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TableModel.java
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TableModel.java
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package uk.kcl.inf._4ccspra.coursework2;
import java.awt.Dimension;
import java.util.HashMap;
import java.util.Map;
import javax.swing.table.AbstractTableModel;
/**
* Creates a table model for JTable.
* The header title, amount of rows and columns are determined by the values captured by the constructor method.
*
* @author Gustavo Costa
*/
public class TableModel extends AbstractTableModel {
private Map data = new HashMap();
private int lengthRow, lengthCol;
private String[] headerArray;
/**
* Constructor method.
* Initialise the headerArray, lengthRow and lenghCol fields accordingly to values received in the parameters.
* @param headerArray header of table (columns' name).
* @param lengthRow number of rows in the table
* @param lengthCol number of columns in the table
*/
public TableModel(String[] headerArray, int lengthRow, int lengthCol){
this.headerArray = headerArray;
this.lengthRow = lengthRow;
this.lengthCol = lengthCol;
}
/** Replaces default header for headerArray contents. */
@Override
public String getColumnName(int col){
return headerArray[col];
}
/** Returns the number of columns. */
@Override
public int getColumnCount() {
return lengthCol;
}
/** Returns the number of rows */
@Override
public int getRowCount() {
return lengthRow;
}
/** Returns a Dimension object of rows and columns */
@Override
public Object getValueAt(int row, int col) {
return data.get(new Dimension(row, col));
}
/** Places an object in the table at a particular coordinate given by the dimension object. */
@Override
public void setValueAt(Object data, int row, int col){
Dimension coord = new Dimension(row, col);
this.data.put(coord, data);
fireTableCellUpdated(row, col);
}
}