kio

kmimetypechooser.cpp

00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2001 - 2004 Anders Lund <anders@alweb.dk>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #include "kmimetypechooser.h"
00020 
00021 #include <kconfig.h>
00022 #include <kiconloader.h>
00023 #include <klistview.h>
00024 #include <klocale.h>
00025 #include <kmimetype.h>
00026 #include <kprocess.h>
00027 #include <krun.h>
00028 #include <ksycoca.h>
00029 
00030 #include <qlabel.h>
00031 #include <qlayout.h>
00032 #include <qlineedit.h>
00033 #include <qpushbutton.h>
00034 #include <qwhatsthis.h>
00035 
00036 //BEGIN KMimeTypeChooserPrivate
00037 class KMimeTypeChooserPrivate
00038 {
00039   public:
00040     KListView *lvMimeTypes;
00041     QPushButton *btnEditMimeType;
00042 
00043     QString defaultgroup;
00044     QStringList groups;
00045     int visuals;
00046 };
00047 //END
00048 
00049 //BEGIN KMimeTypeChooser
00050 KMimeTypeChooser::KMimeTypeChooser( const QString &text,
00051                               const QStringList &selMimeTypes,
00052                               const QString &defaultGroup,
00053                               const QStringList &groupsToShow,
00054                               int visuals,
00055                               QWidget *parent,
00056                               const char *name )
00057     : QVBox( parent, name )
00058 {
00059   d = new KMimeTypeChooserPrivate();
00060   d->lvMimeTypes = 0;
00061   d->btnEditMimeType = 0;
00062   d->defaultgroup = defaultGroup;
00063   d->groups = groupsToShow;
00064   d->visuals = visuals;
00065 
00066   setSpacing( KDialogBase::spacingHint() );
00067 
00068   if ( !text.isEmpty() )
00069   {
00070     new QLabel( text, this );
00071   }
00072 
00073   d->lvMimeTypes = new KListView( this );
00074 
00075   d->lvMimeTypes->addColumn( i18n("Mime Type") );
00076 //   d->lvMimeTypes->setColumnWidthMode( 0, QListView::Manual );
00077 
00078   if ( visuals & Comments )
00079   {
00080     d->lvMimeTypes->addColumn( i18n("Comment") );
00081     d->lvMimeTypes->setColumnWidthMode( 1, QListView::Manual );
00082   }
00083   if ( visuals & Patterns )
00084     d->lvMimeTypes->addColumn( i18n("Patterns") );
00085 
00086   d->lvMimeTypes->setRootIsDecorated( true );
00087 
00088   loadMimeTypes( selMimeTypes );
00089 
00090   if (visuals & KMimeTypeChooser::EditButton)
00091   {
00092     QHBox *btns = new QHBox( this );
00093     ((QBoxLayout*)btns->layout())->addStretch(1);
00094     d->btnEditMimeType = new QPushButton( i18n("&Edit..."), btns );
00095 
00096     connect( d->btnEditMimeType, SIGNAL(clicked()), this, SLOT(editMimeType()) );
00097     d->btnEditMimeType->setEnabled( false );
00098     connect( d->lvMimeTypes, SIGNAL( doubleClicked ( QListViewItem * )),
00099              this, SLOT( editMimeType()));
00100     connect( d->lvMimeTypes, SIGNAL(currentChanged(QListViewItem*)),
00101              this, SLOT(slotCurrentChanged(QListViewItem*)) );
00102 
00103     QWhatsThis::add( d->btnEditMimeType, i18n(
00104         "Click this button to display the familiar KDE mime type editor.") );
00105   }
00106 }
00107 
00108 KMimeTypeChooser::~KMimeTypeChooser()
00109 {
00110   delete d;
00111 }
00112 
00113 void KMimeTypeChooser::loadMimeTypes( const QStringList &_selectedMimeTypes )
00114 {
00115   QStringList selMimeTypes;
00116 
00117   if ( !_selectedMimeTypes.isEmpty() )
00118     selMimeTypes = _selectedMimeTypes;
