Einen Fehler korrigiert, der verhindert, dass das ArticleTableModel

aktualisiert wird, wenn neue Ausleihen erzeugt oder bestehende Ausleihen
zurückgegeben werden. fixed #5.

src/de/katho/kBorrow/Util.java

@@ -3,9 +3,6 @@ import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
-import de.katho.kBorrow.db.DbConnector;
-
-
 public class Util {
 	public static String getCurrentDate(){
 		DateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy");

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

@@ -60,20 +60,23 @@ public class ArticleController {
 	 * L<>scht den Artikel mit der gegebenen ID in der Datenbank und aktualisiert die Tabelle.
 	 * 
 	 * @param pRow	Row des Artikels, der gel<65>scht werden soll.
-	 * @return		true, wenn der Artikel erfolgreich gel<65>scht wurde. false, wenn ein Fehler aufgetreten ist.
+	 * @return		0: Artikel konnte erfolgreich gel<65>scht werden
+	 * 				1: Artikel konnte nicht gel<65>scht werden, unbekannter Fehler (SQL-Fehler)
+	 * 				2: Artikel konnte nicht gel<65>scht werden, weil er im Moment verliehen ist.
 	 */
-	public boolean deleteArticle(int pRow) {
+	public int deleteArticle(int pRow) {
+		
+		if(!articleTableModel.getArticleByRow(pRow).getIsFree()) return 2;
 		
 		int id = articleTableModel.getArticleByRow(pRow).getId();
+		int returnCode = dbCon.deleteArticle(id);
 		
-		if(this.dbCon.deleteArticle(id)){
+		if(returnCode == 0){
 			articleTableModel.updateModel();
 			freeArticleTableModel.updateModel();
-			
-			return true;
 		}
 		
-		return false;
+		return returnCode;
 	}
 
 }

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

@@ -5,6 +5,7 @@ import java.util.HashMap;
 import de.katho.kBorrow.Util;
 import de.katho.kBorrow.data.KLending;
 import de.katho.kBorrow.db.DbConnector;
+import de.katho.kBorrow.models.ArticleTableModel;
 import de.katho.kBorrow.models.FreeArticleTableModel;
 import de.katho.kBorrow.models.LendingTableModel;
 
@@ -12,12 +13,14 @@ public class ManageLendingsController {
 
 	private DbConnector dbCon;
 	private FreeArticleTableModel freeArticleTableModel;
+	private ArticleTableModel articleTableModel;
 	private LendingTableModel lendingTableModel;
 	
 	public ManageLendingsController(DbConnector pDbCon, HashMap<String, Object> pModels){
 		dbCon = pDbCon;
 		
 		freeArticleTableModel = (FreeArticleTableModel)pModels.get("freearticletablemodel");
+		articleTableModel = (ArticleTableModel)pModels.get("articletablemodel");
 		lendingTableModel = (LendingTableModel)pModels.get("lendingtablemodel");
 	}
 	
@@ -30,6 +33,7 @@ public class ManageLendingsController {
 		dbCon.returnLending(lendingId, artId, Util.getCurrentDate());
 		
 		freeArticleTableModel.updateModel();
+		articleTableModel.updateModel();
 		lendingTableModel.updateModel();
 	}
 

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

@@ -8,6 +8,7 @@ import java.util.HashMap;
 
 import de.katho.kBorrow.data.KLender;
 import de.katho.kBorrow.db.DbConnector;
+import de.katho.kBorrow.models.ArticleTableModel;
 import de.katho.kBorrow.models.FreeArticleTableModel;
 import de.katho.kBorrow.models.LenderModel;
 import de.katho.kBorrow.models.LendingTableModel;
@@ -19,12 +20,14 @@ public class NewLendingController {
 	private LenderModel lenderModel;
 	private FreeArticleTableModel freeArticleModel;
 	private LendingTableModel lendingTableModel;
+	private ArticleTableModel articleTableModel;
 	
 	public NewLendingController(DbConnector pDbCon, HashMap<String, Object> pModels){
 		dbCon = pDbCon;
 		userListModel = (UserListModel)pModels.get("userlistmodel");
 		lenderModel = (LenderModel)pModels.get("lendermodel");
 		freeArticleModel = (FreeArticleTableModel)pModels.get("freearticletablemodel");
+		articleTableModel = (ArticleTableModel)pModels.get("articletablemodel");
 		lendingTableModel = (LendingTableModel)pModels.get("lendingtablemodel");
 	}
 	
