import java.awt.*;
import java.awt.event.*;
import java.io.FileInputStream;
import java.io.ObjectInputStream;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;

/**
 * @author Andreas Spirka, Sven Eisenhauer
 * 
 * Klasse zum Anzeigen aller Tiere
 *
 */

public class AlleTiereDlg extends AbstractMyJDlg implements ListSelectionListener,WindowListener
{
	Container c;
	JPanel contentPane;
	BorderLayout borderLayout1 = new BorderLayout();
	int counter = 0;
	User actUser=thv.getActUser();
	UserCon users;
	
	TierCon tiere=thv.getTierCon();
	JScrollPane scrollPane = new JScrollPane();  // Scroll-Pane
	JTable table = new JTable();       // Tabelle
	
	JPanel jPanelSouth = new JPanel();
	JLabel jLabelSelection = new JLabel();
	JTextField jTextFieldAuswahl = new JTextField(20);
	String fName = new String ("user.dat");
	JButton delB = new JButton("Löschen");
	JButton detailB = new JButton("Details");
	JButton saveB = new JButton("Speichern");
	JButton abbrB = new JButton("Abbrechen");
	JComboBox comboBox = new JComboBox(Tier.TIERARTEN);
	JComboBox comboBoxG = new JComboBox(Tier.GESCHLECHT);
	JComboBox comboBoxMA = new JComboBox();
	JCheckBox checkB = new JCheckBox();
	JTextField tf = new JTextField();
	JTextField editJTFint = new JTextField();
	JTextField editJTF = new JTextField();
	DefaultCellEditor cellEd = new DefaultCellEditor(editJTF);
	DefaultCellEditor cellEdint = new DefaultCellEditor(editJTFint);
	DefaultCellEditor comboEd = new DefaultCellEditor(comboBox);
	DefaultCellEditor comboEdG = new DefaultCellEditor(comboBoxG);
	DefaultCellEditor comboEDMA = new DefaultCellEditor(comboBoxMA);
	DefaultCellEditor checkBEd = new DefaultCellEditor(checkB);
	String[] UserNames;
	
	/**
	 * Konstruktor
	 */
	public AlleTiereDlg() {
		editJTFint.setInputVerifier(new IntVerifier());
		setDefaultCloseOperation( JDialog.DO_NOTHING_ON_CLOSE );
		ButtonListener2 bl = new ButtonListener2(this);
		c = getContentPane();
		c.setLayout(borderLayout1);
		setSize(new Dimension(900, 400));
		setTitle("Alle Tiere");
		jPanelSouth.setBorder(BorderFactory.createEtchedBorder());
		jLabelSelection.setText("Auswahl");
		jTextFieldAuswahl.setText("kein Tier 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(detailB);
		jPanelSouth.add(abbrB);
		delB.addActionListener(bl);
		abbrB.addActionListener(bl);
		detailB.addActionListener(bl);
		detailB.setActionCommand("detail");
		delB.setActionCommand("Löschen");
		abbrB.setActionCommand("Abbrechen");
		
