hongshaorou/openrocket
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when using 'File > Save As..' dialog, this patch will update the filename extension directly within the dialog box, upon chanig the FileFilter type, in addition to after the dialog is accepted.

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This commit is contained in:
Daniel_M_Williams 2015-01-20 13:39:26 -05:00
parent 073c868a1e
commit b75d7e38c6
2 changed files with 43 additions and 2 deletions
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3
core/src/net/sf/openrocket/gui/util/SimpleFileFilter.java
View File

@ -30,6 +30,9 @@ public class SimpleFileFilter extends FileFilter implements java.io.FileFilter {
this(description, true, extensions);
}
public String[] getExtensions() {
return extensions;
}
/**
* Create filter that accepts files with the provided extensions.

40
swing/src/net/sf/openrocket/gui/main/BasicFrame.java
View File

@ -12,6 +12,8 @@ import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
@ -92,6 +94,7 @@ import net.sf.openrocket.gui.util.GUIUtil;
import net.sf.openrocket.gui.util.Icons;
import net.sf.openrocket.gui.util.OpenFileWorker;
import net.sf.openrocket.gui.util.SaveFileWorker;
import net.sf.openrocket.gui.util.SimpleFileFilter;
import net.sf.openrocket.gui.util.SwingPreferences;
import net.sf.openrocket.l10n.Translator;
import net.sf.openrocket.logging.Markers;
@ -111,7 +114,7 @@ import net.sf.openrocket.utils.ComponentPresetEditor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BasicFrame extends JFrame {
public class BasicFrame extends JFrame implements PropertyChangeListener {
private static final Logger log = LoggerFactory.getLogger(BasicFrame.class);
private static final GeneralRocketSaver ROCKET_SAVER = new GeneralRocketSaver();
@ -1274,6 +1277,37 @@ public class BasicFrame extends JFrame {
return saveAs(file);
}
private static String oldFileName=null;
public void propertyChange(PropertyChangeEvent event){
if( JFileChooser.SELECTED_FILE_CHANGED_PROPERTY == event.getPropertyName()){
if(null != event.getOldValue()){
BasicFrame.oldFileName = ((File)event.getOldValue()).getName();
}
return;
}else if(JFileChooser.FILE_FILTER_CHANGED_PROPERTY == event.getPropertyName()){
JFileChooser chooser = (JFileChooser)event.getSource();
SimpleFileFilter filter = (SimpleFileFilter)(chooser.getFileFilter());
String desiredExtension = filter.getExtensions()[0];
if( null == BasicFrame.oldFileName){
return;
}
String thisFileName = BasicFrame.oldFileName;
if ( filter.accept( new File(thisFileName))){
// nop
return;
}else{
String[] splitResults = thisFileName.split("\\.");
if(0 < splitResults.length){
thisFileName = splitResults[0];
}
chooser.setSelectedFile(new File( thisFileName+desiredExtension));
return;
}
}
}
/**
* "Save As" action.
*
@ -1292,8 +1326,12 @@ public class BasicFrame extends JFrame {
StorageOptionChooser storageChooser =
new StorageOptionChooser(document, document.getDefaultStorageOptions());
final JFileChooser chooser = new JFileChooser();
chooser.setAcceptAllFileFilterUsed(false);
chooser.addChoosableFileFilter(FileHelper.OPENROCKET_DESIGN_FILTER);
chooser.addChoosableFileFilter(FileHelper.ROCKSIM_DESIGN_FILTER);
chooser.addPropertyChangeListener(JFileChooser.FILE_FILTER_CHANGED_PROPERTY, this);
chooser.addPropertyChangeListener(JFileChooser.SELECTED_FILE_CHANGED_PROPERTY, this);
chooser.addPropertyChangeListener(JFileChooser.SELECTED_FILES_CHANGED_PROPERTY, this);
//Force the file filter to match the file extension that was opened. Will default to OR if the file is null.
if (FileHelper.ROCKSIM_DESIGN_FILTER.accept(document.getFile())) {