1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
3 | |
4 | #undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses |
5 | |
6 | #include "declarativecategoryaxis_p.h" |
7 | #include <QtCore/QDebug> |
8 | |
9 | #include <algorithm> |
10 | |
11 | QT_BEGIN_NAMESPACE |
12 | |
13 | /*! |
14 | \qmltype CategoryRange |
15 | \inqmlmodule QtCharts |
16 | |
17 | \brief Defines a range on a category axis. |
18 | |
19 | The CategoryRange type is used together with the CategoryAxis type to |
20 | specify labeled ranges on category axes. The widths of the category ranges |
21 | can be specified freely. |
22 | |
23 | \sa CategoryAxis |
24 | */ |
25 | |
26 | /*! |
27 | \qmlproperty int CategoryRange::endValue |
28 | The high end of the category. |
29 | */ |
30 | |
31 | /*! |
32 | \qmlproperty string CategoryRange::label |
33 | The label of the category. |
34 | */ |
35 | |
36 | DeclarativeCategoryRange::DeclarativeCategoryRange(QObject *parent) : |
37 | QObject(parent), |
38 | m_endValue(0), |
39 | m_label(QString()) |
40 | { |
41 | } |
42 | |
43 | void DeclarativeCategoryRange::setLabel(const QString &label) |
44 | { |
45 | auto catAxis = qobject_cast<QCategoryAxis *>(object: parent()); |
46 | if (catAxis) |
47 | catAxis->replaceLabel(oldLabel: m_label, newLabel: label); |
48 | m_label = label; |
49 | } |
50 | |
51 | DeclarativeCategoryAxis::DeclarativeCategoryAxis(QObject *parent) : |
52 | QCategoryAxis(parent), |
53 | m_labelsPosition(AxisLabelsPositionCenter) |
54 | { |
55 | } |
56 | |
57 | void DeclarativeCategoryAxis::classBegin() |
58 | { |
59 | } |
60 | |
61 | void DeclarativeCategoryAxis::componentComplete() |
62 | { |
63 | QList<QPair<QString, qreal> > ranges; |
64 | foreach (QObject *child, children()) { |
65 | if (qobject_cast<DeclarativeCategoryRange *>(object: child)) { |
66 | DeclarativeCategoryRange *range = qobject_cast<DeclarativeCategoryRange *>(object: child); |
67 | ranges.append(t: QPair<QString, qreal>(range->label(), range->endValue())); |
68 | } |
69 | } |
70 | |
71 | // Sort and append the range objects according to end value |
72 | std::sort(first: ranges.begin(), last: ranges.end(), comp: endValueLessThan); |
73 | for (int i(0); i < ranges.size(); i++) |
74 | append(label: ranges.at(i).first, categoryEndValue: ranges.at(i).second); |
75 | } |
76 | |
77 | bool DeclarativeCategoryAxis::endValueLessThan(const QPair<QString, qreal> &value1, const QPair<QString, qreal> &value2) |
78 | { |
79 | return value1.second < value2.second; |
80 | } |
81 | |
82 | QQmlListProperty<QObject> DeclarativeCategoryAxis::axisChildren() |
83 | { |
84 | return QQmlListProperty<QObject>(this, 0, &DeclarativeCategoryAxis::appendAxisChildren ,0,0,0); |
85 | } |
86 | |
87 | void DeclarativeCategoryAxis::append(const QString &label, qreal categoryEndValue) |
88 | { |
89 | QCategoryAxis::append(label, categoryEndValue); |
90 | } |
91 | |
92 | void DeclarativeCategoryAxis::remove(const QString &label) |
93 | { |
94 | QCategoryAxis::remove(label); |
95 | } |
96 | |
97 | void DeclarativeCategoryAxis::replace(const QString &oldLabel, const QString &newLabel) |
98 | { |
99 | QCategoryAxis::replaceLabel(oldLabel, newLabel); |
100 | } |
101 | |
102 | void DeclarativeCategoryAxis::appendAxisChildren(QQmlListProperty<QObject> *list, QObject *element) |
103 | { |
104 | // Empty implementation; the children are parsed in componentComplete instead |
105 | Q_UNUSED(list); |
106 | Q_UNUSED(element); |
107 | } |
108 | |
109 | DeclarativeCategoryAxis::AxisLabelsPosition DeclarativeCategoryAxis::labelsPosition() const |
110 | { |
111 | return (DeclarativeCategoryAxis::AxisLabelsPosition) QCategoryAxis::labelsPosition(); |
112 | } |
113 | |
114 | void DeclarativeCategoryAxis::setLabelsPosition(AxisLabelsPosition position) |
115 | { |
116 | if (position != m_labelsPosition) { |
117 | QCategoryAxis::setLabelsPosition((QCategoryAxis::AxisLabelsPosition)position); |
118 | emit labelsPositionChanged(position); |
119 | } |
120 | } |
121 | |
122 | QT_END_NAMESPACE |
123 | |
124 | #include "moc_declarativecategoryaxis_p.cpp" |
125 | |