Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 210 insertions, 0 deletions

diff --git a/kexi/kexidb/tableschema.h b/kexi/kexidb/tableschema.h
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+/* This file is part of the KDE project
+   Copyright (C) 2003 Joseph Wenninger <jowenn@kde.org>
+   Copyright (C) 2003-2006 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 KEXIDB_TABLE_H
+#define KEXIDB_TABLE_H
+
+#include <qvaluelist.h>
+#include <qptrlist.h>
+#include <qstring.h>
+#include <qguardedptr.h>
+
+#include <kexidb/fieldlist.h>
+#include <kexidb/schemadata.h>
+#include <kexidb/indexschema.h>
+#include <kexidb/relationship.h>
+
+namespace KexiDB {
+
+class Connection;
+class LookupFieldSchema;
+
+/*! KexiDB::TableSchema provides information about native database table
+	that can be stored using KexiDB database engine.
+*/
+class KEXI_DB_EXPORT TableSchema : public FieldList, public SchemaData
+{
+	public:
+		typedef QPtrList<TableSchema> List; //!< Type of tables list
+		typedef QPtrListIterator<TableSchema> ListIterator; //!< Iterator for tables list
+
+		TableSchema(const QString & name);
+		TableSchema(const SchemaData& sdata);
+		TableSchema();
+
+		/*! Copy constructor. 
+		 if \a copyId is true, it's copied as well, otherwise the table id becomes -1,
+		 what is usable when we want to store the copy as an independent table. */
+		TableSchema(const TableSchema& ts, bool copyId = true);
+
+		/*! Copy constructor like \ref TableSchema(const TableSchema&, bool).
+		 \a setId is set as the table identifier. This is rarely usable, e.g. 
+		 in project and data migration routines when we need to need deal with unique identifiers;
+		 @see KexiMigrate::performImport(). */
+		TableSchema(const TableSchema& ts, int setId);
+
+		virtual ~TableSchema();
+		
+		/*! Inserts \a field into a specified position (\a index).
+		 'order' property of \a field is set automatically. */
+		virtual FieldList& insertField(uint index, Field *field);
+
+		/*! Reimplemented for internal reasons. */
+		virtual void removeField(KexiDB::Field *field);
+
+		/*! \return list of fields that are primary key of this table.
+		 This method never returns 0 value,
+		 if there is no primary key, empty IndexSchema object is returned.
+		 IndexSchema object is owned by the table schema. */
+		IndexSchema* primaryKey() const { return m_pkey; }
+
+		/*! Sets table's primary key index to \a pkey. Pass pkey==0 if you want to unassign
+		 existing primary key ("primary" property of given IndexSchema object will be
+		 cleared then so this index becomes ordinary index, still existing on table indeices list). 
+		 
+		 If this table already has primary key assigned, 
+		 it is unassigned using setPrimaryKey(0) call.
+		 
+		 Before assigning as primary key, you should add the index to indices list 
+		 with addIndex() (this is not done automatically!).
+		*/
+		void setPrimaryKey(IndexSchema *pkey);
+
+		const IndexSchema::ListIterator indicesIterator() const 
+			{ return IndexSchema::ListIterator(m_indices); }
+
+		const IndexSchema::List* indices() { return &m_indices; }
+
+		/*! Removes all fields from the list, clears name and all other properties. 
+			\sa FieldList::clear() */
+		virtual void clear();
+
+		/*! \return String for debugging purposes, if \a includeTableName is true,
+		 table name, caption, etc. is prepended, else only debug string for 
+		 the fields are returned. */
+		QString debugString(bool includeTableName);
+
+		/*! \return String for debugging purposes. Equal to debugString(true). */
+		virtual QString debugString();
+
+		/*! \return connection object if table was created/retrieved using a connection, 
+			otherwise 0. */
+		Connection* connection() const { return m_conn; }
+
+		/*! \return true if this is KexiDB storage system's table 
+		 (used internally by KexiDB). This helps in hiding such tables
+		 in applications (if desired) and will also enable lookup of system 
+		 tables for schema export/import functionality. 
