akonadi
collectiondialog_desktop.cpp
00001 /* 00002 Copyright 2008 Ingo Klöcker <kloecker@kde.org> 00003 Copyright 2010 Laurent Montel <montel@kde.org> 00004 00005 This library is free software; you can redistribute it and/or modify it 00006 under the terms of the GNU Library General Public License as published by 00007 the Free Software Foundation; either version 2 of the License, or (at your 00008 option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, but WITHOUT 00011 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public 00013 License for more details. 00014 00015 You should have received a copy of the GNU Library General Public License 00016 along with this library; see the file COPYING.LIB. If not, write to the 00017 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 00018 02110-1301, USA. 00019 */ 00020 00021 #include "collectiondialog.h" 00022 00023 #include "asyncselectionhandler_p.h" 00024 00025 #include <akonadi/changerecorder.h> 00026 #include <akonadi/collectionfetchscope.h> 00027 #include <akonadi/collectionfilterproxymodel.h> 00028 #include <akonadi/entityrightsfiltermodel.h> 00029 #include <akonadi/entitytreemodel.h> 00030 #include <akonadi/entitytreeview.h> 00031 #include <akonadi/session.h> 00032 #include <akonadi/collectioncreatejob.h> 00033 #include <akonadi/collectionutils_p.h> 00034 00035 #include <QtGui/QHeaderView> 00036 #include <QtGui/QLabel> 00037 #include <QtGui/QVBoxLayout> 00038 00039 #include <KLineEdit> 00040 #include <KLocale> 00041 #include <KInputDialog> 00042 #include <KMessageBox> 00043 00044 using namespace Akonadi; 00045 00046 class CollectionDialog::Private 00047 { 00048 public: 00049 Private( QAbstractItemModel *customModel, CollectionDialog *parent, CollectionDialogOptions options ) 00050 : mParent( parent ), 00051 mMonitor( 0 ) 00052 { 00053 // setup GUI 00054 QWidget *widget = mParent->mainWidget(); 00055 QVBoxLayout *layout = new QVBoxLayout( widget ); 00056 00057 changeCollectionDialogOptions( options ); 00058 00059 mTextLabel = new QLabel; 00060 layout->addWidget( mTextLabel ); 00061 mTextLabel->hide(); 00062 00063 KLineEdit* filterCollectionLineEdit = new KLineEdit( widget ); 00064 filterCollectionLineEdit->setClearButtonShown( true ); 00065 filterCollectionLineEdit->setClickMessage( i18nc( "@info/plain Displayed grayed-out inside the " 00066 "textbox, verb to search", "Search" ) ); 00067 layout->addWidget( filterCollectionLineEdit ); 00068 00069 mView = new EntityTreeView; 00070 mView->setDragDropMode( QAbstractItemView::NoDragDrop ); 00071 mView->header()->hide(); 00072 layout->addWidget( mView ); 00073 00074 00075 mParent->enableButton( KDialog::Ok, false ); 00076 00077 // setup models 00078 QAbstractItemModel *baseModel; 00079 00080 if ( customModel ) { 00081 baseModel = customModel; 00082 } else { 00083 mMonitor = new Akonadi::ChangeRecorder( mParent ); 00084 mMonitor->fetchCollection( true ); 00085 mMonitor->setCollectionMonitored( Akonadi::Collection::root() ); 00086 00087 EntityTreeModel *model = new EntityTreeModel( mMonitor, mParent ); 00088 model->setItemPopulationStrategy( EntityTreeModel::NoItemPopulation ); 00089 baseModel = model; 00090 } 00091 00092 mMimeTypeFilterModel = new CollectionFilterProxyModel( mParent ); 00093 mMimeTypeFilterModel->setSourceModel( baseModel ); 00094 00095 mRightsFilterModel = new EntityRightsFilterModel( mParent ); 00096 mRightsFilterModel->setSourceModel( mMimeTypeFilterModel ); 00097 00098 mSelectionHandler = new AsyncSelectionHandler( mRightsFilterModel, mParent ); 00099 mParent->connect( mSelectionHandler, SIGNAL( collectionAvailable( const QModelIndex& ) ), 00100 mParent, SLOT( slotCollectionAvailable( const QModelIndex& ) ) ); 00101 00102 KRecursiveFilterProxyModel* filterCollection = new KRecursiveFilterProxyModel( mParent ); 00103 filterCollection->setDynamicSortFilter( true ); 00104 filterCollection->setSourceModel( mRightsFilterModel ); 00105 