JComboBox selected border
When moving from 1.4 to 1.5, JComboBox now has a white border around it when it's selected. This is not the border color, I'm setting that, I'm also setting the background color but now have an additional white border. How to I get rid of it?
-d
if your comboBox is editable
JTextField tf = (JTextField)comboBox.getEditor().getEditorComponent();
tf.setBorder(BorderFactory.createEmptyBorder(0,0,0,0));
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JComboBox - Bottom border is not visible for the first time
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This happens because the list when dropped down goes out of the frame.
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I am using jdk1.3.1_02.
Any Help would be great.
Please find the code below.
Thanks,
Sridhar.
//file: Lister.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Lister {
public static void main(String[] args) {
JFrame frame = new JFrame("Lister v1.0");
// create a combo box
String [] items = { "uno", "due", "tre", "quattro", "cinque",
"sei", "sette", "otto", "nove", "deici",
"undici", "dodici" };
JComboBox comboBox = new JComboBox(items);
comboBox.setEditable(true);
// put the controls the content pane
Container c = frame.getContentPane( );
JPanel comboPanel = new JPanel( );
comboPanel.add(comboBox);
c.add(comboPanel, BorderLayout.NORTH);
c.setBackground(Color.white);
comboBox.setBackground(Color.white);
comboPanel.setBackground(Color.white);
frame.setBackground(Color.white);
frame.setResizable(false);
frame.setSize(200, 200);
frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
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}Hello,
try this:JPanel comboPanel = new JPanel(new BorderLayout());Regards,
Tim -
Drop down list(JComboBox) - Bottom border is not visible for the first time
Drop down list(Combo-box) JComboBox - Bottom border is not visible for the first time i click on the arrow to drop the list down.
I am using jdk1.3.1_02.
Did any one face this issue.
Please let me know.
Thanks,
Sridhar.I must be a little confused regarding your question.
You can simply change your code frame.setSize(200, 200); to frame.setSize(400, 400);When you say you are unable to see the border are you specifically talking about the border of the frame or the border of the combo box?
Lance -
Problem in JComboBox selected Index change
hi all
Can anyone send me the code for Loading values to JComboBox & then i want to Display Particular value for that Loaded value in JTextField.
Ex:
I loaded category cade for JComboBox & when JComboBox selected index change the particular category name should appear in JTextBox
ThankzHi,
I am sending a sample program.
Try this, if u had any problem just mail me at [email protected]
import javax.swing.*;
import java.util.*;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
public class SwingDemo extends JFrame implements ItemListener
JComboBox combo;
JTextField text;
Properties props;
public SwingDemo() throws Exception
super();
combo=new JComboBox();
text=new JTextField();
addItems("combodata.dat");
setLayout(new GridLayout(2,1));
add(combo);
add(text);
combo.addItemListener(this);
setTitle("JComboBox - Demo");
setSize(400,400);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
public static void main(String[] args) throws Exception
new SwingDemo();
public void addItems(String str) throws Exception
FileInputStream fis=new FileInputStream(str);
props=new Properties();
props.load(fis);
Enumeration e=props.propertyNames();
while(e.hasMoreElements())
combo.addItem((String)e.nextElement());
public void itemStateChanged(ItemEvent ie)
//System.out.println(ie.getSource());
//System.out.println((ie.getSource()==combo));
if(ie.getSource()==combo)
System.out.println(combo.getSelectedItem());
System.out.println(props.getProperty(combo.getSelectedItem().toString()));
text.setText(props.getProperty(combo.getSelectedItem().toString()));
pack();
For the above program I took data from a file instead of the database
You have to create that file to execute the above program with the name combodata.dat and the values as follwos
1=BSc
2=BCA
3=BA/BCom
4=MSc(IS)
5=MSc(Cs)
6=MCA
7=BE/BTech
8=MBA
Bye...
Thanks & Regards,
Santhosh Reddy Mandadi -
Setting selected border colour of a JToggleButton
Hi
I am wanting to be able to change the selected border colour of a JToggleButton. I have already been able to do a similar thing for changing the selected background colour for the JToggleButton by:
button.setUI(new MyUI(Color.gray));
class MyUI extends javax.swing.plaf.metal.MetalToggleButtonUI
Color color;
public MyUI(Color c){color = c;}
public Color getSelectColor(){return color;}
however I want the background colour of the toggle button to remain the same whether selected or not (so I'm not using this).
I realise that I can use a MouseListener to do this (I have already done that to change the rollover border colour), but it is more of a pain for the selected border colour, so I was wondering if anyone knew of a similar way to change the selected border colour to the above method?
Thanksyour layerpane lives on top of a container. set the
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here is a sample code. In the createAndShowGUI you
can add a line,
frame.setBackground(Color.white) ;
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Need image to update with JComboBox selection
hello, i have code here that loads an image from a JFileChooser dialog when "Add Image" is clicked, the images name and path is stored in a JComboBox, and the image name is displayed. As more images are added to the JComboBox, I would like to be able to have the picture displayed in concurrence with whatever image is selected from the comboBox. For instance, if Jessica.jpg is selected in the JComboBox, i need Jessica.jpg to be loaded into imagePanel. Here is the code. The problem lies within the JComboBox's "itemStateChanged" I believe... This is what must be used (i think) to update the pictures in the imagePanel when the combobox is manipulated....
