+// EmuFront
+// Copyright 2010 Mikko Keinänen
+//
+// This file is part of EmuFront.
+//
+//
+// EmuFront is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as published by
+// the Free Software Foundation and appearing in the file gpl.txt included in the
+// packaging of this file.
+//
+// EmuFront 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with EmuFront. If not, see <http://www.gnu.org/licenses/>.
+
#include <QtGui>
+#include <QSqlTableModel>
#include "dbobjectdialog.h"
#include "../db/databasemanager.h"
: EmuFrontDialog(parent)
{
dbObject = 0;
- dbManager = new DatabaseManager(this);
+ dbManager = 0;
+ nameDialog = 0;
editButton = new QPushButton(tr("&Edit"));
editButton->setEnabled(false);
addButton = new QPushButton(tr("&Add"));
buttonBox->addButton(editButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(addButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(deleteButton, QDialogButtonBox::ActionRole);
- // nameDialog will be created on request
-
- connectSignals();
+ // this be called from the implementing classes:
+ //connectSignals();
layout();
}
DbObjectDialog::~DbObjectDialog()
{
- delete dbObject;
+ // no need to explicitly delete widgets within a parented layout
+ // they are automatically parented and will be deleted
+ // dbManager is also parented and will be implicitly deleted
+ // this must be deleted in an implementing class
+ //delete dbObject;
+ // hiddenColumn QList will be deleted implicitly, since it
+ // implements implicit data sharing
}
void DbObjectDialog::connectSignals()
{
connect(buttonBox, SIGNAL(accepted()), this, SLOT(close()));
- /*connect(objectList, SIGNAL(clicked(const QModelIndex &)),
- this, SLOT(listObjectClicked(const QModelIndex &)));*/
- //connect(editButton, SIGNAL(clicked()), this, SLOT(editButtonClicked()));
+ connect(objectList, SIGNAL(clicked(const QModelIndex &)),
+ this, SLOT(listObjectClicked(const QModelIndex &)));
+ connect(editButton, SIGNAL(clicked()), this, SLOT(editButtonClicked()));
connect(addButton, SIGNAL(clicked()), this, SLOT(addButtonClicked()));
- //connect(deleteButton, SIGNAL(clicked()), this, SLOT(deleteButtonClicked()));
- //connect(nameDialog, SIGNAL(accepted()), this, SLOT(updateList()));
+ connect(deleteButton, SIGNAL(clicked()), this, SLOT(deleteButtonClicked()));
+}
+
+void DbObjectDialog::connectNameDialogSignals()
+{
+ connect(nameDialog, SIGNAL(dataObjectUpdated()), this, SLOT(updateData()));
+ connect(nameDialog, SIGNAL(updateRejected()), this, SLOT(updateReject()));
+ connect(nameDialog, SIGNAL(test()), this, SLOT(testSlot()));
+ connect(nameDialog, SIGNAL(dialogClosed()), this, SLOT(enableUi()));
+}
+
+void DbObjectDialog::testSlot()
+{
+ qDebug() << "TEST SIGNAL RECEIVED!";
+}
+
+void DbObjectDialog::insertDb(const EmuFrontObject *ob) const
+{
+ if (!dbManager->insertDataObjectToModel(ob))
+ errorMessage->showMessage(tr("Inserting data object %1 failed.").arg(ob->getName()));
+}
+
+void DbObjectDialog::createEditDialog()
+{
+ initEditDialog();
+ // call this from implementing classes:
+ //connectNameDialogSignals();
+}
+
+void DbObjectDialog::addObject()
+{
+ setUIEnabled(false);
+ if (!nameDialog) {
+ createEditDialog();
+ }
+ deleteCurrentObject();
+ dbObject = createObject();
+ nameDialog->setDataObject(dbObject);
+ activateNameDialog();
+}
+
+void DbObjectDialog::editObject()
+{
+ QModelIndex index = objectList->currentIndex();
+ if (!index.isValid())
+ return;
+ if (!nameDialog) {
+ createEditDialog();
+ }
+ deleteCurrentObject();
+ try {
+ dbObject = dbManager->getDataObjectFromModel(&index); // throws EmuFrontException
+ } catch (EmuFrontException &e) {
+ errorMessage->showMessage(e.what());
+ return;
+ }
+ activateNameDialog();
+ nameDialog->setDataObject(dbObject);
+}
+
+bool DbObjectDialog::deleteItem()
+{
+ qDebug() << "deleteItem called";
+ QModelIndex index = objectList->currentIndex();
+ if (!index.isValid()) return false;
+ try
+ {
+ EmuFrontObject *ob = dbManager->getDataObjectFromModel(&index); // throws EmuFrontException
+
+ qDebug() << "Trying to delete " << ob->getName();
+
+ if (!ob)
+ {
+ errorMessage->showMessage(tr("Couldn't find the selected data object from data model!"));
+ return false;
+ }
+
