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640 lines
17 KiB
640 lines
17 KiB
/* This file is part of the KDE project
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Copyright (C) 2002 Lucijan Busch <lucijan@gmx.at>
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Copyright (C) 2003 Jaroslaw Staniek <js@iidea.pl>
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This program 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 program 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 program; see the file COPYING. 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 <kdebug.h>
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#include <tqstringlist.h>
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#include <tqlayout.h>
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#include <tqlabel.h>
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#include <tqheader.h>
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#include <tqevent.h>
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#include <tqpainter.h>
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#include <tqstyle.h>
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#include <tqlineedit.h>
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#include <tqpopupmenu.h>
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#include <tdelocale.h>
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#include <tdeaction.h>
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#include <tdepopupmenu.h>
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#include <tdeglobalsettings.h>
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#include <tdemessagebox.h>
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#include <kexidb/tableschema.h>
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#include <kexidb/indexschema.h>
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#include <kexidb/utils.h>
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#include "kexirelationview.h"
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#include "kexirelationviewtable.h"
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#include "kexirelationviewconnection.h"
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#include <kexi.h>
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KexiRelationView::KexiRelationView(TQWidget *parent, const char *name)
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: TQScrollView(parent, name, WStaticContents)
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{
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// m_relation=relation;
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// m_relation->incUsageCount();
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m_selectedConnection = 0;
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m_readOnly=false;
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m_focusedTableView = 0;
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setFrameStyle(TQFrame::WinPanel | TQFrame::Sunken);
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// connect(relation, TQT_SIGNAL(relationListUpdated(TQObject *)), this, TQT_SLOT(slotListUpdate(TQObject *)));
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viewport()->setPaletteBackgroundColor(colorGroup().mid());
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setFocusPolicy(TQ_WheelFocus);
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setResizePolicy(Manual);
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/*MOVED TO KexiRelationDialog
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//actions
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m_tableQueryPopup = new TDEPopupMenu(this, "m_popup");
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m_tableQueryPopup->insertTitle(i18n("Table"));
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m_connectionPopup = new TDEPopupMenu(this, "m_connectionPopup");
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m_connectionPopup->insertTitle(i18n("Relation"));
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m_areaPopup = new TDEPopupMenu(this, "m_areaPopup");
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plugSharedAction("edit_delete", i18n("Hide Table"), m_tableQueryPopup);
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plugSharedAction("edit_delete",m_connectionPopup);
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plugSharedAction("edit_delete",this, TQT_SLOT(removeSelectedObject()));
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*/
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#if 0
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m_removeSelectedTableQueryAction = new TDEAction(i18n("&Hide Selected Table/Query"), "edit-delete", "",
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this, TQT_SLOT(removeSelectedTableQuery()), parent->actionCollection(), "relationsview_removeSelectedTableQuery");
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m_removeSelectedConnectionAction = new TDEAction(i18n("&Remove Selected Relationship"), "button_cancel", "",
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this, TQT_SLOT(removeSelectedConnection()), parent->actionCollection(), "relationsview_removeSelectedConnection");
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m_openSelectedTableQueryAction = new TDEAction(i18n("&Open Selected Table/Query"), "", "",
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this, TQT_SLOT(openSelectedTableQuery()), 0/*parent->actionCollection()*/, "relationsview_openSelectedTableQuery");
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#endif
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// invalidateActions();
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#if 0
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m_popup = new TDEPopupMenu(this, "m_popup");
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m_openSelectedTableQueryAction->plug( m_popup );
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m_removeSelectedTableQueryAction->plug( m_popup );
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m_removeSelectedConnectionAction->plug( m_popup );
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invalidateActions();
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#endif
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setSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Expanding, true);
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}
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KexiRelationView::~KexiRelationView()
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{
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}
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/*KexiRelationViewTableContainer*
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KexiRelationView::containerForTable(KexiDB::TableSchema* tableSchema)
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{
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if (!tableSchema)
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return 0;
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for (TablesDictIterator it(m_tables); it.current(); ++it) {
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if (it.current()->schema()->table()==tableSchema)
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return it.current();
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}
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return 0;
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}*/
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KexiRelationViewTableContainer *
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KexiRelationView::tableContainer(KexiDB::TableSchema *t) const
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{
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return t ? m_tables.find(t->name()) : 0;
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}
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KexiRelationViewTableContainer*
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KexiRelationView::addTableContainer(KexiDB::TableSchema *t, const TQRect &rect)
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{
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if(!t)
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return 0;
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kdDebug() << "KexiRelationView::addTable(): " << t->name() << ", " << viewport() << endl;
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KexiRelationViewTableContainer* c = tableContainer(t);
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if (c) {
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kdWarning() << "KexiRelationView::addTable(): table already added" << endl;
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return c;
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}
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c = new KexiRelationViewTableContainer(this,
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/*! @todo what about query? */
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new KexiDB::TableOrQuerySchema(t)
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);
