qdesigner_internal::MetaDataBase Class Reference

#include <metadatabase_p.h>

Inheritance diagram for qdesigner_internal::MetaDataBase:

[legend]Collaboration diagram for qdesigner_internal::MetaDataBase:

[legend]List of all members.

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Detailed Description

Definition at line 74 of file metadatabase_p.h.

Public Member Functions
	MetaDataBase (QDesignerFormEditorInterface *core, QObject *parent=0)
virtual	~MetaDataBase ()
virtual QDesignerFormEditorInterface *	core () const
virtual QDesignerMetaDataBaseItemInterface *	item (QObject *object) const
virtual void	add (QObject *object)
virtual void	remove (QObject *object)
virtual QList< QObject * >	objects () const
void	dump ()
Private Types
typedef QHash< QObject *, MetaDataBaseItem * >	ItemMap
Private Slots
void	slotDestroyed (QObject *object)
Private Attributes
QDesignerFormEditorInterface *	m_core
ItemMap	m_items

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Member Typedef Documentation

typedef QHash<QObject *, MetaDataBaseItem*> qdesigner_internal::MetaDataBase::ItemMap [private]

Definition at line 96 of file metadatabase_p.h.

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Constructor & Destructor Documentation

qdesigner_internal::MetaDataBase::MetaDataBase	(	QDesignerFormEditorInterface *	core,
		QObject *	parent = 0
	)

Definition at line 88 of file metadatabase.cpp.

    : QDesignerMetaDataBaseInterface(parent),
      m_core(core)
{
}

qdesigner_internal::MetaDataBase::~MetaDataBase

(

)

[virtual]

Definition at line 94 of file metadatabase.cpp.

References m_items, and qDeleteAll().

{
    qDeleteAll(m_items);
}

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Member Function Documentation

QDesignerFormEditorInterface * qdesigner_internal::MetaDataBase::core

(

)

const [virtual]

Returns the core interface that is associated with the meta database.

Implements QDesignerMetaDataBaseInterface.

Definition at line 146 of file metadatabase.cpp.

References m_core.

{
    return m_core;
}

QDesignerMetaDataBaseItemInterface * qdesigner_internal::MetaDataBase::item

(

QObject *

object

)

const [virtual]

Returns the item in the meta database associated with the given object.

Implements QDesignerMetaDataBaseInterface.

Definition at line 99 of file metadatabase.cpp.

References i, m_items, object, and QHash< Key, T >::value().

Referenced by add(), qdesigner_internal::PropertyEditor::metaDataBaseItem(), remove(), and slotDestroyed().

{
    MetaDataBaseItem *i = m_items.value(object);
    if (i == 0 || !i->enabled())
        return 0;
    return i;
}

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void qdesigner_internal::MetaDataBase::add

(

QObject *

object

)

[virtual]

Adds the specified object to the meta database.

Implements QDesignerMetaDataBaseInterface.

Definition at line 107 of file metadatabase.cpp.

References QDesignerMetaDataBaseInterface::changed(), QObject::connect(), QObject::destroyed(), emit, QHash< Key, T >::insert(), item(), m_items, object, QDesignerMetaDataBaseItemInterface::setEnabled(), SIGNAL, SLOT, slotDestroyed(), and QHash< Key, T >::value().

{
    MetaDataBaseItem *item = m_items.value(object);
    if (item != 0) {
        item->setEnabled(true);
        return;
    }

    item = new MetaDataBaseItem(object);
    m_items.insert(object, item);
    connect(object, SIGNAL(destroyed(QObject*)),
        this, SLOT(slotDestroyed(QObject*)));

    emit changed();
}

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void qdesigner_internal::MetaDataBase::remove

(

QObject *

object

)

[virtual]

Removes the specified object from the meta database.

Implements QDesignerMetaDataBaseInterface.

Definition at line 123 of file metadatabase.cpp.

References QDesignerMetaDataBaseInterface::changed(), emit, item(), m_items, object, QDesignerMetaDataBaseItemInterface::setEnabled(), and QHash< Key, T >::value().

{
    Q_ASSERT(object);

    if (MetaDataBaseItem *item = m_items.value(object)) {
        item->setEnabled(false);
        emit changed();
    }
}

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QList< QObject * > qdesigner_internal::MetaDataBase::objects

(

)

const [virtual]

Returns the list of objects that have corresponding items in the meta database.

Implements QDesignerMetaDataBaseInterface.

Definition at line 133 of file metadatabase.cpp.

References QList< T >::append(), QHash< Key, T >::begin(), QHash< Key, T >::end(), QHash< Key, T >::const_iterator::key(), m_items, and QHash< Key, T >::const_iterator::value().

{
    QList<QObject*> result;

    ItemMap::const_iterator it = m_items.begin();
    for (; it != m_items.end(); ++it) {
        if (it.value()->enabled())
            result.append(it.key());
    }

    return result;
}

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void qdesigner_internal::MetaDataBase::dump

(

)

Definition at line 160 of file metadatabase.cpp.

References m_items, and qDebug().

{
    QHashIterator<QObject *, MetaDataBaseItem*> it(m_items);
    while (it.hasNext()) {
        it.next();

        qDebug() << it.value() << "item:" << it.key() << "comments:" << it.value()->comments();
    }
}

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void qdesigner_internal::MetaDataBase::slotDestroyed

(

QObject *

object

)

[private, slot]

Definition at line 151 of file metadatabase.cpp.

References QHash< Key, T >::contains(), item(), m_items, object, QHash< Key, T >::remove(), and QHash< Key, T >::value().

Referenced by add().

{
    if (m_items.contains(object)) {
        MetaDataBaseItem *item = m_items.value(object);
        delete item;
        m_items.remove(object);
    }
}

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Member Data Documentation

QDesignerFormEditorInterface* qdesigner_internal::MetaDataBase::m_core [private]

Definition at line 95 of file metadatabase_p.h.

Referenced by core().

ItemMap qdesigner_internal::MetaDataBase::m_items [private]

Definition at line 97 of file metadatabase_p.h.

Referenced by add(), dump(), item(), objects(), remove(), slotDestroyed(), and ~MetaDataBase().

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

• tools/designer/src/lib/shared/metadatabase_p.h
• tools/designer/src/lib/shared/metadatabase.cpp

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