@@ -63,6 +66,7 @@ public class NewLendingController {
 			
 			if(result == 0){
 				freeArticleModel.updateModel();
+				articleTableModel.updateModel();
 				lendingTableModel.updateModel();
 				return result;
 			}

src/de/katho/kBorrow/data/KArticle.java

@@ -4,11 +4,13 @@ public class KArticle {
 	private int id;
 	private String name;
 	private String description;
+	private boolean isFree;
 
-	public KArticle(int pId, String pName, String pDesc) {
+	public KArticle(int pId, String pName, boolean pFree, String pDesc) {
 		this.id = pId;
 		this.name = pName;
 		this.description = pDesc;
+		isFree = pFree;
 	}
 
 	public int getId() {
@@ -23,6 +25,10 @@ public class KArticle {
 		return this.description;
 	}
 	
+	public boolean getIsFree(){
+		return isFree;
+	}
+	
 	public void setName(String pName){
 		this.name = pName;
 	}
@@ -31,4 +37,8 @@ public class KArticle {
 		this.description = pDesc;
 	}
 	
+	public void setIsFree(boolean pFree){
+		isFree = pFree;
+	}
+
 }

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

@@ -15,7 +15,7 @@ public interface DbConnector {
 	public int editUser(int pId, String pName, String pSurname);
 	public ArrayList<KArticle> getArticleList();
 	public int createArticle(String pName, String pDesc);
-	public boolean deleteArticle(int id);
+	public int deleteArticle(int id);
 	public int editArticle(int pId, String pName, String pDesc);
 	public ArrayList<KArticle> getFreeArticleList();
 	public ArrayList<KLender> getLenderList();
@@ -23,4 +23,5 @@ public interface DbConnector {
 	public int createNewLender(String pLName, String pLSurname, String pLSN);
 	public ArrayList<KLending> getActiveLendingList();
 	public int returnLending(int lendingId, int artId, String string);
+	public ArrayList<KLending> getLendingListForArticle(int pArtId);
 }

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

@@ -51,9 +51,9 @@ public class SqlConnector implements DbConnector{
 	}
 
 	@Override
-	public boolean deleteArticle(int id) {
+	public int deleteArticle(int id) {
 		// TODO Auto-generated method stub
-		return false;
+		return 0;
 	}
 
 	@Override
@@ -99,4 +99,10 @@ public class SqlConnector implements DbConnector{
 		return 0;
 	}
 
+	@Override
+	public ArrayList<KLending> getLendingListForArticle(int pArtId) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+	
 }

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

@@ -211,11 +211,11 @@ public class SqliteConnector implements DbConnector {
 		
 		try {
 			Statement st = this.connection.createStatement();
-			String query = "SELECT id, name, description FROM article";
+			String query = "SELECT id, name, is_free, description FROM article";
 			ResultSet rs = st.executeQuery(query);
 			
 			while (rs.next()){
-				artArr.add(new KArticle(rs.getInt("id"), rs.getString("name"), rs.getString("description")));
+				artArr.add(new KArticle(rs.getInt("id"), rs.getString("name"), rs.getBoolean("is_free"), rs.getString("description")));
 			}
 			
 			return artArr;
@@ -231,11 +231,11 @@ public class SqliteConnector implements DbConnector {
 		
 		try {
 			Statement st = this.connection.createStatement();
-			String query = "SELECT id, name, description FROM article WHERE is_free = 1;";
+			String query = "SELECT id, name, is_free, description FROM article WHERE is_free = 1;";
 			ResultSet rs = st.executeQuery(query);
 			
 			while (rs.next()){
-				artArr.add(new KArticle(rs.getInt("id"), rs.getString("name"), rs.getString("description")));
+				artArr.add(new KArticle(rs.getInt("id"), rs.getString("name"), rs.getBoolean("is_free"), rs.getString("description")));
 			}
 			
 			return artArr;
@@ -287,6 +287,27 @@ public class SqliteConnector implements DbConnector {
 		}
 	}
 	
