Java FileDialogPeer类代码示例

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
/**
  * 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);
    }
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
/**
  * Sets the selected file for this dialog.
  *
  * @param file The selected file for this dialog.
  */
public synchronized void
setFile(String file)
{
  if ("".equals(file))
    this.file = null;
  else
    this.file = file;

  if (peer != null)
    {
      FileDialogPeer f = (FileDialogPeer) peer;
      f.setFile (file);
    }
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
/**
  * 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);
    }
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
/**
  * Sets the selected file for this dialog.
  *
  * @param file The selected file for this dialog.
  */
public synchronized void
setFile(String file)
{
  if ("".equals(file))
    this.file = null;
  else
    this.file = file;
  
  if (peer != null)
    {
      FileDialogPeer f = (FileDialogPeer) peer;
      f.setFile (file);
    }
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
protected FileDialogPeer createFileDialog(FileDialog target) throws HeadlessException {
    throw new IllegalStateException("Method not implemented");
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
protected FileDialogPeer createFileDialog(FileDialog target)
{
  // TODO: Implement this.
  throw new UnsupportedOperationException("Not yet implemented.");
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
protected FileDialogPeer createFileDialog (FileDialog fd)
{
  checkHeadless();
  return new GtkFileDialogPeer (fd);
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
protected FileDialogPeer createFileDialog(FileDialog target)
{
  return new QtFileDialogPeer( this, target );
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
protected FileDialogPeer createFileDialog(FileDialog target)
{
  throw new HeadlessException();
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
@Override
protected FileDialogPeer createFileDialog(FileDialog a0) throws HeadlessException {
    throw new HeadlessException();
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
@Override
protected FileDialogPeer createFileDialog(FileDialog target) throws HeadlessException {
    return new GFileDialogPeer(target);
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
@Override
protected FileDialogPeer createFileDialog(FileDialog arg0) {
	throw new UnsupportedOperationException("Not yet implemented.");
	//return null;
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
/**
 * Sets the directory of this file dialog window to be the
 * specified directory. Specifying a <code>null</code> or an
 * invalid directory implies an implementation-defined default.
 * This default will not be realized, however, until the user
 * has selected a file. Until this point, <code>getDirectory()</code>
 * will return the value passed into this method.
 * <p>
 * Specifying "" as the directory is exactly equivalent to
 * specifying <code>null</code> as the directory.
 *
 * @param     dir   the specified directory
 * @see       java.awt.FileDialog#getDirectory
 */
public void setDirectory(String dir) {
    this.dir = (dir != null && dir.equals("")) ? null : dir;
    FileDialogPeer peer = (FileDialogPeer)this.peer;
    if (peer != null) {
        peer.setDirectory(this.dir);
    }
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
/**
 * Sets the selected file for this file dialog window to be the
 * specified file. This file becomes the default file if it is set
 * before the file dialog window is first shown.
 * <p>
 * When the dialog is shown, the specified file is selected. The kind of
 * selection depends on the file existence, the dialog type, and the native
 * platform. E.g., the file could be highlighted in the file list, or a
 * file name editbox could be populated with the file name.
 * <p>
 * This method accepts either a full file path, or a file name with an
 * extension if used together with the {@code setDirectory} method.
 * <p>
 * Specifying "" as the file is exactly equivalent to specifying
 * {@code null} as the file.
 *
 * @param    file   the file being set
 * @see      #getFile
 * @see      #getFiles
 */
public void setFile(String file) {
    this.file = (file != null && file.equals("")) ? null : file;
    FileDialogPeer peer = (FileDialogPeer)this.peer;
    if (peer != null) {
        peer.setFile(this.file);
    }
}
 

import java.awt.peer.FileDialogPeer; //导入依赖的package包/类
/**
 * Sets the filename filter for this file dialog window to the
 * specified filter.
 * Filename filters do not function in Sun's reference
 * implementation for Microsoft Windows.
 *
 * @param   filter   the specified filter
 * @see     java.io.FilenameFilter
 * @see     java.awt.FileDialog#getFilenameFilter
 */
public synchronized void setFilenameFilter(FilenameFilter filter) {
    this.filter = filter;
    FileDialogPeer peer = (FileDialogPeer)this.peer;
    if (peer != null) {
        peer.setFilenameFilter(filter);
    }
}