KDGantt::ProxyModel

KDGantt::ProxyModel Class Reference

#include <kdganttproxymodel.h>

Inheritance diagram for KDGantt::ProxyModel:

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Collaboration diagram for KDGantt::ProxyModel:

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List of all members.

Detailed Description

Definition at line 31 of file kdganttproxymodel.h.


Public Member Functions

int column (int ganttrole) const
int columnCount (const QModelIndex &idx) const
QVariant data (const QModelIndex &idx, int role=Qt::DisplayRole) const
QModelIndex index (int row, int column, const QModelIndex &parent=QModelIndex()) const
QModelIndex mapFromSource (const QModelIndex &idx) const
QModelIndex mapToSource (const QModelIndex &proxyIdx) const
QModelIndex parent (const QModelIndex &idx) const
 ProxyModel (QObject *parent=0)
int role (int ganttrole) const
int rowCount (const QModelIndex &idx) const
void setColumn (int ganttrole, int col)
bool setData (const QModelIndex &idx, const QVariant &value, int role=Qt::EditRole)
void setRole (int ganttrole, int role)
void setSourceModel (QAbstractItemModel *model)
virtual ~ProxyModel ()

Protected Slots

virtual void sourceColumnsAboutToBeInserted (const QModelIndex &idx, int start, int end)
virtual void sourceColumnsAboutToBeRemoved (const QModelIndex &idx, int start, int end)
virtual void sourceColumnsInserted (const QModelIndex &idx, int start, int end)
virtual void sourceColumnsRemoved (const QModelIndex &idx, int start, int end)
virtual void sourceDataChanged (const QModelIndex &from, const QModelIndex &to)
virtual void sourceLayoutAboutToBeChanged ()
virtual void sourceLayoutChanged ()
virtual void sourceModelAboutToBeReset ()
virtual void sourceModelReset ()
virtual void sourceRowsAboutToBeInserted (const QModelIndex &idx, int start, int end)
virtual void sourceRowsAboutToBeRemoved (const QModelIndex &, int start, int end)
virtual void sourceRowsInserted (const QModelIndex &idx, int start, int end)
virtual void sourceRowsRemoved (const QModelIndex &, int start, int end)

Constructor & Destructor Documentation

ProxyModel::ProxyModel ( QObject *  parent = 0  )  [explicit]

Definition at line 55 of file kdganttproxymodel.cpp.

References StockDiagram::init().

00056     : BASE( parent ), _d( new Private( this ) )
00057 {
00058     init();
00059 }

ProxyModel::~ProxyModel (  )  [virtual]

Definition at line 61 of file kdganttproxymodel.cpp.

00062 {
00063     delete _d; _d = 0;
00064 }

Member Function Documentation

int ProxyModel::column ( int  ganttrole  )  const

Definition at line 114 of file kdganttproxymodel.cpp.

References d.

00115 {
00116     return d->columnMap[ganttrole];
00117 }

int ProxyModel::columnCount ( const QModelIndex &  idx  )  const

See also:
QAbstractItemModel::columnCount

Reimplemented from KDGantt::ForwardingProxyModel.

Definition at line 150 of file kdganttproxymodel.cpp.

References mapToSource().

00151 {
00152     return qMin( sourceModel()->columnCount( mapToSource( proxyIndex ) ), 1 );
00153 }

QVariant ProxyModel::data ( const QModelIndex &  idx,
int  role = Qt::DisplayRole 
) const

Definition at line 155 of file kdganttproxymodel.cpp.

References d, KDGantt::ForwardingProxyModel::index(), and mapToSource().