filterCollection->setFilterCaseSensitivity( Qt::CaseInsensitive ); 00106 mView->setModel( filterCollection ); 00107 00108 mParent->connect( filterCollectionLineEdit, SIGNAL( textChanged( const QString& ) ), 00109 filterCollection, SLOT( setFilterFixedString( const QString& ) ) ); 00110 00111 mParent->connect( mView->selectionModel(), SIGNAL( selectionChanged( const QItemSelection&, const QItemSelection& ) ), 00112 mParent, SLOT( slotSelectionChanged() ) ); 00113 00114 mParent->connect( mView, SIGNAL( doubleClicked( const QModelIndex& ) ), 00115 mParent, SLOT( accept() ) ); 00116 00117 } 00118 00119 ~Private() 00120 { 00121 } 00122 00123 void slotCollectionAvailable( const QModelIndex &index ) 00124 { 00125 mView->expandAll(); 00126 mView->setCurrentIndex( index ); 00127 } 00128 00129 CollectionDialog *mParent; 00130 00131 ChangeRecorder *mMonitor; 00132 CollectionFilterProxyModel *mMimeTypeFilterModel; 00133 EntityRightsFilterModel *mRightsFilterModel; 00134 EntityTreeView *mView; 00135 AsyncSelectionHandler *mSelectionHandler; 00136 QLabel *mTextLabel; 00137 bool mAllowToCreateNewChildCollection; 00138 00139 void slotSelectionChanged(); 00140 void slotAddChildCollection(); 00141 void slotCollectionCreationResult( KJob* job ); 00142 bool canCreateCollection( const Akonadi::Collection &parentCollection ) const; 00143 void changeCollectionDialogOptions( CollectionDialogOptions options ); 00144 00145 }; 00146 00147 void CollectionDialog::Private::slotSelectionChanged() 00148 { 00149 mParent->enableButton( KDialog::Ok, mView->selectionModel()->selectedIndexes().count() > 0 ); 00150 if ( mAllowToCreateNewChildCollection ) { 00151 const Akonadi::Collection parentCollection = mParent->selectedCollection(); 00152 const bool canCreateChildCollections = canCreateCollection( parentCollection ); 00153 const bool isVirtual = Akonadi::CollectionUtils::isVirtual( parentCollection ); 00154 00155 mParent->enableButton( KDialog::User1, (canCreateChildCollections && !isVirtual) ); 00156 if ( parentCollection.isValid() ) { 00157 const bool canCreateItems = (parentCollection.rights() & Akonadi::Collection::CanCreateItem); 00158 mParent->enableButton( KDialog::Ok, canCreateItems ); 00159 } 00160 } 00161 } 00162 00163 void CollectionDialog::Private::changeCollectionDialogOptions( CollectionDialogOptions options ) 00164 { 00165 mAllowToCreateNewChildCollection = ( options & AllowToCreateNewChildCollection ); 00166 if ( mAllowToCreateNewChildCollection ) { 00167 mParent->setButtons( Ok | Cancel | User1 ); 00168 mParent->setButtonGuiItem( User1, KGuiItem( i18n( "&New Subfolder..." ), QLatin1String( "folder-new" ), 00169 i18n( "Create a new subfolder under the currently selected folder" ) ) ); 00170 mParent->enableButton( KDialog::User1, false ); 00171 connect( mParent, SIGNAL( user1Clicked() ), mParent, SLOT( slotAddChildCollection() ) ); 00172 } 00173 } 00174 00175 00176 00177 bool CollectionDialog::Private::canCreateCollection( const Akonadi::Collection &parentCollection ) const 00178 { 00179 if ( !parentCollection.isValid() ) 00180 return false; 00181 00182 if ( ( parentCollection.rights() & Akonadi::Collection::CanCreateCollection ) ) { 00183 const QStringList dialogMimeTypeFilter = mParent->mimeTypeFilter(); 00184 const QStringList parentCollectionMimeTypes = parentCollection.contentMimeTypes(); 00185 Q_FOREACH ( const QString& mimetype, dialogMimeTypeFilter ) { 00186 if ( parentCollectionMimeTypes.contains( mimetype ) ) 00187 return true; 00188 } 00189 return true; 00190 } 00191 return false; 00192 } 00193 00194 00195 void CollectionDialog::Private::slotAddChildCollection() 00196 { 00197 const Akonadi::Collection parentCollection = mParent->selectedCollection(); 00198 if ( canCreateCollection( parentCollection ) ) { 00199 const QString name = KInputDialog::getText( i18nc( "@title:window", "New Folder" ), 00200 i18nc( "@label:textbox, name of a thing", "Name" ), 00201 QString(), 0, mParent ); 00202 if ( name.isEmpty() ) 