Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 501 insertions, 0 deletions

diff --git a/korganizer/koeditorattachments.cpp b/korganizer/koeditorattachments.cpp
new file mode 100644
index 00000000..51dd6304
--- /dev/null
+++ b/korganizer/koeditorattachments.cpp
@@ -0,0 +1,501 @@
+/*
+    This file is part of KOrganizer.
+
+    Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
+    Copyright (c) 2005 Reinhold Kainhofer <reinhold@kainhofer.com>
+
+    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
+    (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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+#include "koeditorattachments.h"
+
+#include <libkcal/incidence.h>
+#include <libkdepim/kpimurlrequesterdlg.h>
+#include <libkdepim/kfileio.h>
+
+#include <klocale.h>
+#include <kdebug.h>
+#include <kmdcodec.h>
+#include <kmessagebox.h>
+#include <kiconview.h>
+#include <krun.h>
+#include <kurldrag.h>
+#include <ktempfile.h>
+#include <ktempdir.h>
+#include <kio/netaccess.h>
+#include <kmimetype.h>
+#include <kiconloader.h>
+#include <kfiledialog.h>
+#include <kstdaction.h>
+#include <kactioncollection.h>
+#include <kpopupmenu.h>
+
+#include <qfile.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qlistview.h>
+#include <qpushbutton.h>
+#include <qdragobject.h>
+#include <qtooltip.h>
+#include <qwhatsthis.h>
+#include <qapplication.h>
+#include <qclipboard.h>
+
+#include <cassert>
+#include <set>
+
+class AttachmentListItem : public KIconViewItem
+{
+  public:
+    AttachmentListItem( KCal::Attachment*att, QIconView *parent ) :
+        KIconViewItem( parent )
+    {
+      if ( att ) {
+        mAttachment = new KCal::Attachment( *att );
+      } else {
+        mAttachment = new KCal::Attachment( QString::null );
+      }
+      readAttachment();
+      setDragEnabled( true );
+    }
+    ~AttachmentListItem() { delete mAttachment; }
+    KCal::Attachment *attachment() const { return mAttachment; }
+
+    void setUri( const QString &uri )
+    {
+      mAttachment->setUri( uri );
+      readAttachment();
+    }
+    void setData( const char *base64 )
+    {
+      mAttachment->setData( base64 );
+      readAttachment();
+    }
+    void setMimeType( const QString &mime )
+    {
+      mAttachment->setMimeType( mime );
+      readAttachment();
+    }
+    void setLabel( const QString &label )
+    {
+      mAttachment->setLabel( label );
+      readAttachment();
+    }
+
+    void readAttachment()
+    {
+      if ( mAttachment->isUri() )
+        setText( mAttachment->uri() );
+      else {
+        if ( mAttachment->label().isEmpty() )
+          setText( i18n("[Binary data]") );
+        else
+          setText( mAttachment->label() );
+      }
+      KMimeType::Ptr mt = KMimeType::mimeType( mAttachment->mimeType() );
+      if ( mt ) {
+          const QString iconName( mt->icon( QString(), false ) );
+          QPixmap pix = KGlobal::iconLoader( )->loadIcon( iconName, KIcon::Small );
+          if ( pix.isNull() )
+            pix = KGlobal::iconLoader( )->loadIcon( "unknown", KIcon::Small );
+            if ( !pix.isNull() )
+              setPixmap( pix );
+      }
+    }
+
+  private:
+    KCal::Attachment *mAttachment;
+};
+
+class AttachmentIconView : public KIconView
+{
+    friend class KOEditorAttachments;
+    public:
+        AttachmentIconView( KOEditorAttachments* parent=0 )
+            :KIconView( parent ),
+             mParent( parent )
+        {
+            setAcceptDrops( true );
+            setSelectionMode( QIconView::Extended );
+            setMode( KIconView::Select );
+            setItemTextPos( QIconView::Right );
+            setArrangement( QIconView::LeftToRight );
+            setMaxItemWidth( QMAX(maxItemWidth(), 250) );
+            setMinimumHeight( QMAX(fontMetrics().height(), 16) + 12 );
+        }
+        ~AttachmentIconView()
+        {
+            for ( std::set<KTempDir*>::iterator it = mTempDirs.begin() ; it != mTempDirs.end() ; ++it ) {
+                delete *it;
+            }
+        }
+    protected:
