Erste Arbeiten an einer PDF-Export-Funktion.

.classpath

@@ -6,5 +6,6 @@
 	<classpathentry kind="lib" path="lib/mysql-connector-java-5.1.32-bin.jar"/>
 	<classpathentry kind="lib" path="lib/sqlite-jdbc-3.7.2.jar"/>
 	<classpathentry kind="lib" path="lib/swingx-all-1.6.4.jar"/>
+	<classpathentry kind="lib" path="lib/pdfbox-app-1.8.7.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

README.md

@@ -12,4 +12,7 @@ This software uses the Oracle MySQL Java Connector (http://dev.mysql.com/downloa
 
 ### Tango Desktop Project
 This software also uses icons provided by the Tango Desktop Project (http://tango.freedesktop.org/).
-License will follow!
+License will follow!
+
+### Apache PDFBox
+This software uses the Apache PDFBox (https://pdfbox.apache.org/) package which is published under Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0);

src/de/katho/kBorrow/controller/NewLendingController.java

@@ -1,12 +1,23 @@
 package de.katho.kBorrow.controller;
 
+import org.apache.pdfbox.exceptions.COSVisitorException;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.edit.PDPageContentStream;
+import org.apache.pdfbox.pdmodel.font.PDFont;
+import org.apache.pdfbox.pdmodel.font.PDType1Font;
+
+import java.io.IOException;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
 
+import de.katho.kBorrow.data.KArticle;
 import de.katho.kBorrow.data.KLender;
+import de.katho.kBorrow.data.KLending;
+import de.katho.kBorrow.data.KUser;
 import de.katho.kBorrow.db.DbConnector;
 import de.katho.kBorrow.models.ArticleTableModel;
 import de.katho.kBorrow.models.FreeArticleTableModel;
@@ -62,16 +73,51 @@ public class NewLendingController {
 			KLender lender = lenders.get(0);
 			int uId = userListModel.getIdByFullname(pUsername);
 			DateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy");
-			int result = dbCon.createNewLending(pArtId, uId, lender.getId(), pStartDate, dateFormat.format(pEstEndDate));
 			
-			if(result == 0){
+			int[] result = dbCon.createNewLending(pArtId, uId, lender.getId(), pStartDate, dateFormat.format(pEstEndDate));
+			
+			if(result[0] == 0){
 				freeArticleModel.updateModel();
 				articleTableModel.updateModel();
 				lendingTableModel.updateModel();
-				return result;
+				createPdfFile(result[1]);
+				
+				return result[0];
 			}
-			else return result;
+			else return result[0];
 		}
 		return 4;
 	}
+	
+	
+	// TODO http://www.coderanch.com/how-to/java/PDFBoxExample
+	private void createPdfFile(int pLendingId){
+		KLending lending = lendingTableModel.getLendingById(pLendingId);
+		KArticle article = articleTableModel.getArticleById(lending.getArticleId());
+		KUser user = userListModel.getUserById(lending.getUserId());
+		KLender lender = lenderModel.getLenderById(lending.getLenderId());
+		
+		PDDocument doc = new PDDocument();
+		PDPage page = new PDPage();
+		doc.addPage(page);
+		
+		PDFont font = PDType1Font.HELVETICA;
+		try {
+			PDPageContentStream contentStream = new PDPageContentStream(doc, page);
+			contentStream.beginText();
+			contentStream.setFont(font, 12);
+			contentStream.moveTextPositionByAmount(100, 700);
+			contentStream.drawString("hallo");
+			contentStream.drawString("hallo2");
+			contentStream.endText();
+			contentStream.close();
+			
+			doc.save("test.pdf");
+			doc.close();
+		} catch (IOException | COSVisitorException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		
+	}
 }

src/de/katho/kBorrow/db/DbConnector.java

@@ -19,7 +19,7 @@ public interface DbConnector {
 	public int editArticle(int pId, String pName, String pDesc);
 	public ArrayList<KArticle> getFreeArticleList();
 	public ArrayList<KLender> getLenderList();
-	public int createNewLending(int pArtId, int pUId, int pLId, String pStartDate, String pEstEndDate);
+	public int[] createNewLending(int pArtId, int pUId, int pLId, String pStartDate, String pEstEndDate);
 	public int createNewLender(String pLName, String pLSurname, String pLSN);
 	public ArrayList<KLending> getActiveLendingList();
 	public int returnLending(int lendingId, int artId, String string);

src/de/katho/kBorrow/db/SqlConnector.java

@@ -75,10 +75,10 @@ public class SqlConnector implements DbConnector{
 	}
 
 	@Override
-	public int createNewLending(int pArtId, int pUId, int pLId,
+	public int[] createNewLending(int pArtId, int pUId, int pLId,
 			String pStartDate, String pEstEndDate) {
 		// TODO Auto-generated method stub
-		return 0;
+		return new int[2];
 	}
 
 	@Override

src/de/katho/kBorrow/db/SqliteConnector.java

@@ -430,25 +430,40 @@ public class SqliteConnector implements DbConnector {
 	}
 
 	/**
+	 * Erstellt eine neue Ausleihe.
 	 * 
-	 * @return	Status-Code:
-	 * 			0:		Erfolg
-	 * 			1:		SQL-Fehler
+	 * 
+	 * @return	R<>ckgabewert ist ein Array mit zwei Werten.
+	 * 
+	 * 			Index		0:	Enth<74>lt den R<>ckgabestatus:
+	 * 			- Status 	0:	Alles in Ordnung
+	 * 			- Status	1:	SQL-Fehler
+	 * 
+	 * 			Index 1: Enth<74>lt die ID der gerade erzeugten Tabellenzeile
 	 */
-	public int createNewLending(int pArtId, int pUId, int pLId, String pStartDate, String pEstEndDate) {
+	public int[] createNewLending(int pArtId, int pUId, int pLId, String pStartDate, String pEstEndDate) {
+		int[] result = new int[2];
+		
 		try{
 			Statement st = connection.createStatement();
 			String query = "INSERT INTO lending (article_id, user_id, lender_id, start_date, expected_end_date ) "
-					+ "VALUES ("+pArtId+", "+pUId+", "+pLId+", '"+pStartDate+"', '"+pEstEndDate+"');"
+							+ "VALUES ("+pArtId+", "+pUId+", "+pLId+", '"+pStartDate+"', '"+pEstEndDate+"');"
 							+ "UPDATE article SET is_free = 0 WHERE id = "+pArtId+";";
 			
 			st.executeUpdate(query);
 			
-			return 0;
+			query = "SELECT id FROM lending ORDER BY id DESC LIMIT 1;";
+			
+			ResultSet rs = st.executeQuery(query);
+			
+			result[1] = rs.getInt("id");
+			result[0] = 0;
+			
+			return result;
 		}
 		catch(SQLException e){
 			e.printStackTrace();
-			return 1;
+			return new int[]{1,0};
 		}
 	}
 

src/de/katho/kBorrow/models/UserListModel.java

@@ -72,6 +72,13 @@ public class UserListModel extends AbstractListModel<String> implements ComboBox
 		return -1;
 	}
 	
+	public KUser getUserById(int pId){
+		for (KUser elem : data){
+			if(elem.getId() == pId) return elem;
+		}
+		return null;
+	}
+	
 	
 }