00203 return; 00204 00205 Akonadi::Collection collection; 00206 collection.setName( name ); 00207 collection.setParentCollection( parentCollection ); 00208 Akonadi::CollectionCreateJob *job = new Akonadi::CollectionCreateJob( collection ); 00209 connect( job, SIGNAL( result( KJob* ) ), mParent, SLOT( slotCollectionCreationResult( KJob* ) ) ); 00210 } 00211 } 00212 00213 void CollectionDialog::Private::slotCollectionCreationResult( KJob* job ) 00214 { 00215 if ( job->error() ) { 00216 KMessageBox::error( mParent, i18n( "Could not create folder: %1", job->errorString() ), 00217 i18n( "Folder creation failed" ) ); 00218 } 00219 } 00220 00221 00222 00223 CollectionDialog::CollectionDialog( QWidget *parent ) 00224 : KDialog( parent ), 00225 d( new Private( 0, this, CollectionDialog::None ) ) 00226 { 00227 } 00228 00229 CollectionDialog::CollectionDialog( QAbstractItemModel *model, QWidget *parent ) 00230 : KDialog( parent ), 00231 d( new Private( model, this, CollectionDialog::None ) ) 00232 { 00233 } 00234 00235 CollectionDialog::CollectionDialog( CollectionDialogOptions options, QAbstractItemModel *model, QWidget *parent ) 00236 : KDialog( parent ), 00237 d( new Private( model, this, options ) ) 00238 { 00239 } 00240 00241 00242 CollectionDialog::~CollectionDialog() 00243 { 00244 delete d; 00245 } 00246 00247 Akonadi::Collection CollectionDialog::selectedCollection() const 00248 { 00249 if ( selectionMode() == QAbstractItemView::SingleSelection ) { 00250 const QModelIndex index = d->mView->currentIndex(); 00251 if ( index.isValid() ) 00252 return index.model()->data( index, EntityTreeModel::CollectionRole ).value<Collection>(); 00253 } 00254 00255 return Collection(); 00256 } 00257 00258 Akonadi::Collection::List CollectionDialog::selectedCollections() const 00259 { 00260 Collection::List collections; 00261 const QItemSelectionModel *selectionModel = d->mView->selectionModel(); 00262 const QModelIndexList selectedIndexes = selectionModel->selectedIndexes(); 00263 foreach ( const QModelIndex &index, selectedIndexes ) { 00264 if ( index.isValid() ) { 00265 const Collection collection = index.model()->data( index, EntityTreeModel::CollectionRole ).value<Collection>(); 00266 if ( collection.isValid() ) 00267 collections.append( collection ); 00268 } 00269 } 00270 00271 return collections; 00272 } 00273 00274 void CollectionDialog::setMimeTypeFilter( const QStringList &mimeTypes ) 00275 { 00276 d->mMimeTypeFilterModel->clearFilters(); 00277 d->mMimeTypeFilterModel->addMimeTypeFilters( mimeTypes ); 00278 00279 if ( d->mMonitor ) 00280 foreach ( const QString &mimetype, mimeTypes ) 00281 d->mMonitor->setMimeTypeMonitored( mimetype ); 00282 } 00283 00284 QStringList CollectionDialog::mimeTypeFilter() const 00285 { 00286 return d->mMimeTypeFilterModel->mimeTypeFilters(); 00287 } 00288 00289 void CollectionDialog::setAccessRightsFilter( Collection::Rights rights ) 00290 { 00291 d->mRightsFilterModel->setAccessRights( rights ); 00292 } 00293 00294 Akonadi::Collection::Rights CollectionDialog::accessRightsFilter() const 00295 { 00296 return d->mRightsFilterModel->accessRights(); 00297 } 00298 00299 void CollectionDialog::setDescription( const QString &text ) 00300 { 00301 d->mTextLabel->setText( text ); 00302 d->mTextLabel->show(); 00303 } 00304 00305 void CollectionDialog::setDefaultCollection( const Collection &collection ) 00306 { 00307 d->mSelectionHandler->waitForCollection( collection ); 00308 } 00309 00310 void CollectionDialog::setSelectionMode( QAbstractItemView::SelectionMode mode ) 00311 { 00312 d->mView->setSelectionMode( mode ); 00313 } 00314 00315 QAbstractItemView::SelectionMode CollectionDialog::selectionMode() const 00316 { 00317 return d->mView->selectionMode(); 00318 } 00319 00320 void CollectionDialog::changeCollectionDialogOptions( CollectionDialogOptions options ) 00321 { 00322 d->changeCollectionDialogOptions( options ); 00323 } 00324 00325 #include "collectiondialog.moc"