+        QDragObject * dragObject()
+        {
+            KURL::List urls;
+            for ( QIconViewItem *it = firstItem( ); it; it = it->nextItem( ) ) {
+                if ( !it->isSelected() ) continue;
+                AttachmentListItem * item = dynamic_cast<AttachmentListItem*>( it );
+                if ( !item ) return 0;
+                KCal::Attachment * att = item->attachment();
+                assert( att );
+                KURL url;
+                if ( att->isUri() ) {
+                    url.setPath( att->uri() );
+                } else {
+                    KTempDir * tempDir = new KTempDir(); // will be deleted on editor close
+                    tempDir->setAutoDelete( true );
+                    mTempDirs.insert( tempDir );
+                    QByteArray encoded;
+                    encoded.duplicate( att->data(), strlen(att->data()) );
+                    QByteArray decoded;
+                    KCodecs::base64Decode( encoded, decoded );
+                    const QString fileName = tempDir->name( ) + "/" + att->label();
+                    KPIM::kByteArrayToFile( decoded, fileName, false, false, false );
+                    url.setPath( fileName );
+                }
+                urls << url;
+            }
+            KURLDrag *drag  = new KURLDrag( urls, this );
+            return drag;
+        }
+        void contentsDropEvent( QDropEvent* event )
+        {
+          mParent->handlePasteOrDrop( event );
+        }
+    private:
+        std::set<KTempDir*> mTempDirs;
+        KOEditorAttachments* mParent;
+};
+
+KOEditorAttachments::KOEditorAttachments( int spacing, QWidget *parent,
+                                          const char *name )
+  : QWidget( parent, name )
+{
+  QBoxLayout *topLayout = new QHBoxLayout( this );
+  topLayout->setSpacing( spacing );
+
+  QLabel *label = new QLabel( i18n("Attachments:"), this );
+  topLayout->addWidget( label );
+
+  mAttachments = new AttachmentIconView( this );
+  QWhatsThis::add( mAttachments,
+                   i18n("Displays a list of current items (files, mail, etc.) "
+                        "that have been associated with this event or to-do. ") );
+  topLayout->addWidget( mAttachments );
+  connect( mAttachments, SIGNAL( doubleClicked( QIconViewItem * ) ),
+           SLOT( showAttachment( QIconViewItem * ) ) );
+  connect( mAttachments, SIGNAL(selectionChanged()),
+           SLOT(selectionChanged()) );
+  connect( mAttachments, SIGNAL(contextMenuRequested(QIconViewItem*,const QPoint&)),
+           SLOT(contextMenu(QIconViewItem*,const QPoint&)) );
+
+  mAddMenu = new KPopupMenu( this );
+  mContextMenu = new KPopupMenu( this );
+
+  KActionCollection* ac = new KActionCollection( this, this );
+
+  mOpenAction = new KAction( i18n("View"), 0, this, SLOT(slotShow()), ac );
+  mOpenAction->plug( mContextMenu );
+  mContextMenu->insertSeparator();
+
+  mCopyAction = KStdAction::copy(this, SLOT(slotCopy( ) ), ac );
+  mCopyAction->plug( mContextMenu );
+  mCutAction = KStdAction::cut(this, SLOT(slotCut( ) ), ac );
+  mCutAction->plug( mContextMenu );
+  KAction *action = KStdAction::paste(this, SLOT(slotPaste( ) ), ac );
+  action->plug( mContextMenu );
+
+  action = new KAction( i18n("&Attach File..."), 0, this, SLOT(slotAddData()), ac );
+  action->setWhatsThis( i18n("Shows a dialog used to select an attachment "
+                        "to add to this event or to-do as link as inline data.") );
+  action->plug( mAddMenu );
+  action = new KAction( i18n("Attach &Link..."), 0, this, SLOT(slotAdd()), ac );
+  action->setWhatsThis( i18n("Shows a dialog used to select an attachment "
+                        "to add to this event or to-do as link.") );
+  action->plug( mAddMenu );
+
+  QPushButton *addButton = new QPushButton( this );
+  addButton->setIconSet( SmallIconSet( "add" ) );
+  addButton->setPopup( mAddMenu );
+  topLayout->addWidget( addButton );
+
+  mRemoveBtn = new QPushButton( this );
+  mRemoveBtn->setIconSet( SmallIconSet( "remove" ) );
