/**
* Check the database to find out whether any of a set of fields are used for any of the entries.
*
* @param database The bib database.
* @param fields The set of fields to look for.
* @return true if at least one of the given fields is set in at least one entry, false otherwise.
*/
private boolean linksFound(BibtexDatabase database, String[] fields) {
for (BibtexEntry entry : database.getEntries()) {
for (String field : fields) {
if (entry.getField(field) != null) {
return true;
}
}
}
return false;
}
public void init() {
// Get entries and check if it makes sense to perform this operation
entries = panel.getSelectedEntries();
if (entries.length == 0) {
database = panel.getDatabase();
entries = database.getEntries().toArray(new BibtexEntry[] {});
if (entries.length == 0) {
JOptionPane.showMessageDialog(
panel,
Globals.lang("This operation requires at least one entry."),
Globals.lang("Write XMP-metadata"),
JOptionPane.ERROR_MESSAGE);
goOn = false;
return;
} else {
int response =
JOptionPane.showConfirmDialog(
panel,
Globals.lang("Write XMP-metadata for all PDFs in current database?"),
Globals.lang("Write XMP-metadata"),
JOptionPane.YES_NO_CANCEL_OPTION,
JOptionPane.QUESTION_MESSAGE);
if (response != JOptionPane.YES_OPTION) {
goOn = false;
return;
}
}
}
errors = entriesChanged = skipped = 0;
if (optDiag == null) {
optDiag = new OptionsDialog(panel.frame().getFrame());
}
optDiag.open();
panel.output(Globals.lang("Writing XMP metadata..."));
}