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koffice/kexi/widget/kexifieldlistview.cpp

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/* This file is part of the KDE project
Copyright (C) 2003-2005 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 "kexifieldlistview.h"
#include <tqheader.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <tqcursor.h>
#include <tqpoint.h>
#include <tqapplication.h>
#include <tqbitmap.h>
#include <tqstyle.h>
#include <kdebug.h>
#include <kiconloader.h>
#include <tdeversion.h>
#include <tdeconfig.h>
#include <tdeglobalsettings.h>
#include <tdelocale.h>
#include <kexidb/tableschema.h>
#include <kexidb/queryschema.h>
#include <kexidb/utils.h>
#include <kexidragobjects.h>
#include <kexiutils/utils.h>
KexiFieldListView::KexiFieldListView(TQWidget *parent, const char *name, int options)
: TDEListView(parent, name)
, m_schema(0)
, m_keyIcon(SmallIcon("key"))
, m_noIcon(KexiUtils::emptyIcon(TDEIcon::Small))
, m_options(options)
, m_allColumnsItem(0)
{
setAcceptDrops(true);
viewport()->setAcceptDrops(true);
setDropVisualizer(false);
setDropHighlighter(true);
setAllColumnsShowFocus(true);
addColumn(i18n("Field Name"));
if (m_options & ShowDataTypes)
addColumn(i18n("Data Type"));
if (m_options & AllowMultiSelection)
setSelectionMode(TQListView::Extended);
setResizeMode(TQListView::LastColumn);
// header()->hide();
setSorting(-1, true); // disable sorting
setDragEnabled(true);
connect(this, TQ_SIGNAL(doubleClicked(TQListViewItem*, const TQPoint &, int)),
this, TQ_SLOT(slotDoubleClicked(TQListViewItem*)));
}
KexiFieldListView::~KexiFieldListView()
{
delete m_schema;
}
void KexiFieldListView::setSchema(KexiDB::TableOrQuerySchema* schema)
{
if (schema && m_schema == schema)
return;
m_allColumnsItem = 0;
clear();
delete m_schema;
m_schema = schema;
if (!m_schema)
return;
int order=0;
bool hasPKeys = true; //t->hasPrimaryKeys();
TDEListViewItem *item = 0;
KexiDB::QueryColumnInfo::Vector columns = m_schema->columns(true /*unique*/);
const int count = columns.count();
for(int i=-1; i < count; i++)
{
KexiDB::QueryColumnInfo *colinfo = 0;
if (i==-1) {
if (! (m_options & ShowAsterisk))
continue;
item = new TDEListViewItem(this, item, i18n("* (All Columns)"));
m_allColumnsItem = item;
}
else {
colinfo = columns[i];
item = new TDEListViewItem(this, item, colinfo->aliasOrName());
if (m_options & ShowDataTypes)
item->setText(1, colinfo->field->typeName());
}
if(colinfo && (colinfo->field->isPrimaryKey() || colinfo->field->isUniqueKey()))
item->setPixmap(0, m_keyIcon);
else if (hasPKeys) {
item->setPixmap(0, m_noIcon);
}
order++;
}
setCurrentItem(firstChild());
}
#if 0
TQSize KexiFieldListView::sizeHint()
{
TQFontMetrics fm(font());
kdDebug() << m_table->name() << " cw=" << columnWidth(1) + fm.width("i") << ", " << fm.width(m_table->name()+" ") << endl;
TQSize s(
TQMAX( columnWidth(1) + fm.width("i"), fm.width(m_table->name()+" ")),
childCount()*firstChild()->totalHeight() + 4 );
// TQSize s( columnWidth(1), childCount()*firstChild()->totalHeight() + 3*firstChild()->totalHeight()/10);
return s;
}
void KexiFieldListView::setReadOnly(bool b)
{
setAcceptDrops(!b);
viewport()->setAcceptDrops(!b);
}
#endif
TQDragObject* KexiFieldListView::dragObject()
{
if (!schema())
return 0;
const TQStringList selectedFields( selectedFieldNames() );
return new KexiFieldDrag(m_schema->table() ? "kexi/table" : "kexi/query",
m_schema->name(), selectedFields, this, "KexiFieldDrag");
/* if (selectedItem()) {
KexiFieldDrag *drag = new KexiFieldDrag("kexi/table", m_schema->name(),
selectedItem()->text(1), this, "KexiFieldDrag");
return drag;
}*/
}
TQStringList KexiFieldListView::selectedFieldNames() const
{
if (!schema())
return TQStringList();
TQStringList selectedFields;
for (TQListViewItem *item = firstChild(); item; item = item->nextSibling()) {
if (item->isSelected()) {
//! @todo what about query fields/aliases? it.current()->text(0) can be not enough
if (item == m_allColumnsItem && m_allColumnsItem)
selectedFields.append("*");
else
selectedFields.append(item->text(0));
}
}
return selectedFields;
}
void KexiFieldListView::slotDoubleClicked(TQListViewItem* item)
{
if (schema() && item) {
//! @todo what about query fields/aliases? it.current()->text(0) can be not enough
emit fieldDoubleClicked(schema()->table() ? "kexi/table" : "kexi/query",
schema()->name(), item->text(0));
}
}
#include "kexifieldlistview.moc"