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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 library 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 library 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 library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KEXIQUERYDESIGNERGUIEDITOR_H
#define KEXIQUERYDESIGNERGUIEDITOR_H
#include <tqguardedptr.h>
#include <tqsplitter.h>
#include <kexiviewbase.h>
#include "kexiquerypart.h"
class KexiMainWindow;
class KexiTableViewData;
class KexiDataTable;
class KexiTableItem;
class KexiRelationWidget;
class KexiSectionHeader;
class KexiDataAwarePropertySet;
class KexiRelationViewTableContainer;
class KexiRelationViewConnection;
namespace KexiPart
{
class Item;
}
namespace KoProperty {
class Property;
class Set;
}
namespace KexiDB
{
class Connection;
class QuerySchema;
class TableSchema;
class ResultInfo;
}
//! Design view of the Query Designer
class KexiQueryDesignerGuiEditor : public KexiViewBase
{
TQ_OBJECT
public:
KexiQueryDesignerGuiEditor(KexiMainWindow *mainWin, TQWidget *parent, const char *name = 0);
virtual ~KexiQueryDesignerGuiEditor();
// KexiDB::QuerySchema *schema();
KexiRelationWidget *relationView() const;
virtual TQSize sizeHint() const;
public slots:
virtual void setFocus();
protected:
void initTableColumns(); //!< Called just once.
void initTableRows(); //!< Called to have all rows empty.
//unused void addRow(const TQString &tbl, const TQString &field);
// void restore();
virtual tristate beforeSwitchTo(int mode, bool &dontStore);
virtual tristate afterSwitchFrom(int mode);
virtual KexiDB::SchemaData* storeNewData(const KexiDB::SchemaData& sdata, bool &cancel);
virtual tristate storeData(bool dontAsk = false);
/*! Updates data in columns depending on tables that are currently inserted.
Tabular Data in combo box popups is updated as well. */
void updateColumnsData();
/*! \return property buffer associated with currently selected row (i.e. field)
or 0 if current row is empty. */
virtual KoProperty::Set *propertySet();
KoProperty::Set* createPropertySet( int row,
const TQString& tableName, const TQString& fieldName, bool newOne = false );
/*! Builds query schema out of information provided by gui.
The schema is stored in temp->query member.
\a errMsg is optional error message returned.
\return true on proper schema creation. */
bool buildSchema(TQString *errMsg = 0);
KexiQueryPart::TempData * tempData() const;
/*! Helper: allocates and initializes new table view's row. Doesn't insert it, just returns.
\a tableName and \a fieldName shoudl be provided.
\a visible flag sets value for "Visible" column. */
KexiTableItem* createNewRow(const TQString& tableName, const TQString& fieldName,
bool visible) const;
KexiDB::BaseExpr* parseExpressionString(const TQString& fullString, int& token,
bool allowRelationalOperator);
TQCString generateUniqueAlias() const;
void updatePropertiesVisibility(KoProperty::Set& buf);
protected slots:
void slotDragOverTableRow(KexiTableItem *item, int row, TQDragMoveEvent* e);
void slotDroppedAtRow(KexiTableItem *item, int row,
TQDropEvent *ev, KexiTableItem*& newItem);
//! Reaction on appending a new item after deleting one
void slotNewItemAppendedForAfterDeletingInSpreadSheetMode();
void slotTableAdded(KexiDB::TableSchema &t);
void slotTableHidden(KexiDB::TableSchema &t);
//! Called before cell change in tableview.
void slotBeforeCellChanged(KexiTableItem *item, int colnum,
TQVariant& newValue, KexiDB::ResultInfo* result);
void slotRowInserted(KexiTableItem* item, uint row, bool repaint);
void slotTablePositionChanged(KexiRelationViewTableContainer*);
void slotAboutConnectionRemove(KexiRelationViewConnection*);
void slotTableFieldDoubleClicked( KexiDB::TableSchema* table, const TQString& fieldName );
/*! Loads layout of relation GUI diagram. */
bool loadLayout();
/*! Stores layout of relation GUI diagram. */
bool storeLayout();
void showTablesForQuery(KexiDB::QuerySchema *query);
//! @internal
void showFieldsOrRelationsForQueryInternal(
KexiDB::QuerySchema *query, bool showFields, bool showRelations, KexiDB::ResultInfo& result);
//! convenience method equal to showFieldsOrRelationsForQueryInternal(query, true, true)
void showFieldsAndRelationsForQuery(KexiDB::QuerySchema *query, KexiDB::ResultInfo& result);
//! convenience method equal to showFieldsOrRelationsForQueryInternal(query, true, false)
void showFieldsForQuery(KexiDB::QuerySchema *query, KexiDB::ResultInfo& result);
//! convenience method equal to showFieldsOrRelationsForQueryInternal(query, false, true)
void showRelationsForQuery(KexiDB::QuerySchema *query, KexiDB::ResultInfo& result);
void addConnection(KexiDB::Field *masterField, KexiDB::Field *detailsField);
void slotPropertyChanged(KoProperty::Set& list, KoProperty::Property& property);
// void slotObjectCreated(const TQCString &mime, const TQCString& name);
void slotNewItemStored(KexiPart::Item&);
void slotItemRemoved(const KexiPart::Item& item);
void slotItemRenamed(const KexiPart::Item& item, const TQCString& oldName);
private:
class Private;
Private *d;
friend class KexiQueryView; // for storeNewData() and storeData() only
};
#endif
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