KUndo2Model Class Reference

#include <kundo2model.h>

Inheritance diagram for KUndo2Model:

Public Slots
void	setStack (KUndo2QStack *stack)

Public Member Functions
QIcon	cleanIcon () const
int	columnCount (const QModelIndex &parent=QModelIndex()) const override
QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const override
QString	emptyLabel () const
QModelIndex	index (int row, int column, const QModelIndex &parent=QModelIndex()) const override
	KUndo2Model (QObject *parent=0)
QModelIndex	parent (const QModelIndex &child) const override
int	rowCount (const QModelIndex &parent=QModelIndex()) const override
QModelIndex	selectedIndex () const
QItemSelectionModel *	selectionModel () const
void	setCleanIcon (const QIcon &icon)
void	setEmptyLabel (const QString &label)
KUndo2QStack *	stack () const

Private Slots
void	setStackCurrentIndex (const QModelIndex &index)
void	stackChanged ()
void	stackDestroyed (QObject *obj)

Private Attributes
QIcon	m_clean_icon
QString	m_empty_label
QItemSelectionModel *	m_sel_model
KUndo2QStack *	m_stack

Detailed Description

Definition at line 54 of file kundo2model.h.

Constructor & Destructor Documentation

KUndo2Model()

KUndo2Model::KUndo2Model ( QObject * parent = 0 )

explicit

Definition at line 48 of file kundo2model.cpp.

    : QAbstractItemModel(parent)
{
    m_stack = 0;
    m_sel_model = new QItemSelectionModel(this, this);
    connect(m_sel_model, SIGNAL(currentChanged(QModelIndex,QModelIndex)), this, SLOT(setStackCurrentIndex(QModelIndex)));
    m_empty_label = i18n("<empty>");
}

References connect(), m_empty_label, m_sel_model, m_stack, and setStackCurrentIndex().

Member Function Documentation

cleanIcon()

QIcon KUndo2Model::cleanIcon

(

)

const

Definition at line 202 of file kundo2model.cpp.

{
    return m_clean_icon;
}

References m_clean_icon.

columnCount()

int KUndo2Model::columnCount ( const QModelIndex & parent = QModelIndex() ) const

override

Definition at line 157 of file kundo2model.cpp.

{
    return 1;
}

data()

QVariant KUndo2Model::data ( const QModelIndex & index, int role = Qt::DisplayRole ) const

override

Definition at line 162 of file kundo2model.cpp.

{
    if (m_stack == 0)
        return QVariant();
 
    if (index.column() != 0)
        return QVariant();
 
    if (index.row() < 0 || index.row() > m_stack->count())
        return QVariant();
 
    if (role == Qt::DisplayRole) {
        if (index.row() == 0)
            return m_empty_label;
        return m_stack->text(index.row() - 1);
    } else if (role == Qt::DecorationRole) {
        if (index.row() == m_stack->cleanIndex() && !m_clean_icon.isNull())
            return m_clean_icon;
    }
 
    return QVariant();
}

References KUndo2QStack::cleanIndex(), KUndo2QStack::count(), index(), m_clean_icon, m_empty_label, m_stack, and KUndo2QStack::text().

emptyLabel()

QString KUndo2Model::emptyLabel

(

)

const

Definition at line 185 of file kundo2model.cpp.

{
    return m_empty_label;
}

References m_empty_label.

index()

QModelIndex KUndo2Model::index ( int row, int column, const QModelIndex & parent = QModelIndex() ) const

override

Definition at line 124 of file kundo2model.cpp.

{
    if (m_stack == 0)
        return QModelIndex();
 
    if (parent.isValid())
        return QModelIndex();
 
    if (column != 0)
        return QModelIndex();
 
    if (row < 0 || row > m_stack->count())
        return QModelIndex();
 
    return createIndex(row, column);
}

References KUndo2QStack::count(), m_stack, and parent().

parent()

QModelIndex KUndo2Model::parent ( const QModelIndex & child ) const

override

Definition at line 141 of file kundo2model.cpp.

{
    return QModelIndex();
}

rowCount()

int KUndo2Model::rowCount ( const QModelIndex & parent = QModelIndex() ) const

override

Definition at line 146 of file kundo2model.cpp.

