/**
* This method is activated on the Keystrokes we are listening to in this implementation. Here it
* listens for Copy and Paste ActionCommands. Selections comprising non-adjacent cells result in
* invalid selection and then copy action cannot be performed. Paste is done by aligning the upper
* left corner of the selection with the 1st element in the current selection of the JTable.
*
* @param e
*/
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().compareTo("Copy") == 0) {
StringBuffer sbf = new StringBuffer();
// Check to ensure we have selected only a continguous block of cells
int numcols = jTable1.getSelectedColumnCount();
int numrows = jTable1.getSelectedRowCount();
int[] rowsselected = jTable1.getSelectedRows();
int[] colsselected = jTable1.getSelectedColumns();
if (rowsselected.length == 0 || colsselected.length == 0) {
AppUtility.msgError(frame, "You have to select cells to copy !!");
return;
}
String temp = "";
for (int l = 0; l < numrows; l++) {
for (int m = 0; m < numcols; m++) {
if (jTable1.getValueAt(rowsselected[l], colsselected[m]) != null) {
sbf.append(jTable1.getValueAt(rowsselected[l], colsselected[m]));
} else {
sbf.append("");
}
if (m < numcols - 1) {
sbf.append("\t");
}
}
sbf.append("\n");
stsel = new StringSelection(sbf.toString());
system = Toolkit.getDefaultToolkit().getSystemClipboard();
system.setContents(stsel, stsel);
}
}
if (e.getActionCommand().compareTo("Paste") == 0) {
jTable1
.getParent()
.getParent()
.getParent()
.setCursor(new java.awt.Cursor(java.awt.Cursor.WAIT_CURSOR));
String table = "";
if (debug) {
System.out.println("Trying to Paste");
}
int startRow = 0; // (jTable1.getSelectedRows())[0];
int startCol = 0; // (jTable1.getSelectedColumns())[0];
while (jTable1.getRowCount() > 0) {
((DefaultTableModel) jTable1.getModel()).removeRow(0);
}
try {
String trstring =
(String) (system.getContents(this).getTransferData(DataFlavor.stringFlavor));
if (debug) {
System.out.println("String is: " + trstring);
}
StringTokenizer st1 = new StringTokenizer(trstring, "\n");
if (insertRowsWhenPasting) {
for (int i = 0; i < st1.countTokens(); i++) {
((DefaultTableModel) jTable1.getModel()).addRow(new Object[] {null, null});
}
}
for (int i = 0; st1.hasMoreTokens(); i++) {
rowstring = st1.nextToken();
StringTokenizer st2 = new StringTokenizer(rowstring, "\t");
for (int j = 0; st2.hasMoreTokens(); j++) {
value = st2.nextToken();
if (j < jTable1.getColumnCount()) {
jTable1.setValueAt(value, i, j);
}
if (debug) {
System.out.println(
"Putting " + value + "at row=" + (startRow + i) + "column=" + (startCol + j));
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
((DefaultTableModel) jTable1.getModel()).addRow(new Object[] {null, null});
}
jTable1
.getParent()
.getParent()
.getParent()
.setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
}
}
