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, 373 insertions, 0 deletions

diff --git a/kexi/widget/tableview/kexicomboboxpopup.cpp b/kexi/widget/tableview/kexicomboboxpopup.cpp
new file mode 100644
index 00000000..5cd65d0d
--- /dev/null
+++ b/kexi/widget/tableview/kexicomboboxpopup.cpp
@@ -0,0 +1,373 @@
+/* This file is part of the KDE project
+   Copyright (C) 2004-2007 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 "kexicomboboxpopup.h"
+
+#include "kexidatatableview.h"
+#include "kexitableview_p.h"
+#include "kexitableitem.h"
+#include "kexitableedit.h"
+
+#include <kexidb/lookupfieldschema.h>
+#include <kexidb/expression.h>
+#include <kexidb/parser/sqlparser.h>
+
+#include <kdebug.h>
+
+#include <qlayout.h>
+#include <qevent.h>
+
+/*! @internal
+ Helper for KexiComboBoxPopup. */
+class KexiComboBoxPopup_KexiTableView : public KexiDataTableView
+{
+	public:
+		KexiComboBoxPopup_KexiTableView(QWidget* parent=0)
+		 : KexiDataTableView(parent, "KexiComboBoxPopup_tv")
+		{
+			init();
+		}
+		void init()
+		{
+			setReadOnly( true );
+			setLineWidth( 0 );
+			d->moveCursorOnMouseRelease = true;
+			KexiTableView::Appearance a(appearance());
+			a.navigatorEnabled = false;
+//! @todo add option for backgroundAltering??
+			a.backgroundAltering = false;
+			a.fullRowSelection = true;
+			a.rowHighlightingEnabled = true;
+			a.rowMouseOverHighlightingEnabled = true;
+			a.persistentSelections = false;
+			a.rowMouseOverHighlightingColor = colorGroup().highlight();
+			a.rowMouseOverHighlightingTextColor = colorGroup().highlightedText();
+			a.rowHighlightingTextColor = a.rowMouseOverHighlightingTextColor;
+			a.gridEnabled = false;
+			setAppearance(a);
+			setInsertingEnabled( false );
+			setSortingEnabled( false );
+			setVerticalHeaderVisible( false );
+			setHorizontalHeaderVisible( false );
+			setContextMenuEnabled( false );
+			setScrollbarToolTipsEnabled( false );
+			installEventFilter(this);
+			setBottomMarginInternal( - horizontalScrollBar()->sizeHint().height() );
+		}
+		virtual void setData( KexiTableViewData *data, bool owner = true )
+			{ KexiTableView::setData( data, owner ); }
+		bool setData(KexiDB::Cursor *cursor)
+	{ return KexiDataTableView::setData( cursor ); }
+};
+
+//========================================
+
+//! @internal
+class KexiComboBoxPopupPrivate
+{
+	public:
+		KexiComboBoxPopupPrivate() 
+		 : int_f(0)
+		 , privateQuery(0)
+		{
+			max_rows = KexiComboBoxPopup::defaultMaxRows;
+		}
+		~KexiComboBoxPopupPrivate() {
+			delete int_f;
+			delete privateQuery;
+		}
+		
+		KexiComboBoxPopup_KexiTableView *tv;
+		KexiDB::Field *int_f; //TODO: remove this -temporary
+		KexiDB::QuerySchema* privateQuery;
+		int max_rows;
+};
+
+//========================================
+
+const int KexiComboBoxPopup::defaultMaxRows = 8;
+
+KexiComboBoxPopup::KexiComboBoxPopup(QWidget* parent, KexiTableViewColumn &column)
+ : QFrame( parent, "KexiComboBoxPopup", WType_Popup )
+{
+	init();
+	//setup tv data
+	setData(&column, 0);
+}
+
+KexiComboBoxPopup::KexiComboBoxPopup(QWidget* parent, KexiDB::Field &field)
+ : QFrame( parent, "KexiComboBoxPopup", WType_Popup )
+{
+	init();
+	//setup tv data
+	setData(0, &field);
+}
+
+KexiComboBoxPopup::~KexiComboBoxPopup()
+{
+	delete d;
+}
+
+void KexiComboBoxPopup::init()
+{
+	d = new KexiComboBoxPopupPrivate();
+	setPaletteBackgroundColor(palette().color(QPalette::Active,QColorGroup::Base));
+	setLineWidth( 1 );
+	setFrameStyle( Box | Plain );
+	
+	d->tv = new KexiComboBoxPopup_KexiTableView(this);
+	installEventFilter(this);
+	
+	connect(d->tv, SIGNAL(itemReturnPressed(KexiTableItem*,int,int)),
+		this, SLOT(slotTVItemAccepted(KexiTableItem*,int,int)));
+
+	connect(d->tv, SIGNAL(itemMouseReleased(KexiTableItem*,int,int)),
+		this, SLOT(slotTVItemAccepted(KexiTableItem*,int,int)));
+
+	connect(d->tv, SIGNAL(itemDblClicked(KexiTableItem*,int,int)),
+		this, SLOT(slotTVItemAccepted(KexiTableItem*,int,int)));