00119   else
00120     selMimeTypes = mimeTypes();
00121 
00122   d->lvMimeTypes->clear();
00123 
00124   QMap<QString,QListViewItem*> groups;
00125   // thanks to kdebase/kcontrol/filetypes/filetypesview
00126   KMimeType::List mimetypes = KMimeType::allMimeTypes();
00127   QValueListIterator<KMimeType::Ptr> it(mimetypes.begin());
00128 
00129   QListViewItem *groupItem;
00130   bool agroupisopen = false;
00131   QListViewItem *idefault = 0; //open this, if all other fails
00132   QListViewItem *firstChecked = 0; // make this one visible after the loop
00133 
00134   for (; it != mimetypes.end(); ++it)
00135   {
00136     QString mimetype = (*it)->name();
00137     int index = mimetype.find("/");
00138     QString maj = mimetype.left(index);
00139 
00140     if ( d->groups.count() && !d->groups.contains( maj ) )
00141       continue;
00142 
00143     QString min = mimetype.right(mimetype.length() - (index+1));
00144 
00145     QMapIterator<QString,QListViewItem*> mit = groups.find( maj );
00146     if ( mit == groups.end() )
00147     {
00148       groupItem = new QListViewItem( d->lvMimeTypes, maj );
00149       groups.insert( maj, groupItem );
00150        if ( maj == d->defaultgroup )
00151          idefault = groupItem;
00152     }
00153     else
00154         groupItem = mit.data();
00155 
00156     QCheckListItem *item = new QCheckListItem( groupItem, min, QCheckListItem::CheckBox );
00157     item->setPixmap( 0, SmallIcon( (*it)->icon(QString::null,false) ) );
00158 
00159     int cl = 1;
00160 
00161     if ( d->visuals & Comments )
00162     {
00163       item->setText( cl, (*it)->comment(QString::null, false) );
00164       cl++;
00165     }
00166 
00167     if ( d->visuals & Patterns )
00168       item->setText( cl, (*it)->patterns().join("; ") );
00169 
00170     if ( selMimeTypes.contains(mimetype) )
00171     {
00172       item->setOn( true );
00173       groupItem->setOpen( true );
00174       agroupisopen = true;
00175       if ( !firstChecked )
00176         firstChecked = item;
00177     }
00178   }
00179 
00180   if ( firstChecked )
00181     d->lvMimeTypes->ensureItemVisible( firstChecked );
00182 
00183   if ( !agroupisopen && idefault )
00184   {
00185     idefault->setOpen( true );
00186     d->lvMimeTypes->ensureItemVisible( idefault );
00187   }
00188 }
00189 
00190 void KMimeTypeChooser::editMimeType()
00191 {
00192   if ( !(d->lvMimeTypes->currentItem() && (d->lvMimeTypes->currentItem())->parent()) )
00193     return;
00194   QString mt = (d->lvMimeTypes->currentItem()->parent())->text( 0 ) + "/" + (d->lvMimeTypes->currentItem())->text( 0 );
00195   // thanks to libkonq/konq_operations.cc
00196   connect( KSycoca::self(), SIGNAL(databaseChanged()),
00197            this, SLOT(slotSycocaDatabaseChanged()) );
00198   QString keditfiletype = QString::fromLatin1("keditfiletype");
00199   KRun::runCommand( keditfiletype
00200                     + " --parent " + QString::number( (ulong)topLevelWidget()->winId())
00201                     + " " + KProcess::quote(mt),
00202                     keditfiletype, keditfiletype /*unused*/);
00203 }
00204 
00205 void KMimeTypeChooser::slotCurrentChanged(QListViewItem* i)
00206 {
00207   if ( d->btnEditMimeType )
00208     d->btnEditMimeType->setEnabled( i->parent() );
00209 }
00210 
00211 void KMimeTypeChooser::slotSycocaDatabaseChanged()
00212 {
00213   if ( KSycoca::self()->isChanged("mime") )
00214     loadMimeTypes();
