performanceenhancements by removing unnecessary refreshs

1 files changed, 34 insertions, 32 deletions

diff --git a/kaddressbook/viewmanager.cpp b/kaddressbook/viewmanager.cpp
index e8c5b45..bec1862 100644
--- a/kaddressbook/viewmanager.cpp
+++ b/kaddressbook/viewmanager.cpp
@@ -40,646 +40,648 @@ $Id$
 #include <kmultipledrag.h>
 #include <ktrader.h>
 #include <kurldrag.h>
 
 #include "addresseeutil.h"
 #else //KAB_EMBEDDED
 #include "views/kaddressbookiconview.h"
 #include "views/kaddressbooktableview.h"
 #include "views/kaddressbookcardview.h"
 #include "kaddressbookview.h"
 
 #include <qaction.h>
 #include <qmessagebox.h>
 #include <qpopupmenu.h>
 #include <kconfigbase.h>
 
 #endif //KAB_EMBEDDED
 
 
 #include <kdebug.h>
 #include <kactionclasses.h>
 
 #include <qlayout.h>
 #include <qwidgetstack.h>
 
 #include <kabc/addressbook.h>
 #include "filtereditdialog.h"
 #include "addviewdialog.h"
 #include "kabcore.h"
 #include "kabprefs.h"
 #include "viewmanager.h"
 
 ViewManager::ViewManager( KABCore *core, QWidget *parent, const char *name )
   : QWidget( parent, name ), mCore( core ), mActiveView( 0 )
 {
   initGUI();
   initActions();
 
   mViewDict.setAutoDelete( true );
 
   createViewFactories();
 }
 
 ViewManager::~ViewManager()
 {
   unloadViews();
   mViewFactoryDict.clear();
 }
 
 void ViewManager::restoreSettings()
 {
   mViewNameList = KABPrefs::instance()->mViewNames;
   QString activeViewName = KABPrefs::instance()->mCurrentView;
 
   mActionSelectView->setItems( mViewNameList );
 
   // Filter
   mFilterList = Filter::restore( mCore->config(), "Filter" );
   mActionSelectFilter->setItems( filterNames() );
   mActionSelectFilter->setCurrentItem( KABPrefs::instance()->mCurrentFilter );
 
   // Tell the views to reread their config, since they may have
   // been modified by global settings
   QString _oldgroup = mCore->config()->group();
-  
+
   QDictIterator<KAddressBookView> it( mViewDict );
   for ( it.toFirst(); it.current(); ++it ) {
     KConfigGroupSaver saver( mCore->config(), it.currentKey() );
     it.current()->readConfig( mCore->config() );
   }
   setActiveView( activeViewName );
 
   mActionDeleteView->setEnabled( mViewNameList.count() > 1 );
 }
 
 void ViewManager::saveSettings()
 {
   QString _oldgroup = mCore->config()->group();
-  
+
   QDictIterator<KAddressBookView> it( mViewDict );
   for ( it.toFirst(); it.current(); ++it ) {
     KConfigGroupSaver saver( mCore->config(), it.currentKey() );
 #ifdef DESKTOP_VERSION
     (*it)->writeConfig( mCore->config() );
 #else
     (*it).writeConfig( mCore->config() );
 #endif
   }
-  
+
   Filter::save( mCore->config(), "Filter", mFilterList );
   KABPrefs::instance()->mCurrentFilter = mActionSelectFilter->currentItem();
 
   // write the view name list
   KABPrefs::instance()->mViewNames = mViewNameList;
   KABPrefs::instance()->mCurrentView = mActiveView->caption();
 
 }
 
 QStringList ViewManager::selectedUids() const
 {
   if ( mActiveView )
     return mActiveView->selectedUids();
   else
     return QStringList();
 }
 
 QStringList ViewManager::selectedEmails() const
 {
   if ( mActiveView )
     return mActiveView->selectedEmails();
   else
     return QStringList();
 }
 