+	public ArrayList<KLending> getLendingListForArticle(int pArtId){
+		ArrayList<KLending> lendingArr = new ArrayList<KLending>();
+		
+		try{
+			Statement st = connection.createStatement();
+			String query = "SELECT id, user_id, lender_id, start_date, expected_end_date, end_date FROM lending WHERE article_id = '"+pArtId+"' ORDER BY id DESC";
+			
+			ResultSet rs = st.executeQuery(query);
+			
+			while(rs.next()){
+				lendingArr.add(new KLending(rs.getInt("id"), rs.getInt("user_id"), rs.getInt("lender_id"), pArtId, rs.getString("start_date"), rs.getString("expected_end_date"), rs.getString("end_date")));
+			}
+			
+			return lendingArr;
+		}
+		catch(SQLException e){
+			e.printStackTrace();
+			return lendingArr;
+		}
+	}
+
 	/**
 	 * 
 	 * @return  0: Benutzer erfolgreich erzeugt
@@ -357,18 +378,18 @@ public class SqliteConnector implements DbConnector {
 		}
 	}
 
-	public boolean deleteArticle(int id) {
+	public int deleteArticle(int id) {
 		try {
-			Statement st = this.connection.createStatement();
+			Statement st = connection.createStatement();
 			String query = "DELETE FROM article WHERE id = '"+id+"'";
 			
 			st.executeUpdate(query);
 			
-			return true;
+			return 0;
 		}
 		catch (SQLException e){
 			e.printStackTrace();
-			return false;
+			return 1;
 		}
 	}
 

src/de/katho/kBorrow/gui/ArticleInspectFrame.java

@@ -0,0 +1,93 @@
+package de.katho.kBorrow.gui;
+
+import java.util.HashMap;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.border.EmptyBorder;
+import javax.swing.BorderFactory;
+import javax.swing.JScrollPane;
+import javax.swing.JLabel;
+import javax.swing.JTable;
+import javax.swing.JTextArea;
+
+import de.katho.kBorrow.data.KArticle;
+import de.katho.kBorrow.db.DbConnector;
+import de.katho.kBorrow.models.ArticleInspectTableModel;
+import de.katho.kBorrow.models.ArticleTableModel;
+
+public class ArticleInspectFrame extends JFrame {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = -8993341404926674307L;
+	private JPanel contentPane;
+	private JTable table;
+	private ArticleInspectTableModel artInsModel;
+	private ArticleTableModel articleModel;
+	private KArticle article;
+
+	/**
+	 * Create the frame.
+	 */
+	public ArticleInspectFrame(int pRow, final DbConnector dbCon, HashMap<String, Object> pModels) {
+		articleModel = (ArticleTableModel)pModels.get("articletablemodel");
+		article = articleModel.getArticleByRow(pRow);
+		
+		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+		setBounds(150, 150, 660, 541);
+		setTitle("Details: "+article.getName());
+		
+		// ContentPane
+		contentPane = new JPanel();
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		setContentPane(contentPane);
+		contentPane.setLayout(null);
+		
+		// Panel Info
+		JPanel panelInfo = new JPanel();
+		panelInfo.setBounds(0, 0, 644, 134);
+		panelInfo.setBorder(BorderFactory.createTitledBorder("Artikeldetails"));
+		
+		panelInfo.setLayout(null);
+		
+		JLabel lblNewLabel_1 = new JLabel("Artikelname:");
+		JLabel lblArticleName = new JLabel(article.getName());
+		JLabel lblNewLabel_2 = new JLabel ("Artikelbeschreibung:");
+		JTextArea taArticleDesc = new JTextArea(article.getDescription());
+		taArticleDesc.setRows(5);
+		taArticleDesc.setBorder(BorderFactory.createEtchedBorder());
+				
+		lblNewLabel_1.setBounds(10, 21, 100, 20);
+		lblNewLabel_2.setBounds(10, 47, 100, 20);
+		lblArticleName.setBounds(120, 21, 100, 20);
+		taArticleDesc.setBounds(120, 45, 250, 78);
+		taArticleDesc.setEditable(false);
+			
+		panelInfo.add(lblNewLabel_1);
+		panelInfo.add(lblNewLabel_2);
+		panelInfo.add(lblArticleName);
+		panelInfo.add(taArticleDesc);
+		
+		// Table
+		artInsModel = new ArticleInspectTableModel(pRow, dbCon, pModels);
+		table = new JTable(artInsModel);
+		table.setFillsViewportHeight(true);
+		table.setRowHeight(30);
+		table.getColumnModel().getColumn(0).setMinWidth(30);
+		table.getColumnModel().getColumn(0).setMaxWidth(30);
+		table.getColumnModel().getColumn(0).setPreferredWidth(30);
+		
+		JScrollPane scrollPane = new JScrollPane(table);
+		scrollPane.setBounds(0, 131, 644, 371);
+		scrollPane.setBorder(BorderFactory.createTitledBorder("Alle Ausleihen des Artikels \""+article.getName()+"\""));
+		
+		// Add components to ContentPane
+		contentPane.add(panelInfo);
+		contentPane.add(scrollPane);
+		
+		setVisible(true);
+	}
+
+}

