viewatt.cpp

Qtopia下的邮件处理程序

/****************************************************************************
**
** Copyright (C) 2000-2006 TROLLTECH ASA. All rights reserved.
**
** This file is part of the Phone Edition of the Qtopia Toolkit.
**
** Licensees holding a valid license agreement from Trolltech or any of its
** authorized distributors may use this file in accordance with
** the License Agreement provided with the Licensed Software.
**
** See http://www.trolltech.com/pricing.html or email [e-mail] for
**   information about Trolltech's Commercial License Agreements.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**
**
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/


#include "viewatt.h"
#include "drmattachmentlink.h"
#include <qtopia/qcontent.h>

#include <qlayout.h>
#include <qlabel.h>
#include <qtablewidget.h>
#include <qheaderview.h>
#include <qevent.h>

//#define ENACT_INSTALLATION_IMMEDIATELY

ViewAtt::ViewAtt(Email *mailIn, bool _inbox, QWidget *parent, Qt::WFlags f)
    : QDialog(parent, f)
{
    mail = mailIn;
    inbox = _inbox;

    setWindowTitle( tr( "Attachments" ) );
    QVBoxLayout* vb = new QVBoxLayout( this ); 
    vb->setSpacing( 6 );
 
    label = new QLabel( this );
    label->setWordWrap( true );
    vb->addWidget( label );
    listView = new QTableWidget( this );
    listView->installEventFilter( this );
    vb->addWidget( listView );
    listView->setFocus();
    QStringList columns;
    columns << tr( "Attachment" );
    columns << tr( "Type" );
    listView->setColumnCount( columns.count() );
    listView->setHorizontalHeaderLabels( columns );
    listView->verticalHeader()->hide();

    init();
}

void ViewAtt::accept()
{
#ifndef ENACT_INSTALLATION_IMMEDIATELY
    int i;
    for (i = 0; i < listView->rowCount(); ++i) {
	QTableWidgetItem *item = listView->item( i, 0 );
	setInstall( item );
    }
#endif
    QDialog::accept();
}

void ViewAtt::reject()
{
#ifdef ENACT_INSTALLATION_IMMEDIATELY
    // reset to initial state
    QListIterator<QTableWidgetItem*> it = on->entryIterator();
    while ( it.hasNext() ) {
	QTableWidgetItem *item = it.next();
	if ( item->checkState() != Qt::Checked ) {
	    item->setChecked( Qt::Checked );
	    setInstall( item );
	}
    }
    QListIterator<QTableWidgetItem*> it = off->entryIterator();
    while ( it.hasNext() ) {
	QTableWidgetItem *item = it.next();
	if ( item->checkState() == Qt::Checked ) {
	    item->setChecked( Qt::Unchecked );
	    setInstall( item );
	}
    }
#endif
    QDialog::reject();
}


void ViewAtt::init()
{
    if (inbox) {
	label->setText( tr("<p>Check attachments to add to Documents") );
#ifdef ENACT_INSTALLATION_IMMEDIATELY
	connect( listView, SIGNAL(clicked(QTableWidgetItem*)), 
		 this, SLOT(setInstall(QTableWidgetItem*)) );
#endif
    } else {
	label->setText(tr("<p>These are the attachments in this mail"));
    }

    for ( int i = 0; i < (int)mail->messagePartCount(); i++ ) {
	MailMessagePart &part = mail->messagePartAt( i );
    QString name = part.prettyName();
#ifdef QTOPIA_PHONE
    if(part.name().isEmpty() && !part.contentLocation().isEmpty())
        name = part.contentLocation();
#endif
	if ( inbox ) {
	    bool ins = !part.linkFile().isEmpty();
	    if ( ins ) {
                ins = QContent( part.linkFile() ).isValid();
	    }
	    QTableWidgetItem *item = new QTableWidgetItem( name );
	    item->setFlags( Qt::ItemIsUserCheckable | Qt::ItemIsEnabled );
	    item->setCheckState( ins ? Qt::Checked : Qt::Unchecked );
	    listView->setRowCount( listView->rowCount() + 1 );
	    listView->setItem( listView->rowCount() - 1, 0, item );
#ifndef QTOPIA_NO_MMS
            if( part.contentType() == "qtopia/drmattachmentlink" )
                item = new QTableWidgetItem( DrmAttachmentLink( part.decodedBody() ).embeddedType() );
            else
#endif
	    item = new QTableWidgetItem( part.contentType() );
	    item->setFlags( Qt::ItemIsEnabled );
	    listView->setItem( listView->rowCount() - 1, 1, item );
#ifdef ENACT_INSTALLATION_IMMEDIATELY
	    if ( ins )
		on.append(item);
	    else
		off.append(item);
#endif
	} else {
	    QTableWidgetItem *item = new QTableWidgetItem( name );
	    listView->setRowCount( listView->rowCount() + 1 );
	    listView->setItem( listView->rowCount() - 1, 0, item );
#ifndef QTOPIA_NO_MMS
            if( part.contentType() == "qtopia/drmattachmentlink" )
                item = new QTableWidgetItem( DrmAttachmentLink( part.decodedBody() ).embeddedType() );
            else
#endif
	    item = new QTableWidgetItem( part.contentType() );
	    listView->setItem( listView->rowCount() - 1, 1, item );
	}
    }
    if(!inbox)
        listView->setSelectionMode(QAbstractItemView::NoSelection);
    if(listView->rowCount() > 0)
        listView->selectRow(0);
}

void ViewAtt::setInstall(QTableWidgetItem* i)
{
    if ( !inbox )
	return;

    if ( i ) {
	int row = listView->row( i );
	QTableWidgetItem *item = listView->item( row, 0 );
	QString filename  = item->text(); // unique?
	bool checked = item->checkState() == Qt::Checked;
	
	if ( !mail->setAttachmentInstalled(filename, checked )) {
	    // beep? status error message?
	    item->setCheckState( checked ? Qt::Unchecked : Qt::Checked );
	}
    }
}

bool ViewAtt::eventFilter( QObject *o, QEvent *e )
{
    if ((o == listView) && (e->type() == QEvent::KeyPress))
    {
	QKeyEvent *keyEvent = (QKeyEvent*)e;
	switch( keyEvent->key() ) {
#ifdef QTOPIA_PHONE
	case Qt::Key_Select:
#endif
	case Qt::Key_Space:
	case Qt::Key_Return:
	case Qt::Key_Enter:
        {
#ifdef QTOPIA_PHONE
        if(!inbox)
            return false;
        if(!listView->hasEditFocus())
            listView->setEditFocus(true);
#endif
        ;
        QTableWidgetItem* i = listView->currentItem();
	    if (i) {
		int row = listView->row( i );
		QTableWidgetItem *item = listView->item( row, 0 );
		bool checked = item->checkState() == Qt::Checked;
		item->setCheckState( checked ? Qt::Unchecked : Qt::Checked );
		return true;
	    }
	    return false;
        }
        break;
#ifdef QTOPIA_PHONE
     case Qt::Key_Back:
     {
         accept();
         return true;
     }
     break;
#endif
        default:  return false;
	}
    }
    return QDialog::eventFilter( o, e );
}
#ifdef QTOPIA_PHONE
bool ViewAtt::event(QEvent* e)
{
    if(e->type() == QEvent::WindowActivate)
        listView->setEditFocus(true);
    return QDialog::event(e);
}
#endif