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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.wizards.web;
import com.sun.star.awt.VclWindowPeerAttribute;
import com.sun.star.awt.XWindowPeer;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.wizards.common.SystemDialog;
/**
* An abstract implementation of ErrorHandler, which
* uses a renderer method geMessageFor(Exception, Object, int, int)
* (in this class still abstract...)
* to render the errors, and displays
* error messeges.
*/
public abstract class AbstractErrorHandler implements ErrorHandler
{
XMultiServiceFactory xmsf;
XWindowPeer peer;
protected AbstractErrorHandler(XMultiServiceFactory xmsf, XWindowPeer peer_)
{
this.xmsf = xmsf;
peer = peer_;
}
/**
* Implementation of ErrorHandler:
* shows a message box with the rendered error.
* @param arg identifies the error. This object is passed to the render method
* which returns the right error message.
* @return true/false for continue/abort.
*/
public boolean error(Exception ex, Object arg, int ix, int errorType)
{
//ex.printStackTrace();
switch (errorType)
{
case ErrorHandler.ERROR_FATAL:
return !showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
case ErrorHandler.ERROR_PROCESS_FATAL:
return !showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
case ErrorHandler.ERROR_NORMAL_ABORT:
return showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
case ErrorHandler.ERROR_NORMAL_IGNORE:
return showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
case ErrorHandler.ERROR_QUESTION_CANCEL:
return showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
case ErrorHandler.ERROR_QUESTION_OK:
return showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
case ErrorHandler.ERROR_QUESTION_NO:
return showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
case ErrorHandler.ERROR_QUESTION_YES:
return showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
case ErrorHandler.ERROR_WARNING:
return showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
case ErrorHandler.ERROR_MESSAGE:
return showMessage(getMessageFor(ex, arg, ix, errorType), errorType);
}
throw new IllegalArgumentException("unknown error type");
}
/**
* @deprecated
* @param message
* @param errorType
* @return true if the ok/yes button is clicked, false otherwise.
*/
protected boolean showMessage(String message, int errorType)
{
return showMessage(xmsf, peer, message, errorType);
}
/**
* display a message
* @deprecated
* @param xmsf
* @param message the message to display
* @param errorType an int constant from the ErrorHandler interface.
* @return
*/
public static boolean showMessage(XMultiServiceFactory xmsf, XWindowPeer peer, String message, int errorType)
{
String serviceName = getServiceNameFor(errorType);
int attribute = getAttributeFor(errorType);
int b = SystemDialog.showMessageBox(xmsf, peer, serviceName, attribute, message);
return b == getTrueFor(errorType);
}
public static boolean showMessage(XMultiServiceFactory xmsf, XWindowPeer peer,
String message,
String dialogtype,
int buttons,
int defaultButton,
int returnTrueOn)
{
int b = SystemDialog.showMessageBox(xmsf, peer, dialogtype, defaultButton + buttons, message);
return b == returnTrueOn;
}
/**
* normally ok(1) is the value for true.
* but a question dialog may use yes. so i use this method
* for each error type to get its type of "true" value.
* @param errorType
* @return
*/
private static int getTrueFor(int errorType)
{
switch (errorType)
{
case ErrorHandler.ERROR_FATAL:
case ErrorHandler.ERROR_PROCESS_FATAL:
case ErrorHandler.ERROR_NORMAL_ABORT:
case ErrorHandler.ERROR_NORMAL_IGNORE:
case ErrorHandler.ERROR_QUESTION_CANCEL:
case ErrorHandler.ERROR_QUESTION_OK:
return 1;
case ErrorHandler.ERROR_QUESTION_NO:
case ErrorHandler.ERROR_QUESTION_YES:
return 2;
case ErrorHandler.ERROR_WARNING:
case ErrorHandler.ERROR_MESSAGE:
return 1;
}
throw new IllegalArgumentException("unkonown error type");
}
/**
* @param errorType
* @return the Uno attributes for each error type.
*/
private static int getAttributeFor(int errorType)
{
switch (errorType)
{
case ErrorHandler.ERROR_FATAL:
return VclWindowPeerAttribute.OK;
case ErrorHandler.ERROR_PROCESS_FATAL:
return VclWindowPeerAttribute.OK;
case ErrorHandler.ERROR_NORMAL_ABORT:
return VclWindowPeerAttribute.OK_CANCEL + VclWindowPeerAttribute.DEF_CANCEL;
case ErrorHandler.ERROR_NORMAL_IGNORE:
return VclWindowPeerAttribute.OK_CANCEL + VclWindowPeerAttribute.DEF_OK;
case ErrorHandler.ERROR_QUESTION_CANCEL:
return VclWindowPeerAttribute.OK_CANCEL + VclWindowPeerAttribute.DEF_CANCEL;
case ErrorHandler.ERROR_QUESTION_OK:
return VclWindowPeerAttribute.OK_CANCEL + VclWindowPeerAttribute.DEF_OK;
case ErrorHandler.ERROR_QUESTION_NO:
return VclWindowPeerAttribute.YES_NO + VclWindowPeerAttribute.DEF_NO;
case ErrorHandler.ERROR_QUESTION_YES:
return VclWindowPeerAttribute.YES_NO + VclWindowPeerAttribute.DEF_YES;
case ErrorHandler.ERROR_WARNING:
return VclWindowPeerAttribute.OK;
case ErrorHandler.ERROR_MESSAGE:
return VclWindowPeerAttribute.OK;
}
throw new IllegalArgumentException("unkonown error type");
}
/**
* @deprecated
* @param errorType
* @return the uno service name for each error type
*/
private static String getServiceNameFor(int errorType)
{
switch (errorType)
{
case ErrorHandler.ERROR_FATAL:
return "errorbox";
case ErrorHandler.ERROR_PROCESS_FATAL:
return "errorbox";
case ErrorHandler.ERROR_NORMAL_ABORT:
return "errorbox";
case ErrorHandler.ERROR_NORMAL_IGNORE:
return "warningbox";
case ErrorHandler.ERROR_QUESTION_CANCEL:
return "querybox";
case ErrorHandler.ERROR_QUESTION_OK:
return "querybox";
case ErrorHandler.ERROR_QUESTION_NO:
return "querybox";
case ErrorHandler.ERROR_QUESTION_YES:
return "querybox";
case ErrorHandler.ERROR_WARNING:
return "warningbox";
case ErrorHandler.ERROR_MESSAGE:
return "infobox";
}
throw new IllegalArgumentException("unkonown error type");
}
/**
* renders the error
* @param ex the exception
* @param arg a free argument
* @param ix a free argument
* @param type the error type (from the int constants
* in ErrorHandler interface)
* @return a Strings which will be displayed in the message box,
* and which describes the error, and the needed action from the user.
*/
protected abstract String getMessageFor(Exception ex, Object arg, int ix, int type);
}
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