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/* This file is part of the KDE libraries
Copyright (C) 2001,2002 Rolf Magnus <[email protected]>
library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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.
$Id$
*/
#include "kmetaprops.h"
#include <kdebug.h>
#include <kfilemetainfowidget.h>
#include <kfilemetainfo.h>
#include <kglobal.h>
#include <kglobalsettings.h>
#include <klocale.h>
#include <kprotocolinfo.h>
#include <tqvalidator.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqfileinfo.h>
#include <tqdatetime.h>
#include <tqstylesheet.h>
#include <tqvgroupbox.h>
#undef Bool
class MetaPropsScrollView : public TQScrollView
{
public:
MetaPropsScrollView(TQWidget* parent = 0, const char* name = 0)
: TQScrollView(parent, name)
{
setFrameStyle(TQFrame::NoFrame);
m_frame = new TQFrame(viewport(), "MetaPropsScrollView::m_frame");
m_frame->setFrameStyle(TQFrame::NoFrame);
addChild(m_frame, 0, 0);
};
TQFrame* frame() {return m_frame;};
protected:
virtual void viewportResizeEvent(TQResizeEvent* ev)
{
TQScrollView::viewportResizeEvent(ev);
m_frame->resize( kMax(m_frame->sizeHint().width(), ev->size().width()),
kMax(m_frame->sizeHint().height(), ev->size().height()));
};
private:
TQFrame* m_frame;
};
class KFileMetaPropsPlugin::KFileMetaPropsPluginPrivate
{
public:
KFileMetaPropsPluginPrivate() {}
~KFileMetaPropsPluginPrivate() {}
TQFrame* m_frame;
TQGridLayout* m_framelayout;
KFileMetaInfo m_info;
// TQPushButton* m_add;
TQPtrList<KFileMetaInfoWidget> m_editWidgets;
};
KFileMetaPropsPlugin::KFileMetaPropsPlugin(KPropertiesDialog* props)
: KPropsDlgPlugin(props)
{
d = new KFileMetaPropsPluginPrivate;
KFileItem * fileitem = properties->item();
kdDebug(250) << "KFileMetaPropsPlugin constructor" << endl;
d->m_info = fileitem->metaInfo();
if (!d->m_info.isValid())
{
d->m_info = KFileMetaInfo(properties->kurl().path(-1));
fileitem->setMetaInfo(d->m_info);
}
if ( properties->items().count() > 1 )
{
// not yet supported
// we should allow setting values for a list of files. Itt makes sense
// in some cases, like the album of a list of mp3s
return;
}
createLayout();
setDirty(true);
}
void KFileMetaPropsPlugin::createLayout()
{
TQFileInfo file_info(properties->item()->url().path());
kdDebug(250) << "KFileMetaPropsPlugin::createLayout" << endl;
// is there any valid and non-empty info at all?
if ( !d->m_info.isValid() || (d->m_info.preferredKeys()).isEmpty() )
return;
// now get a list of groups
KFileMetaInfoProvider* prov = KFileMetaInfoProvider::self();
TQStringList groupList = d->m_info.preferredGroups();
const KFileMimeTypeInfo* mtinfo = prov->mimeTypeInfo(d->m_info.mimeType());
if (!mtinfo)
{
kdDebug(7034) << "no mimetype info there\n";
return;
}
// let the dialog create the page frame
TQFrame* topframe = properties->addPage(i18n("&Meta Info"));
topframe->setFrameStyle(TQFrame::NoFrame);
TQVBoxLayout* tmp = new TQVBoxLayout(topframe);
// create a scroll view in the page
MetaPropsScrollView* view = new MetaPropsScrollView(topframe);
tmp->addWidget(view);
d->m_frame = view->frame();
TQVBoxLayout *toplayout = new TQVBoxLayout(d->m_frame);
toplayout->setSpacing(KDialog::spacingHint());
for (TQStringList::Iterator git=groupList.begin();
git!=groupList.end(); ++git)
{
kdDebug(7033) << *git << endl;
TQStringList itemList = d->m_info.group(*git).preferredKeys();