{
    if (m_stack == 0)
        return 0;
 
    if (parent.isValid())
        return 0;
 
    return m_stack->count() + 1;
}

References KUndo2QStack::count(), m_stack, and parent().

selectedIndex()

QModelIndex KUndo2Model::selectedIndex

(

)

const

Definition at line 119 of file kundo2model.cpp.

{
    return m_stack == 0 ? QModelIndex() : createIndex(m_stack->index(), 0);
}

References KUndo2QStack::index(), and m_stack.

selectionModel()

QItemSelectionModel * KUndo2Model::selectionModel

(

)

const

Definition at line 57 of file kundo2model.cpp.

{
    return m_sel_model;
}

References m_sel_model.

setCleanIcon()

void KUndo2Model::setCleanIcon

(

const QIcon &

icon

)

Definition at line 196 of file kundo2model.cpp.

{
    m_clean_icon = icon;
    stackChanged();
}

References m_clean_icon, and stackChanged().

setEmptyLabel()

void KUndo2Model::setEmptyLabel

(

const QString &

label

)

Definition at line 190 of file kundo2model.cpp.

{
    m_empty_label = label;
    stackChanged();
}

References m_empty_label, and stackChanged().

setStack

void KUndo2Model::setStack ( KUndo2QStack * stack )

slot

Definition at line 67 of file kundo2model.cpp.

{
    if (m_stack == stack)
        return;
 
    if (m_stack != 0) {
        disconnect(m_stack, SIGNAL(cleanChanged(bool)), this, SLOT(stackChanged()));
        disconnect(m_stack, SIGNAL(indexChanged(int)), this, SLOT(stackChanged()));
        disconnect(m_stack, SIGNAL(destroyed(QObject*)), this, SLOT(stackDestroyed(QObject*)));
        disconnect(m_stack, SIGNAL(indexChanged(int)), this, SLOT(addImage(int)));
    }
    m_stack = stack;
    if (m_stack != 0) {
        connect(m_stack, SIGNAL(cleanChanged(bool)), this, SLOT(stackChanged()));
        connect(m_stack, SIGNAL(indexChanged(int)), this, SLOT(stackChanged()));
        connect(m_stack, SIGNAL(destroyed(QObject*)), this, SLOT(stackDestroyed(QObject*)));
        connect(m_stack, SIGNAL(indexChanged(int)), this, SLOT(addImage(int)));
    }
 
    stackChanged();
}

References connect(), m_stack, stack(), stackChanged(), and stackDestroyed().

setStackCurrentIndex

void KUndo2Model::setStackCurrentIndex ( const QModelIndex & index )

privateslot

Definition at line 105 of file kundo2model.cpp.

{
    if (m_stack == 0)
        return;
 
    if (index == selectedIndex())
        return;
 
    if (index.column() != 0)
        return;
 
    m_stack->setIndex(index.row());
}

References index(), m_stack, selectedIndex(), and KUndo2QStack::setIndex().

stack()

KUndo2QStack * KUndo2Model::stack

(

)

const

Definition at line 62 of file kundo2model.cpp.

{
    return m_stack;
}

References m_stack.

stackChanged

void KUndo2Model::stackChanged ( )

privateslot

Definition at line 98 of file kundo2model.cpp.

{
    beginResetModel();
    endResetModel();
    m_sel_model->setCurrentIndex(selectedIndex(), QItemSelectionModel::ClearAndSelect);
}

References m_sel_model, and selectedIndex().

stackDestroyed

void KUndo2Model::stackDestroyed ( QObject * obj )

privateslot

Definition at line 89 of file kundo2model.cpp.

{
    if (obj != m_stack)
        return;
    m_stack = 0;
 
    stackChanged();
}

References m_stack, and stackChanged().

Member Data Documentation

m_clean_icon

QIcon KUndo2Model::m_clean_icon

private

Definition at line 90 of file kundo2model.h.

m_empty_label

QString KUndo2Model::m_empty_label

private

Definition at line 89 of file kundo2model.h.

m_sel_model

QItemSelectionModel* KUndo2Model::m_sel_model

private

Definition at line 88 of file kundo2model.h.

m_stack

KUndo2QStack* KUndo2Model::m_stack

private

Definition at line 87 of file kundo2model.h.

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

• libs/command/kundo2model.h
• libs/command/kundo2model.cpp