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Diffstat (limited to 'kexi/plugins/queries/kexiquerydesignerguieditor.h')
| -rw-r--r-- | kexi/plugins/queries/kexiquerydesignerguieditor.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/kexi/plugins/queries/kexiquerydesignerguieditor.h b/kexi/plugins/queries/kexiquerydesignerguieditor.h new file mode 100644 index 00000000..03acb7f6 --- /dev/null +++ b/kexi/plugins/queries/kexiquerydesignerguieditor.h @@ -0,0 +1,170 @@ +/* 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 <qguardedptr.h> +#include <qsplitter.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 +{ + Q_OBJECT + + public: + KexiQueryDesignerGuiEditor(KexiMainWindow *mainWin, QWidget *parent, const char *name = 0); + virtual ~KexiQueryDesignerGuiEditor(); + +// KexiDB::QuerySchema *schema(); + + KexiRelationWidget *relationView() const; + + virtual QSize 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 QString &tbl, const QString &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 QString& tableName, const QString& 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(QString *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 QString& tableName, const QString& fieldName, + bool visible) const; + + KexiDB::BaseExpr* parseExpressionString(const QString& fullString, int& token, + bool allowRelationalOperator); + + QCString generateUniqueAlias() const; + void updatePropertiesVisibility(KoProperty::Set& buf); + + protected slots: + void slotDragOverTableRow(KexiTableItem *item, int row, QDragMoveEvent* e); + void slotDroppedAtRow(KexiTableItem *item, int row, + QDropEvent *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, + QVariant& newValue, KexiDB::ResultInfo* result); + + void slotRowInserted(KexiTableItem* item, uint row, bool repaint); + void slotTablePositionChanged(KexiRelationViewTableContainer*); + void slotAboutConnectionRemove(KexiRelationViewConnection*); + void slotTableFieldDoubleClicked( KexiDB::TableSchema* table, const QString& 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 QCString &mime, const QCString& name); + void slotNewItemStored(KexiPart::Item&); + void slotItemRemoved(const KexiPart::Item& item); + void slotItemRenamed(const KexiPart::Item& item, const QCString& oldName); + + private: + class Private; + Private *d; + + friend class KexiQueryView; // for storeNewData() and storeData() only +}; + +#endif + |