/*
* Copyright 1996-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.awt.windows;
import java.awt.*;
import java.awt.dnd.DropTarget;
import java.awt.peer.*;
import java.io.File;
import java.io.FilenameFilter;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ResourceBundle;
import java.util.MissingResourceException;
import java.util.Vector;
import sun.awt.AppContext;
import sun.awt.ComponentAccessor;
public class WFileDialogPeer extends WWindowPeer implements FileDialogPeer {
static {
initIDs();
}
private WComponentPeer parent;
private FilenameFilter fileFilter;
private Vector<WWindowPeer> blockedWindows = new Vector<WWindowPeer>();
//Needed to fix 4152317
private static native void setFilterString(String allFilter);
public void setFilenameFilter(FilenameFilter filter) {
this.fileFilter = filter;
}
boolean checkFilenameFilter(String filename) {
FileDialog fileDialog = (FileDialog)target;
if (fileFilter == null) {
return true;
}
File file = new File(filename);
return fileFilter.accept(new File(file.getParent()), file.getName());
}
// Toolkit & peer internals
WFileDialogPeer(FileDialog target) {
super(target);
}
void create(WComponentPeer parent) {
this.parent = parent;
}
// don't use checkCreation() from WComponentPeer to avoid hwnd check
protected void checkCreation() {
}
void initialize() {
setFilenameFilter(((FileDialog) target).getFilenameFilter());
}
private native void _dispose();
protected void disposeImpl() {
WToolkit.targetDisposedPeer(target, this);
_dispose();
}
private native void _show();
private native void _hide();
public void show() {
new Thread(new Runnable() {
public void run() {
_show();
}
}).start();
}
public void hide() {
_hide();
}
// called from native code when the dialog is shown or hidden
void setHWnd(long hwnd) {
if (this.hwnd == hwnd) {
return;
}
this.hwnd = hwnd;
for (WWindowPeer window : blockedWindows) {
if (hwnd != 0) {
window.modalDisable((Dialog)target, hwnd);
} else {
window.modalEnable((Dialog)target);
}
}
}
// NOTE: This method is called by privileged threads.
// DO NOT INVOKE CLIENT CODE ON THIS THREAD!
void handleSelected(final String file) {
final FileDialog fileDialog = (FileDialog)target;
WToolkit.executeOnEventHandlerThread(fileDialog, new Runnable() {
public void run() {
int index = file.lastIndexOf(java.io.File.separatorChar);/*2509*//*ibm*/
String dir;
if (index == -1) {
dir = "."+java.io.File.separator;
fileDialog.setFile(file);
}
else {
dir = file.substring(0, index + 1);
fileDialog.setFile(file.substring(index + 1));
}
fileDialog.setDirectory(dir);
fileDialog.hide();
}
});
} // handleSelected()
// NOTE: This method is called by privileged threads.
// DO NOT INVOKE CLIENT CODE ON THIS THREAD!
void handleCancel() {
final FileDialog fileDialog = (FileDialog)target;
WToolkit.executeOnEventHandlerThread(fileDialog, new Runnable() {
public void run() {
fileDialog.setFile(null);
fileDialog.hide();
}
});
} // handleCancel()
//This whole static block is a part of 4152317 fix
static {
String filterString = (String) AccessController.doPrivileged(
new PrivilegedAction() {
public Object run() {
try {
ResourceBundle rb = ResourceBundle.getBundle("sun.awt.windows.awtLocalization");
return rb.getString("allFiles");
} catch (MissingResourceException e) {
return "All Files";
}
}
});
setFilterString(filterString);
}
void blockWindow(WWindowPeer window) {
blockedWindows.add(window);
// if this dialog hasn't got an HWND, notification is
// postponed until setHWnd() is called
if (hwnd != 0) {
window.modalDisable((Dialog)target, hwnd);
}
}
void unblockWindow(WWindowPeer window) {
blockedWindows.remove(window);
// if this dialog hasn't got an HWND or has been already
// closed, don't send notification
if (hwnd != 0) {
window.modalEnable((Dialog)target);
}
}
public void blockWindows(java.util.List<Window> toBlock) {
for (Window w : toBlock) {
WWindowPeer wp = (WWindowPeer)ComponentAccessor.getPeer(w);
if (wp != null) {
blockWindow(wp);
}
}
}
public native void toFront();
public native void toBack();
// unused methods. Overridden to disable this functionality as
// it requires HWND which is not available for FileDialog
public void setAlwaysOnTop(boolean value) {}
public void setDirectory(String dir) {}
public void setFile(String file) {}
public void setTitle(String title) {}
public void setResizable(boolean resizable) {}
public void enable() {}
public void disable() {}
public void reshape(int x, int y, int width, int height) {}
public boolean handleEvent(Event e) { return false; }
public void setForeground(Color c) {}
public void setBackground(Color c) {}
public void setFont(Font f) {}
public void updateMinimumSize() {}
public void updateIconImages() {}
public boolean requestFocus(boolean temporary,
boolean focusedWindowChangeAllowed) {
return false;
}
void start() {}
public void beginValidate() {}
public void endValidate() {}
void invalidate(int x, int y, int width, int height) {}
public void addDropTarget(DropTarget dt) {}
public void removeDropTarget(DropTarget dt) {}
public void updateFocusableWindowState() {}
/**
* Initialize JNI field and method ids
*/
private static native void initIDs();
/**
* WFileDialogPeer doesn't have native pData so we don't do restack on it
* @see java.awt.peer.ContainerPeer#restack
*/
public void restack() {
}
/**
* @see java.awt.peer.ContainerPeer#isRestackSupported
*/
public boolean isRestackSupported() {
return false;
}
}