if (itemList.isEmpty())
continue;
TQGroupBox *groupBox = new TQGroupBox(2, Qt::Horizontal,
TQStyleSheet::escape(mtinfo->groupInfo(*git)->translatedName()),
d->m_frame);
toplayout->addWidget(groupBox);
TQValueList<KFileMetaInfoItem> readItems;
TQValueList<KFileMetaInfoItem> editItems;
for (TQStringList::Iterator iit = itemList.begin();
iit!=itemList.end(); ++iit)
{
KFileMetaInfoItem item = d->m_info[*git][*iit];
if ( !item.isValid() ) continue;
bool editable = file_info.isWritable() && item.isEditable();
if (editable)
editItems.append( item );
else
readItems.append( item );
}
KFileMetaInfoWidget* w = 0L;
// then first add the editable items to the layout
for (TQValueList<KFileMetaInfoItem>::Iterator iit= editItems.begin();
iit!=editItems.end(); ++iit)
{
TQLabel* l = new TQLabel((*iit).translatedKey() + ":", groupBox);
l->setAlignment( AlignAuto | AlignTop | ExpandTabs );
TQValidator* val = mtinfo->createValidator(*git, (*iit).key());
if (!val) kdDebug(7033) << "didn't get a validator for " << *git << "/" << (*iit).key() << endl;
w = new KFileMetaInfoWidget(*iit, val, groupBox);
d->m_editWidgets.append( w );
connect(w, TQT_SIGNAL(valueChanged(const TQVariant&)), this, TQT_SIGNAL(changed()));
}
// and then the read only items
for (TQValueList<KFileMetaInfoItem>::Iterator iit= readItems.begin();
iit!=readItems.end(); ++iit)
{
TQLabel* l = new TQLabel((*iit).translatedKey() + ":", groupBox);
l->setAlignment( AlignAuto | AlignTop | ExpandTabs );
(new KFileMetaInfoWidget(*iit, KFileMetaInfoWidget::ReadOnly, 0L, groupBox));
}
}
toplayout->addStretch(1);
// the add key (disabled until fully implemented)
/* d->m_add = new TQPushButton(i18n("&Add"), topframe);
d->m_add->setSizePolicy(TQSizePolicy(TQSizePolicy::Fixed,
TQSizePolicy::Fixed));
connect(d->m_add, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotAdd()));
tmp->addWidget(d->m_add);
// if nothing can be added, deactivate it
if ( !d->m_info.supportsVariableKeys() )
{
// if supportedKeys() does contain anything not in preferredKeys,
// we have something addable
TQStringList sk = d->m_info.supportedKeys();
d->m_add->setEnabled(false);
for (TQStringList::Iterator it = sk.begin(); it!=sk.end(); ++it)
{
if ( l.find(*it)==l.end() )
{
d->m_add->setEnabled(true);
kdDebug(250) << "**first addable key is " << (*it).latin1() << "**" <<endl;
break;
}
kdDebug(250) << "**already existing key is " << (*it).latin1() << "**" <<endl;
}
} */
}
/*void KFileMetaPropsPlugin::slotAdd()
{
// add a lineedit for the name
// insert the item in the list
}*/
KFileMetaPropsPlugin::~KFileMetaPropsPlugin()
{
delete d;
}
bool KFileMetaPropsPlugin::supports( KFileItemList _items )
{
#ifdef _GNUC
#warning TODO: Add support for more than one item
#endif
if (KExecPropsPlugin::supports(_items) || KURLPropsPlugin::supports(_items))
return false; // Having both is redundant.
bool metaDataEnabled = KGlobalSettings::showFilePreview(_items.first()->url());
return _items.count() == 1 && metaDataEnabled;
}
void KFileMetaPropsPlugin::applyChanges()
{
kdDebug(250) << "applying changes" << endl;
// insert the fields that changed into the info object
TQPtrListIterator<KFileMetaInfoWidget> it( d->m_editWidgets );
KFileMetaInfoWidget* w;
for (; (w = it.current()); ++it) w->apply();
d->m_info.applyChanges(properties->kurl().path());
}
#include "kmetaprops.moc"
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