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https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-11-24 00:14:06 +00:00
Use custom mime format for internal data exchange in Favorites tree
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Abs62
parent
21516284a1
commit
e6cd429965
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@ -8,7 +8,6 @@
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#include <QClipboard>
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#include <QDomDocument>
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#include <QMessageBox>
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#include <QMimeData>
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#include <QtAlgorithms>
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#include <QMap>
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@ -771,71 +770,66 @@ void FavoritesModel::checkNodeForExpand( const TreeItem * item, const QModelInde
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QStringList FavoritesModel::mimeTypes() const
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{
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return QStringList( QString::fromLatin1( "text/plain" ) );
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return QStringList( QString::fromLatin1( FAVORITES_MIME_TYPE ) );
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}
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QMimeData *FavoritesModel::mimeData( const QModelIndexList &indexes ) const
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QMimeData *FavoritesModel::mimeData( const QModelIndexList & indexes ) const
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{
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QString headwords;
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QList< QModelIndex >::const_iterator it = indexes.begin();
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for ( ; it != indexes.end(); ++it )
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{
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TreeItem *item = getItem( *it );
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headwords += item->fullPath() + "\n\r";
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headwords += item->data().toString() + "\n\r";
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headwords += QString::number( item->type() ) + "\n\r";
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}
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QMimeData *data = new QMimeData();
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data->setText( headwords );
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FavoritesMimeData *data = new FavoritesMimeData();
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data->setIndexesList( indexes );
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return data;
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}
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bool FavoritesModel::dropMimeData(const QMimeData *data, Qt::DropAction action,
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int row, int, const QModelIndex &par)
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bool FavoritesModel::dropMimeData( const QMimeData *data, Qt::DropAction action,
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int row, int, const QModelIndex &par )
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{
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if( action == Qt::MoveAction || action == Qt::CopyAction )
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{
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QList< QModelIndex > list;
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list = itemsListFromText( data->text() );
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if( list.isEmpty() )
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return false;
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TreeItem * parentItem = getItem( par );
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QModelIndex parentIdx = par;
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if( row < 0 )
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row = 0;
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QList< QModelIndex >::const_iterator it = list.begin();
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QList< TreeItem * > movedItems;
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for( ; it != list.end(); ++it )
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if( data->hasFormat( FAVORITES_MIME_TYPE ) )
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{
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TreeItem * item = getItem( *it );
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FavoritesMimeData const * mimeData = qobject_cast< FavoritesMimeData const * >( data );
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if( mimeData )
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{
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QModelIndexList const & list = mimeData->getIndexesList();
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// Check if we can copy/move this item
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if( parentItem->haveAncestor( item ) || parentItem->haveSameItem( item, action == Qt::MoveAction ) )
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return false;
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if( list.isEmpty() )
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return false;
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movedItems.append( item );
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TreeItem * parentItem = getItem( par );
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QModelIndex parentIdx = par;
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if( row < 0 )
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row = 0;
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QList< QModelIndex >::const_iterator it = list.begin();
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QList< TreeItem * > movedItems;
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for( ; it != list.end(); ++it )
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{
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TreeItem * item = getItem( *it );
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// Check if we can copy/move this item
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if( parentItem->haveAncestor( item ) || parentItem->haveSameItem( item, action == Qt::MoveAction ) )
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return false;
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movedItems.append( item );
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}
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// Insert items to new place
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beginInsertRows( parentIdx, row, row + movedItems.count() - 1 );
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for( int i = 0; i < movedItems.count(); i++ )
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{
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TreeItem * item = movedItems.at( i );
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TreeItem *newItem = item->duplicateItem( parentItem );
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parentItem->insertChild( row + i, newItem );
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}
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endInsertRows();
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dirty = true;
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return true;
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}
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}
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// Insert items to new place
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beginInsertRows( parentIdx, row, row + movedItems.count() - 1 );
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for( int i = 0; i < movedItems.count(); i++ )
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{
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TreeItem * item = movedItems.at( i );
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TreeItem *newItem = item->duplicateItem( parentItem );
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parentItem->insertChild( row + i, newItem );
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}
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endInsertRows();
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dirty = true;
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return true;
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}
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return false;
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}
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@ -853,85 +847,6 @@ QModelIndex FavoritesModel::findItemInFolder( const QString & itemName, int item