 KABC::Addressee::List ViewManager::selectedAddressees() const
 {
   KABC::Addressee::List list;
   if ( mActiveView ) {
     QStringList uids = mActiveView->selectedUids();
     QStringList::Iterator it;
     for ( it = uids.begin(); it != uids.end(); ++it ) {
       KABC::Addressee addr = mCore->addressBook()->findByUid( *it );
       if ( !addr.isEmpty() )
         list.append( addr );
     }
   }
 
   return list;
 }
-//US added another method with no parameter, since my moc compiler does not support default parameters.    
+//US added another method with no parameter, since my moc compiler does not support default parameters.
 void ViewManager::setSelected()
 {
   setSelected( QString::null, true );
 }
 
 void ViewManager::setSelected( const QString &uid, bool selected )
 {
   if ( mActiveView )
     mActiveView->setSelected( uid, selected );
 }
 
 void ViewManager::unloadViews()
 {
   mViewDict.clear();
   mActiveView = 0;
 }
 
 void ViewManager::setActiveView( const QString &name )
 {
   KAddressBookView *view = 0;
 
   // Check that this isn't the same as the current active view
   if ( mActiveView && ( mActiveView->caption() == name ) )
     return;
 
   // At this point we know the view that should be active is not
   // currently active. We will try to find the new on in the list. If
   // we can't find it, it means it hasn't been instantiated, so we will
   // create it on demand.
 
   view = mViewDict.find( name );
 
   // Check if we found the view. If we didn't, then we need to create it
   if ( view == 0 ) {
     KConfig *config = mCore->config();
 
     KConfigGroupSaver saver( config, name );
 
     QString type = config->readEntry( "Type", "Table" );
-    
+
     kdDebug(5720) << "ViewManager::setActiveView: creating view - " << name << endl;
 
     ViewFactory *factory = mViewFactoryDict.find( type );
     if ( factory )
       view = factory->view( mCore->addressBook(), mViewWidgetStack );
-      
+
     if ( view ) {
       view->setCaption( name );
       mViewDict.insert( name, view );
 //US my version needs an int as second parameter to addWidget
       mViewWidgetStack->addWidget( view, -1 );
       view->readConfig( config );
 
       // The manager just relays the signals
       connect( view, SIGNAL( selected( const QString& ) ),
                SIGNAL( selected( const QString & ) ) );
         connect( view, SIGNAL( executed( const QString& ) ),
              SIGNAL( executed( const QString& ) ) );
-        
+
         connect( view, SIGNAL( deleteRequest( ) ),
              SIGNAL( deleteRequest(  ) ) );
-        
+
       connect( view, SIGNAL( modified() ), SIGNAL( modified() ) );
       connect( view, SIGNAL( dropped( QDropEvent* ) ),
                SLOT( dropped( QDropEvent* ) ) );
       connect( view, SIGNAL( startDrag() ), SLOT( startDrag() ) );
     }
   }
-  
+
   // If we found or created the view, raise it and refresh it
   if ( view ) {
     mActiveView = view;
     mViewWidgetStack->raiseWidget( view );
     // Set the proper filter in the view. By setting the combo
     // box, the activated slot will be called, which will push
     // the filter to the view and refresh it.
 
     if ( view->defaultFilterType() == KAddressBookView::None ) {
 
       mActionSelectFilter->setCurrentItem( 0 );
       setActiveFilter( 0 );
     } else if ( view->defaultFilterType() == KAddressBookView::Active ) {
       setActiveFilter( mActionSelectFilter->currentItem() );
     } else {
       uint pos = filterPosition( view->defaultFilterName() );
       mActionSelectFilter->setCurrentItem( pos );
       setActiveFilter( pos );
     }
 //US  qDebug("ViewManager::setActiveView 6" );
-    
+
     // Update the inc search widget to show the fields in the new active
     // view.
     mCore->setSearchFields( mActiveView->fields() );
 
-    mActiveView->refresh();
+//US performance optimization. setActiveFilter calls also mActiveView->refresh()
+//US mActiveView->refresh();
 
   }
   else
   {
   qDebug("ViewManager::setActiveView: unable to find view" );
     kdDebug(5720) << "ViewManager::setActiveView: unable to find view\n";
   }
 }
 
