Model « JTable « Java Swing Q&A





1. Empty model, empty table    stackoverflow.com

I have a JTable as a viewer of a model that I have created. I can insert and remove columns and rows from this model. The problem is that when my ...

2. Associate model class with entire row in JTable    stackoverflow.com

How can I associate my model class with entire row in JTable in order to get link to model class by row number?

3. importance of JTable model?    stackoverflow.com

What is the importance of JTable model.Does all the swing components has model associated with it.

4. Abstract table model    stackoverflow.com

I face a problem in using AbstractTableModel, i use linked list as a container for data , and i fetch records from table from db then i put it in linked ...

5. JTable add/remove rows to custom table model (updating table display)    stackoverflow.com

Does anyone have a good example of how to Add/Remove rows from a JTable using a custom table model? The issue I seem to be having is how to have ...

6. JTable data update flickering, client-server model    stackoverflow.com

I know many times already talked about this problem but for me non of them helped. I have a client-server application which communicate via sockets. The method is the following:

  1. Client make ...

7. Defining a drop down combo box within an abstract table model in java    stackoverflow.com

Can somebody please inform me as to how to define a drop down combo box as a cell within a row in an abstract table model, new to Java so really ...

8. right justify number fields within Java JTable abstract model    stackoverflow.com

Does anybody know how to centre data within a JTableabstract data model. The default seems to be to right justify.

9. Problem with insertion of row into a custom Table Model    stackoverflow.com

I have a custom table model like this.

class GrvTableModel extends AbstractTableModel {

public String[] columnNames = ["Key" , "Value" ]
public Object[][] data = []

public selectedObjArray

    //Returns the number of ...





10. Java StackOverflowError    stackoverflow.com

...
float value = Float.parseFloat((String)model.getValueAt(e.getLastRow(), 1));             
DecimalFormat dec = new DecimalFormat("#.###");
model.setValueAt(dec.format(value), e.getLastRow(), 1);
...
at the third line i'm getting the stackOverflowError ...

11. How to update a jtable model    stackoverflow.com

I have populated a JTable from file. After populating data into JTable i can edit the data but the changes i made to the data are not applied. I want the ...

12. How to progressively synchronize JTable and graph model    stackoverflow.com

I'm trying to find a more or less foolproof way to solve the following problem, and would be grateful if any of you can suggest a better way of doing the ...

13. JTable Calendar Model    stackoverflow.com

I am trying to learn to make calendar by this example. But, I have problem in this line:

CalendarModel model = new CalendarModel();
It says that CalendarModel does not exist!

14. cell model and table display    coderanch.com

I am creating a table that contains cells with different data types (text, double, integer, formatted double etc). The user can input values into these cells, and I need to come up with a way to determine if the input is correct. With textfields, I can customize the document, so it would only allow numbers or alpha values when the user ...

15. Multiple models for 1 view in JTable    coderanch.com

16. JTable with two data models ..    coderanch.com

hi, would it be wise to print the tables in another form than they appeared for the user? think about a new view "Printer friendly version" that displays the new table. this way you will show the user what your doing (gives him a chance to quit if he doesnt like it), and gives you a chance to build a new ...





17. Model for JTable    coderanch.com

18. How do I implement my own table model (using JTable)?    coderanch.com

Hello everyone, I've created an application that used JDBC etc to connect to a database and get the column names and the contents of each column for me. I had to resort to using a JTextArea to display the data, because I didn't fully understand how to implement my own TableModel. Sun's Java tutorial doesn't do a perfect job here. Most ...

19. JTable and Table Model    coderanch.com

Hello there, I just need to find a solution for the problem which i face. I have created a JTABLE and i have three user defined Table Models. I have three buttons namely CD,DVD and Books which acts as models. I dont have any problems in displaying the values in accordance with the models but when i try to edit the ...

22. jTable, Table Models, Data : Can anyone explain how to use them?    coderanch.com

Hello :-) I have a class which constructs Income Record objects. They have the following fields: incomeName, monthlyAmount. I have a jTable which needs to show Income Name and Monthly Amount as the column headers. The jTable needs to start with 1 row, empty of data. What I want is for the user to be able to create a new Income ...

23. JTable, Table Models, Vectors & Objects : Confused    coderanch.com

Hello, Can someone help me get a clear understanding of JTables. I have a TestRecord class which creates TestRecords /** *

Title: TestRecord Object

*

Description: Stores the data for an individual record

* @author D R Wilkinson * @version 1.0 */ class TestRecord { // Instance Variables String recordString = ""; int recordInt = 0; double recordDouble = 0.00; // ...

