/**
* This notifies the user that they are about to lose entered data (i.e. they've made changes and
* are about to a) change classes or b) go to another entry), and allows them to save their data
* if they so choose...
*/
public void checkForUnsavedChanges() {
if (dataSource == null || dataSource.isActive() == false)
return; // no point prompting - nothing to save with!
/*
* Only ever check the entry once (sometimes promptForSave can be called
* multiple time - remember that the 'save' function gets called by a
* separate thread).
*/
if (tableData.changedByUser()) {
String save = CBIntText.get("Save");
String discard = CBIntText.get("Discard");
int result =
JOptionPane.showOptionDialog(
owner,
CBIntText.get("Submit changes to the Directory?"),
CBIntText.get("Save Data"),
JOptionPane.DEFAULT_OPTION,
JOptionPane.QUESTION_MESSAGE,
null,
new Object[] {save, discard},
save);
if (result == 0) {
writeTableData(); // nb - this queues a request to the directory
}
}
}
public void setVisible(boolean state) {
super.setVisible(state);
// has to be *after* previous call for SwingMagic reasons.
if (state == false
&& tableData.changedByUser()) // user made changes - were they saved? (i.e., are we
{
/*
* The setVisible() method may be called multiple time. Only prompt
* the user the first time.
*/
checkForUnsavedChanges();
}
}
private void displayEntry(
DXEntry entry, DataBrokerQueryInterface ds, boolean storeOriginalEntry) {
myEditor.stopCellEditing();
// checkedDN = null; // hack - resets promptForSave.
// Store original Entry for reset
if (entry != null && storeOriginalEntry && entry.getStatus() == DXEntry.NORMAL)
originalEntry = new DXEntry(entry);
// Set the globals...
currentEntry = entry;
dataSource = ds;
if (entry != null && entry.size() == 0) {
// If there is an entry and its size is zero - it's probably a virtual entry.
// We need to give the user the option of adding an object class to it i.e. so that
// it can be added to the directory as a real entry.
//
// Disable all the buttons except the 'Change Class' button - but rename this button
// to 'Add Class' so the user hopefully has a bit more of an idea about what is going on.
// Sets editor to a blank screen...
tableData.clear();
// Disable all buttons except the 'Change Class' button - rename this one...
submit.setEnabled(false);
reset.setEnabled(false);
changeClass.setText(CBIntText.get("Add Class"));
changeClass.setEnabled(true);
opAttrs.setEnabled(false);
virtualEntry = true;
return;
}
virtualEntry = false;
// Isn't a virtual entry...
if (entry != null) currentDN = entry.getDN();
// May have been changed to 'Add Class'...
changeClass.setText(CBIntText.get("Change Class"));
// Some quick faffing around, to see if we're coming back from a
// change classes operation.
if (classChangedOriginalEntry != null) {
// If they have the same name, then we're reviewing the same entry - otherwise we've moved on
if (entry == null || entry.getDN().equals(classChangedOriginalEntry.getDN()) == false)
classChangedOriginalEntry = null;
}
/*
* Check that we're not displaying a new entry, and leaving unsaved changes
* behind.
*
* This turns out to be quite tricky, and involves a bunch 'o special cases.
*
* First check whether the table data has changed (if not, do nothing)
* -> if the new entry is null, prompt user to save
* -> OR if the DN has changed, and it wasn't due to a rename, prompt user to save
*
*/
if (tableData.changedByUser()) // user made changes - were they saved? (i.e., are we
{ // displaying the result of those changes?)
boolean prompt = false;
DXEntry oldEntry = tableData.getOldEntry();
if (oldEntry != null) {
/*
* The code below is simply checking to see if the name of the
* new entry is different from the old entry, and if it is,
* whether that's due to the old entry being renamed.
*/
if (entry == null) {
prompt = true;
}
// TE: added the isEmpty check see bug: 3194.
else if (!oldEntry.getDN().isEmpty() && entry.getDN().equals(oldEntry.getDN()) == false) {
DN oldParent = oldEntry.getDN().getParent();
DN newParent = entry.getDN().getParent();
if (oldParent.equals(newParent) == false) {
prompt = true;
} else {
if (entry.getDN().getLowestRDN().equals(tableData.getRDN()) == false) {
prompt = true;
}
}
}
if (prompt) // yes, there is a risk of data loss - prompt the user.
{
checkForUnsavedChanges(); // see if the user wants to save their data
}
}
}
myEditor.setDataSource(
ds); // Sets the DataBrokerQueryInterface in AttributeValueCellEditor used to get the syntax
// of attributes.
// only enable buttons if DataBrokerQueryInterface
// is valid *and* we can modify data...
if (dataSource == null || entry == null || dataSource.isModifiable() == false) {
setReadWrite(false, entry);
} else {
setReadWrite(true, entry);
}
// myEditor.stopCellEditing();
if (entry != null) {
entry.expandAllAttributes();
currentDN = entry.getDN();
tableData.insertAttributes(entry);
popupTableTool.setDN(currentDN); // Sets the DN in SmartPopupTableTool.
myEditor.setDN(
currentDN); // Sets the DN in the attributeValueCellEditor which can be used to identify
// the entry that is being modified/
} else {
tableData.clear(); // Sets editor to a blank screen.
}
tableScroller.getVerticalScrollBar().setValue(0); // Sets the scroll bar back to the top.
}