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Fix error when dragging tree node over empty area #142

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Fix error when dragging tree node over empty area #142

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8 changes: 5 additions & 3 deletions substance/src/main/java/org/pushingpixels/substance/internal/ui/SubstanceTreeUI.java
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Original file line number Diff line number Diff line change
Expand Up @@ -522,9 +522,11 @@ public void run() {
.getOldValue();
if (oldValue != null && oldValue.getPath() != null) {
TreePath oldDrop = oldValue.getPath();
Rectangle oldBounds = getPathBounds(tree, oldDrop);
tree.repaint(0, oldBounds.y, tree.getWidth(),
oldBounds.height);
if (oldDrop != null) {
Rectangle oldBounds = getPathBounds(tree, oldDrop);
tree.repaint(0, oldBounds.y, tree.getWidth(),
oldBounds.height);
}
}
JTree.DropLocation currLocation = tree.getDropLocation();
if (currLocation != null) {
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