// $Id: WMain.h 25 2006-10-10 09:50:32Z tb $
// Copyright 2006 Timo Bingmann
//
// The main dialog controller class with a load of slots to process input from
// all tabs.
//
#ifndef _WMain_H_
#define _WMain_H_
#include <QtGui/QMainWindow>
#include <QtGui/QFileDialog>
#include <QtGui/QClipboard>
#include <QtCore/QDebug>
#include <QtCore/QFile>
#include <QtCore/QTextStream>
#include <QtCore/QProcess>
#include <QtCore/QUrl>
#include "ui_WMain.h"
#include "WConnection.h"
#include "SQLHighlighter.h"
#ifdef Q_WS_WIN
#include <windows.h>
#include <shlobj.h>
#include <intshcut.h>
#endif
class WMain : public QMainWindow, public Ui::WMain
{
Q_OBJECT
public:
WMain()
: QMainWindow(),
datatablemodel(NULL)
{
setupUi(this);
statusBar()->hide();
dblist.loadFromSettings();
treeDbList->setModel(&dblist);
treeDbList->setContextMenuPolicy(Qt::CustomContextMenu);
connect(treeDbList, SIGNAL(customContextMenuRequested(const QPoint&)),
this, SLOT(show_treeDbList_contextMenu(const QPoint &)));
dataTable->setContextMenuPolicy(Qt::CustomContextMenu);
connect(dataTable, SIGNAL(customContextMenuRequested(const QPoint&)),
this, SLOT(show_dataTable_contextMenu(const QPoint &)));
connect(dataTable->horizontalHeader(), SIGNAL(sectionDoubleClicked(int)),
this, SLOT(slot_dataTable_horizontalHeader_sectionDoubleClicked(int)));
schemaTable->setModel(&schemamodel);
schemaTable->verticalHeader()->hide();
queryTable->hide();
queryTable->setModel(&userquerymodel);
// configure query editor
QFont font("Courier", 10);
font.setFixedPitch(true);
editQuery->setFont(font);
new SQLHighlighter(editQuery->document());
}
DbList dblist;
virtual void closeEvent(QCloseEvent *)
{
dblist.saveToSettings();
}
QSqlTableModel *datatablemodel;
int datatablemodel_lastsort;
DbSchemaModel schemamodel;
QSqlQueryModel userquerymodel;
public slots:
// *** Menu Actions ***
void on_action_AddConnection_triggered()
{
WConnection wc(this, NULL);
if (wc.exec() == QDialog::Accepted)
{
dblist.addDbConnection( wc.dbp );
}
}
void on_action_EditConnection_triggered()
{
QModelIndex selected = treeDbList->currentIndex();
int selectednum = dblist.getDbConnectionNum(selected);
if (selectednum < 0)
{
QMessageBox::critical(this, "QtSqlView",
"No database connection selected. Click on one of the entries in the database list.");
}
else
{
WConnection wc(this, &dblist.list[selectednum]->dbparam);
if (wc.exec() == QDialog::Accepted)
{
dblist.editDbConnection(selectednum, wc.dbp);
}
}
}
void on_action_RemoveConnection_triggered()
{
QModelIndex selected = treeDbList->currentIndex();
int selectednum = dblist.getDbConnectionNum(selected);
if (selectednum < 0)
{
QMessageBox::critical(this, "QtSqlView",
"No database connection selected. Click on one of the entries in the database list.");
}
else
{
dblist.delDbConnection( selectednum );
}
}
void on_action_RefreshTablelist_triggered()
{
dblist.refresh();
}
void on_action_Exit_triggered()
{
close();
}
void on_action_About_triggered()
{
QMessageBox::about(this, "About QtSqlView",
"QtSqlView is a simple SQL database browser\n"
"built on Qt's excellent components.\n\n"
"Copyright 2006 Timo Bingmann\n"
"Released under the GNU General Public License v2\n\n"
"Visit http://idlebox.net/2006/qtsqlview/\n"
"for updates and more.\n");
}
// copied from qt-4.2.0's QDesktopServices
inline static bool launch(const QUrl &url, const QString &client)
{
return (QProcess::startDetached(client + " " + url.toEncoded()));
}
void on_action_VisitWebsite_triggered()