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.*;
import java.io.*;
import javax.swing.border.*;
import java.awt.image.BufferedImage;
public class MyDialog extends JDialog implements ActionListener, WindowListener, ItemListener
ReminderClass dataRec;
ReminderClass originalDataRec;
Image im;
MediaTracker mt;
Toolkit tk;
JFileChooser imageDialog;
File f;
String[] comboBoxList;
String fileName;
String filePathName;
DataManager dataManager;
JPanel mainPanel1;
JPanel mainPanel2;
JPanel mainPanel3;
JPanel buttonPanel;
JPanel radioPanel;
MyImageJPanel imagePanel;
JScrollPane scrollPane1;
JScrollPane scrollPane2;
JRadioButton pendingButton;
JRadioButton documentationButton;
JRadioButton completedButton;
JRadioButton failedButton;
JRadioButton cancelledButton;
ButtonGroup radioGroup;
JComboBox imageComboBox;
JComboBox category;
JTextArea description;
JTextArea message;
JLabel descriptionLabel;
JLabel messageLabel;
JLabel fileNameLabel;
JLabel categoryLabel;
JLabel selectedFile;
GregorianCalendar dueDateTime;
GregorianCalendar reminderInterval;
GregorianCalendar terminatedDateTime;
JButton saveCont;
JButton cancel;
JButton addImage;
JButton saveExit;
JLabel dueDate;
JLabel intervalDate;
JLabel terminatedDate;
JTextField dueDateField;
JTextField intervalDateField;
JTextField terminatedDateField;
int choice;
int newIndex;
public MyDialog(DataManager aDataManager)
{//add new Reminder to list d-box
Container cp;
dataManager = aDataManager;
dataRec = new ReminderClass();
imageComboBox = new JComboBox();
imagePanel = new MyImageJPanel();
imagePanel.setPreferredSize(new Dimension(40, 40));
imageComboBox.addItemListener(this);
mainPanel1 = new JPanel(new BorderLayout());
mainPanel2 = new JPanel(new BorderLayout());
mainPanel3 = new JPanel(new GridLayout(7,2));
radioPanel = new JPanel(new GridLayout(5,1));
buttonPanel = new JPanel(new FlowLayout());
saveCont = new JButton ("Save & Continue");
saveExit = new JButton ("Save & Exit");
addImage = new JButton ("Add Image(s)");
cancel = new JButton ("Cancel");
description = new JTextArea(" ");
description.setBorder(BorderFactory.createLineBorder(Color.black));
scrollPane1 = new JScrollPane(description);
message = new JTextArea(" ");
scrollPane2 = new JScrollPane(message);
comboBoxList = CategoryConversion.categories;
category = new JComboBox(comboBoxList);
category.setSelectedIndex(0);
message.setBorder(BorderFactory.createLineBorder(Color.black));
scrollPane2 = new JScrollPane(message);
descriptionLabel = new JLabel("Description: ");
messageLabel = new JLabel("Message: ");
selectedFile = new JLabel("Selected File(s): ");
fileNameLabel = new JLabel();
categoryLabel = new JLabel("Category: ");
dueDate = new JLabel("Due date: ");
intervalDate = new JLabel ("Interval date: ");
terminatedDate = new JLabel ("Terminated date: ");
dueDateField = new JTextField(" ");
intervalDateField = new JTextField(" ");
terminatedDateField = new JTextField(" ");
pendingButton = new JRadioButton("Pending?");
documentationButton = new JRadioButton("Documentation?");
completedButton = new JRadioButton("Completed?");
failedButton = new JRadioButton("Failed?");
cancelledButton = new JRadioButton("Cancelled?");
radioGroup = new ButtonGroup();
radioGroup.add(pendingButton);
radioGroup.add(documentationButton);
radioGroup.add(completedButton);
radioGroup.add(failedButton);
radioGroup.add(cancelledButton);
radioPanel.add(pendingButton);
radioPanel.add(documentationButton);
radioPanel.add(completedButton);
radioPanel.add(failedButton);
radioPanel.add(cancelledButton);
pendingButton.addActionListener(this);
pendingButton.setActionCommand("PENDING");
documentationButton.addActionListener(this);
documentationButton.setActionCommand("DOCUMENTATION");
completedButton.addActionListener(this);
completedButton.setActionCommand("COMPLETED");
failedButton.addActionListener(this);
failedButton.setActionCommand("FAILED");
cancelledButton.addActionListener(this);
cancelledButton.setActionCommand("CANCELLED");
add(mainPanel1);
mainPanel1.add(mainPanel2, BorderLayout.CENTER);
mainPanel3.add(descriptionLabel);
mainPanel3.add(scrollPane1);
mainPanel3.add(messageLabel);
mainPanel3.add(scrollPane2);
mainPanel3.add(selectedFile);
mainPanel3.add(imageComboBox);
mainPanel3.add(categoryLabel);
mainPanel3.add(category);
mainPanel3.add(dueDate);
mainPanel3.add(dueDateField);
mainPanel3.add(intervalDate);
mainPanel3.add(intervalDateField);
mainPanel3.add(terminatedDate);
mainPanel3.add(terminatedDateField);
mainPanel2.add(radioPanel, BorderLayout.EAST);
mainPanel2.add(mainPanel3, BorderLayout.WEST);
buttonPanel.add(addImage);
buttonPanel.add(saveCont);
buttonPanel.add(saveExit);
buttonPanel.add(cancel);
mainPanel1.add(buttonPanel, BorderLayout.SOUTH);
mainPanel2.add(imagePanel, BorderLayout.CENTER);
saveCont.setActionCommand("SAVECONT");
saveCont.addActionListener(this);
saveExit.setActionCommand("SAVEEXIT");
saveExit.addActionListener(this);
cancel.setActionCommand("CANCEL");
cancel.addActionListener(this);
addImage.setActionCommand("ADDIMAGE");
addImage.addActionListener(this);
category.addItemListener(this);
addWindowListener(this);
