Specific cell event of Jtable

Hi,
I've created an view object by linking up 2 tables, and placed it on the screen by Jtable,
select
a.emp_name,
a.dept_id,
b.dept_name
from
employee a,
department b;
Is it possible to write an event that will reflesh and display the "dept_name" properly after the cell dept_id has been edited ?
Thanks for helping !

int height = table.getRowHeight();
table.setRowHeight(35);in the docs dude

Similar Messages

How to select a specific cell in a JTable?

Hi there,
in a JTable, I would like to select a specific cell (to highlight it) from a JButton.
Here a sample code...
Who could help me to fill it?
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import java.awt.event.*;
public class TableSelection{
    public static void main (String args[]) {
      JFrame frame = new MyFrame();
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.show();
class MyFrame extends JFrame{
public MyFrame(){
    setTitle("TableSelection");
    setSize(WIDTH,HEIGHT);
    DefaultTableModel myModel = new DefaultTableModel(2,2);
    JTable myTable = new JTable(myModel);
    myTable.setCellSelectionEnabled(true);
    JButton button00 = new JButton("select 0,0");
    button00.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent event){
     System.out.println("selection of cell (0,0)");
     //--- what code is required to select the cell(0,0)?
    JButton button11 = new JButton("select 1,1");
    button11.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent event){
     System.out.println("selection of cell (1,1)");
     //--- what code is required to select the cell(1,1)?
    Box myBox = new Box(BoxLayout.Y_AXIS);
    myBox.add(new JScrollPane(myTable));
    myBox.add(button00);
    myBox.add(button11);
    getContentPane().add(myBox, BorderLayout.CENTER);
private static final int WIDTH=200;
private static final int HEIGHT=200;
}Thanks a lot for your help.
Denis

Use the addColumnSelectionInterval(int index1, int index2)method ~ http://java.sun.com/j2se/1.4/docs/api/javax/swing/JTable.html#addColumnSelectionInterval(int,%20int)
and the addRowSelectionInterval(int index1, int index2) method ~ http://java.sun.com/j2se/1.4/docs/api/javax/swing/JTable.html#addRowSelectionInterval(int,%20int)
Hope that helped.
afotoglidis

Formatting a specific cell

how do i format a specific cell in a JTable? help pls

You can start with the following example:
class MyTable extends JTable {
    // other constructors and methods are omited
    private TableCellRenderer specialCellRenderer = ...
    public TableCellRenderer getCellRenderer(int row, int column) {
        // first check if this is called for the cell you are intrested in
        if (row == ... && column ==...) {
            return specialCellRenderer;
        } else {
            return super.getCellRenderer(row, column);
}For examples how to write you custom cell renderer take a look at http://java.sun.com/docs/books/tutorial/uiswing/components/table.html#renderer

Set color of specific cells in JTable.

I have a JTable where I want to set the color for specific cells. Is this possible to do, and if so, how?

Well, one way is to create a custom renderer that know the background color of each cell in the table. The Swing tutorial on [url http://java.sun.com/docs/books/tutorial/uiswing/components/table.html#renderer]How to Use Table has an example you might be able to build on.
Or, this posting may give you another approach. The key to both solutions is to somehow specify the color for every cell:
http://forum.java.sun.com/thread.jspa?forumID=57&threadID=610474

How to make a cell in a JTable to be uneditable and handle events

I tried many things but failed,How do you make a cell in a JTable to be uneditable and also be able to handle events>Anyone who knows this please help.Thanx

