kexidbutils.cpp

/* This file is part of the KDE project
   Copyright (C) 2006-2007 Jaroslaw Staniek <js@iidea.pl>
 
   This library 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 library 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 library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#include "kexidbutils.h"
 
#include <tdepopupmenu.h>
#include <kiconloader.h>
 
#include <kexidb/queryschema.h>
#include <kexidb/utils.h>
#include <formeditor/widgetlibrary.h>
#include <kexiutils/utils.h>
#include "../kexiformpart.h"
#include <widget/utils/kexicontextmenuutils.h>
 
 
TQColor lighterGrayBackgroundColor(const TQPalette& palette)
{
    return KexiUtils::blendedColors(palette.active().background(), palette.active().base(), 1, 2);
}
 
//-------
 
KexiDBWidgetContextMenuExtender::KexiDBWidgetContextMenuExtender( TQObject* parent, KexiDataItemInterface* iface )
 : TQObject(parent)
 , m_iface(iface)
 , m_contextMenuHasTitle(false)
{
}
 
KexiDBWidgetContextMenuExtender::~KexiDBWidgetContextMenuExtender()
{
}
 
void KexiDBWidgetContextMenuExtender::createTitle(TQPopupMenu *menu)
{
    if (!menu)
        return;
    m_contextMenu = menu;
    TDEPopupTitle *titleItem = new TDEPopupTitle();
    const int id = m_contextMenu->insertItem(titleItem, -1, 0);
    m_contextMenu->setItemEnabled(id, false);
    TQString icon;
    if (dynamic_cast<TQWidget*>(m_iface))
        icon = KexiFormPart::library()->iconName(dynamic_cast<TQWidget*>(m_iface)->className());
 
    m_contextMenuHasTitle = m_iface->columnInfo() ?
        KexiContextMenuUtils::updateTitle(m_contextMenu, 
            m_iface->columnInfo()->captionOrAliasOrName(), 
            KexiDB::simplifiedTypeName(*m_iface->columnInfo()->field), icon)
        : false;
 
    if (!m_contextMenuHasTitle)
        m_contextMenu->removeItem(id);
    updatePopupMenuActions();
}
 
void KexiDBWidgetContextMenuExtender::updatePopupMenuActions()
{
    if (m_contextMenu) {
        enum { IdUndo, IdRedo, IdSep1, IdCut, IdCopy, IdPaste, IdClear, IdSep2, IdSelectAll }; //from qlineedit.h
        const bool readOnly = m_iface->isReadOnly();
        const int id = m_contextMenu->idAt(m_contextMenuHasTitle ? 1 : 0);

        m_contextMenu->removeItem(id-(int)IdRedo);
 
        // update cut/copy/paste
        m_contextMenu->setItemEnabled(id-(int)IdCut, !readOnly);
        m_contextMenu->setItemEnabled(id-(int)IdPaste, !readOnly);
        m_contextMenu->setItemEnabled(id-(int)IdClear, !readOnly);
    }
}
 
//------------------
 
KexiSubwidgetInterface::KexiSubwidgetInterface()
{
}
 
KexiSubwidgetInterface::~KexiSubwidgetInterface()
{
}