+ int numBindings = dbManager->countDataObjectRefs(ob->getId());
+
+ if (numBindings > 0 && !confirmDelete(ob->getName(), numBindings))
+ { return false; }
+ deleteCurrentObject();
+
+ bool delOk = dbManager->deleteDataObject(ob->getId());
+ if (!delOk)
+ {
+ errorMessage->showMessage(tr("Deleting data object %1 failed!").arg(ob->getName()));
+ return false;
+ }
+ updateList();
+ objectList->setFocus();
+ setUIEnabled(true);
+ }
+ catch(EmuFrontException e)
+ {
+ errorMessage->showMessage(e.what());
+ }
+ return false;
+}
+
+void DbObjectDialog::updateDb(const EmuFrontObject *ob) const
+{
+ if (!ob) return;
+ if ( !dbManager->updateDataObjectToModel(ob) )
+ { errorMessage->showMessage("Database update failed!"); }
}
void DbObjectDialog::updateList() const
{
- // fetch items from database (virtual function for this)
- // update the item list
+ if (!dbManager) return;
+ dbManager->resetModel();
+ objectList->resizeColumnsToContents();
}
void DbObjectDialog::addButtonClicked()
void DbObjectDialog::editButtonClicked()
{
disableSelection();
+ editObject();
}
void DbObjectDialog::deleteButtonClicked()
{
+ QItemSelectionModel *selModel = objectList->selectionModel();
+ if (!selModel->hasSelection()) return;
+
+ QAbstractItemModel *tblModel = objectList->model();
+ QModelIndex index = selModel->currentIndex();
+ QVariant vName = tblModel->data(index);
+ QString name = vName.toString();
disableSelection();
+
+ QString msg = tr("Do you want to delete") + name + "?";
+ int yn = QMessageBox::question(this, "Confirm", msg, QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
+ if (yn == QMessageBox::Yes)
+ {
+ deleteItem();
+ }
}
void DbObjectDialog::layout()
void DbObjectDialog::listObjectClicked(const QModelIndex &index)
{
+ const QModelIndex *x;
+ x = &index;
+ qDebug() << "Row " << x->row() << ", column " << x->column() << " clicked.";
setButtonsEnabled(index.isValid());
if(!index.isValid())
return;
}
+void DbObjectDialog::enableUi()
+{
+ setUIEnabled(true);
+}
+
void DbObjectDialog::setButtonsEnabled(bool enabled)
{
+ addButton->setEnabled(enabled);
editButton->setEnabled(enabled);
deleteButton->setEnabled(enabled);
}
+void DbObjectDialog::setUIEnabled(bool enabled)
+{
+ buttonBox->setEnabled(enabled);
+ objectList->setEnabled(enabled);
+}
+
void DbObjectDialog::disableSelection()
{
- setButtonsEnabled(false);
+ setUIEnabled(false);
+ //setButtonsEnabled(false);
+}
+
+void DbObjectDialog::activateNameDialog(bool updateData)
+{
+ if (!nameDialog) return;
+ nameDialog->show();
+ nameDialog->raise();
+ if (updateData)
+ nameDialog->updateData();
+ nameDialog->activateWindow();
+}
+
+void DbObjectDialog::initDataTable()
+{
+ objectList->setModel(dbManager->getDataModel());
+ objectList->setSelectionMode(QAbstractItemView::SingleSelection);
+ objectList->resizeColumnsToContents();
+}
+
+void DbObjectDialog::updateReject()
+{
+ addButton->setEnabled(true);
+ setUIEnabled(true);
+ // we don't want to keep this in memory
+ deleteCurrentObject();
+}
+
+void DbObjectDialog::updateData()
+{
+ // update data model
+ if (!dbObject) return;
+
+ // if data object id > -1 we are updating the data otherwise we are inserting new data
+ if (dbObject->getId() > -1) updateDb(dbObject);
+ else insertDb(dbObject);
+
+ // we don't need dbObject anymore
+ deleteCurrentObject();
+ dbObject = 0;
+ updateList();
+ setUIEnabled(true);
+}
+
+/* Implementation specific delete must be used!
+void DbObjectDialog::deleteCurrentObject()
+{
+ delete dbObject;
+}*/
+
+bool DbObjectDialog::confirmDelete(QString name, int numRefs)
+{
+ int r = QMessageBox::warning(this, tr("Confirm delete"),
+ QString("Do you really want to delete %1 with %2 data bindings?")
+ .arg(name).arg(numRefs),
+ QMessageBox::Yes | QMessageBox::No);
+ if ( r == QMessageBox::No )
+ return false;
+ return true;
+}
+
+void DbObjectDialog::refreshDataModel()
+{
+ dbManager->resetModel();
+}
+
+void DbObjectDialog::hideColumns()
+{
+ foreach(int c, hiddenColumns)
+ objectList->hideColumn(c);
+}
+
+/* Enables UI. Deletes nameDialog object and current data object */
+void DbObjectDialog::closeEvent(QCloseEvent *ev)
+{
+ qDebug() << "DbObjectDialog closing!";
+ setUIEnabled(true);
+ cleanUp();
}
projects / emufront / blobdiff