KexiProjectSelector.cpp

/* This file is part of the KDE project
   Copyright (C) 2003 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 "KexiProjectSelector.h"
 
#include <kexidb/drivermanager.h>
#include <kexidb/connectiondata.h>
#include "core/kexi.h"
 
#include <tdeapplication.h>
#include <kiconloader.h>
#include <kmimetype.h>
#include <tdelocale.h>
#include <kdebug.h>
 
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <tqlayout.h>
#include <tqlistview.h>
 
#include <assert.h>

class KexiProjectSelectorWidgetPrivate
{
public:
    KexiProjectSelectorWidgetPrivate()
    {
        selectable = true;
    }
    TQPixmap fileicon, dbicon;
    bool showProjectNameColumn : 1;
    bool showConnectionColumns : 1;
    bool selectable : 1;
};
 
/*================================================================*/

class ProjectDataLVItem : public TQListViewItem
{
public:
    ProjectDataLVItem(KexiProjectData *d, 
        const KexiDB::Driver::Info& info, KexiProjectSelectorWidget *selector )
        : TQListViewItem(selector->list)
        , data(d)
    {
        int colnum = 0;
        const KexiDB::ConnectionData *cdata = data->constConnectionData();
        if (selector->d->showProjectNameColumn)
            setText(colnum++, data->caption()+"  ");
        
        setText(colnum++, data->databaseName()+"  ");
        
        if (selector->d->showConnectionColumns) {
            TQString drvname = info.caption.isEmpty() ? cdata->driverName : info.caption;
            if (info.fileBased) {
                setText(colnum++, i18n("File") + " ("+drvname+")  " );
            } else {
                setText(colnum++, drvname+"  " );
            }
        
            TQString conn;
            if (!cdata->caption.isEmpty())
                conn = cdata->caption + ": ";
            conn += cdata->serverInfoString();
            setText(3, conn + "  ");
        }
    }
    ~ProjectDataLVItem() {}
    
    KexiProjectData *data;
};
 
/*================================================================*/

KexiProjectSelectorWidget::KexiProjectSelectorWidget( 
    TQWidget* parent, const char* name, 
    KexiProjectSet* prj_set, bool showProjectNameColumn,
    bool showConnectionColumns )
    : KexiProjectSelectorBase( parent, name )
    ,m_prj_set(prj_set)
    ,d(new KexiProjectSelectorWidgetPrivate())
{
    d->showProjectNameColumn = showProjectNameColumn;
    d->showConnectionColumns = showConnectionColumns;
    TQString none, iconname = KMimeType::mimeType( KexiDB::Driver::defaultFileBasedDriverMimeType() )->icon(none,0);
    d->fileicon = TDEGlobal::iconLoader()->loadIcon( iconname, TDEIcon::Desktop );
    setIcon( d->fileicon );
    d->dbicon = SmallIcon("application-vnd.oasis.opendocument.database");
//  list->setHScrollBarMode( TQScrollView::AlwaysOn );
 
    if (!d->showConnectionColumns) {
        list->removeColumn(2);
        list->removeColumn(2);
    }
    if (!d->showProjectNameColumn) {
        list->removeColumn(0);
    }
    setFocusProxy(list);
 
    //show projects
    setProjectSet( m_prj_set );
    connect(list,TQ_SIGNAL(doubleClicked(TQListViewItem*)),this,TQ_SLOT(slotItemExecuted(TQListViewItem*)));
    connect(list,TQ_SIGNAL(returnPressed(TQListViewItem*)),this,TQ_SLOT(slotItemExecuted(TQListViewItem*)));
    connect(list,TQ_SIGNAL(selectionChanged()),this,TQ_SLOT(slotItemSelected()));
}

KexiProjectSelectorWidget::~KexiProjectSelectorWidget()
{
    delete d;
}
 
KexiProjectData* KexiProjectSelectorWidget::selectedProjectData() const
{
    ProjectDataLVItem *item = static_cast<ProjectDataLVItem*>(list->selectedItem());
    if (item)
        return item->data;
    return 0;
}
 
void KexiProjectSelectorWidget::slotItemExecuted(TQListViewItem *item)
{
    if (!d->selectable)
        return;
    ProjectDataLVItem *ditem = static_cast<ProjectDataLVItem*>(item);
    if (ditem)
        emit projectExecuted( ditem->data );
}
 
void KexiProjectSelectorWidget::slotItemSelected()
{
    if (!d->selectable)
        return;
    ProjectDataLVItem *ditem = static_cast<ProjectDataLVItem*>(list->selectedItem());
    emit selectionChanged( ditem ? ditem->data : 0 );
}
 
