本文整理汇总了Java中javax.swing.JFileChooser.getFileFilter方法的典型用法代码示例。如果您正苦于以下问题：Java JFileChooser.getFileFilter方法的具体用法？Java JFileChooser.getFileFilter怎么用？Java JFileChooser.getFileFilter使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.swing.JFileChooser的用法示例。
在下文中一共展示了JFileChooser.getFileFilter方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: selectExportTargetFile
import javax.swing.JFileChooser; //导入方法依赖的package包/类
private SelectedFile selectExportTargetFile(final ExportProvider exportProvider) {
File targetDir;
String targetName;
String defaultName = exportProvider.getViewName();
// 1. let the user choose file or directory
final JFileChooser chooser = getFileChooser();
if (exportDir != null) {
chooser.setCurrentDirectory(exportDir);
}
int result = chooser.showSaveDialog(WindowManager.getDefault().getRegistry().getActivated());
if (result != JFileChooser.APPROVE_OPTION) {
return null; // cancelled by the user
}
// 2. process both cases and extract file name and extension to use and set exported file type
File file = chooser.getSelectedFile();
String targetExt = null;
FileFilter selectedFileFilter = chooser.getFileFilter();
if (selectedFileFilter==null // workaround for #227659
|| selectedFileFilter.getDescription().equals(Bundle.BasicExportAction_ExportDialogCSVFilter())) {
targetExt=FILE_EXTENSION_CSV;
exportedFileType=MODE_CSV;
} else if (selectedFileFilter.getDescription().equals(Bundle.BasicExportAction_ExportDialogTXTFilter())) {
targetExt=FILE_EXTENSION_TXT;
exportedFileType=MODE_TXT;
} else if (selectedFileFilter.getDescription().equals(Bundle.BasicExportAction_ExportDialogBINFilter())) {
targetExt=FILE_EXTENSION_BIN;
exportedFileType=MODE_BIN;
}
if (file.isDirectory()) { // save to selected directory under default name
exportDir = file;
targetDir = file;
targetName = defaultName;
} else { // save to selected file
targetDir = fileChooser.getCurrentDirectory();
String fName = file.getName();
// divide the file name into name and extension
if (fName.endsWith("."+targetExt)) { // NOI18N
int idx = fName.lastIndexOf('.'); // NOI18N
targetName = fName.substring(0, idx);
} else { // no extension
targetName=fName;
}
}
// 3. set type of exported file and return a newly created FileObject
return new BasicExportAction.SelectedFile(targetDir, targetName, targetExt);
}
示例2: actionPerformed
import javax.swing.JFileChooser; //导入方法依赖的package包/类
/**
* {@inheritDoc} Displays a file chooser dialog
* and opens the selected files.
*/
@Override
public void actionPerformed(ActionEvent e) {
if (running) {
return;
}
try {
running = true;
JFileChooser chooser = prepareFileChooser();
File[] files;
try {
if( Boolean.getBoolean("nb.native.filechooser") ) { //NOI18N
String oldFileDialogProp = System.getProperty("apple.awt.fileDialogForDirectories"); //NOI18N
System.setProperty("apple.awt.fileDialogForDirectories", "false"); //NOI18N
FileDialog fileDialog = new FileDialog(WindowManager.getDefault().getMainWindow());
fileDialog.setMode(FileDialog.LOAD);
fileDialog.setDirectory(getCurrentDirectory().getAbsolutePath());
fileDialog.setTitle(chooser.getDialogTitle());
fileDialog.setVisible(true);
if( null != oldFileDialogProp ) {
System.setProperty("apple.awt.fileDialogForDirectories", oldFileDialogProp); //NOI18N
} else {
System.clearProperty("apple.awt.fileDialogForDirectories"); //NOI18N
}
if( fileDialog.getDirectory() != null && fileDialog.getFile() != null ) {
String selFile = fileDialog.getFile();
File dir = new File( fileDialog.getDirectory() );
files = new File[] { new File( dir, selFile ) };
currentDirectory = dir;
} else {
throw new UserCancelException();
}
} else {
files = chooseFilesToOpen(chooser);
currentDirectory = chooser.getCurrentDirectory();
if (chooser.getFileFilter() != null) { // #227187
currentFileFilter =
chooser.getFileFilter().getDescription();
}
}
} catch (UserCancelException ex) {
return;
}
for (int i = 0; i < files.length; i++) {
OpenFile.openFile(files[i], -1);
}
} finally {
running = false;
}
}
示例3: exportAsImage
import javax.swing.JFileChooser; //导入方法依赖的package包/类
/**
* Export the current graph as image by using a file selection dialog.
