Examples with FieldChange org.jabref.model.FieldChange used on opensource projects

Example 26 with FieldChange

use of org.jabref.model.FieldChange in project jabref by JabRef.

the class SpecialFieldsUtils method exportFieldToKeywords.

private static List<FieldChange> exportFieldToKeywords(SpecialField specialField, BibEntry entry, Character keywordDelimiter) {
    List<FieldChange> fieldChanges = new ArrayList<>();
    Optional<Keyword> newValue = entry.getField(specialField.getFieldName()).map(Keyword::new);
    KeywordList keyWords = specialField.getKeyWords();
    Optional<FieldChange> change = entry.replaceKeywords(keyWords, newValue, keywordDelimiter);
    change.ifPresent(changeValue -> fieldChanges.add(changeValue));
    return fieldChanges;
}

Example 27 with FieldChange

use of org.jabref.model.FieldChange in project jabref by JabRef.

the class UpdateField method updateField.

/**
     * Undoable change of field value
     *
     * @param be                          BibEntry
     * @param field                       Field name
     * @param newValue                    New field value
     * @param nullFieldIfValueIsTheSame   If true the field value is removed when the current value is equals to newValue
     */
public static Optional<FieldChange> updateField(BibEntry be, String field, String newValue, Boolean nullFieldIfValueIsTheSame) {
    String writtenValue = null;
    String oldValue = null;
    if (be.hasField(field)) {
        oldValue = be.getField(field).get();
        if ((newValue == null) || (oldValue.equals(newValue) && nullFieldIfValueIsTheSame)) {
            // If the new field value is null or the old and the new value are the same and flag is set
            // Clear the field
            be.clearField(field);
        } else if (!oldValue.equals(newValue)) {
            // Update
            writtenValue = newValue;
            be.setField(field, newValue);
        } else {
            // Values are the same, do nothing
            return Optional.empty();
        }
    } else {
        // old field value not set
        if (newValue == null) {
            // Do nothing
            return Optional.empty();
        } else {
            // Set new value
            writtenValue = newValue;
            be.setField(field, newValue);
        }
    }
    return Optional.of(new FieldChange(be, field, oldValue, writtenValue));
}

Example 28 with FieldChange

use of org.jabref.model.FieldChange in project jabref by JabRef.

the class WordKeywordGroup method remove.

@Override
public List<FieldChange> remove(List<BibEntry> entriesToRemove) {
    Objects.requireNonNull(entriesToRemove);
    List<FieldChange> changes = new ArrayList<>();
    for (BibEntry entry : entriesToRemove) {
        if (contains(entry)) {
            String oldContent = entry.getField(searchField).orElse("");
            KeywordList wordlist = KeywordList.parse(oldContent, keywordSeparator);
            wordlist.remove(searchExpression);
            String newContent = wordlist.getAsString(keywordSeparator);
            entry.setField(searchField, newContent).ifPresent(changes::add);
        }
    }
    return changes;
}

Example 29 with FieldChange

use of org.jabref.model.FieldChange in project jabref by JabRef.

the class BibEntry method clearField.

/**
     * Remove the mapping for the field name, and notify listeners about
     * the change including the {@link EntryEventSource}.
     *
     * @param name        The field to clear.
     * @param eventSource the source a new {@link FieldChangedEvent} should be posten from.
     */
public Optional<FieldChange> clearField(String name, EntryEventSource eventSource) {
    String fieldName = toLowerCase(name);
    if (BibEntry.ID_FIELD.equals(fieldName)) {
        throw new IllegalArgumentException("The field name '" + name + "' is reserved");
    }
    Optional<String> oldValue = getField(fieldName);
    if (!oldValue.isPresent()) {
        return Optional.empty();
    }
    changed = true;
    fields.remove(fieldName);
    invalidateFieldCache(fieldName);
    FieldChange change = new FieldChange(this, fieldName, oldValue.get(), null);
    eventBus.post(new FieldChangedEvent(change, eventSource));
    return Optional.of(change);
}

Example 30 with FieldChange

use of org.jabref.model.FieldChange in project jabref by JabRef.

the class FileLinksUpgradeWarning method upgradePdfPsToFile.

/**
     * Collect file links from the given set of fields, and add them to the list contained in the field
     * GUIGlobals.FILE_FIELD.
     *
     * @param database The database to modify.
     * @param fields   The fields to find links in.
     * @return A CompoundEdit specifying the undo operation for the whole operation.
     */
private static NamedCompound upgradePdfPsToFile(BibDatabase database) {
    NamedCompound ce = new NamedCompound(Localization.lang("Move external links to 'file' field"));
    UpgradePdfPsToFileCleanup cleanupJob = new UpgradePdfPsToFileCleanup();
    for (BibEntry entry : database.getEntries()) {
        List<FieldChange> changes = cleanupJob.cleanup(entry);
        for (FieldChange change : changes) {
            ce.addEdit(new UndoableFieldChange(change));
        }
    }
    ce.end();
    return ce;
}