##// END OF EJS Templates
Fixed bar label visibility...
Fixed bar label visibility Label for bars with zero value is not shown. This is done to avoid overlapping labels. Change-Id: Ife30c04e8ae4d9ac9df1209967cc3cd3ecb76a4f Task-number: QTRD-3695 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

File last commit:

r2782:5fbd172ba15f
r2814:79dc9c599f41
Show More
qhxymodelmapper.cpp
240 lines | 6.5 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#include <QtCharts/QHXYModelMapper>
QT_CHARTS_BEGIN_NAMESPACE
/*!
\class QHXYModelMapper
\inmodule Qt Charts
\brief Horizontal model mapper for QXYSeries.
Model mappers allow you to use QAbstractItemModel derived models as a data source for a chart series.
Horizontal model mapper is used to create a connection between QXYSeries and QAbstractItemModel derived model object.
It is possible to use both QAbstractItemModel and QXYSeries model API. QXYModelMapper makes sure that QXYSeries and the model are kept in sync.
Note: used model has to support adding/removing rows/columns and modifying the data of the cells.
*/
/*!
\qmltype HXYModelMapper
\instantiates QHXYModelMapper
\inqmlmodule QtCharts
\brief Horizontal model mapper for QXYSeries
HXYModelMapper allows you to use your own QAbstractItemModel derived model with data in rows as
a data source for XYSeries based series. It is possible to use both QAbstractItemModel and
XYSeries data API to manipulate data. HXYModelMapper keeps the series and the model in sync.
*/
/*!
\property QHXYModelMapper::series
\brief Defines the QXYSeries object that is used by the mapper.
All the data in the series is discarded when it is set to the mapper.
When new series is specified the old series is disconnected (it preserves its data)
*/
/*!
\qmlproperty XYSeries HXYModelMapper::series
Defines the XYSeries object that is used by the mapper. All the data in the series is discarded when it is set to
the mapper. When new series is specified the old series is disconnected (it preserves its data).
*/
/*!
\property QHXYModelMapper::model
\brief Defines the model that is used by the mapper.
*/
/*!
\qmlproperty SomeModel HXYModelMapper::model
The QAbstractItemModel based model that is used by the mapper. You need to implement the model
and expose it to QML. Note: the model has to support adding/removing rows/columns and modifying
the data of the cells.
*/
/*!
\property QHXYModelMapper::xRow
\brief Defines which row of the model is kept in sync with the x values of the QXYSeries.
Default value is: -1 (invalid mapping)
*/
/*!
\qmlproperty int HXYModelMapper::xRow
Defines which row of the model is kept in sync with the x values of the series. Default value is -1 (invalid
mapping).
*/
/*!
\property QHXYModelMapper::yRow
\brief Defines which row of the model is kept in sync with the y values of the QXYSeries.
Default value is: -1 (invalid mapping)
*/
/*!
\qmlproperty int HXYModelMapper::yRow
Defines which row of the model is kept in sync with the y values of the series. Default value is -1
(invalid mapping).
*/
/*!
\property QHXYModelMapper::firstColumn
\brief Defines which column of the model contains the data for the first point of the series.
Minimal and default value is: 0
*/
/*!
\qmlproperty int HXYModelMapper::firstColumn
Defines which column of the model contains the data for the first point of the series.
The default value is 0.
*/
/*!
\property QHXYModelMapper::columnCount
\brief Defines the number of columns of the model that are mapped as the data for series.
Minimal and default value is: -1 (count limited by the number of columns in the model)
*/
/*!
\qmlproperty int HXYModelMapper::columnCount
Defines the number of columns of the model that are mapped as the data for series. The default value is
-1 (count limited by the number of columns in the model)
*/
/*!
\fn void QHXYModelMapper::seriesReplaced()
Emitted when the series to which mapper is connected to has changed.
*/
/*!
\fn void QHXYModelMapper::modelReplaced()
Emitted when the model to which mapper is connected to has changed.
*/
/*!
\fn void QHXYModelMapper::xRowChanged()
Emitted when the xRow has changed.
*/
/*!
\fn void QHXYModelMapper::yRowChanged()
Emitted when the yRow has changed.
*/
/*!
\fn void QHXYModelMapper::firstColumnChanged()
Emitted when the firstColumn has changed.
*/
/*!
\fn void QHXYModelMapper::columnCountChanged()
Emitted when the columnCount has changed.
*/
/*!
Constructs a mapper object which is a child of \a parent.
*/
QHXYModelMapper::QHXYModelMapper(QObject *parent) :
QXYModelMapper(parent)
{
QXYModelMapper::setOrientation(Qt::Horizontal);
}
QAbstractItemModel *QHXYModelMapper::model() const
{
return QXYModelMapper::model();
}
void QHXYModelMapper::setModel(QAbstractItemModel *model)
{
if (model != QXYModelMapper::model()) {
QXYModelMapper::setModel(model);
emit modelReplaced();
}
}
QXYSeries *QHXYModelMapper::series() const
{
return QXYModelMapper::series();
}
void QHXYModelMapper::setSeries(QXYSeries *series)
{
if (series != QXYModelMapper::series()) {
QXYModelMapper::setSeries(series);
emit seriesReplaced();
}
}
int QHXYModelMapper::xRow() const
{
return QXYModelMapper::xSection();
}
void QHXYModelMapper::setXRow(int xRow)
{
if (xRow != xSection()) {
QXYModelMapper::setXSection(xRow);
emit xRowChanged();
}
}
int QHXYModelMapper::yRow() const
{
return QXYModelMapper::ySection();
}
void QHXYModelMapper::setYRow(int yRow)
{
if (yRow != ySection()) {
QXYModelMapper::setYSection(yRow);
emit yRowChanged();
}
}
int QHXYModelMapper::firstColumn() const
{
return first();
}
void QHXYModelMapper::setFirstColumn(int firstColumn)
{
if (firstColumn != first()) {
setFirst(firstColumn);
emit firstColumnChanged();
}
}
int QHXYModelMapper::columnCount() const
{
return count();
}
void QHXYModelMapper::setColumnCount(int columnCount)
{
if (columnCount != count()) {
setCount(columnCount);
emit columnCountChanged();
}
}
#include "moc_qhxymodelmapper.cpp"
QT_CHARTS_END_NAMESPACE