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return QModelIndex();
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}
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QModelIndex FavoritesModel::findItem( const QString & path,
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const QString & headword,
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int type )
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{
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TreeItem *par = rootItem;
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if( !path.isEmpty() )
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{
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// Find target folder
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QStringList folders = path.split( "/", QString::SkipEmptyParts );
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QStringList::const_iterator it = folders.begin();
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for( ; it != folders.end(); ++it )
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{
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int i;
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for( i = 0; i < par->childCount(); i++ )
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{
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TreeItem * item = par->child( i );
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QString name = item->data().toString();
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if( *it == name && item->type() == TreeItem::Folder )
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break;
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}
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if( i >= par->childCount() ) // Folder not found
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return QModelIndex();
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par = par->child( i );
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}
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}
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// Find headword/folder in target folder
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for( int i = 0; i < par->childCount(); i++ )
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{
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TreeItem * item = par->child( i );
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QString name = item->data().toString();
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if( name == headword && item->type() == type )
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{
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// Item found, create index
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return createIndex( i, 0, item );
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}
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}
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return QModelIndex();
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}
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QList< QModelIndex > FavoritesModel::itemsListFromText( const QString & text )
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{
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int pos = 0;
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QString delim = QString::fromLatin1( "\n\r" );
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QList< QModelIndex > list;
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for( ; ; )
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{
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int delimPos = text.indexOf( delim, pos );
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if( delimPos < 0 )
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break;
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QString path = text.mid( pos, delimPos - pos );
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pos = delimPos + 2;
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delimPos = text.indexOf( delim, pos );
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if( delimPos < 0 )
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break;
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QString headword = text.mid( pos, delimPos - pos );
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pos = delimPos + 2;
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delimPos = text.indexOf( delim, pos );
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if( delimPos < 0 )
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break;
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int type = text.mid( pos, delimPos - pos ).toInt();
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QModelIndex idx = findItem( path, headword, type );
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if( idx.isValid() )
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list.append( idx );
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pos = delimPos + 2;
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}
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return list;
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}
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TreeItem *FavoritesModel::getItem( const QModelIndex &index ) const
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{
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if( index.isValid() )
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@ -13,6 +13,7 @@
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#include <QMenu>
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#include <QDomNode>
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#include <QList>
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#include <QMimeData>
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#include <config.hh>
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#include "delegate.hh"
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@ -220,14 +221,6 @@ protected:
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QModelIndex findItemInFolder( QString const & itemName, int itemType,
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QModelIndex const & parentIdx );
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// Find item by it params
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QModelIndex findItem( QString const & path,
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QString const & headword,
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int type );
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// Create items list from mime "plait/text" data
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QList< QModelIndex > itemsListFromText( QString const & text );
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TreeItem *getItem( const QModelIndex &index ) const;
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// Find folder with given name or create it if folder not exist
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@ -247,4 +240,30 @@ private:
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bool dirty;
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};
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#define FAVORITES_MIME_TYPE "application/x-goldendict-tree-items"
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class FavoritesMimeData : public QMimeData
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{
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Q_OBJECT
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public:
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FavoritesMimeData() : QMimeData()
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{}
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virtual QStringList formats() const
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{ return QStringList( QString::fromLatin1( FAVORITES_MIME_TYPE ) ); }
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virtual bool hasFormat(const QString & mimetype) const
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{ return mimetype.compare( QString::fromLatin1( FAVORITES_MIME_TYPE ) ) == 0; }
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void setIndexesList( QModelIndexList const & list )
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{ indexes.clear(); indexes = list; }
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QModelIndexList const & getIndexesList() const
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{ return indexes; }
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private:
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QStringList mimeFormats;
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QModelIndexList indexes;
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};
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#endif // __FAVORITIESPANEWIDGET_HH__INCLUDED__
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