00156 {
00157     int srole = role;
00158     int scol  = proxyIdx.column();
00159     QHash<int, int>::const_iterator it = d->roleMap.find( role );
00160     if ( it != d->roleMap.end() ) srole = *it;
00161     it = d->columnMap.find( role );
00162     if ( it != d->columnMap.end() ) scol = *it;
00163 
00164 #if 0
00165     qDebug() << "mapping role"<<static_cast<ItemDataRole>(role)<<"to"<<static_cast<ItemDataRole>(srole);
00166     qDebug() << "mapping column"<<proxyIdx.column()<<"to"<<scol
00167              << "value="<<sourceModel()->data( sourceModel()->index( proxyIdx.row(), scol, mapToSource( proxyIdx.parent() ) ), srole );
00168 #endif
00169 
00170     const QAbstractItemModel* model = sourceModel();
00171     return model->data( model->index( proxyIdx.row(), scol, mapToSource( proxyIdx.parent() ) ), srole );
00172 }

QModelIndex ForwardingProxyModel::index ( int  row,
int  column,
const QModelIndex &  parent = QModelIndex() 
) const [inherited]

See also:
QAbstractItemModel::index

Definition at line 261 of file kdganttforwardingproxymodel.cpp.

References KDGantt::ForwardingProxyModel::mapFromSource(), and KDGantt::ForwardingProxyModel::mapToSource().

Referenced by data(), and KDAB_SCOPED_UNITTEST_SIMPLE().

00262 {
00263     return mapFromSource( sourceModel()->index( row, column, mapToSource( parent ) ) );
00264 }

QModelIndex ProxyModel::mapFromSource ( const QModelIndex &  sourceIndex  )  const

Converts indexes in the source model to indexes in the proxy model

Reimplemented from KDGantt::ForwardingProxyModel.

Definition at line 72 of file kdganttproxymodel.cpp.

00073 {
00074 #if 0
00075     if( sourceIdx.isValid() ) {
00076         if ( calendarMode() ) {
00077             const QAbstractItemModel* model = sourceIdx.model();
00078             if ( model->hasChildren( sourceIdx ) ) {
00079                 return BASE::mapFromSource( model->index( sourceIdx.row(),0,sourceIdx.parent()));
00080             } else {
00081                 // Map children to columns
00082                 return BASE::mapFromSource( model->index( sourceIdx.row(),0,sourceIdx.parent()))
00083                     .child( 0, sourceIdx.column() );
00084             }
00085         }
00086         return BASE::mapFromSource( sourceIdx.model()->index( sourceIdx.row(),0,sourceIdx.parent()));
00087     }
00088     else return QModelIndex();
00089 #else
00090     return BASE::mapFromSource( sourceIdx.model()?sourceIdx.model()->index( sourceIdx.row(),0,sourceIdx.parent()):QModelIndex());
00091 #endif
00092 }

QModelIndex ProxyModel::mapToSource ( const QModelIndex &  proxyIndex  )  const

Converts indexes in the proxy model to indexes in the source model

Reimplemented from KDGantt::ForwardingProxyModel.

Definition at line 94 of file kdganttproxymodel.cpp.

Referenced by columnCount(), data(), and setData().

00095 {
00096 #if 0
00097     if( proxyIdx.isValid() ) {
00098         if ( calendarMode() && proxyIdx.column() > 0 ) {
00099             return BASE::mapToSource( proxyIdx.model()->index( proxyIdx.column(), 0, proxyIdx ) );
00100         }
00101         return BASE::mapToSource( proxyIdx );
00102     }
00103     else return QModelIndex();
00104 #else
00105     return BASE::mapToSource( proxyIdx );
00106 #endif
00107 }

QModelIndex ForwardingProxyModel::parent ( const QModelIndex &  idx  )  const [inherited]

See also:
QAbstractItemModel::parent

Definition at line 267 of file kdganttforwardingproxymodel.cpp.

References KDGantt::ForwardingProxyModel::mapFromSource(), and KDGantt::ForwardingProxyModel::mapToSource().

00268 {
00269     return mapFromSource( sourceModel()->parent( mapToSource( idx ) ) );
00270 }

int ProxyModel::role ( int  ganttrole  )  const

Definition at line 124 of file kdganttproxymodel.cpp.

References d.

00125 {
00126     return d->roleMap[ganttrole];
00127 }

int ProxyModel::rowCount ( const QModelIndex &  idx  )  const

See also:
QAbstractItemModel::rowCount

Reimplemented from KDGantt::ForwardingProxyModel.

Definition at line 144 of file kdganttproxymodel.cpp.

00145 {
00146     // TODO
00147     return BASE::rowCount( proxyIndex );
00148 }

void ProxyModel::setColumn ( int  ganttrole,
int  col 
)

Definition at line 109 of file kdganttproxymodel.cpp.