+}
+
+void KexiComboBoxPopup::setData(KexiTableViewColumn *column, KexiDB::Field *field)
+{
+	if (column && !field)
+		field = column->field();
+	if (!field) {
+		kexiwarn << "KexiComboBoxPopup::setData(): !field" << endl;
+		return;
+	}
+
+	// case 1: simple related data
+	if (column && column->relatedData()) {
+		d->tv->setColumnStretchEnabled( true, -1 ); //only needed when using single column
+		setDataInternal( column->relatedData(), false /*!owner*/ );
+		return;
+	}
+	// case 2: lookup field
+	KexiDB::LookupFieldSchema *lookupFieldSchema = 0;
+	if (field->table())
+		lookupFieldSchema = field->table()->lookupFieldSchema( *field );
+	delete d->privateQuery;
+	d->privateQuery = 0;
+	if (lookupFieldSchema) {
+		const QValueList<uint> visibleColumns( lookupFieldSchema->visibleColumns() );
+		const bool multipleLookupColumnJoined = visibleColumns.count() > 1;
+//! @todo support more RowSourceType's, not only table and query
+		KexiDB::Cursor *cursor = 0;
+		switch (lookupFieldSchema->rowSource().type()) {
+		case KexiDB::LookupFieldSchema::RowSource::Table: {
+			KexiDB::TableSchema *lookupTable 
+				= field->table()->connection()->tableSchema( lookupFieldSchema->rowSource().name() );
+			if (!lookupTable)
+//! @todo errmsg
+				return;
+			if (multipleLookupColumnJoined) {
+				kdDebug() << "--- Orig query: " << endl;
+				lookupTable->query()->debug();
+				d->privateQuery = new KexiDB::QuerySchema(*lookupTable->query());
+			}
+			else {
+				cursor = field->table()->connection()->prepareQuery( *lookupTable );
+			}
+			break;
+		}
+		case KexiDB::LookupFieldSchema::RowSource::Query: {
+			KexiDB::QuerySchema *lookupQuery 
+				= field->table()->connection()->querySchema( lookupFieldSchema->rowSource().name() );
+			if (!lookupQuery)
+//! @todo errmsg
+				return;
+			if (multipleLookupColumnJoined) {
+				kdDebug() << "--- Orig query: " << endl;
+				lookupQuery->debug();
+				d->privateQuery = new KexiDB::QuerySchema(*lookupQuery);
+			}
+			else {
+				cursor = field->table()->connection()->prepareQuery( *lookupQuery );
+			}
+			break;
+		}
+		default:;
+		}
+		if (d->privateQuery) {
+			// append column computed using multiple columns
+			const KexiDB::QueryColumnInfo::Vector fieldsExpanded( d->privateQuery->fieldsExpanded() );
+			uint fieldsExpandedSize( fieldsExpanded.size() );
+			KexiDB::BaseExpr *expr = 0;
+			int count = visibleColumns.count();
+			for (QValueList<uint>::ConstIterator it( visibleColumns.at(count-1) ); count>0; count--, --it) {
+				KexiDB::QueryColumnInfo *ci = ((*it) < fieldsExpandedSize) ? fieldsExpanded.at( *it ) : 0;
+				if (!ci) {
+					kdWarning() << "KexiComboBoxPopup::setData(): " << *it << " >= fieldsExpandedSize" << endl;
+					continue;
+				}
+				KexiDB::VariableExpr *fieldExpr
+					= new KexiDB::VariableExpr( ci->field->table()->name()+"."+ci->field->name() );
+				fieldExpr->field = ci->field;
+				fieldExpr->tablePositionForField = d->privateQuery->tableBoundToColumn( *it );
+				if (expr) {
+//! @todo " " separator hardcoded...
+//! @todo use SQL sub-parser here...
+					KexiDB::ConstExpr *constExpr = new KexiDB::ConstExpr(CHARACTER_STRING_LITERAL, " ");
+					expr = new KexiDB::BinaryExpr(KexiDBExpr_Arithm, constExpr, CONCATENATION, expr);
+					expr = new KexiDB::BinaryExpr(KexiDBExpr_Arithm, fieldExpr, CONCATENATION, expr);
+				}
+				else
+					expr = fieldExpr;
+			}
+			expr->debug();
+			kdDebug() << expr->toString() << endl;
+
+			KexiDB::Field *f = new KexiDB::Field();
+			f->setExpression( expr );
+			d->privateQuery->addField( f );
+#if 0 //does not work yet
+// <remove later>
+//! @todo temp: improved display by hiding all columns except the computed one
+			const int numColumntoHide = d->privateQuery->fieldsExpanded().count() - 1;
+			for (int i=0; i < numColumntoHide; i++)
+				d->privateQuery->setColumnVisible(i, false);
+// </remove later>
+#endif
+//todo...