-//US added another method with no parameter, since my moc compiler does not support default parameters.    
+//US added another method with no parameter, since my moc compiler does not support default parameters.
 void ViewManager::refreshView()
 {
   refreshView( QString::null );
 }
 
 void ViewManager::refreshView( const QString &uid )
 {
   if ( mActiveView )
     mActiveView->refresh( uid );
 }
 
 void ViewManager::editView()
 {
   if ( !mActiveView )
     return;
 
   ViewFactory *factory = mViewFactoryDict.find( mActiveView->type() );
   ViewConfigureWidget *wdg = 0;
   ViewConfigureDialog* dlg = 0;
   if ( factory ) {
     // Save the filters so the dialog has the latest set
     Filter::save( mCore->config(), "Filter", mFilterList );
     dlg = new  ViewConfigureDialog( 0, mActiveView->caption(), this, "conf_dlg" );
     wdg = factory->configureWidget( mCore->addressBook(), dlg,"conf_wid" );
   } else {
       qDebug("ViewManager::editView()::cannot find viewfactory ");
       return;
   }
   if ( wdg ) {
      dlg->setWidget( wdg );
 
-#ifndef DESKTOP_VERSION    
+#ifndef DESKTOP_VERSION
     //dlg.setMaximumSize( 640, 480 );
     //dlg->setGeometry( 40,40, 400, 300);
     dlg->showMaximized();
 #endif
-    
+
     KConfigGroupSaver saver( mCore->config(), mActiveView->caption() );
-    
+
     dlg->restoreSettings( mCore->config() );
 
     if ( dlg->exec() ) {
       dlg->saveSettings( mCore->config() );
       mActiveView->readConfig( mCore->config() );
-      
+
       // Set the proper filter in the view. By setting the combo
       // box, the activated slot will be called, which will push
       // the filter to the view and refresh it.
       if ( mActiveView->defaultFilterType() == KAddressBookView::None ) {
         mActionSelectFilter->setCurrentItem( 0 );
         setActiveFilter( 0 );
       } else if ( mActiveView->defaultFilterType() == KAddressBookView::Active ) {
         setActiveFilter( mActionSelectFilter->currentItem() );
       } else {
         uint pos = filterPosition( mActiveView->defaultFilterName() );
         mActionSelectFilter->setCurrentItem( pos );
         setActiveFilter( pos );
       }
       mCore->setSearchFields( mActiveView->fields() );
-      mActiveView->refresh();
+//US performance optimization. setActiveFilter calls also mActiveView->refresh()
+//US      mActiveView->refresh();
     }
-    
+
   }
   delete dlg;
 }
 
 void ViewManager::deleteView()
 {
   QString text = i18n( "<qt>Are you sure that you want to delete the view <b>%1</b>?</qt>" )
                      .arg( mActiveView->caption() );
   QString caption = i18n( "Confirm Delete" );
 
-  
+
    if (QMessageBox::information( this, caption,
                                       text,
                                       i18n("Yes!"), i18n("No"), 0, 0 ) == 0)
    {
     mViewNameList.remove( mActiveView->caption() );
 
     // remove the view from the config file
     KConfig *config = mCore->config();
     config->deleteGroup( mActiveView->caption() );
 
     mViewDict.remove( mActiveView->caption() );
     mActiveView = 0;
 
     // we are in an invalid state now, but that should be fixed after
     // we emit the signal
     mActionSelectView->setItems( mViewNameList );
     if ( mViewNameList.count() > 0 ) {
       mActionSelectView->setCurrentItem( 0 );
       setActiveView( mViewNameList[ 0 ] );
     }
     mActionDeleteView->setEnabled( mViewNameList.count() > 1 );
   }
 }
 
 void ViewManager::addView()
 {
   AddViewDialog dialog( &mViewFactoryDict, this );
 
   if ( dialog.exec() ) {
     QString newName = dialog.viewName();
     QString type = dialog.viewType();
 
