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avoid iterating all children of directory in order to determine its icon (IDEA-64348 redux)

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Dmitry Jemerov
2011-06-16 20:08:21 +02:00
parent 766c41c19c
commit 1d669aa076
1 changed files with 2 additions and 10 deletions
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platform/platform-impl/src/com/intellij/ide/actions/OpenProjectFileChooserDescriptor.java
+2 -10
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@@ -86,16 +86,8 @@ public class OpenProjectFileChooserDescriptor extends FileChooserDescriptor {
private static boolean isProjectDirectory(final VirtualFile virtualFile) {
// the root directory of any drive is never an IDEA project
if (virtualFile.getParent() == null) return false;
if (virtualFile.isDirectory() && virtualFile.isValid()) {
final VirtualFile[] children = virtualFile.getChildren();
if (children == null) return false;
for (VirtualFile file : children) {
if (file.getName().equals(Project.DIRECTORY_STORE_FOLDER)) return true;
if (isIprFile(file)) {
return true;
}
}
}
// NOTE: For performance reasons, it's very important not to iterate through all of the children here.
if (virtualFile.isDirectory() && virtualFile.isValid() && virtualFile.findChild(Project.DIRECTORY_STORE_FOLDER) != null) return true;
return false;
}
}