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FinderRecursivePanel#mergeListItems: optimize when adding items to empty list (initial population)

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This commit is contained in:
Yann Cébron
2015-05-18 18:33:56 +02:00
parent 7d2b66d738
commit 0d71a383ce
1 changed files with 10 additions and 3 deletions
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platform/platform-impl/src/com/intellij/ui/FinderRecursivePanel.java
+10 -3
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@@ -1,5 +1,5 @@
/*
* Copyright 2000-2014 JetBrains s.r.o.
* Copyright 2000-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -533,7 +533,13 @@ public abstract class FinderRecursivePanel<T> extends JBSplitter implements Data
});
}
public static <T> void mergeListItems(@NotNull CollectionListModel<T> listModel, @NotNull List<T> newItems) {
static <T> void mergeListItems(@NotNull CollectionListModel<T> listModel, @NotNull List<T> newItems) {
boolean isEmptyList = listModel.getSize() == 0;
if (isEmptyList) {
listModel.add(newItems);
return;
}
// remove items
for (int i = listModel.getSize() - 1; i >= 0; i--) {
if (!newItems.contains(listModel.getElementAt(i))) {
@@ -574,7 +580,8 @@ public abstract class FinderRecursivePanel<T> extends JBSplitter implements Data
final FinderRecursivePanel childPanel = (FinderRecursivePanel)myChild;
if (withUpdatePanel) {
childPanel.init();
} else {
}
else {
childPanel.initWithoutUpdatePanel();
}
}