{
QUrl url("http://idlebox.net/2006/qtsqlview/");
#ifdef Q_WS_WIN
QT_WA({ ShellExecute(0, 0, (TCHAR*)QString(url.toEncoded()).utf16(), 0, 0, SW_SHOWNORMAL); },
{ ShellExecuteA(0, 0, QString(url.toEncoded()).toLocal8Bit(), 0, 0, SW_SHOWNORMAL); });
#else
if (launch(url, "firefox"))
return;
if (launch(url, "mozilla"))
return;
if (launch(url, "netscape"))
return;
if (launch(url, "opera"))
return;
#endif
}
void on_action_AboutQt_triggered()
{
QMessageBox::aboutQt(this, "About Qt");
}
// *** Triggers of the DbList TreeView
void on_treeDbList_clicked(const QModelIndex &index)
{
DbTable* dbt = dblist.getDbTable(index);
if (!dbt) return;
if (datatablemodel) {
delete datatablemodel;
}
datatablemodel = new QSqlTableModel(this, dbt->dbconn->db);
dataTable->setModel(datatablemodel);
datatablemodel->setTable(dbt->tablename);
datatablemodel->setEditStrategy(QSqlTableModel::OnManualSubmit);
datatablemodel->select();
datatablemodel_lastsort = -1;
dataTable->resizeColumnsToContents();
dataTable->resizeRowsToContents();
schemamodel.setRecord(dbt, datatablemodel->record());
}
void on_treeDbList_expanded(const QModelIndex &index)
{
dblist.expanding(index);
}
void on_treeDbList_collapsed(const QModelIndex &index)
{
dblist.collapsed(index);
}
void show_treeDbList_contextMenu(const QPoint &position)
{
QMenu contextmenu(this);
QModelIndex index = treeDbList->indexAt(position);
if (index.isValid())
{
contextmenu.addAction(action_EditConnection);
contextmenu.addAction(action_RemoveConnection);
contextmenu.addSeparator();
}
contextmenu.addAction(action_AddConnection);
contextmenu.addAction(action_RefreshTablelist);
contextmenu.exec(treeDbList->mapToGlobal(position));
}
// *** Data Table Tab ***
void show_dataTable_contextMenu(const QPoint &position)
{
QMenu contextmenu(this);
contextmenu.addAction(action_RevertData);
contextmenu.addAction(action_RefreshData);
contextmenu.addSeparator();
contextmenu.addAction(action_AddRow);
contextmenu.addAction(action_DelRow);
contextmenu.exec(dataTable->mapToGlobal(position));
}
void on_action_AddRow_triggered()
{
if (!datatablemodel) return;
QModelIndex index = dataTable->currentIndex();
int row = index.row() == -1 ? 0 : index.row();
datatablemodel->insertRow(row);
index = datatablemodel->index(row, 0);
dataTable->setCurrentIndex(index);
dataTable->edit(index);
}
void on_action_DelRow_triggered()
{
if (!datatablemodel) return;
QModelIndexList indexlist = dataTable->selectionModel()->selectedIndexes();
for (int i = 0; i < indexlist.count(); ++i)
{
datatablemodel->removeRow(indexlist.at(i).row());
}
}
void on_action_RefreshData_triggered()
{
if (!datatablemodel) return;
datatablemodel->select();
}
void on_action_SaveData_triggered()
{
if (!datatablemodel) return;
datatablemodel->submitAll();
}
void on_action_RevertData_triggered()
{
if (!datatablemodel) return;
datatablemodel->revertAll();
}
void on_addRowButton_clicked()
{
on_action_AddRow_triggered();
}
void on_delRowButton_clicked()
{
on_action_DelRow_triggered();
}
void on_refreshDataButton_clicked()
{
on_action_RefreshData_triggered();
}
void on_saveDataButton_clicked()
{
on_action_SaveData_triggered();
}
void on_revertDataButton_clicked()
{
on_action_RevertData_triggered();
}
void slot_dataTable_horizontalHeader_sectionDoubleClicked(int logicalIndex)
{
if (!datatablemodel) return;
Qt::SortOrder order = Qt::AscendingOrder;
if (logicalIndex == datatablemodel_lastsort) {
order = Qt::DescendingOrder;
datatablemodel_lastsort = -1;
