Rectangle problems can't see cel height

Can anyone help me?
I use the celheight to measure a height of a text?
For some reason it dissapeared. I'll include a photo for what i mean i lost.

Found it, it's was set in dutch so had to translate everything.

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Spool file problem,Can't see the query in output file.

Hello ,
I am facing a very old school kind of problem .....about spool file ....
The scenario -
I have made a script by name DB_Status_checkup.sql which i want to fire on the database to check the database status. In this script their are many queries regarding the data dictionary views to know about the database. It consist of nearly 25-30 different select queries..
The problem is i want to make a spool file of the output of that query....i want to see the SQL query & the output below in the spool file, so it will be easy for me to judge the result. But i can't see the SQL query , i can only see the output , & in so many queries it all gets jumbled up....even i can't understand where the next output starts ...
Sample of my SQL Script ....
clear buffer
spool D:\DB_status.txt
/*To check the database startup time*/
Select to_char(startup_time, 'HH24:MI DD-MON-YY') "Startup time"
from v$instance
.........next query n so on....
spool off;
In the output pf the spool file at D:\db_status.txt..
Startup time
08:25 16-JUL-10It shows only the output of the query in the spool file not the query,
What should i do to get the SQL query as well as the output of that query just below it in the spool file ???
Please suggest if you have anymore ideas , regarding this .....
ORACLE 10g R2
Windows Server 2008
Thanks in advance ...

Why don't you just use database control, instead of re-inventing the wheel?
Apart from that, SQL*Plus has it's own reference manual, which you apparently refuse to read.
The answer to your quiz/doc question is
set echo on
Sybrand Bakker
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Then I can just wipe it again before shipping it to its new owner.
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Individual cell heights in JList

hi!
i'm trying to write a cellrenderer for a JList, which can show different cell heights.
i.e. in unselected mode, i only want to show a name of a person; in selected mode, i want do show the name of the person AND some other details in the same cell (like the "add and remove programs"-dialog of Windows XP when you select a program to uninstall (it shows then some information about usage etc.))
if(!isSelected) {
 /* Not selected */
 setPreferredSize(new Dimension(0,25));
 setBackground(Color.BLUE);
} else {
 /* Selected: */
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swissManu

