StreamAlignerModel Class Reference

Inherits QAbstractItemModel.

Public Member Functions
	StreamAlignerModel (QObject *parent=0)
	~StreamAlignerModel ()
virtual int	columnCount (const QModelIndex &parent=QModelIndex()) const
virtual QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const
virtual QModelIndex	index (int row, int column, const QModelIndex &parent=QModelIndex()) const
virtual QModelIndex	parent (const QModelIndex &child) const
virtual int	rowCount (const QModelIndex &parent=QModelIndex()) const
virtual QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const
void	updateData (const aggregator::StreamAlignerStatus &status)

Detailed Description

Definition at line 203 of file StreamAlignerWidget.cpp.

Constructor & Destructor Documentation

StreamAlignerModel()

StreamAlignerModel::StreamAlignerModel ( QObject *  parent = 0 )

explicit

Definition at line 252 of file StreamAlignerWidget.cpp.

                                                     : QAbstractItemModel(parent)
{
}

~StreamAlignerModel()

StreamAlignerModel::~StreamAlignerModel

(

)

Definition at line 221 of file StreamAlignerWidget.cpp.

{
    for(std::vector<TaskRepresentation *>::const_iterator it = taskRep.begin(); it != taskRep.end(); it++)
    {
    delete *it;
    }
    taskRep.clear();
    taskRepMap.clear();
}

Member Function Documentation

columnCount()

int StreamAlignerModel::columnCount ( const QModelIndex &  parent = QModelIndex() ) const

virtual

Definition at line 276 of file StreamAlignerWidget.cpp.

{
    return 6;    
}

data()

QVariant StreamAlignerModel::data ( const QModelIndex &  index, int  role = Qt::DisplayRole  ) const

virtual

Definition at line 281 of file StreamAlignerWidget.cpp.

{
    if(!index.isValid())
    return QVariant();
    
    //task rep
    if(index.internalId() == 1) 
    {
    return taskRep[index.row()]->data(index.column(), role);
    }
    
    //this index points to a stream
    return taskRep[index.parent().row()]->data(index.row(), index.column(), role);
    
    return QVariant();
}

headerData()

QVariant StreamAlignerModel::headerData ( int  section, Qt::Orientation  orientation, int  role = Qt::DisplayRole  ) const

virtual

Definition at line 256 of file StreamAlignerWidget.cpp.

{
    return StreamRepresentation::headerData(section, role);
}

index()

QModelIndex StreamAlignerModel::index ( int  row, int  column, const QModelIndex &  parent = QModelIndex()  ) const

virtual

Definition at line 298 of file StreamAlignerWidget.cpp.

{
    if (!hasIndex(row, column, parent))
         return QModelIndex();

    if (!parent.isValid())
    {
    //index to root node
    const int taskCount = taskRep.size();
    if(row >= taskCount)
        return QModelIndex();
    return createIndex(row, column, 1); 
    } else {
    if(parent.internalId() != 1)
        throw std::runtime_error("Expected id 1 got something else");

    if(row < taskRep[parent.row()]->getStreamCount())
        return createIndex(row, column, (void *) taskRep[parent.row()] );       
    }

    return QModelIndex();
}

parent()

QModelIndex StreamAlignerModel::parent ( const QModelIndex &  child ) const

virtual

Definition at line 321 of file StreamAlignerWidget.cpp.

{
    if(!child.isValid()) {
    return QModelIndex();
    }
   
    //top level items have no valid parents
    if(child.internalId() == 1)
    return QModelIndex();
   
    int i = 0;
    for(std::vector<TaskRepresentation *>::const_iterator it = taskRep.begin(); it != taskRep.end(); it++) {
    if(*it == child.internalPointer())
        return createIndex(i, 0, 1);
    i++;
    } 
    return QModelIndex();  
}

rowCount()

int StreamAlignerModel::rowCount ( const QModelIndex &  parent = QModelIndex() ) const

virtual

Definition at line 261 of file StreamAlignerWidget.cpp.

{
    if(parent.isValid())
    {
    //parent is no task rep
    if(parent.internalId() != 1)
        return 0;

    //return stream count of task rep
    return taskRep[parent.row()]->getStreamCount();
    }
    
    return taskRep.size();
}

updateData()

void StreamAlignerModel::updateData

(

const aggregator::StreamAlignerStatus &

status

)

Definition at line 231 of file StreamAlignerWidget.cpp.

{
    std::string name = status.name;
    if( name.empty() )
    name = "<anonymous>";

    if(!taskRepMap.count(name))
    {
    TaskRepresentation *tp = new TaskRepresentation( name );
    taskRepMap[name] = tp;
    taskRep.push_back(tp);
        emit layoutChanged();
    }

    taskRepMap[name]->updateData(status);
    
    //inform rest of the world that we got new data
    if(!taskRep.empty())
        emit dataChanged(createIndex(0,0,0), createIndex(taskRep.size()-1, 5, 0));
}

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The documentation for this class was generated from the following file:

• /build/rock-master-18.09-gui-rock-widget-collection-0.20180124/src/stream_aligner_widget/StreamAlignerWidget.cpp