summaryrefslogtreecommitdiffstats
path: root/src/charts/barchart/vertical/bar/qbarseries.cpp
blob: ad9f45b158fda8799fee3ecd6722d958d5dcd85b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, 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 Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/

#include <QtCharts/QBarSeries>
#include <private/qbarseries_p.h>
#include <private/barchartitem_p.h>
#include <private/chartdataset_p.h>
#include <private/charttheme_p.h>
#include <QtCharts/QValueAxis>
#include <QtCharts/QBarCategoryAxis>

QT_CHARTS_BEGIN_NAMESPACE

/*!
    \class QBarSeries
    \inmodule Qt Charts
    \brief Series for creating bar chart.
    \mainclass

    QBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars
    as groups, where bars in same category are grouped next to each other. QBarSeries groups the data
    from sets to categories, which are defined by a QStringList.

    See the \l {BarChart Example} {bar chart example} to learn how to create a grouped bar chart.
    \image examples_barchart.png

    \sa QBarSet, QPercentBarSeries, QAbstractBarSeries, QStackedBarSeries
*/
/*!
    \qmltype BarSeries
    \instantiates QBarSeries
    \inqmlmodule QtCharts

    \inherits AbstractBarSeries

    \brief Series for creating bar chart.

    The following QML shows how to create a simple grouped bar chart:
    \snippet qmlchart/qml/qmlchart/View6.qml 1
    \beginfloatleft
    \image examples_qmlchart6.png
    \endfloat
    \clearfloat
*/

/*!
    Constructs empty QBarSeries.
    QBarSeries is QObject which is a child of a \a parent.
*/
QBarSeries::QBarSeries(QObject *parent)
    : QAbstractBarSeries(*new QBarSeriesPrivate(this), parent)
{

}

/*!
    Returns QAbstractSeries::SeriesTypeBar.
*/
QAbstractSeries::SeriesType QBarSeries::type() const
{
    return QAbstractSeries::SeriesTypeBar;
}

/*!
    Destructor. Removes series from chart.
*/
QBarSeries::~QBarSeries()
{
    Q_D(QBarSeries);
    if (d->m_chart)
        d->m_chart->removeSeries(this);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

QBarSeriesPrivate::QBarSeriesPrivate(QBarSeries *q) : QAbstractBarSeriesPrivate(q)
{

}

void QBarSeriesPrivate::initializeDomain()
{
    qreal minX(domain()->minX());
    qreal minY(domain()->minY());
    qreal maxX(domain()->maxX());
    qreal maxY(domain()->maxY());

    qreal x = categoryCount();
    minX = qMin(minX, - (qreal)0.5);
    minY = qMin(minY, min());
    maxX = qMax(maxX, x - (qreal)0.5);
    maxY = qMax(maxY, max());

    domain()->setRange(minX, maxX, minY, maxY);
}


void QBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent)
{
    Q_Q(QBarSeries);
    BarChartItem *bar = new BarChartItem(q,parent);
    m_item.reset(bar);
    QAbstractSeriesPrivate::initializeGraphics(parent);
}

#include "moc_qbarseries.cpp"

QT_CHARTS_END_NAMESPACE