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TradeTableModel.java
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TradeTableModel.java
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import javax.swing.*;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableColumn;
import java.util.*;
class TradeTableModel extends AbstractTableModel {
private boolean DEBUG = true;
House house;
Vector headers = new Vector();
PersonTotals sumRow;
TradeTableModel()
{
}
public int getColumnCount() {
return headers.size();
}
public String getColumnName(int col) {
return ((Header)headers.get(col)).getText();
}
public int getRowCount() {
return house.getHouseSize()+1;
}
public Object getValueAt(int row, int col) {
Person p;
if (row == house.getHouseSize() && sumRow != null)
return sumRow.getValue(col);
else
{
p = house.getPerson(row);
if (p == null) return null;
return p.getValue(col);
}
}
public void setHouse(House house)
{
if (house != null)
{
this.house = house;
sumRow = new PersonTotals(house);
}
else
{
System.out.println("house is null");
System.exit(0);
}
fireTableDataChanged();
}
/*
* JTable uses this method to determine the default renderer/
* editor for each cell. If we didn't implement this method,
* then the last column would contain text ("true"/"false"),
* rather than a check box.
*/
public Class getColumnClass(int c) {
return getValueAt(0, c).getClass();
}
/*
* Don't need to implement this method unless your table's
* editable.
*/
public boolean isCellEditable(int row, int col) {
Person p;
p = house.getPerson(row);
if (p == null)
return false;
return p.editable(col);
}
/*
* Don't need to implement this method unless your table's
* data can change.
*/
public void setValueAt(Object value, int row, int col) {
Person p;
boolean ret;
p = house.getPerson(row);
if (p == null)
{
return;
//p = new Person(house);
//house.setPerson(row, p);
}
if (p.setValue(col, value))
{
// fireTableCellUpdated(row, col);
fireTableDataChanged(); // any cell in the whole table might have changed...
}
}
void addColumn(JTable table, String colname, java.awt.Color c)
{
headers.add(new Header(colname, c));
}
void setHeaderShade(boolean shade)
{
for (Enumeration e = headers.elements() ; e.hasMoreElements() ;)
{
Header header = (Header) e.nextElement();
header.setShade(shade);
}
}
void installColumns(JTable table)
{
fireTableStructureChanged();
for (Enumeration e = headers.elements() ; e.hasMoreElements() ;)
{
Header header = (Header) e.nextElement();
TableColumn column = table.getColumn(header.getText());
if (column != null)
column.setHeaderRenderer(header);
else
System.out.println("NO COLUMN ");
}
}
void moveUp(int row)
{
if (row <= 0) return; // don't move first row
Person p1 = (Person) house.people.get(row);
if (p1 == null) return;
Person p2 = (Person) house.people.get(row-1);
if (p2 == null) return;
house.people.setElementAt(p1, row-1);
house.people.setElementAt(p2, row);
}
void moveDown(int row)
{
if (row >= house.people.size()-1) return; // don't move last row
Person p1 = (Person) house.people.get(row);
if (p1 == null) return;
Person p2 = (Person) house.people.get(row+1);
if (p2 == null) return;
house.people.setElementAt(p1, row+1);
house.people.setElementAt(p2, row);
}
}