description.setInputVerifier(new MyTextAreaVerifier(dataRec, ReminderClass.DESCRIPTION_FIELD));
message.setInputVerifier(new MyTextAreaVerifier(dataRec, ReminderClass.MESSAGE_FIELD));
//dueDateField.setInputVerifier(new MyDateAreaVerifier(dataRec, ReminderClass.DUE_DATE_TIME_FIELD));
//intervalDateField.setInputVerifier(new MyDateAreaVerifier(dataRec, ReminderClass.REMINDER_INTERVAL_FIELD));
//terminatedDateField.setInputVerifier(new MyDateAreaVerifier(dataRec, ReminderClass.TERMINATED_DATE_TIME_FIELD));
cp = getContentPane();
cp.add(mainPanel1);
originalDataRec = (ReminderClass)dataRec.clone();
setupMainFrameAdd();
public MyDialog(int index, DataManager aDataManager, ReminderClass newDataRec)
{//edit an existing reminder dialog
Container cp;
dataManager = aDataManager;
index = newIndex;
dataRec = newDataRec;
imageComboBox = new JComboBox();
imagePanel = new MyImageJPanel();
imagePanel.setPreferredSize(new Dimension(40, 40));
imageComboBox.addItemListener(this);
mainPanel1 = new JPanel(new BorderLayout());
mainPanel2 = new JPanel(new BorderLayout());
mainPanel3 = new JPanel(new GridLayout(7,2));
radioPanel = new JPanel(new GridLayout(5,1));
buttonPanel = new JPanel(new FlowLayout());
saveCont = new JButton ("Save & Continue");
saveExit = new JButton ("Save & Exit");
addImage = new JButton ("Add Image(s)");
cancel = new JButton ("Cancel");
description = new JTextArea(" ");
description.setBorder(BorderFactory.createLineBorder(Color.black));
scrollPane1 = new JScrollPane(description);
message = new JTextArea(" ");
scrollPane2 = new JScrollPane(message);
comboBoxList = CategoryConversion.categories;
category = new JComboBox(comboBoxList);
category.setSelectedIndex(0);
dataRec.populateComboBox(imageComboBox);
message.setBorder(BorderFactory.createLineBorder(Color.black));
scrollPane2 = new JScrollPane(message);
descriptionLabel = new JLabel("Description: ");
messageLabel = new JLabel("Message: ");
selectedFile = new JLabel("Selected File(s): ");
fileNameLabel = new JLabel();
categoryLabel = new JLabel("Category: ");
dueDate = new JLabel("Due date: ");
intervalDate = new JLabel ("Interval date: ");
terminatedDate = new JLabel ("Terminated date: ");
dueDateField = new JTextField(" ");
intervalDateField = new JTextField(" ");
terminatedDateField = new JTextField(" ");
pendingButton = new JRadioButton("Pending?");
documentationButton = new JRadioButton("Documentation?");
completedButton = new JRadioButton("Completed?");
failedButton = new JRadioButton("Failed?");
cancelledButton = new JRadioButton("Cancelled?");
radioGroup = new ButtonGroup();
radioGroup.add(pendingButton);
radioGroup.add(documentationButton);
radioGroup.add(completedButton);
radioGroup.add(failedButton);
radioGroup.add(cancelledButton);
radioPanel.add(pendingButton);
radioPanel.add(documentationButton);
radioPanel.add(completedButton);
radioPanel.add(failedButton);
radioPanel.add(cancelledButton);
pendingButton.addActionListener(this);
pendingButton.setActionCommand("PENDING");
documentationButton.addActionListener(this);
documentationButton.setActionCommand("DOCUMENTATION");
completedButton.addActionListener(this);
completedButton.setActionCommand("COMPLETED");
failedButton.addActionListener(this);
failedButton.setActionCommand("FAILED");
cancelledButton.addActionListener(this);
cancelledButton.setActionCommand("CANCELLED");
add(mainPanel1);
mainPanel1.add(mainPanel2, BorderLayout.CENTER);
mainPanel3.add(descriptionLabel);
mainPanel3.add(scrollPane1);
mainPanel3.add(messageLabel);
mainPanel3.add(scrollPane2);
mainPanel3.add(selectedFile);
mainPanel3.add(imageComboBox);
mainPanel3.add(categoryLabel);
mainPanel3.add(category);
mainPanel3.add(dueDate);
mainPanel3.add(dueDateField);
mainPanel3.add(intervalDate);
mainPanel3.add(intervalDateField);
mainPanel3.add(terminatedDate);
mainPanel3.add(terminatedDateField);
mainPanel2.add(radioPanel, BorderLayout.EAST);
mainPanel2.add(mainPanel3, BorderLayout.WEST);
buttonPanel.add(addImage);
buttonPanel.add(saveCont);
buttonPanel.add(saveExit);
buttonPanel.add(cancel);
mainPanel1.add(buttonPanel, BorderLayout.SOUTH);
mainPanel2.add(imagePanel, BorderLayout.CENTER);
fillInData(dataRec);
saveCont.setActionCommand("SAVECONT2");
saveCont.addActionListener(this);
saveExit.setActionCommand("SAVEEXIT2");
saveExit.addActionListener(this);
cancel.setActionCommand("CANCEL2");
cancel.addActionListener(this);
addImage.setActionCommand("ADDIMAGE");
addImage.addActionListener(this);
category.addItemListener(this);
addWindowListener(this);
description.setInputVerifier(new MyTextAreaVerifier(dataRec, ReminderClass.DESCRIPTION_FIELD));
message.setInputVerifier(new MyTextAreaVerifier(dataRec, ReminderClass.MESSAGE_FIELD));
//dueDateField.setInputVerifier(new MyDateAreaVerifier(dataRec, ReminderClass.DUE_DATE_TIME_FIELD));
//intervalDateField.setInputVerifier(new MyDateAreaVerifier(dataRec, ReminderClass.REMINDER_INTERVAL_FIELD));
//terminatedDateField.setInputVerifier(new MyDateAreaVerifier(dataRec, ReminderClass.TERMINATED_DATE_TIME_FIELD));
cp = getContentPane();
cp.add(mainPanel1);
originalDataRec = (ReminderClass)dataRec.clone();
