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do not fail if last list is already empty

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This commit is contained in:
Anton Keks 2021-02-15 20:31:38 +02:00
parent 1361b0f1e6
commit b0a1afa8f5
1 changed files with 4 additions and 3 deletions
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7
src/net/azib/ipscan/gui/SelectFetchersDialog.java
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@ -26,7 +26,6 @@ import static net.azib.ipscan.gui.util.LayoutHelper.*;
public class SelectFetchersDialog extends AbstractModalDialog {
private FetcherRegistry fetcherRegistry;
private List lastFocusList;
private List selectedFetchersList;
private List registeredFetchersList;
@ -172,8 +171,10 @@ public class SelectFetchersDialog extends AbstractModalDialog {
class PrefsListener implements Listener {
public void handleEvent(Event event) {
String[] selection = lastFocusList.getSelection();
String fetcherName = selection.length > 0 ? selection[0] : lastFocusList.getItem(0);
if (lastFocusList.getItemCount() == 0) return;
int selectionIndex = lastFocusList.getSelectionIndex();
if (selectionIndex < 0) selectionIndex = 0;
String fetcherName = lastFocusList.getItem(selectionIndex);
for (Fetcher fetcher : fetcherRegistry.getRegisteredFetchers()) {
if (fetcherName.equals(fetcher.getName())) {
fetcherRegistry.openPreferencesEditor(fetcher);