References d.

00110 {
00111     d->columnMap[ganttrole] = col;
00112 }

bool ProxyModel::setData ( const QModelIndex &  index,
const QVariant &  value,
int  role = Qt::EditRole 
)

See also:
QAbstractItemModel::setData

Reimplemented from KDGantt::ForwardingProxyModel.

Definition at line 174 of file kdganttproxymodel.cpp.

References d, and mapToSource().

00175 {
00176     int srole = role;
00177     int scol  = proxyIdx.column();
00178     QHash<int, int>::const_iterator it = d->roleMap.find( role );
00179     if ( it != d->roleMap.end() ) srole = *it;
00180     it = d->columnMap.find( role );
00181     if ( it != d->columnMap.end() ) scol = *it;
00182 
00183     QAbstractItemModel* model = sourceModel();
00184     return model->setData( model->index( proxyIdx.row(), scol, mapToSource( proxyIdx.parent() ) ), value, srole );
00185 }

void ProxyModel::setRole ( int  ganttrole,
int  role 
)

Definition at line 119 of file kdganttproxymodel.cpp.

References d.

00120 {
00121     d->roleMap[ganttrole] = role;
00122 }

void ForwardingProxyModel::setSourceModel ( QAbstractItemModel *  model  )  [inherited]

Sets the model to be used as the source model for this proxy. The proxy does not take ownership of the model.

See also:
QAbstractProxyModel::setSourceModel

Reimplemented in KDGantt::SummaryHandlingProxyModel.

Definition at line 88 of file kdganttforwardingproxymodel.cpp.

References KDGantt::ForwardingProxyModel::sourceColumnsAboutToBeInserted(), KDGantt::ForwardingProxyModel::sourceColumnsAboutToBeRemoved(), KDGantt::ForwardingProxyModel::sourceColumnsInserted(), KDGantt::ForwardingProxyModel::sourceColumnsRemoved(), KDGantt::ForwardingProxyModel::sourceDataChanged(), KDGantt::ForwardingProxyModel::sourceLayoutAboutToBeChanged(), KDGantt::ForwardingProxyModel::sourceLayoutChanged(), KDGantt::ForwardingProxyModel::sourceModelAboutToBeReset(), KDGantt::ForwardingProxyModel::sourceModelReset(), KDGantt::ForwardingProxyModel::sourceRowsAboutToBeInserted(), KDGantt::ForwardingProxyModel::sourceRowsAboutToBeRemoved(), KDGantt::ForwardingProxyModel::sourceRowsInserted(), and KDGantt::ForwardingProxyModel::sourceRowsRemoved().

00089 {
00090     if ( sourceModel() ) sourceModel()->disconnect( this );
00091     BASE::setSourceModel( model );
00092 
00093     if(!model) return;
00094 
00095     connect( model, SIGNAL(modelAboutToBeReset()), this, SLOT(sourceModelAboutToBeReset()) );
00096     connect( model, SIGNAL(modelReset()), this, SLOT(sourceModelReset()) );
00097     connect( model, SIGNAL(layoutAboutToBeChanged()), this, SLOT(sourceLayoutAboutToBeChanged()) );
00098     connect( model, SIGNAL(layoutChanged()), this, SLOT(sourceLayoutChanged()) );
00099 
00100     connect( model, SIGNAL(dataChanged(const QModelIndex&,const QModelIndex&)),
00101              this, SLOT(sourceDataChanged(const QModelIndex&,const QModelIndex&)) );
00102 
00103 
00104     connect( model,  SIGNAL(columnsAboutToBeInserted(const QModelIndex&, int,int)),
00105              this, SLOT(sourceColumnsAboutToBeInserted(const QModelIndex&,int,int)) );
00106     connect( model,  SIGNAL(columnsInserted(const QModelIndex&, int,int)),
00107              this, SLOT(sourceColumnsInserted(const QModelIndex&,int,int)) );
00108     connect( model,  SIGNAL(columnsAboutToBeRemoved(const QModelIndex&, int,int)),
00109              this, SLOT(sourceColumnsAboutToBeRemoved(const QModelIndex&,int,int)) );
00110     connect( model,  SIGNAL(columnsRemoved(const QModelIndex&, int,int)),
00111              this, SLOT(sourceColumnsRemoved(const QModelIndex&,int,int)) );
00112 
00113     connect( model,  SIGNAL(rowsAboutToBeInserted(const QModelIndex&, int,int)),
00114              this, SLOT(sourceRowsAboutToBeInserted(const QModelIndex&,int,int)) );
00115     connect( model,  SIGNAL(rowsInserted(const QModelIndex&, int,int)),
00116              this, SLOT(sourceRowsInserted(const QModelIndex&,int,int)) );
00117     connect( model,  SIGNAL(rowsAboutToBeRemoved(const QModelIndex&, int,int)),
00118              this, SLOT(sourceRowsAboutToBeRemoved(const QModelIndex&,int,int)) );
00119     connect( model,  SIGNAL(rowsRemoved(const QModelIndex&, int,int)),
00120              this, SLOT(sourceRowsRemoved(const QModelIndex&,int,int)) );
00121 }

