LayerModel Class Reference

Model to display a list of layers in a QTableView. More...

#include <layermodel.h>

Inheritance diagram for LayerModel:

Collaboration diagram for LayerModel:

Public Types
enum	columns { NAME, EDIT, LOCKED, LAST }

Signals
void	nameChanged (lc::Layer_CSPtr &layer, const std::string &name)
	Signal when layer name was changed by double clicking. More...

Public Member Functions
	LayerModel (QObject *parent=0)
	Create widget. More...
void	setLayers (std::vector< lc::Layer_CSPtr > layers)
	Update the list of layers. More...
lc::Layer_CSPtr	layerAt (int row)
	Get layer at specific row. More...
unsigned int	indexOf (lc::Layer_CSPtr layer)
	Give the index of the given layer. More...
int	rowCount (const QModelIndex &parent=QModelIndex()) const
	Get number of layers. More...
int	columnCount (const QModelIndex &parent=QModelIndex()) const
QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const
Qt::ItemFlags	flags (const QModelIndex &index) const
bool	setData (const QModelIndex &index, const QVariant &value, int role=Qt::EditRole)

Private Attributes
std::vector< lc::Layer_CSPtr >	_layers
QIcon	_editIcon
QIcon	_lockedIcon
QIcon	_unlockedIcon

Detailed Description

Model to display a list of layers in a QTableView.

Definition at line 11 of file layermodel.h.

Member Enumeration Documentation

enum LayerModel::columns

Enumerator
NAME
EDIT
LOCKED
LAST

Definition at line 15 of file layermodel.h.

                     {
            NAME,
            EDIT,
            LOCKED,
            LAST
        };

Constructor & Destructor Documentation

LayerModel::LayerModel

(

QObject *

parent = 0

)

Create widget.

Parameters

parent

Pointer to parent object

Definition at line 3 of file layermodel.cpp.

                                      :
    QAbstractTableModel(parent) {

    _editIcon = QIcon(":/icons/layeredit");
    _lockedIcon = QIcon(":/icons/locked.svg");
    _unlockedIcon = QIcon(":/icons/unlocked.svg");
}

Member Function Documentation

int LayerModel::columnCount

(

const QModelIndex &

parent = QModelIndex()

)

const

Definition at line 23 of file layermodel.cpp.

                                                    {
    return LAST;
}

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

Definition at line 27 of file layermodel.cpp.

                                                                  {
    if (!index.isValid()) {
        return QVariant();
    }

    auto layer = _layers.at(index.row());

    if(role == Qt::DisplayRole && index.column() == NAME) {
        return layer->name().c_str();
    }
    else if(role == Qt::DecorationRole) {
        switch (index.column()) {
            case EDIT:
                return _editIcon;

            case LOCKED:
                if (layer->isFrozen()) {
                    return _lockedIcon;
                }
                return _unlockedIcon;
        }
    }

    return QVariant();
}

Qt::ItemFlags LayerModel::flags

(

const QModelIndex &

index

)

const

Definition at line 53 of file layermodel.cpp.

                                                            {
    if(index.column() == NAME) {
        return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled;
    }

    return Qt::ItemIsEnabled;
}

unsigned int LayerModel::indexOf

(

lc::Layer_CSPtr

layer

)

Give the index of the given layer.

Parameters

layer

Returns

Index of layer

Definition at line 80 of file layermodel.cpp.

                                                    {
    for(unsigned int i = 0; i < _layers.size(); i++) {
        if(_layers[i] == layer) {
            return i;
        }
    }

    return 0;
}

lc::Layer_CSPtr LayerModel::layerAt

(

int

row

)

Get layer at specific row.

Parameters

row	Row in the list

Returns

Shared pointer to Layer

Definition at line 71 of file layermodel.cpp.

                                         {
    try {
        return _layers.at(row);
    }
    catch(std::out_of_range& e) {
        return nullptr;
    }
}

void LayerModel::nameChanged ( lc::Layer_CSPtr &  layer, const std::string &  name  )

signal

Signal when layer name was changed by double clicking.

int LayerModel::rowCount

(

const QModelIndex &

parent = QModelIndex()

)

const

Get number of layers.

Returns

Number of layers

Definition at line 19 of file layermodel.cpp.

                                                 {
    return _layers.size();
}

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

Definition at line 62 of file layermodel.cpp.

                                                                             {
    if(!index.isValid()) {
        return false;
    }

    emit nameChanged(_layers.at(index.row()), value.toString().toStdString());
    return true;
}

void LayerModel::setLayers

(

std::vector< lc::Layer_CSPtr >

layers

)

Update the list of layers.

Parameters

layers

Vector containing new layers

Definition at line 11 of file layermodel.cpp.

                                                          {
    beginResetModel();

    _layers = layers;

    endResetModel();
}

Member Data Documentation

QIcon LayerModel::_editIcon

private

Definition at line 67 of file layermodel.h.

std::vector<lc::Layer_CSPtr> LayerModel::_layers

private

Definition at line 65 of file layermodel.h.

QIcon LayerModel::_lockedIcon

private

Definition at line 68 of file layermodel.h.

QIcon LayerModel::_unlockedIcon

private

Definition at line 69 of file layermodel.h.

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

• lcUI/widgets/layermodel.h
• lcUI/widgets/layermodel.cpp