Hello Klaas2001
You can add KeyListener ,MouseListener
Suppose you have set the value of cell using setValueAt()
table.addKeyListener(this);
public void keyTyped(KeyEvent src)
String val="";
int r= table.getEditingRow();
int c= table.getEditingColumn();
val=table.getValueAt(r,c).toString();
if (r!=-1 && c!=-1)
TableCellEditor tableCellEditor = table.getCellEditor(r, c);
tableCellEditor.stopCellEditing();
table.clearSelection();
table.setValueAt(val,r,c);
public void keyReleased(KeyEvent src)
public void keyPressed(KeyEvent src)
table.addMouseListener(this);
public void mouseClicked(MouseEvent e)
public void mouseEntered(MouseEvent e)
public void mouseExited(MouseEvent e)
public void mousePressed(MouseEvent e)
public void mouseReleased(MouseEvent e)
if(e.getClickCount()>=2)//Double Click
table.clearSelection();
int r= table.getEditingRow();
int c= table.getEditingColumn();
if (r!=-1 && c!=-1)
TableCellEditor tableCellEditor = table.getCellEditor (
r,c);
tableCellEditor.stopCellEditing();
table.clearSelection();
table.setValueAt("",r,c);
}//Mouse Released
You can remove keyListener and Mouse Listener whenever You want to edit
then add it later.
Regarding handling events implement javax.swing.event.TableModelListener
table.getModel().addTableModelListener(this);
public void tableChanged(javax.swing.event.TableModelEvent source)
TableModel tabMod = (TableModel)source.getSource();
     switch (source.getType())
case TableModelEvent.UPDATE:
     break;
     }//Table Changed Method
//This method gets fired after table cell value is changed.

FocusLost event for JTable during cell editing

When a cell in a JTable is getting edited, how can I get notified of the focusLost event? I added the focus listener using JTable.addFocusListener, but the focusLost of the listener is not called when a cell inside the table is getting edited (it works fine otherwise). I am aware of the client property terminateEditOnFocusLost to solve this problem in 1.4 but I can't use it since I am still on 1.3.1_04.
Suggestions welcome.

http://forum.java.sun.com/thread.jsp?forum=57&thread=431440

Import a CSV file into specific cells

Hello,
I have created a simple Numbers template and I want to import a csv file with its values entering specific cells in an automated way.
I think the best way to automate this process would be an AppleScript that does the following:
Selects the csv file;
Parses the values inserting them into the the Numbers template i.e. value1 to cell B2, value2 to cell B3 etc.
Unfortunately I know very little about AppleScript, does anyone have any experience in this area that they could pass on?
My idea would be to place the csv values in an array, and loop through the array entering the values in B2, B3 etc.
Many thanks in advance!
Dougie

