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Fixing nullpointer exception when managing criteria tree

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This commit is contained in:
Lorenzo Tilve 2010-09-06 12:19:29 +02:00
parent 333486fe51
commit a727dd771f
1 changed files with 10 additions and 9 deletions
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19
navalplanner-webapp/src/main/java/org/navalplanner/web/resources/criterion/CriterionTreeController.java
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@ -40,7 +40,6 @@ import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.util.GenericForwardComposer;
import org.zkoss.zul.Button;
import org.zkoss.zul.Checkbox;
import org.zkoss.zul.Label;
import org.zkoss.zul.Textbox;
import org.zkoss.zul.TreeModel;
import org.zkoss.zul.Treecell;
@ -414,17 +413,19 @@ public class CriterionTreeController extends GenericForwardComposer {
}
public static TreeViewStateSnapshot snapshotOpened(Tree tree) {
Iterator<Treeitem> itemsIterator = tree.getTreechildrenApi()
.getItems().iterator();
Set<Object> dataOpen = new HashSet<Object>();
Set<Object> all = new HashSet<Object>();
while (itemsIterator.hasNext()) {
Treeitem treeitem = (Treeitem) itemsIterator.next();
Object value = getAssociatedValue(treeitem);
if (treeitem.isOpen()) {
dataOpen.add(value);
if (tree != null && tree.getTreechildrenApi() != null) {
Iterator<Treeitem> itemsIterator = tree.getTreechildrenApi()
.getItems().iterator();
while (itemsIterator.hasNext()) {
Treeitem treeitem = (Treeitem) itemsIterator.next();
Object value = getAssociatedValue(treeitem);
if (treeitem.isOpen()) {
dataOpen.add(value);
}
all.add(value);
}
all.add(value);
}
return new TreeViewStateSnapshot(dataOpen, all);
}