qabstractbarseries.cpp
782 lines
| 22.2 KiB
| text/x-c
|
CppLexer
Jani Honkonen
|
r794 | /**************************************************************************** | ||
| ** | ||||
| ** Copyright (C) 2012 Digia Plc | ||||
| ** All rights reserved. | ||||
| ** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
| ** | ||||
| ** This file is part of the Qt Commercial Charts Add-on. | ||||
| ** | ||||
| ** $QT_BEGIN_LICENSE$ | ||||
| ** Licensees holding valid Qt Commercial licenses may use this file in | ||||
| ** accordance with the Qt Commercial License Agreement provided with the | ||||
| ** Software or, alternatively, in accordance with the terms contained in | ||||
| ** a written agreement between you and Digia. | ||||
| ** | ||||
| ** If you have questions regarding the use of this file, please use | ||||
| ** contact form at http://qt.digia.com | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
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r1586 | #include "qabstractbarseries.h" | ||
| #include "qabstractbarseries_p.h" | ||||
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r172 | #include "qbarset.h" | ||
Michal Klocek
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r938 | #include "qbarset_p.h" | ||
|
Michal Klocek
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r943 | #include "domain_p.h" | ||
|
Michal Klocek
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r950 | #include "legendmarker_p.h" | ||
|
Michal Klocek
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r943 | #include "chartdataset_p.h" | ||
| #include "charttheme_p.h" | ||||
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r1545 | #include "qvaluesaxis.h" | ||
|
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r1613 | #include "qbarcategoriesaxis.h" | ||
|
Michal Klocek
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r938 | |||
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r56 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||
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r313 | /*! | ||
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r1586 | \class QAbstractBarSeries | ||
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r1502 | \brief Series for creating a bar chart | ||
Tero Ahola
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r995 | \mainclass | ||
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r313 | |||
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r1586 | QAbstractBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars to | ||
|
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r1208 | the position defined by data. Single bar is defined by QPointF, where x value is the x-coordinate of the bar | ||
| and y-value is the height of the bar. The category names are ignored with this series and x-axis | ||||
| shows the x-values. | ||||
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r313 | |||
|
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r995 | See the \l {BarChart Example} {bar chart example} to learn how to create a simple bar chart. | ||
| \image examples_barchart.png | ||||
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r319 | |||
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r377 | \sa QBarSet, QStackedBarSeries, QPercentBarSeries | ||
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r313 | */ | ||
|
Tero Ahola
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r1489 | /*! | ||
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r1590 | \qmlclass AbstractBarSeries QAbstractBarSeries | ||
|
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r1588 | \inherits QAbstractSeries | ||
|
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r1521 | |||
| The following QML shows how to create a simple bar chart: | ||||
| \snippet ../demos/qmlchart/qml/qmlchart/View6.qml 1 | ||||
|
Tero Ahola
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r1489 | |||
| \beginfloatleft | ||||
| \image demos_qmlchart6.png | ||||
| \endfloat | ||||
| \clearfloat | ||||
| */ | ||||
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r313 | |||
Marek Rosa
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r1361 | /*! | ||
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r1586 | \property QAbstractBarSeries::barWidth | ||
|
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r1489 | The width of the bars of the series. The unit of \a width is the unit of x-axis. The minimum width for bars | ||
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r1425 | is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen | ||
| is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis. | ||||
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r1594 | Note that with QBarSeries this value means the width of one group of bars instead of just one bar. | ||
| \sa QBarSeries | ||||
|
Marek Rosa
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r1361 | */ | ||
|
Tero Ahola
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r1489 | /*! | ||
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r1590 | \qmlproperty real AbstractBarSeries::barWidth | ||
|
