/**
* Create a Transferable to use as the source for a data transfer.
*
* @param c The component holding the data to be transfered. This argument is provided to enable
* sharing of TransferHandlers by multiple components.
* @return The representation of the data to be transfered.
*/
protected Transferable createTransferable(JComponent c) {
Object[] values = null;
if (c instanceof JList) {
values = ((JList) c).getSelectedValues();
} else if (c instanceof JTable) {
JTable table = (JTable) c;
int[] rows = table.getSelectedRows();
if (rows != null) {
values = new Object[rows.length];
for (int i = 0; i < rows.length; i++) {
values[i] = table.getValueAt(rows[i], 0);
}
}
}
if (values == null || values.length == 0) {
return null;
}
StringBuffer plainBuf = new StringBuffer();
StringBuffer htmlBuf = new StringBuffer();
htmlBuf.append("<html>\n<body>\n<ul>\n");
for (Object obj : values) {
String val = ((obj == null) ? "" : obj.toString());
plainBuf.append(val + "\n");
htmlBuf.append(" <li>" + val + "\n");
}
// remove the last newline
plainBuf.deleteCharAt(plainBuf.length() - 1);
htmlBuf.append("</ul>\n</body>\n</html>");
return new FileTransferable(plainBuf.toString(), htmlBuf.toString(), values);
}
/** Handle string insertion. */
public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
// Store source data
int sourceLength = getLength();
String sourceText = getText(0, sourceLength);
StringBuffer strBuffer = new StringBuffer(sourceText);
// Check if old value is zero
if (offs == 0 && sourceLength > 0 && str.length() > 0) {
long oldValue;
try {
oldValue = myFormat.parse(strBuffer.toString()).longValue();
if (oldValue == 0) {
strBuffer.deleteCharAt(0);
}
} catch (Exception e) {
}
}
// Now add new string
strBuffer.insert(offs, str);
BigDecimal value;
try {
value = new BigDecimal(myFormat.parse(strBuffer.toString()).doubleValue());
} catch (Exception e) {
if (sourceLength > 0) {
if (sourceText.startsWith(",")) {
sourceText = "0" + sourceText;
}
value = new BigDecimal(getRealString(sourceText));
} else {
value = new BigDecimal(0.0);
}
}
// Set the new value
if (textField == null) {
return;
}
textField.setValue(new Money(value, textField.getValue().getCurrency()), false);
super.remove(0, sourceLength);
super.insertString(0, myFormat.format(value.doubleValue()), a);
// Set caret to correct caret position
if (!"".equals(sourceText)) // <=> initilized
{
int lengthDiff = getLength() - sourceLength;
int caretPos = lengthDiff + offs;
int caretDiff = sourceLength - offs;
// Adjust for columns after centSperator (currently Diff < 3)
if ((caretDiff > 0 && caretDiff < 3) || (value.abs().longValue() < 10 && caretPos == 0)) {
caretPos += 1;
}
if (caretPos < 0) {
caretPos = 0;
}
textField.setCaretPosition(caretPos);
} else {
textField.setCaretPosition(1);
}
}