BaseQueryModel Class Reference

This is the base model used by the Factory for showing data. More...

#include <basequerymodel.h>

Inheritance diagram for BaseQueryModel:

Collaboration diagram for BaseQueryModel:

List of all members.

Signals
void	signal_treeItemDropped (int db_tree_id)
void	signal_treeItemDropped (TreeItem *item)
Public Member Functions
	BaseQueryModel (QObject *parent=0)
bool	dropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
void	setBuilderView (BuilderView *view)
BuilderView *	builderView ()
QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const
QStringList	mimeTypes () const
Qt::DropActions	supportedDropActions () const
Qt::ItemFlags	flags (const QModelIndex &index) const

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Detailed Description

This is the base model used by the Factory for showing data.

Todo:

Fix the BuilderView reference hack. Model may not know anything about the view and all should go through the model. So header should "save" its data into the model through BaseQueryModel::setHeaderData();

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Constructor & Destructor Documentation

BaseQueryModel::BaseQueryModel

(

QObject *

parent = 0

)

                                                        : SqlQueryModel(parent), view(0)
{
    setDependency("tbl_sensor_channel_data");

#ifdef DEBUG_DEFAULTQUERY
    setQuery(Database::execStatic("SELECT * FROM "
             "(SELECT sens_chan_data_timestamp AS timestamp, sens_chan_data_data AS sensdata1 FROM tbl_sensor_channel_data WHERE tree_id = 1 AND sens_chan_data_timestamp < '2009-06-19') AS subquery0 "
             "  FULL OUTER JOIN "
             "(SELECT sens_chan_data_timestamp AS timestamp, sens_chan_data_data AS sensdata3 FROM tbl_sensor_channel_data WHERE tree_id = 2 AND sens_chan_data_timestamp < '2009-06-19') AS subquery2 "
             "  USING (timestamp) "));
#endif //DEBUG_DEFAULTQUERY
};

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Member Function Documentation

BuilderView * BaseQueryModel::builderView

(

)

{
    return view;
}

bool BaseQueryModel::dropMimeData	(	const QMimeData *	data,
		Qt::DropAction	action,
		int	row,
		int	column,
		const QModelIndex &	parent
	)

{
    qDebug() << "Item drop tried on: column: " << column << " row: " << row << " parent: " << parent;
    if (action == Qt::IgnoreAction) return true;
    if (!(data->hasFormat("appobj/treeitem.pointer"))) return false;

    if (data->hasFormat("appobj/treeitem.pointer")){
        QByteArray encodedData = data->data("appobj/treeitem.pointer");
        QDataStream stream(&encodedData, QIODevice::ReadOnly);
        while (!stream.atEnd()) {
            qint64 p;
            stream >> p;
            TreeItem *droppedTreeItem = reinterpret_cast<TreeItem*>(p);
            droppedTrees.insert(parent.column(), droppedTreeItem);
            //qDebug() << "Dropped treepointer: " << droppedTreeItem;
            foreach(QVariant id, droppedTreeItem->getDataRecursively(TreeItem::TreeItemId)) {
                if (id.toInt() != -1) emit signal_treeItemDropped(id.toInt());
                if (id.toInt() != -1) emit signal_treeItemDropped(droppedTreeItem->find(id.toInt()));
            }
        }
        return true;
    }

    return false;
}

Qt::ItemFlags BaseQueryModel::flags

(

const QModelIndex &

index

)

const

{
    Qt::ItemFlags defaultFlags = SqlQueryModel::flags(index); //selectable and enabled
    return defaultFlags | Qt::ItemIsDropEnabled;
}

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

{
    if (orientation == Qt::Horizontal && role == GlobalEnum::BuilderHeaderDataUnitSymbolRole){
        Q_ASSERT(view);
        Q_ASSERT(view->dataHeader());
        // Very hackisch!!!
        return view->dataHeader()->data(section-1 /* -1 = Hack again */, role);
    }
    else
        return SqlQueryModel::headerData(section, orientation, role);
}

QStringList BaseQueryModel::mimeTypes

(

)

const

{
    return QStringList() << "appobj/treeitem.pointer";
}

void BaseQueryModel::setBuilderView

(

BuilderView *

view

)

Referenced by Factory::Factory().

{
    this->view = view;
}

void BaseQueryModel::signal_treeItemDropped

(

TreeItem *

item

)

[signal]

void BaseQueryModel::signal_treeItemDropped

(

int

db_tree_id

)

[signal]

Referenced by dropMimeData().

Qt::DropActions BaseQueryModel::supportedDropActions

(

)

const

{
    return Qt::CopyAction | Qt::MoveAction;
}

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

• basequerymodel.h
• basequerymodel.cpp