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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 01:29:50 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 01:29:50 +0000
commit8362bf63dea22bbf6736609b0f49c152f975eb63 (patch)
tree0eea3928e39e50fae91d4e68b21b1e6cbae25604 /kexi/kexidb/roweditbuffer.cpp
downloadkoffice-8362bf63dea22bbf6736609b0f49c152f975eb63.tar.gz
koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.zip
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
Diffstat (limited to 'kexi/kexidb/roweditbuffer.cpp')
-rw-r--r--kexi/kexidb/roweditbuffer.cpp129
1 files changed, 129 insertions, 0 deletions
diff --git a/kexi/kexidb/roweditbuffer.cpp b/kexi/kexidb/roweditbuffer.cpp
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+++ b/kexi/kexidb/roweditbuffer.cpp
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+/* This file is part of the KDE project
+ 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.
+*/
+
+#include "roweditbuffer.h"
+#include "utils.h"
+
+#include <kdebug.h>
+
+using namespace KexiDB;
+
+
+RowEditBuffer::RowEditBuffer(bool dbAwareBuffer)
+: m_simpleBuffer(dbAwareBuffer ? 0 : new SimpleMap())
+, m_simpleBufferIt(dbAwareBuffer ? 0 : new SimpleMap::ConstIterator())
+, m_dbBuffer(dbAwareBuffer ? new DBMap() : 0)
+, m_dbBufferIt(dbAwareBuffer ? new DBMap::Iterator() : 0)
+, m_defaultValuesDbBuffer(dbAwareBuffer ? new QMap<QueryColumnInfo*,bool>() : 0)
+, m_defaultValuesDbBufferIt(dbAwareBuffer ? new QMap<QueryColumnInfo*,bool>::ConstIterator() : 0)
+{
+}
+
+RowEditBuffer::~RowEditBuffer()
+{
+ delete m_simpleBuffer;
+ delete m_simpleBufferIt;
+ delete m_dbBuffer;
+ delete m_defaultValuesDbBuffer;
+ delete m_dbBufferIt;
+}
+
+const QVariant* RowEditBuffer::at( QueryColumnInfo& ci, bool useDefaultValueIfPossible ) const
+{
+ if (!m_dbBuffer) {
+ KexiDBWarn << "RowEditBuffer::at(QueryColumnInfo&): not db-aware buffer!" << endl;
+ return 0;
+ }
+ *m_dbBufferIt = m_dbBuffer->find( &ci );
+ QVariant* result = 0;
+ if (*m_dbBufferIt!=m_dbBuffer->end())
+ result = &(*m_dbBufferIt).data();
+ if ( useDefaultValueIfPossible
+ && (!result || result->isNull())
+ && ci.field && !ci.field->defaultValue().isNull() && KexiDB::isDefaultValueAllowed(ci.field)
+ && !hasDefaultValueAt(ci) )
+ {
+ //no buffered or stored value: try to get a default value declared in a field, so user can modify it
+ if (!result)
+ m_dbBuffer->insert(&ci, ci.field->defaultValue() );
+ result = &(*m_dbBuffer)[ &ci ];
+ m_defaultValuesDbBuffer->insert(&ci, true);
+ }
+ return (const QVariant*)result;
+}
+
+const QVariant* RowEditBuffer::at( Field& f ) const
+{
+ if (!m_simpleBuffer) {
+ KexiDBWarn << "RowEditBuffer::at(Field&): this is db-aware buffer!" << endl;
+ return 0;
+ }
+ *m_simpleBufferIt = m_simpleBuffer->find( f.name() );
+ if (*m_simpleBufferIt==m_simpleBuffer->constEnd())
+ return 0;
+ return &(*m_simpleBufferIt).data();
+}
+
+const QVariant* RowEditBuffer::at( const QString& fname ) const
+{
+ if (!m_simpleBuffer) {
+ KexiDBWarn << "RowEditBuffer::at(Field&): this is db-aware buffer!" << endl;
+ return 0;
+ }
+ *m_simpleBufferIt = m_simpleBuffer->find( fname );
+ if (*m_simpleBufferIt==m_simpleBuffer->constEnd())
+ return 0;
+ return &(*m_simpleBufferIt).data();
+}
+
+void RowEditBuffer::clear() {
+ if (m_dbBuffer) {
+ m_dbBuffer->clear();
+ m_defaultValuesDbBuffer->clear();
+ }
+ if (m_simpleBuffer)
+ m_simpleBuffer->clear();
+}
+
+bool RowEditBuffer::isEmpty() const
+{
+ if (m_dbBuffer)
+ return m_dbBuffer->isEmpty();
+ if (m_simpleBuffer)
+ return m_simpleBuffer->isEmpty();
+ return true;
+}
+
+void RowEditBuffer::debug()
+{
+ if (isDBAware()) {
+ KexiDBDbg << "RowEditBuffer type=DB-AWARE, " << m_dbBuffer->count() <<" items"<< endl;
+ for (DBMap::ConstIterator it = m_dbBuffer->constBegin(); it!=m_dbBuffer->constEnd(); ++it) {
+ KexiDBDbg << "* field name=" <<it.key()->field->name()<<" val="
+ << (it.data().isNull() ? QString("<NULL>") : it.data().toString())
+ << (hasDefaultValueAt(*it.key()) ? " DEFAULT" : "") <<endl;
+ }
+ return;
+ }
+ KexiDBDbg << "RowEditBuffer type=SIMPLE, " << m_simpleBuffer->count() <<" items"<< endl;
+ for (SimpleMap::ConstIterator it = m_simpleBuffer->constBegin(); it!=m_simpleBuffer->constEnd(); ++it) {
+ KexiDBDbg << "* field name=" <<it.key()<<" val="
+ << (it.data().isNull() ? QString("<NULL>") : it.data().toString()) <<endl;
+ }
+}