+  QToolTip::add( mRemoveBtn, i18n("&Remove") );
+  QWhatsThis::add( mRemoveBtn,
+                   i18n("Removes the attachment selected in the list above "
+                        "from this event or to-do.") );
+  topLayout->addWidget( mRemoveBtn );
+  connect( mRemoveBtn, SIGNAL( clicked() ), SLOT( slotRemove() ) );
+
+  selectionChanged();
+  setAcceptDrops( true );
+}
+
+KOEditorAttachments::~KOEditorAttachments()
+{
+}
+
+bool KOEditorAttachments::hasAttachments()
+{
+  return mAttachments->count() != 0;
+}
+
+void KOEditorAttachments::dragEnterEvent( QDragEnterEvent* event )
+{
+  event->accept( KURLDrag::canDecode( event ) | QTextDrag::canDecode( event ) );
+}
+
+void KOEditorAttachments::handlePasteOrDrop( QMimeSource* source )
+{
+  KURL::List urls;
+  QString text;
+  if ( KURLDrag::decode( source, urls ) ) {
+    const bool asUri = KMessageBox::questionYesNo( this,
+            i18n("Do you want to link to the attachments, or include them in the event?"),
+            i18n("Attach as link?"), i18n("As Link"), i18n("As File") ) == KMessageBox::Yes;
+    for ( KURL::List::ConstIterator it = urls.begin(); it != urls.end(); ++it ) {
+      addAttachment( (*it).url(), QString::null, asUri );
+    }
+  } else if ( QTextDrag::decode( source, text ) ) {
+    QStringList lst = QStringList::split( '\n', text );
+    for ( QStringList::ConstIterator it = lst.begin(); it != lst.end(); ++it ) {
+      addAttachment( (*it)  );
+    }
+  }
+}
+
+void KOEditorAttachments::dropEvent( QDropEvent* event )
+{
+    handlePasteOrDrop( event );
+}
+
+void KOEditorAttachments::showAttachment( QIconViewItem *item )
+{
+  AttachmentListItem *attitem = static_cast<AttachmentListItem*>(item);
+  if ( !attitem || !attitem->attachment() ) return;
+
+  KCal::Attachment *att = attitem->attachment();
+  if ( att->isUri() ) {
+    emit openURL( att->uri() );
+  } else {
+    KTempFile f;
+    if ( !f.file() )
+      return;
+    QByteArray encoded;
+    encoded.duplicate( att->data(), strlen(att->data()) );
+    QByteArray decoded;
+    KCodecs::base64Decode( encoded, decoded );
+    f.file()->writeBlock( decoded );
+    f.file()->close();
+    KRun::runURL( f.name(), att->mimeType(), true, false );
+  }
+}
+
+void KOEditorAttachments::slotAdd()
+{
+  KURL uri = KPimURLRequesterDlg::getURL( QString::null, i18n(
+         "URL (e.g. a web page) or file to be attached (only "
+         "the link will be attached, not the file itself):"), this,
+                                       i18n("Add Attachment") );
+  if ( !uri.isEmpty() ) {
+    addAttachment( uri );
+  }
+}
+
+void KOEditorAttachments::slotAddData()
+{
+  KURL uri = KFileDialog::getOpenFileName( QString(), QString(), this, i18n("Add Attachment") );
+  if ( !uri.isEmpty() ) {
+    addAttachment( uri, QString::null, false );
+  }
+}
+
+void KOEditorAttachments::slotEdit()
+{
+  QIconViewItem *item = mAttachments->currentItem();
+  AttachmentListItem *attitem = static_cast<AttachmentListItem*>(item);
+  if ( !attitem || !attitem->attachment() ) return;
+
+  KCal::Attachment *att = attitem->attachment();
+  if ( att->isUri() ) {
+    KURL uri = KPimURLRequesterDlg::getURL( att->uri(), i18n(
+         "URL (e.g. a web page) or file to be attached (only "
+         "the link will be attached, not the file itself):"), this,
+                                         i18n("Edit Attachment") );
+
+    if ( !uri.isEmpty() )
+      attitem->setUri( uri.url() );
+  } else {
+    KURL uri = KPimURLRequesterDlg::getURL( QString::null, i18n(
+         "File to be attached:"), this, i18n("Add Attachment") );
+    if ( !uri.isEmpty() ) {
+          QString tmpFile;
+      if ( KIO::NetAccess::download( uri, tmpFile, this ) ) {
+        QFile f( tmpFile );
+        if ( !f.open( IO_ReadOnly ) )
+          return;
+        QByteArray data = f.readAll();
+        f.close();
+        attitem->setData( KCodecs::base64Encode( data ) );
+        attitem->setMimeType( KIO::NetAccess::mimetype( uri, this ) );
+        QString label = uri.fileName();
+        if ( label.isEmpty() )