+			kdDebug() << "--- Private query: " << endl;
+			d->privateQuery->debug();
+			cursor = field->table()->connection()->prepareQuery( *d->privateQuery );
+		}
+		if (!cursor)
+//! @todo errmsg
+			return;
+
+		if (d->tv->data())
+			d->tv->data()->disconnect( this );
+		d->tv->setData( cursor );
+
+		connect( d->tv, SIGNAL(dataRefreshed()), this, SLOT(slotDataReloadRequested()));
+		updateSize();
+		return;
+	}
+	
+	kdWarning() << "KexiComboBoxPopup::setData(KexiTableViewColumn &): no column relatedData \n - moving to setData(KexiDB::Field &)" << endl;
+
+	// case 3: enum hints
+	d->tv->setColumnStretchEnabled( true, -1 ); //only needed when using single column
+
+//! @todo THIS IS PRIMITIVE: we'd need to employ KexiDB::Reference here!
+	d->int_f = new KexiDB::Field(field->name(), KexiDB::Field::Text);
+	KexiTableViewData *data = new KexiTableViewData();
+	data->addColumn( new KexiTableViewColumn( *d->int_f ) );
+	QValueVector<QString> hints = field->enumHints();
+	for(uint i=0; i < hints.size(); i++) {
+		KexiTableItem *item = data->createItem();//new KexiTableItem(1);
+		(*item)[0]=QVariant(hints[i]);
+		kdDebug() << "added: '" << hints[i] <<"'"<<endl;
+		data->append( item );
+	}
+	setDataInternal( data, true );
+}
+
+void KexiComboBoxPopup::setDataInternal( KexiTableViewData *data, bool owner )
+{
+	if (d->tv->data())
+		d->tv->data()->disconnect( this );
+	d->tv->setData( data, owner );
+	connect( d->tv, SIGNAL(dataRefreshed()), this, SLOT(slotDataReloadRequested()));
+
+	updateSize();
+}
+
+void KexiComboBoxPopup::updateSize(int minWidth)
+{
+	const int rows = QMIN( d->max_rows, d->tv->rows() );
+
+	d->tv->adjustColumnWidthToContents(-1);
+
+	KexiTableEdit *te = dynamic_cast<KexiTableEdit*>(parentWidget());
+	const int width = QMAX( d->tv->tableSize().width(), 
+		(te ? te->totalSize().width() : (parentWidget()?parentWidget()->width():0/*sanity*/)) );
+	kexidbg << "KexiComboBoxPopup::updateSize(): size=" << size() << endl;
+	resize( QMAX(minWidth, width)/*+(d->tv->columns()>1?2:0)*/ /*(d->updateSizeCalled?0:1)*/, d->tv->rowHeight() * rows +2 );
+	kexidbg << "KexiComboBoxPopup::updateSize(): size after=" << size() << endl;
+
+	//stretch the last column
+	d->tv->setColumnStretchEnabled(true, d->tv->columns()-1);
+}
+
+KexiTableView* KexiComboBoxPopup::tableView()
+{
+	return d->tv;
+}
+
+void KexiComboBoxPopup::resize( int w, int h )
+{
+	d->tv->horizontalScrollBar()->hide();
+	d->tv->verticalScrollBar()->hide();
+	d->tv->move(1,1);
+	d->tv->resize( w-2, h-2 );
+	QFrame::resize(w,h);
+	update();
+	updateGeometry();
+}
+
+void KexiComboBoxPopup::setMaxRows(int r)
+{
+	d->max_rows = r;
+}
+
+int KexiComboBoxPopup::maxRows() const
+{
+	return d->max_rows;
+}
+
+void KexiComboBoxPopup::slotTVItemAccepted(KexiTableItem *item, int row, int)
+{
+	hide();
+	emit rowAccepted(item, row);
+}
+
+bool KexiComboBoxPopup::eventFilter( QObject *o, QEvent *e )
+{
+	if (o==this && e->type()==QEvent::Hide) {
+		emit hidden();
+	}
+	else if (e->type()==QEvent::MouseButtonPress) {
+		kdDebug() << "QEvent::MousePress" << endl;
+	}
+	else if (o==d->tv) {
+		if (e->type()==QEvent::KeyPress) {
+			QKeyEvent *ke = static_cast<QKeyEvent*>(e);
+			const int k = ke->key();
+			if ((ke->state()==NoButton && (k==Key_Escape || k==Key_F4))
+				|| (ke->state()==AltButton && k==Key_Up))
+			{
+				hide();
+				emit cancelled();
+				return true;
+			}
+		}
+	}
+	return QFrame::eventFilter( o, e );
+}
+
+void KexiComboBoxPopup::slotDataReloadRequested()
+{
+	updateSize();
+}
+
+#include "kexicomboboxpopup.moc"