thank you for your hints! ... i think i will take some time to develop a Model for my DetailList....
if you like, you can use my improved code.... here it is:
here is the mainpart, the DetailList.java
* Created on 02.12.2004
package detaillist;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.LayoutManager;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Vector;
import javax.swing.JPanel;
* Die Items einer DetailList k�nnen per Klick "aufgeklappt" werden und zeigen
* anschliessend weitere Deteils zum entsprechenden Item. 
* Um eigene DetailListItem's mit eigener Darstellung zu erstellen kann einfach
* eine Klasse welche von DetailListItem ableitet erstellt werden. 
* 
* hoverSelection: 
* Mit setHoverSelection(true) wird der Hover-Modus aktiviert. Der Benutzer muss
* anschliessend nur noch �ber Items mit der Maus fahren um diese aufzuklappen. 
* 
* multiSelection: 
* Per setMultiSelection(true) wird dem Benutzer erm�glicht, mehrere Items auf
* einmal aufzuklappen. 
* 
* ACHTUNG! hoverSelection & multiSelection k�nnen nicht gleichzeitig aktiviert
* sein!
* @author Manuel Alabor; adapted from Pierre LE LANNIC (weebib)
* @version 1.1
public class DetailList extends JPanel {
 /* Eigenschaften: */
 private boolean hoverSelection = false;
 private boolean multiSelection = false;
 /* Objekte: */
 private Vector selectedItems;
 private ItemSelectionListener itemListener;
 public DetailList() {
 super(new ListLayout());
 setOpaque(true);
 setBackground(Color.WHITE);
 itemListener = new ItemSelectionListener();
 selectedItems = new Vector();
 * Setzt das markierte Item und klappt das betreffende auf bzw. zu. 
 * Wird ein aufgeklapptes Item nochmals angeklickt, wird dieses zugeklappt. 
 * 
 * Ist multiSelection == true, so k�nnen mehrere Items auf einmal aufge-
 * klappt sein. Falls multiSelection == false, so wird das bereits offene
 * Item geschlossen.
 * @param item
 private synchronized void setSelectedItem(DetailListItem item) {
 if (item == null) return;
 /* Offenes Item bei erneutem Klick schliessen: */
 // Offenes Item schliessen und aus der selectedItems-Liste entfernen.
 for (int i = 0; i < selectedItems.size(); i++) {
 DetailListItem selItem = (DetailListItem)selectedItems.get(i);
 if(item == selItem) {
 if(item.isExpanded()) {
 item.setExpanded(false);
 selectedItems.remove(i);
 System.out.println(selectedItems.size());
 return;
 /* Ausgeklappte Items zuklappen wenn ein anderes gew�hlt wurde: */
 // Wenn nicht mehrere offene Items erlaubt sind (!multiSelection),
 // werden hier alle anderen Items zugeklappt (falls vorhanden)
 if(selectedItems.size() > 0 && !multiSelection) {
 for (int i = 0; i < selectedItems.size(); i++) {
 DetailListItem tmpItem = (DetailListItem)selectedItems.get(i);
 if(item != tmpItem) {
 tmpItem.setExpanded(false);
 selectedItems.remove(i);
 /* Geklicktes Item ausklappen: */
 item.setExpanded(true);
 selectedItems.add(item);
 System.out.println(selectedItems.size());
 * F�gt dieser DetailList ein neues DetailListItem hinzu. 
 * Es wird dem neuen Item automatisch der ItemSelectionListener dieser
 * DetailList zugewiesen.
 * @param newItem
 public void addItem(DetailListItem newItem) {
 newItem.addMouseListener(itemListener);
 add(newItem);
 revalidate();
 repaint();
 /* Anonyme Klassen: */
 * Diese anonyme Klasse fungiert als Klick-Listener f�r die DetailListItem's
 * dieser DetailList.
 * @author Manuel Alabor
 private class ItemSelectionListener extends MouseAdapter {
 public void mouseClicked(MouseEvent e) {
 Object o = e.getSource();
 if(!hoverSelection) {
 if (o instanceof DetailListItem) {
 setSelectedItem((DetailListItem)o);
 * Erm�glicht einen "Hover"-Effekt welche bewirkt dass ein Item auf-
 * geklappt wird sobald sich der Mauszeiger dar�ber befindet. 
 * Ist multiSelection aktiv, wird hier nichts unternommen, auch wenn
 * hoverSelection aktiviert ist.
 public void mouseEntered(MouseEvent e) {
 if(hoverSelection && !multiSelection) {
 Object o = e.getSource();
 if (o instanceof DetailListItem) {
 // Wenn ein Item offen ist, soll dieses nicht zugeklappt
 // werden wenn der Benutzer erneut mit dem Cursor auf das
 // Item f�hrt.
 if(selectedItems.size() == 1) {
 if(selectedItems.get(0) != o) {
 setSelectedItem((DetailListItem)o);
 } else {
 setSelectedItem((DetailListItem)o);
 * Dieser LayoutManager wird benutzt um alle DetailListItems in einer Listen-
 * Anordnung anzuzeigen.
 * @author Manuel Alabor
 private static class ListLayout implements LayoutManager {
 public void removeLayoutComponent(Component comp) {}
 public void addLayoutComponent(String name, Component comp) {}
 public void layoutContainer(Container target) {
 synchronized (target.getTreeLock()) {
 Insets insets = target.getInsets();
 int nmembers = target.getComponentCount();
 int x = insets.left;
 int y = insets.top;
 for (int i = 0; i < nmembers; i++) {
 Component m = target.getComponent(i);
 if (m.isVisible()) {
 Dimension d = m.getPreferredSize();
 m.setBounds(x, y, target.getWidth(), d.height);
 y += d.height;
 public Dimension preferredLayoutSize(Container target) {
 synchronized (target.getTreeLock()) {
 Dimension dim = new Dimension(0, 0);
 int nmembers = target.getComponentCount();
 for (int i = 0; i < nmembers; i++) {
 Component m = target.getComponent(i);
 if (m.isVisible()) {
 Dimension d = m.getPreferredSize();
 dim.height += d.height;
 dim.width = Math.max(dim.width, d.width);
 Insets insets = target.getInsets();
 dim.width += insets.left + insets.right;
 dim.height += insets.top + insets.bottom;
 return dim;
 public Dimension minimumLayoutSize(Container target) {
 synchronized (target.getTreeLock()) {
 Dimension dim = new Dimension(0, 0);
 int nmembers = target.getComponentCount();
 for (int i = 0; i < nmembers; i++) {
 Component m = target.getComponent(i);
 if (m.isVisible()) {
 Dimension d = m.getMinimumSize();
 dim.height += d.height;
 dim.width = Math.max(dim.width, d.width);
 Insets insets = target.getInsets();
