kexiformeventhandler.cpp

/* This file is part of the KDE project
   Copyright (C) 2005-2006 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 "kexiformeventhandler.h"
 
#include <tqwidget.h>
#include <tqobjectlist.h>
 
#include <kdebug.h>
#include <tdelocale.h>
 
#include <tableview/kexitableitem.h>
#include <tableview/kexitableviewdata.h>
#include <kexidb/queryschema.h>
#include <keximainwindow.h>
#include <kexidialogbase.h>
#include <kexipart.h>
#include <kexipartinfo.h>
#include <kexipartitem.h>
 
KexiFormEventAction::ActionData::ActionData()
{
}
 
bool KexiFormEventAction::ActionData::isEmpty() const
{
    return string.isEmpty();
}
 
KexiPart::Info* KexiFormEventAction::ActionData::decodeString(
    TQString& actionType, TQString& actionArg, bool& ok) const
{
    const int idx = string.find(':');
    ok = false;
    if (idx==-1)
        return 0;
    const TQString _actionType = string.left(idx);
    const TQString _actionArg = string.mid(idx+1);
    if (_actionType.isEmpty() || _actionArg.isEmpty())
        return 0;
    KexiPart::Info *info = 0;
    if (_actionType!="tdeaction" && _actionType!="currentForm") {
        info = Kexi::partManager().infoForMimeType( TQString("kexi/%1").arg(_actionType) );
        if (!info)
            return 0;
    }
    actionType = _actionType;
    actionArg = _actionArg;
    ok = true;
    return info;
}
 
//-------------------------------------
 
KexiFormEventAction::KexiFormEventAction(KexiMainWindow *mainWin, TQObject* parent, 
    const TQString& actionName, const TQString& objectName, const TQString& actionOption)
 : TDEAction(parent), m_mainWin(mainWin), m_actionName(actionName), m_objectName(objectName)
 , m_actionOption(actionOption)
{
}
 
KexiFormEventAction::~KexiFormEventAction()
{
}
 
void KexiFormEventAction::activate()
{
    KexiProject* project = m_mainWin->project();
    if (!project)
        return;
    KexiPart::Part* part = Kexi::partManager().partForMimeType( 
        TQString("kexi/%1").arg(m_actionName) );
    if (!part)
        return;
    KexiPart::Item* item = project->item( part->info(), m_objectName );
    if (!item)
        return;
    bool actionCancelled = false;
    if (m_actionOption.isEmpty()) { // backward compatibility (good defaults)
        if (part->info()->isExecuteSupported())
            part->execute(item, parent());
        else
            m_mainWin->openObject(item, Kexi::DataViewMode, actionCancelled);
    }
    else {
        if (m_actionOption == "open")
            m_mainWin->openObject(item, Kexi::DataViewMode, actionCancelled);
        else if (m_actionOption == "execute")
            part->execute(item, parent());
        else if (m_actionOption == "print") {
            if (part->info()->isPrintingSupported())
                m_mainWin->printItem(item);
        }
        else if (m_actionOption == "printPreview") {
            if (part->info()->isPrintingSupported())
                m_mainWin->printPreviewForItem(item);
        }
        else if (m_actionOption == "pageSetup") {
            if (part->info()->isPrintingSupported())
                m_mainWin->showPageSetupForItem(item);
        }
        else if (m_actionOption == "exportToCSV"
            || m_actionOption == "copyToClipboardAsCSV")
        {
            if (part->info()->isDataExportSupported())
                m_mainWin->executeCustomActionForObject(item, m_actionOption);
        }
        else if (m_actionOption == "new")
            m_mainWin->newObject( part->info(), actionCancelled );
        else if (m_actionOption == "design")
            m_mainWin->openObject(item, Kexi::DesignViewMode, actionCancelled);
        else if (m_actionOption == "editText")
            m_mainWin->openObject(item, Kexi::TextViewMode, actionCancelled);
        else if (m_actionOption == "close") {
            tristate res = m_mainWin->closeObject(item);
            if (~res)
                actionCancelled = true;
        }
    }
}
 
//------------------------------------------
 
KexiFormEventHandler::KexiFormEventHandler()
    : m_mainWidget(0)
{
}
 
KexiFormEventHandler::~KexiFormEventHandler()
{
}
 
void KexiFormEventHandler::setMainWidgetForEventHandling(KexiMainWindow *mainWin, TQWidget* mainWidget)
{
    m_mainWidget = mainWidget;
    if (!m_mainWidget)
        return;
 
    //find widgets whose will work as data items
    TQObjectList *l = m_mainWidget->queryList( "KexiPushButton" );
    TQObjectListIt it( *l );
    TQObject *obj;
    for ( ; (obj = it.current()) != 0; ++it ) {
        bool ok;
        KexiFormEventAction::ActionData data;
        data.string = obj->property("onClickAction").toString();
        data.option = obj->property("onClickActionOption").toString();
        if (data.isEmpty())
            continue;
 
        TQString actionType, actionArg;
        KexiPart::Info* partInfo = data.decodeString(actionType, actionArg, ok);
        if (!ok)
            continue;
        if (actionType=="tdeaction" || actionType=="currentForm") {
            TDEAction *action = mainWin->actionCollection()->action( actionArg.latin1() );
            if (!action)
                continue;
            TQObject::disconnect( obj, TQ_SIGNAL(clicked()), action, TQ_SLOT(activate()) ); //safety
            TQObject::connect( obj, TQ_SIGNAL(clicked()), action, TQ_SLOT(activate()) );
        }
        else if (partInfo) { //'open or execute' action
            KexiFormEventAction* action = new KexiFormEventAction(mainWin, obj, actionType, actionArg, 
                data.option);
            TQObject::disconnect( obj, TQ_SIGNAL(clicked()), action, TQ_SLOT(activate()) );
            TQObject::connect( obj, TQ_SIGNAL(clicked()), action, TQ_SLOT(activate()) );
        }
    }
    delete l;
}