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connect(c, TQT_SIGNAL(endDrag()), this, TQT_SLOT(slotTableViewEndDrag()));
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connect(c, TQT_SIGNAL(gotFocus()), this, TQT_SLOT(slotTableViewGotFocus()));
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// connect(c, TQT_SIGNAL(headerContextMenuRequest(const TQPoint&)),
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// this, TQT_SLOT(tableHeaderContextMenuRequest(const TQPoint&)));
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connect(c, TQT_SIGNAL(contextMenuRequest(const TQPoint&)),
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this, TQT_SIGNAL(tableContextMenuRequest(const TQPoint&)));
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addChild(c, 100,100);
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if (rect.isValid()) {//predefined size
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TQSize finalSize = c->size().expandedTo( c->sizeHint() );
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TQRect r = rect;
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r.setSize( finalSize + TQSize(0,10) );
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moveChild( c, rect.left(), rect.top() );
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//we're doing this instead of setGeometry(rect)
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//because the geomenty might be saved on other system with bigger fonts :)
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c->resize(c->sizeHint());
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// c->setGeometry(r);
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//TODO
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// moveChild( c, rect.left(), rect.top() ); // setGeometry(rect);
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// c->resize( finalSize );
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// c->updateGeometry();
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}
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c->show();
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updateGeometry();
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if (!rect.isValid()) {
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c->updateGeometry();
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c->resize(c->sizeHint());
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}
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int x, y;
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if(m_tables.count() > 0)
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{
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int place = -10;
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TQDictIterator<KexiRelationViewTableContainer> it(m_tables);
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for(; it.current(); ++it)
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{
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int right = (*it)->x() + (*it)->width();
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if(right > place)
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place = right;
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}
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x = place + 30;
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}
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else
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{
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x = 5;
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}
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y = 5;
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TQPoint p = viewportToContents(TQPoint(x, y));
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recalculateSize(p.x() + c->width(), p.y() + c->height());
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if (!rect.isValid()) {
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moveChild(c, x, y);
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}
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m_tables.insert(t->name(), c);
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connect(c, TQT_SIGNAL(moved(KexiRelationViewTableContainer *)), this,
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TQT_SLOT(containerMoved(KexiRelationViewTableContainer *)));
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if (hasFocus()) //ok?
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c->setFocus();
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return c;
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}
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void
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KexiRelationView::addConnection(const SourceConnection& _conn)
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{
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SourceConnection conn = _conn;
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kdDebug() << "KexiRelationView::addConnection()" << endl;
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KexiRelationViewTableContainer *master = m_tables[conn.masterTable];
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KexiRelationViewTableContainer *details = m_tables[conn.detailsTable];
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if (!master || !details)
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return;
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/*! @todo what about query? */
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KexiDB::TableSchema *masterTable = master->schema()->table();
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/*! @todo what about query? */
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KexiDB::TableSchema *detailsTable = details->schema()->table();
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if (!masterTable || !detailsTable)
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return;
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// ok, but we need to know where is the 'master' and where is the 'details' side:
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KexiDB::Field *masterFld = masterTable->field(conn.masterField);
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KexiDB::Field *detailsFld = detailsTable->field(conn.detailsField);
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if (!masterFld || !detailsFld)
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return;
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if (!masterFld->isUniqueKey()) {
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if (detailsFld->isUniqueKey()) {
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//SWAP:
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KexiDB::Field *tmpFld = masterFld;
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masterFld = detailsFld;
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detailsFld = tmpFld;
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KexiDB::TableSchema *tmpTable = masterTable;
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masterTable = detailsTable;
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detailsTable = tmpTable;
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KexiRelationViewTableContainer *tmp = master;
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master = details;
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details = tmp;
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TQString tmp_masterTable = conn.masterTable;
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conn.masterTable = conn.detailsTable;
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conn.detailsTable = tmp_masterTable;
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TQString tmp_masterField = conn.masterField;
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conn.masterField = conn.detailsField;
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conn.detailsField = tmp_masterField;
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}
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}
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// kdDebug() << "KexiRelationView::addConnection(): finalSRC = " << m_tables[conn.srcTable] << endl;
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KexiRelationViewConnection *connView = new KexiRelationViewConnection(master, details, conn, this);
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m_connectionViews.append(connView);
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updateContents(connView->connectionRect());
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/*js: will be moved up to relation/query part as this is only visual class
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KexiDB::TableSchema *mtable = m_conn->tableSchema(conn.srcTable);
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KexiDB::TableSchema *ftable = m_conn->tableSchema(conn.rcvTable);
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KexiDB::IndexSchema *forign = new KexiDB::IndexSchema(ftable);
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forign->addField(mtable->field(conn.srcField));
