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import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;
/**
*@author Sébastien Cabane
*
*/
public class PageModel extends AbstractTableModel {
private int pageSize = 0; //nombre de ligne dans une page
private int currentPage = 0; //La page actuelle
private TableModel delegate; //Le TableModel contenant les données
public PageModel (TableModel delegate, int pageSize, int currentPage) {
this.delegate = delegate;
this.pageSize = pageSize;
this.currentPage = currentPage;
}
//méthodes de l'interface TableModel
public int getRowCount () {
return pageSize;
}
public int getColumnCount () {
return delegate.getColumnCount();
}
public Class getColumnClass (int i) {
return delegate.getColumnClass(i);
}
public String getColumnName (int i) {
return delegate.getColumnName(i);
}
public Object getValueAt (int rowIndex, int columnIndex) {
return delegate.getValueAt(convertTableRowIndexToModel(rowIndex),columnIndex);
}
public void setValueAt (Object value,int rowIndex, int columnIndex) {
delegate.setValueAt(value, convertTableRowIndexToModel(rowIndex), columnIndex);
}
public boolean isCellEditable (int rowIndex, int columnIndex) {
return delegate.isCellEditable(convertTableRowIndexToModel(rowIndex),columnIndex);
}
//méthode utilitaires
public int convertTableRowIndexToModel (int rowIndex) {
return currentPage * pageSize + rowIndex;
}
//getters et setters
public void setDelegate (TableModel delegate) {
this.delegate = delegate;
}
public TableModel getDelegate () {
return this.delegate;
}
public void setPageSize (int pageSize) {
this.pageSize = pageSize;
}
public int getPageSize () {
return this.pageSize;
}
public void setCurrentPage (int currentPage) {
this.currentPage = currentPage;
}
public int getCurrentPage () {
return this.currentPage;
}
} |
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