Here is a script doing the full job in a single call.
--{code}
--[SCRIPT csv-to-selected-cell]
Enregistrer le script en tant que Script : csv-to-selected-cell.scpt
déplacer le fichier ainsi créé dans le dossier
<VolumeDeDémarrage>:Utilisateurs:<votreCompte>:Bibliothèque:Scripts:Applications :Numbers:
Il vous faudra peut-être créer le dossier Numbers et peut-être même le dossier Applications.
Sélectionner la première cellule du bloc où vous souhaitez insérer les valeurs extraites d'un fichier CSV.
Aller au menu Scripts , choisir Numbers puis choisir “csv-to-selected-cell”
Le script demande de naviquer jusqu’au fichier CSV.
Il en lit le contenu,
remplace les séparateurs (";" ou ",") par des TABs
copie les données dans le presse-papiers
colle dans la table.
--=====
L’aide du Finder explique:
L’Utilitaire AppleScript permet d’activer le Menu des scripts :
Ouvrez l’Utilitaire AppleScript situé dans le dossier Applications/AppleScript.
Cochez la case “Afficher le menu des scripts dans la barre de menus”.
Sous 10.6.x,
aller dans le panneau “Général” du dialogue Préférences de l’Éditeur Applescript
puis cocher la case “Afficher le menu des scripts dans la barre des menus”.
--=====
Save the script as a Script: csv-to-selected-cell.scpt
Move the newly created file into the folder:
<startup Volume>:Users:<yourAccount>:Library:Scripts:Applications:Numbers:
Maybe you would have to create the folder Numbers and even the folder Applications by yourself.
Select the first cell of the block where values extracted from a CSV file must be inserted.
Go to the Scripts Menu, choose Numbers, then choose “csv-to-selected-cell”
The script urge you to navigate to the CSV file.
It read its contents,
replace the delimiters (";" or ",") by TAB chars
copy the datas in the clipboard
paste in the table.
--=====
The Finder’s Help explains:
To make the Script menu appear:
Open the AppleScript utility located in Applications/AppleScript.
Select the “Show Script Menu in menu bar” checkbox.
Under 10.6.x,
go to the General panel of AppleScript Editor’s Preferences dialog box
and check the “Show Script menu in menu bar” option.
--=====
Yvan KOENIG (VALLAURIS, France)
2012/01/18
--=====
on run
          local dName, sName, tName, rowNum1, colNum1, rowNum2, colNum2, lesValeurs
          my activateGUIscripting()
Extract parameters describing the target cell *)
          set {dName, sName, tName, rowNum1, colNum1, rowNum2, colNum2} to my get_SelParams()
Choose the source CSV file *)
choose file of type {"csv"}
Get the file’s contents *)
          set lesValeurs to read result
Grab the delimiter in use *)
          if lesValeurs contains ";" then
          else
          end if
Replace the delimiter in use by TAB *)
          my remplace(lesValeurs, result, tab)
Move the 'normalized' datas to the clipboard *)
set the clipboard to result
Reset the target cell in case something changed *)
          tell application "Numbers" to tell document dName to tell sheet sName to tell table tName
                    set selection range to range (name of cell colNum1 of row rowNum1)
          end tell
Paste matching style *)
          my raccourci("Numbers", "v", "cas")
end run
--=====
set { dName, sName, tName, rowNum1, colNum1, rowNum2, colNum2} to my get_SelParams()
tell application "Numbers" to tell document dName to tell sheet sName to tell table tName
on get_SelParams()
          local d_Name, s_Name, t_Name, row_Num1, col_Num1, row_Num2, col_Num2
          tell application "Numbers" to tell document 1
                    set d_Name to its name
                    set s_Name to ""
                    repeat with i from 1 to the count of sheets
                              tell sheet i to set maybe to the count of (tables whose selection range is not missing value)
                              if maybe is not 0 then
                                        set s_Name to name of sheet i
                                        exit repeat
                              end if -- maybe is not 0
                    end repeat
                    if s_Name is "" then
                              if my parleAnglais() then
                                        error "No sheet has a selected table embedding at least one selected cell !"
                              else
                                        error "Aucune feuille ne contient une table ayant au moins une cellule sélectionnée !"
                              end if
                    end if
                    tell sheet s_Name to tell (first table where selection range is not missing value)
                              tell selection range
                                        set {top_left, bottom_right} to {name of first cell, name of last cell}
                              end tell
                              set t_Name to its name
                              tell cell top_left to set {row_Num1, col_Num1} to {address of its row, address of its column}
                              if top_left is bottom_right then
                                        set {row_Num2, col_Num2} to {row_Num1, col_Num1}
                              else
                                        tell cell bottom_right to set {row_Num2, col_Num2} to {address of its row, address of its column}