void ForwardingProxyModel::sourceColumnsAboutToBeInserted ( const QModelIndex &  parentIdx,
int  start,
int  end 
) [protected, virtual, slot, inherited]

Called just before columns are inserted into the source model.

See also:
QAbstractItemModel::columnsAboutToBeInserted()

Reimplemented in KDGantt::SummaryHandlingProxyModel.

Definition at line 171 of file kdganttforwardingproxymodel.cpp.

References KDGantt::ForwardingProxyModel::mapFromSource().

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00174 {
00175     beginInsertColumns( mapFromSource( parentIdx ), start, end );
00176 }

void ForwardingProxyModel::sourceColumnsAboutToBeRemoved ( const QModelIndex &  parentIdx,
int  start,
int  end 
) [protected, virtual, slot, inherited]

Called just before columns are removed from the source model.

See also:
QAbstractItemModel::columnsAboutToBeRemoved()

Reimplemented in KDGantt::SummaryHandlingProxyModel.

Definition at line 192 of file kdganttforwardingproxymodel.cpp.

References KDGantt::ForwardingProxyModel::mapFromSource().

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00195 {
00196     beginRemoveColumns( mapFromSource( parentIdx ), start, end );
00197 }

void ForwardingProxyModel::sourceColumnsInserted ( const QModelIndex &  parentIdx,
int  start,
int  end 
) [protected, virtual, slot, inherited]

Called after columns have been inserted into the source model.

See also:
QAbstractItemModel::columnsInserted()

Definition at line 181 of file kdganttforwardingproxymodel.cpp.

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00182 {
00183     Q_UNUSED( parentIdx );
00184     Q_UNUSED( start );
00185     Q_UNUSED( end );
00186     endInsertColumns();
00187 }

void ForwardingProxyModel::sourceColumnsRemoved ( const QModelIndex &  parentIdx,
int  start,
int  end 
) [protected, virtual, slot, inherited]

Called after columns have been removed from the source model.

See also:
QAbstractItemModel::columnsRemoved()

Definition at line 202 of file kdganttforwardingproxymodel.cpp.

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00203 {
00204     Q_UNUSED( parentIdx );
00205     Q_UNUSED( start );
00206     Q_UNUSED( end );
00207     endRemoveColumns();
00208 }

void ForwardingProxyModel::sourceDataChanged ( const QModelIndex &  from,
const QModelIndex &  to 
) [protected, virtual, slot, inherited]

Called when the data in an existing item in the source model changes.

See also:
QAbstractItemModel::dataChanged()

Reimplemented in KDGantt::SummaryHandlingProxyModel.

Definition at line 162 of file kdganttforwardingproxymodel.cpp.

References KDGantt::ForwardingProxyModel::mapFromSource().

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00163 {
00164   //qDebug() << "ForwardingProxyModel::sourceDataChanged("<<from<<to<<")";
00165     emit dataChanged( mapFromSource( from ), mapFromSource( to ) );
00166 }

void ForwardingProxyModel::sourceLayoutAboutToBeChanged (  )  [protected, virtual, slot, inherited]

Called just before the layout of the source model is changed.

