tablecellrenderer

This is my very first StackOverflow question, so if I do/ask something incredibly stupid, please be lenient! I'm a noob when it comes to Java, specifically swing, and I'm having trouble understanding the getTableCellRendererComponent function of the TableCellRenderer interface (and similar with the getTableCellEditorComponent function of the TableCellEditor interface). Specifically, I don't understand the point of the 2nd argument (Object type). Doesn't the value for this just come from the given JTable at the given row and column? If so, why bother with the 2nd argument at all? I've done

In swing application, I am using DefaultTableCellRenderer to flash the table cell when the cell time is equal to system time. I wrote if statement to compare cell time with hh:mm , If both time are equal, time cells backgroung will blink on the table rows. It is blinking 60 secs only still if statement is true, But i want to continue blinking same cell after false if statement. I got the position value of blinking cell like (0,2) and (1,2). from this integer, how can i set continues blink after false if statement or Is there any other way? Thank you. My Code is here : I added table method and

I want to render a swing table adjusting the row's height, depending on how much text is displayed in a column so that all the text is shown in the cell. The problem is that when I set the height to the row an infinite loop is created. How could I solve it? This is my renderer final class RenderTextAreaMessage extends DefaultTableCellRenderer { JTextArea textareaMessage; @Override public Component getTableCellRendererComponent(JTable aTable, Object aNumberValue, boolean aIsSelected, boolean aHasFocus, int aRow, int aColumn ) { System.out.println("aa"); String value = (String)aNumberValue;

I have these data: Row Number Column Number Cell Value My questions are: How can I find the cell by using those data? How can I change the background of JTable cell on mouse press event and back to normal background on mouse release Event? Can i Highlight the JTable without user interaction, means clicking on some other JTable cell i want to highlight another JTable cell by using given information, is it possible? Assuming you mean to find the rectangle of the cell for hit detection: Rectangle cell = table.getCellRect(row, column, false); For background changing, in your mouseListener code,

I am looking for how to change the color of some rows in my JTable which have index in an integer vector called Notfoundrow , but the problem that I have as result all the rows in the Table change color to Red !! Here is my code : package essai_trafficclass; import java.awt.Color; import java.awt.Component; import java.util.ArrayList; import javax.swing.JTable; import javax.swing.table.DefaultTableCellRenderer; public class MonCellRenderer extends DefaultTableCellRenderer { public static ArrayList<Integer> Notfoundrow1 = OneWayRelation.Notfoundrow; public Component