de.frame4j.io

Class FileVisitor.AskGrafImpl

java.lang.Object

de.frame4j.io.FileVisitor.Ask

de.frame4j.io.FileVisitor.AskGrafImpl

All Implemented Interfaces:

FileVisitor, Serializable

Enclosing interface:

FileVisitor

@MinDoc(copyright="Copyright  2001, 2004, 2009  A. Weinert",
        author="Albrecht Weinert",
        version="see enclosing interface FileVisitor",
        lastModified="see enclosing interface FileVisitor",
        lastModifiedBy="see enclosing interface FileVisitor",
        usage="a visitor for files",
        purpose="ask a question on the visited file (by dialog window)")
public static class FileVisitor.AskGrafImpl
extends FileVisitor.Ask

An implementation of FileVisitor (question at a window).

Objects of this class implement a FileVisitor the method visit(File) of which asks a question on the file visited graphically using an (AskDialog.
Up to three answers suggested may be given by mouse or Tab button and Return button.

Applications that own a console or shell, by grace of their JVM being started there by java.exe (not javaW.exe) may use FileVisitor.AskConsImpl instead.

© Copyright 2001 - 2002, Albrecht Weinert

See Also:

FileService, FileVisitor, FileVisitor.AskConsImpl, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface de.frame4j.io.FileVisitor

FileVisitor.Ask, FileVisitor.AskConsImpl, FileVisitor.AskGrafImpl

Field Summary

Fields

Modifier and Type	Field and Description
protected Object	parent Parent object for the graphical (prompt) window. .
protected AskDialog	theDialog The Dialogue.
String	title Title for the graphical window.

Fields inherited from class de.frame4j.io.FileVisitor.Ask

ansPrompt, append, askPatt, deleteMode, lower, maxWait, no, yes

Constructor Summary

Constructors

Constructor and Description
AskGrafImpl(boolean deleteMode, PropMap prop, Object parent, boolean modal) Make an AskGrafImpl object, setting by a PropMap.

Method Summary

Modifier and Type	Method and Description
void	dispose() Dispose the AskGrafImpl object and its resources.
int	visit(File dD) The "deed" or action with the file visited.

Methods inherited from class de.frame4j.io.FileVisitor.Ask

set, set

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

theDialog

protected final AskDialog theDialog

The Dialogue.

title

public String title

Title for the graphical window.

PropMap key: "fileDialogTitle"
default: null

parent

protected Object parent

Parent object for the graphical (prompt) window. .

default: null

Constructor Detail

AskGrafImpl

public AskGrafImpl(boolean deleteMode,
                   PropMap prop,
                   Object parent,
                   boolean modal)

Make an AskGrafImpl object, setting by a PropMap.

FileVisitor.Ask.deleteMode will be set finally by the parameter provided. It will be tried to set this objects properties by prop.

If prop has a property "fileDialogTitle" its value will be used to set title.

If parent is not null and no CharSequence,it will be tried to use it as parent of the asking window. If it is a CharSequence it will be used as title.

Parameters:

parent - used as parent window or title (if feasible)

modal - true locks a given parent window while waiting for closing the dialog window

prop - PropMap to set properties

Method Detail

visit

public int visit(File dD)

The "deed" or action with the file visited.

If dD is null or if dispose() was called 0 (as negative acknowledge) is returned immediately.
If the file dD does not exist 1 (as acknowledge) is returned without further actions.

Otherwise see FileVisitor.visit() for the return values recommended and implemented here.

Parameters:

dD - the file or directory to act upon or to determine a filter / function response about

Returns:

the answer

See Also:

FileVisitor.visit(File)

dispose

public void dispose()

Dispose the AskGrafImpl object and its resources.

This object and its graphical resources (window) and threads may be used multiple times. Hence it is highly recommended to signal a clear end of usage.

Afterwards visit() returns 0 always.

Overrides:

dispose in class FileVisitor.Ask