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r1489 | The width of the bars of the series. The unit of width is the unit of x-axis. The minimum width for bars | ||
| is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen | ||||
| is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis. | ||||
|
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r1594 | Note that with QBarSeries this value means the width of one group of bars instead of just one bar. | ||
|
Tero Ahola
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r1489 | */ | ||
|
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r1361 | |||
| /*! | ||||
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r1586 | \property QAbstractBarSeries::count | ||
|
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r1489 | Holds the number of sets in series. | ||
| */ | ||||
| /*! | ||||
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r1590 | \qmlproperty int AbstractBarSeries::count | ||
|
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r1489 | Holds the number of sets in series. | ||
|
Marek Rosa
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r1361 | */ | ||
| /*! | ||||
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r1586 | \property QAbstractBarSeries::labelsVisible | ||
|
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r1489 | Defines the visibility of the labels in series | ||
| */ | ||||
| /*! | ||||
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r1590 | \qmlproperty bool AbstractBarSeries::labelsVisible | ||
|
Tero Ahola
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r1489 | Defines the visibility of the labels in series | ||
|
Marek Rosa
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r1361 | */ | ||
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r313 | /*! | ||
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r1586 | \fn void QAbstractBarSeries::clicked(int index, QBarSet *barset) | ||
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r1321 | The signal is emitted if the user clicks with a mouse on top of QBarSet \a barset. | ||
| Clicked bar inside set is indexed by \a index | ||||
|
Tero Ahola
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r973 | */ | ||
|
Tero Ahola
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r1489 | /*! | ||
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r1590 | \qmlsignal AbstractBarSeries::onClicked(int index, BarSet barset) | ||
|
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r1489 | The signal is emitted if the user clicks with a mouse on top of BarSet. | ||
| Clicked bar inside set is indexed by \a index | ||||
| */ | ||||
|
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r973 | |||
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r980 | /*! | ||
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r1586 | \fn void QAbstractBarSeries::hovered(bool status, QBarSet* barset) | ||
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r980 | |||
| The signal is emitted if mouse is hovered on top of series. | ||||
| Parameter \a barset is the pointer of barset, where hover happened. | ||||
| Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series. | ||||
| */ | ||||
|
Tero Ahola
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r1489 | /*! | ||
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r1590 | \qmlsignal AbstractBarSeries::onHovered(bool status, BarSet barset) | ||
|
Tero Ahola
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r1489 | |||
| The signal is emitted if mouse is hovered on top of series. | ||||
| Parameter \a barset is the pointer of barset, where hover happened. | ||||
| Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series. | ||||
| */ | ||||
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r1460 | |||
| /*! | ||||
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r1586 | \fn void QAbstractBarSeries::countChanged() | ||
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r1489 | This signal is emitted when barset count has been changed, for example by append or remove. | ||
| */ | ||||
| /*! | ||||
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r1590 | \qmlsignal AbstractBarSeries::onCountChanged() | ||
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r1460 | This signal is emitted when barset count has been changed, for example by append or remove. | ||
| */ | ||||
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r980 | |||
|
Marek Rosa
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r1361 | /*! | ||
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r1586 | \fn void QAbstractBarSeries::labelsVisibleChanged() | ||
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r1489 | This signal is emitted when labels visibility have changed. | ||
|
Marek Rosa
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r1362 | \sa isLabelsVisible(), setLabelsVisible() | ||
|
Marek Rosa
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r1361 | */ | ||
| /*! | ||||
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r1586 | \fn void QAbstractBarSeries::barsetsAdded(QList<QBarSet*> sets) | ||
|
Marek Rosa
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r1361 | This signal is emitted when \a sets have been added to the series. | ||
