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- /*
- @VaadinApache2LicenseForJavaFiles@
- */
- /**
- *
- */
- package com.vaadin.terminal.gwt.client.ui.dd;
-
- import com.google.gwt.user.client.ui.Widget;
- import com.vaadin.terminal.gwt.client.UIDL;
- import com.vaadin.terminal.gwt.client.ui.tree.VTree;
- import com.vaadin.terminal.gwt.client.ui.tree.VTree.TreeNode;
-
- @AcceptCriterion("com.vaadin.ui.Tree.TargetInSubtree")
- final public class VTargetInSubtree extends VAcceptCriterion {
-
- @Override
- protected boolean accept(VDragEvent drag, UIDL configuration) {
-
- VTree tree = (VTree) VDragAndDropManager.get().getCurrentDropHandler()
- .getConnector();
- TreeNode treeNode = tree.getNodeByKey((String) drag.getDropDetails()
- .get("itemIdOver"));
- if (treeNode != null) {
- Widget parent2 = treeNode;
- int depth = configuration.getIntAttribute("depth");
- if (depth < 0) {
- depth = Integer.MAX_VALUE;
- }
- final String searchedKey = configuration.getStringAttribute("key");
- for (int i = 0; i <= depth && parent2 instanceof TreeNode; i++) {
- if (searchedKey.equals(((TreeNode) parent2).key)) {
- return true;
- }
- // panel -> next level node
- parent2 = parent2.getParent().getParent();
- }
- }
-
- return false;
- }
- }
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