setupMainFrameEdit();
void setupMainFrameAdd()
tk = Toolkit.getDefaultToolkit();
Dimension d = tk.getScreenSize();
setSize(d.width/3, d.height/4);
setLocation(d.width/3, d.height/3);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setTitle("Reminder Add New");
setVisible(true);
}//end of setupMainFrame
void setupMainFrameEdit()
tk = Toolkit.getDefaultToolkit();
Dimension d = tk.getScreenSize();
setSize(d.width/3, d.height/4);
setLocation(d.width/3, d.height/3);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setTitle("Edit Existing Reminder");
setVisible(true);
public void actionPerformed(ActionEvent e)
JOptionPane optionPane;
String temp = new String();
if (e.getActionCommand().equals("CANCEL"))
if(dataRec.compareTo(originalDataRec) != 0)
choice = JOptionPane.showConfirmDialog(this, "Are you sure you wish to exit without first saving data?","Are you sure you wish to\n" + "exit without first saving data?", JOptionPane.YES_NO_OPTION);
if(choice == JOptionPane.YES_OPTION)
dispose();
else
for (int n = 0; n<imageComboBox.getItemCount(); n++)
dataRec.addImageToArray((String)imageComboBox.getItemAt(n));
dataRec.setCategory(category.getSelectedIndex());
dataManager.add(dataRec);
fillInData(dataRec);
dispose();
else
dispose();
else if (e.getActionCommand().equals("CANCEL2"))
if (dataRec.compareTo(originalDataRec) != 0)
choice = JOptionPane.showConfirmDialog(this, "Are you sure you wish to\n" + "exit without first saving data?");
if (choice == JOptionPane.YES_OPTION)
dispose();
else
this.dispose();
else if (e.getActionCommand().equals("ADDIMAGE"))
filePathName = new String();
fileName = new String();
imageDialog = new JFileChooser();
imageDialog.showOpenDialog(this);
f = imageDialog.getSelectedFile();
tk = Toolkit.getDefaultToolkit();
fileName = f.getName();
filePathName = f.getPath();
im = tk.getImage(filePathName);
try
mt = new MediaTracker(this);
mt.addImage(im, 432);
mt.waitForAll();
catch(InterruptedException ie)
ie.getStackTrace();
imageComboBox.addItem(fileName);
dataRec.setImageFileName(fileName);
imageComboBox.setSelectedItem(fileName);
imagePanel.refreshImage(im , 50, 50);
else if (e.getActionCommand().equals("SAVECONT"))
for (int n = 0; n<imageComboBox.getItemCount(); n++)
dataRec.addImageToArray((String)imageComboBox.getItemAt(n));
temp = dueDateField.getText();
fileNameLabel.setText("");
dataRec.setCategory(category.getSelectedIndex());
dataManager.add((ReminderClass)(dataRec.clone()));
dataRec.clearFields();
fillInData(dataRec);
else if (e.getActionCommand().equals("SAVECONT2"))
fileNameLabel.setText("");
dataRec.setCategory(category.getSelectedIndex());
dataManager.replace(newIndex,(ReminderClass)(dataRec.clone()));
dataRec.clearFields();
fillInData(dataRec);
else if (e.getActionCommand().equals("SAVEEXIT"))
for (int n = 0; n<imageComboBox.getItemCount(); n++)
dataRec.addImageToArray((String)imageComboBox.getItemAt(n));
dataRec.setCategory(category.getSelectedIndex());
dataManager.add(dataRec);
fillInData(dataRec);
dispose();
//save new data to list, and exit back to main prog.
else if (e.getActionCommand().equals("SAVEEXIT2"))
for (int n = 0; n<imageComboBox.getItemCount(); n++)
dataRec.addImageToArray((String)imageComboBox.getItemAt(n));
dataRec.setCategory(category.getSelectedIndex());
dataManager.replace(newIndex, (ReminderClass)(dataRec.clone()));
fillInData(dataRec);
dispose();
else if (e.getActionCommand().equals("PENDING"))
dataRec.setStatus("Pending");
else if (e.getActionCommand().equals("DOCUMENTATION"))
dataRec.setStatus("Documentation");
else if (e.getActionCommand().equals("COMPLETED"))
dataRec.setStatus("Completed");
else if (e.getActionCommand().equals("FAILED"))
dataRec.setStatus("Failed");
else if (e.getActionCommand().equals("CANCELLED"))
dataRec.setStatus("Cancelled");
public void itemStateChanged(ItemEvent e)
JComboBox cb = (JComboBox)e.getSource();
int categorySelection;
if(cb == category)
categorySelection = cb.getSelectedIndex();
if (cb == imageComboBox)
tk = Toolkit.getDefaultToolkit();
fileName = dataRec.getImageFileName();
filePathName = f.getPath();
im = tk.getImage(filePathName);
try
mt = new MediaTracker(this);
mt.waitForAll();
mt.addImage(im, 432);
imagePanel.refreshImage(im , 50, 50);
catch(InterruptedException ie)
ie.getStackTrace();
public void fillInData(ReminderClass d)
fileNameLabel.setText(d.getImageFileName());
description.setText(d.getDescription());
message.setText(d.getMessage());
category.setSelectedIndex(d.getCategory());
public void windowOpened(WindowEvent e)
//no action to take
public void windowClosing(WindowEvent e)
JOptionPane j = new JOptionPane("Are you sure you wish to exit \n" + "without saving data first?", JOptionPane.QUESTION_MESSAGE, JOptionPane.YES_NO_OPTION);;
public void windowClosed(WindowEvent e)
// no action to take
public void windowIconified(WindowEvent e)
// no action to take
public void windowDeiconified(WindowEvent e)
// no action to take
public void windowActivated(WindowEvent e)
// no action to take
public void windowDeactivated(WindowEvent e)
// no action to take
}Here is the main "ReminderClass" with all methods and accessors/mutators....
