001package org.vishia.gral.ifc;
002
003
004public interface GralFileDialog_ifc
005{
006  /**Version, history and license.
007   * <ul>
008   * <li>2011-06-00 Hartmut created
009   * </ul>
010   * 
011   * <b>Copyright/Copyleft</b>:<br>
012   * For this source the LGPL Lesser General Public License,
013   * published by the Free Software Foundation is valid.
014   * It means:
015   * <ol>
016   * <li> You can use this source without any restriction for any desired purpose.
017   * <li> You can redistribute copies of this source to everybody.
018   * <li> Every user of this source, also the user of redistribute copies
019   *    with or without payment, must accept this license for further using.
020   * <li> But the LPGL is not appropriate for a whole software product,
021   *    if this source is only a part of them. It means, the user
022   *    must publish this part of source,
023   *    but doesn't need to publish the whole source of the own product.
024   * <li> You can study and modify (improve) this source
025   *    for own using or for redistribution, but you have to license the
026   *    modified sources likewise under this LGPL Lesser General Public License.
027   *    You mustn't delete this Copyright/Copyleft inscription in this source file.
028   * </ol>
029   * If you intent to use this source without publishing its usage, you can get
030   * a second license subscribing a special contract with the author. 
031   * 
032   * @author Hartmut Schorrig = hartmut.schorrig@vishia.de
033   */
034  public static final int version = 20120303;
035
036  /**Creates a dialog to select directories, not files. It is used while creation of the FileDialog. */
037  static final int directory = 1;
038  /**Assume selecting of more as one files or directories. It is used while creation of the FileDialog or while activating. */
039  static final int multi = 2;
040  
041  boolean open(String sTitle, int mode);
042  
043  /**Shows the file dialog. 
044         * @param sBaseDir Part of start path, which should not be leave in selection. May be null
045         * @param sLocalDir Part of start path which is shown as default. May be null.
046         *                  If both sBaseDir and sLocalDir are null, the dialog may start with the last saved base dir.
047         * @param sMask If not null, then mask for file selection. If null, all files will be shown.
048         * @param sTitle The title in the dialog's title. If null, then the title is unchanged.
049         * @return null if the selection was aborted.
050         */
051        String show(String sBaseDir, String sLocalDir, String sMask, String sTitle);
052        
053        String[] getMultiSelection();
054        
055        /**Returns the last selected local path and file.
056         * @return null if the last selection was aborted.
057         */
058        String getSelection();
059
060}