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334 lines
8.3 KiB
334 lines
8.3 KiB
/* This file is part of the KDE project
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Copyright (C) 2005-2006 Jaroslaw Staniek <js@iidea.pl>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "kexidatasourcecombobox.h"
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#include <kdebug.h>
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#include <kiconloader.h>
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#include <tdelistbox.h>
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#include <kexi.h>
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#include <kexiproject.h>
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#include <keximainwindow.h>
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#include <kexipart.h>
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#include <kexipartmanager.h>
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#include <kexipartinfo.h>
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#include <kexipartitem.h>
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#include <kexidb/connection.h>
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#ifdef KEXI_SHOW_UNIMPLEMENTED
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#define ADD_DEFINEQUERY_ROW
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#endif
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//! @internal
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class KexiDataSourceComboBox::Private
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{
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public:
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Private()
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: tablesCount(0)
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, prevIndex(-1)
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, showTables(true)
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, showQueries(true)
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{
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}
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int firstTableIndex() const {
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int index = 1; //skip empty row
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#ifdef ADD_DEFINEQUERY_ROW
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index++; /*skip 'define query' row*/
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#endif
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return index;
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}
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int firstQueryIndex() const {
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return firstTableIndex() + tablesCount;
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}
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TQGuardedPtr<KexiProject> prj;
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TQPixmap tableIcon, queryIcon;
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int tablesCount;
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int prevIndex; //!< Used in slotActivated()
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bool showTables : 1;
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bool showQueries : 1;
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};
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//------------------------
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KexiDataSourceComboBox::KexiDataSourceComboBox(TQWidget *parent, const char *name)
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: KComboBox(true/*rw*/, parent, name)
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, d(new Private())
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{
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setInsertionPolicy(NoInsertion);
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setCompletionMode(TDEGlobalSettings::CompletionPopupAuto);
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setSizeLimit( 16 );
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connect(this, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotActivated(int)));
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connect(this, TQT_SIGNAL(returnPressed(const TQString &)), this, TQT_SLOT(slotReturnPressed(const TQString &)));
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d->tableIcon = SmallIcon("table");
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d->queryIcon = SmallIcon("query");
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}
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KexiDataSourceComboBox::~KexiDataSourceComboBox()
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{
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delete d;
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}
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KexiProject* KexiDataSourceComboBox::project() const
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{
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return d->prj;
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}
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void KexiDataSourceComboBox::setProject(KexiProject *prj, bool showTables, bool showQueries)
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{
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if ((KexiProject*)d->prj == prj)
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return;
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if (d->prj) {
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disconnect(d->prj, 0, this, 0);
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}
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d->prj = prj;
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d->showTables = showTables;
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d->showQueries = showQueries;
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clear();
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d->tablesCount = 0;
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if (!d->prj)
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return;
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//needed for updating contents of the combo box
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connect(d->prj, TQT_SIGNAL(newItemStored(KexiPart::Item&)),
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this, TQT_SLOT(slotNewItemStored(KexiPart::Item&)));
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connect(d->prj, TQT_SIGNAL(itemRemoved(const KexiPart::Item&)),
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this, TQT_SLOT(slotItemRemoved(const KexiPart::Item&)));
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connect(d->prj, TQT_SIGNAL(itemRenamed(const KexiPart::Item&, const TQCString&)),
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this, TQT_SLOT(slotItemRenamed(const KexiPart::Item&, const TQCString&)));
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KexiDB::Connection *conn = d->prj->dbConnection();
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if (!conn)
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return;
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//special item: empty
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insertItem("");
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#ifdef ADD_DEFINEQUERY_ROW
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//special item: define query
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insertItem(i18n("Define Query..."));
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#endif
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TDECompletion *comp = completionObject();
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if (d->showTables) {
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//tables
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KexiPart::Info* partInfo = Kexi::partManager().infoForMimeType("kexi/table");
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if (!partInfo)
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return;
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KexiPart::ItemList list;
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prj->getSortedItems(list, partInfo);
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list.sort();
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d->tablesCount = 0;
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for (KexiPart::ItemListIterator it(list); it.current(); ++it, d->tablesCount++) {
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insertItem(d->tableIcon, it.current()->name()); //or caption()?
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comp->addItem(it.current()->name());
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}
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}
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if (d->showQueries) {
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//queries
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KexiPart::Info* partInfo = Kexi::partManager().infoForMimeType("kexi/query");
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if (!partInfo)
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return;
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KexiPart::ItemList list;
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prj->getSortedItems(list, partInfo);
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list.sort();
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for (KexiPart::ItemListIterator it(list); it.current(); ++it) {
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insertItem(d->queryIcon, it.current()->name()); //or caption()?