 dim.width += insets.left + insets.right;
 dim.height += insets.top + insets.bottom;
 return dim;
 /* Getter- & Setter-Methoden: */
 public boolean isHoverSelection() {
 return hoverSelection;
 public void setHoverSelection(boolean hoverSelection) {
 multiSelection = false;
 this.hoverSelection = hoverSelection;
 public boolean isMultiSelection() {
 return hoverSelection;
 public void setMultiSelection(boolean multiSelection) {
 hoverSelection = false;
 this.multiSelection = multiSelection;
}this is the DetailListItem.java ... the prototype for individual items:
* Created on 02.12.2004
package detaillist;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Toolkit;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;
* Ein Standart-Item f�r DetailList. 
* Um eigene Items zu realisieren kann ganz einfach von dieser Klasse abgleitet
* werden und anschliessend das Item individualisiert werden. (Beispiel siehe
* DetailListAdressItem)
* @author Manuel Alabor
* @version 1.0
* @see detaillist.DetailListAdressItem
public abstract class DetailListItem extends JPanel {
 /* Components: */
 protected JLabel lblTitle;
 protected JPanel details;
 private Component margin;
 /* Eigenschaften: */
 protected boolean expanded = false;
 protected int unexpandedHeight = 18;
 * Standart-Konstruktor mit Angabe f�r den Titel sowie ein Symbol.
 * @param text
 * @param icon
 public DetailListItem(String title, String icon) {
 super(new BorderLayout());
 /* Item anpassen: */
 setOpaque(true);
 /* Titel initialisieren: */
 lblTitle = new JLabel(title);
 if(!icon.equals("")) {
 lblTitle.setIcon(new ImageIcon(Toolkit.getDefaultToolkit().createImage(icon)));
 /* details-Panel initialisieren & vorbereiten: */
 details = new JPanel();
 margin = Box.createHorizontalStrut(10);
 /* Components anordnen: */
 add(lblTitle, BorderLayout.NORTH);
 add(margin, BorderLayout.WEST);
 add(details, BorderLayout.CENTER);
 update();
 * Verk�rzter Konstruktor ohne angabe f�r ein Symbol.
 * @param text
 public DetailListItem(String text) {
 this(text, "");
 * Klappt das Item entweder auf oder zu.
 private void update() {
 margin.setVisible(expanded);
 details.setVisible(expanded);
 if (expanded) {
 setBackground(Color.LIGHT_GRAY);
 setBorder(BorderFactory.createLineBorder(Color.BLACK));
 } else {
 setBackground(Color.WHITE);
 setBorder(BorderFactory.createLineBorder(Color.WHITE));
 this.revalidate();
 this.repaint();
 * Im zugeklappten Zustand sollte per unexpandedHeight-Variabel die H�he des
 * Items definiert werden, da es ansonsten jenachdem zu unsch�nen Effekten
 * kommen kann. 
 * F�r ein normales Item betr�gt die "Standarth�he" 18pixel.
 public Dimension getPreferredSize() {
 Dimension dim = super.getPreferredSize();
 /* H�he: */
 // Wenn das Item nicht ausgeklappt ist, unexpandedHeight als h�he
 // nehmen:
 if(!expanded) {
 dim.height = unexpandedHeight;
 return dim;
 /* Getter- & Setter-Methoden: */
 public String getTitle() {
 return lblTitle.getText();
 public void setTitle(String text) {
 lblTitle.setText(text);
 public boolean isExpanded() {
 return expanded;
 public void setExpanded(boolean expanded) {
 this.expanded = expanded;
 update();
}here my first basic sample for a item:
* Created on 02.12.2004
package detaillist;
import java.awt.Font;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import com.jgoodies.forms.factories.Borders;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;
* Ein DetailListItem mit Texteingabe-Feld
* @author Manuel Alabor
* @version 1.0
public class DetailListTextItem extends DetailListItem {
 /* Components: */
 private JTextArea txtText;
 * Standartkonstruktor.
 * @param text
 * @param name
 * @param adress
 * @param email
 * @param photo
 public DetailListTextItem(String title, String icon, String text) {
 super(title, icon);
 unexpandedHeight = 20; // H�he in zugeklapptem Modus festlegen
 /* lblTitle anpassen: */
 lblTitle.setFont(new Font("Tahoma",Font.BOLD + Font.ITALIC,11));
 lblTitle.setBorder(Borders.createEmptyBorder("1dlu,1dlu,1dlu,1dlu"));
 /* Werte �bernehmen: */
 txtText = new JTextArea(text);
 /* FormLayout f�r details erstellen: */
 details.setLayout(new FormLayout("d:g", "f:30dlu:g"));
 CellConstraints cc = new CellConstraints();
 /* Components hinzuf�gen: */
 details.setBorder(Borders.DLU2_BORDER);
 details.add(new JScrollPane(txtText), cc.xy(1,1));
}and here a testapp:
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import detaillist.DetailList;
import detaillist.DetailListItem;
import detaillist.DetailListTextItem;
* Created on 02.12.2004
* @author Manuel Alabor
public class DetailListTest {
 public static void main(String[] args) {
 JFrame frame = new JFrame();
 JPanel contentPane = (JPanel)frame.getContentPane();
 contentPane.setLayout(new BorderLayout());
 final DetailList list = new DetailList();
 contentPane.add(new JScrollPane(list), BorderLayout.CENTER);
 JButton btnAdd = new JButton("Add Textitem...");
 btnAdd.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent arg0) {
 DetailListItem item = new DetailListTextItem("Text-Item", "small_gear.png", "Dies ist ein Testitem");
 list.addItem(item);
 contentPane.add(btnAdd, BorderLayout.SOUTH);
 JPanel options = new JPanel(new BorderLayout());
 final JCheckBox chkHover = new JCheckBox("HoverSelection");
 final JCheckBox chkMulSel = new JCheckBox("MultiSelection");
 chkHover.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent arg0) {
 list.setHoverSelection(chkHover.getModel().isSelected());
 chkMulSel.getModel().setSelected(false);
 options.add(chkHover, BorderLayout.NORTH);
 chkMulSel.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent arg0) {
 chkHover.getModel().setSelected(false);
 list.setMultiSelection(chkMulSel.getModel().isSelected());
 options.add(chkMulSel, BorderLayout.SOUTH);
 contentPane.add(options, BorderLayout.NORTH);
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 frame.setSize(262,250);
 frame.setLocation(200,200);
 frame.show();
}hope you like it :)

