File indexing completed on 2024-05-12 16:40:55

 /* This file is part of the KDE project
    Copyright (C) 2004-2012 Jarosław Staniek <staniek@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include "KexiNameDialog.h"
 #include "KexiNameWidget.h"
 #include <core/kexipartinfo.h>
 #include <kexi_global.h>
 
 #include <KDbConnection>
 
 #include <KIconLoader>
 #include <KMessageBox>
 
 #include <QDebug>
 #include <QGridLayout>
 #include <QLabel>
 #include <QDialogButtonBox>
 #include <QPushButton>
 #include <QVBoxLayout>
 #include <QLineEdit>
 
 KexiNameDialogValidator::KexiNameDialogValidator()
 {
 }
 
 KexiNameDialogValidator::~KexiNameDialogValidator()
 {
 }
 
 // --
 
 class Q_DECL_HIDDEN KexiNameDialog::Private
 {
 
 public:
     Private()
         : validator(0)
         , checkIfObjectExists(false)
         , allowOverwriting(false)
     {
     }
     ~Private() {
         delete validator;
     }
 
     QLabel *icon;
     KexiNameWidget* widget;
     const KexiProject *project;
     const KexiPart::Part *part;
     KexiNameDialogValidator *validator;
     QDialogButtonBox *buttonBox;
     bool checkIfObjectExists;
     bool allowOverwriting;
     bool overwriteNeeded;
 };
 
 KexiNameDialog::KexiNameDialog(const QString& message, QWidget * parent)
         : QDialog(parent)
         , d(new Private)
 {
     d->widget = new KexiNameWidget(message, this);
     init();
 }
 
 KexiNameDialog::KexiNameDialog(const QString& message,
                                const QString& nameLabel, const QString& nameText,
                                const QString& captionLabel, const QString& captionText,
                                QWidget * parent)
         : QDialog(parent)
         , d(new Private)
 {
     d->widget = new KexiNameWidget(message, nameLabel, nameText, captionLabel, captionText);
     init();
 }
 
 KexiNameDialog::~KexiNameDialog()
 {
     delete d;
 }
 
 void KexiNameDialog::init()
 {
     QVBoxLayout *mainLayout = new QVBoxLayout(this);
     mainLayout->addWidget(d->widget);
 
     QGridLayout *lyr = new QGridLayout;
     mainLayout->addLayout(lyr);
     d->icon = new QLabel;
     d->icon->setAlignment(Qt::AlignTop | Qt::AlignLeft);
     QSizePolicy sp(QSizePolicy::Fixed, QSizePolicy::Preferred);
     sp.setHorizontalStretch(1);
     d->icon->setSizePolicy(sp);
     d->icon->setFixedWidth(50);
     lyr->addWidget(d->icon, 0, 0);
 
     sp = QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
     sp.setHorizontalStretch(1);
     d->widget->setSizePolicy(sp);
     lyr->addWidget(d->widget, 0, 1);
     lyr->addItem(new QSpacerItem(25, 10, QSizePolicy::Expanding, QSizePolicy::Minimum), 0, 2);
     lyr->addItem(new QSpacerItem(5, 10, QSizePolicy::Minimum, QSizePolicy::Expanding), 1, 1);
     connect(d->widget, SIGNAL(messageChanged()), this, SLOT(updateSize()));
 
     // buttons
     d->buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Cancel|QDialogButtonBox::Help);
     QPushButton *okButton = d->buttonBox->button(QDialogButtonBox::Ok);
     okButton->setDefault(true);
     okButton->setShortcut(Qt::CTRL | Qt::Key_Return);
     okButton->setEnabled(true);
     connect(d->buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
     connect(d->buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
     mainLayout->addWidget(d->buttonBox);
 
     updateSize();
     slotTextChanged();
     connect(d->widget, SIGNAL(textChanged()), this, SLOT(slotTextChanged()));
 }
 
 void KexiNameDialog::updateSize()
 {
   resize(QSize(400, 140 + (!d->widget->messageLabel()->text().isEmpty() ?
                            d->widget->messageLabel()->height() : 0))
            .expandedTo(minimumSizeHint()));
 }
 
