protected void enableDnD() {
if (!ApplicationManager.getApplication().isHeadlessEnvironment()) {
myDropTarget =
new ProjectViewDropTarget(
myTree,
new Retriever() {
@Override
public PsiElement getPsiElement(@Nullable TreeNode node) {
return getPSIElement(getElementFromTreeNode(node));
}
@Override
public Module getModule(TreeNode treeNode) {
return getNodeModule(getElementFromTreeNode(treeNode));
}
},
myProject);
myDragSource = new MyDragSource();
myDndManager = DnDManager.getInstance();
myDndManager.registerSource(myDragSource, myTree);
myDndManager.registerTarget(myDropTarget, myTree);
}
}
