YQPkgSelDescriptionView.cc

/**************************************************************************
Copyright (C) 2000 - 2010 Novell, Inc.
All Rights Reserved.
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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with this program; if not, write to the Free Software Foundation, Inc.,
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**************************************************************************/
 
 
/*---------------------------------------------------------------------\
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|                      __   __    ____ _____ ____                      |
|                      \ \ / /_ _/ ___|_   _|___ \                     |
|                       \ V / _` \___ \ | |   __) |                    |
|                        | | (_| |___) || |  / __/                     |
|                        |_|\__,_|____/ |_| |_____|                    |
|                                                                      |
|                               core system                            |
|                                                        (C) SuSE GmbH |
\----------------------------------------------------------------------/
 
  File:       YQPkgSelDescriptionView.cc
 
  Author:     Stefan Hundhammer <sh@suse.de>
 
/-*/
 
#define YUILogComponent "qt-pkg"
#include "YUILog.h"
#include <yui/Libyui_config.h>
 
#include <unistd.h>
#include <QRegExp>
 
#include "YQPkgSelDescriptionView.h"
#include "YQUI.h"
#include "YQi18n.h"
#include "utf8.h"
#include <qbuffer.h>
 
using std::endl;
using std::list;
using std::string;
 
 
YQPkgSelDescriptionView::YQPkgSelDescriptionView( QWidget * parent )
    : YQPkgDescriptionView( parent )
{
}
 
 
YQPkgSelDescriptionView::~YQPkgSelDescriptionView()
{
    // NOP
}
 
 
void
YQPkgSelDescriptionView::showDetails( ZyppSel selectable )
{
    _selectable = selectable;
 
    if ( ! selectable )
    {
        clear();
        return;
    }
 
    QString html_text = htmlHeading( selectable );
 
    QString description = fromUTF8( selectable->theObj()->description() );
 
    if ( ! description.contains( "<!-- DT:Rich -->" ) )
        description = simpleHtmlParagraphs( description );
 
    html_text += description;
 
    setHtml( html_text );
    //FIXME ensureVisible( 0, 0 );      // Otherwise hyperlinks will be centered
}
 
 
 
QString
YQPkgSelDescriptionView::htmlHeading( ZyppSel selectable )
{
    ZyppObj             zyppObj         = selectable->theObj();
    ZyppPattern         pattern         = tryCastToZyppPattern  ( zyppObj );
 
    if ( ! pattern )
        return YQPkgGenericDetailsView::htmlHeading( selectable );
 
    QString summary = fromUTF8( zyppObj->summary() );
    bool useBigFont = ( summary.length() <= 40 );
 
    if ( summary.isEmpty() )                    // No summary?
        summary = fromUTF8( zyppObj->name() );  // Use name instead (internal only normally)
 
    QString iconName = pattern ? pattern->icon().asString().c_str() : "";
 
    if ( iconName.isEmpty() )
    {
        iconName = zyppObj->name().c_str();
        iconName.replace( ' ', '_' );
    }
 
    if ( ! iconName.isEmpty() )
    {
        if ( iconName.startsWith( "./" ) )
            iconName.replace( QRegExp( "^\\./" ), "" );
 
        if ( pattern && iconName.isEmpty() )
            yuiWarning() << "No icon for pattern " << zyppObj->name() << endl;
    }
 
 
    QString html = "<table width='100%'><tr><td>"
        + ( useBigFont ? QString( "<h2>" ) : QString( "<b>" ) )
        + summary
        + ( useBigFont ? QString( "</h2>" ) : QString( "</b>" ) )
        + "</td></tr>"
        + "</table>";
 
    if ( ! iconName.isEmpty() )
    {
        QIcon icon = YQUI::ui()->loadIcon( iconName.toStdString() );
        QPixmap pixmap = icon.pixmap(16);
        QByteArray byteArray;
        QBuffer buffer(&byteArray);
        pixmap.save(&buffer, "PNG");
        html = QString( "<table width='100%'><tr>" )
            + "<td><img src=\"data:image/png;base64," + byteArray.toBase64() + "\"/></td>"
            + "<td width='100%'>" + html + "</td>"
            + "</tr></table>";
    }
 
    return html;
}