| /* |
| * Copyright 2000-2011 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.openapi.fileChooser.ex; |
| |
| import com.intellij.ide.dnd.FileCopyPasteUtil; |
| import com.intellij.openapi.fileChooser.FileChooserDescriptor; |
| import com.intellij.openapi.vfs.LocalFileSystem; |
| import com.intellij.openapi.vfs.VirtualFile; |
| |
| import javax.swing.*; |
| import java.awt.dnd.*; |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class FileDrop { |
| public FileDrop(JComponent c, final Target target) { |
| final DropTargetListener listener = new DropTargetListener() { |
| public void dragEnter(final DropTargetDragEvent event) { |
| } |
| |
| public void dragOver(final DropTargetDragEvent event) { |
| } |
| |
| public void dropActionChanged(final DropTargetDragEvent event) { |
| } |
| |
| public void dragExit(final DropTargetEvent dte) { |
| } |
| |
| public void drop(final DropTargetDropEvent event) { |
| event.acceptDrop(event.getDropAction()); |
| |
| final List<File> fileList = FileCopyPasteUtil.getFileList(event.getTransferable()); |
| if (fileList == null) return; |
| |
| final List<VirtualFile> files = new ArrayList<VirtualFile>(); |
| final LocalFileSystem fileSystem = LocalFileSystem.getInstance(); |
| for (File file : fileList) { |
| final VirtualFile vFile = fileSystem.findFileByIoFile(file); |
| if (vFile != null && vFile.exists() && target.getDescriptor().isFileVisible(vFile, target.isHiddenShown())) { |
| files.add(vFile); |
| } |
| } |
| |
| if (files.size() > 0) { |
| target.dropFiles(files); |
| } |
| } |
| }; |
| |
| new DropTarget(c, TransferHandler.COPY_OR_MOVE, listener, true); |
| } |
| |
| public interface Target { |
| FileChooserDescriptor getDescriptor(); |
| boolean isHiddenShown(); |
| void dropFiles(List<VirtualFile> files); |
| } |
| } |