Dp Chovati

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since Jan 21, 2019
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Recent posts by Dp Chovati

I am trying to design a search box with JTextField and JButton. For example, if I type "TEA" in JTextField and click on Jbutton, as a result, it will pop up a window showing all the options for tea.
1 day ago
3 days ago
I am using Jtable and I want to scroll down the screen with an on-click event on a cell of the table. Whenever I am clicking on a cell, the screen is not scrolling down, but when I manually scroll down the screen with below code, the screen is not possible to scroll up.


    DefaultTableModel tableModel = new DefaultTableModel(23,23);
    JTable table = new JTable(tableModel);
    JScrollPane scrollPane = new JScrollPane(table);
    scrollPane.getVerticalScrollBar().setPreferredSize(new Dimension(30,0));
    table.addMouseListener(new java.awt.event.MouseAdapter()
 

   public void mouseClicked(java.awt.event.MouseEvent e)
    {
                           
       scrollPane.getVerticalScrollBar().addAdjustmentListener(new
       AdjustmentListener() {public void
       adjustmentValueChanged(AdjustmentEvent e) {  
             e.getAdjustable().setValue(e.getAdjustable().getValue());  
    }
    });
    }
   })
1 week ago
I am getting below error. How can I resolve it?

com.openbravo.basic.BasicException:
java.sql.SQLException: Could not retrieve transation read-only status server

java.sql.SQLException:
Could not retrieve transation read-only status server

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:
Communications link failure

The last packet successfully received from the server was 2,518,317 milliseconds ago.  The last packet sent successfully to the server was 2,518,333 milliseconds ago.

java.net.SocketException:
Connection reset by peer: socket write error

Hi Rob, thanks for sharing tutorial. I am referring to that.
2 weeks ago
Hi,

I have used Intercellspacing for a table so that I can keep some margin with cells of a table. In the attached picture, How can I set a border around the selected area of cell?
2 weeks ago
How to add the data to a particular cell in Jtable?
2 weeks ago
How to add a button in the rows of Jtable?

                       DefaultTableModel tableModel = new DefaultTableModel(20,5);
                       JTable table = new JTable(tableModel);
                       table.getColumn(0).setCellRenderer(new ButtonRenderer());
                       table.getColumn("Button").setCellEditor(new ButtonEditor(new JCheckBox()));

In the above code, getting an error saying that ButtonRender and ButtonEditor symbol cannot find.
2 weeks ago
Currently, I am using a Card layout, when I am trying to use Box layout or Grid Bag Layout. Nothing is showing up in the respected Jpanel.Is there are any changed I can do? So far, As per my understanding, Japnel is set for Card layout and Buttons are using ComponentOrientation.
3 weeks ago
@Tim Moores, Thank you so much for guidance. it is a big java project, but I have started working on code to develop an understanding about it.
3 weeks ago
I am working on a layout that is set to use "Class ComponentOrientation". That displays all the button from LEFT_TO_RIGHT and RIGHT_TO_LEFT. In short, buttons are displaying in Horizontal orientation. I want to display buttons in a vertical orientation. So far, I researched that ComponentOrientation comes with fields LEFT_TO_RIGHT, RIGHT_TO_LEFT and Unknown, but all the fields are displaying component in a horizontal orientation. Is there any way to display button in verticle orientation using Class ComponentOrientaion?
3 weeks ago
I am working on a java project, I need to change features in the project. I am not sure where to start for that. The code is written by someone, so I am not able to understand.
3 weeks ago