From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 Bachelor/ERGO/TierheimVerw/thv/ChgUserDlg.java | 144 +++++++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 Bachelor/ERGO/TierheimVerw/thv/ChgUserDlg.java

(limited to 'Bachelor/ERGO/TierheimVerw/thv/ChgUserDlg.java')

diff --git a/Bachelor/ERGO/TierheimVerw/thv/ChgUserDlg.java b/Bachelor/ERGO/TierheimVerw/thv/ChgUserDlg.java
new file mode 100644
index 0000000..482a2c4
--- /dev/null
+++ b/Bachelor/ERGO/TierheimVerw/thv/ChgUserDlg.java
@@ -0,0 +1,144 @@
+import java.io.*;
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.swing.event.*;
+import javax.swing.table.*;
+
+/**
+ * @author Andreas Spirka, Sven Eisenhauer
+ * Dialog zum Ändern und Löschen von Benutzern
+ */
+public class ChgUserDlg extends AbstractMyJDlg implements ListSelectionListener
+{
+	Container c;
+	JPanel contentPane;
+	BorderLayout borderLayout1 = new BorderLayout();
+	int counter = 0;
+	
+	UserCon users = new UserCon();    // Objekt-Container und TableModel
+	JScrollPane scrollPane = new JScrollPane();  // Scroll-Pane
+	JTable table = new JTable();       // Tabelle
+	
+	JPanel jPanelSouth = new JPanel();
+	JLabel jLabelSelection = new JLabel();
+	JTextField jTextFieldAuswahl = new JTextField();
+	String fName = new String ("user.dat");
+	JButton delB = new JButton("Löschen");
+	JButton saveB = new JButton("Speichern");
+	JButton abbrB = new JButton("Abbrechen");
+	JComboBox comboBox = new JComboBox(User.sRole);
+	JTextField tf = new JTextField();
+	DefaultCellEditor cellEd = new DefaultCellEditor(tf);
+	DefaultCellEditor comboEd = new DefaultCellEditor(comboBox);
+	
+	ChgUserDlg() {
+		ButtonListener2 bl = new ButtonListener2(this);
+		c = getContentPane();
+		setModal(true);
+		c.setLayout(borderLayout1);
+		setSize(new Dimension(600, 300));
+		setTitle("Benutzer ändern / löschen");
+		jPanelSouth.setBorder(BorderFactory.createEtchedBorder());
+		jLabelSelection.setText("Auswahl");
+		jTextFieldAuswahl.setText("kein Benutzer ausgewählt");
+		
+		
+		c.add( scrollPane, java.awt.BorderLayout.CENTER );
+		scrollPane.setVerticalScrollBarPolicy( JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED );
+		scrollPane.getViewport().add( table );  // Table in Scroll-Pane
+		c.add(jPanelSouth, java.awt.BorderLayout.SOUTH);
+		jPanelSouth.add(delB);
+		jPanelSouth.add(saveB);
+		jPanelSouth.add(abbrB);
+		delB.addActionListener(bl);
+		abbrB.addActionListener(bl);
+		saveB.addActionListener(bl);
+		saveB.setActionCommand("Speichern");
+		delB.setActionCommand("Löschen");
+		abbrB.setActionCommand("Abbrechen");
+		
+		try {
+			FileInputStream fis = new FileInputStream(fName);
+			ObjectInputStream ois = new ObjectInputStream(fis);
+			users = (UserCon) ois.readObject();
+			ois.close();
+			fis.close();
+		} catch (Exception exception) { exception.printStackTrace(); }
+		table.setModel( users );   // Model für Tabelle setzen
+		// Einzelauswahl
+		table.setSelectionMode( ListSelectionModel.SINGLE_SELECTION );
+		ListSelectionModel lsm = table.getSelectionModel();
+		lsm.addListSelectionListener( this );   // TableModelListener regitrieren
+		table.setCellSelectionEnabled(true);
+		TableColumn loginColumn = table.getColumnModel().getColumn(0);
+		TableColumn pwColumn = table.getColumnModel().getColumn(1);
+		TableColumn fullNamColumn = table.getColumnModel().getColumn(2);
+		TableColumn uidColumn = table.getColumnModel().getColumn(3);
+		TableColumn roleColumn = table.getColumnModel().getColumn(4);
+		loginColumn.setCellEditor(cellEd);
+		pwColumn.setCellEditor(cellEd);
+		fullNamColumn.setCellEditor(cellEd);
+		uidColumn.setCellEditor(cellEd);
+		roleColumn.setCellEditor(comboEd);
+		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+		Dimension frameSize = getSize();
+		setLocation((screenSize.width/2)-(frameSize.width/2),(screenSize.height/2)-(frameSize.height/2));
+		setVisible(true);
+	}
+	
+	/* (non-Javadoc)
+	 * @see AbstractMyJDlg#buttonActionPerformed(java.awt.event.ActionEvent)
+	 */
+	public void buttonActionPerformed(ActionEvent e) {
+		if (e.getActionCommand().equals("Abbrechen"))
+		{
+			setVisible(false);
+		}
+		else if(e.getActionCommand().equals("Löschen"))
+		{
+			table.removeEditor();
+			users.removeUser((User) users.elementAt(table.getSelectedRow()));
+			try {
+				FileOutputStream fos = new FileOutputStream(fName);
+				ObjectOutputStream oos = new ObjectOutputStream(fos);
+				oos.writeObject(users);
+				oos.close();
+				fos.close();
+			} catch (Exception exception) { exception.printStackTrace(); }
+		}
+		else if(e.getActionCommand().equals("Speichern"))
+		{
+			if (table.isEditing()) {
+				table.getCellEditor().stopCellEditing();
+			}
+			table.removeEditor();
+			table.clearSelection();
+			try {
+				FileOutputStream fos = new FileOutputStream(fName);
+				ObjectOutputStream oos = new ObjectOutputStream(fos);
+				oos.writeObject(users);
+				oos.close();
+				fos.close();
+			} catch (Exception exception) { exception.printStackTrace(); }
+		}
+	}
+	/* (non-Javadoc)
+	 * @see javax.swing.event.ListSelectionListener#valueChanged(javax.swing.event.ListSelectionEvent)
+	 */
+	public void valueChanged( ListSelectionEvent e )
+	{
+		/* in der Hörsaalübung kam es hier zum Crash, wenn eine Zeile
+		 * ausgewählt war und eine neue hinzugefügt wurde. In diesem
+		 * Fall ist die erste und zuletzt ausgewählte Zeile identisch.
+		 * Das wir hier abgefangen.
+		 */
+		/*if ( e.getFirstIndex() == e.getLastIndex() ) {
+		 jTextFieldAuswahl.setText( "kein Benutzer ausgewählt");
+		 return;
+		 }
+		 String login = (String) table.getValueAt(table.getSelectedRow(), 0);
+		 String nam = (String) table.getValueAt(table.getSelectedRow(), 2);
+		 this.jTextFieldAuswahl.setText( login + " (" + nam + ")" );*/
+	}
+}
\ No newline at end of file
-- 
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