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1 | /**************************************************************************** |
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1 | /**************************************************************************** | |
2 | ** |
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2 | ** | |
3 | ** Copyright (C) 2012 Digia Plc |
|
3 | ** Copyright (C) 2012 Digia Plc | |
4 | ** All rights reserved. |
|
4 | ** All rights reserved. | |
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |
6 | ** |
|
6 | ** | |
7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
7 | ** This file is part of the Qt Commercial Charts Add-on. | |
8 | ** |
|
8 | ** | |
9 | ** $QT_BEGIN_LICENSE$ |
|
9 | ** $QT_BEGIN_LICENSE$ | |
10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
10 | ** Licensees holding valid Qt Commercial licenses may use this file in | |
11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
11 | ** accordance with the Qt Commercial License Agreement provided with the | |
12 | ** Software or, alternatively, in accordance with the terms contained in |
|
12 | ** Software or, alternatively, in accordance with the terms contained in | |
13 | ** a written agreement between you and Digia. |
|
13 | ** a written agreement between you and Digia. | |
14 | ** |
|
14 | ** | |
15 | ** If you have questions regarding the use of this file, please use |
|
15 | ** If you have questions regarding the use of this file, please use | |
16 | ** contact form at http://qt.digia.com |
|
16 | ** contact form at http://qt.digia.com | |
17 | ** $QT_END_LICENSE$ |
|
17 | ** $QT_END_LICENSE$ | |
18 | ** |
|
18 | ** | |
19 | ****************************************************************************/ |
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19 | ****************************************************************************/ | |
20 |
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20 | |||
21 | #include "qpieseries.h" |
|
21 | #include "qpieseries.h" | |
22 | #include "qpieseriesprivate_p.h" |
|
22 | #include "qpieseriesprivate_p.h" | |
23 | #include "qpieslice.h" |
|
23 | #include "qpieslice.h" | |
24 | #include "pieslicedata_p.h" |
|
24 | #include "pieslicedata_p.h" | |
25 | #include <QAbstractItemModel> |
|
25 | #include <QAbstractItemModel> | |
26 | #include <QDebug> |
|
26 | #include <QDebug> | |
27 |
|
27 | |||
28 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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28 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
29 |
|
29 | |||
30 | QPieSeriesPrivate::QPieSeriesPrivate(QPieSeries *parent) |
|
30 | QPieSeriesPrivate::QPieSeriesPrivate(QPieSeries *parent) | |
31 | :QObject(parent), |
|
31 | :QObject(parent), | |
32 | q_ptr(parent), |
|
32 | q_ptr(parent), | |
33 | m_pieRelativeHorPos(0.5), |
|
33 | m_pieRelativeHorPos(0.5), | |
34 | m_pieRelativeVerPos(0.5), |
|
34 | m_pieRelativeVerPos(0.5), | |
35 | m_pieRelativeSize(0.7), |
|
35 | m_pieRelativeSize(0.7), | |
36 | m_pieStartAngle(0), |
|
36 | m_pieStartAngle(0), | |
37 | m_pieEndAngle(360), |
|
37 | m_pieEndAngle(360), | |
38 | m_total(0), |
|
38 | m_total(0), | |
39 | m_mapValues(0), |
|
39 | m_mapValues(0), | |
40 | m_mapLabels(0), |
|
40 | m_mapLabels(0), | |
41 | m_mapOrientation(Qt::Horizontal) |
|
41 | m_mapOrientation(Qt::Horizontal) | |
42 | { |
|
42 | { | |
43 |
|
43 | |||
44 | } |
|
44 | } | |
45 |
|
45 | |||
46 | QPieSeriesPrivate::~QPieSeriesPrivate() |
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46 | QPieSeriesPrivate::~QPieSeriesPrivate() | |
47 | { |
|
47 | { | |
48 |
|
48 | |||
49 | } |
|
49 | } | |
50 |
|
