Ceci est mon code pour rendre un JTable et changer la couleur des lignes, mais il ne montre pas une case à cocher dans la colonne 6, seulement une chaîne (vrai, faux).Comment afficher une case à cocher dans une JTable?
Pouvez-vous fournir une solution pour résoudre ce problème?
Merci d'avance.
public class JLabelRenderer extends JLabel implements TableCellRenderer
{
private MyJTable myTable;
/**
* Creates a Custom JLabel Cell Renderer
* @param t your JTable implmentation that holds the Hashtable to inquire for
* rows and colors to paint.
*/
public JLabelRenderer(MyJTable t)
{
this.myTable = t;
}
/**
* Returns the component used for drawing the cell. This method is
* used to configure the renderer appropriately before drawing.
* see TableCellRenderer.getTableCellRendererComponent(...); for more comments on the method
*/
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
{
setOpaque(true); //JLabel isn't opaque by default
setText(value.toString());
setFont(myTable.getFont());
if(!isSelected)//if the row is not selected then use the custom color
setBackground(myTable.getRowToPaint(row));
else //if the row is selected use the default selection color
setBackground(myTable.getSelectionBackground());
//Foreground could be changed using another Hashtable...
setForeground(myTable.getForeground());
// Since the renderer is a component, return itself
return this;
}
// The following methods override the defaults for performance reasons
public void validate() {}
public void revalidate() {}
protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {}
public void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) {}
}
Voici le tableau:
import javax.swing.JTable;
import javax.swing.table.*;
import java.util.Hashtable;
import java.awt.Color;
public class MyJTable extends JTable
{
Hashtable rowsToPaint = new Hashtable(1);
/**
* Default Constructor
*/
public MyJTable()
{
super();
}
/**
* Set the TableModel and then render each column with a custom cell renderer
* @param tm TableModel
*/
public void setModel(TableModel tm)
{
super.setModel(tm);
renderColumns(new JLabelRenderer(this));
}
/**
* Add a new entry indicating:
* @param row the row to paint - the first row = 0;
* @param bgColor background color
*/
public void addRowToPaint(int row, Color bgColor)
{
rowsToPaint.put(new Integer(row), bgColor);
this.repaint();// you need to repaint the table for each you put in the hashtable.
}
/**
* Returns the user selected BG Color or default BG Color.
* @param row the row to paint
* @return Color BG Color selected by the user for the row
*/
public Color getRowToPaint(int row)
{
Color bgColor = (Color)rowsToPaint.get(new Integer(row));
return (bgColor != null)?bgColor:getBackground();
}
/**
* Render all columns with the specified cell renderer
* @param cellRender TableCellRenderer
*/
public void renderColumns(TableCellRenderer cellRender)
{
for(int i=0; i<this.getModel().getColumnCount(); i++)
{
renderColumn(this.getColumnModel().getColumn(i), cellRender);
}
}
/**
* Render a TableColumn with the sepecified Cell Renderer
* @param col TableColumn
* @param cellRender TableCellRenderer
*/
public void renderColumn(TableColumn col, TableCellRenderer cellRender)
{
try{
col.setCellRenderer(cellRender);
}catch(Exception e){System.err.println("Error rendering column: [HeaderValue]: "+col.getHeaderValue().toString()+" [Identifier]: "+col.getIdentifier().toString());}
}
}
ici est mon écran
En effet, vous avez besoin de la case à cocher contenant un ID par exemple. Ensuite, vous devez utiliser customEditor & Renderer, ai-je raison? : D – gumuruh
Oui, c'est correct. – Adamski
Je suis toujours cette approche pour rendre les cases à cocher. – user613114