| \sa append(), insert() | ||||
| */ | ||||
|
Tero Ahola
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r1506 | /*! | ||
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r1590 | \qmlsignal AbstractBarSeries::onAdded(BarSet barset) | ||
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r1506 | Emitted when \a barset has been added to the series. | ||
| */ | ||||
|
Marek Rosa
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r1361 | |||
| /*! | ||||
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r1586 | \fn void QAbstractBarSeries::barsetsRemoved(QList<QBarSet*> sets) | ||
|
Marek Rosa
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r1361 | This signal is emitted when \a sets have been removed from the series. | ||
| \sa remove() | ||||
| */ | ||||
|
Tero Ahola
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r1506 | /*! | ||
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r1590 | \qmlsignal AbstractBarSeries::onRemoved(BarSet barset) | ||
|
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r1506 | Emitted when \a barset has been removed from the series. | ||
| */ | ||||
|
Marek Rosa
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r1361 | |||
|
Tero Ahola
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r1521 | /*! | ||
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r1590 | \qmlmethod BarSet AbstractBarSeries::at(int index) | ||
|
Tero Ahola
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r1521 | Returns bar set at \a index. Returns null if the index is not valid. | ||
| */ | ||||
| /*! | ||||
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r1590 | \qmlmethod BarSet AbstractBarSeries::append(string label, VariantList values) | ||
|
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r1532 | Adds a new bar set with \a label and \a values to \a index. Values can be a list of reals or a list of XYPoints. | ||
|
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r1521 | For example: | ||
| \code | ||||
| myBarSeries.append("set 1", [0, 0.2, 0.2, 0.5, 0.4, 1.5, 0.9]); | ||||
| myBarSeries.append("set 2", [Qt.point(0, 1), Qt.point(2, 2.5), Qt.point(3.5, 2.2)]); | ||||
| \endcode | ||||
| */ | ||||
| /*! | ||||
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r1590 | \qmlmethod BarSet AbstractBarSeries::insert(int index, string label, VariantList values) | ||
|
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r1532 | Inserts a new bar set with \a label and \a values to \a index. Values can be a list of reals or a list of XYPoints. | ||
|
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r1521 | If index is zero or smaller, the new barset is prepended. If the index is count or bigger, the new barset is | ||
| appended. | ||||
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r1590 | \sa AbstractBarSeries::append() | ||
|
Tero Ahola
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r1521 | */ | ||
| /*! | ||||
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r1590 | \qmlmethod bool AbstractBarSeries::remove(BarSet barset) | ||
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r1521 | Removes the barset from the series. Returns true if successfull, false otherwise. | ||
| */ | ||||
| /*! | ||||
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r1590 | \qmlmethod AbstractBarSeries::clear() | ||
|
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r1521 | Removes all barsets from the series. | ||
| */ | ||||
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r313 | /*! | ||
|
Michal Klocek
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r1707 | This is depreciated constructor. | ||
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r313 | */ | ||
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r1584 | QAbstractBarSeries::QAbstractBarSeries(QObject *parent) : | ||
|
Michal Klocek
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r1707 | QAbstractSeries(*(QAbstractBarSeriesPrivate*)(0),parent) | ||
|
Michal Klocek
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r938 | { | ||
| } | ||||
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r980 | /*! | ||
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r1590 | Destructs abstractbarseries and owned barsets. | ||
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r980 | */ | ||
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r1584 | QAbstractBarSeries::~QAbstractBarSeries() | ||
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r980 | { | ||
|
Michal Klocek
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r1725 | |||
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r980 | } | ||
|
Tero Ahola
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r973 | /*! | ||
| \internal | ||||
| */ | ||||
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r1584 | QAbstractBarSeries::QAbstractBarSeries(QAbstractBarSeriesPrivate &d, QObject *parent) : | ||
|
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r988 | QAbstractSeries(d,parent) | ||
|
Michal Klocek
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r943 | { | ||
| } | ||||
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r1493 | /*! | ||
