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/* This file is part of the KDE project
Copyright (C) 2004 Lucijan Busch <lucijan@kde.org>
Copyright (C) 2004, 2006 Jaroslaw Staniek <js@iidea.pl>
This program 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 program 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 program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <kexiproject.h>
#include <kexidb/connection.h>
#include <kexidb/parser/parser.h>
#include <kexidb/cursor.h>
#include <keximainwindow.h>
#include <kexiutils/utils.h>
#include "kexiqueryview.h"
#include "kexiquerydesignersql.h"
#include "kexiquerydesignerguieditor.h"
#include "kexiquerypart.h"
#include <widget/tableview/kexitableview.h>
#include <widget/kexiqueryparameters.h>
//! @internal
class KexiQueryView::Private
{
public:
Private()
: cursor(0)
// , queryHasBeenChangedInViewMode( Kexi::NoViewMode )
{}
~Private() {}
KexiDB::Cursor *cursor;
/*! Used in storeNewData(), storeData() to decide whether
we should ask other view to save changes.
Stores information about view mode. */
// int queryHasBeenChangedInViewMode;
};
//---------------------------------------------------------------------------------
KexiQueryView::KexiQueryView(KexiMainWindow *win, QWidget *parent, const char *name)
: KexiDataTable(win, parent, name)
, d( new Private() )
{
tableView()->setInsertingEnabled(false); //default
}
KexiQueryView::~KexiQueryView()
{
if (d->cursor)
d->cursor->connection()->deleteCursor(d->cursor);
delete d;
}
tristate KexiQueryView::executeQuery(KexiDB::QuerySchema *query)
{
if (!query)
return false;
KexiUtils::WaitCursor wait;
KexiDB::Cursor *oldCursor = d->cursor;
KexiDB::debug( query->parameters() );
bool ok;
QValueList<QVariant> params;
{
KexiUtils::WaitCursorRemover remover;
params = KexiQueryParameters::getParameters(this,
*mainWin()->project()->dbConnection()->driver(), *query, ok);
}
if (!ok) {//input cancelled
return cancelled;
}
d->cursor = mainWin()->project()->dbConnection()->executeQuery(*query, params);
if (!d->cursor) {
parentDialog()->setStatus(parentDialog()->mainWin()->project()->dbConnection(),
i18n("Query executing failed."));
//todo: also provide server result and sql statement
return false;
}
setData(d->cursor);
//! @todo remove close() when dynamic cursors arrive
d->cursor->close();
if (oldCursor)
oldCursor->connection()->deleteCursor(oldCursor);
//! @todo maybe allow writing and inserting for single-table relations?
tableView()->setReadOnly( true );
//! @todo maybe allow writing and inserting for single-table relations?
//set data model itself read-only too
tableView()->data()->setReadOnly( true );
tableView()->setInsertingEnabled( false );
return true;
}
tristate KexiQueryView::afterSwitchFrom(int mode)
{
if (mode==Kexi::NoViewMode) {
KexiDB::QuerySchema *querySchema = static_cast<KexiDB::QuerySchema *>(parentDialog()->schemaData());
const tristate result = executeQuery(querySchema);
if (true != result)
return result;
}
else if (mode==Kexi::DesignViewMode || Kexi::TextViewMode) {
KexiQueryPart::TempData * temp = static_cast<KexiQueryPart::TempData*>(parentDialog()->tempData());
//remember what view we should use to store data changes, if needed
// if (temp->queryChangedInPreviousView)
// d->queryHasBeenChangedInViewMode = mode;
// else
// d->queryHasBeenChangedInViewMode = Kexi::NoViewMode;
const tristate result = executeQuery(temp->query());
if (true != result)
return result;
}
return true;
}
KexiDB::SchemaData* KexiQueryView::storeNewData(const KexiDB::SchemaData& sdata, bool &cancel)
{
KexiViewBase * view = parentDialog()->viewThatRecentlySetDirtyFlag();
if (dynamic_cast<KexiQueryDesignerGuiEditor*>(view))
return dynamic_cast<KexiQueryDesignerGuiEditor*>(view)->storeNewData(sdata, cancel);
if (dynamic_cast<KexiQueryDesignerSQLView*>(view))
return dynamic_cast<KexiQueryDesignerSQLView*>(view)->storeNewData(sdata, cancel);
return 0;
}
tristate KexiQueryView::storeData(bool dontAsk)
{
KexiViewBase * view = parentDialog()->viewThatRecentlySetDirtyFlag();
if (dynamic_cast<KexiQueryDesignerGuiEditor*>(view))
return dynamic_cast<KexiQueryDesignerGuiEditor*>(view)->storeData(dontAsk);
if (dynamic_cast<KexiQueryDesignerSQLView*>(view))
return dynamic_cast<KexiQueryDesignerSQLView*>(view)->storeData(dontAsk);
return false;
}
#include "kexiqueryview.moc"
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