protected JTree createTree() {
Tree internalTree = createInternalTree();
myFileSystemTree =
new FileSystemTreeImpl(myProject, myChooserDescriptor, internalTree, null, null, null);
internalTree.setRootVisible(myChooserDescriptor.isTreeRootVisible());
internalTree.setShowsRootHandles(true);
Disposer.register(myDisposable, myFileSystemTree);
myFileSystemTree.addOkAction(this::doOKAction);
JTree tree = myFileSystemTree.getTree();
tree.setCellRenderer(new NodeRenderer());
tree.getSelectionModel().addTreeSelectionListener(new FileTreeSelectionListener());
tree.addTreeExpansionListener(new FileTreeExpansionListener());
setOKActionEnabled(false);
myFileSystemTree.addListener(
new FileSystemTree.Listener() {
public void selectionChanged(final List<VirtualFile> selection) {
updatePathFromTree(selection, false);
}
},
myDisposable);
new FileDrop(
tree,
new FileDrop.Target() {
public FileChooserDescriptor getDescriptor() {
return myChooserDescriptor;
}
public boolean isHiddenShown() {
return myFileSystemTree.areHiddensShown();
}
public void dropFiles(final List<VirtualFile> files) {
if (!myChooserDescriptor.isChooseMultiple() && files.size() > 0) {
selectInTree(new VirtualFile[] {files.get(0)}, true, true);
} else {
selectInTree(VfsUtilCore.toVirtualFileArray(files), true, true);
}
}
});
return tree;
}