		table.setModel( tiere );   // Model für Tabelle setzen
		// Einzelauswahl
		table.setSelectionMode( ListSelectionModel.SINGLE_SELECTION );
		ListSelectionModel lsm = table.getSelectionModel();
		lsm.addListSelectionListener( this );   // TableModelListener regitrieren
		table.setCellSelectionEnabled(true);
		//table.setDoubleBuffered(true);
		try {
			FileInputStream fis = new FileInputStream(fName);
			ObjectInputStream ois = new ObjectInputStream(fis);
			users = (UserCon) ois.readObject();
			ois.close();
			fis.close();
			UserNames=new String[users.size()];
			for (int i=0;i<users.size();i++)
			{
				User u2 = (User) users.elementAt(i);
				UserNames[i] = u2.getUserName();
				if (u2.getRole() != User.ROLE_GUEST)
					comboBoxMA.addItem((Object) u2.getUserName());	
			}
		} catch (Exception exception) { exception.printStackTrace(); }
		TableColumn NameColumn = table.getColumnModel().getColumn(1);
		TableColumn TierArtColumn = table.getColumnModel().getColumn(2);
		TableColumn RasseColumn = table.getColumnModel().getColumn(3);
		TableColumn farbeColumn = table.getColumnModel().getColumn(4);
		TableColumn AlterColumn = table.getColumnModel().getColumn(5);
		TableColumn GeschlColumn = table.getColumnModel().getColumn(6);
		TableColumn SonstColumn = table.getColumnModel().getColumn(8);
		TableColumn HeimEintrColumn = table.getColumnModel().getColumn(9);
		TableColumn ImpfColumn = table.getColumnModel().getColumn(10);
		TableColumn MAColumn = table.getColumnModel().getColumn(11);
		TableColumn BefColumn = table.getColumnModel().getColumn(13);
		TableColumn freigColumn = table.getColumnModel().getColumn(15);
		if (actUser.getRole() != User.ROLE_GUEST)
		{
			NameColumn.setCellEditor(cellEd);
			TierArtColumn.setCellEditor(comboEd);
			RasseColumn.setCellEditor(cellEd);
			farbeColumn.setCellEditor(cellEd);
			AlterColumn.setCellEditor(cellEdint);
			GeschlColumn.setCellEditor(comboEdG);
			SonstColumn.setCellEditor(cellEd);
			HeimEintrColumn.setCellEditor(cellEd);
			ImpfColumn.setCellEditor(cellEd);
			MAColumn.setCellEditor(comboEDMA);
			if (actUser.getRole() == User.ROLE_VET)
			{
				BefColumn.setCellEditor(cellEd);
				freigColumn.setCellEditor(checkBEd);
			}
		}
		else
		{
			table.setCellSelectionEnabled(false);
		}
		removeCols();
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		Dimension frameSize = getSize();
		setLocation((screenSize.width/2)-(frameSize.width/2),(screenSize.height/2)-(frameSize.height/2));
		setVisible(true);
	}
	/**
	 * Entfernt Spalten, die Gast nicht sehen soll
	 */
	public void removeCols()
	{
		if (actUser.getRole() == User.ROLE_GUEST)
		{
			TableColumn NameColumn = table.getColumnModel().getColumn(1);
			TableColumn TierArtColumn = table.getColumnModel().getColumn(2);
			TableColumn RasseColumn = table.getColumnModel().getColumn(3);
			TableColumn farbeColumn = table.getColumnModel().getColumn(4);
			TableColumn AlterColumn = table.getColumnModel().getColumn(5);
			TableColumn GeschlColumn = table.getColumnModel().getColumn(6);
			TableColumn FotoColumn = table.getColumnModel().getColumn(7);
			TableColumn SonstColumn = table.getColumnModel().getColumn(8);
			TableColumn HeimEintrColumn = table.getColumnModel().getColumn(9);
			TableColumn ImpfColumn = table.getColumnModel().getColumn(10);
			TableColumn MAColumn = table.getColumnModel().getColumn(11);
			TableColumn AendColumn = table.getColumnModel().getColumn(12);
			TableColumn BefColumn = table.getColumnModel().getColumn(13);
			TableColumn LastCColumn = table.getColumnModel().getColumn(14);
			TableColumn freigColumn = table.getColumnModel().getColumn(15);
			delB.setVisible(false);
			table.removeEditor();
			table.setCellSelectionEnabled(false);
			table.removeColumn(freigColumn);
			table.removeColumn(FotoColumn);
			table.removeColumn(BefColumn);
			table.removeColumn(LastCColumn);
			table.removeColumn(AendColumn);
			table.removeColumn(MAColumn);
			table.removeColumn(ImpfColumn);
			table.removeColumn(HeimEintrColumn);
		}
	}
	/* (non-Javadoc)
	 * @see AbstractMyJDlg#buttonActionPerformed(java.awt.event.ActionEvent)
	 */
	public void buttonActionPerformed(ActionEvent e) {
		if (e.getActionCommand().equals("Abbrechen"))
		{
			if (table.isEditing()) {
				table.getCellEditor().stopCellEditing();
			}
			table.removeEditor();
			table.clearSelection();
			dispose();
		}
		else if(e.getActionCommand().equals("Löschen"))
		{
			int selRow = table.getSelectedRow();
			table.clearSelection();
			if (table.isEditing()) {
				table.getCellEditor().stopCellEditing();
			}
			table.removeEditor();
			if (selRow >= 0)
				tiere.removeTier( (Tier) tiere.elementAt( selRow ) );
		}
		else if(e.getActionCommand().equals("detail"))
		{
			if (table.isEditing()) {
				table.getCellEditor().stopCellEditing();
			}
			table.removeEditor();
			int selRow = table.getSelectedRow();
			if (selRow >= 0) {
				new TierDialog( selRow );
			}
		}
	}
	
