File indexing completed on 2022-11-23 11:08:52

0001 /* This file is part of the KDE project
0002    Copyright (C) 2004-2015 Jarosław Staniek <staniek@kde.org>
0003 
0004    This library is free software; you can redistribute it and/or
0005    modify it under the terms of the GNU Library General Public
0006    License as published by the Free Software Foundation; either
0007    version 2 of the License, or (at your option) any later version.
0008 
0009    This library is distributed in the hope that it will be useful,
0010    but WITHOUT ANY WARRANTY; without even the implied warranty of
0011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0012    Library General Public License for more details.
0013 
0014    You should have received a copy of the GNU Library General Public License
0015    along with this library; see the file COPYING.LIB.  If not, write to
0016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0017  * Boston, MA 02110-1301, USA.
0018 */
0019 
0020 #include "KDbMessageHandler.h"
0021 
0022 #include "KDbResult.h"
0023 
0024 class Q_DECL_HIDDEN KDbMessageGuard::Private
0025 {
0026 public:
0027     Private() {}
0028     const KDbResult *result;
0029     KDbResultable *resultable;
0030     KDbMessageHandler *handler;
0031 private:
0032     Q_DISABLE_COPY(Private)
0033 };
0034 
0035 KDbMessageGuard::KDbMessageGuard(KDbResultable *resultable)
0036     : d(new Private)
0037 {
0038     d->result = nullptr;
0039     d->resultable = resultable;
0040     d->handler = nullptr;
0041 }
0042 
0043 KDbMessageGuard::KDbMessageGuard(const KDbResult &result, KDbMessageHandler *handler)
0044  : d(new Private)
0045 {
0046     d->result = &result;
0047     d->resultable = nullptr;
0048     d->handler = handler;
0049 }
0050 
0051 KDbMessageGuard::~KDbMessageGuard()
0052 {
0053     if (d->handler && d->result && d->result->isError()) { // variant 1
0054         d->handler->showErrorMessage(*d->result);
0055     }
0056     else if (d->resultable && d->resultable->messageHandler() && d->resultable->result().isError()){ // variant 2
0057         d->resultable->messageHandler()->showErrorMessage(d->resultable->result());
0058     }
0059     delete d;
0060 }
0061 
0062 //------------------------------------------------
0063 
0064 KDbMessageTitleSetter::KDbMessageTitleSetter(KDbResult* result, const QString& message)
0065         : m_result(result)
0066         , m_prevMsgTitle(result->messageTitle())
0067 {
0068     m_result->setMessageTitle(message);
0069 }
0070 
0071 KDbMessageTitleSetter::KDbMessageTitleSetter(KDbResultable* resultable, const QString& message)
0072         : m_result(&resultable->m_result)
0073         , m_prevMsgTitle(resultable->result().messageTitle())
0074 {
0075     m_result->setMessageTitle(message);
0076 }
0077 
0078 KDbMessageTitleSetter::~KDbMessageTitleSetter()
0079 {
0080     m_result->setMessageTitle(m_prevMsgTitle);
0081 }
0082 
0083 //------------------------------------------------
0084 
0085 class Q_DECL_HIDDEN KDbGuiItem::Private
0086 {
0087 public:
0088     Private() {}
0089     bool dummy;
0090 };
0091 
0092 KDbGuiItem::KDbGuiItem()
0093     : d(new Private)
0094 {
0095 }
0096 
0097 KDbGuiItem::~KDbGuiItem()
0098 {
0099     delete d;
0100 }
0101 
0102 //------------------------------------------------
0103 
0104 class Q_DECL_HIDDEN KDbMessageHandler::Private
0105 {
0106 public:
0107     Private()
0108      : messageRedirection(nullptr)
0109      , enableMessages(true)
0110     {
0111     }
0112 
0113     QPointer<QWidget> messageHandlerParentWidget;
0114     KDbMessageHandler *messageRedirection;
0115     bool enableMessages;
0116 private:
0117     Q_DISABLE_COPY(Private)
0118 };
0119 
0120 //------------------------------------------------
0121 
0122 KDbMessageHandler::KDbMessageHandler(QWidget *parent)
0123  : d(new Private)
0124 {
0125     d->messageHandlerParentWidget = parent;
0126 }
0127 
0128 KDbMessageHandler::~KDbMessageHandler()
0129 {
0130     delete d;
0131 }
0132 
0133 bool KDbMessageHandler::messagesEnabled() const
0134 {
0135     return d->enableMessages;
0136 }
0137 
0138 void KDbMessageHandler::setMessagesEnabled(bool enable)
0139 {
0140     d->enableMessages = enable;
0141 }
0142 
0143 KDbMessageHandler::ButtonCode KDbMessageHandler::askQuestion(
0144     KDbMessageHandler::QuestionType messageType,
0145     const QString& message,
0146     const QString &caption,
0147     KDbMessageHandler::ButtonCode defaultResult,
0148     const KDbGuiItem &buttonYes,
0149     const KDbGuiItem &buttonNo,
0150     const QString &dontShowAskAgainName,
0151     KDbMessageHandler::Options options,
0152     KDbMessageHandler* msgHandler)
0153 {
0154     if (d->enableMessages && d->messageRedirection) {
0155         return d->messageRedirection->askQuestion(messageType, message, caption, defaultResult,
0156                                                   buttonYes, buttonNo, dontShowAskAgainName,
0157                                                   options, msgHandler);
0158     }
0159     return defaultResult;
0160 }
0161 
0162 KDbMessageHandler* KDbMessageHandler::redirection()
0163 {
0164     return d->messageRedirection;
0165 }
0166 
0167 const KDbMessageHandler* KDbMessageHandler::redirection() const
0168 {
0169     return d->messageRedirection;
0170 }
0171 
0172 void KDbMessageHandler::setRedirection(KDbMessageHandler *otherHandler)
0173 {
0174     d->messageRedirection = otherHandler;
0175 }
0176 
0177 QWidget* KDbMessageHandler::parentWidget()
0178 {
0179     return d->messageHandlerParentWidget;
0180 }