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| public class TableauNavigateurModel extends AbstractTableModel {
protected Vector dataVector;
protected Vector columnIdentifiers;
public TableauNavigateurModel() {
this(0, 0);
}
private static Vector newVector(int size) {
Vector v = new Vector(size);
v.setSize(size);
return v;
}
public boolean setReorderingAllowed(int column){
return false;
}
public TableauNavigateurModel(int rowCount, int columnCount) {
this(newVector(columnCount), rowCount);
}
public TableauNavigateurModel(Vector columnNames, int rowCount) {
setDataVector(newVector(rowCount), columnNames);
}
public TableauNavigateurModel(Object[] columnNames, int rowCount) {
this(convertToVector(columnNames), rowCount);
}
public TableauNavigateurModel(Vector data, Vector columnNames) {
setDataVector(data, columnNames);
}
public TableauNavigateurModel(Object[][] data, Object[] columnNames) {
setDataVector(data, columnNames);
}
public Vector getDataVector() {
return dataVector;
}
private static Vector nonNullVector(Vector v) {
return (v != null) ? v : new Vector();
}
public void setDataVector(Vector dataVector, Vector columnIdentifiers) {
this.dataVector = nonNullVector(dataVector);
this.columnIdentifiers = nonNullVector(columnIdentifiers);
justifyRows(0, getRowCount());
fireTableStructureChanged();
}
public void setDataVector(Object[][] dataVector, Object[] columnIdentifiers) {
setDataVector(convertToVector(dataVector), convertToVector(columnIdentifiers));
}
public void newDataAvailable(TableModelEvent event) {
fireTableChanged(event);
}
//
// Manipulating rows
//
private void justifyRows(int from, int to) {
// Sometimes the TableauNavigateurModel is subclassed
// instead of the AbstractTableModel by mistake.
// Set the number of rows for the case when getRowCount
// is overridden.
dataVector.setSize(getRowCount());
for (int i = from; i < to; i++) {
if (dataVector.elementAt(i) == null) {
dataVector.setElementAt(new Vector(), i);
}
((Vector)dataVector.elementAt(i)).setSize(getColumnCount());
}
}
public void newRowsAdded(TableModelEvent e) {
justifyRows(e.getFirstRow(), e.getLastRow() + 1);
fireTableChanged(e);
}
public void rowsRemoved(TableModelEvent event) {
fireTableChanged(event);
}
public void setNumRows(int rowCount) {
int old = getRowCount();
if (old == rowCount) {
return;
}
dataVector.setSize(rowCount);
if (rowCount <= old) {
fireTableRowsDeleted(rowCount, old-1);
}
else {
justifyRows(old, rowCount);
fireTableRowsInserted(old, rowCount-1);
}
}
public void setRowCount(int rowCount) {
setNumRows(rowCount);
}
public void addRow(Vector rowData) {
insertRow(getRowCount(), rowData);
}
public void addRow(Object[] rowData) {
addRow(convertToVector(rowData));
}
public void insertRow(int row, Vector rowData) {
dataVector.insertElementAt(rowData, row);
justifyRows(row, row+1);
fireTableRowsInserted(row, row);
}
public void insertRow(int row, Object[] rowData) {
insertRow(row, convertToVector(rowData));
}
private static int gcd(int i, int j) {
return (j == 0) ? i : gcd(j, i%j);
}
private static void rotate(Vector v, int a, int b, int shift) {
int size = b - a;
int r = size - shift;
int g = gcd(size, r);
for(int i = 0; i < g; i++) {
int to = i;
Object tmp = v.elementAt(a + to);
for(int from = (to + r) % size; from != i; from = (to + r) % size) {
v.setElementAt(v.elementAt(a + from), a + to);
to = from;
}
v.setElementAt(tmp, a + to);
}
}
public void moveRow(int start, int end, int to) {
int shift = to - start;
int first, last;
if (shift < 0) {
first = to;
last = end;
}
else {
first = start;
last = to + end - start;
}
rotate(dataVector, first, last + 1, shift);
fireTableRowsUpdated(first, last);
}
public void removeRow(int row) {
dataVector.removeElementAt(row);
fireTableRowsDeleted(row, row);
}
public void setColumnIdentifiers(Vector columnIdentifiers) {
setDataVector(dataVector, columnIdentifiers);
}
public void setColumnIdentifiers(Object[] newIdentifiers) {
setColumnIdentifiers(convertToVector(newIdentifiers));
}
public void setColumnCount(int columnCount) {
columnIdentifiers.setSize(columnCount);
justifyRows(0, getRowCount());
fireTableStructureChanged();
}
public void addColumn(Object columnName) {
addColumn(columnName, (Vector)null);
}
public void addColumn(Object columnName, Vector columnData) {
columnIdentifiers.addElement(columnName);
if (columnData != null) {
int columnSize = columnData.size();
if (columnSize > getRowCount()) {
dataVector.setSize(columnSize);
}
justifyRows(0, getRowCount());
int newColumn = getColumnCount() - 1;
for(int i = 0; i < columnSize; i++) {
Vector row = (Vector)dataVector.elementAt(i);
row.setElementAt(columnData.elementAt(i), newColumn);
}
}
else {
justifyRows(0, getRowCount());
}
fireTableStructureChanged();
}
public void addColumn(Object columnName, Object[] columnData) {
addColumn(columnName, convertToVector(columnData));
}
public int getRowCount() {
return dataVector.size();
}
public int getColumnCount() {
return columnIdentifiers.size();
}
public String getColumnName(int column) {
Object id = null;
// This test is to cover the case when
// getColumnCount has been subclassed by mistake ...
if (column < columnIdentifiers.size()) {
id = columnIdentifiers.elementAt(column);
}
return (id == null) ? super.getColumnName(column)
: id.toString();
}
public boolean isCellEditable(int row, int column) {
return false;
}
public Object getValueAt(int row, int column) {
Vector rowVector = (Vector)dataVector.elementAt(row);
return rowVector.elementAt(column);
}
public void setValueAt(Object aValue, int row, int column) {
Vector rowVector = (Vector)dataVector.elementAt(row);
rowVector.setElementAt(aValue, column);
fireTableCellUpdated(row, column);
}
protected static Vector convertToVector(Object[] anArray) {
if (anArray == null) {
return null;
}
Vector v = new Vector(anArray.length);
for (int i=0; i < anArray.length; i++) {
v.addElement(anArray[i]);
}
return v;
}
protected static Vector convertToVector(Object[][] anArray) {
if (anArray == null) {
return null;
}
Vector v = new Vector(anArray.length);
for (int i=0; i < anArray.length; i++) {
v.addElement(convertToVector(anArray[i]));
}
return v;
}
public void clearTable(){
for(int a = 0; a < getRowCount(); a++)
{
removeRow(a);
}
}
} |
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