+		 
+		 Any internal KexiDB system table's schema (kexi__*) has 
+		 cleared its SchemaData part, e.g. id=-1 for such table,
+		 and no description, caption and so on. This is because
+		 it represents a native database table rather that extended Kexi table.
+		 
+		 isKexiDBSystem()==true implies isNative()==true.
+		 
+		 By default (after allocation), TableSchema object 
+		 has this property set to false. */
+		bool isKexiDBSystem() const { return m_isKexiDBSystem; }
+
+		/*! Sets KexiDBSystem flag to on or off. When on, native flag is forced to be on.
+		 When off, native flag is not affected.
+		 \sa isKexiDBSystem() */
+		void setKexiDBSystem(bool set);
+
+		/*! \return true if this is schema of native database object,
+		 When this is kexiDBSystem table, native flag is forced to be on. */
+		virtual bool isNative() const { return m_native || m_isKexiDBSystem; }
+		
+		/* Sets native flag. Does not allow to set this off for system KexiDB table. */
+		virtual void setNative(bool set);
+
+		/*! \return query schema object that is defined by "select * from <this_table_name>"
+		 This query schema object is owned by the table schema object.
+		 It is convenient way to get such a query when it is not available otherwise.
+		 Always returns non-0. */
+		QuerySchema* query();
+
+		/*! \return any field not being a part of primary key of this table.
+		 If there is no such field, returns 0. */
+		Field* anyNonPKField();
+
+		/*! Sets lookup field schema \a lookupFieldSchema for \a fieldName. 
+		 Passing null \a lookupFieldSchema will remove the previously set lookup field.  
+		 \return true if \a lookupFieldSchema has been added, 
+		 or false if there is no such field \a fieldName. */
+		bool setLookupFieldSchema( const QString& fieldName, LookupFieldSchema *lookupFieldSchema );
+
+		/*! \return lookup field schema for \a field. 
+		 0 is returned if there is no such field in the table or this field has no lookup schema. 
+		 Note that even id non-zero is returned here, you may want to check whether lookup field's
+		 rowSource().name() is empty (if so, the field should behave as there was no lookup field 
+		 defined at all). */
+		LookupFieldSchema *lookupFieldSchema( const Field& field ) const;
+
+		/*! \overload LookupFieldSchema *TableSchema::lookupFieldSchema( Field& field ) const */
+		LookupFieldSchema *lookupFieldSchema( const QString& fieldName );
+
+		/*! \return list of lookup field schemas for this table. 
+		 The order is the same as the order of fields within the table. */
+		const QPtrVector<LookupFieldSchema>& lookupFieldsList();
+
+	protected:
+		/*! Automatically retrieves table schema via connection. */
+		TableSchema(Connection *conn, const QString & name = QString::null);
+
+		IndexSchema::List m_indices;
+
+		QGuardedPtr<Connection> m_conn;
+		
+		IndexSchema *m_pkey;
+
+		QuerySchema *m_query; //!< cached query schema that is defined by "select * from <this_table_name>"
+
+		class Private;
+		Private *d;
+
+	private:
+		//! Used by some ctors.
+		void init();
+
+		//! Used by some ctors.
+		void init(const TableSchema& ts, bool copyId);
+
+		bool m_isKexiDBSystem : 1;
+
+	friend class Connection;
+};
+
+/*! Internal table with a name \a name. Rarely used.
+ Use Connection::createTable() to create a table using this schema.
+ The table will not be visible as user table. 
+ For example, 'kexi__blobs' table is created this way by Kexi application. */
+class KEXI_DB_EXPORT InternalTableSchema : public TableSchema
+{
+	public:
+		InternalTableSchema(const QString& name);
+		InternalTableSchema(const TableSchema& ts);
+		virtual ~InternalTableSchema();
+};
+
+} //namespace KexiDB
+
+#endif