1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4// W A R N I N G
5// -------------
6//
7// This file is not part of the Qt Chart API. It exists purely as an
8// implementation detail. This header file may change from version to
9// version without notice, or even be removed.
10//
11// We mean it.
12
13#ifndef DECLARATIVECATEGORYAXIS_H
14#define DECLARATIVECATEGORYAXIS_H
15
16#include <QtQml/qqmlregistration.h>
17#include <QtCharts/QCategoryAxis>
18#include <private/declarativechartglobal_p.h>
19
20#include <QtQml/QQmlListProperty>
21#include <QtQml/QQmlParserStatus>
22
23QT_BEGIN_NAMESPACE
24
25class Q_CHARTSQML_EXPORT DeclarativeCategoryRange : public QObject
26{
27 Q_OBJECT
28 Q_PROPERTY(qreal endValue READ endValue WRITE setEndValue)
29 Q_PROPERTY(QString label READ label WRITE setLabel)
30 QML_NAMED_ELEMENT(CategoryRange)
31 QML_ADDED_IN_VERSION(1, 1)
32 QML_EXTRA_VERSION(2, 0)
33
34public:
35 explicit DeclarativeCategoryRange(QObject *parent = 0);
36 qreal endValue() { return m_endValue; }
37 void setEndValue(qreal endValue) { m_endValue = endValue; }
38 QString label() { return m_label; }
39 void setLabel(const QString &label);
40
41private:
42 qreal m_endValue;
43 QString m_label;
44};
45
46class DeclarativeCategoryAxis : public QCategoryAxis, public QQmlParserStatus
47{
48 Q_OBJECT
49 Q_INTERFACES(QQmlParserStatus)
50 Q_PROPERTY(QQmlListProperty<QObject> axisChildren READ axisChildren)
51 Q_CLASSINFO("DefaultProperty", "axisChildren")
52 Q_PROPERTY(AxisLabelsPosition labelsPosition READ labelsPosition WRITE setLabelsPosition NOTIFY labelsPositionChanged REVISION(2, 1))
53 Q_ENUMS(AxisLabelsPosition)
54 QML_NAMED_ELEMENT(CategoryAxis)
55 QML_ADDED_IN_VERSION(1, 1)
56 QML_EXTRA_VERSION(2, 0)
57
58public:
59 // duplicating enums from QChart to make the QML api namings 1-to-1 with the C++ api
60 enum AxisLabelsPosition {
61 AxisLabelsPositionCenter = 0x0,
62 AxisLabelsPositionOnValue = 0x1
63 };
64
65 explicit DeclarativeCategoryAxis(QObject *parent = 0);
66 QQmlListProperty<QObject> axisChildren();
67
68
69public: // from QDeclarativeParserStatus
70 void classBegin() override;
71 void componentComplete() override;
72
73public:
74 AxisLabelsPosition labelsPosition() const;
75 void setLabelsPosition(AxisLabelsPosition position);
76
77Q_SIGNALS:
78 Q_REVISION(2, 1) void labelsPositionChanged(AxisLabelsPosition position);
79
80public Q_SLOTS:
81 Q_INVOKABLE void append(const QString &label, qreal categoryEndValue);
82 Q_INVOKABLE void remove(const QString &label);
83 Q_INVOKABLE void replace(const QString &oldLabel, const QString &newLabel);
84
85private:
86 static bool endValueLessThan(const QPair<QString, qreal> &value1, const QPair<QString, qreal> &value2);
87
88private:
89 static void appendAxisChildren(QQmlListProperty<QObject> *list, QObject *element);
90
91 AxisLabelsPosition m_labelsPosition;
92};
93
94QT_END_NAMESPACE
95
96#endif // DECLARATIVECATEGORYAXIS_H
97

source code of qtcharts/src/chartsqml2/declarativecategoryaxis_p.h