| Sets the width of the bars of the series. The unit of \a width is the unit of x-axis. The minimum width for bars | ||||
| is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen | ||||
| is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis. | ||||
|
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r1594 | Note that with \link QBarSeries \endlink this value means the width of one group of bars instead of just one bar. | ||
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r1493 | */ | ||
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r1584 | void QAbstractBarSeries::setBarWidth(qreal width) | ||
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r1283 | { | ||
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r1584 | Q_D(QAbstractBarSeries); | ||
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r1425 | d->setBarWidth(width); | ||
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r1283 | } | ||
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r1493 | /*! | ||
| Returns the width of the bars of the series. | ||||
| \sa setBarWidth() | ||||
| */ | ||||
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r1584 | qreal QAbstractBarSeries::barWidth() const | ||
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r1284 | { | ||
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r1584 | Q_D(const QAbstractBarSeries); | ||
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r1425 | return d->barWidth(); | ||
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r1284 | } | ||
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r313 | /*! | ||
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r1208 | Adds a set of bars to series. Takes ownership of \a set. If the set is null or is already in series, it won't be appended. | ||
| Returns true, if appending succeeded. | ||||
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r313 | */ | ||
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r1584 | bool QAbstractBarSeries::append(QBarSet *set) | ||
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r171 | { | ||
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r1584 | Q_D(QAbstractBarSeries); | ||
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r1353 | bool success = d->append(set); | ||
| if (success) { | ||||
| QList<QBarSet*> sets; | ||||
| sets.append(set); | ||||
| emit barsetsAdded(sets); | ||||
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Tero Ahola
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r1462 | emit countChanged(); | ||
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r1353 | } | ||
| return success; | ||||
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r171 | } | ||
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r313 | /*! | ||
|
Michal Klocek
|
r974 | Removes a set of bars from series. Releases ownership of \a set. Doesn't delete \a set. | ||
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r1208 | Returns true, if set was removed. | ||
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r313 | */ | ||
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r1584 | bool QAbstractBarSeries::remove(QBarSet *set) | ||
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r171 | { | ||
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r1584 | Q_D(QAbstractBarSeries); | ||
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r1353 | bool success = d->remove(set); | ||
| if (success) { | ||||
| QList<QBarSet*> sets; | ||||
| sets.append(set); | ||||
| emit barsetsRemoved(sets); | ||||
|
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r1462 | emit countChanged(); | ||
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r1353 | } | ||
| return success; | ||||
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r850 | } | ||
| /*! | ||||
| Adds a list of barsets to series. Takes ownership of \a sets. | ||||
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r1208 | Returns true, if all sets were appended succesfully. If any of the sets is null or is already appended to series, | ||
| nothing is appended and function returns false. If any of the sets is in list more than once, nothing is appended | ||||
| and function returns false. | ||||
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r850 | */ | ||
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r1584 | bool QAbstractBarSeries::append(QList<QBarSet* > sets) | ||
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r850 | { | ||
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r1584 | Q_D(QAbstractBarSeries); | ||
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r1353 | bool success = d->append(sets); | ||
| if (success) { | ||||
| emit barsetsAdded(sets); | ||||
|
Tero Ahola
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r1462 | emit countChanged(); | ||
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r1353 | } | ||
| return success; | ||||
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r850 | } | ||
|
Marek Rosa
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r1362 | /*! | ||
| Insert a set of bars to series at \a index postion. Takes ownership of \a set. If the set is null or is already in series, it won't be appended. | ||||
