cvut/fel/dce/qrscanner/PreviewActivity.java
@@ -1,6 +1,8 @@
 package cz.cvut.fel.dce.qrscanner;
 
+import android.content.Context;
 import android.content.Intent;
+import android.media.AudioManager;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.support.v7.app.ActionBarActivity;
@@ -10,12 +12,17 @@ import android.view.View;
 import android.view.ViewTreeObserver;
 import android.widget.ImageView;
 import android.widget.RelativeLayout;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import cz.cvut.fel.dce.qrscanner.mupdf.MuPDFActivity;
 import cz.cvut.fel.dce.qrscanner.pdfviewer.PdfPageView;
 
+import java.io.BufferedReader;
 import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
 
 /**
  * An activity for component picture preview with menu for selecting documents to be shown.
@@ -64,6 +71,10 @@ public class PreviewActivity extends ActionBarActivity implements ViewTreeObserv
         * The Key of the Component Identifier value, passed as a data to the activity launch intent.
         */
        public static final String COMP_ID_INTENT_KEY = "COMPONENT_ID";
+       /**
+        * The name of the file containing aditional information about the component.
+        */
+       public static final String SKODA_COMPONENT_INFO_NAME = "iteminfo.txt";
 
        /**
         * The widget for showing the component preview image.
@@ -90,6 +101,11 @@ public class PreviewActivity extends ActionBarActivity implements ViewTreeObserv
         * Flag signalling whether the PDF page has been loaded.
         */
        private boolean mPdfLoaded;
+       /**
+        * The widget showing the value of the components compartment.
+        */
+       private TextView mCompartmentValue;
+
 
        @Override
        protected void onCreate(Bundle savedInstanceState) {
@@ -98,6 +114,7 @@ public class PreviewActivity extends ActionBarActivity implements ViewTreeObserv
                mPdfLoaded = false;
                mPreviewImg = (ImageView) findViewById(R.id.imgComponent);
                mProgressContainer = (RelativeLayout) findViewById(R.id.progress_container);
+               mCompartmentValue = (TextView) findViewById(R.id.compartment_value);
 
                if (mProgressContainer == null) {
                        Log.e(TAG, "Progress container not found in the activity layout.");
@@ -107,6 +124,11 @@ public class PreviewActivity extends ActionBarActivity implements ViewTreeObserv
                        Log.e(TAG, "ImageView for preview image could not be found in the activity layout.");
                        finish();
                }
+               if (mCompartmentValue == null) {
+                       Log.e(TAG, "TextView for compartment value could not be found in the activity layout.");
+                       finish();
+               }
+
 
                mPreviewImgObserver = mPreviewImg.getViewTreeObserver();
                Log.d(TAG, "Registering mPreviewImgObserver OnGlobalLayoutListener.");
@@ -130,6 +152,36 @@ public class PreviewActivity extends ActionBarActivity implements ViewTreeObserv
                        Log.e(TAG, "No component id received.");
                        finish();
                }
+               File infoFile = new File(mComponentRootPath + SKODA_COMPONENT_INFO_NAME);
+               if (!infoFile.exists()) {
+                       Log.e(TAG, "Aditional information file " + infoFile.getAbsolutePath() + " does not exist.");
+                       Toast toast = Toast.makeText(getApplicationContext(), "Database not complete", Toast.LENGTH_LONG);
+                       toast.show();
+                       finish();
+               }
+               try {
+                       BufferedReader br = new BufferedReader(new FileReader(infoFile));
+                       String compartmentLine = br.readLine();
+                       if (compartmentLine != null) {
+                               mCompartmentValue.setText(compartmentLine);
+                       }
+                       else {
+                               mCompartmentValue.setText("-");
+                       }
+               } catch (FileNotFoundException e) {
+                       Log.e(TAG, "Aditional information file " + infoFile.getAbsolutePath() + " does not exist.");
+                       Toast toast = Toast.makeText(getApplicationContext(), "Database not complete", Toast.LENGTH_LONG);
+                       toast.show();
+                       e.printStackTrace();
+                       finish();
+               } catch (IOException e) {
+                       Log.e(TAG, "Error while reading the aditional information file " + infoFile.getAbsolutePath());
+                       Toast toast = Toast.makeText(getApplicationContext(), "Database reading failed", Toast.LENGTH_LONG);
+                       toast.show();
+                       e.printStackTrace();
+                       finish();
+               }
+
        }
 
        @Override