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new KexiDB::Reference(forign, mtable->primaryKey());
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*/
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#if 0
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if(!interactive)
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{
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kdDebug() << "KexiRelationView::addConnection: adding self" << endl;
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RelationList l = m_relation->projectRelations();
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l.append(conn);
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m_relation->updateRelationList(this, l);
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}
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#endif
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}
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void
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KexiRelationView::drawContents(TQPainter *p, int cx, int cy, int cw, int ch)
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{
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KexiRelationViewConnection *cview;
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// p->translate(0, (double)contentsY());
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TQRect clipping(cx, cy, cw, ch);
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for(cview = m_connectionViews.first(); cview; cview = m_connectionViews.next())
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{
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if(clipping.intersects(cview->oldRect() | cview->connectionRect()))
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cview->drawConnection(p);
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}
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}
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void
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KexiRelationView::slotTableScrolling(const TQString& table)
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{
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KexiRelationViewTableContainer *c = m_tables[table];
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if(c)
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containerMoved(c);
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}
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void
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KexiRelationView::containerMoved(KexiRelationViewTableContainer *c)
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{
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KexiRelationViewConnection *cview;
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TQRect r;
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for (ConnectionListIterator it(m_connectionViews); ((cview=it.current())); ++it) {
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//! @todo optimize
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if(cview->masterTable() == c || cview->detailsTable() == c
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|| cview->connectionRect().intersects(r))
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{
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r |= cview->oldRect();
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kdDebug() << r << endl;
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r |= cview->connectionRect();
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kdDebug() << r << endl;
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}
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// updateContents(cview->oldRect());
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// updateContents(cview->connectionRect());
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// }
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}
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//! @todo optimize!
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//didn't work well: updateContents(r);
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updateContents();
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// TQRect w(c->x() - 5, c->y() - 5, c->width() + 5, c->height() + 5);
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// updateContents(w);
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TQPoint p = viewportToContents(TQPoint(c->x(), c->y()));
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recalculateSize(p.x() + c->width(), p.y() + c->height());
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emit tablePositionChanged(c);
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}
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void
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KexiRelationView::setReadOnly(bool b)
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{
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m_readOnly=b;
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//TODO
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// invalidateActions();
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/* TableList::Iterator it, end( m_tables.end() );
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for ( it=m_tables.begin(); it != end; ++it)
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{
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// (*it)->setReadOnly(b);
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#ifndef TQ_WS_WIN
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#warning readonly needed
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#endif
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}*/
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}
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void
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KexiRelationView::slotListUpdate(TQObject *)
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{
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#if 0
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if(s != this)
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{
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m_connectionViews.clear();
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RelationList rl = m_relation->projectRelations();
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if(!rl.isEmpty())
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{
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RelationList::ConstIterator it, end( rl.constEnd() );
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for( it = rl.begin(); it != end; ++it)
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{
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addConnection((*it), true);
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}
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}
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}
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updateContents();
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#endif
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}
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void
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KexiRelationView::contentsMousePressEvent(TQMouseEvent *ev)
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{
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KexiRelationViewConnection *cview;
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for(cview = m_connectionViews.first(); cview; cview = m_connectionViews.next())
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{
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if(!cview->matchesPoint(ev->pos(), 3))
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continue;
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clearSelection();
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setFocus();
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cview->setSelected(true);
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updateContents(cview->connectionRect());
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m_selectedConnection = cview;
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emit connectionViewGotFocus();
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// invalidateActions();
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if(ev->button() == Qt::RightButton) {//show popup
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kdDebug() << "KexiRelationView::contentsMousePressEvent(): context" << endl;
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// TQPopupMenu m;
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// m_removeSelectedTableQueryAction->plug( &m );
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// m_removeSelectedConnectionAction->plug( &m );
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emit connectionContextMenuRequest( ev->globalPos() );
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// executePopup( ev->globalPos() );
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}
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return;
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}
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//connection not found
