1// Copyright (C) 2017 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#include "qcategory3daxis_p.h"
5#include "bars3dcontroller_p.h"
6
7QT_BEGIN_NAMESPACE
8
9/*!
10 * \class QCategory3DAxis
11 * \inmodule QtDataVisualization
12 * \brief The QCategory3DAxis class manipulates an axis of a graph.
13 * \since QtDataVisualization 1.0
14 *
15 * QCategory3DAxis provides an axis that can be given labels. The axis is divided into equal-sized
16 * categories based on the data window size defined by setting the axis range.
17 *
18 * Grid lines are drawn between categories, if visible. Labels are drawn to positions of categories
19 * if provided.
20 */
21
22/*!
23 * \qmltype CategoryAxis3D
24 * \inqmlmodule QtDataVisualization
25 * \since QtDataVisualization 1.0
26 * \ingroup datavisualization_qml
27 * \nativetype QCategory3DAxis
28 * \inherits AbstractAxis3D
29 * \brief Manipulates an axis of a graph.
30 *
31 * This type provides an axis that can be given labels.
32 */
33
34/*!
35 * \qmlproperty list CategoryAxis3D::labels
36 *
37 * The labels for the axis applied to categories. If there are fewer labels than categories, the
38 * remaining ones do not have a label. If category labels are not defined explicitly, labels are
39 * generated from the data row (or column) labels of the primary series of the graph.
40 */
41
42/*!
43 * Constructs a category 3D axis with the parent \a parent.
44 */
45QCategory3DAxis::QCategory3DAxis(QObject *parent) :
46 QAbstract3DAxis(new QCategory3DAxisPrivate(this), parent)
47{
48 connect(sender: this, signal: &QCategory3DAxis::labelsChanged, context: this, slot: &QAbstract3DAxis::labelsChanged);
49}
50
51/*!
52 * Destroys the category 3D axis.
53 */
54QCategory3DAxis::~QCategory3DAxis()
55{
56}
57
58/*!
59 * \property QCategory3DAxis::labels
60 *
61 * \brief The labels for the axis applied to categories.
62 *
63 * If there are fewer labels than categories, the
64 * remaining ones do not have a label. If category labels are not defined explicitly, labels are
65 * generated from the data row (or column) labels of the primary series of the graph.
66 */
67QStringList QCategory3DAxis::labels() const
68{
69 return QAbstract3DAxis::labels();
70}
71
72void QCategory3DAxis::setLabels(const QStringList &labels)
73{
74 dptr()->m_labelsExplicitlySet = !labels.isEmpty();
75 bool labelsFromData = false;
76
77 // Get labels from data proxy if axis is attached to a bar controller and an active axis there
78 if (labels.isEmpty()) {
79 Bars3DController *controller = qobject_cast<Bars3DController *>(object: parent());
80 if (controller) {
81 if (controller->axisX() == this) {
82 controller->handleDataRowLabelsChanged();
83 labelsFromData = true;
84 } else if (controller->axisZ() == this) {
85 controller->handleDataColumnLabelsChanged();
86 labelsFromData = true;
87 }
88 }
89 }
90
91 if (!labelsFromData && d_ptr->m_labels != labels) {
92 d_ptr->m_labels = labels;
93 emit labelsChanged();
94 }
95}
96
97/*!
98 * \internal
99 */
100QCategory3DAxisPrivate *QCategory3DAxis::dptr()
101{
102 return static_cast<QCategory3DAxisPrivate *>(d_ptr.data());
103}
104
105QCategory3DAxisPrivate::QCategory3DAxisPrivate(QCategory3DAxis *q)
106 : QAbstract3DAxisPrivate(q, QAbstract3DAxis::AxisTypeCategory),
107 m_labelsExplicitlySet(false)
108{
109}
110
111QCategory3DAxisPrivate::~QCategory3DAxisPrivate()
112{
113}
114
115/*!
116 * \internal
117 * Controller uses this function to set labels from data proxy as category labels.
118 * If the labels have been set explicitly by the user, data proxy labels are not used.
119 */
120void QCategory3DAxisPrivate::setDataLabels(const QStringList &labels)
121{
122 if (!m_labelsExplicitlySet && m_labels != labels) {
123 m_labels = labels;
124 emit qptr()->labelsChanged();
125 }
126}
127
128bool QCategory3DAxisPrivate::allowZero()
129{
130 return true;
131}
132
133bool QCategory3DAxisPrivate::allowNegatives()
134{
135 return false;
136}
137
138bool QCategory3DAxisPrivate::allowMinMaxSame()
139{
140 return true;
141}
142
143QCategory3DAxis *QCategory3DAxisPrivate::qptr()
144{
145 return static_cast<QCategory3DAxis *>(q_ptr);
146}
147
148QT_END_NAMESPACE
149

source code of qtdatavis3d/src/datavisualization/axis/qcategory3daxis.cpp