KoLineStyleModel Class Reference

The line style model managing the style data. More...

#include <KoLineStyleModel_p.h>

Inheritance diagram for KoLineStyleModel:

Public Member Functions
bool	addCustomStyle (const QVector< qreal > &style)
	adds the given style to the model
QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const override
	KoLineStyleModel (QObject *parent=0)
int	rowCount (const QModelIndex &parent=QModelIndex()) const override
int	setLineStyle (Qt::PenStyle style, const QVector< qreal > &dashes)
	selects the given style
	~KoLineStyleModel () override

Private Attributes
bool	m_hasTempStyle
	state of the temporary style
QList< QVector< qreal > >	m_styles
	the added styles
QVector< qreal >	m_tempStyle
	a temporary added style

Detailed Description

The line style model managing the style data.

Definition at line 14 of file KoLineStyleModel_p.h.

Constructor & Destructor Documentation

KoLineStyleModel()

KoLineStyleModel::KoLineStyleModel ( QObject * parent = 0 )

explicit

Definition at line 11 of file KoLineStyleModel.cpp.

    : QAbstractListModel(parent),
    m_hasTempStyle(false)
{
    // add standard dash patterns
    for (int i = Qt::NoPen; i < Qt::CustomDashLine; i++) {
        QPen pen(static_cast<Qt::PenStyle>(i));
        m_styles << pen.dashPattern();
    }
}

References m_styles.

~KoLineStyleModel()

KoLineStyleModel::~KoLineStyleModel ( )

inlineoverride

Definition at line 18 of file KoLineStyleModel_p.h.

{}

Member Function Documentation

addCustomStyle()

bool KoLineStyleModel::addCustomStyle

(

const QVector< qreal > &

style

)

adds the given style to the model

Definition at line 54 of file KoLineStyleModel.cpp.

{
    if (m_styles.contains(style))
        return false;
 
    m_styles.append(style);
    return true;
}

References m_styles.

data()

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

override

Definition at line 27 of file KoLineStyleModel.cpp.

{
    if (!index.isValid())
         return QVariant();
 
    switch(role) {
    case Qt::DecorationRole: {
        QPen pen(Qt::black);
        pen.setWidth(2);
        if (index.row() < Qt::CustomDashLine)
            pen.setStyle(static_cast<Qt::PenStyle>(index.row()));
        else if (index.row() < m_styles.count())
            pen.setDashPattern(m_styles[index.row()]);
        else if (m_hasTempStyle)
            pen.setDashPattern(m_tempStyle);
        else
            pen.setStyle(Qt::NoPen);
 
        return QVariant(pen);
    }
    case Qt::SizeHintRole:
        return QSize(100, 15);
    default:
        return QVariant();
    }
}

References m_hasTempStyle, m_styles, and m_tempStyle.

rowCount()

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

override

Definition at line 22 of file KoLineStyleModel.cpp.

{
    return m_styles.count() + (m_hasTempStyle ? 1 : 0);
}

References m_hasTempStyle, and m_styles.

setLineStyle()

int KoLineStyleModel::setLineStyle	(	Qt::PenStyle	style,
		const QVector< qreal > &	dashes )

selects the given style

Definition at line 63 of file KoLineStyleModel.cpp.

{
    // check if we select a standard or custom style
    if (style < Qt::CustomDashLine) {
        // a standard style
        m_hasTempStyle = false;
        beginResetModel();
        endResetModel();
 
        return style;
    } else if (style == Qt::CustomDashLine) {
        // a custom style -> check if already added
        int index = m_styles.indexOf(dashes, Qt::CustomDashLine);
        if (index < 0) {
            // not already added -> add temporarily
            m_tempStyle = dashes;
            m_hasTempStyle = true;
            beginResetModel();
            endResetModel();
 
            return m_styles.count();
        } else {
            // already added -> return index
            m_hasTempStyle = false;
            beginResetModel();
            endResetModel();
 
            return index;
        }
    }
    return -1;
}

References m_hasTempStyle, m_styles, and m_tempStyle.

Member Data Documentation

m_hasTempStyle

bool KoLineStyleModel::m_hasTempStyle

private

state of the temporary style

Definition at line 29 of file KoLineStyleModel_p.h.

m_styles

QList<QVector<qreal> > KoLineStyleModel::m_styles

private

the added styles

Definition at line 27 of file KoLineStyleModel_p.h.

m_tempStyle

QVector<qreal> KoLineStyleModel::m_tempStyle

private

a temporary added style

Definition at line 28 of file KoLineStyleModel_p.h.

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

• libs/widgets/KoLineStyleModel_p.h
• libs/widgets/KoLineStyleModel.cpp