| Returns true, if inserting succeeded. | ||||
| */ | ||||
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r1584 | bool QAbstractBarSeries::insert(int index, QBarSet *set) | ||
|
Marek Rosa
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r1362 | { | ||
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r1584 | Q_D(QAbstractBarSeries); | ||
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Marek Rosa
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r1362 | bool success = d->insert(index, set); | ||
| if (success) { | ||||
| QList<QBarSet*> sets; | ||||
| sets.append(set); | ||||
| emit barsetsAdded(sets); | ||||
|
Tero Ahola
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r1462 | emit countChanged(); | ||
|
Marek Rosa
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r1362 | } | ||
| return success; | ||||
| } | ||||
|
Marek Rosa
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r1356 | /*! | ||
| Removes all of the bar sets from the series | ||||
| */ | ||||
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r1584 | void QAbstractBarSeries::clear() | ||
|
Marek Rosa
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r1295 | { | ||
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r1584 | Q_D(QAbstractBarSeries); | ||
|
Marek Rosa
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r1364 | QList<QBarSet *> sets = barSets(); | ||
| bool success = d->remove(sets); | ||||
|
Marek Rosa
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r1363 | if (success) { | ||
| emit barsetsRemoved(sets); | ||||
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Tero Ahola
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r1462 | emit countChanged(); | ||
|
Marek Rosa
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r1363 | } | ||
|
Marek Rosa
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r1295 | } | ||
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r313 | /*! | ||
| Returns number of sets in series. | ||||
| */ | ||||
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r1584 | int QAbstractBarSeries::count() const | ||
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r214 | { | ||
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r1584 | Q_D(const QAbstractBarSeries); | ||
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r1005 | return d->m_barSets.count(); | ||
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r214 | } | ||
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r313 | /*! | ||
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r357 | Returns a list of sets in series. Keeps ownership of sets. | ||
| */ | ||||
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r1584 | QList<QBarSet*> QAbstractBarSeries::barSets() const | ||
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r214 | { | ||
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r1584 | Q_D(const QAbstractBarSeries); | ||
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r1005 | return d->m_barSets; | ||
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r214 | } | ||
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r839 | /*! | ||
| Sets the visibility of labels in series to \a visible | ||||
| */ | ||||
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r1584 | void QAbstractBarSeries::setLabelsVisible(bool visible) | ||
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r813 | { | ||
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r1584 | Q_D(QAbstractBarSeries); | ||
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r1246 | if (d->m_labelsVisible != visible) { | ||
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r1353 | d->setLabelsVisible(visible); | ||
| emit labelsVisibleChanged(); | ||||
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r813 | } | ||
| } | ||||
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r1299 | /*! | ||
| Returns the visibility of labels | ||||
| */ | ||||
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r1584 | bool QAbstractBarSeries::isLabelsVisible() const | ||
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r1246 | { | ||
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r1584 | Q_D(const QAbstractBarSeries); | ||
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r1246 | return d->m_labelsVisible; | ||
| } | ||||
|
Michal Klocek
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r938 | /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||
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r1584 | QAbstractBarSeriesPrivate::QAbstractBarSeriesPrivate(QAbstractBarSeries *q) : | ||
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Tero Ahola
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r988 | QAbstractSeriesPrivate(q), | ||
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r1425 | m_barWidth(0.5), // Default value is 50% of category width | ||
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r1284 | m_labelsVisible(false), | ||
| m_visible(true) | ||||
|
Michal Klocek
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r938 | { | ||
| } | ||||
