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 <QtCharts/QHCandlestickModelMapper> |
7 | #include <QtCharts/QVCandlestickModelMapper> |
8 | #include "declarativeaxes_p.h" |
9 | #include "declarativecandlestickseries_p.h" |
10 | |
11 | QT_BEGIN_NAMESPACE |
12 | |
13 | DeclarativeCandlestickSet::DeclarativeCandlestickSet(qreal timestamp, QObject *parent) |
14 | : QCandlestickSet(timestamp, parent) |
15 | { |
16 | connect(sender: this, SIGNAL(brushChanged()), receiver: this, SLOT(handleBrushChanged())); |
17 | } |
18 | |
19 | void DeclarativeCandlestickSet::setBrushFilename(const QString &brushFilename) |
20 | { |
21 | QImage brushImage(brushFilename); |
22 | if (QCandlestickSet::brush().textureImage() != brushImage) { |
23 | QBrush brush = QCandlestickSet::brush(); |
24 | brush.setTextureImage(brushImage); |
25 | |
26 | QCandlestickSet::setBrush(brush); |
27 | |
28 | m_brushFilename = brushFilename; |
29 | m_brushImage = brushImage; |
30 | |
31 | emit brushFilenameChanged(brushFilename); |
32 | } |
33 | } |
34 | |
35 | QString DeclarativeCandlestickSet::brushFilename() const |
36 | { |
37 | return m_brushFilename; |
38 | } |
39 | |
40 | void DeclarativeCandlestickSet::handleBrushChanged() |
41 | { |
42 | // If the texture image of the brush has changed along the brush |
43 | // the brush file name needs to be cleared. |
44 | if (!m_brushFilename.isEmpty() && QCandlestickSet::brush().textureImage() != m_brushImage) { |
45 | m_brushFilename.clear(); |
46 | emit brushFilenameChanged(brushFilename: QString()); |
47 | } |
48 | } |
49 | |
50 | // Declarative candlestick series ================================================================== |
51 | |
52 | DeclarativeCandlestickSeries::DeclarativeCandlestickSeries(QQuickItem *parent) |
53 | : QCandlestickSeries(parent), |
54 | m_axes(new DeclarativeAxes(this)) |
55 | { |
56 | connect(sender: m_axes, SIGNAL(axisXChanged(QAbstractAxis*)), |
57 | receiver: this, SIGNAL(axisXChanged(QAbstractAxis*))); |
58 | connect(sender: m_axes, SIGNAL(axisYChanged(QAbstractAxis*)), |
59 | receiver: this, SIGNAL(axisYChanged(QAbstractAxis*))); |
60 | connect(sender: m_axes, SIGNAL(axisXTopChanged(QAbstractAxis*)), |
61 | receiver: this, SIGNAL(axisXTopChanged(QAbstractAxis*))); |
62 | connect(sender: m_axes, SIGNAL(axisYRightChanged(QAbstractAxis*)), |
63 | receiver: this, SIGNAL(axisYRightChanged(QAbstractAxis*))); |
64 | |
65 | connect(sender: this, SIGNAL(hovered(bool, QCandlestickSet *)), |
66 | receiver: this, SLOT(onHovered(bool, QCandlestickSet *))); |
67 | connect(sender: this, SIGNAL(clicked(QCandlestickSet *)), receiver: this, SLOT(onClicked(QCandlestickSet *))); |
68 | connect(sender: this, SIGNAL(pressed(QCandlestickSet *)), receiver: this, SLOT(onPressed(QCandlestickSet *))); |
69 | connect(sender: this, SIGNAL(released(QCandlestickSet *)), receiver: this, SLOT(onReleased(QCandlestickSet *))); |
70 | connect(sender: this, SIGNAL(doubleClicked(QCandlestickSet *)), |
71 | receiver: this, SLOT(onDoubleClicked(QCandlestickSet *))); |
72 | |
73 | connect(sender: this, SIGNAL(brushChanged()), receiver: this, SLOT(handleBrushChanged())); |
74 | } |
75 | |
76 | QQmlListProperty<QObject> DeclarativeCandlestickSeries::seriesChildren() |
77 | { |
78 | return QQmlListProperty<QObject>(this, 0, &DeclarativeCandlestickSeries::appendSeriesChildren, |
79 | 0, 0, 0); |
80 | } |
81 | |
82 | void DeclarativeCandlestickSeries::setBrushFilename(const QString &brushFilename) |
83 | { |
84 | QImage brushImage(brushFilename); |
85 | if (QCandlestickSeries::brush().textureImage() != brushImage) { |
86 | QBrush brush = QCandlestickSeries::brush(); |
87 | brush.setTextureImage(brushImage); |
88 | |
89 | QCandlestickSeries::setBrush(brush); |
90 | |
91 | m_brushFilename = brushFilename; |
92 | m_brushImage = brushImage; |
93 | |
94 | emit brushFilenameChanged(brushFilename); |
95 | } |
96 | } |
97 | |
98 | QString DeclarativeCandlestickSeries::brushFilename() const |
99 | { |
100 | return m_brushFilename; |
101 | } |
102 | |
103 | DeclarativeCandlestickSet *DeclarativeCandlestickSeries::at(int index) |
104 | { |
105 | QList<QCandlestickSet *> sets = this->sets(); |
106 | if (index >= 0 && index < sets.size()) |