24. A problem about JTable's model    coderanch.com

25. JTable(my model is changed how do i update my view)?    coderanch.com

i re implemented the reflectAddition method as below: reflectAddition() { jTable.tableChanged(new TableModelEvent(new GeneralTableModel())); jTable.repaint(); } doesn't this method recall the constructor for my model which alreday have the new data but it still don't show the addition till i re open my whole application. wanna know how does the table knows how to get rows of data and columns.is it by ...

26. model.removeRow() from JTable    coderanch.com

Hi All, I am working on the JTable, and i am able to add, edit, delete rows from the table. But when i delete a table and then click the add, then it is not working, it is throwing ArrayIndexOutofBoundException. What i suspecting is, initially the table built with for example 5 rows, and if i delete one row, now it ...

27. JTable and Model    coderanch.com

28. Concurent access to table model in Swing    coderanch.com

I don't have much (read any) experience with TableModels and thread safety, however the documentation does not tell you the that AbstractTableModel is thread safe, nor did I find anywhere indicating that the table model gets locked for display. So my assumption would be no, this is not thread safe, and you should build your backing data store to be thread ...

29. Table model in swings    coderanch.com

Hello I want to add values in tabel..my code is public class EditableColumn { public static void main(String args[]) { TableModel model = new AbstractTableModel() { Icon icon1 = new ImageIcon("TreeCollapsed.gif"); Icon icon2 = new ImageIcon("TreeExpanded.gif"); Object rowData[][] = { { new Integer(1), "ichi", Boolean.TRUE, new Date("01/01/2000"), icon1 }, { new Integer(2), "ni", Boolean.TRUE, new Date("04/15/1999"), icon2 }, { new Integer(3), ...

30. Removing rows from a default table model    coderanch.com

Does anyone know how to remove rows from a default table model: I tried for ( int i=0; i

31. Jtable model and rendering    coderanch.com

One thing I like to know that wether I should be bothered or not about the method calls of the getValueAt(int rowIndex, int columnIndex) in the table model and the getTableCellRendererComponent () method in the renderer. I should assume that how the parameters in those method increments is solely determined by java's own UI logic during rendering. I should not be ...

32. Two Jtables with abstract table model methods    coderanch.com

Hey all, I need to display basically 3 jtables in one class using using hibernate and extending the class with abstracttablemodel. The problem is that i need to know how to use the abstract table model methods i.e getrowcount(), getcolumncount(), getvalueat() .... for all the three different jtables. Is it possible somehow? If its not the what should be the workaround ...

33. Updating Model of JTable    dbforums.com

Hello, i have a problem with a Swing GUI a JTable and a Database: I have to develop a GUI that visualizes Data records in a first step. So at first the User is asked (in a first dialog) to insert a surname or a firstname or a birthdate or male/female. When the user presses "submit" the Program accesses the Database ...

34. JTable view/model sync problem    java-forums.org

I'm using SE 1.5 and have an issue with sorting columns. The table can sort the columns fine, but when sorted, the underlying model data is now out of sync with the data viewable to the user. Thus when a user selects a row in the table view, the result that is returned in the code is the row from the ...

36. Inserting rows to jtable with custom model    java-forums.org

Hello everyone I have created a jtable with a custom model that extends defaulttablemodel. The issue is that my insertRow method does not insert a blank line for me to type the new values at the bottom. I am using a hashmap with a point variable for the key. there are no exceptions or anything, just that nothing happens (i checked ...

37. Abstract table model help adding the insert row method too it    java-forums.org

The adding of the row will all depend on what you're using as the nucleus for your AbstractTableModel's data. Knowing this, you should understand how to add a new row. The only tricks I know of are that you have to fire the most specific notification method of the model after you've added the data, in this situation that would be ...

38. Data from a model class won't show up in the table    java-forums.org

I have a simple model class that's derived from AbstractTableModel, which looks like this: Java Code: public class AddTrackModel extends AbstractTableModel { public AddTrackModel() { super(); content = new Object[10][9]; //10 rows, 9 columns for (int i = 0; i < 10; ++i) { content[i] = new Object[] { new Boolean(true), "","","","","","" }; // i'm adding data to the content array ...

39. JTable model - concepts    forums.oracle.com

42. jtables/models...    forums.oracle.com

The fireDataChanged() method sends a message to all the model's listeners saying "Hey, my data all changed". The JTable is one of those listeners so when it receives that message it acts accordingly, namely it redisplays itself. If yours isn't working correctly then (based on the problem description and the posted code) you should do something differently.