import java.util.*;
import java.awt.*;
import java.io.*;
import javax.swing.*;
//search for Java Thumb Wheel under Google.
public class ReminderClass extends Object implements Cloneable, Comparable
private int category;
private String description;
private String message;
private GregorianCalendar dueDateTime;
private GregorianCalendar reminderInterval;
private GregorianCalendar terminatedDateTime;
private int displayStyle;
private int compareKey;
private String status;
String[] imagePathArray;
String[] imageArray;
String imageFileName;
int numImages;
public final static int CATEGORY_FIELD = 1;
public final static int DESCRIPTION_FIELD = 2;
public final static int MESSAGE_FIELD = 3;
public final static int DUE_DATE_TIME_FIELD = 4;
public final static int REMINDER_INTERVAL_FIELD =5;
public final static int TERMINATED_DATE_TIME_FIELD = 6;
public final static int DISPLAY_STYLE_FIELD = 7;
public final static int COMPARE_KEY_FIELD = 8;
public final static int STATUS_FIELD = 9;
static boolean showDescription = false;
static boolean showDate = false;
static boolean showCategory = false;
static boolean showMessage = false;
static boolean showDueDateTime = false;
static boolean showReminderInterval = false;
static boolean showTerminatedDateTime = false;
static boolean showImageName = false;
static boolean showStatus = false;
//******************REMINDER CLASS DEFAULT CONSTRUCTOR***************
ReminderClass()
numImages = 0;
imageArray = new String[20];
imagePathArray = new String[20];
imageFileName = "";
category = -1;
description = "";
message = "";
dueDateTime = new GregorianCalendar();
reminderInterval = new GregorianCalendar();
terminatedDateTime = new GregorianCalendar();
displayStyle = -1;
compareKey = -1;
// *****************REMINDER CLASS INITIALIZER CONSTRUCTOR*************
ReminderClass(int initCategory, String initDescription, GregorianCalendar initDueDateTime, String[] initImagePathArray, String[] initImageArray, String initImageFileName,
GregorianCalendar initReminderInterval, GregorianCalendar initTerminatedDateTime, String initMessage, String initStatus,
int initCompareKey, int initDisplayStyle)
imagePathArray = new String[20];
imageArray = new String[20];
for (int n = 0; n<initImageArray.length; n++)
imageArray[n] = initImageArray[n];
for (int n = 0; n<initImagePathArray.length; n++)
imagePathArray[n] = initImagePathArray[n];
imageFileName = initImageFileName;
category = initCategory;
description = initDescription;
dueDateTime = (GregorianCalendar)initDueDateTime.clone();
reminderInterval = (GregorianCalendar)initReminderInterval.clone();
terminatedDateTime = (GregorianCalendar)initTerminatedDateTime.clone();
message = initMessage;
status = initStatus;
compareKey = initCompareKey;
displayStyle = initDisplayStyle;
//*********************LOAD DATA FROM FILE WITH CONSTRUCTOR*****************************
public ReminderClass(DataInputStream dataInStream) throws IOException
imageFileName = dataInStream.readUTF();
category = dataInStream.readInt();
description = dataInStream.readUTF();
message = dataInStream.readUTF();
dueDateTime = new GregorianCalendar(dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt());
reminderInterval = new GregorianCalendar(dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt());
terminatedDateTime = new GregorianCalendar(dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt(), dataInStream.readInt());
displayStyle = dataInStream.readInt();
compareKey = dataInStream.readInt();
status = dataInStream.readUTF();
//********************SAVE DATA TO FILE***************************
public void write(DataOutputStream dataOutStream) throws IOException
dataOutStream.writeUTF(imageFileName);
dataOutStream.writeInt(category);
dataOutStream.writeUTF(description);
dataOutStream.writeUTF(message);
dataOutStream.writeInt(dueDateTime.get(Calendar.YEAR));
dataOutStream.writeInt(dueDateTime.get(Calendar.MONTH));
dataOutStream.writeInt(dueDateTime.get(Calendar.DAY_OF_MONTH));
dataOutStream.writeInt(dueDateTime.get(Calendar.HOUR));
dataOutStream.writeInt(dueDateTime.get(Calendar.MINUTE));
dataOutStream.writeInt(dueDateTime.get(Calendar.SECOND));
dataOutStream.writeInt(reminderInterval.get(Calendar.YEAR));
dataOutStream.writeInt(reminderInterval.get(Calendar.MONTH));
dataOutStream.writeInt(reminderInterval.get(Calendar.DAY_OF_MONTH));
dataOutStream.writeInt(reminderInterval.get(Calendar.HOUR));
dataOutStream.writeInt(reminderInterval.get(Calendar.MINUTE));
dataOutStream.writeInt(reminderInterval.get(Calendar.SECOND));
dataOutStream.writeInt(terminatedDateTime.get(Calendar.YEAR));
dataOutStream.writeInt(terminatedDateTime.get(Calendar.MONTH));
dataOutStream.writeInt(terminatedDateTime.get(Calendar.DAY_OF_MONTH));
dataOutStream.writeInt(terminatedDateTime.get(Calendar.HOUR));
dataOutStream.writeInt(terminatedDateTime.get(Calendar.MINUTE));
dataOutStream.writeInt(terminatedDateTime.get(Calendar.SECOND));
dataOutStream.writeInt(displayStyle);
dataOutStream.writeInt(compareKey);
//dataOutStream.writeUTF(status);
public void clearFields()
numImages = 0;
imageFileName = "";
category = -1;
description = "";
message = "";
dueDateTime = new GregorianCalendar();
reminderInterval = new GregorianCalendar();
terminatedDateTime = new GregorianCalendar();
displayStyle = -1;
status = "";
compareKey = -1;
