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Diffstat (limited to 'libjava/classpath/java/awt/FileDialog.java')
-rw-r--r-- | libjava/classpath/java/awt/FileDialog.java | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/libjava/classpath/java/awt/FileDialog.java b/libjava/classpath/java/awt/FileDialog.java new file mode 100644 index 0000000..7f2723e --- /dev/null +++ b/libjava/classpath/java/awt/FileDialog.java @@ -0,0 +1,318 @@ +/* FileDialog.java -- A filename selection dialog box + Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.awt; + +import java.awt.peer.FileDialogPeer; +import java.io.FilenameFilter; +import java.io.Serializable; + +/** + * This class implements a file selection dialog box widget. + * + * @author Aaron M. Renn (arenn@urbanophile.com) + * @author Tom Tromey (tromey@redhat.com) + */ +public class FileDialog extends Dialog implements Serializable +{ + +/* + * Static Variables + */ + +/** + * Indicates that the purpose of the dialog is for opening a file. + */ +public static final int LOAD = 0; + +/** + * Indicates that the purpose of the dialog is for saving a file. + */ +public static final int SAVE = 1; + +// Serialization constant +private static final long serialVersionUID = 5035145889651310422L; + +/*************************************************************************/ + +/* + * Instance Variables + */ + +/** + * @serial The directory for this file dialog. + */ +private String dir; + +/** + * @serial The filename for this file dialog + */ +private String file; + +/** + * @serial The filter for selecting filenames to display + */ +private FilenameFilter filter; + +/** + * @serial The mode of this dialog, either <code>LOAD</code> or + * <code>SAVE</code>. + */ +private int mode; + +/*************************************************************************/ + +/* + * Constructors + */ + +/** + * Initializes a new instance of <code>FileDialog</code> with the + * specified parent. This dialog will have no title and will be for + * loading a file. + * + * @param parent The parent frame for this dialog. + */ +public +FileDialog(Frame parent) +{ + this(parent, "", LOAD); +} + +/*************************************************************************/ + +/** + * Initialized a new instance of <code>FileDialog</code> with the + * specified parent and title. This dialog will be for opening a file. + * + * @param parent The parent frame for this dialog. + * @param title The title for this dialog. + */ +public +FileDialog(Frame parent, String title) +{ + this(parent, title, LOAD); +} + +/*************************************************************************/ + +/** + * Initialized a new instance of <code>FileDialog</code> with the + * specified parent, title, and mode. + * + * @param parent The parent frame for this dialog. + * @param title The title for this dialog. + * @param mode The mode of the dialog, either <code>LOAD</code> or + * <code>SAVE</code>. + * + * @exception IllegalArgumentException If an illegal file dialog mode + * is supplied. + */ +public +FileDialog(Frame parent, String title, int mode) +{ + super(parent, title, true); + + if ((mode != LOAD) && (mode != SAVE)) + throw new IllegalArgumentException ( + "Mode argument must be either LOAD or SAVE"); + + setMode (mode); +} + +/*************************************************************************/ + +/* + * Instance Methods + */ + +/** + * Returns the mode of this dialog, either <code>LOAD</code> or + * <code>SAVE</code>. + * + * @return The mode of this dialog. + */ +public int +getMode() +{ + return(mode); +} + +/*************************************************************************/ + +/** + * Sets the mode of this dialog to either <code>LOAD</code> or + * <code>SAVE</code>. This method is only effective before the native + * peer is created. + * + * @param mode The new mode of this file dialog. + * + * @exception IllegalArgumentException If an illegal file dialog mode + * is supplied. + */ +public void +setMode(int mode) +{ + if ((mode != LOAD) && (mode != SAVE)) + throw new IllegalArgumentException("Bad mode: " + mode); + + this.mode = mode; +} + +/*************************************************************************/ + +/** + * Returns the directory for this file dialog. + * + * @return The directory for this file dialog. + */ +public String +getDirectory() +{ + return(dir); +} + +/*************************************************************************/ + +/** + * Sets the directory for this file dialog. + * + * @param dir The new directory for this file dialog. + */ +public synchronized void +setDirectory(String dir) +{ + this.dir = dir; + if (peer != null) + { + FileDialogPeer f = (FileDialogPeer) peer; + f.setDirectory (dir); + } +} + +/*************************************************************************/ + +/** + * Returns the file that is selected in this dialog. + * + * @return The file that is selected in this dialog. + */ +public String +getFile() +{ + return(file); +} + +/*************************************************************************/ + +/** + * Sets the selected file for this dialog. + * + * @param file The selected file for this dialog. + */ +public synchronized void +setFile(String file) +{ + this.file = file; + if (peer != null) + { + FileDialogPeer f = (FileDialogPeer) peer; + f.setFile (file); + } +} + +/*************************************************************************/ + +/** + * Returns the filename filter being used by this dialog. + * + * @return The filename filter being used by this dialog. + */ +public FilenameFilter +getFilenameFilter() +{ + return(filter); +} + +/*************************************************************************/ + +/** + * Sets the filename filter used by this dialog. + * + * @param filter The new filename filter for this file dialog box. + */ +public synchronized void +setFilenameFilter(FilenameFilter filter) +{ + this.filter = filter; + if (peer != null) + { + FileDialogPeer f = (FileDialogPeer) peer; + f.setFilenameFilter (filter); + } +} + +/*************************************************************************/ + +/** + * Creates the native peer for this file dialog box. + */ +public void +addNotify() +{ + if (peer == null) + peer = getToolkit ().createFileDialog (this); + super.addNotify (); +} + +/*************************************************************************/ + +/** + * Returns a debugging string for this object. + * + * @return A debugging string for this object. + */ +protected String +paramString() +{ + return ("dir=" + dir + ",file=" + file + + ",mode=" + mode + "," + super.paramString()); +} + +} // class FileDialog + |