                              end if
                    end tell -- sheet…
                    return {d_Name, s_Name, t_Name, row_Num1, col_Num1, row_Num2, col_Num2}
          end tell -- Numbers
end get_SelParams
--=====
on parleAnglais()
          local z
          try
                    tell application "Numbers" to set z to localized string "Cancel"
          on error
                    set z to "Cancel"
          end try
          return (z is not "Annuler")
end parleAnglais
--=====
on decoupe(t, d)
          local oTIDs, l
          set oTIDs to AppleScript's text item delimiters
          set AppleScript's text item delimiters to d
          set l to text items of t
          set AppleScript's text item delimiters to oTIDs
          return l
end decoupe
--=====
replaces every occurences of d1 by d2 in the text t
on remplace(t, d1, d2)
          local oTIDs, l
          set oTIDs to AppleScript's text item delimiters
          set AppleScript's text item delimiters to d1
          set l to text items of t
          set AppleScript's text item delimiters to d2
          set t to "" & l
          set AppleScript's text item delimiters to oTIDs
          return t
end remplace
--=====
on activateGUIscripting()
(* to be sure than GUI scripting will be active *)
          tell application "System Events"
                    if not (UI elements enabled) then set (UI elements enabled) to true
          end tell
end activateGUIscripting
--=====
==== Uses GUIscripting ====
This handler may be used to 'type' text, invisible characters if the third parameter is an empty string.
It may be used to 'type' keyboard raccourcis if the third parameter describe the required modifier keys.
I changed its name « shortcut » to « raccourci » to get rid of a name conflict in Smile.
on raccourci(a, t, d)
          local k
activate application a
          tell application "System Events" to tell application process a
                    set frontmost to true
                    try
                              t * 1
                              if d is "" then
key code t
                              else if d is "c" then
key code t using {command down}
                              else if d is "a" then
key code t using {option down}
                              else if d is "k" then
key code t using {control down}
                              else if d is "s" then
key code t using {shift down}
                              else if d is in {"ac", "ca"} then
key code t using {command down, option down}
                              else if d is in {"as", "sa"} then
key code t using {shift down, option down}
                              else if d is in {"sc", "cs"} then
key code t using {command down, shift down}
                              else if d is in {"kc", "ck"} then
key code t using {command down, control down}
                              else if d is in {"ks", "sk"} then
key code t using {shift down, control down}
                              else if (d contains "c") and (d contains "s") and d contains "k" then
key code t using {command down, shift down, control down}
                              else if (d contains "c") and (d contains "s") and d contains "a" then
key code t using {command down, shift down, option down}
                              end if
                    on error
                              repeat with k in t
                                        if d is "" then
keystroke (k as text)
                                        else if d is "c" then
keystroke (k as text) using {command down}
                                        else if d is "a" then
keystroke k using {option down}
                                        else if d is "k" then
keystroke (k as text) using {control down}
                                        else if d is "s" then
keystroke k using {shift down}
                                        else if d is in {"ac", "ca"} then
keystroke (k as text) using {command down, option down}
                                        else if d is in {"as", "sa"} then
keystroke (k as text) using {shift down, option down}
                                        else if d is in {"sc", "cs"} then
keystroke (k as text) using {command down, shift down}
                                        else if d is in {"kc", "ck"} then
keystroke (k as text) using {command down, control down}
                                        else if d is in {"ks", "sk"} then
keystroke (k as text) using {shift down, control down}
                                        else if (d contains "c") and (d contains "s") and d contains "k" then
keystroke (k as text) using {command down, shift down, control down}
                                        else if (d contains "c") and (d contains "s") and d contains "a" then
keystroke (k as text) using {command down, shift down, option down}
                                        end if
                              end repeat
                    end try
          end tell
end raccourci
--=====
--[/SCRIPT]
--{code}
Yvan KOENIG (VALLAURIS, France) mercredi 18 janvier 2012
iMac 21”5, i7, 2.8 GHz, 12 Gbytes, 1 Tbytes, mac OS X 10.6.8 and 10.7.2
My Box account is : http://www.box.com/s/00qnssoyeq2xvc22ra4k
My iDisk is : http://public.me.com/koenigyvan