00215 }
00216 
00217 QStringList KMimeTypeChooser::mimeTypes() const
00218 {
00219   QStringList l;
00220   QListViewItemIterator it( d->lvMimeTypes );
00221   for (; it.current(); ++it)
00222   {
00223     if ( it.current()->parent() && ((QCheckListItem*)it.current())->isOn() )
00224       l << it.current()->parent()->text(0) + "/" + it.current()->text(0); // FIXME uncecked, should be Ok unless someone changes mimetypes during this!
00225   }
00226   return l;
00227 }
00228 
00229 QStringList KMimeTypeChooser::patterns() const
00230 {
00231   QStringList l;
00232   KMimeType::Ptr p;
00233   QString defMT = KMimeType::defaultMimeType();
00234   QListViewItemIterator it( d->lvMimeTypes );
00235   for (; it.current(); ++it)
00236   {
00237     if ( it.current()->parent() && ((QCheckListItem*)it.current())->isOn() )
00238     {
00239       p = KMimeType::mimeType( it.current()->parent()->text(0) + "/" + it.current()->text(0) );
00240       if ( p->name() != defMT )
00241         l += p->patterns();
00242     }
00243   }
00244   return l;
00245 }
00246 //END
00247 
00248 //BEGIN KMimeTypeChooserDialog
00249 KMimeTypeChooserDialog::KMimeTypeChooserDialog(
00250                          const QString &caption,
00251                          const QString& text,
00252                          const QStringList &selMimeTypes,
00253                          const QString &defaultGroup,
00254                          const QStringList &groupsToShow,
00255                          int visuals,
00256                          QWidget *parent, const char *name )
00257     : KDialogBase(parent, name, true, caption, Cancel|Ok, Ok)
00258 {
00259   m_chooser = new KMimeTypeChooser( text, selMimeTypes,
00260                                   defaultGroup, groupsToShow, visuals,
00261                                   this, "chooser" );
00262   setMainWidget(m_chooser);
00263 
00264   KConfigGroup group( KGlobal::config(), "KMimeTypeChooserDialog");
00265   QSize defaultSize( 400, 300 );
00266   resize( group.readSizeEntry("size", &defaultSize) );
00267 }
00268 
00269 KMimeTypeChooserDialog::KMimeTypeChooserDialog(
00270                          const QString &caption,
00271                          const QString& text,
00272                          const QStringList &selMimeTypes,
00273                          const QString &defaultGroup,
00274                          QWidget *parent, const char *name )
00275     : KDialogBase(parent, name, true, caption, Cancel|Ok, Ok)
00276 {
00277   m_chooser = new KMimeTypeChooser( text, selMimeTypes,
00278                                   defaultGroup, QStringList(),
00279                                   KMimeTypeChooser::Comments|KMimeTypeChooser::Patterns|KMimeTypeChooser::EditButton,
00280                                   this, "chooser" );
00281   setMainWidget(m_chooser);
00282 
00283   KConfigGroup group( KGlobal::config(), "KMimeTypeChooserDialog");
00284   QSize defaultSize( 400, 300 );
00285   resize( group.readSizeEntry("size", &defaultSize) );
00286 }
00287 
00288 
00289 KMimeTypeChooserDialog::~KMimeTypeChooserDialog()
00290 {
00291   KConfigGroup group( KGlobal::config(), "KMimeTypeChooserDialog");
00292   group.writeEntry("size", size());
00293 }
00294 
00295 //END KMimeTypeChooserDialog
00296 
00297 // kate: space-indent on; indent-width 2; replace-tabs on;
00298 #include "kmimetypechooser.moc"
kio

kmimetypechooser.cpp

kio

API Reference
