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avoid modifying passed list because it could be immutable (IDEA-CR-48322)

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GitOrigin-RevId: be92ec0c25a6debc7eaa156d71a57c9e0950e312
This commit is contained in:
Alexey Kudravtsev
2019-07-02 06:52:16 +03:00
committed by intellij-monorepo-bot
parent a279acf9e1
commit cd80131522
1 changed files with 3 additions and 3 deletions
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platform/vcs-impl/src/com/intellij/openapi/vcs/changes/committed/CommittedChangesTreeBrowser.java
+3 -3
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@@ -31,6 +31,7 @@ import com.intellij.ui.*;
import com.intellij.ui.treeStructure.Tree;
import com.intellij.ui.treeStructure.actions.CollapseAllAction;
import com.intellij.ui.treeStructure.actions.ExpandAllAction;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.containers.LinkedMultiMap;
import com.intellij.util.messages.MessageBusConnection;
import com.intellij.util.messages.Topic;
@@ -186,10 +187,10 @@ public class CommittedChangesTreeBrowser extends JPanel implements TypeSafeDataP
}
}
private TreeModel buildTreeModel(final List<? extends CommittedChangeList> filteredChangeLists) {
private TreeModel buildTreeModel(List<? extends CommittedChangeList> filteredChangeLists) {
DefaultMutableTreeNode root = new DefaultMutableTreeNode();
DefaultTreeModel model = new DefaultTreeModel(root);
Collections.sort(filteredChangeLists, myGroupingStrategy.getComparator());
filteredChangeLists = ContainerUtil.sorted(filteredChangeLists, myGroupingStrategy.getComparator());
myGroupingStrategy.beforeStart();
DefaultMutableTreeNode lastGroupNode = null;
String lastGroupName = null;
@@ -200,7 +201,6 @@ public class CommittedChangesTreeBrowser extends JPanel implements TypeSafeDataP
lastGroupNode = new DefaultMutableTreeNode(lastGroupName);
root.add(lastGroupNode);
}
assert lastGroupNode != null;
lastGroupNode.add(new DefaultMutableTreeNode(list));
}
return model;