Removing specific cells from different columns.

Hi friends,
My requirement is somewhat peculiar. I dont know anyone have already implemented that.
I have 4 columns, 11 rows in my JTable.
Now i want to display all the 11 rows (i.e to be specific cells ) for first two columns, and just 8 for the next two columns..
Kind of incomplete table. Does anyone have any idea? please help me... This may be weird , but i need it.
Sankar.

try this with some change to suit you
written a renderer to remove a cell, hope this is what you need.
public class CellRemoveRenderer implements TableCellRenderer {
     private JLabel label;
     DefaultTableCellRenderer defaultRenderer = new DefaultTableCellRenderer();
     public Component getTableCellRendererComponent(JTable table, Object value,
               boolean isSelected, boolean hasFocus, int row, int column) {
          if (row == table.getRowCount() - 1) {
               return label;
          } else {
               return defaultRenderer.getTableCellRendererComponent(table, value,
                         isSelected, hasFocus, row, column);
}apply this to table
table.getColumnModel().getColumn(table.getColumnCount() - 1)
                    .setCellRenderer(new CellRemoveRenderer());i hope this ends your problem.

Select specific cell

I have a JTable, and I'd like to select a specific cell. I know the value of that cell, but I need to select it. Is there any way to select either a specific row and column, or a specific value?

Basically, make ensure the following calls are made on your table
JTable table = new JTable();
table.setRowSelectionAllowed(true);
table.setColumnSelectionAllowed(true);
//now select the cell
table.setRowSelectionInterval(cellIndex,cellIndex);
table.setColumnSelectionInterval(cellIndex, cellIndex);ICE

HELP!! set the cell color in jTable

I need to set the color of a specific cell in jTable, but, I need to retain the old color in the jTable. It must not reset the whole table.
would anyone help me in this problem... PLSSSSS its urgent

A flexible variation on this is to specify formatting options in the JTable's client properties:
// Use some sort of special "key" to indicate the cell and that you want to set the background color
String key = "background:" + row + "," + column;
table.putClientProperty(key, Color.green);You can then write a general table cell renderer that looks for these special formatting options and it doesn't disrupt your existing TableModel in any way:
public class FormattingTableCellRenderer extends DefaultTableCellRenderer
public Component getTableCellRendererComponent(JTable table, Object value, int row, int column, ...)
    Component component = super.getTableCellRendererComponent(table, value, row, column, ...);
    // See if the JTable specifies any properties to override the default format
    Color backgroundColor = (Color)table.getClientProperty("background:" + row + "," + column);
    if(backgroundColor != null)
      component.setBackground(backgroundColor);
    return component;
}Any custom cell renderers you have then simply need to extend FormatTableCellRenderer instead of DefaultTableCellRenderer.
It's very easy to add formatting options other than background, such as font, to the list of recognised attributes. You'll probably need to make some alterations to get it to recognise selection/focus but hopefully you get the idea.
Hope this helps.

Cell rendering to specific cell

Does anyone know how to render specific cells once a button is clicked. I do not want to render all the column or row but only certain cells.

First of all quit posting multiple question on the same topic. How are people supposed to know what has already been suggested when you keep starting new postings?
sorry, it does not extend the abstract table model. Is there any other options pls? I'll bet you it does. Why on earth would you attempt to write your own TableModel without extending AbtractTableModel. Maybe you are extending DefaultTableModel, which in turn extends AbtractTableModel.
Anyway, that is not the problem. Firing the event only tells the table to repaint a cell. It does not tell the table how to paint the cell. You need to have custom code in your renderer that knows what color to paint the cell. Just clicking on a button doesn't magically cause the cell to be painted a different color.
Maybe something like this will get you started:
http://forum.java.sun.com/thread.jspa?forumID=57&threadID=606504

How to print a specific cell in numbers

how to print a specific cell in numbers?

Copy the cell (contents), Paste onto a page of a separate document, or onto a separate sheet of your Numbers document, Print.
Or insert a single cell table onto your Numbers document, type an = sign in the cell then click on the cell you want to print. Drag the new table to a second sheet, set up your page there, and print.
See the Numbers '09 User Guide for other useful tools and techniques. Download the guide via the Help menu in Nuimbers.
Regards,
Barry

Getting right end of text displayed in cells of a JTable column

Hey All,
Platform: WinXP, Java 5.0.
I have a simple one-column table whose cells contain pathnames of user-selected files. The pathnames may be quite long, and when they're too long for the fixed width of the column (the containing JFrame is not resizable), I want the trailing (right) end of the pathnames to visible (so the filenames are visible) and for elipsis to be used on the left side (omitting root directory, etc., if need be). I can't figure out how to do this. I've tried many different approaches. Currently I use a class that extends TableCellRenderer, but no combination of alignment settings in this class seems to do the trick.
I've noticed that in the case of JTextFields, this manner of display seems to be the default, no matter what alignment setting I choose. I can't seem to get the desired effect with the display of cells in my JTable though.
Anyone have any suggestions?
Thanks in advance.