107 | return qobject_cast<DeclarativeCandlestickSet *>(object: sets[index]); |
108 | |
109 | return 0; |
110 | } |
111 | |
112 | bool DeclarativeCandlestickSeries::append(DeclarativeCandlestickSet *set) |
113 | { |
114 | return QCandlestickSeries::append(set: qobject_cast<QCandlestickSet *>(object: set)); |
115 | } |
116 | |
117 | bool DeclarativeCandlestickSeries::remove(DeclarativeCandlestickSet *set) |
118 | { |
119 | return QCandlestickSeries::remove(set: qobject_cast<QCandlestickSet *>(object: set)); |
120 | } |
121 | |
122 | bool DeclarativeCandlestickSeries::append(qreal open, qreal high, qreal low, qreal close, |
123 | qreal timestamp) |
124 | { |
125 | QCandlestickSet *set = new QCandlestickSet(open, high, low, close, timestamp); |
126 | if (!QCandlestickSeries::append(set)) { |
127 | delete set; |
128 | return false; |
129 | } |
130 | |
131 | return true; |
132 | } |
133 | |
134 | bool DeclarativeCandlestickSeries::remove(qreal timestamp) |
135 | { |
136 | for (int i = 0; i < count(); ++i) { |
137 | QCandlestickSet *set = sets().at(i); |
138 | if (set->timestamp() == timestamp) |
139 | return QCandlestickSeries::remove(set); |
140 | } |
141 | |
142 | return false; |
143 | } |
144 | |
145 | bool DeclarativeCandlestickSeries::insert(int index, DeclarativeCandlestickSet *set) |
146 | { |
147 | return QCandlestickSeries::insert(index, set: qobject_cast<QCandlestickSet *>(object: set)); |
148 | } |
149 | |
150 | void DeclarativeCandlestickSeries::clear() |
151 | { |
152 | QCandlestickSeries::clear(); |
153 | } |
154 | |
155 | void DeclarativeCandlestickSeries::classBegin() |
156 | { |
157 | // do nothing |
158 | } |
159 | |
160 | void DeclarativeCandlestickSeries::componentComplete() |
161 | { |
162 | foreach (QObject *child, children()) { |
163 | if (qobject_cast<DeclarativeCandlestickSet *>(object: child)) { |
164 | QCandlestickSeries::append(set: qobject_cast<DeclarativeCandlestickSet *>(object: child)); |
165 | } else if (qobject_cast<QHCandlestickModelMapper *>(object: child)) { |
166 | QHCandlestickModelMapper *mapper = qobject_cast<QHCandlestickModelMapper *>(object: child); |
167 | mapper->setSeries(this); |
168 | } else if (qobject_cast<QVCandlestickModelMapper *>(object: child)) { |
169 | QVCandlestickModelMapper *mapper = qobject_cast<QVCandlestickModelMapper *>(object: child); |
170 | mapper->setSeries(this); |
171 | } // else: do nothing |
172 | } |
173 | } |
174 | |
175 | void DeclarativeCandlestickSeries::appendSeriesChildren(QQmlListProperty<QObject> *list, |
176 | QObject *element) |
177 | { |
178 | // Empty implementation; the children are parsed in componentComplete instead |
179 | Q_UNUSED(list); |
180 | Q_UNUSED(element); |
181 | } |
182 | |
183 | void DeclarativeCandlestickSeries::onClicked(QCandlestickSet *set) |
184 | { |
185 | emit clicked(set: qobject_cast<DeclarativeCandlestickSet *>(object: set)); |
186 | } |
187 | |
188 | void DeclarativeCandlestickSeries::onHovered(bool status, QCandlestickSet *set) |
189 | { |
190 | emit hovered(status, set: qobject_cast<DeclarativeCandlestickSet *>(object: set)); |
191 | } |
192 | |
193 | void DeclarativeCandlestickSeries::onPressed(QCandlestickSet *set) |
194 | { |
195 | emit pressed(set: qobject_cast<DeclarativeCandlestickSet *>(object: set)); |
196 | } |
197 | |
198 | void DeclarativeCandlestickSeries::onReleased(QCandlestickSet *set) |
199 | { |
200 | emit released(set: qobject_cast<DeclarativeCandlestickSet *>(object: set)); |
201 | } |
202 | |
203 | void DeclarativeCandlestickSeries::onDoubleClicked(QCandlestickSet *set) |
204 | { |
205 | emit doubleClicked(set: qobject_cast<DeclarativeCandlestickSet *>(object: set)); |
206 | } |
207 | |
208 | void DeclarativeCandlestickSeries::handleBrushChanged() |
209 | { |
210 | // If the texture image of the brush has changed along the brush |
211 | // the brush file name needs to be cleared. |
212 | if (!m_brushFilename.isEmpty() && QCandlestickSeries::brush().textureImage() != m_brushImage) { |
213 | m_brushFilename.clear(); |
214 | emit brushFilenameChanged(brushFilename: QString()); |
215 | } |
216 | } |
217 | |
218 | QT_END_NAMESPACE |
219 | |
220 | #include "moc_declarativecandlestickseries_p.cpp" |
221 | |