     // Check for name conflicts
     bool firstConflict = true;
     int numTries = 1;
     while ( mViewNameList.contains( newName ) > 0 ) {
       if ( !firstConflict ) {
         newName = newName.left( newName.length() - 4 );
         firstConflict = false;
       }
 
       newName = QString( "%1 <%2>" ).arg( newName ).arg( numTries );
       numTries++;
     }
 
     // Add the new one to the list
     mViewNameList.append( newName );
 
     // write the view to the config file,
     KConfig *config = mCore->config();
-    
+
     config->deleteGroup( newName );
 
     KConfigGroupSaver saver( config, newName );
-    
+
     config->writeEntry( "Type", type );
-        
+
     // try to set the active view
     mActionSelectView->setItems( mViewNameList );
     mActionSelectView->setCurrentItem( mViewNameList.findIndex( newName ) );
     setActiveView( newName );
 
     editView();
 
     mActionDeleteView->setEnabled( mViewNameList.count() > 1 );
   }
 }
 
 void ViewManager::createViewFactories()
 {
 #ifndef KAB_EMBEDDED
   KTrader::OfferList plugins = KTrader::self()->query( "KAddressBook/View" );
   KTrader::OfferList::ConstIterator it;
   for ( it = plugins.begin(); it != plugins.end(); ++it ) {
     if ( !(*it)->hasServiceType( "KAddressBook/View" ) )
       continue;
 
     KLibFactory *factory = KLibLoader::self()->factory( (*it)->library().latin1() );
 
     if ( !factory ) {
       kdDebug(5720) << "ViewManager::createViewFactories(): Factory creation failed" << endl;
       continue;
     }
 
     ViewFactory *viewFactory = static_cast<ViewFactory*>( factory );
 
     if ( !viewFactory ) {
       kdDebug(5720) << "ViewManager::createViewFactories(): Cast failed" << endl;
       continue;
     }
 
     mViewFactoryDict.insert( viewFactory->type(), viewFactory );
   }
 
 #else //KAB_EMBEDDED
   ViewFactory* viewFactory = new IconViewFactory();
   mViewFactoryDict.insert( viewFactory->type(), viewFactory );
 //  qDebug("ViewManager::createViewFactories() Loading factory: %s", viewFactory->type().latin1());
 
   viewFactory = new TableViewFactory();
   mViewFactoryDict.insert( viewFactory->type(), viewFactory );
 //  qDebug("ViewManager::createViewFactories() Loading factory: %s", viewFactory->type().latin1());
 
   viewFactory = new CardViewFactory();
   mViewFactoryDict.insert( viewFactory->type(), viewFactory );
 //  qDebug("ViewManager::createViewFactories() Loading factory: %s", viewFactory->type().latin1());
 
 #endif //KAB_EMBEDDED
-  
+
 }
 
 void ViewManager::dropped( QDropEvent *e )
 {
   kdDebug(5720) << "ViewManager::dropped: got a drop event" << endl;
 
 #ifndef KAB_EMBEDDED
-  
+
   QString clipText, vcards;
   KURL::List urls;
 
   if ( KURLDrag::decode( e, urls) ) {
     KURL::List::Iterator it = urls.begin();
     int c = urls.count();
     if ( c > 1 ) {
       QString questionString = i18n( "Import one contact into your addressbook?", "Import %n contacts into your addressbook?", c );
       if ( KMessageBox::questionYesNo( this, questionString, i18n( "Import Contacts?" ) ) == KMessageBox::Yes ) {
         for ( ; it != urls.end(); ++it )
           emit urlDropped( *it );
       }
     } else if ( c == 1 )
       emit urlDropped( *it );
   } else if ( KVCardDrag::decode( e, vcards ) ) {
     KABC::Addressee addr;
     KABC::VCardConverter converter;
     QStringList list = QStringList::split( "\r\n\r\n", vcards );
     QStringList::Iterator it;
     for ( it = list.begin(); it != list.end(); ++it ) {
       if ( converter.vCardToAddressee( (*it).stripWhiteSpace(), addr ) ) {
         KABC::Addressee a = mCore->addressBook()->findByUid( addr.uid() );
         if ( a.isEmpty() ) {
           mCore->addressBook()->insertAddressee( addr );
           emit modified();
         }
       }
     }
 
     mActiveView->refresh();
   }
 #else //KAB_EMBEDDED
 qDebug("ViewManager::dropped() has to be changed!!" );
 #endif //KAB_EMBEDDED
-  
+
 }
 
 void ViewManager::startDrag()
 {
   kdDebug(5720) << "ViewManager::startDrag: starting to drag" << endl;
 