50 | |||
51 | void QPieSeriesPrivate::updateDerivativeData() |
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51 | void QPieSeriesPrivate::updateDerivativeData() | |
52 | { |
|
52 | { | |
53 | m_total = 0; |
|
53 | m_total = 0; | |
54 |
|
54 | |||
55 | // nothing to do? |
|
55 | // nothing to do? | |
56 | if (m_slices.count() == 0) |
|
56 | if (m_slices.count() == 0) | |
57 | return; |
|
57 | return; | |
58 |
|
58 | |||
59 | // calculate total |
|
59 | // calculate total | |
60 | foreach (QPieSlice* s, m_slices) |
|
60 | foreach (QPieSlice* s, m_slices) | |
61 | m_total += s->value(); |
|
61 | m_total += s->value(); | |
62 |
|
62 | |||
63 | // nothing to show.. |
|
63 | // nothing to show.. | |
64 | if (qFuzzyIsNull(m_total)) |
|
64 | if (qFuzzyIsNull(m_total)) | |
65 | return; |
|
65 | return; | |
66 |
|
66 | |||
67 | // update slice attributes |
|
67 | // update slice attributes | |
68 | qreal sliceAngle = m_pieStartAngle; |
|
68 | qreal sliceAngle = m_pieStartAngle; | |
69 | qreal pieSpan = m_pieEndAngle - m_pieStartAngle; |
|
69 | qreal pieSpan = m_pieEndAngle - m_pieStartAngle; | |
70 | QVector<QPieSlice*> changed; |
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70 | QVector<QPieSlice*> changed; | |
71 | foreach (QPieSlice* s, m_slices) { |
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71 | foreach (QPieSlice* s, m_slices) { | |
72 |
|
72 | |||
73 | PieSliceData data = PieSliceData::data(s); |
|
73 | PieSliceData data = PieSliceData::data(s); | |
74 | data.m_percentage = s->value() / m_total; |
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74 | data.m_percentage = s->value() / m_total; | |
75 | data.m_angleSpan = pieSpan * data.m_percentage; |
|
75 | data.m_angleSpan = pieSpan * data.m_percentage; | |
76 | data.m_startAngle = sliceAngle; |
|
76 | data.m_startAngle = sliceAngle; | |
77 | sliceAngle += data.m_angleSpan; |
|
77 | sliceAngle += data.m_angleSpan; | |
78 |
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78 | |||
79 | if (PieSliceData::data(s) != data) { |
|
79 | if (PieSliceData::data(s) != data) { | |
80 | PieSliceData::data(s) = data; |
|
80 | PieSliceData::data(s) = data; | |
81 | changed << s; |
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81 | changed << s; | |
82 | } |
|
82 | } | |
83 | } |
|
83 | } | |
84 |
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84 | |||
85 | // emit signals |
|
85 | // emit signals | |
86 | foreach (QPieSlice* s, changed) |
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86 | foreach (QPieSlice* s, changed) | |
87 | PieSliceData::data(s).emitChangedSignal(s); |
|
87 | PieSliceData::data(s).emitChangedSignal(s); | |
88 | } |
|
88 | } | |
89 |
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89 | |||
90 | void QPieSeriesPrivate::sliceChanged() |
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90 | void QPieSeriesPrivate::sliceChanged() | |
91 | { |
|
91 | { | |
92 | Q_ASSERT(m_slices.contains(qobject_cast<QPieSlice *>(sender()))); |
|
92 | Q_ASSERT(m_slices.contains(qobject_cast<QPieSlice *>(sender()))); | |
93 | updateDerivativeData(); |
|
93 | updateDerivativeData(); | |
94 | } |
|
94 | } | |
95 |
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95 | |||
96 | void QPieSeriesPrivate::sliceClicked(Qt::MouseButtons buttons) |
|
96 | void QPieSeriesPrivate::sliceClicked(Qt::MouseButtons buttons) | |
97 | { |
|
97 | { | |
98 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
98 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
99 | Q_ASSERT(m_slices.contains(slice)); |
|
99 | Q_ASSERT(m_slices.contains(slice)); | |
100 | Q_Q(QPieSeries); |
|
100 | Q_Q(QPieSeries); | |