void KexiProjectSelectorWidget::setProjectSet( KexiProjectSet* prj_set )
{
    if (prj_set) {
        //old list
        list->clear();
    }
    m_prj_set = prj_set; 
    if (!m_prj_set)
        return;
//TODO: what with project set's ownership?
    if (m_prj_set->error()) {
        kdDebug() << "KexiProjectSelectorWidget::setProjectSet() : m_prj_set->error() !"<<endl;
        return;
    }
    KexiDB::DriverManager manager;
    KexiProjectData::List prjlist = m_prj_set->list();
    KexiProjectData *data = prjlist.first();
    while (data) {
        KexiDB::Driver::Info info = manager.driverInfo(data->constConnectionData()->driverName);
        if (!info.name.isEmpty()) {
            ProjectDataLVItem *item = new ProjectDataLVItem(data, info, this);
            if (!d->selectable)
                item->setSelectable(false);
            if (info.fileBased)
                item->setPixmap( 0, d->fileicon );
            else
                item->setPixmap( 0, d->dbicon );
        }
        else {
            kdWarning() << "KexiProjectSelector::KexiProjectSelector(): no driver found for '" 
                << data->constConnectionData()->driverName << "'!" << endl;
        }
        data=prjlist.next();
    }
    if (list->firstChild()) {
        list->setSelected(list->firstChild(),true);
    }
}
 
void KexiProjectSelectorWidget::setSelectable(bool set)
{
    if (d->selectable == set)
        return;
    d->selectable = set;
    //update items' state
    TQListViewItemIterator it( list );
    while ( it.current() ) {
        it.current()->setSelectable( d->selectable );
    }
}
    
bool KexiProjectSelectorWidget::isSelectable() const
{
    return d->selectable;
}
 
/*================================================================*/
 
KexiProjectSelectorDialog::KexiProjectSelectorDialog( TQWidget *parent, const char *name,
    KexiProjectSet* prj_set, bool showProjectNameColumn, bool showConnectionColumns)
    : KDialogBase( Plain, i18n("Open Recent Project"), 
#ifndef KEXI_NO_UNFINISHED 
    Help | 
#endif
    Ok | Cancel, Ok, parent, name )
{
    init(prj_set, showProjectNameColumn, showConnectionColumns);
}
 
KexiProjectSelectorDialog::KexiProjectSelectorDialog( TQWidget *parent, const char *name,
    KexiDB::ConnectionData* cdata, 
    bool showProjectNameColumn, bool showConnectionColumns)
    : KDialogBase( 
        Plain, i18n("Open Project"), 
#ifndef KEXI_NO_UNFINISHED 
    Help | 
#endif
    Ok | Cancel, Ok, parent, name, true/*modal*/, false/*sep*/ )
{
    setButtonGuiItem(Ok, KGuiItem(i18n("&Open"), "document-open", i18n("Open Database Connection")));
    assert(cdata);
    if (!cdata)
        return;
    KexiProjectSet *prj_set = new KexiProjectSet( *cdata );
    init(prj_set, showProjectNameColumn, showConnectionColumns);
    
    m_sel->label->setText( i18n("Select a project on <b>%1</b> database server to open:")
        .arg(cdata->serverInfoString(false)) );
}
 
KexiProjectSelectorDialog::~KexiProjectSelectorDialog()
{
}
 
void KexiProjectSelectorDialog::init(KexiProjectSet* prj_set, bool showProjectNameColumn, 
    bool showConnectionColumns)
{
    setSizeGripEnabled(true);
    
    TQVBoxLayout *lyr = new TQVBoxLayout(plainPage(), 0, KDialogBase::spacingHint(), "lyr");
    m_sel = new KexiProjectSelectorWidget(plainPage(), "sel", 
        prj_set, showProjectNameColumn, showConnectionColumns);
    lyr->addWidget(m_sel);
    setIcon(*m_sel->icon());
    m_sel->setFocus();
    
    connect(m_sel,TQ_SIGNAL(projectExecuted(KexiProjectData*)),
        this,TQ_SLOT(slotProjectExecuted(KexiProjectData*)));
    connect(m_sel,TQ_SIGNAL(selectionChanged(KexiProjectData*)),
        this,TQ_SLOT(slotProjectSelectionChanged(KexiProjectData*)));
}
 
KexiProjectData* KexiProjectSelectorDialog::selectedProjectData() const
{
    return m_sel->selectedProjectData();
}
 
void KexiProjectSelectorDialog::slotProjectExecuted(KexiProjectData*)
{
    accept();
}
 
void KexiProjectSelectorDialog::slotProjectSelectionChanged(KexiProjectData* pdata)
{
    enableButtonOK(pdata);
}
 
void KexiProjectSelectorDialog::show()
{
    KDialogBase::show();
    KDialog::centerOnScreen(this);
}
 
#include "KexiProjectSelector.moc"