*/
private void exportAsImage() {
String currentFolder = null;
if (Application.getGlobalInfo() != null) {
// --- Get the last selected folder of Agent.GUI ---
currentFolder = Application.getGlobalInfo().getLastSelectedFolderAsString();
}
// --- Create instance of JFileChooser -----------------
JFileChooser jfc = new JFileChooser();
jfc.setMultiSelectionEnabled(false);
jfc.setAcceptAllFileFilterUsed(false);
// --- Add custom icons for file types. ----------------
jfc.setFileView(new ImageFileView());
// --- Add the preview pane. ---------------------------
jfc.setAccessory(new ImagePreview(jfc));
// --- Set the file filter -----------------------------
String[] extensionsJPEG = { ImageUtils.jpg, ImageUtils.jpeg };
ConfigurableFileFilter filterJPG = new ConfigurableFileFilter(extensionsJPEG, "JPEG - Image");
ConfigurableFileFilter filterPNG = new ConfigurableFileFilter(ImageUtils.png, "PNG - File");
ConfigurableFileFilter filterGIF = new ConfigurableFileFilter(ImageUtils.gif, "GIF - Image");
jfc.addChoosableFileFilter(filterGIF);
jfc.addChoosableFileFilter(filterJPG);
jfc.addChoosableFileFilter(filterPNG);
jfc.setFileFilter(filterPNG);
// --- Maybe set the current directory -----------------
if (currentFolder != null) {
jfc.setCurrentDirectory(new File(currentFolder));
}
// === Show dialog and wait on user action =============
int state = jfc.showSaveDialog(this);
if (state == JFileChooser.APPROVE_OPTION) {
ConfigurableFileFilter cff = (ConfigurableFileFilter) jfc.getFileFilter();
String selectedExtension = cff.getFileExtension()[0];
String mustExtension = "." + selectedExtension;
File selectedFile = jfc.getSelectedFile();
if (selectedFile != null) {
String selectedPath = selectedFile.getAbsolutePath();
if (selectedPath.endsWith(mustExtension) == false) {
selectedPath = selectedPath + mustExtension;
}
// ---------------------------------------------
// --- Export current display to image ---------
// ---------------------------------------------
this.exportAsImage(this.getVisualizationViewer(), selectedPath, selectedExtension);
// ---------------------------------------------
if (Application.getGlobalInfo() != null) {
Application.getGlobalInfo().setLastSelectedFolder(jfc.getCurrentDirectory());
}
}
} // end APPROVE_OPTION
}
示例4: saveAsImage
import javax.swing.JFileChooser; //导入方法依赖的package包/类
private void saveAsImage(){
// --- Determine image size ----------------------------
Integer imageWidth = Integer.parseInt(this.getTfImageWidth().getText());
if (imageWidth==0) {
JOptionPane.showMessageDialog(this, Language.translate("Bitte nur ganze Zahlen größer 0 eingeben!"), Language.translate("Fehlerhafte Eingabe"), JOptionPane.ERROR_MESSAGE);
this.setImageDefaultValues();
return;
}
Integer imageHeight = Integer.parseInt(this.getTfImageHeight().getText());
if (imageHeight==0) {
JOptionPane.showMessageDialog(this, Language.translate("Bitte nur ganze Zahlen größer 0 eingeben!"), Language.translate("Fehlerhafte Eingabe"), JOptionPane.ERROR_MESSAGE);
this.setImageDefaultValues();
return;
}
String currentFolder = null;
if (Application.getGlobalInfo()!=null) {
// --- Get the last selected folder of Agent.GUI ---
currentFolder = Application.getGlobalInfo().getLastSelectedFolderAsString();
}
// --- Create instance of JFileChooser -----------------
JFileChooser jfc = new JFileChooser();
jfc.setMultiSelectionEnabled(false);
jfc.setAcceptAllFileFilterUsed(false);
// --- Add custom icons for file types. ----------------
jfc.setFileView(new ImageFileView());
// --- Add the preview pane. ---------------------------
jfc.setAccessory(new ImagePreview(jfc));
// --- Set the file filter -----------------------------
