KisTagModel Class Reference

#include <KisTagModel.h>

Inheritance diagram for KisTagModel:

Classes
struct	Private

Public Types
enum	StorageFilter { ShowInactiveStorages = 0 , ShowActiveStorages , ShowAllStorages }
enum	TagFilter { ShowInactiveTags = 0 , ShowActiveTags , ShowAllTags }

Public Member Functions
bool	addTag (const KisTagSP tag, const bool allowOverwrite, QVector< KoResourceSP > taggedResources=QVector< KoResourceSP >()) override
	Add a tag, if it doesn't exist yet, with a possibly empty list of resources to tag.
KisTagSP	addTag (const QString &tagName, const bool allowOverwrite, QVector< KoResourceSP > taggedResources) override
	Add a new tag with a possibly empty list of resources to tag.
bool	changeTagActive (const KisTagSP tag, bool active) override
QModelIndex	indexForTag (KisTagSP tag) const override
	KisTagModel (const QString &type, QObject *parent=0)
bool	renameTag (const KisTagSP tag, const QString &newName, const bool allowOverwrite) override
void	setStorageFilter (StorageFilter filter)
bool	setTagActive (const KisTagSP tag) override
void	setTagFilter (TagFilter filter)
bool	setTagInactive (const KisTagSP tag) override
KisTagSP	tagForIndex (QModelIndex index=QModelIndex()) const override
KisTagSP	tagForUrl (const QString &url) const override
	Retrieve a tag by url.
	~KisTagModel () override
Public Member Functions inherited from KisAbstractTagModel
virtual	~KisAbstractTagModel ()

Protected Member Functions
bool	filterAcceptsRow (int source_row, const QModelIndex &source_parent) const override
bool	lessThan (const QModelIndex &source_left, const QModelIndex &source_right) const override

Private Attributes
Private *const	d

Friends
class	DlgDbExplorer
class	TestTagModel

Detailed Description

Definition at line 121 of file KisTagModel.h.

Member Enumeration Documentation

StorageFilter

enum KisTagModel::StorageFilter

Enumerator
ShowInactiveStorages
ShowActiveStorages
ShowAllStorages

Definition at line 140 of file KisTagModel.h.

                       {
        ShowInactiveStorages = 0,
        ShowActiveStorages,
        ShowAllStorages
    };

TagFilter

enum KisTagModel::TagFilter

Enumerator
ShowInactiveTags
ShowActiveTags
ShowAllTags

Definition at line 132 of file KisTagModel.h.

                   {
        ShowInactiveTags = 0,
        ShowActiveTags,
        ShowAllTags
    };

Constructor & Destructor Documentation

KisTagModel()

KisTagModel::KisTagModel	(	const QString &	type,
		QObject *	parent = 0 )

Definition at line 544 of file KisTagModel.cpp.

    : QSortFilterProxyModel(parent)
    , d(new Private())
{
    setSourceModel(KisResourceModelProvider::tagModel(type));
    sort(KisAllTagsModel::Name);
}

References KisAllTagsModel::Name, and KisResourceModelProvider::tagModel().

~KisTagModel()

KisTagModel::~KisTagModel ( )

override

Definition at line 552 of file KisTagModel.cpp.

{
    delete d;
}

References d.

Member Function Documentation

addTag() [1/2]

bool KisTagModel::addTag ( const KisTagSP tag, const bool allowOverwrite, QVector< KoResourceSP > taggedResources = QVector< KoResourceSP >() )

overridevirtual

Add a tag, if it doesn't exist yet, with a possibly empty list of resources to tag.

Implements KisAbstractTagModel.

Definition at line 612 of file KisTagModel.cpp.

{
    KisAbstractTagModel *source = dynamic_cast<KisAbstractTagModel*>(sourceModel());
    if (source) {
        return source->addTag(tag, allowOverwrite, taggedResources) ;
    }
    return false;
}

References source().

addTag() [2/2]

KisTagSP KisTagModel::addTag ( const QString & tagName, const bool allowOverwrite, QVector< KoResourceSP > taggedResources )

overridevirtual

Add a new tag with a possibly empty list of resources to tag.

