openaction.cpp

/***************************************************************************
 * This file is part of the KDE project
 * copyright (C) 2006 by Sebastian Sauer (mail@dipe.org)
 * copyright (C) 2006 by Bernd Steindorff (bernd@itii.de)
 * copyright (C) 2006 by Sascha Kupper (kusato@kfnv.de)
 *
 * 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 "openaction.h"
 
#include <core/kexi.h>
#include <core/kexiproject.h>
#include <core/kexipartmanager.h>
#include <core/kexipartinfo.h>
#include <core/kexipart.h>
#include <core/keximainwindow.h>
 
#include <tdelocale.h>
 
using namespace KexiMacro;
 
namespace KexiMacro {
 
    static const TQString DATAVIEW = "data";
    static const TQString DESIGNVIEW = "design";
    static const TQString TEXTVIEW = "text";
    
    static const TQString OBJECT = "object";
    static const TQString NAME = "name";
    static const TQString VIEW = "view";

    template<class ACTIONIMPL>
    class ViewVariable : public KexiVariable<ACTIONIMPL>
    {
        public:
            ViewVariable(ACTIONIMPL* actionimpl, const TQString& objectname = TQString(), const TQString& viewname = TQString())
                : KexiVariable<ACTIONIMPL>(actionimpl, VIEW, i18n("View"))
            {
                TQStringList namelist;
                KexiPart::Part* part = Kexi::partManager().partForMimeType( TQString("kexi/%1").arg(objectname) );
                if(part) {
                    int viewmodes = part->supportedViewModes();
                    if(viewmodes & Kexi::DataViewMode)
                        namelist << DATAVIEW;
                    if(viewmodes & Kexi::DesignViewMode)
                        namelist << DESIGNVIEW;
                    if(viewmodes & Kexi::TextViewMode)
                        namelist << TEXTVIEW;
                    for(TQStringList::Iterator it = namelist.begin(); it != namelist.end(); ++it)
                        this->children().append( TDESharedPtr<KoMacro::Variable>(new KoMacro::Variable(*it)) );
                }
                const TQString n =
                    namelist.contains(viewname)
                        ? viewname
                        : namelist.count() > 0 ? namelist[0] : "";
 
                this->setVariant(n);
            }
    };
 
}
 
OpenAction::OpenAction()
    : KexiAction("open", i18n("Open"))
{
    const int conditions = ObjectVariable<OpenAction>::VisibleInNav;
    
    TDESharedPtr<KoMacro::Variable> objvar = new ObjectVariable<OpenAction>(this, conditions);
    setVariable(objvar);
 
    setVariable(TDESharedPtr<KoMacro::Variable>( new ObjectNameVariable<OpenAction>(this, objvar->variant().toString()) ));
    setVariable(TDESharedPtr<KoMacro::Variable>( new ViewVariable<OpenAction>(this, objvar->variant().toString()) ));
}
 
OpenAction::~OpenAction()
{
}
 
bool OpenAction::notifyUpdated(TDESharedPtr<KoMacro::MacroItem> macroitem, const TQString& name)
{
    kdDebug()<<"OpenAction::notifyUpdated() name="<<name<<" macroitem.action="<<(macroitem->action() ? macroitem->action()->name() : "NOACTION")<<endl;
    TDESharedPtr<KoMacro::Variable> variable = macroitem->variable(name, false);
    if(! variable) {
        kdWarning()<<"OpenAction::notifyUpdated() No such variable="<<name<<" in macroitem."<<endl;
        return false;
    }
 
    variable->clearChildren();
    if(name == OBJECT) {
        const TQString objectvalue = macroitem->variant(OBJECT, true).toString(); // e.g. "table" or "query"
        const TQString objectname = macroitem->variant(NAME, true).toString(); // e.g. "table1" or "table2" if objectvalue above is "table"
        const TQString viewname = macroitem->variant(VIEW, true).toString(); // "data", "design" or "text"
 
        macroitem->variable(NAME, true)->setChildren(
            KoMacro::Variable::List() << TDESharedPtr<KoMacro::Variable>(new ObjectNameVariable<OpenAction>(this, objectvalue, objectname)) );
        macroitem->variable(VIEW, true)->setChildren(
            KoMacro::Variable::List() << TDESharedPtr<KoMacro::Variable>(new ViewVariable<OpenAction>(this, objectvalue, viewname)) );
    }
 
    return true;
}
 
void OpenAction::activate(TDESharedPtr<KoMacro::Context> context)
{
    if(! mainWin()->project()) {
        throw KoMacro::Exception(i18n("No project loaded."));
    }
 
    const TQString objectname = context->variable(OBJECT)->variant().toString();
    const TQString name = context->variable(NAME)->variant().toString();
    KexiPart::Item* item = mainWin()->project()->itemForMimeType( TQString("kexi/%1").arg(objectname).latin1(), name );
    if(! item) {
        throw KoMacro::Exception(i18n("No such object \"%1.%2\".").arg(objectname).arg(name));
    }
 
    // Determinate the viewmode.
    const TQString view = context->variable(VIEW)->variant().toString();
    int viewmode;
    if(view == DATAVIEW)
        viewmode = Kexi::DataViewMode;
    else if(view == DESIGNVIEW)
        viewmode = Kexi::DesignViewMode;
    else if(view == TEXTVIEW)
        viewmode = Kexi::TextViewMode;
    else {
        throw KoMacro::Exception(i18n("No such viewmode \"%1\" in object \"%2.%3\".").arg(view).arg(objectname).arg(name));
    }
 
    // Try to open the object now.
    bool openingCancelled;
    if(! mainWin()->openObject(item, viewmode, openingCancelled)) {
        if(! openingCancelled) {
            throw KoMacro::Exception(i18n("Failed to open object \"%1.%2\".").arg(objectname).arg(name));
        }
    }
}
 
//#include "openaction.moc"