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comp->addItem(it.current()->name());
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}
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}
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// setCurrentText("");
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setCurrentItem(0);
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}
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void KexiDataSourceComboBox::setDataSource(const TQString& mimeType, const TQString& name)
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{
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if (name.isEmpty()) {
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clearEdit();
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setCurrentItem(0);
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d->prevIndex = -1;
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emit dataSourceChanged();
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return;
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}
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TQString mt(mimeType);
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if (mimeType.isEmpty())
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mt="kexi/table";
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int i = findItem(mt, name);
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if (i==-1) {
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if (mimeType.isEmpty())
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i = findItem("kexi/query", name);
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if (i==-1) {
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setCurrentItem(0);
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return;
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}
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}
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setCurrentItem(i);
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slotActivated(i);
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}
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void KexiDataSourceComboBox::slotNewItemStored(KexiPart::Item& item)
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{
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TQString name(item.name());
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//insert a new item, maintaining sort order and splitting to tables and queries
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if (item.mimeType()=="kexi/table") {
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int i = 1; /*skip empty row*/
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#ifdef ADD_DEFINEQUERY_ROW
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i++; /*skip 'define query' row*/
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#endif
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for (; i < d->firstQueryIndex() && name>=text(i); i++)
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;
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insertItem(d->tableIcon, name, i);
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completionObject()->addItem(name);
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d->tablesCount++;
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}
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else if (item.mimeType()=="kexi/query") {
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int i;
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for (i=d->firstQueryIndex(); i<count() && name>=text(i); i++)
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;
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insertItem(d->queryIcon, name, i);
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completionObject()->addItem(name);
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}
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}
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int KexiDataSourceComboBox::findItem(const TQString& mimeType, const TQString& name)
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{
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int i, end;
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if (mimeType=="kexi/table") {
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i = 0;
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#ifdef ADD_DEFINEQUERY_ROW
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i++; //skip 'define query'
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#endif
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end = d->firstQueryIndex();
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}
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else if (mimeType=="kexi/query") {
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i = d->firstQueryIndex();
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end = count();
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}
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else
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return -1;
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TQString nameString(name);
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for (; i<end; i++)
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if (text(i)==nameString)
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return i;
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return -1;
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}
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void KexiDataSourceComboBox::slotItemRemoved(const KexiPart::Item& item)
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{
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const int i = findItem(item.mimeType(), item.name());
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if (i==-1)
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return;
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removeItem(i);
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completionObject()->removeItem(item.name());
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if (item.mimeType()=="kexi/table")
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d->tablesCount--;
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#if 0 //disabled because even invalid data source can be set
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if (currentItem()==i) {
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if (i==(count()-1))
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setCurrentItem(i-1);
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else
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setCurrentItem(i);
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}
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#endif
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}
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void KexiDataSourceComboBox::slotItemRenamed(const KexiPart::Item& item, const TQCString& oldName)
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{
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const int i = findItem(item.mimeType(), TQString(oldName));
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if (i==-1)
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return;
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changeItem(item.name(), i);
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completionObject()->removeItem(TQString(oldName));
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completionObject()->addItem(item.name());
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setCurrentText(oldName); //still keep old name
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}
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void KexiDataSourceComboBox::slotActivated( int index )
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{
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if (index >= d->firstTableIndex() && index < count() && d->prevIndex!=currentItem()) {
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d->prevIndex = currentItem();
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emit dataSourceChanged();
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}
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}
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TQString KexiDataSourceComboBox::selectedMimeType() const
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{
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if (selectedName().isEmpty())
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return "";
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const int index = currentItem();
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if (index >= d->firstTableIndex() && index < (int)d->firstQueryIndex())
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return "kexi/table";
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else if (index >= (int)d->firstQueryIndex() && index < count())
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return "kexi/query";
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return "";
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}
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TQString KexiDataSourceComboBox::selectedName() const
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{
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if (isSelectionValid())
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return text(currentItem());
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return currentText();
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}
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bool KexiDataSourceComboBox::isSelectionValid() const
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{
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const int index = currentItem();
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return index >= d->firstTableIndex() && index < count() && text(index)==currentText();
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}
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void KexiDataSourceComboBox::slotReturnPressed(const TQString & text)
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{
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//text is available: select item for this text:
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bool changed = false;
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if (text.isEmpty() && 0!=currentItem()) {
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setCurrentItem(0);
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changed = true;
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}
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else {
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TQListBoxItem *item = listBox()->findItem( text, TQt::ExactMatch );
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if (item) {
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int index = listBox()->index( item );
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//if (index < d->firstTableIndex())
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if (index>=0 && index!=currentItem()) {
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setCurrentItem( index );
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changed = true;
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}
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}
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}
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if (changed)
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emit dataSourceChanged();
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}
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void KexiDataSourceComboBox::focusOutEvent( TQFocusEvent *e )
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{
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KComboBox::focusOutEvent( e );
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slotReturnPressed(currentText());
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}
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#include "kexidatasourcecombobox.moc"
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