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r1584 | int QAbstractBarSeriesPrivate::categoryCount() const | ||
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r1208 | { | ||
| // No categories defined. return count of longest set. | ||||
| int count = 0; | ||||
| for (int i=0; i<m_barSets.count(); i++) { | ||||
| if (m_barSets.at(i)->count() > count) { | ||||
| count = m_barSets.at(i)->count(); | ||||
| } | ||||
| } | ||||
| return count; | ||||
| } | ||||
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r1584 | void QAbstractBarSeriesPrivate::setBarWidth(qreal width) | ||
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r1167 | { | ||
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r1425 | if (width < 0.0) { | ||
| width = 0.0; | ||||
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r1167 | } | ||
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r1425 | m_barWidth = width; | ||
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r1167 | emit updatedBars(); | ||
| } | ||||
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r1584 | qreal QAbstractBarSeriesPrivate::barWidth() const | ||
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r1167 | { | ||
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r1425 | return m_barWidth; | ||
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r1167 | } | ||
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r1112 | |||
|
sauimone
|
r1584 | QBarSet* QAbstractBarSeriesPrivate::barsetAt(int index) | ||
|
Michal Klocek
|
r938 | { | ||
|
sauimone
|
r1005 | return m_barSets.at(index); | ||
|
Michal Klocek
|
r938 | } | ||
|
sauimone
|
r1584 | void QAbstractBarSeriesPrivate::setVisible(bool visible) | ||
|
sauimone
|
r1284 | { | ||
|
sauimone
|
r1353 | m_visible = visible; | ||
| emit updatedBars(); | ||||
|
sauimone
|
r1284 | } | ||
|
sauimone
|
r1584 | void QAbstractBarSeriesPrivate::setLabelsVisible(bool visible) | ||
|
sauimone
|
r1284 | { | ||
|
sauimone
|
r1353 | m_labelsVisible = visible; | ||
| emit labelsVisibleChanged(visible); | ||||
|
sauimone
|
r1284 | } | ||
|
sauimone
|
r1584 | qreal QAbstractBarSeriesPrivate::min() | ||
|
Michal Klocek
|
r938 | { | ||
|
sauimone
|
r1005 | if (m_barSets.count() <= 0) { | ||
| return 0; | ||||
| } | ||||
| qreal min = INT_MAX; | ||||
| for (int i = 0; i < m_barSets.count(); i++) { | ||||
| int categoryCount = m_barSets.at(i)->count(); | ||||
| for (int j = 0; j < categoryCount; j++) { | ||||
|
sauimone
|
r1580 | qreal temp = m_barSets.at(i)->at(j); | ||
|
sauimone
|
r1005 | if (temp < min) | ||
| min = temp; | ||||
| } | ||||
| } | ||||
| return min; | ||||
|
Michal Klocek
|
r938 | } | ||
|
sauimone
|
r1584 | qreal QAbstractBarSeriesPrivate::max() | ||
|
Michal Klocek
|
r938 | { | ||
|
sauimone
|
r1005 | if (m_barSets.count() <= 0) { | ||
| return 0; | ||||
| } | ||||
| qreal max = INT_MIN; | ||||
| for (int i = 0; i < m_barSets.count(); i++) { | ||||
| int categoryCount = m_barSets.at(i)->count(); | ||||
| for (int j = 0; j < categoryCount; j++) { | ||||
|
sauimone
|
r1580 | qreal temp = m_barSets.at(i)->at(j); | ||
|
sauimone
|
r1005 | if (temp > max) | ||
| max = temp; | ||||
| } | ||||
| } | ||||
| return max; | ||||
|
Michal Klocek
|
r938 | } | ||
|
sauimone
|
r1584 | qreal QAbstractBarSeriesPrivate::valueAt(int set, int category) | ||
|
Michal Klocek
|
r938 | { | ||
|
sauimone
|
r1005 | if ((set < 0) || (set >= m_barSets.count())) { | ||
| // No set, no value. | ||||
| return 0; | ||||
| } else if ((category < 0) || (category >= m_barSets.at(set)->count())) { | ||||
| // No category, no value. | ||||
| return 0; | ||||
| } | ||||
|
sauimone
|
r1580 | return m_barSets.at(set)->at(category); | ||
|
Michal Klocek
|
r938 | } | ||
|
sauimone
|
r1584 | qreal QAbstractBarSeriesPrivate::percentageAt(int set, int category) | ||
|
Michal Klocek
|
r938 | { | ||
|
sauimone
|
r1005 | if ((set < 0) || (set >= m_barSets.count())) { | ||
| // No set, no value. | ||||
| return 0; | ||||
| } else if ((category < 0) || (category >= m_barSets.at(set)->count())) { | ||||
| // No category, no value. | ||||
| return 0; | ||||
| } | ||||
|
sauimone
|
r1580 | qreal value = m_barSets.at(set)->at(category); | ||
|
sauimone
|
r1005 | qreal sum = categorySum(category); | ||
| if ( qFuzzyIsNull(sum) ) { | ||||
| return 0; | ||||
| } | ||||
| return value / sum; | ||||
|
Michal Klocek
|
r938 | } | ||
|
sauimone
|
r1584 | qreal QAbstractBarSeriesPrivate::categorySum(int category) | ||
|
Michal Klocek
|
r938 | { | ||
|
sauimone
|
r1005 | qreal sum(0); | ||
| int count = m_barSets.count(); // Count sets | ||||
| for (int set = 0; set < count; set++) { | ||||
| if (category < m_barSets.at(set)->count()) | ||||
|
sauimone
|
r1580 | sum += m_barSets.at(set)->at(category); | ||
|
sauimone
|
r1005 | } | ||
| return sum; | ||||
|
Michal Klocek
|
r938 | } | ||
|
sauimone
|
r1584 | qreal QAbstractBarSeriesPrivate::absoluteCategorySum(int category) | ||
|
Michal Klocek
|
r938 | { | ||
|
sauimone
|
r1005 | qreal sum(0); | ||
| int count = m_barSets.count(); // Count sets | ||||
| for (int set = 0; set < count; set++) { | ||||
| if (category < m_barSets.at(set)->count()) | ||||
|
sauimone
|
r1580 | sum += qAbs(m_barSets.at(set)->at(category)); | ||
