public Object getData(String dataId) { if (PlatformDataKeys.VIRTUAL_FILE_ARRAY.getName().equals(dataId)) { List<VirtualFile> files = new LinkedList<VirtualFile>(); TreePath[] treePaths = getSelectionPaths(); if (treePaths != null) { for (TreePath tp : treePaths) { Object lastPathComponent = tp.getLastPathComponent(); if (lastPathComponent instanceof AbstractFileTreeNode) { AbstractFileTreeNode node = (AbstractFileTreeNode) lastPathComponent; VirtualFile file = node.getFile(); if (file.isValid()) { files.add(file); } } } } return files.toArray(new VirtualFile[files.size()]); } else if (PlatformDataKeys.VIRTUAL_FILE.getName().equals(dataId)) { TreePath tp = getSelectedPath(); if (tp == null) { return super.getData(dataId); } Object lastPathComponent = tp.getLastPathComponent(); if (lastPathComponent instanceof AbstractFileTreeNode) { AbstractFileTreeNode node = (AbstractFileTreeNode) lastPathComponent; VirtualFile file = node.getFile(); if (file.isValid()) { return file; } } } else if (PlatformDataKeys.COPY_PROVIDER.getName().equals(dataId)) { return new FilePaneCopyProvider(); } else if (PlatformDataKeys.PASTE_PROVIDER.getName().equals(dataId)) { return new FilePanePasteProvider(); } else if (PlatformDataKeys.CUT_PROVIDER.getName().equals(dataId)) { return new FilePaneCopyProvider(); } else if (dataId.equals(MPSDataKeys.PLACE.getName())) { TreeNode treeNode = getSelectedTreeNode(TreeNode.class); if (treeNode instanceof ModuleTreeNode) { return ActionPlace.PROJECT_PANE_MODULE; } else if (treeNode instanceof FileTreeNode) { return ActionPlace.PROJECT_PANE_FILE; } else if (treeNode instanceof FolderTreeNode) { return ActionPlace.PROJECT_PANE_FOLDER; } } return super.getData(dataId); }