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--- wrap_multiple_changes_into_one_compound_change [2015/06/11 20:50]
+++ wrap_multiple_changes_into_one_compound_change [2021/04/05 11:23] (current)
@@ Line 1: / Line 1: @@
+====== Wrap Multiple Document Changes into one Compound Change =====
+If multiple changes on a document of a TextViewer or SourceViewer should be undo/redo-able with a single action then it must be wrapped into a compound change.
+<sxh java>
+IRewriteTarget target= viewer.getRewriteTarget();
+target.beginCompoundChange();
+try {
+    ...
+    doTheChanges();
+    ...
+} finally {
+    target.endCompoundChange();
+}
+</sxh>
+{{tag>java jface}}