public void actionPerformed(ActionEvent e) {
/*
* This method can be called only if
* there's a valid selection,
* so go ahead and remove whatever's selected.
*/
ListSelectionModel lsm = list.getSelectionModel();
int firstSelected = lsm.getMinSelectionIndex();
int lastSelected = lsm.getMaxSelectionIndex();
listModel.removeRange(firstSelected, lastSelected);
int size = listModel.size();
if (size == 0) {
// List is empty: disable delete, up, and down buttons.
deleteButton.setEnabled(false);
upButton.setEnabled(false);
downButton.setEnabled(false);
} else {
// Adjust the selection.
if (firstSelected == listModel.getSize()) {
// Removed item in last position.
firstSelected--;
}
list.setSelectedIndex(firstSelected);
}
}
public void valueChanged(ListSelectionEvent e) {
ListSelectionModel lsm = (ListSelectionModel) e.getSource();
int firstIndex = e.getFirstIndex();
int lastIndex = e.getLastIndex();
boolean isAdjusting = e.getValueIsAdjusting();
output.append(
"Event for indexes "
+ firstIndex
+ " - "
+ lastIndex
+ "; isAdjusting is "
+ isAdjusting
+ "; selected indexes:");
if (lsm.isSelectionEmpty()) {
output.append(" <none>");
} else {
// Find out which indexes are selected.
int minIndex = lsm.getMinSelectionIndex();
int maxIndex = lsm.getMaxSelectionIndex();
for (int i = minIndex; i <= maxIndex; i++) {
if (lsm.isSelectedIndex(i)) {
output.append(" " + i);
}
}
}
output.append(newline);
output.setCaretPosition(output.getDocument().getLength());
}
/**
* Returns the number of columns selected.
*
* @return the number of columns selected
*/
public int getSelectedColumnCount() {
if (selectionModel != null) {
int iMin = selectionModel.getMinSelectionIndex();
int iMax = selectionModel.getMaxSelectionIndex();
int count = 0;
for (int i = iMin; i <= iMax; i++) {
if (selectionModel.isSelectedIndex(i)) {
count++;
}
}
return count;
}
return 0;
}
private List<Node> getSelectedNodes() {
List<Node> selectedNodes = new Vector<Node>();
NodeStatusTableModel myTableModel = (NodeStatusTableModel) getModel();
ListSelectionModel lsm = getSelectionModel();
int minIndex = lsm.getMinSelectionIndex();
int maxIndex = lsm.getMaxSelectionIndex();
for (int i = minIndex; i <= maxIndex; i++) {
if (lsm.isSelectedIndex(i)) {
// System.out.println("row " + i + " is selected");
Node currNode = myTableModel.getNode(i);
if (currNode != null) selectedNodes.add(currNode);
}
}
return selectedNodes;
}
/**
* Returns an array of selected columns. If <code>selectionModel</code> is <code>null</code>,
* returns an empty array.
*
* @return an array of selected columns or an empty array if nothing is selected or the <code>
* selectionModel</code> is <code>null</code>
*/
public int[] getSelectedColumns() {
if (selectionModel != null) {
int iMin = selectionModel.getMinSelectionIndex();
int iMax = selectionModel.getMaxSelectionIndex();
if ((iMin == -1) || (iMax == -1)) {
return new int[0];
}
int[] rvTmp = new int[1 + (iMax - iMin)];
int n = 0;
for (int i = iMin; i <= iMax; i++) {
if (selectionModel.isSelectedIndex(i)) {
rvTmp[n++] = i;
}
}
int[] rv = new int[n];
System.arraycopy(rvTmp, 0, rv, 0, n);
return rv;
}
return new int[0];
}