+          label = uri.prettyURL();
+        attitem->setLabel( label );
+        KIO::NetAccess::removeTempFile( tmpFile );
+      }
+    }
+  }
+}
+
+void KOEditorAttachments::slotRemove()
+{
+    QValueList<QIconViewItem*> selected;
+    for ( QIconViewItem *it = mAttachments->firstItem( ); it; it = it->nextItem( ) ) {
+        if ( !it->isSelected() ) continue;
+        selected << it;
+    }
+    if ( selected.isEmpty() || KMessageBox::warningContinueCancel(this,
+                    selected.count() == 1?i18n("This item will be permanently deleted."):
+                    i18n("The selected items will be permanently deleted."),
+                    i18n("KOrganizer Confirmation"),KStdGuiItem::del()) != KMessageBox::Continue )
+        return;
+
+    for ( QValueList<QIconViewItem*>::iterator it( selected.begin() ), end( selected.end() ); it != end ; ++it ) {
+        delete *it;
+    }
+}
+
+void KOEditorAttachments::slotShow()
+{
+  for ( QIconViewItem *it = mAttachments->firstItem(); it; it = it->nextItem() ) {
+    if ( !it->isSelected() )
+      continue;
+    showAttachment( it );
+  }
+}
+
+void KOEditorAttachments::setDefaults()
+{
+  mAttachments->clear();
+}
+
+void KOEditorAttachments::addAttachment( const KURL &uri,
+                                         const QString &mimeType, bool asUri )
+{
+  AttachmentListItem *item = new AttachmentListItem( 0, mAttachments );
+  if ( asUri ) {
+    item->setUri( uri.url() );
+    if ( !mimeType.isEmpty() ) item->setMimeType( mimeType );
+  } else {
+    QString tmpFile;
+    if ( KIO::NetAccess::download( uri, tmpFile, this ) ) {
+      QFile f( tmpFile );
+      if ( !f.open( IO_ReadOnly ) )
+        return;
+      QByteArray data = f.readAll();
+      f.close();
+      item->setData( KCodecs::base64Encode( data ) );
+      if ( !mimeType.isEmpty() )
+        item->setMimeType( mimeType );
+      else
+        item->setMimeType( KIO::NetAccess::mimetype( uri, this ) );
+      QString label = uri.fileName();
+      if ( label.isEmpty() )
+        label = uri.prettyURL();
+      item->setLabel( label );
+      KIO::NetAccess::removeTempFile( tmpFile );
+    }
+  }
+}
+
+
+void KOEditorAttachments::addAttachment( KCal::Attachment *attachment )
+{
+  new AttachmentListItem( attachment, mAttachments );
+}
+
+void KOEditorAttachments::readIncidence( KCal::Incidence *i )
+{
+  mAttachments->clear();
+
+  KCal::Attachment::List attachments = i->attachments();
+  KCal::Attachment::List::ConstIterator it;
+  for( it = attachments.begin(); it != attachments.end(); ++it ) {
+    addAttachment( (*it) );
+  }
+  if ( mAttachments->count() > 0 ) {
+    QTimer::singleShot( 0, mAttachments, SLOT(arrangeItemsInGrid()) );
+  }
+}
+
+void KOEditorAttachments::writeIncidence( KCal::Incidence *i )
+{
+  i->clearAttachments();
+
+  QIconViewItem *item;
+  AttachmentListItem *attitem;
+  for( item = mAttachments->firstItem(); item; item = item->nextItem() ) {
+    attitem = static_cast<AttachmentListItem*>(item);
+    if ( attitem )
+      i->addAttachment( new KCal::Attachment( *(attitem->attachment() ) ) );
+  }
+}
+
+
+void KOEditorAttachments::slotCopy()
+{
+    QApplication::clipboard()->setData( mAttachments->dragObject(), QClipboard::Clipboard );
+}
+
+void KOEditorAttachments::slotCut()
+{
+    slotCopy();
+    slotRemove();
+}
+
+void KOEditorAttachments::slotPaste()
+{
+    handlePasteOrDrop( QApplication::clipboard()->data() );
+}
+
+void KOEditorAttachments::selectionChanged()
+{
+  bool selected = false;
+  for ( QIconViewItem *item = mAttachments->firstItem(); item; item = item->nextItem() ) {
+    if ( item->isSelected() ) {
+      selected = true;
+      break;
+    }
+  }
+  mRemoveBtn->setEnabled( selected );
+}
+
+void KOEditorAttachments::contextMenu(QIconViewItem * item, const QPoint & pos)
+{
+  const bool enable = item != 0;
+  mOpenAction->setEnabled( enable );
+  mCopyAction->setEnabled( enable );
+  mCutAction->setEnabled( enable );
+  mContextMenu->exec( pos );
+}
+
+#include "koeditorattachments.moc"