}
else {
datatablemodel_lastsort = logicalIndex;
}
datatablemodel->sort(logicalIndex, order);
}
static void save_to_clipboard(QSqlQuery query, const QItemSelection &sellist, QClipboard::Mode mode)
{
if (!query.isSelect() || !query.isActive()) {
qDebug() << "bad query";
return;
}
QString seltext;
Q_FOREACH(const QItemSelectionRange &selrange, sellist)
{
if (!query.seek(selrange.top())) {
qDebug() << "Could not seek in result";
continue;
}
for(int rowi = selrange.top(); rowi <= selrange.bottom(); ++rowi)
{
for(int fi = selrange.left(); fi <= selrange.right(); ++fi)
{
if (fi != selrange.left()) seltext += "\t";
seltext += query.value(fi).toString();
}
seltext += "\n";
query.next();
}
}
QClipboard *clip = QApplication::clipboard();
clip->setText(seltext, mode);
}
void on_copyDataButton_clicked()
{
if (!datatablemodel) return;
QItemSelectionModel *selmodel = dataTable->selectionModel();
const QItemSelection &sellist = selmodel->selection();
save_to_clipboard(datatablemodel->query(), sellist, QClipboard::Clipboard);
}
// *** Query Tab ***
void on_goQueryButton_clicked()
{
DbConnection *dbc = dblist.getDbConnection( treeDbList->currentIndex() );
if (!dbc)
{
queryTable->hide();
queryResultText->show();
queryResultText->setPlainText("No database connection selected.\nAdd and activate a connection in the left tree view.");
return;
}
if (!dbc->db.isOpen()) {
QSqlError ce = dbc->connect(dblist);
if (ce.isValid())
{
queryTable->hide();
queryResultText->show();
queryResultText->setPlainText(QString("%1\n%2")
.arg(ce.driverText())
.arg(ce.databaseText()));
return;
}
}
// initialize new sql query object
userquerymodel.setQuery(editQuery->toPlainText(), dbc->db);
if (userquerymodel.lastError().isValid())
{
queryTable->hide();
queryResultText->show();
queryResultText->setPlainText(QString("%1\n%2")
.arg(userquerymodel.lastError().driverText())
.arg(userquerymodel.lastError().databaseText()));
}
else
{
// query was successful
if (userquerymodel.query().isSelect())
{
queryResultText->hide();
queryTable->show();
queryTable->resizeColumnsToContents();
queryTable->resizeRowsToContents();
}
else
{
queryTable->hide();
queryResultText->show();
queryResultText->setPlainText(QString("%1 rows affected.")
.arg( userquerymodel.query().numRowsAffected() ));
}
}
}
void on_copyQueryDataButton_clicked()
{
QItemSelectionModel *selmodel = queryTable->selectionModel();
const QItemSelection &sellist = selmodel->selection();
save_to_clipboard(userquerymodel.query(), sellist, QClipboard::Clipboard);
}
void on_clearQueryButton_clicked()
{
editQuery->clear();
}
void on_loadQueryButton_clicked()
{
QString filename = QFileDialog::getOpenFileName(this, "Choose a SQL text file",
QString(),
"SQL text files (*.sql *.txt);;All Files (*.*)");
if (filename.isEmpty()) return;
QFile file(filename);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
{
QMessageBox::critical(this, "QtSqlView",
"Could not load sql query text file");
return;
}
editQuery->setPlainText( file.readAll() );
}
void on_saveQueryButton_clicked()
{
QString filename = QFileDialog::getSaveFileName(this, "Choose a SQL text file",
QString(),
"SQL text files (*.sql *.txt);;All Files (*.*)");
if (filename.isEmpty()) return;
QFile file(filename);
if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
{
QMessageBox::critical(this, "QtSqlView",
"Could not save sql query text file");
return;
}
QTextStream out(&file);
out << editQuery->toPlainText();
}
};
#endif // _WMain_H_