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clearSelection();
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// invalidateActions();
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if(ev->button() == Qt::RightButton) {//show popup on view background area
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// TQPopupMenu m;
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// m_removeSelectedConnectionAction->plug( &m );
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emit emptyAreaContextMenuRequest( ev->globalPos() );
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// executePopup(ev->globalPos());
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}
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else {
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emit emptyAreaGotFocus();
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}
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setFocus();
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// TQScrollView::contentsMousePressEvent(ev);
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}
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void KexiRelationView::clearSelection()
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{
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if (m_focusedTableView) {
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m_focusedTableView->unsetFocus();
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m_focusedTableView = 0;
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// setFocus();
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// invalidateActions();
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}
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if (m_selectedConnection) {
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m_selectedConnection->setSelected(false);
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updateContents(m_selectedConnection->connectionRect());
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m_selectedConnection = 0;
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// invalidateActions();
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}
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}
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void
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KexiRelationView::keyPressEvent(TQKeyEvent *ev)
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{
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kdDebug() << "KexiRelationView::keyPressEvent()" << endl;
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if (ev->key()==TDEGlobalSettings::contextMenuKey()) {
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if (m_selectedConnection) {
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emit connectionContextMenuRequest(
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mapToGlobal(m_selectedConnection->connectionRect().center()) );
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}
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// m_popup->exec( mapToGlobal( m_focusedTableView ? m_focusedTableView->pos() + m_focusedTableView->rect().center() : rect().center() ) );
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// executePopup();
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}
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else {
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if(ev->key() == Key_Delete)
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removeSelectedObject();
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}
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}
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void
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KexiRelationView::recalculateSize(int width, int height)
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{
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kdDebug() << "recalculateSize(" << width << ", " << height << ")" << endl;
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int newW = contentsWidth(), newH = contentsHeight();
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kdDebug() << "contentsSize(" << newW << ", " << newH << ")" << endl;
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if(newW < width)
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newW = width;
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if(newH < height)
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newH = height;
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resizeContents(newW, newH);
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}
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/*! Resizes contents to size exactly enough to fit tableViews.
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Executed on every tableView's drop event.
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*/
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void
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KexiRelationView::stretchExpandSize()
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{
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int max_x=-1, max_y=-1;
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TQDictIterator<KexiRelationViewTableContainer> it(m_tables);
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for (;it.current(); ++it) {
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if (it.current()->right()>max_x)
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max_x = it.current()->right();
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if (it.current()->bottom()>max_y)
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max_y = it.current()->bottom();
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}
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TQPoint p = viewportToContents(TQPoint(max_x, max_y) + TQPoint(3,3)); //3 pixels margin
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resizeContents(p.x(), p.y());
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}
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void KexiRelationView::slotTableViewEndDrag()
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{
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kdDebug() << "END DRAG!" <<endl;
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stretchExpandSize();
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}
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void
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KexiRelationView::removeSelectedObject()
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{
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if (m_selectedConnection) {
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removeConnection(m_selectedConnection);
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#if 0
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RelationList l = m_relation->projectRelations();
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RelationList nl;
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for(RelationList::Iterator it = l.begin(); it != l.end(); ++it)
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{
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if((*it).srcTable == m_selectedConnection->connection().srcTable
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&& (*it).rcvTable == m_selectedConnection->connection().rcvTable
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&& (*it).srcField == m_selectedConnection->connection().srcField
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&& (*it).rcvField == m_selectedConnection->connection().rcvField)
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{
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|
kdDebug() << "KexiRelationView::removeSelectedConnection(): matching found!" << endl;
|
|
// l.remove(it);
|
|
}
|
|
else
|
|
{
|
|
nl.append(*it);
|
|
}
|
|
}
|
|
|
|
kdDebug() << "KexiRelationView::removeSelectedConnection(): d2" << endl;
|
|
m_relation->updateRelationList(this, nl);
|
|
kdDebug() << "KexiRelationView::removeSelectedConnection(): d3" << endl;
|
|
#endif
|
|
delete m_selectedConnection;
|
|
m_selectedConnection = 0;
|
|
// invalidateActions();
|
|
}
|
|
else if (m_focusedTableView) {
|
|
KexiRelationViewTableContainer *tmp = m_focusedTableView;
|
|
m_focusedTableView = 0;
|
|
hideTable(tmp);
|
|
}
|
|
}
|
|
|
|
void
|
|
KexiRelationView::hideTable(KexiRelationViewTableContainer* tableView)
|
|
{
|
|
/*! @todo what about query? */
|
|
KexiDB::TableSchema *ts = tableView->schema()->table();
|
|
//for all connections: find and remove all connected with this table
|
|
TQPtrListIterator<KexiRelationViewConnection> it(m_connectionViews);
|
|
for (;it.current();) {
|
|
if (it.current()->masterTable() == tableView
|
|
|| it.current()->detailsTable() == tableView)
|
|
{
|
|
//remove this
|
|
removeConnection(it.current());
|
|
}
|
|
else {
|
|
++it;
|
|
}
|
|
}
|
|
m_tables.take(tableView->schema()->name());
|
|
delete tableView;
|
|
emit tableHidden( *ts );
|
|
}
|
|
|
|
void
|
|
KexiRelationView::hideAllTablesExcept( KexiDB::TableSchema::List* tables )
|
|
{
|
|
//! @todo what about queries?