Implements KisAbstractTagModel.

Definition at line 593 of file KisTagModel.cpp.

{
    KisAbstractTagModel *source = dynamic_cast<KisAbstractTagModel*>(sourceModel());
    if (source) {
        return source->addTag(tagName, allowOverwrite, taggedResources);
    }
    return 0;
}

References source().

changeTagActive()

bool KisTagModel::changeTagActive ( const KisTagSP tag, bool active )

overridevirtual

Implements KisAbstractTagModel.

Definition at line 649 of file KisTagModel.cpp.

{
    KisAbstractTagModel *source = dynamic_cast<KisAbstractTagModel*>(sourceModel());
    if (source) {
        return source->changeTagActive(tag, active);
    }
    return false;
}

References source().

filterAcceptsRow()

bool KisTagModel::filterAcceptsRow ( int source_row, const QModelIndex & source_parent ) const

overrideprotected

Definition at line 659 of file KisTagModel.cpp.

{
    if (d->tagFilter == ShowAllTags && d->storageFilter == ShowAllStorages) {
        return true;
    }
 
    QModelIndex idx = sourceModel()->index(source_row, 0, source_parent);
    if (!idx.isValid()) {
        return false;
    }
    int tagId = sourceModel()->data(idx, Qt::UserRole + KisAllTagsModel::Id).toInt();
 
    if (tagId < 0) {
        return true;
    }
 
    TagFilter tagActive = (TagFilter)sourceModel()->data(idx, Qt::UserRole + KisAllTagsModel::Active).toInt();
 
    StorageFilter storageActive = ShowAllStorages;
 
    if (d->storageFilter == ShowAllStorages) {
        return (tagActive == d->tagFilter);
    }
 
    {
        if (tagId > 0) {
            QSqlQuery q;
            const bool r = q.prepare("SELECT count(*)\n"
                      "FROM   tags_storages\n"
                      ",      storages\n"
                      "WHERE  tags_storages.tag_id = :tag_id\n"
                      "AND    tags_storages.storage_id = storages.id\n"
                      "AND    storages.active = 1\n");
            if (!r) {
                qWarning() << "Could not execute tags in storages query" << q.lastError();
                return true;
            }
 
            q.bindValue(":tag_id", tagId);
 
            if (!q.exec()) {
                qWarning() << "Could not execute tags in storages query" << q.lastError() << q.boundValues();
                return true;
            }
            else {
                q.first();
 
                if (q.value(0).toInt() > 0) {
                    storageActive = ShowActiveStorages;
                }
            }
        }
    }
 
    if (d->tagFilter == ShowAllTags) {
        return (storageActive == d->storageFilter);
    }
 
    return ((storageActive == d->storageFilter) && (tagActive == d->tagFilter));
}

References KisAllTagsModel::Active, d, KisAllTagsModel::Id, ShowActiveStorages, ShowAllStorages, ShowAllTags, KisTagModel::Private::storageFilter, and KisTagModel::Private::tagFilter.

indexForTag()

QModelIndex KisTagModel::indexForTag ( KisTagSP tag ) const

overridevirtual

Implements KisAbstractTagModel.

Definition at line 573 of file KisTagModel.cpp.

{
    KisAbstractTagModel *source = dynamic_cast<KisAbstractTagModel*>(sourceModel());
    if (source) {
        return mapFromSource(source->indexForTag(tag));
    }
    return QModelIndex();
 
}

References source().

lessThan()

bool KisTagModel::lessThan ( const QModelIndex & source_left, const QModelIndex & source_right ) const

overrideprotected

Definition at line 720 of file KisTagModel.cpp.