|
sauimone
|
r1005 | } | ||
| return sum; | ||||
|
Michal Klocek
|
r938 | } | ||
|
sauimone
|
r1584 | qreal QAbstractBarSeriesPrivate::maxCategorySum() | ||
|
Michal Klocek
|
r938 | { | ||
|
sauimone
|
r1005 | qreal max = INT_MIN; | ||
|
sauimone
|
r1208 | int count = categoryCount(); | ||
|
sauimone
|
r1005 | for (int i = 0; i < count; i++) { | ||
| qreal sum = categorySum(i); | ||||
| if (sum > max) | ||||
| max = sum; | ||||
| } | ||||
| return max; | ||||
|
Michal Klocek
|
r938 | } | ||
|
sauimone
|
r1584 | qreal QAbstractBarSeriesPrivate::minX() | ||
|
sauimone
|
r1423 | { | ||
| if (m_barSets.count() <= 0) { | ||||
| return 0; | ||||
| } | ||||
| qreal min = INT_MAX; | ||||
| for (int i = 0; i < m_barSets.count(); i++) { | ||||
| int categoryCount = m_barSets.at(i)->count(); | ||||
| for (int j = 0; j < categoryCount; j++) { | ||||
|
sauimone
|
r1580 | qreal temp = m_barSets.at(i)->d_ptr.data()->m_values.at(j).x(); | ||
|
sauimone
|
r1423 | if (temp < min) | ||
| min = temp; | ||||
| } | ||||
| } | ||||
| return min; | ||||
| } | ||||
|
sauimone
|
r1584 | qreal QAbstractBarSeriesPrivate::maxX() | ||
|
sauimone
|
r1423 | { | ||
| if (m_barSets.count() <= 0) { | ||||
| return 0; | ||||
| } | ||||
| qreal max = INT_MIN; | ||||
| for (int i = 0; i < m_barSets.count(); i++) { | ||||
| int categoryCount = m_barSets.at(i)->count(); | ||||
| for (int j = 0; j < categoryCount; j++) { | ||||
|
sauimone
|
r1580 | qreal temp = m_barSets.at(i)->d_ptr.data()->m_values.at(j).x(); | ||
|
sauimone
|
r1423 | if (temp > max) | ||
| max = temp; | ||||
| } | ||||
| } | ||||
| return max; | ||||
| } | ||||
|
sauimone
|
r1584 | void QAbstractBarSeriesPrivate::scaleDomain(Domain& domain) | ||
|
Michal Klocek
|
r943 | { | ||
| qreal minX(domain.minX()); | ||||
| qreal minY(domain.minY()); | ||||
| qreal maxX(domain.maxX()); | ||||
| qreal maxY(domain.maxY()); | ||||
|
sauimone
|
r1423 | qreal seriesMinX = this->minX(); | ||
| qreal seriesMaxX = this->maxX(); | ||||
|
sauimone
|
r962 | qreal y = max(); | ||
|
Marek Rosa
|
r1679 | minX = qMin(minX, seriesMinX - (qreal)0.5); | ||
|
Michal Klocek
|
r943 | minY = qMin(minY, y); | ||
|
Marek Rosa
|
r1679 | maxX = qMax(maxX, seriesMaxX + (qreal)0.5); | ||
|
Michal Klocek
|
r943 | maxY = qMax(maxY, y); | ||
|
Michal Klocek
|
r1698 | domain.setRange(minX,maxX,minY,maxY); | ||
|
Michal Klocek
|
r943 | } | ||
|
Michal Klocek
|
r1736 | ChartElement* QAbstractBarSeriesPrivate::createGraphics(ChartPresenter* presenter) | ||
|
Michal Klocek
|
r943 | { | ||
|
sauimone
|
r1673 | Q_UNUSED(presenter); | ||
| qWarning() << "QAbstractBarSeriesPrivate::createGraphics called"; | ||||
| return 0; | ||||
|
Michal Klocek
|
r943 | } | ||
|
sauimone
|
r1584 | QList<LegendMarker*> QAbstractBarSeriesPrivate::createLegendMarker(QLegend* legend) | ||
|
Michal Klocek
|
r950 | { | ||
|
sauimone
|
r1584 | Q_Q(QAbstractBarSeries); | ||
|
Michal Klocek
|
r950 | QList<LegendMarker*> markers; | ||
| foreach(QBarSet* set, q->barSets()) { | ||||
| BarLegendMarker* marker = new BarLegendMarker(q,set,legend); | ||||
| markers << marker; | ||||
| } | ||||
| return markers; | ||||
| } | ||||
|
sauimone
|
r1584 | bool QAbstractBarSeriesPrivate::append(QBarSet *set) | ||
|
sauimone
|
r1263 | { | ||
|
sauimone
|
r1584 | Q_Q(QAbstractBarSeries); | ||
|
sauimone
|
r1263 | if ((m_barSets.contains(set)) || (set == 0)) { | ||
| // Fail if set is already in list or set is null. | ||||
| return false; | ||||
| } | ||||
| m_barSets.append(set); | ||||
|
sauimone
|
r1339 | QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars())); | ||
| QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars())); | ||||
|
sauimone
|
r1437 | emit restructuredBars(); // this notifies barchartitem | ||
|
sauimone
|
r1263 | if (m_dataset) { | ||
| m_dataset->updateSeries(q); // this notifies legend | ||||
| } | ||||
| return true; | ||||
| } | ||||
|
sauimone
|
r1584 | bool QAbstractBarSeriesPrivate::remove(QBarSet *set) | ||
|
sauimone
|
r1263 | { | ||
|
sauimone
|
r1584 | Q_Q(QAbstractBarSeries); | ||
|
sauimone
|
r1263 | if (!m_barSets.contains(set)) { | ||
| // Fail if set is not in list | ||||
| return false; | ||||
| } | ||||
| m_barSets.removeOne(set); | ||||
|
sauimone
|
r1339 | QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars())); | ||
| QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars())); | ||||
|
sauimone
|
r1437 | emit restructuredBars(); // this notifies barchartitem | ||
|
sauimone
|
r1263 | if (m_dataset) { | ||
| m_dataset->updateSeries(q); // this notifies legend | ||||
| } | ||||
| return true; | ||||
| } | ||||
|
sauimone
|
r1584 | bool QAbstractBarSeriesPrivate::append(QList<QBarSet* > sets) | ||
|
sauimone
|
r1263 | { | ||
|
sauimone
|
r1584 | Q_Q(QAbstractBarSeries); | ||
|
sauimone
|
r1263 | foreach (QBarSet* set, sets) { | ||
| if ((set == 0) || (m_barSets.contains(set))) { | ||||
| // Fail if any of the sets is null or is already appended. | ||||
| return false; | ||||
| } | ||||
| if (sets.count(set) != 1) { | ||||
| // Also fail if same set is more than once in given list. | ||||
| return false; | ||||
| } | ||||
| } | ||||
| foreach (QBarSet* set, sets) { | ||||