|
|
for (TablesDictIterator it(m_tables); it.current();) {
|
|
KexiDB::TableSchema *table = it.current()->schema()->table();
|
|
if (!table || tables->findRef( table )!=-1) {
|
|
++it;
|
|
continue;
|
|
}
|
|
hideTable(it.current());
|
|
}
|
|
}
|
|
|
|
void
|
|
KexiRelationView::removeConnection(KexiRelationViewConnection *conn)
|
|
{
|
|
emit aboutConnectionRemove(conn);
|
|
m_connectionViews.remove(conn);
|
|
updateContents(conn->connectionRect());
|
|
kdDebug() << "KexiRelationView::removeConnection()" << endl;
|
|
}
|
|
|
|
void KexiRelationView::slotTableViewGotFocus()
|
|
{
|
|
if (m_focusedTableView == sender())
|
|
return;
|
|
kdDebug() << "GOT FOCUS!" <<endl;
|
|
clearSelection();
|
|
// if (m_focusedTableView)
|
|
// m_focusedTableView->unsetFocus();
|
|
m_focusedTableView = (KexiRelationViewTableContainer*)sender();
|
|
// invalidateActions();
|
|
emit tableViewGotFocus();
|
|
}
|
|
|
|
TQSize KexiRelationView::sizeHint() const
|
|
{
|
|
return TQSize(TQScrollView::sizeHint());//.width(), 600);
|
|
}
|
|
|
|
void KexiRelationView::clear()
|
|
{
|
|
removeAllConnections();
|
|
m_tables.setAutoDelete(true);
|
|
m_tables.clear();
|
|
m_tables.setAutoDelete(false);
|
|
updateContents();
|
|
}
|
|
|
|
void KexiRelationView::removeAllConnections()
|
|
{
|
|
clearSelection(); //sanity
|
|
m_connectionViews.setAutoDelete(true);
|
|
m_connectionViews.clear();
|
|
m_connectionViews.setAutoDelete(false);
|
|
updateContents();
|
|
}
|
|
|
|
/*
|
|
|
|
void KexiRelationView::tableHeaderContextMenuRequest(const TQPoint& pos)
|
|
{
|
|
if (m_focusedTableView != sender())
|
|
return;
|
|
kdDebug() << "HEADER CTXT MENU!" <<endl;
|
|
invalidateActions();
|
|
m_tableQueryPopup->exec(pos);
|
|
}
|
|
|
|
//! Invalidates all actions availability
|
|
void KexiRelationView::invalidateActions()
|
|
{
|
|
setAvailable("edit_delete", m_selectedConnection || m_focusedTableView);
|
|
}
|
|
|
|
void KexiRelationView::executePopup( TQPoint pos )
|
|
{
|
|
if (pos==TQPoint(-1,-1)) {
|
|
pos = mapToGlobal( m_focusedTableView ? m_focusedTableView->pos() + m_focusedTableView->rect().center() : rect().center() );
|
|
}
|
|
if (m_focusedTableView)
|
|
m_tableQueryPopup->exec(pos);
|
|
else if (m_selectedConnection)
|
|
m_connectionPopup->exec(pos);
|
|
}
|
|
*/
|
|
|
|
#include "kexirelationview.moc"
|