	/* (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 Tier ausgewählt");
		 return;
		 }
		 String name = (String) table.getValueAt(table.getSelectedRow(), 1);
		 String tierart = (String) table.getValueAt(table.getSelectedRow(), 2);
		 this.jTextFieldAuswahl.setText( name + " (" + tierart + ")" );
		 */
	}
	
	/* (non-Javadoc)
	 * @see java.awt.event.WindowListener#windowClosing(java.awt.event.WindowEvent)
	 */
	public void windowClosing(WindowEvent e) {
		if (table.isEditing()) {
			table.getCellEditor().stopCellEditing();
		}
		table.removeEditor();
		dispose();
	}
	/* (non-Javadoc)
	 * @see java.awt.event.WindowListener#windowClosed(java.awt.event.WindowEvent)
	 */
	public void windowClosed(WindowEvent e) {
	}
	/* (non-Javadoc)
	 * @see java.awt.event.WindowListener#windowOpened(java.awt.event.WindowEvent)
	 */
	public void windowOpened(WindowEvent e) {
	}
	/* (non-Javadoc)
	 * @see java.awt.event.WindowListener#windowIconified(java.awt.event.WindowEvent)
	 */
	public void windowIconified(WindowEvent e) {
		if (table.isEditing()) {
			table.getCellEditor().stopCellEditing();
		}
		table.removeEditor();
		table.clearSelection();
	}
	/* (non-Javadoc)
	 * @see java.awt.event.WindowListener#windowDeiconified(java.awt.event.WindowEvent)
	 */
	public void windowDeiconified(WindowEvent e) {
		if (table.isEditing()) {
			table.getCellEditor().stopCellEditing();
		}
		table.removeEditor();
		table.clearSelection();
	}
	/* (non-Javadoc)
	 * @see java.awt.event.WindowListener#windowActivated(java.awt.event.WindowEvent)
	 */
	public void windowActivated(WindowEvent e) {
	}
	/* (non-Javadoc)
	 * @see java.awt.event.WindowListener#windowDeactivated(java.awt.event.WindowEvent)
	 */
	public void windowDeactivated(WindowEvent e) {
		if (table.isEditing()) {
			table.getCellEditor().stopCellEditing();
		}
		table.removeEditor();
		table.clearSelection();
	}
	/**
	 * @param e
	 */
	public void windowGainedFocus(WindowEvent e) {
	}
	/**
	 * @param e
	 */
	public void windowLostFocus(WindowEvent e) {
		if (table.isEditing()) {
			table.getCellEditor().stopCellEditing();
		}
		table.removeEditor();
		table.clearSelection();
	}
	/**
	 * @param e
	 */
	public void windowStateChanged(WindowEvent e) {
		if (table.isEditing()) {
			table.getCellEditor().stopCellEditing();
		}
		table.removeEditor();
		table.clearSelection();
	}
}// end class AlleTiereDlg