Great job camickr,
That did just what I wanted; you get the points for sure! I will say that It's surprising to me that Swing leaves so much work in calculation to be done for this simple idea.
Btw, I also want to mention here that there's another forum issue I raised and you responded to recently, and you never quite answered my question there:
http://forum.java.sun.com/thread.jspa?forumID=57&threadID=5160875
That's got 10 pts riding on it too, if you care to revisit the issue...
Thanks very much for the good work on the CellRenderer.

How do I name a specific cell in Numbers 3.2.2?

I am working with a multi-table spreadsheet and I want to create a table of variables that are used in a specific formula throughout the spreadsheet. For example, here is the formula I'm working on:
=IF(C32≥321,"23",IF(C32≥281,"19",IF(C32≥241,"17",IF(C32≥201,"15",IF(C32≥161,"13" ,IF(C32≥121,"11",IF(C32≥80,"09","")))))))
Yes, all you database builders out there, it's a wacky way to spreadsheetize an IF, THEN, OR statement - fortunately, I'm only working with numbers. What I want to do is replace the cell values and the "then" result numbers with references from another table. I can't just link to the specific cell by clicking (resulting in something like "<table>::<cell>") because the formula builder spits it out claiming there are too many arguments. Here is an example of what I'm getting at if you replace the first number in each statement with a cell name like "R_1" and the calculated displayed value as "V_1":
=IF(C32≥R_1,"V_1",IF(C32≥R_2,"V_2",IF(C32≥R_3,"V_#",IF(C32≥R_4,"V_4",IF(C32≥R_5, "V_5",IF(C32≥R_6,"V_6",IF(C32≥R_7,"V_7","")))))))
Right now, I have to manually make changes to the formula in one cell then copy it across the other cells in the different tables. I'd much rather have the formula reference specific cells in a variable table so that I can update the values globally. In the "help" for Numbers, it states:
"If the reference is to a cell in another table, the reference must contain the name of the table (unless the cell name is unique within all tables). For example:
=Table 2::B2
Note that the table name and cell reference are separated by a double colon (::). The name of the table is automatically included when you select a cell in another table while building a formula.
If the reference is to a cell in a table in another sheet, the sheet name must also be included (unless the cell name is unique within all the sheets)." (emphasis mine)
However, I can't find any documentation to instruct me on how to create a unique cell name. Any advice?

Hi coop,
coop1108 wrote:
IF, THEN, OR
I think of the IF function as IF(this is true, THEN do this, ELSE do that)
From the Function Browser: type = in any cell, then type 'if' (no quotes) in the search box.
The IF function returns one of two values, depending on whether a specified expression evaluates to a boolean value of TRUE or FALSE.
IF(if-expression, if-true, if-false)
if-expression: A logical expression. if-expression can contain anything as long as the expression can be evaluated as a boolean value. If the expression evaluates to a number, 0 is considered to be FALSE, and any other number is considered to be TRUE.
if-true: The value returned if if-expression is TRUE. if-true can containany value. If if-true is omitted (there’s a comma, but no value) and if-expressionevaluates to TRUE, IF will return 0.
if-false: An optional argument specifying the value returned if if-expression is FALSE. if-false can contain any value. If if-false is omitted (there’s a comma, but no value) and if-expressionevaluates to FALSE, IF will return 0. If if-false is entirely omitted (there’s no comma after if-true) and if-expressionevaluates to FALSE, IF will return FALSE.
Or more to the point,
IF it is sunny, THEN have a picnic, ELSE stay in bed.
Call back with further questions. Maybe a LOOKUP function will work for you.
Regards,
Ian.

How do I change the colour of text in a cell in a JTable?

I am trying to change the color of the text in a single cell in a JTable. I have tried not adding a cell renderer and it changes the colour of text in all cells.
I have tried adding a cell renderer to the table and it does the same ie all cells text colour changes.
I am able to add a cell renderer to a column and it changes all the cells in the column.
I cannot figure out how to change just one single cell's text colour without effecting the other cells.

Ok, so if i create my own cell renderer do I set it as the default renderer for the whole table i.e.
table.setDefaultRenderer(MyCellRenderer, renderer);
Does this set one cell renderer for the whole table or is there an individual one for each cell?

Specific cell event of Jtable

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