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 explicitly delete widgets within a parented layout
49 // they are automatically parented and will be deleted
50 // dbManager is also parented and will be implicitly deleted
51 // this must be deleted in an implementing class
53 // hiddenColumn QList will be deleted implicitly, since it
54 // implements implicit data sharing
57 void DbObjectDialog::connectSignals()
59 connect(buttonBox, SIGNAL(accepted()), this, SLOT(close()));
60 connect(objectList, SIGNAL(clicked(const QModelIndex &)),
61 this, SLOT(listObjectClicked(const QModelIndex &)));
62 connect(editButton, SIGNAL(clicked()), this, SLOT(editButtonClicked()));
63 connect(addButton, SIGNAL(clicked()), this, SLOT(addButtonClicked()));
64 connect(deleteButton, SIGNAL(clicked()), this, SLOT(deleteButtonClicked()));
67 void DbObjectDialog::connectNameDialogSignals()
69 connect(nameDialog, SIGNAL(dataObjectUpdated()), this, SLOT(updateData()));
70 connect(nameDialog, SIGNAL(updateRejected()), this, SLOT(updateReject()));
71 connect(nameDialog, SIGNAL(test()), this, SLOT(testSlot()));
72 connect(nameDialog, SIGNAL(dialogClosed()), this, SLOT(enableUi()));
75 void DbObjectDialog::testSlot()
77 qDebug() << "TEST SIGNAL RECEIVED!";
80 void DbObjectDialog::insertDb(const EmuFrontObject *ob) const
82 if (!dbManager->insertDataObjectToModel(ob))
83 errorMessage->showMessage(tr("Inserting data object %1 failed.").arg(ob->getName()));
86 void DbObjectDialog::createEditDialog()
89 // call this from implementing classes:
90 //connectNameDialogSignals();
93 void DbObjectDialog::addObject()
99 deleteCurrentObject();
100 dbObject = createObject();
101 nameDialog->setDataObject(dbObject);
102 activateNameDialog();
105 void DbObjectDialog::editObject()
107 QModelIndex index = objectList->currentIndex();
108 if (!index.isValid())
113 deleteCurrentObject();
115 dbObject = dbManager->getDataObjectFromModel(&index);
116 } catch (EmuFrontException &e) { errorMessage->showMessage(e.what()); }
117 activateNameDialog();
118 nameDialog->setDataObject(dbObject);
121 bool DbObjectDialog::deleteItem()
123 qDebug() << "deleteItem called";
124 QModelIndex index = objectList->currentIndex();
125 if (!index.isValid()) return false;
128 EmuFrontObject *ob = dbManager->getDataObjectFromModel(&index);
130 qDebug() << "Trying to delete " << ob->getName();
134 errorMessage->showMessage(tr("Couldn't find the selected data object from data model!"));
138 int numBindings = dbManager->countDataObjectRefs(ob->getId());
140 if (numBindings > 0 && !confirmDelete(ob->getName(), numBindings))
142 deleteCurrentObject();
144 bool delOk = dbManager->deleteDataObject(ob->getId());
147 errorMessage->showMessage(tr("Deleting data object %1 failed!").arg(ob->getName()));
151 objectList->setFocus();
154 catch(EmuFrontException e)
156 errorMessage->showMessage(e.what());
161 void DbObjectDialog::updateDb(const EmuFrontObject *ob) const
164 if ( !dbManager->updateDataObjectToModel(ob) )
165 { errorMessage->showMessage("Database update failed!"); }
168 void DbObjectDialog::updateList() const
170 if (!dbManager) return;
171 dbManager->resetModel();
172 objectList->resizeColumnsToContents();
175 void DbObjectDialog::addButtonClicked()
181 void DbObjectDialog::editButtonClicked()
187 void DbObjectDialog::deleteButtonClicked()
189 QItemSelectionModel *selModel = objectList->selectionModel();
190 if (!selModel->hasSelection()) return;
192 QAbstractItemModel *tblModel = objectList->model();
193 QModelIndex index = selModel->currentIndex();
194 QVariant vName = tblModel->data(index);
195 QString name = vName.toString();
198 QString msg = tr("Do you want to delete") + name + "?";
199 int yn = QMessageBox::question(this, "Confirm", msg, QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
200 if (yn == QMessageBox::Yes)
206 void DbObjectDialog::layout()
208 QHBoxLayout *mainLayout = new QHBoxLayout;
209 mainLayout->addWidget(objectList);
210 mainLayout->addWidget(buttonBox);
211 setLayout(mainLayout);
214 void DbObjectDialog::listObjectClicked(const QModelIndex &index)
216 const QModelIndex *x;
218 qDebug() << "Row " << x->row() << ", column " << x->column() << " clicked.";
219 setButtonsEnabled(index.isValid());
224 void DbObjectDialog::enableUi()
229 void DbObjectDialog::setButtonsEnabled(bool enabled)
231 addButton->setEnabled(enabled);
232 editButton->setEnabled(enabled);
233 deleteButton->setEnabled(enabled);
236 void DbObjectDialog::setUIEnabled(bool enabled)
238 buttonBox->setEnabled(enabled);
239 objectList->setEnabled(enabled);
242 void DbObjectDialog::disableSelection()
245 //setButtonsEnabled(false);
248 void DbObjectDialog::activateNameDialog(bool updateData)
250 if (!nameDialog) return;
254 nameDialog->updateData();
255 nameDialog->activateWindow();
258 void DbObjectDialog::initDataTable()
260 objectList->setModel(dbManager->getDataModel());
261 objectList->setSelectionMode(QAbstractItemView::SingleSelection);
262 objectList->resizeColumnsToContents();
265 void DbObjectDialog::updateReject()
267 addButton->setEnabled(true);
269 // we don't want to keep this in memory
270 deleteCurrentObject();
273 void DbObjectDialog::updateData()
276 if (!dbObject) return;
278 // if data object id > -1 we are updating the data otherwise we are inserting new data
279 if (dbObject->getId() > -1) updateDb(dbObject);
280 else insertDb(dbObject);
282 // we don't need dbObject anymore
283 deleteCurrentObject();
289 /* Implementation specific delete must be used!
290 void DbObjectDialog::deleteCurrentObject()
295 bool DbObjectDialog::confirmDelete(QString name, int numRefs)
297 int r = QMessageBox::warning(this, tr("Confirm delete"),
298 QString("Do you really want to delete %1 with %2 data bindings?")
299 .arg(name).arg(numRefs),
300 QMessageBox::Yes | QMessageBox::No);
301 if ( r == QMessageBox::No )
306 void DbObjectDialog::refreshDataModel()
308 dbManager->resetModel();
311 void DbObjectDialog::hideColumns()
313 foreach(int c, hiddenColumns)
314 objectList->hideColumn(c);
317 void DbObjectDialog::closeEvent(QCloseEvent *ev)
319 qDebug() << "DbObjectDialog closing!";