diff options
Diffstat (limited to 'libjava/classpath/gnu/java/awt/peer/gtk/GtkFileDialogPeer.java')
-rw-r--r-- | libjava/classpath/gnu/java/awt/peer/gtk/GtkFileDialogPeer.java | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/awt/peer/gtk/GtkFileDialogPeer.java b/libjava/classpath/gnu/java/awt/peer/gtk/GtkFileDialogPeer.java new file mode 100644 index 00000000000..bd1f0775a92 --- /dev/null +++ b/libjava/classpath/gnu/java/awt/peer/gtk/GtkFileDialogPeer.java @@ -0,0 +1,219 @@ +/* GtkFileDialogPeer.java -- Implements FileDialogPeer with GTK + Copyright (C) 1998, 1999, 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 gnu.java.awt.peer.gtk; + +import java.awt.Dialog; +import java.awt.FileDialog; +import java.awt.Graphics; +import java.awt.Window; +import java.awt.peer.FileDialogPeer; +import java.io.File; +import java.io.FilenameFilter; + +public class GtkFileDialogPeer extends GtkDialogPeer implements FileDialogPeer +{ + static final String FS = System.getProperty("file.separator"); + + private String currentFile = null; + private String currentDirectory = null; + private FilenameFilter filter; + + native void create (GtkContainerPeer parent); + native void connectSignals (); + native void nativeSetFile (String file); + public native String nativeGetDirectory(); + public native void nativeSetDirectory(String directory); + native void nativeSetFilenameFilter (FilenameFilter filter); + + public void create() + { + create((GtkContainerPeer) awtComponent.getParent().getPeer()); + + FileDialog fd = (FileDialog) awtComponent; + + setDirectory(fd.getDirectory()); + setFile(fd.getFile()); + + FilenameFilter filter = fd.getFilenameFilter(); + if (filter != null) + setFilenameFilter(filter); + } + + public GtkFileDialogPeer (FileDialog fd) + { + super (fd); + } + + void setComponentBounds () + { + if (awtComponent.getHeight () == 0 + && awtComponent.getWidth () == 0) + { + int[] dims = new int[2]; + gtkWidgetGetPreferredDimensions (dims); + ((GtkFileDialogPeer) this).setBoundsCallback ((Window) awtComponent, + awtComponent.getX (), + awtComponent.getY (), + dims[0], dims[1]); + } + super.setComponentBounds (); + } + + public void setFile (String fileName) + { + /* If nothing changed do nothing. This usually happens because + the only way we have to set the file name in FileDialog is by + calling its SetFile which will call us back. */ + if ((fileName == null && currentFile == null) + || (fileName != null && fileName.equals (currentFile))) + return; + + if (fileName == null || fileName.equals ("")) + { + currentFile = ""; + nativeSetFile (""); + return; + } + + // GtkFileChooser requires absolute filenames. If the given filename + // is not absolute, let's construct it based on current directory. + currentFile = fileName; + if (fileName.indexOf(FS) == 0) + { + nativeSetFile (fileName); + } + else + { + nativeSetFile (nativeGetDirectory() + FS + fileName); + } + } + + public void setDirectory (String directory) + { + /* If nothing changed so nothing. This usually happens because + the only way we have to set the directory in FileDialog is by + calling its setDirectory which will call us back. */ + if ((directory == null && currentDirectory == null) + || (directory != null && directory.equals (currentDirectory))) + return; + + if (directory == null || directory.equals ("")) + { + currentDirectory = FS; + nativeSetFile (FS); + return; + } + + currentDirectory = directory; + nativeSetDirectory (directory); + } + + public void setFilenameFilter (FilenameFilter filter) + { + this.filter = filter; + nativeSetFilenameFilter(filter); + } + + /* This method interacts with the native callback function of the + same name. The native function will extract the filename from the + GtkFileFilterInfo object and send it to this method, which will + in turn call the filter's accept() method and give back the return + value. */ + boolean filenameFilterCallback (String fullname) { + String filename = fullname.substring(fullname.lastIndexOf(FS) + 1); + String dirname = fullname.substring(0, fullname.lastIndexOf(FS)); + File dir = new File(dirname); + return filter.accept(dir, filename); + } + + public Graphics getGraphics () + { + // GtkFileDialog will repaint by itself + return null; + } + + void gtkHideFileDialog () + { + ((Dialog) awtComponent).hide(); + } + + void gtkDisposeFileDialog () + { + ((Dialog) awtComponent).dispose(); + } + + /* Callback to set the file and directory values when the user is finished + * with the dialog. + */ + void gtkSetFilename (String fileName) + { + FileDialog fd = (FileDialog) awtWidget; + if (fileName == null) + { + currentFile = null; + fd.setFile(null); + return; + } + + int sepIndex = fileName.lastIndexOf (FS); + if (sepIndex < 0) + { + /* This should never happen on Unix (all paths start with '/') */ + currentFile = fileName; + } + else + { + if (fileName.length() > (sepIndex + 1)) + { + String fn = fileName.substring (sepIndex + 1); + currentFile = fn; + } + else + { + currentFile = null; + } + + String dn = fileName.substring (0, sepIndex + 1); + currentDirectory = dn; + fd.setDirectory(dn); + } + + fd.setFile (currentFile); + } +} |