src/de/katho/kBorrow/gui/ArticlePanel.java

@@ -28,6 +28,7 @@ import de.katho.kBorrow.data.KArticle;
 import de.katho.kBorrow.db.DbConnector;
 import de.katho.kBorrow.listener.ArticleDeleteTableButton;
 import de.katho.kBorrow.listener.ArticleEditTableButton;
+import de.katho.kBorrow.listener.ArticleInspectTableButton;
 import de.katho.kBorrow.models.ArticleTableModel;
 
 public class ArticlePanel extends JPanel implements ActionListener, KeyListener {
@@ -61,10 +62,11 @@ public class ArticlePanel extends JPanel implements ActionListener, KeyListener
 		articleTable.setRowHeight(30);
 		ArticleDeleteTableButton articleDeleteTableButton = new ArticleDeleteTableButton("L<EFBFBD>schen", articleTable, this, articleController);
 		ArticleEditTableButton articleEditTableButton = new ArticleEditTableButton("Bearbeiten", articleTable, this);
+		ArticleInspectTableButton articleInspectTableButton = new ArticleInspectTableButton("Details", articleTable, dbCon, pModels);
 		
-		for (int i = 3; i <= 4; i++){
+		for (int i = 3; i <= 5; i++){
-			articleTable.getColumnModel().getColumn(i).setCellEditor(i == 3 ? articleEditTableButton : articleDeleteTableButton);
+			articleTable.getColumnModel().getColumn(i).setCellEditor(i == 3 ? articleInspectTableButton : i == 4 ? articleEditTableButton : articleDeleteTableButton);
-			articleTable.getColumnModel().getColumn(i).setCellRenderer(i == 3 ? articleEditTableButton : articleDeleteTableButton);
+			articleTable.getColumnModel().getColumn(i).setCellRenderer(i == 3 ? articleInspectTableButton : i == 4 ? articleEditTableButton : articleDeleteTableButton);
 			
 			articleTable.getColumnModel().getColumn(i).setMinWidth(30);
 			articleTable.getColumnModel().getColumn(i).setMaxWidth(30);
@@ -94,7 +96,7 @@ public class ArticlePanel extends JPanel implements ActionListener, KeyListener
 		this.lblArticleStatus = new JLabel("");
 		lblName.setBounds(10, 30, 70, 20);
 		lblDescription.setBounds(10, 61, 70, 20);
-		this.lblArticleStatus.setBounds(90, 145, 250, 14);
+		this.lblArticleStatus.setBounds(90, 145, 390, 14);
 		
 		// Edit: Name-Textfield
 		this.textFieldArticleName = new JTextField();
@@ -230,7 +232,6 @@ public class ArticlePanel extends JPanel implements ActionListener, KeyListener
 		}		
 	}
 	
-	@Override
 	public void keyPressed(KeyEvent e) {
 		if(e.getKeyCode() == KeyEvent.VK_ENTER) saveButtonPressed();
 		
@@ -246,4 +247,18 @@ public class ArticlePanel extends JPanel implements ActionListener, KeyListener
 		
 	}
 	
+	public void setDeleteStatusLabel(int pCode){
+		switch(pCode){
+			case 0:
+				lblArticleStatus.setText("Artikel erfolgreich gel<65>scht.");
+				break;
+			case 1:
+				lblArticleStatus.setText("Artikel kann nicht gel<65>scht werden.");
+				break;
+			case 2:
+				lblArticleStatus.setText("Artikel kann nicht gel<65>scht werden, w<>hrend er verliehen ist.");
+				break;
+		}
+	}
+
 }

src/de/katho/kBorrow/listener/ArticleDeleteTableButton.java

@@ -33,7 +33,7 @@ public class ArticleDeleteTableButton extends TableButton {
 				
 				int row = pTable.getSelectedRow();
 				