 #ifndef KAB_EMBEDDED
 
   // Get the list of all the selected addressees
   KABC::Addressee::List addrList;
   QStringList uidList = selectedUids();
   QStringList::Iterator iter;
   for ( iter = uidList.begin(); iter != uidList.end(); ++iter )
     addrList.append( mCore->addressBook()->findByUid( *iter ) );
 
   KMultipleDrag *drag = new KMultipleDrag( this );
   drag->addDragObject( new QTextDrag( AddresseeUtil::addresseesToClipboard(addrList), this ) );
   KABC::Addressee::List::Iterator it;
   QStringList vcards;
   for ( it = addrList.begin(); it != addrList.end(); ++it ) {
     QString vcard = QString::null;
     KABC::VCardConverter converter;
     if ( converter.addresseeToVCard( *it, vcard ) )
       vcards.append( vcard );
   }
   drag->addDragObject( new KVCardDrag( vcards.join( "\r\n" ), this ) );
 
   drag->setPixmap( KGlobal::iconLoader()->loadIcon( "vcard", KIcon::Desktop ) );
   drag->dragCopy();
 
 #else //KAB_EMBEDDED
 qDebug("ViewManager::startDrag() has to be changed!!" );
 #endif //KAB_EMBEDDED
 
 }
 
 void ViewManager::setActiveFilter( int index )
 {
   Filter currentFilter;
 
   if ( ( index - 1 ) < 0 )
     currentFilter = Filter();
   else
     currentFilter = mFilterList[ index - 1 ];
 
   // Check if we have a view. Since the filter combo is created before
   // the view, this slot could be called before there is a valid view.
   if ( mActiveView ) {
     mActiveView->setFilter( currentFilter );
     mActiveView->refresh();
     emit selected( QString::null );
   }
 }
 
 void ViewManager::configureFilters()
 {
   FilterDialog dlg( this );
 
   dlg.setFilters( mFilterList );
 
   if ( dlg.exec() )
     mFilterList = dlg.filters();
 
   uint pos = mActionSelectFilter->currentItem();
   mActionSelectFilter->setItems( filterNames() );
   mActionSelectFilter->setCurrentItem( pos );
   setActiveFilter( pos );
 }
 
 QStringList ViewManager::filterNames() const
 {
   QStringList names( i18n( "No Filter" ) );
 
   Filter::List::ConstIterator it;
   for ( it = mFilterList.begin(); it != mFilterList.end(); ++it )
     names.append( (*it).name() );
 
   return names;
 }
 
 int ViewManager::filterPosition( const QString &name ) const
 {
   int pos = 0;
 
   Filter::List::ConstIterator it;
   for ( it = mFilterList.begin(); it != mFilterList.end(); ++it, ++pos )
     if ( name == (*it).name() )
       return pos + 1;
 
   return 0;
 }
 
 void ViewManager::initActions()
 {
-//US      <ActionList name="view_loadedviews"/> 
+//US      <ActionList name="view_loadedviews"/>
 //US      <Separator/>
 
 #ifdef KAB_EMBEDDED
   QPopupMenu *viewmenu = (QPopupMenu*)mCore->getViewMenu();
   QPopupMenu *settingsmenu = (QPopupMenu*)mCore->getSettingsMenu();
   QPopupMenu *filtermenu = (QPopupMenu*)mCore->getFilterMenu();
 #endif //KAB_EMBEDDED
-  
+
   mActionSelectView = new KSelectAction( i18n( "Select View" ), 0, mCore->actionCollection(), "select_view" );
 #if KDE_VERSION >= 309
   mActionSelectView->setMenuAccelsEnabled( false );
 #endif
   connect( mActionSelectView, SIGNAL( activated( const QString& ) ),
            SLOT( setActiveView( const QString& ) ) );
 
