Export log: implement functionality, tnx DM9KS. Fix #129

AndroidManifest.xml

@@ -23,6 +23,7 @@
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"/>
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-permission android:name="android.permission.VIBRATE"/>
 

res/menu/context_call.xml

@@ -27,4 +27,7 @@
 	<item android:id="@+id/qrzcom"
 	      android:title="@string/sta_qrzcom"
 	      />
+	<item android:id="@+id/sta_export"
+	      android:title="@string/export_log"
+	      />
 </menu>

res/menu/options.xml

@@ -7,6 +7,10 @@
 		android:title="@string/singlelog"
 		android:alphabeticShortcut="s"
 		android:icon="@android:drawable/ic_menu_myplaces" />
+	<item android:id="@+id/export"
+		android:title="@string/export_log"
+		android:alphabeticShortcut="x"
+		android:icon="@android:drawable/ic_menu_save" />
 	<item android:id="@+id/clear"
 		android:title="@string/clear_log"
 		android:alphabeticShortcut="c"

res/values/strings.xml

@@ -125,6 +125,8 @@
 <string name="show_hub">Show Hub</string>
 <string name="show_map">Show Map</string>
 <string name="show_log">Show Log</string>
+<string name="export_log">Export Log</string>
+<string name="export_empty">Nothing to export</string>
 <string name="clear_log">Clear Log</string>
 <string name="quit">Quit</string>
 <string name="preferences">Preferences</string>

src/StorageDatabase.scala

@@ -36,6 +36,8 @@ object StorageDatabase {
 		val TYPE_INCMG	= 3
 		val TYPE_TX	= 4
 
+		val COLUMN_TS		= 1
+		val COLUMN_TSS		= 2
 		val COLUMN_TYPE		= 3
 		val COLUMN_MESSAGE	= 5
 
@@ -356,7 +358,19 @@ class StorageDatabase(context : Context) extends
 		val obj1 = "%%;%s%%".format(call)	// ;call - object
 		val obj2 = "%%)%s%%".format(call)	// )call - item
 		getPosts("message LIKE ? OR message LIKE ? OR message LIKE ?",
-			Array(start, obj1, obj2), "100")
+			Array(start, obj1, obj2), limit)
+	}
+
+	def getExportPosts(call : String) : Cursor = {
+                if (call != null)
+                        getWritableDatabase().query(Post.TABLE, Post.COLUMNS,
+                                "type in (0, 3) and message LIKE ?",
+                                Array("%s%%".format(call)),
+                                null, null, null, null)
+                else
+                        getWritableDatabase().query(Post.TABLE, Post.COLUMNS,
+                                "type in (0, 3)", null,
+                                null, null, null, null)
 	}
 
 	def getPostFilter(limit : String) : FilterQueryProvider = {

src/UIHelper.scala

@@ -6,12 +6,16 @@ import _root_.android.app.AlertDialog
 import _root_.android.content.{BroadcastReceiver, Context, DialogInterface, Intent, IntentFilter}
 import _root_.android.content.res.Configuration
 import _root_.android.net.Uri
-import _root_.android.os.Build
+import _root_.android.os.{Build, Environment}
 import _root_.android.util.Log
 import _root_.android.view.{ContextMenu, LayoutInflater, Menu, MenuItem, View, WindowManager}
 import _root_.android.widget.AdapterView.AdapterContextMenuInfo
 import _root_.android.widget.{EditText, Toast}
 
+import java.io.{PrintWriter, File}
+import java.text.SimpleDateFormat
+import java.util.Date
+
 trait UIHelper extends Activity
 		with LoadingIndicator
 		with DialogInterface.OnClickListener 
@@ -266,6 +270,10 @@ trait UIHelper extends Activity
 		case R.id.preferences =>
 			startActivity(new Intent(this, classOf[PrefsAct]));
 			true
+		case R.id.export =>
+			onStartLoading()
+			new LogExporter(StorageDatabase.open(this), null).execute()
+			true
 		case R.id.clear =>
 			onStartLoading()
 			new StorageCleaner(StorageDatabase.open(this)).execute()
@@ -352,6 +360,7 @@ trait UIHelper extends Activity
 	}
 
 	def callsignAction(id : Int, targetcall : String) : Boolean = {
+		val basecall = targetcall.split("[- ]+")(0)
 		id match {
 		case R.id.details =>
 			openDetails(targetcall)
@@ -380,10 +389,13 @@ trait UIHelper extends Activity
 				Uri.parse(url)))
 			true
 		case R.id.qrzcom =>
-			val url = "http://qrz.com/db/%s".format(targetcall.split("[- ]+")(0))
+			val url = "http://qrz.com/db/%s".format(basecall)
 			startActivity(new Intent(Intent.ACTION_VIEW,
 				Uri.parse(url)))
 			true
+		case R.id.sta_export =>
+			new LogExporter(StorageDatabase.open(this), basecall).execute()
+			true
 		case _ =>
 			false
 		}
@@ -414,6 +426,49 @@ trait UIHelper extends Activity
 			sendBroadcast(AprsService.MSG_PRIV_INTENT)
 		}
 	}
+	class LogExporter(storage : StorageDatabase, call : String) extends MyAsyncTask[Unit, String] {
+		val filename = "aprsdroid-%s.log".format(new SimpleDateFormat("yyyyMMdd-HHmm").format(new Date()))
+		val file = new File(Environment.getExternalStorageDirectory(), filename)
+
+		override def doInBackground1(params : Array[String]) : String = {
+			import StorageDatabase.Post._
+			Log.d("LogExporter", "saving " + filename + " for callsign " + call)
+			val c = storage.getExportPosts(call)
+			if (c.getCount() == 0) {
+				return getString(R.string.export_empty)
+			}
+			try {
+				val fo = new PrintWriter(file)
+				while (c.moveToNext()) {
+					val ts = c.getString(COLUMN_TSS)
+					val tpe = c.getInt(COLUMN_TYPE)
+					val packet = c.getString(COLUMN_MESSAGE)
+					fo.print(ts)
+					fo.print("\t")
+					fo.print(if (tpe == TYPE_INCMG) "RX" else "TX")
+					fo.print("\t")
+					fo.println(packet)
+				}
+				fo.close()
+				return null
+			} catch {
+			case e : Exception => return e.getMessage()
+			} finally {
+				c.close()
+			}
+		}
+		override def onPostExecute(error : String) {
+			Log.d("LogExporter", "saving " + filename + " done: " + error)
+			onStopLoading()
+			if (error != null)
+				Toast.makeText(UIHelper.this, error, Toast.LENGTH_SHORT).show()
+			else startActivity(Intent.createChooser(new Intent(Intent.ACTION_SEND)
+					.setType("text/plain")
+					.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file))
+					.putExtra(Intent.EXTRA_SUBJECT, filename),
+				file.toString()))
+		}
+	}
 }
 
 class UrlOpener(ctx : Context, url : String) extends DialogInterface.OnClickListener {