com.anrisoftware.prefdialog.miscswing.filechoosers.SaveFileDialogModel Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of prefdialog-misc-swing Show documentation
Show all versions of prefdialog-misc-swing Show documentation
Miscellaneous swing components.
The newest version!
/*
* Copyright 2013-2016 Erwin Müller
*
* This file is part of prefdialog-misc-swing.
*
* prefdialog-misc-swing is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* prefdialog-misc-swing is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with prefdialog-misc-swing. If not, see .
*/
package com.anrisoftware.prefdialog.miscswing.filechoosers;
import static com.anrisoftware.prefdialog.miscswing.filechoosers.FileFilterExtension.appendExtensionToFile;
import static javax.swing.SwingUtilities.invokeLater;
import java.awt.Component;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.beans.PropertyVetoException;
import java.beans.VetoableChangeListener;
import java.beans.VetoableChangeSupport;
import java.io.File;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import org.apache.commons.lang3.builder.ToStringBuilder;
/**
* Opens the file save chooser dialog.
*
* @author Erwin Mueller, [email protected]
* @since 3.2
*/
@SuppressWarnings("serial")
public class SaveFileDialogModel implements FileChooserModel {
private final VetoableChangeSupport vetoableChange;
private final PropertyChangeSupport propertySupport;
private JFileChooser chooser;
private File file;
private FileFilter fileFilter;
private boolean attachFileExtension;
public SaveFileDialogModel() {
this.vetoableChange = new VetoableChangeSupport(this);
this.propertySupport = new PropertyChangeSupport(this);
this.attachFileExtension = true;
}
@Override
public void setFileChooser(JFileChooser chooser) {
this.chooser = chooser;
}
@Override
public JFileChooser getFileChooser() {
return chooser;
}
/**
* Attach automatically the selected file extension.
*
* @param attach
* set to {@code true} to automatically attach the selected file
* extension.
*
* @since 3.1
*/
public void setAttachFileExtension(boolean attach) {
this.attachFileExtension = attach;
}
@Override
public void openDialog(Component parent) throws PropertyVetoException {
int result = chooser.showSaveDialog(parent);
if (result == JFileChooser.APPROVE_OPTION) {
setFileFilter(chooser.getFileFilter());
setFile(chooser.getSelectedFile());
} else {
setFileFilter(null);
setFile(null);
}
}
@Override
public void setFileFilter(FileFilter filter) {
Object oldValue = this.fileFilter;
this.fileFilter = filter;
propertySupport.firePropertyChange(FILE_FILTER_PROPERTY, oldValue,
filter);
}
@Override
public FileFilter getFileFilter() {
return fileFilter;
}
@Override
public void setFile(File file) throws PropertyVetoException {
File oldValue = this.file;
this.file = attachFileExtension(file);
updateSelectedFile(file);
vetoableChange.fireVetoableChange(FILE_PROPERTY, oldValue, file);
}
private File attachFileExtension(File file) {
if (file == null || fileFilter == null || !attachFileExtension) {
return file;
}
if (fileFilter instanceof FileFilterExtension) {
FileFilterExtension f = (FileFilterExtension) fileFilter;
return f.appendExtension(file);
}
if (fileFilter instanceof FileNameExtensionFilter) {
FileNameExtensionFilter f = (FileNameExtensionFilter) fileFilter;
if (f.getExtensions().length > 0) {
String extension = f.getExtensions()[0];
return appendExtensionToFile(file, extension);
}
}
return file;
}
private void updateSelectedFile(final File file) {
if (file == null) {
return;
}
invokeLater(new Runnable() {
@Override
public void run() {
if (file.isDirectory()) {
chooser.setCurrentDirectory(file);
} else {
chooser.setSelectedFile(file);
}
}
});
}
@Override
public File getFile() {
return file;
}
/**
* @see PropertyChangeSupport#addPropertyChangeListener(PropertyChangeListener)
*/
@Override
public void addPropertyChangeListener(PropertyChangeListener listener) {
propertySupport.addPropertyChangeListener(listener);
}
/**
* @see PropertyChangeSupport#removePropertyChangeListener(PropertyChangeListener)
*/
@Override
public void removePropertyChangeListener(PropertyChangeListener listener) {
propertySupport.removePropertyChangeListener(listener);
}
/**
* @see PropertyChangeSupport#addPropertyChangeListener(String,
* PropertyChangeListener)
*/
@Override
public void addPropertyChangeListener(String propertyName,
PropertyChangeListener listener) {
propertySupport.addPropertyChangeListener(propertyName, listener);
}
/**
* @see PropertyChangeSupport#removePropertyChangeListener(String,
* PropertyChangeListener)
*/
@Override
public void removePropertyChangeListener(String propertyName,
PropertyChangeListener listener) {
propertySupport.removePropertyChangeListener(propertyName, listener);
}
@Override
public void addVetoableChangeListener(VetoableChangeListener listener) {
vetoableChange.addVetoableChangeListener(listener);
}
@Override
public void removeVetoableChangeListener(VetoableChangeListener listener) {
vetoableChange.removeVetoableChangeListener(listener);
}
@Override
public void addVetoableChangeListener(String propertyName,
VetoableChangeListener listener) {
vetoableChange.addVetoableChangeListener(propertyName, listener);
}
@Override
public void removeVetoableChangeListener(String propertyName,
VetoableChangeListener listener) {
vetoableChange.removeVetoableChangeListener(propertyName, listener);
}
@Override
public String toString() {
return new ToStringBuilder(this).toString();
}
}