//************* OVERRIDE clone METHOD***********************
public Object clone()
ReminderClass c = new ReminderClass();
try
c = ((ReminderClass)super.clone());
c.setImageArray(imageArray);
c.setImagePathArray(imagePathArray);
c.imageFileName = (String)imageFileName;
c.category = (int)category;
c.description = (String)description;
c.message = (String)message;
c.status = (String)status;
c.compareKey = (int)compareKey;
c.displayStyle = (int)displayStyle;
c.dueDateTime = (GregorianCalendar)(dueDateTime.clone());
c.reminderInterval = (GregorianCalendar)(reminderInterval.clone());
c.terminatedDateTime = (GregorianCalendar)(terminatedDateTime.clone());
catch (CloneNotSupportedException e)
System.out.println("Fatal Error: " + e.getMessage());
System.exit(1);
return c;
//**************** OVERRIDE toString METHOD*************************
public String toString()
String s = new String();
s = description;
if (showCategory)
s = s + "," + CategoryConversion.categories[category];
if (showImageName)
s = s + "," + "'" + imageFileName + "'";
if (showMessage)
s = s + "," + message;
if (showStatus)
s = s + "," + status;
if (showDueDateTime)
s = s + ", " + dueDateTime.get(Calendar.MONTH);
s = s + "/" + dueDateTime.get(Calendar.DAY_OF_MONTH);
s = s + "/" + dueDateTime.get(Calendar.YEAR);
s = s + " " + dueDateTime.get(Calendar.HOUR);
s = s + ":" + dueDateTime.get(Calendar.MINUTE);
s = s + ":" + dueDateTime.get(Calendar.SECOND);
if (showReminderInterval)
s = s + ", " + reminderInterval.get(Calendar.MONTH);
s = s + "/" + reminderInterval.get(Calendar.DAY_OF_MONTH);
s = s + "/" + reminderInterval.get(Calendar.YEAR);
s = s + " " + reminderInterval.get(Calendar.HOUR);
s = s + ":" + reminderInterval.get(Calendar.MINUTE);
s = s + ":" + reminderInterval.get(Calendar.SECOND);
if (showTerminatedDateTime)
s = s + ", " + terminatedDateTime.get(Calendar.MONTH);
s = s + "/" + terminatedDateTime.get(Calendar.DAY_OF_MONTH);
s = s + "/" +terminatedDateTime.get(Calendar.YEAR);
s = s + " " + terminatedDateTime.get(Calendar.HOUR);
s = s + ":" + terminatedDateTime.get(Calendar.MINUTE);
s = s + ":" + terminatedDateTime.get(Calendar.SECOND);
return s;
//******************COMPARE TO OBJECT*********************************
public int compareTo(Object r)
ReminderClass x;
x = (ReminderClass)r;
if (
(x.getCategory() == this.category)
&& (x.getDescription().equals(this.description))
&& (x.getMessage().equals(this.message))
&& (x.getImageFileName().equals(this.imageFileName))
&& (x.getDueDateTime().equals(this.dueDateTime))
&& (x.getReminderInterval().equals(this.reminderInterval))
&& (x.getTerminatedDateTime().equals(this.terminatedDateTime))
return 0;
else
return 1;
//*************** ACCESSORS AND MUTATORS INCLUDING DISPLAY STYLE*******
public void setDisplayStyle(int newDisplayStyle)
displayStyle = newDisplayStyle;
public int getDisplayStyle()
return displayStyle;
public int getCompareKey()
return compareKey;
public void setCompareKey(int newCompareKey)
compareKey = newCompareKey;
public int getCategory()
return category;
public void setImageFileName(String newFileName)
imageFileName = newFileName;
public String getImageFileName()
return imageFileName;
public void setCategory(int newCategory)
category = newCategory;
public String getDescription()
return description;
public void setDescription(String newDescription)
description = newDescription;
public void setImageArray(String[] array)
imageArray = new String[20];
for (int n = 0; n<array.length; n++)
imageArray[n] = array[n];
public void setImagePathArray(String[] array)
imagePathArray = new String[20];
for (int n = 0; n<array.length; n++)
imagePathArray[n] = array[n];
public String getImagePathArray(int index)
return imagePathArray[index];
public void populateComboBox(JComboBox jcb)
for (int n = 0; n<numImages; n++)
jcb.addItem(imageArray[n]);
public void addImageToArray(String s)
imageArray[numImages] = s;
numImages++;
public String getMessage()
return message;
public void setMessage(String newMessage)
message = newMessage;
public GregorianCalendar getDueDateTime()
return dueDateTime;
public void setDueDateTime(int newYear, int newMonth, int newDay, int newHours, int newMins,
int newSecs)
dueDateTime = new GregorianCalendar(newYear, newMonth, newDay, newHours, newMins, newSecs);
public GregorianCalendar getReminderInterval()
return reminderInterval;
public void setReminderInterval(int newYear, int newMonth, int newDay, int newHours, int newMins,
int newSecs)
reminderInterval = new GregorianCalendar(newYear, newMonth, newDay, newHours, newMins, newSecs);
public GregorianCalendar getTerminatedDateTime()
return terminatedDateTime;
public void setTerminatedDateTime(int newYear, int newMonth, int newDay, int newHours, int newMins,
int newSecs)
terminatedDateTime = new GregorianCalendar(newYear, newMonth, newDay, newHours, newMins, newSecs);
public String getStatus()
return status;
public void setStatus(String selection)
status = selection;
static public void setShowDate(boolean state)
showDate = state;
static public boolean getShowDate()
return showDate;
static public void setShowCategory(boolean state)
showCategory = state;
static public boolean getShowCategory()
return showCategory;
static public void setShowImageName(boolean state)
showImageName = state;
statYou don't really expect us to read through 300 lines of code do you?
