Main activity enabling the drawing of cuneiform characters. More...

Inheritance diagram for CuneiPainter:

Collaboration diagram for CuneiPainter:

Public Member Functions
boolean	onCreateOptionsMenu (Menu menu)

boolean	onOptionsItemSelected (MenuItem item)

boolean	onKeyLongPress (int keyCode, KeyEvent event)

void	onBackPressed ()

Protected Member Functions
void	onCreate (Bundle savedInstanceState)

Package Functions
void	setStatusText ()
	Sets the status text indicating the four strokes. More...

void	lookUp ()
	Looks up corresponding characters after canvas input. More...

Private Member Functions
void	clear ()
	Clears the canvas and resets search parameters. More...

String	loadJSONFromAsset ()
	Loads character descriptions from the JSON set. More...

void	jsonToMap (String t) throws JSONException
	Maps the character json representation to an internal data structure. More...

Private Attributes
Map< String, List< Tuple < String, String > > >	lookUpMap

TextView	statusText

DrawingCanvas	mv

ListView	resultList

Detailed Description

Main activity enabling the drawing of cuneiform characters.

Member Function Documentation

void clear ( )

private

Clears the canvas and resets search parameters.

                         {
         this.mv.a=0;
         this.mv.b=0;
         this.mv.c=0;
         this.mv.d=0;
         this.mv.s=0;
         this.mv.down=0;
         this.mv.up=0;
         this.mv.left=0;
         this.mv.right=0;
         this.mv.paleocodage="";
         this.resultList.setAdapter(new ResultAdapter(this,new LinkedList<Tuple<String,String>>()));
         this.setStatusText();
     }

void jsonToMap ( String t ) throws JSONException

private

Maps the character json representation to an internal data structure.

Parameters

t	the json string

Exceptions

JSONException if the JSON file is errornous

                                                           {
         System.out.println("T: "+t);
         JSONObject jObject = new JSONObject(t);
         Iterator<?> keys = jObject.keys();
 
         while( keys.hasNext() ){
             String key = (String)keys.next();
             String value = jObject.getString(key);
             JSONArray jvalue = new JSONArray(value);
             this.lookUpMap.put(key,new LinkedList<Tuple<String, String>>());
             for (int i = 0; i < jvalue.length(); i++) {
                 JSONArray row = jvalue.getJSONArray(i);
                 this.lookUpMap.get(key).add(new Tuple<>(row.get(0).toString(),row.get(1).toString()));
             }
         }
     }

String loadJSONFromAsset ( )

private

Loads character descriptions from the JSON set.

Returns: the json to be returned.

                                        {
         String json = null;
         try {
 
             InputStream is = getAssets().open("strokes_gott.json");
 
             int size = is.available();
 
             byte[] buffer = new byte[size];
 
             is.read(buffer);
 
             is.close();
 
             json = new String(buffer, "UTF-8");
 
 
         } catch (IOException ex) {
             ex.printStackTrace();
             return null;
         }
         return json;
 
     }

void lookUp ( )

package

Looks up corresponding characters after canvas input.

References DrawingCanvas.a, DrawingCanvas.b, DrawingCanvas.c, DrawingCanvas.d, CuneiPainter.lookUpMap, and CuneiPainter.mv.

                  {
         StringBuilder queryStr=new StringBuilder();
         if(this.mv.a==0 && this.mv.b==0 && this.mv.c==0 && this.mv.d==0){
             this.resultList.setAdapter(new ResultAdapter(this,new LinkedList<Tuple<String,String>>()));
         }else {
             if (this.mv.a > 0) {
                 queryStr.append("a").append(this.mv.a);
             }
             if (this.mv.b > 0) {
                 queryStr.append("b").append(this.mv.b);
             }
             if (this.mv.c > 0) {
                 queryStr.append("c").append(this.mv.c);
             }
             if (this.mv.d > 0) {
                 queryStr.append("d").append(this.mv.d);
             }
             this.resultList.setAdapter(new ResultAdapter(this, this.lookUpMap.get(queryStr.toString()
             )));
         }
     }

void onBackPressed ( )

                                 {
         this.mv.undoPath();
 
     }

void onCreate ( Bundle savedInstanceState )

protected

References CuneiPainter.statusText.

                                                        {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);
         this.lookUpMap=new TreeMap<>();
         statusText = findViewById(R.id.startView);
         this.mv = findViewById(R.id.imageView);
         this.resultList = findViewById(R.id.groupListView);
         try {
             this.jsonToMap(this.loadJSONFromAsset());
         } catch (JSONException e) {
             e.printStackTrace();
         }
         this.setStatusText();
 
         mv.setDrawingCacheEnabled(true);
     }

boolean onCreateOptionsMenu ( Menu menu )

     {
         MenuInflater menuInflater = getMenuInflater();
         menuInflater.inflate(R.menu.menu, menu);
         return true;
     }

boolean onKeyLongPress	(	int	keyCode,
		KeyEvent	event
	)

                                                                {
         switch(keyCode){
             case KeyEvent.KEYCODE_BACK:
                 this.mv.clearCanvas();
                 this.clear();
                 break;
         }
         return true;
     }

boolean onOptionsItemSelected ( MenuItem item )

     {
 
         switch (item.getItemId())
         {
             case R.id.menu_exit:
                 this.finish();
                 return true;
             case R.id.menu_about:
 
         final Dialog dialog = new Dialog(this); // context, this etc.
         dialog.setContentView(R.layout.dialog);
         dialog.setTitle("About CuneiPainter...");
         TextView viewText = dialog.findViewById(R.id.dialog_info);
         viewText.setText(Html.fromHtml("<html>Written by Timo Homburg<br>Licensed under GPLv3<br>Includes the Akkadian Font provided by <a href=\"http://users.teilar.gr/~g1951d/\">George Douros</a></html>"));
         Button button=dialog.findViewById(R.id.dialog_ok);
         button.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(final View view) {
                 dialog.cancel();
             }
         });
         dialog.show();
                 break;
 
         }
         return true;
     }

void setStatusText ( )

package

Sets the status text indicating the four strokes.

                         {
     this.statusText.setText("A: "+this.mv.a+" B: "+this.mv.b+" C: "+this.mv.c+" D: "+this.mv.d+" Strokes: "+this.mv.s+" Paleocodage: "+this.mv.paleocodage);
     }