| m_barSets.append(set); | ||||
|
sauimone
|
r1339 | QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars())); | ||
| QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars())); | ||||
|
sauimone
|
r1263 | } | ||
|
sauimone
|
r1437 | emit restructuredBars(); // this notifies barchartitem | ||
|
sauimone
|
r1263 | if (m_dataset) { | ||
| m_dataset->updateSeries(q); // this notifies legend | ||||
| } | ||||
| return true; | ||||
| } | ||||
|
sauimone
|
r1584 | bool QAbstractBarSeriesPrivate::remove(QList<QBarSet* > sets) | ||
|
sauimone
|
r1263 | { | ||
|
sauimone
|
r1584 | Q_Q(QAbstractBarSeries); | ||
|
sauimone
|
r1371 | if (sets.count() == 0) { | ||
| return false; | ||||
| } | ||||
|
sauimone
|
r1263 | foreach (QBarSet* set, sets) { | ||
|
sauimone
|
r1353 | if ((set == 0) || (!m_barSets.contains(set))) { | ||
| // Fail if any of the sets is null or is not in series | ||||
| return false; | ||||
| } | ||||
| if (sets.count(set) != 1) { | ||||
| // Also fail if same set is more than once in given list. | ||||
| return false; | ||||
|
sauimone
|
r1263 | } | ||
| } | ||||
|
sauimone
|
r1353 | foreach (QBarSet* set, sets) { | ||
| m_barSets.removeOne(set); | ||||
| QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars())); | ||||
| QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars())); | ||||
|
sauimone
|
r1263 | } | ||
|
sauimone
|
r1353 | |||
|
sauimone
|
r1437 | emit restructuredBars(); // this notifies barchartitem | ||
|
sauimone
|
r1353 | if (m_dataset) { | ||
| m_dataset->updateSeries(q); // this notifies legend | ||||
| } | ||||
| return true; | ||||
|
sauimone
|
r1263 | } | ||
|
sauimone
|
r1584 | bool QAbstractBarSeriesPrivate::insert(int index, QBarSet *set) | ||
|
Marek Rosa
|
r1362 | { | ||
|
sauimone
|
r1584 | Q_Q(QAbstractBarSeries); | ||
|
Marek Rosa
|
r1362 | if ((m_barSets.contains(set)) || (set == 0)) { | ||
| // Fail if set is already in list or set is null. | ||||
| return false; | ||||
| } | ||||
| m_barSets.insert(index, set); | ||||
| QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars())); | ||||
| QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars())); | ||||
|
sauimone
|
r1437 | emit restructuredBars(); // this notifies barchartitem | ||
|
Marek Rosa
|
r1362 | if (m_dataset) { | ||
| m_dataset->updateSeries(q); // this notifies legend | ||||
| } | ||||
| return true; | ||||
| } | ||||
|
Michal Klocek
|
r1695 | void QAbstractBarSeriesPrivate::initializeAxis(QAbstractAxis* axis) | ||
|
Michal Klocek
|
r1588 | { | ||
|
Michal Klocek
|
r1707 | Q_Q(QAbstractBarSeries); | ||
| if(axis->type()==QAbstractAxis::AxisTypeCategories) { | ||||
| switch(q->type()) { | ||||
| case QAbstractSeries::SeriesTypeHorizontalBar: | ||||
| case QAbstractSeries::SeriesTypeHorizontalPercentBar: | ||||
| case QAbstractSeries::SeriesTypeHorizontalStackedBar: { | ||||
| if(axis->orientation()==Qt::Vertical) | ||||
| { | ||||
| populateCategories(qobject_cast<QBarCategoriesAxis*>(axis)); | ||||
| } | ||||
| break; | ||||
| } | ||||
| case QAbstractSeries::SeriesTypeBar: | ||||
| case QAbstractSeries::SeriesTypePercentBar: | ||||
| case QAbstractSeries::SeriesTypeStackedBar: { | ||||
| if(axis->orientation()==Qt::Horizontal) | ||||
| { | ||||
| populateCategories(qobject_cast<QBarCategoriesAxis*>(axis)); | ||||
| } | ||||
| break; | ||||
| } | ||||
| default: | ||||
| qWarning()<<"Unexpected series type"; | ||||
| break; | ||||
|
Michal Klocek
|
r1706 | } | ||
|
Michal Klocek
|
r1595 | } | ||
|
Michal Klocek
|
r1588 | } | ||
|
Michal Klocek
|
r1695 | QAbstractAxis::AxisType QAbstractBarSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const | ||
|
Michal Klocek
|
r1588 | { | ||
|
Michal Klocek
|
r1707 | Q_Q(const QAbstractBarSeries); | ||
| switch(q->type()) { | ||||
| case QAbstractSeries::SeriesTypeHorizontalBar: | ||||
| case QAbstractSeries::SeriesTypeHorizontalPercentBar: | ||||
| case QAbstractSeries::SeriesTypeHorizontalStackedBar: { | ||||
| if(orientation==Qt::Vertical) | ||||
| { | ||||
| return QAbstractAxis::AxisTypeCategories; | ||||
| } | ||||
| break; | ||||
| } | ||||
| case QAbstractSeries::SeriesTypeBar: | ||||
| case QAbstractSeries::SeriesTypePercentBar: | ||||
| case QAbstractSeries::SeriesTypeStackedBar: { | ||||
| if(orientation==Qt::Horizontal) | ||||
| { | ||||
| return QAbstractAxis::AxisTypeCategories; | ||||
| } | ||||
| break; | ||||
| } | ||||
| default: | ||||
| qWarning()<<"Unexpected series type"; | ||||
| break; | ||||
| } | ||||
| return QAbstractAxis::AxisTypeValues; | ||||
|
Michal Klocek
|
r1588 | } | ||
|
Michal Klocek
|
r1707 | void QAbstractBarSeriesPrivate::populateCategories(QBarCategoriesAxis* axis) | ||
| { | ||||
| QStringList categories; | ||||
| if(axis->categories().isEmpty()) { | ||||
| for (int i(1); i < categoryCount()+1; i++) | ||||
| categories << QString::number(i); | ||||
| axis->append(categories); | ||||
| } | ||||
| } | ||||
|
Michal Klocek
|
r1588 | |||
|
sauimone
|
r1586 | #include "moc_qabstractbarseries.cpp" | ||
| #include "moc_qabstractbarseries_p.cpp" | ||||
|
sauimone
|
r71 | |||
|
Michal Klocek
|
r1588 | |||
|
sauimone
|
r56 | QTCOMMERCIALCHART_END_NAMESPACE | ||