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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package net.java.sip.communicator.plugin.desktoputil;
import java.awt.*;
import java.io.*;
import java.net.*;
import org.jitsi.util.*;
/**
* Implements <tt>SipCommFileChooser</tt> for AWT's <tt>FileDialog</tt>.
*
* @author Valentin Martinet
*/
public class SipCommFileDialogImpl
extends FileDialog
implements SipCommFileChooser
{
/**
* The serialization-related version of the <tt>SipCommFileDialogImpl</tt>
* class explicitly defined to silence a related warning (e.g. in Eclipse
* IDE) since the <tt>SipCommFileDialogImpl</tt> class does not add instance
* fields.
*/
private static final long serialVersionUID = 0L;
/**
* The selection mode, the default is files only, can be changed to
* DIRECTORIES_ONLY.
*/
private int selectionMode = FILES_ONLY;
/**
* Constructor
*
* @param parent the parent frame of this dialog
* @param title the title for this dialog
*/
public SipCommFileDialogImpl(Frame parent, String title)
{
super(parent, title);
}
/**
* Constructor
*
* @param parent the parent frame of this dialog
* @param title the title for this dialog
* @param fileOperation request a 'load file' or 'save file' dialog
*/
public SipCommFileDialogImpl(Frame parent, String title, int fileOperation)
{
super(parent, title, fileOperation);
}
/**
* Returns the selected file by the user from the dialog.
*
* @return File the selected file from the dialog
*/
public File getApprovedFile()
{
String file = getFile();
return (file != null) ? new File(getDirectory(), file) : null;
}
/**
* Sets the default path to be considered for browsing among files.
*
* @param path the default start path for this dialog
*/
public void setStartPath(String path)
{
// If the path is null, we have nothing more to do here.
if (path == null)
return;
// If the path is an URL extract the path from the URL in order to
// remove the "file:" part, which doesn't work with methods provided
// by the file chooser.
try
{
URL url = new URL(path);
path = url.getPath();
}
catch (MalformedURLException e) {}
File file = new File(path);
if ((file != null) && !file.isDirectory())
{
setDirectory(file.getParent());
setFile(file.getName());
}
else
{
setDirectory(path);
setFile(null);
}
}
/**
* Shows the dialog and returns the selected file.
*
* @return File the selected file in this dialog
*/
public File getFileFromDialog()
{
this.setVisible(true);
return this.getApprovedFile();
}
/**
* Adds a file filter to this dialog.
*
* @param filter the filter to add
*/
public void addFilter(SipCommFileFilter filter)
{
this.setFilenameFilter(filter);
}
/**
* Sets a file filter to this dialog.
*
* @param filter the filter to add
*/
public void setFileFilter(SipCommFileFilter filter)
{
this.setFilenameFilter(filter);
}
/**
* Returns the filter the user has chosen for saving a file.
*
* @return SipCommFileFilter the used filter when saving a file
*/
public SipCommFileFilter getUsedFilter()
{
return (SipCommFileFilter)this.getFilenameFilter();
}
/**
* Change the selection mode for the file choose.
* Possible values are DIRECTORIES_ONLY or FILES_ONLY, default is
* FILES_ONLY.
*
* @param mode the mode to use.
*/
public void setSelectionMode(int mode)
{
this.selectionMode = mode;
}
/**
* Shows or hides the file chooser dialog.
* @param b if <code>true</code>, shows the dialog;
* otherwise, hides it
*/
@Override
public void setVisible(boolean b)
{
// workaround to make sure we choose only folders on macosx
if(OSUtils.IS_MAC && selectionMode == DIRECTORIES_ONLY)
System.setProperty(
"apple.awt.fileDialogForDirectories", "true");
super.setVisible(b);
if(OSUtils.IS_MAC && selectionMode == DIRECTORIES_ONLY)
System.setProperty(
"apple.awt.fileDialogForDirectories", "false");
}
}
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