f@0: /*  
f@0: accessPD - An accessible PD patches editor
f@0:  
f@0: Copyright (C) 2014  Fiore Martin
f@0: 
f@0: This program is free software: you can redistribute it and/or modify
f@0: it under the terms of the GNU General Public License as published by
f@0: the Free Software Foundation, either version 3 of the License, or
f@0: (at your option) any later version.
f@0: 
f@0: This program is distributed in the hope that it will be useful,
f@0: but WITHOUT ANY WARRANTY; without even the implied warranty of
f@0: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
f@0: GNU General Public License for more details.
f@0: 
f@0: You should have received a copy of the GNU General Public License
f@0: along with this program.  If not, see <http://www.gnu.org/licenses/>.
f@0: */
f@1: package uk.ac.qmul.eecs.ccmi.pdsupport;
f@1: 
f@1: import java.io.IOException;
f@1: import java.io.InputStream;
f@1: import java.io.OutputStream;
f@1: import java.io.OutputStreamWriter;
f@1: import java.io.PrintWriter;
f@1: import java.nio.charset.Charset;
f@1: 
f@1: import uk.ac.qmul.eecs.ccmi.gui.Diagram;
f@1: import uk.ac.qmul.eecs.ccmi.gui.Edge;
f@1: import uk.ac.qmul.eecs.ccmi.gui.Node;
f@1: 
f@0: public class PdPersistenceManager {
f@0: 	private static PdPersistenceManager singleton;
f@0: 	public final static String PD_EXTENSION = ".pd";
f@0: 	
f@0: 	public static PdPersistenceManager getInstance(){
f@0: 		if(singleton == null){
f@0: 			singleton = new PdPersistenceManager();
f@0: 		}
f@0: 		
f@0: 		return singleton;
f@0: 	}
f@0: 	
f@0: 	public void encodeDiagramInstance(Diagram diagram, String newName, OutputStream out){
f@0: 		OutputStreamWriter writer = new OutputStreamWriter(out, Charset.forName("US-ASCII"));
f@0: 		
f@0: 		PrintWriter printWriter = new PrintWriter(writer);
f@0: 		
f@0: 		printWriter.print("#N canvas 0 0 550 400 10;\r\n");
f@0: 		
f@0: 		
f@0: 		int index = 0;
f@0: 		for(Node n : diagram.getCollectionModel().getNodes()){
f@0: 			PdObject pdObj = (PdObject)n;
f@0: 			
f@0: 			pdObj.setOrderNumber(index++);
f@0: 			printWriter.print(pdObj.toPdFile()+";\r\n");
f@0: 		}
f@0: 		
f@0: 		for(Edge e : diagram.getCollectionModel().getEdges()){
f@0: 			PdConnection pdCon = (PdConnection)e;
f@0: 			printWriter.print(pdCon.toPdFile()+";\r\n");
f@0: 		}
f@0: 		
f@0: 		printWriter.close();
f@0: 	}
f@0: 
f@0: 	public Diagram decodeDiagramInstance(InputStream in) throws IOException {
f@0: 		return null;
f@0: 	}
f@0: 	
f@0: 	public void encodeDiagramInstance(Diagram diagram, OutputStream out) throws IOException{
f@0: 		encodeDiagramInstance(diagram, diagram.getName(),out);
f@0: 	}
f@0: 	
f@0: 	
f@0: 	
f@0: }