001: /*BEGIN_COPYRIGHT_BLOCK
002: *
003: * Copyright (c) 2001-2007, JavaPLT group at Rice University (javaplt@rice.edu)
004: * All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions are met:
008: * * Redistributions of source code must retain the above copyright
009: * notice, this list of conditions and the following disclaimer.
010: * * Redistributions in binary form must reproduce the above copyright
011: * notice, this list of conditions and the following disclaimer in the
012: * documentation and/or other materials provided with the distribution.
013: * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the
014: * names of its contributors may be used to endorse or promote products
015: * derived from this software without specific prior written permission.
016: *
017: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
018: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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035: * END_COPYRIGHT_BLOCK*/
036:
037: package edu.rice.cs.util.swing;
038:
039: import javax.swing.Icon;
040: import javax.swing.JFileChooser;
041: import java.io.File;
042:
043: /** This FileDisplayManager uses the same icons and naming schemes as the JFileChooser offered by swing. */
044: public class DefaultFileDisplayManager implements FileDisplayManager {
045:
046: private JFileChooser _jfc;
047:
048: public DefaultFileDisplayManager() {
049: _jfc = new JFileChooser();
050: }
051:
052: /** Given a file, decide which icon to use
053: * @param f The file to base the icon decision on
054: * @return The icon to display for the given file
055: */
056: public Icon getIcon(File f) {
057: // avoid problem with windows filesystem drivers that would cause a filenotfound exception
058: if (f != null && !f.exists())
059: f = null;
060:
061: return _jfc.getIcon(f);
062: }
063:
064: /** Given a file, decide on which name to display for it
065: * @param f The file to base the naming decison on
066: * @return The name to display for the file
067: */
068: public String getName(File f) {
069: return _jfc.getName(f);
070: }
071:
072: /** Creates a file display that displays a file as this manager specifies
073: * @param f the file to display using the display manager
074: * @return the file display object used to display a file's name
075: */
076: public FileDisplay makeFileDisplay(File f) {
077: return new FileDisplay(f, this );
078: }
079:
080: /** Creates a file display that displays a file as this manager specifies
081: * @param parent the parent of the file to display using the display manager
082: * @param child the name of the child such that <code>new File(parent, child)</code> is
083: * the file to be displayed.
084: * @return the file display object used to display a file's name
085: */
086: public FileDisplay makeFileDisplay(File parent, String child) {
087: return new FileDisplay(parent, child, this );
088: }
089:
090: /** Creates a FileDisplay representing a new untitled folder that is yet to be created.
091: * @param parent the parent folder of the new folder
092: * @return the new file display
093: */
094: public FileDisplay makeNewFolderDisplay(File parent) {
095: return FileDisplay.newFile(parent, this );
096: }
097:
098: /** Updates the UI to reflect any changes in the fs. */
099: public void update() {
100: _jfc.updateUI();
101: }
102: }
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