See also:
QAbstractItemModel::layoutAboutToBeChanged()

Definition at line 144 of file kdganttforwardingproxymodel.cpp.

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00145 {
00146   //qDebug() << "ForwardingProxyModel::sourceLayoutAboutToBeChanged()";
00147     emit layoutAboutToBeChanged();
00148 }

void ForwardingProxyModel::sourceLayoutChanged (  )  [protected, virtual, slot, inherited]

Called when the layout of the source model has changed.

See also:
QAbstractItemModel::layoutChanged()

Reimplemented in KDGantt::SummaryHandlingProxyModel.

Definition at line 153 of file kdganttforwardingproxymodel.cpp.

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00154 {
00155   //qDebug() << "ForwardingProxyModel::sourceLayoutChanged()";
00156     reset();
00157 }

void ForwardingProxyModel::sourceModelAboutToBeReset (  )  [protected, virtual, slot, inherited]

Called when the source model is about to be reset.

See also:
QAbstractItemModel::modelAboutToBeReset()

Definition at line 126 of file kdganttforwardingproxymodel.cpp.

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00127 {
00128     // The matching signal is emitted be reset()
00129 }

void ForwardingProxyModel::sourceModelReset (  )  [protected, virtual, slot, inherited]

Called when the source model is reset

See also:
QAbstractItemModel::modelReset()

Reimplemented in KDGantt::SummaryHandlingProxyModel.

Definition at line 134 of file kdganttforwardingproxymodel.cpp.

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00135 {
00136   //qDebug() << "ForwardingProxyModel::sourceModelReset()";
00137     reset();
00138 }

void ForwardingProxyModel::sourceRowsAboutToBeInserted ( const QModelIndex &  parentIdx,
int  start,
int  end 
) [protected, virtual, slot, inherited]

Called just before rows are inserted into the source model.

See also:
QAbstractItemModel::rowsAboutToBeInserted()

Reimplemented in KDGantt::SummaryHandlingProxyModel.

Definition at line 213 of file kdganttforwardingproxymodel.cpp.

References KDGantt::ForwardingProxyModel::mapFromSource().

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00214 {
00215     beginInsertRows( mapFromSource( parentIdx ), start, end );
00216 }

void ForwardingProxyModel::sourceRowsAboutToBeRemoved ( const QModelIndex &  parentIdx,
int  start,
int  end 
) [protected, virtual, slot, inherited]

Called just before rows are removed from the source model.

See also:
QAbstractItemModel::rowsAboutToBeRemoved()

Reimplemented in KDGantt::SummaryHandlingProxyModel.

Definition at line 232 of file kdganttforwardingproxymodel.cpp.

References KDGantt::ForwardingProxyModel::mapFromSource().

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00233 {
00234     beginRemoveRows( mapFromSource( parentIdx ), start, end );
00235 }

void ForwardingProxyModel::sourceRowsInserted ( const QModelIndex &  parentIdx,
int  start,
int  end 
) [protected, virtual, slot, inherited]

Called after rows have been inserted into the source model.

See also:
QAbstractItemModel::rowsInserted()

Definition at line 221 of file kdganttforwardingproxymodel.cpp.

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00222 {
00223     Q_UNUSED( parentIdx );
00224     Q_UNUSED( start );
00225     Q_UNUSED( end );
00226     endInsertRows();
00227 }

void ForwardingProxyModel::sourceRowsRemoved ( const QModelIndex &  parentIdx,
int  start,
int  end 
) [protected, virtual, slot, inherited]

Called after rows have been removed from the source model.

See also:
QAbstractItemModel::rowsRemoved()

Definition at line 240 of file kdganttforwardingproxymodel.cpp.

Referenced by KDGantt::ForwardingProxyModel::setSourceModel().

00241 {
00242     Q_UNUSED( parentIdx );
00243     Q_UNUSED( start );
00244     Q_UNUSED( end );
00245     endRemoveRows();
00246 }

The documentation for this class was generated from the following files:
Generated on Thu Mar 4 23:27:17 2010 for KD Chart 2 by  doxygen 1.5.4