KisResourceTypeModel Class Reference

#include <KisResourceTypeModel.h>

Inheritance diagram for KisResourceTypeModel:

Classes
struct	Private

Public Types
enum	Columns { Id = 0 , ResourceType , Name }

Public Member Functions
int	columnCount (const QModelIndex &parent=QModelIndex()) const override
QVariant	data (const QModelIndex &index, int role) const override
	KisResourceTypeModel (QObject *parent=0)
int	rowCount (const QModelIndex &parent=QModelIndex()) const override
	~KisResourceTypeModel () override

Private Member Functions
bool	prepareQuery ()

Private Attributes
Private *const	d

Detailed Description

KisResourceTypeModel provides a view on the various resource types defined in the database. This should be the same list as available from KisResourceLoaderRegistry.

Definition at line 19 of file KisResourceTypeModel.h.

Member Enumeration Documentation

Columns

enum KisResourceTypeModel::Columns

Enumerator
Id
ResourceType
Name

Definition at line 24 of file KisResourceTypeModel.h.

                 {
        Id = 0,
        ResourceType,
        Name,
    };

Constructor & Destructor Documentation

KisResourceTypeModel()

KisResourceTypeModel::KisResourceTypeModel

(

QObject *

parent = 0

)

Definition at line 19 of file KisResourceTypeModel.cpp.

    : QAbstractTableModel(parent)
    , d(new Private)
{
    prepareQuery();
}

References prepareQuery().

~KisResourceTypeModel()

KisResourceTypeModel::~KisResourceTypeModel ( )

override

Definition at line 26 of file KisResourceTypeModel.cpp.

{
    delete d;
}

References d.

Member Function Documentation

columnCount()

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

override

Definition at line 49 of file KisResourceTypeModel.cpp.

{
    if (parent.isValid()) {
        return 0;
    }
 
    return 3;
}

data()

QVariant KisResourceTypeModel::data ( const QModelIndex & index, int role ) const

override

Definition at line 58 of file KisResourceTypeModel.cpp.

{
    QVariant v;
    if (!index.isValid()) return v;
 
    if (index.row() > rowCount()) return v;
    if (index.column() > (int)Name) return v;
 
    bool pos = d->query.seek(index.row());
 
    if (pos) {
        QString id = d->query.value("id").toString();
        QString resourceType = d->query.value("name").toString();
        QString name = ResourceName::resourceTypeToName(resourceType);
 
        switch(role) {
        case Qt::DisplayRole:
        {
            switch(index.column()) {
            case Id:
                return id;
            case ResourceType:
                return resourceType;
            case Name:
            default:
                return name;
            }
        }
        case Qt::UserRole + Id:
            return id;
        case Qt::UserRole + ResourceType:
            return resourceType;
        case Qt::UserRole + Name:
            return name;
        default:
            ;
        }
    }
    return v;
}

References d, Id, Name, KisResourceTypeModel::Private::query, ResourceType, ResourceName::resourceTypeToName(), rowCount(), and v.

prepareQuery()

bool KisResourceTypeModel::prepareQuery ( )

private

Definition at line 99 of file KisResourceTypeModel.cpp.

{
    beginResetModel();
    bool r = d->query.prepare("SELECT id\n"
                              ",      name\n"
                              "FROM   resource_types\n");
    if (!r) {
        qWarning() << "Could not prepare KisResourceTypeModel query" << d->query.lastError();
    }
    r = d->query.exec();
    if (!r) {
        qWarning() << "Could not execute KisResourceTypeModel query" << d->query.lastError();
    }
    d->cachedRowCount = -1;
    endResetModel();
    return r;
}

References KisResourceTypeModel::Private::cachedRowCount, d, and KisResourceTypeModel::Private::query.

rowCount()

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

override

Definition at line 31 of file KisResourceTypeModel.cpp.

{
    if (parent.isValid()) {
        return 0;
    }
 
    if (d->cachedRowCount < 0) {
        QSqlQuery q;
        q.prepare("SELECT count(*)\n"
                  "FROM   resource_types\n");
        q.exec();
        q.first();
 
        const_cast<KisResourceTypeModel*>(this)->d->cachedRowCount = q.value(0).toInt();
    }
    return d->cachedRowCount;
}

References KisResourceTypeModel::Private::cachedRowCount, and d.

Member Data Documentation

d

Private* const KisResourceTypeModel::d

private

Definition at line 42 of file KisResourceTypeModel.h.

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

• libs/resources/KisResourceTypeModel.h
• libs/resources/KisResourceTypeModel.cpp