{
    const bool leftIsFakeRow = source_left.row() < s_fakeRowsCount;
    const bool rightIsFakeRow = source_right.row() < s_fakeRowsCount;
    // Always sort fake rows ("All" and "All Untagged") above the rest.
    if (leftIsFakeRow && rightIsFakeRow) {
        return source_left.row() < source_right.row();
    } else if (leftIsFakeRow) {
        return true;
    } else if (rightIsFakeRow) {
        return false;
    } else {
        QString nameLeft = sourceModel()->data(source_left, Qt::UserRole + KisAllTagsModel::Name).toString().toLower();
        QString nameRight = sourceModel()->data(source_right, Qt::UserRole + KisAllTagsModel::Name).toString().toLower();
        return (nameLeft < nameRight);
    }
}

References KisAllTagsModel::Name, and s_fakeRowsCount.

renameTag()

bool KisTagModel::renameTag ( const KisTagSP tag, const QString & newName, const bool allowOverwrite )

overridevirtual

Implements KisAbstractTagModel.

Definition at line 640 of file KisTagModel.cpp.

{
    KisAbstractTagModel *source = dynamic_cast<KisAbstractTagModel*>(sourceModel());
    if (source) {
        return source->renameTag(tag, newName, allowOverwrite);
    }
    return false;
}

References source().

setStorageFilter()

void KisTagModel::setStorageFilter

(

KisTagModel::StorageFilter

filter

)

Definition at line 565 of file KisTagModel.cpp.

{
    if (d->storageFilter != filter) {
        d->storageFilter = filter;
        invalidateFilter();
    }
}

References d, and KisTagModel::Private::storageFilter.

setTagActive()

bool KisTagModel::setTagActive ( const KisTagSP tag )

overridevirtual

Implements KisAbstractTagModel.

Definition at line 630 of file KisTagModel.cpp.

{
    KisAbstractTagModel *source = dynamic_cast<KisAbstractTagModel*>(sourceModel());
    if (source) {
        return source->setTagActive(tag) ;
    }
    return false;
 
}

References source().

setTagFilter()

void KisTagModel::setTagFilter

(

KisTagModel::TagFilter

filter

)

Definition at line 557 of file KisTagModel.cpp.

{
    if (d->tagFilter != filter) {
        d->tagFilter = filter;
        invalidateFilter();
    }
}

References d, and KisTagModel::Private::tagFilter.

setTagInactive()

bool KisTagModel::setTagInactive ( const KisTagSP tag )

overridevirtual

Implements KisAbstractTagModel.

Definition at line 621 of file KisTagModel.cpp.

{
    KisAbstractTagModel *source = dynamic_cast<KisAbstractTagModel*>(sourceModel());
    if (source) {
        return source->setTagInactive(tag) ;
    }
    return false;
}

References source().

tagForIndex()

KisTagSP KisTagModel::tagForIndex ( QModelIndex index = QModelIndex() ) const

overridevirtual

Implements KisAbstractTagModel.

Definition at line 583 of file KisTagModel.cpp.

{
    KisAbstractTagModel *source = dynamic_cast<KisAbstractTagModel*>(sourceModel());
    if (source) {
        return source->tagForIndex(mapToSource(index));
    }
    return 0;
}

References source().

tagForUrl()

KisTagSP KisTagModel::tagForUrl ( const QString & url ) const

overridevirtual

Retrieve a tag by url.

Implements KisAbstractTagModel.

Definition at line 602 of file KisTagModel.cpp.

{
    KisAbstractTagModel *source = dynamic_cast<KisAbstractTagModel*>(sourceModel());
    if (source) {
        return source->tagForUrl(url);
    }
    return 0;
}

References source().

Friends And Related Symbol Documentation

DlgDbExplorer

friend class DlgDbExplorer

friend

Definition at line 168 of file KisTagModel.h.

TestTagModel

friend class TestTagModel

friend

Definition at line 169 of file KisTagModel.h.

Member Data Documentation

d

Private* const KisTagModel::d

private

Definition at line 173 of file KisTagModel.h.

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

• libs/resources/KisTagModel.h
• libs/resources/KisTagModel.cpp