-				pController.deleteArticle(row);		
+				pPanel.setDeleteStatusLabel(pController.deleteArticle(row));		
 				pPanel.resetModeEditArticle();
 			}
 		});

src/de/katho/kBorrow/listener/ArticleInspectTableButton.java

@@ -0,0 +1,42 @@
+package de.katho.kBorrow.listener;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.IOException;
+import java.net.URL;
+import java.util.HashMap;
+
+import javax.swing.ImageIcon;
+import javax.swing.JTable;
+
+import sun.tools.jar.Main;
+import de.katho.kBorrow.db.DbConnector;
+import de.katho.kBorrow.gui.ArticleInspectFrame;
+
+public class ArticleInspectTableButton extends TableButton {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = -2591133864537097893L;
+
+	public ArticleInspectTableButton(String pLabel, final JTable pTable, final DbConnector dbCon, final HashMap<String, Object> pModels) throws IOException {
+		super(pLabel);
+		URL url = Main.class.getResource("/icons/system-search.png");
+		ImageIcon icon = new ImageIcon(url);
+	
+		buttonE.setIcon(icon);
+		buttonR.setIcon(icon);
+		
+		buttonE.addActionListener(new ActionListener(){
+			public void actionPerformed(ActionEvent e){
+				fireEditingStopped();
+				
+				int row = pTable.getSelectedRow();
+				
+				new ArticleInspectFrame(row, dbCon, pModels);
+			}
+		});
+	}
+
+}

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

@@ -0,0 +1,93 @@
+package de.katho.kBorrow.models;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+
+import javax.swing.table.AbstractTableModel;
+
+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;
+
+public class ArticleInspectTableModel extends AbstractTableModel {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 2293157709447086998L;
+	private String[] header;
+	private ArrayList<KLending> data;
+	private DbConnector dbCon;
+	private KArticle article;
+	private ArticleTableModel articleModel;
+	private UserTableModel userModel;
+	private LenderModel lenderModel;
+	
+	
+	public ArticleInspectTableModel(int pRow, DbConnector pDbCon, HashMap<String, Object> pModels){
+		header = new String[] {"ID", "Verliehen von:", "Ausgeliehen an:", "Ausleihdatum", "Vor. R<>ckgabe", "R<EFBFBD>ckgabe"};
+		dbCon = pDbCon;
+		articleModel = (ArticleTableModel)pModels.get("articletablemodel");
+		userModel = (UserTableModel)pModels.get("usertablemodel");
+		lenderModel = (LenderModel)pModels.get("lendermodel");
+		
+		article = articleModel.getArticleByRow(pRow);
+		
+		updateModel();
+	}
+	
+	public void updateModel() {
+		data = dbCon.getLendingListForArticle(article.getId());
+		fireTableDataChanged();
+	}
+
+	public int getColumnCount() {
+		return header.length;
+	}
+	
+	public String getColumnName(int col){
+		return header[col];
+	}
+	
+	public int getRowCount() {
+		return data.size();
+	}
+
+	public boolean isCellEditable(int pRow, int pCol){
+		return false;
+	}
+	
+	public Object getValueAt(int row, int col) {
+		switch(col){
+		case 0:
+			return data.get(row).getId();
+		
+		case 1:
+			int uid = data.get(row).getUserId();
+			KUser user = userModel.getUserById(uid);
+			
+			return user.getName()+" "+user.getSurname();
+			
+		case 2:
+			int lid = data.get(row).getLenderId();
+			KLender lender = lenderModel.getLenderById(lid);
+			
+			return lender.getName()+" "+lender.getSurname()+" ("+lender.getStudentnumber()+")";
+			
+		case 3:
+			return data.get(row).getStartDate();
+			
+		case 4:
+			return data.get(row).getExpectedEndDate();
+		
+		case 5:
+			return data.get(row).getEndDate();
+			
+		default:
+			return null;
+		}
+	}
+
+}

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

@@ -18,7 +18,7 @@ public class ArticleTableModel extends AbstractTableModel {
 	protected ArrayList<KArticle> data = new ArrayList<KArticle>();
 
 	public ArticleTableModel(DbConnector pDbCon){
-		header = new String [] {"ID", "Artikelname", "Artikelbeschreibung", "", ""};
+		header = new String [] {"ID", "Artikelname", "Artikelbeschreibung", "", "", ""};
 		this.dbCon = pDbCon;
 		this.updateModel();
 	}