 void KexiNameDialog::slotTextChanged()
 {
     bool enable = true;
     if (   (d->widget->isNameRequired() && d->widget->nameText().isEmpty())
         || (d->widget->isCaptionRequired() && d->widget->captionText().isEmpty()) )
     {
         enable = false;
     }
     d->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(enable);
 }
 
 bool KexiNameDialog::canOverwrite()
 {
     KDbObject tmpObject;
     tristate result = d->project->dbConnection()->loadObjectData(
                           d->project->typeIdForPluginId(d->part->info()->pluginId()),
                           widget()->nameText(), &tmpObject);
     if (result == cancelled) {
         return true;
     }
     if (result == false) {
         qWarning() << "Cannot load object data for" << widget()->nameText();
         return false;
     }
     if (widget()->originalNameText() == tmpObject.name()) {
         return true;
     }
     if (!d->allowOverwriting) {
         KMessageBox::information(this,
                                  "<p>" + d->part->i18nMessage("Object <resource>%1</resource> already exists.", 0)
                                              .subs(widget()->nameText()).toString()
                                  + "</p><p>" + xi18n("Please choose other name.") + "</p>");
         return false;
     }
 
     QString msg =
         "<p>" + d->part->i18nMessage("Object <resource>%1</resource> already exists.", 0)
                     .subs(widget()->nameText()).toString()
         + "</p><p>" + xi18n("Do you want to replace it?") + "</p>";
     KGuiItem yesItem(KStandardGuiItem::yes());
     yesItem.setText(xi18n("&Replace"));
     yesItem.setToolTip(xi18n("Replace object"));
     const KMessageBox::ButtonCode res = KMessageBox::warningYesNo(
                   this, msg, QString(),
                   yesItem, KGuiItem(xi18nc("@action:button", "&Choose Other Name...")),
                   QString(),
                   KMessageBox::Notify | KMessageBox::Dangerous);
     if (res == KMessageBox::Yes) {
         d->overwriteNeeded = true;
     }
     return res == KMessageBox::Yes;
 }
 
 void KexiNameDialog::accept()
 {
     if (d->validator) {
         if (!d->validator->validate(this)) {
             return;
         }
     }
     if (!d->widget->checkValidity())
         return;
 
     if (d->checkIfObjectExists && d->project) {
         if (!canOverwrite()) {
             return;
         }
     }
 
     QDialog::accept();
 }
 
 void KexiNameDialog::setDialogIcon(const QString &iconName)
 {
     d->icon->setPixmap(
         KIconLoader::global()->loadIcon(iconName, KIconLoader::Desktop, KIconLoader::SizeMedium));
 }
 
 void KexiNameDialog::showEvent(QShowEvent * event)
 {
     d->widget->captionLineEdit()->selectAll();
     d->widget->captionLineEdit()->setFocus();
     QDialog::showEvent(event);
 }
 
 KexiNameWidget* KexiNameDialog::widget() const
 {
     return d->widget;
 }
 
 int KexiNameDialog::execAndCheckIfObjectExists(const KexiProject &project,
                                                const KexiPart::Part &part,
                                                bool *overwriteNeeded)
 {
     d->project = &project;
     d->part = &part;
     d->checkIfObjectExists = true;
     if (overwriteNeeded) {
         *overwriteNeeded = false;
         d->overwriteNeeded = false;
     }
     int res = exec();
     d->project = 0;
     d->part = 0;
     d->checkIfObjectExists = false;
     if (overwriteNeeded) {
         *overwriteNeeded = d->overwriteNeeded;
     }
     return res;
 }
 
 void KexiNameDialog::setAllowOverwriting(bool set)
 {
     d->allowOverwriting = set;
 }
 
 void KexiNameDialog::setValidator(KexiNameDialogValidator *validator)
 {
     delete d->validator;
     d->validator = validator;
 }
 
 QDialogButtonBox* KexiNameDialog::buttonBox()
 {
     return d->buttonBox;
 }