-           
+
 #ifdef KAB_EMBEDDED
   mActionSelectView->plug(viewmenu);
   viewmenu->insertSeparator();
 #endif //KAB_EMBEDDED
-           
+
   KAction *action;
 
   action = new KAction( i18n( "Modify View..." ), "configure", 0, this,
                SLOT( editView() ), mCore->actionCollection(), "view_modify" );
 #ifndef KAB_EMBEDDED
   action->setWhatsThis( i18n( "By pressing this button a dialog opens that allows you to modify the view of the addressbook. There you can add or remove fields that you want to be shown or hidden in the addressbook like the name for example." ) );
 #else //KAB_EMBEDDED
   action->plug(viewmenu);
 #endif //KAB_EMBEDDED
 
   action = new KAction( i18n( "Add View..." ), "window_new", 0, this,
                SLOT( addView() ), mCore->actionCollection(), "view_add" );
 #ifndef KAB_EMBEDDED
   action->setWhatsThis( i18n( "You can add a new view by choosing one of the dialog that appears after pressing the button. You have to give the view a name, so that you can distinguish between the different views." ) );
 #else //KAB_EMBEDDED
   action->plug(viewmenu);
 #endif //KAB_EMBEDDED
 
   mActionDeleteView = new KAction( i18n( "Delete View" ), "view_remove", 0,
                                    this, SLOT( deleteView() ),
                                    mCore->actionCollection(), "view_delete" );
 #ifndef KAB_EMBEDDED
   mActionDeleteView->setWhatsThis( i18n( "By pressing this button you can delete the actual view, which you have added before." ) );
 #else //KAB_EMBEDDED
   mActionDeleteView->plug(viewmenu);
   viewmenu->insertSeparator();
 #endif //KAB_EMBEDDED
 
 #ifndef KAB_EMBEDDED
   action = new KAction( i18n( "Refresh View" ), "reload", 0, this,
                SLOT( refreshView(const QString &) ), mCore->actionCollection(),
                "view_refresh" );
   action->setWhatsThis( i18n( "The view will be refreshed by pressing this button." ) );
 #else //KAB_EMBEDDED
   action = new KAction( i18n( "Refresh View" ), "reload", 0, this,
                SLOT( refreshView()), mCore->actionCollection(),
                "view_refresh" );
   action->plug(viewmenu);
   viewmenu->insertSeparator();
 #endif //KAB_EMBEDDED
 
   action = new KAction( i18n( "Edit &Filters..." ), "filter", 0, this,
                SLOT( configureFilters() ), mCore->actionCollection(),
                "options_edit_filters" );
 
-  mActionSelectFilter = new KSelectAction( i18n( "Select Filter" ), "filter", mCore->actionCollection(), "select_filter" ); 
- 
+  mActionSelectFilter = new KSelectAction( i18n( "Select Filter" ), "filter", mCore->actionCollection(), "select_filter" );
+
 #if KDE_VERSION >= 309
   mActionSelectFilter->setMenuAccelsEnabled( false );
 #endif
   connect( mActionSelectFilter, SIGNAL( activated( int ) ),
            SLOT( setActiveFilter( int ) ) );
 
 #ifdef KAB_EMBEDDED
   action->plug(settingsmenu);
   mActionSelectFilter->plug(viewmenu);
 #endif //KAB_EMBEDDED
-           
+
 }
 
 void ViewManager::initGUI()
 {
     QHBoxLayout *layout = new QHBoxLayout( this, 0, 0 );
   mViewWidgetStack = new QWidgetStack( this );
   layout->addWidget( mViewWidgetStack );
 }
 
 #ifndef KAB_EMBEDDED
 #include "viewmanager.moc"
 #endif //KAB_EMBEDDED