If you need further help then you need to create a [url http://homepage1.nifty.com/algafield/sscce.html]Short, Self Contained, Compilable and Executable, Example Program that demonstrates the incorrect behaviour, because I can't guess exactly what you are doing based on the information provided.
And don't forget to use the [url http://forum.java.sun.com/help.jspa?sec=formatting]Code Formatting Tags so the code retains its original formatting.
In the meantime I suggest you read the Swing tutorial on [url http://java.sun.com/docs/books/tutorial/uiswing/components/combobox.html]How to Use Combo Boxes for a working example that does exactly what you want. -
Hi all:
I have been reading messages about combos and borders, but did not found an answer, so, here it is the question:
I want a JComboBox that, when not active, does not show any border.
For the moment, thanks to uiDefaults.put( "Button.border", lineBorder) I have just removed the border in the arrow button. But the selected item label, displayed by a javax.swing.CellRendererPane, still paints a compound border.
Any help?Yes, that's right.
Following your suggestions I have reached the simplest, I hope, solution. I do not like it very much, because it requires overriding a UI class so future improvements to that class, OK just the method overridden, will not be noticed. But for the moment, it is the only thing I have.
The solution:
1.- Register a new ComboBoxUI
UIDefaults uiDefaults = UIManager.getDefaults();
uiDefaults.put( "ComboBoxUI" , "es.shin.plaf.metal.LightMetalComboBoxUI");2.- class LightMetalComboBoxUI
package es.shin.plaf.metal;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.Rectangle;
import javax.swing.JComponent;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.metal.MetalComboBoxUI;
import javax.swing.plaf.metal.MetalLookAndFeel;
* @author jroman
public class LightMetalComboBoxUI extends MetalComboBoxUI
public static ComponentUI createUI( JComponent c)
return new LightMetalComboBoxUI();
@Override
public void paintCurrentValueBackground
( Graphics g, Rectangle bounds, boolean hasFocus)
if ( g == null || bounds == null )
throw new NullPointerException(
"Must supply a non-null Graphics and Rectangle");
g.setColor( Color.LIGHT_GRAY);
g.drawRect( bounds.x, bounds.y, bounds.width, bounds.height - 1);
// This is the inner rectangle that makes the border of the label of size 2.
// I do not paint it, since I want a lighter label.
// g.setColor( MetalLookAndFeel.getControlShadow());
// g.drawRect( bounds.x + 1, bounds.y + 1, bounds.width - 2, bounds.height - 3);
if ( hasFocus && !isPopupVisible( comboBox) && arrowButton != null)
g.setColor( listBox.getSelectionBackground());
Insets buttonInsets= arrowButton.getInsets();
if ( buttonInsets.top > 2 )
g.fillRect( bounds.x + 2, bounds.y + 2, bounds.width - 3, buttonInsets.top - 2);
if ( buttonInsets.bottom > 2 )
g.fillRect( bounds.x + 2, bounds.y + bounds.height - buttonInsets.bottom, bounds.width - 3,
buttonInsets.bottom - 2);
}I hope this serves to someone...
Cheers. -
Filtering the rows of a JTable based on JCombobox selection
Hi,,,
I write an application where I have a combobox contains the JTable first column data when i click on the item it should give me the rows, which contains the selected item as their first column data. I am enable to get the list like that, please, help me in this.........................................
Thanks In Advance,
Sun_sgrkHi Albert,
I write the code like this.............., please, check it, if I am following any where wrong let me know.......
JComboBox filterCb=(JComboBox)evt.getSource();
if(filterCb==filterComboBox){
for(int i=0;i<wtOb.length;i++){
for(int j=0;j<4;j++){
if(wtOb[0].toString()==filterComboBox.getSelectedItem())
System.out.println(""+wtOb[i][j]);
This code I written in netbeans, when I am printing the values of wtOb[i][j] in console its getting the rows, suppose I am selecting the topic as GeneralTopic then its givining me the output as-----
GeneralTopic
Dealer5
Player3
BlackJack2
GeneralTopic
Dealer7
Player6
BlackJack
but I am getting the trouble when i want to show these rows only in my table, please, give me any suggestion or any help to resolve it. I tried with table.setModel also but its not working.
