2 // Copyright 2010 Mikko Keinänen
4 // This file is part of EmuFront.
7 // EmuFront is free software: you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License version 2 as published by
9 // the Free Software Foundation and appearing in the file gpl.txt included in the
10 // packaging of this file.
12 // EmuFront is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with EmuFront. If not, see <http://www.gnu.org/licenses/>.
21 #include <QSqlTableModel>
22 #include "dbobjectdialog.h"
23 #include "../db/databasemanager.h"
25 DbObjectDialog::DbObjectDialog(QWidget *parent)
26 : EmuFrontDialog(parent)
31 editButton = new QPushButton(tr("&Edit"));
32 editButton->setEnabled(false);
33 addButton = new QPushButton(tr("&Add"));
34 deleteButton = new QPushButton(tr("&Delete"));
35 deleteButton->setEnabled(false);
36 objectList = new QTableView(this);
37 buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Vertical);
38 buttonBox->addButton(editButton, QDialogButtonBox::ActionRole);
39 buttonBox->addButton(addButton, QDialogButtonBox::ActionRole);
40 buttonBox->addButton(deleteButton, QDialogButtonBox::ActionRole);
41 // this be called from the implementing classes:
46 DbObjectDialog::~DbObjectDialog()
48 // no need to explicitically delete widgets within a parented layout
49 // they are automatically parented and will be deleted
50 // dbManager is also parented and will be implicitically deleted
51 // this must be deleted in an implementing class
55 void DbObjectDialog::connectSignals()
57 qDebug() << "DbObjectDialog connecting signals";
58 connect(buttonBox, SIGNAL(accepted()), this, SLOT(close()));
59 connect(objectList, SIGNAL(clicked(const QModelIndex &)),
60 this, SLOT(listObjectClicked(const QModelIndex &)));
61 connect(editButton, SIGNAL(clicked()), this, SLOT(editButtonClicked()));
62 connect(addButton, SIGNAL(clicked()), this, SLOT(addButtonClicked()));
63 connect(deleteButton, SIGNAL(clicked()), this, SLOT(deleteButtonClicked()));
64 connect(nameDialog, SIGNAL(dataObjectUpdated()), this, SLOT(updateData()));
65 connect(nameDialog, SIGNAL(updateRejected()), this, SLOT(updateReject()));
66 connect(nameDialog, SIGNAL(test()), this, SLOT(testSlot()));
69 void DbObjectDialog::testSlot()
71 qDebug() << "TEST SIGNAL RECEIVED!";
74 void DbObjectDialog::insertDb(const EmuFrontObject *ob) const
76 if (!dbManager->insertDataObjectToModel(ob))
77 errorMessage->showMessage(tr("Inserting data object %1 failed.").arg(ob->getName()));
80 void DbObjectDialog::addObject()
82 if (!nameDialog) initEditDialog();
83 deleteCurrentObject();
84 dbObject = createObject();
85 nameDialog->setDataObject(dbObject);
89 void DbObjectDialog::editObject()
91 QModelIndex index = objectList->currentIndex();
94 if (!nameDialog) initEditDialog();
95 deleteCurrentObject();
96 dbObject = dbManager->getDataObjectFromModel(&index);
97 nameDialog->setDataObject(dbObject);
101 bool DbObjectDialog::deleteItem()
103 qDebug() << "deleteItem called";
104 QModelIndex index = objectList->currentIndex();
105 if (!index.isValid()) return false;
108 EmuFrontObject *ob = dbManager->getDataObjectFromModel(&index);
110 qDebug() << "Trying to delete " << ob->getName();
114 errorMessage->showMessage(tr("Couldn't find the selected data object from data model!"));
118 int numBindings = dbManager->countDataObjectRefs(ob->getId());
120 if (numBindings > 0 && !confirmDelete(ob->getName(), numBindings))
122 deleteCurrentObject();
124 bool delOk = dbManager->deleteDataObject(ob->getId());
127 errorMessage->showMessage(tr("Deleting data object %1 failed!").arg(ob->getName()));
131 objectList->setFocus();
133 catch(EmuFrontException e)
135 errorMessage->showMessage(e.what());
140 void DbObjectDialog::updateDb(const EmuFrontObject *ob) const
143 if ( !dbManager->updateDataObjectToModel(ob) )
144 { errorMessage->showMessage("Database update failed!"); }
147 void DbObjectDialog::updateList() const
149 if (!dbManager) return;
150 dbManager->resetModel();
153 void DbObjectDialog::addButtonClicked()
159 void DbObjectDialog::editButtonClicked()
165 void DbObjectDialog::deleteButtonClicked()
167 QItemSelectionModel *selModel = objectList->selectionModel();
168 if (!selModel->hasSelection()) return;
170 QAbstractItemModel *tblModel = objectList->model();
171 QModelIndex index = selModel->currentIndex();
172 QVariant vName = tblModel->data(index);
173 QString name = vName.toString();
176 QString msg = tr("Do you want to delete") + name + "?";
177 int yn = QMessageBox::question(this, "Confirm", msg, QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
178 if (yn == QMessageBox::Yes)
184 void DbObjectDialog::layout()
186 QHBoxLayout *mainLayout = new QHBoxLayout;
187 mainLayout->addWidget(objectList);
188 mainLayout->addWidget(buttonBox);
189 setLayout(mainLayout);
192 void DbObjectDialog::listObjectClicked(const QModelIndex &index)
194 const QModelIndex *x;
196 qDebug() << "Row " << x->row() << ", column " << x->column() << " clicked.";
197 setButtonsEnabled(index.isValid());
202 void DbObjectDialog::setButtonsEnabled(bool enabled)
204 editButton->setEnabled(enabled);
205 deleteButton->setEnabled(enabled);
208 void DbObjectDialog::disableSelection()
210 setButtonsEnabled(false);
213 void DbObjectDialog::activateNameDialog()
215 if (!nameDialog) return;
218 nameDialog->updateData();
219 nameDialog->activateWindow();
222 void DbObjectDialog::initDataTable()
224 objectList->setModel(dbManager->getDataModel());
225 objectList->setSelectionMode(QAbstractItemView::SingleSelection);
226 objectList->resizeColumnsToContents();
229 void DbObjectDialog::updateReject()
231 // we don't want to keep this in memory
232 deleteCurrentObject();
235 void DbObjectDialog::updateData()
238 if (!dbObject) return;
240 // if data object id > -1 we are updating the data otherwise we are inserting new data
241 if (dbObject->getId() > -1) updateDb(dbObject);
242 else insertDb(dbObject);
244 // we don't need dbObject anymore
245 deleteCurrentObject();
250 void DbObjectDialog::deleteCurrentObject()
255 bool DbObjectDialog::confirmDelete(QString name, int numRefs)
257 int r = QMessageBox::warning(this, tr("Confirm delete"),
258 QString("Do you really want to delete %1 with %2 data bindings?")
259 .arg(name).arg(numRefs),
260 QMessageBox::Yes | QMessageBox::No);
261 if ( r == QMessageBox::No )
266 void DbObjectDialog::refreshDataModel()
268 dbManager->resetModel();