kexibooltableedit.cpp

/* This file is part of the KDE project
   Copyright (C) 2004 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 "kexibooltableedit.h"
 
#include <kexidb/field.h>
 
#include <tqpainter.h>
#include <tqapplication.h>
#include <tqclipboard.h>
 
#include <tdeglobal.h>
#include <tdelocale.h>
#include <kdebug.h>
#include <tdeglobalsettings.h>
 
 
KexiBoolTableEdit::KexiBoolTableEdit(KexiTableViewColumn &column, TQWidget *parent)
 : KexiTableEdit(column, parent)
{
    setName("KexiBoolTableEdit");
    kdDebug() << "KexiBoolTableEdit: m_origValue.typeName()==" << m_origValue.typeName() << endl;
    kdDebug() << "KexiBoolTableEdit: type== " << field()->typeName() << endl;
    m_hasFocusableWidget = false;
    m_acceptEditorAfterDeleteContents = true;
    m_usesSelectedTextColor = false;
}
 
KexiBoolTableEdit::~KexiBoolTableEdit()
{
}
 
void KexiBoolTableEdit::setValueInternal(const TQVariant& /*add*/, bool /*removeOld*/)
{
    m_currentValue = m_origValue;
    //nothing to do more...
}
 
bool KexiBoolTableEdit::valueIsNull()
{
    return m_currentValue.isNull();
}
 
bool KexiBoolTableEdit::valueIsEmpty()
{
    return m_currentValue.isNull();
}
 
TQVariant KexiBoolTableEdit::value()
{
//  ok = true;
    return m_currentValue;
}
 
void KexiBoolTableEdit::clear()
{
    if (field()->isNotNull())
        m_currentValue = TQVariant(false);
    else
        m_currentValue = TQVariant();
}
 
bool KexiBoolTableEdit::cursorAtStart()
{
    return true;
}
 
bool KexiBoolTableEdit::cursorAtEnd()
{
    return true;
}
 
void KexiBoolTableEdit::setupContents( TQPainter *p, bool focused, const TQVariant& val, 
    TQString &txt, int &align, int &x, int &y_offset, int &w, int &h  )
{
    Q_UNUSED(focused);
    Q_UNUSED(txt);
    Q_UNUSED(align);
    Q_UNUSED(x);
#ifdef TQ_WS_WIN
//  x = 1;
    y_offset = -1;
#else
//  x = 1;
    y_offset = 0;
#endif
    if (p) {
        int s = TQMAX(h - 5, 12);
        s = TQMIN( h-3, s );
        s = TQMIN( w-3, s );//avoid too large box
        TQRect r( TQMAX( w/2 - s/2, 0 ) , h/2 - s/2 /*- 1*/, s, s);
//already set ouotside:     p->setPen(TQPen(colorGroup().text(), 1));
        p->drawRect(r);
        if (val.isNull()) { // && !field()->isNotNull()) {
            p->drawText( r, TQt::AlignCenter, "?" );
        }
        else if (val.toBool()) {
            p->drawLine(r.x(), r.y(), r.right(), r.bottom());
            p->drawLine(r.x(), r.bottom(), r.right(), r.y());
        }
    }
}
 
void KexiBoolTableEdit::clickedOnContents()
{
    if (field()->isNotNull())
        m_currentValue = TQVariant( !m_currentValue.toBool() );
    else {
        // null allowed: use the cycle: true -> false -> null
        if (m_currentValue.isNull())
            m_currentValue = TQVariant( true );
        else
            m_currentValue = m_currentValue.toBool() ? TQVariant( false ) : TQVariant();
    }
}
 
void KexiBoolTableEdit::handleAction(const TQString& actionName)
{
    if (actionName=="edit_paste") {
        emit editRequested();
        bool ok;
        const int value = tqApp->clipboard()->text( TQClipboard::Clipboard ).toInt(&ok);
        if (ok) {
            m_currentValue = (value==0) ? TQVariant(false) : TQVariant(true);
        }
        else {
            m_currentValue = field()->isNotNull() 
                ? TQVariant(false) : TQVariant();
        }
        repaintRelatedCell();
    }
    else if (actionName=="edit_cut") {
        emit editRequested();
        m_currentValue = field()->isNotNull() 
            ? TQVariant(false) : TQVariant();
        handleCopyAction(m_origValue, TQVariant());
        repaintRelatedCell();
    }
}
 
void KexiBoolTableEdit::handleCopyAction(const TQVariant& value, const TQVariant& visibleValue)
{
    Q_UNUSED(visibleValue);
    if (value.type()==TQVariant::Bool)
        tqApp->clipboard()->setText(value.toBool() ? "1" : "0");
    else
        tqApp->clipboard()->setText(TQString());
}
 
int KexiBoolTableEdit::widthForValue( TQVariant &val, const TQFontMetrics &fm )
{
    Q_UNUSED(fm);
    return val.toPixmap().width();
}
 
//======================================================
 
KEXI_CELLEDITOR_FACTORY_ITEM_IMPL(KexiBoolEditorFactoryItem, KexiBoolTableEdit)
 
#include "kexibooltableedit.moc"