I have a Table: public class AppointmentTableModel extends AbstractTableModel { private int columns; private int rows; ArrayList<Appointment> appointments;... So each row of the table contains one Appointment. public class Appointment { private Date date; private Sample sample; private String comment; pri...
I have read and implemented this http://stackoverflow.com/questions/818287/changing-jtable-cell-color What I'd like to know is how to actually use this code? I just want to change a table cell's colour when I click on it. ...
So I have been trying to use the example from Tutorial and change it so it fits my program. The getColumnValue method returns the object that holds the information that is supposed to be displayed. Is this the way to go or should it rather return the actual String to be displayed. I guess not because that way I would mix the presentation...
Hey Guys I am doing project on java. In one of the class, I am working on jtable. Now what i am doing is, In the table data will be loaded from the database. Now i want to change some value at some exact row and column. so for that i am using jtable's setValue function. which is like this.... grayCardTbl.setValueAt(Float.valueOf(S...
I have data from a database loaded into a JTable through a custom table model. I want to have a column (should be the first column) which simply shows the display row number (i.e. it is not tied to any data (or sorting) but is simply the row number on the screen starting at 1). These "row headers" should be grayed out like the row head...
I want to create a table which displays in each row a set of data, in addition to a radio button for possible selection. This can be achieved easily by using a simple table model class which extends the DefaultTableModel and a cell renderer and editor class which implements the TableCellRenderer and TableCellEditor interfaces respective...
I hava a JFrame with multiple JPanels of similar width aligned one below other. I use one of these JPanels to display a JTable which is the last JPanel of the lot. This JPanel has a JScrollpane as a child component. This is where I try to add my table dynamically. Initial height of this JScrollpane is set to 40. I designed above templat...
Hey Guys, I have made one project in java. Now in this particular module, i am showing the user , so i am showing them a stock inventory. Now for doing this. As you will see in the screen shot [ i have put screenshot so you can understand well ]. To show the images , i have made one table and i have put labels in that and then i am setti...
Hi I'm trying to display an sqlite data table in a jtable but i have an error " sqlite is type forward only" how could I display it in a jtable try { long start = System.currentTimeMillis(); Statement state = ConnectionBd.getInstance().createStatement( ResultSet.TYPE_SC...
How can I associate my model class with entire row in JTable in order to get link to model class by row number? ...
hi how can we edit an sqlite database table from the itable it is displed in? thanks ...
Hello. I need to represent floats in jTable formatted. When I do tbl.model.add_row [obj, 1.3524632478].to_java, obj is represented as it's to_s method's return value, but float do not. Overriding float's to_s method does nothing. I want floats to be formatted like this class Float def to_s sprintf("%.2f", self) end end in...
Right now my Boolean values for my JTable display as JCheckBoxes. This would normally be fine but I would like to display them as either an alternative String or image. I can get them to display as true/false but I would like to display them as a checkmark (✔) if true and nothing if false. Possibly an image but lets do a String first......
Hello guys, i define an object: tempRes = new Object[100000][7]; now after that i fill it up till 100 rows for example. Now how to delete every object past that(from tempRes[100] too tempRes[10000]). I need this for a JTable. ...
I'm writing an application which utilises tables which can be printed if the user so desires and I wish to print a JTable filled with data, except I haven't been able to find an option to remove the formatting; the printed tables looks like it does in the GUI (based on the system theme) which is making the table less readable and using e...
Preface: I am horrible with java, and worse with java ui components. I have found several different tutorials on how to add buttons to tables, however I am struggling with adding checkboxes. I need to have a column that draws a text box ticked on default (cell renderer i think handles that), then on click of tickbox, unticks the box, re...
Hello guys, i have a table with a column that contains Boolean type. now when i try to run a program i have a problem: System.out.println(table.getColumnClass(5)); b= (Boolean)table.getValueAt(row, 5); It prints class java.lang.Boolean but also: Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException: java.lang.Str...
I have 2 windows one window shown the JTable Model data, when double click the row will pop up a new window to edit the data, once submit how can I refresh the JTable? Customer.java : JPanel getJPanel() { if (jPanel == null) { jPanel = new JPanel(); jPanel.setLayout(null); jPanel.setSize(new Dimension(792, ...
I am creating a Java Swing application which displays a window with a table where the user can insert or delete selected elements stored in an array. For this table I have created a table model class extending the DefaultTableModel class. The problem arises when all the elements have been deleted from the table, as a null pointer except...
hi how to display a row of a jtable in a from of JTextField when click on the row, ( I need this to edit the data base from the JTable ) My table model static class TableDataModel extends AbstractTableModel { private List nomColonnes; private List tableau; public TableDataModel(List nomColonnes, List tableau){ this.nomColonne...