JList Cell Height Problem

I am trying to use a customer cell renderer for a JList. It sort of works, but my cell heights are incorrect because when a cell is selected the JPanel returned from my cell renderer need more space to paint on than an unselected list item.
Sample code below demontrates the problem - use it as the cell renderer for something and make some selections - you can see that when the text is enlarged when the cell is selected, it is not resized to accommodate the larger text.
I've tried various combinations of setSize, revalidate etc at various points but nothing helps...
import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
public class TestListCellRenderer extends JPanel implements ListCellRenderer {
     JLabel l;
     public TestListCellRenderer() {
          setLayout( new BorderLayout() );
          l = new JLabel( );
          setBorder( BorderFactory.createLineBorder( Color.BLACK ) );
          add( l, BorderLayout.NORTH );
     public Component getListCellRendererComponent(
               JList list,
               Object value,
               int index,
               boolean isSelected,
               boolean hasFocus ) {
          if( isSelected == false ) {
               l.setText( value.toString() );
               l.setFont( new Font( "Serif", Font.BOLD, 12 ) );
          else {
               l.setText( value.toString() );
               l.setFont( new Font( "Serif", Font.BOLD, 18 ) );
          return this;
}

I came across this thread when I was having a similar problem. I have found a way to get it to work.
My problem was this: I have a list of news headlines. When I increased the font size of the items in my list I needed to increase the height of each cell in the list so that the headline wouldn't get cut off top and bottom by the restrictive height of the list cell.
Solution is to use setFixedCellHeight(int height) from the JList class.
In my case I find set the fixed cell height in 3 places.
the constructor - when the list is being created
the cell renderer method - when the list is being rendered
in an action listener method - to act when a user changes the size of the font.
The code excerpt below is a chopped down version of the working code but gives you an idea.
public class NewsWindow implements ListSelectionListener {
     /** Component which holds the headlines */
     public JList list;
     public NewsWindow(Container parent, WindowProperties properties) {
          DefaultListModel listModel = new DefaultListModel();
          list = new JList(listModel);
          list.setCellRenderer(new HeadlineCellRenderer());
          bounceListCellHeight(); // set the correct list cell height up front
     /** when the font size has changed this method is eventually called via a super class */
     public void fontSizeHasChangedListener() {
     bounceListCellHeight();
     /** THIS METHOD SETS THE HEIGHT OF THE LIST CELLS */
     public void bounceListCellHeight() {
          int height = getFontMetrics(getNewsFont()).getHeight(); // get the height of the font
          list.setFixedCellHeight(height + 10); // set the cell height
     * Inner class to render the list.
     private class HeadlineCellRenderer extends JLabel implements ListCellRenderer {
          public HeadlineCellRenderer() {
          setOpaque(true);
          public Component getListCellRendererComponent(JList myList, Object value, int index, boolean isSelected, boolean cellHasFocus) {
          bounceListCellHeight(); // call the method to set the list cell height
          setText(getHeadlineText());
          this.revalidate();
          setFont(getNewsFont());
          return this;
Hope this is of some help.

Rectangle problems can't see cel height

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