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/*
 * Copyright (C) 2004-2014 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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 org.databene.commons.ui.awt;

import java.awt.Component;
import java.awt.FileDialog;
import java.awt.Frame;
import java.io.File;

import org.databene.commons.Assert;
import org.databene.commons.SystemInfo;
import org.databene.commons.ui.FileOperation;
import org.databene.commons.ui.FileTypeSupport;
import org.databene.commons.ui.FileChooser;

/**
 * AWT based implementation of the {@link FileChooser} interface.
*
* Created at 14.12.2008 14:36:28 * @since 0.5.13 * @author Volker Bergmann */ public class AwtFileChooser extends FileDialog implements FileChooser { private static final long serialVersionUID = -3217299586317875276L; FileTypeSupport supportedTypes; public AwtFileChooser(String prompt, FileOperation operation, FileTypeSupport supportedTypes) { super((Frame) null, prompt, (operation == FileOperation.OPEN ? FileDialog.LOAD : FileDialog.SAVE)); Assert.notNull(supportedTypes, "supportedTypes"); Assert.notNull(operation, "operation"); this.supportedTypes = supportedTypes; } @Override public File chooseFile(Component owner) { if (supportedTypes == FileTypeSupport.directoriesOnly) System.setProperty("apple.awt.fileDialogForDirectories", "true"); setVisible(true); System.setProperty("apple.awt.fileDialogForDirectories", "false"); return getSelectedFile(); } @Override public void setCurrentDirectory(File currentDirectory) { if (currentDirectory == null) currentDirectory = new File(SystemInfo.getCurrentDir()); setDirectory(currentDirectory.getAbsolutePath()); } @Override public void setSelectedFile(File file) { setDirectory(file.getParent()); setFile(file.getName()); } @Override public File getSelectedFile() { if (getFile() == null) return null; return new File(getDirectory(), getFile()); } }




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