String[] extensionsJPEG = {ImageUtils.jpg, ImageUtils.jpeg};
ConfigurableFileFilter filterJPG = new ConfigurableFileFilter(extensionsJPEG, "JPEG - Image");
ConfigurableFileFilter filterPNG = new ConfigurableFileFilter(ImageUtils.png, "PNG - File");
ConfigurableFileFilter filterGIF = new ConfigurableFileFilter(ImageUtils.gif, "GIF - Image");
jfc.addChoosableFileFilter(filterGIF);
jfc.addChoosableFileFilter(filterJPG);
jfc.addChoosableFileFilter(filterPNG);
jfc.setFileFilter(filterPNG);
// --- Maybe set the current directory -----------------
if (currentFolder != null) {
jfc.setCurrentDirectory(new File(currentFolder));
}
// === Show dialog and wait on user action =============
int state = jfc.showSaveDialog(this);
if (state == JFileChooser.APPROVE_OPTION) {
ConfigurableFileFilter cff = (ConfigurableFileFilter) jfc.getFileFilter();
String selectedExtension = cff.getFileExtension()[0];
String mustExtension = "." + selectedExtension;
File selectedFile = jfc.getSelectedFile();
if (selectedFile != null) {
String selectedPath = selectedFile.getAbsolutePath();
if (selectedPath.endsWith(mustExtension) == false) {
selectedPath = selectedPath + mustExtension;
}
BufferedImage image = this.exportChartAsImage(imageWidth, imageHeight);
this.writeImageFile(image, selectedPath, selectedExtension);
if (Application.getGlobalInfo() != null) {
Application.getGlobalInfo().setLastSelectedFolder(jfc.getCurrentDirectory());
}
}
}
}
示例5: openAEInputFileDialog
import javax.swing.JFileChooser; //导入方法依赖的package包/类
/**
* Called when user asks to open data file file dialog.
*/
@Override
public void openAEInputFileDialog() {
// try{Thread.currentThread().sleep(200);}catch(InterruptedException e){}
float oldScale = viewer.chipCanvas.getScale();
fileChooser = new JFileChooser();
// new TypeAheadSelector(fileChooser);
//com.sun.java.plaf.windows.WindowsFileChooserUI;
// fileChooser.addKeyListener(new KeyAdapter() {
// public void keyTyped(KeyEvent e){
// System.out.println("keycode="+e.getKeyCode());
// }
// });
// System.out.println("fileChooser.getUIClassID()="+fileChooser.getUIClassID());
// KeyListener[] keyListeners=fileChooser.getKeyListeners();
ChipDataFilePreview preview = new ChipDataFilePreview(fileChooser, viewer.getChip());
// from book swing hacks
new FileDeleter(fileChooser, preview);
fileChooser.addPropertyChangeListener(preview);
fileChooser.setAccessory(preview);
String lastFilePath = AEViewer.prefs.get("AEViewer.lastFile", "");
// get the last folder
viewer.lastFile = new File(lastFilePath);
// fileChooser.setFileFilter(datFileFilter);
IndexFileFilter indexFileFilter = new IndexFileFilter();
fileChooser.addChoosableFileFilter(indexFileFilter);
DATFileFilter datFileFilter = new DATFileFilter();
fileChooser.addChoosableFileFilter(datFileFilter);
if (lastFilter == null) {
fileChooser.setFileFilter(datFileFilter);
} else {
fileChooser.setFileFilter(lastFilter);
}
fileChooser.setCurrentDirectory(viewer.lastFile);
// sets the working directory of the chooser
// boolean wasPaused=isPaused();
setPaused(true);
try {
int retValue = fileChooser.showOpenDialog(viewer);
if (retValue == JFileChooser.APPROVE_OPTION) {
lastFilter = fileChooser.getFileFilter();
try {
viewer.lastFile = fileChooser.getSelectedFile();
if (viewer.lastFile != null) {
viewer.recentFiles.addFile(viewer.lastFile);
}
startPlayback(viewer.lastFile);
} catch (IOException fnf) {
log.warning(fnf.toString());
}
} else {
preview.showFile(null);
}
} catch (GLException e) {
log.warning(e.toString());
preview.showFile(null);
}
fileChooser = null;
// viewer.chipCanvas.setScale(oldScale);
// restore persistent scale so that we don't get tiny size on next startup
setPaused(false);
}