Regards,
sun_sgrk -
How to veto a JComboBox selection change in ItemListener
I have a JComboBox whose current value is tied to some data cached in my application. I want to be able to examine the selection in an ItemListener attached to the JComboBox, and if the value is different than what I have cached, I want to ask the user if they really want to change because the change will render some other data as no longer valid. If the user wants to abandon the change, then I want to "abandon" or "veto" the selection change and reset it to the old value.
For instance, if the combo box has values "Foo" and "Bar" in it, and "Foo" is the cached selection, then the user goes and changes the selection to "Bar", I want to prompt them with something like "You have changed the value to Bar. Doing so will render XXX no longer valid. Do you want to continue?" -- if they cancel the change, then leave the selection as "Foo".
What is the best way to do this within ItemListener's itemStateChanged? Are there better ways to do this besides what I've outlined? I didn't see anything in "Core JFC" book or the JDK documentation that discussed this sort of thing.
Thanks in advance,
EricHi,
It is a design problem and not realy a language problem... The way I create vetoing design it that a keep the previous selection of the JComboBox... upon action I look if the application can do the new computation...if not...ask the user... if true| run calculations if not set the JComboBox to the previous selection...
JRG -
JComboBox selection and highlight problem of the selected item
Hi,
I have a question how can I make my newly added item to the combo-box selectable and highlighted. I am adding new items to my custom comboBox dynamically and I want whatever item I add to be selected by default. I am using my own custom ComboBoxModel that extends AbstractListModel and implements ComboBoxModel and TreeModelListener, and my custom Renderer that extends JLabel and implements ListCellRenderer. Because I am trying to get a tree structure in my comboBox model and that's why I have my own custom model and renderer. Now when I add a new node or item to my comboBox it is being added and shown in the combo-box textField, but as soon I pull down the combo-box my parent directory is selected though my current selection is the last node added. That's how I am adding new nodes and making it selectable
treeModel.insertNodeInto(tempNode, (DefaultMutableTreeNode)nodeCollection.lastElement(), 0);
int nodeTotal =((CMRGlobals.myTreeGlobals).getModel()).getSize();
Object lastNode = CMRGlobals.myTreeGlobals).getModel()).getElementAt(nodeTotal - 1);
((CMRGlobals.myTreeGlobals).getModel()).setSelectedItem(lastNode);
when I do this my node is added under my parentNode and is shown in the comboBox but when I try to pull down the combo my parent node is high lighted and when I move out of the combo-box my parent node gets selected and show in the combo-box though I haven't selected it,and the contents of my last node are shown. I am just writing my own custom model that simulates the effect of JTree. I am using these......
DefaultMutableTreeNode and
DefaultTreeModel
and in my JComboBox I am setting my model as
this.setModel(new myModel(treemodel));
this.setRenderer(new myRenderer());
I am building my own FileDialog that just works like FileDialog I have all the functionality except this problem.Thanks for any help. I know I have posted this same thread yesterday but I didn't get any response hoping now may somebody can help me.Thanks againnever mind I got it
Thanks -
Hi,
I am trying to put a border on a dropdownlist. For the dropdown, I am using html:select tag. I tried giving the border using the style attribute in html:select.(<html:select style="border:1px solid red"). It does not seem to be working. Could someone help me out and guide me in the proper direction. Thanks.Are we talking java here? Or is this javascript? If javascript, you know that this is a java forum, and that the two languages are vastly different. If you're asking about java, then sorry, but I'm at a loss to help you as I've never heard of these before.
-
hi,
how can you find out the default color of the table cell renderer border?
when you select a cell in a JTable, there's (by default) a thin border drawn around it. since i use my own renderer for some columns, i need to find out the color of this border (it is differnt for different look & feels).
thanksout the defaultyou were right. thank you.
just one more thing: where can i find the names of all those properties that the UIManager uses? like the one you used "Table.focusCellHighlightBorder"... -
Hello,
I have some problem implementing events associated with JComboBox. My requirement is "the event should get fired only when an item is selected in the combobox". It may occur thet using arrow keys I can traverse all elements in the combobox and on item change the event should not get fired. I tried with itemstatechanged, actionperformed but no result.
Any help will be appreciated.
regards,
RanjanA simple working example:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
public class ComboBoxAction extends JFrame implements ActionListener
private JComboBox comboBox;
public ComboBoxAction()
comboBox = new JComboBox();
comboBox.addActionListener( this );
comboBox.addItem( "Item 1" );
comboBox.addItem( "Item 2" );
comboBox.addItem( "Item 3" );
comboBox.addItem( "Item 4" );
// This prevents action events from being fired when the
// up/down arrow keys are used on the dropdown menu
comboBox.putClientProperty("JComboBox.isTableCellEditor", Boolean.TRUE);
getContentPane().add( comboBox );
public void actionPerformed(ActionEvent e)
System.out.println( comboBox.getSelectedItem() );
// make sure popup is closed when 'isTableCellEditor' is used
comboBox.hidePopup();
public static void main(String[] args)
JFrame frame = new ComboBoxAction();
frame.setDefaultCloseOperation( EXIT_ON_CLOSE );
frame.pack();
frame.setVisible( true );
} -
To update the JComboBox selection
Hi,
I have JTable and JComboBox on a Frame. I got data into table and combo box from database. Now I want to change the combo box value depending on a JTable's row selection. I'm calling jComboBox1.getSelectedItem() , but there's changes in the JComboBox .
Please help, if you know howI mean I just want to know how can I request the selection of the combo box
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