CleanUp: Add nullable annotations to DNDUtils
Change-Id: I194458f6d1b791f002ce069ed2b1090db0770757
diff --git a/ecommons/org.eclipse.statet.ecommons.uimisc/src/org/eclipse/statet/ecommons/ui/util/DNDUtils.java b/ecommons/org.eclipse.statet.ecommons.uimisc/src/org/eclipse/statet/ecommons/ui/util/DNDUtils.java
index af99459..047f748 100644
--- a/ecommons/org.eclipse.statet.ecommons.uimisc/src/org/eclipse/statet/ecommons/ui/util/DNDUtils.java
+++ b/ecommons/org.eclipse.statet.ecommons.uimisc/src/org/eclipse/statet/ecommons/ui/util/DNDUtils.java
@@ -26,9 +26,15 @@
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.widgets.Control;
+import org.eclipse.statet.jcommons.collections.ImCollections;
+import org.eclipse.statet.jcommons.collections.ImList;
+import org.eclipse.statet.jcommons.lang.NonNull;
+import org.eclipse.statet.jcommons.lang.NonNullByDefault;
+
import org.eclipse.statet.internal.ecommons.ui.Messages;
+@NonNullByDefault
public class DNDUtils {
@@ -62,7 +68,8 @@
}
- public static boolean setContent(final Clipboard clipboard, final Object[] datas, final Transfer[] tranfers) {
+ public static boolean setContent(final Clipboard clipboard, final Object[] datas,
+ final @NonNull Transfer[] tranfers) {
while (true) {
try {
clipboard.setContents(datas, tranfers);
@@ -76,7 +83,7 @@
if (!MessageDialog.openQuestion(
UIAccess.getActiveWorkbenchShell(true),
Messages.CopyToClipboard_error_title,
- Messages.CopyToClipboard_error_message)) {
+ Messages.CopyToClipboard_error_message )) {
return false;
}
}
@@ -91,14 +98,14 @@
* @param transferTypes
*/
public static void addDropSupport(final Control control, final DropTargetListener listener,
- final Transfer[] transferTypes) {
- addDropSupport(control, new DropTargetListener[] { listener },
+ final @NonNull Transfer[] transferTypes) {
+ addDropSupport(control, ImCollections.newList(listener),
DND.DROP_DEFAULT | DND.DROP_MOVE | DND.DROP_COPY,
- transferTypes);
+ transferTypes );
}
- public static void addDropSupport(final Control control, final DropTargetListener[] listeners,
- final int operations, final Transfer[] transferTypes) {
+ public static void addDropSupport(final Control control, final ImList<DropTargetListener> listeners,
+ final int operations, final @NonNull Transfer[] transferTypes) {
final DropTarget dropTarget= new DropTarget(control, operations);
dropTarget.setTransfer(transferTypes);
for (final DropTargetListener listener : listeners) {