101 | emit q->clicked(slice, buttons); |
|
101 | emit q->clicked(slice, buttons); | |
102 | } |
|
102 | } | |
103 |
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103 | |||
104 | void QPieSeriesPrivate::sliceHoverEnter() |
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104 | void QPieSeriesPrivate::sliceHoverEnter() | |
105 | { |
|
105 | { | |
106 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
106 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
107 | Q_ASSERT(m_slices.contains(slice)); |
|
107 | Q_ASSERT(m_slices.contains(slice)); | |
108 | Q_Q(QPieSeries); |
|
108 | Q_Q(QPieSeries); | |
109 | emit q->hoverEnter(slice); |
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109 | emit q->hoverEnter(slice); | |
110 | } |
|
110 | } | |
111 |
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111 | |||
112 | void QPieSeriesPrivate::sliceHoverLeave() |
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112 | void QPieSeriesPrivate::sliceHoverLeave() | |
113 | { |
|
113 | { | |
114 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
114 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
115 | Q_ASSERT(m_slices.contains(slice)); |
|
115 | Q_ASSERT(m_slices.contains(slice)); | |
116 | Q_Q(QPieSeries); |
|
116 | Q_Q(QPieSeries); | |
117 | emit q->hoverLeave(slice); |
|
117 | emit q->hoverLeave(slice); | |
118 | } |
|
118 | } | |
119 |
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119 | |||
120 | void QPieSeriesPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) |
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120 | void QPieSeriesPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight) | |
121 | { |
|
121 | { | |
122 | Q_UNUSED(bottomRight) |
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122 | Q_UNUSED(bottomRight) | |
123 | Q_Q(QPieSeries); |
|
123 | Q_Q(QPieSeries); | |
124 |
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124 | |||
125 | if (m_mapOrientation == Qt::Vertical) |
|
125 | if (m_mapOrientation == Qt::Vertical) | |
126 | { |
|
126 | { | |
127 | if (topLeft.column() == m_mapValues) |
|
127 | if (topLeft.column() == m_mapValues) | |
128 | if (m_mapValues == m_mapLabels) |
|
128 | if (m_mapValues == m_mapLabels) | |
129 | { |
|
129 | { | |
130 | m_slices.at(topLeft.row())->setValue(q->m_model->data(topLeft, Qt::DisplayRole).toDouble()); |
|
130 | m_slices.at(topLeft.row())->setValue(q->m_model->data(topLeft, Qt::DisplayRole).toDouble()); | |
131 | m_slices.at(topLeft.row())->setLabel(q->m_model->data(topLeft, Qt::DisplayRole).toString()); |
|
131 | m_slices.at(topLeft.row())->setLabel(q->m_model->data(topLeft, Qt::DisplayRole).toString()); | |
132 | } |
|
132 | } | |
133 | else |
|
133 | else | |
134 | { |
|
134 | { | |
135 | m_slices.at(topLeft.row())->setValue(q->m_model->data(topLeft, Qt::DisplayRole).toDouble()); |
|
135 | m_slices.at(topLeft.row())->setValue(q->m_model->data(topLeft, Qt::DisplayRole).toDouble()); | |
136 | } |
|
136 | } | |
137 | else if (topLeft.column() == m_mapLabels) |
|
137 | else if (topLeft.column() == m_mapLabels) | |
138 | m_slices.at(topLeft.row())->setLabel(q->m_model->data(topLeft, Qt::DisplayRole).toString()); |
|
138 | m_slices.at(topLeft.row())->setLabel(q->m_model->data(topLeft, Qt::DisplayRole).toString()); | |
139 | } |
|
139 | } | |
140 | else |
|
140 | else | |
141 | { |
|
141 | { | |
142 | if (topLeft.row() == m_mapValues) |
|
142 | if (topLeft.row() == m_mapValues) | |
143 | if (m_mapValues == m_mapLabels) |
|
143 | if (m_mapValues == m_mapLabels) | |
144 | { |
|
144 | { | |
145 | m_slices.at(topLeft.column())->setValue(q->m_model->data(topLeft, Qt::DisplayRole).toDouble()); |
|
145 | m_slices.at(topLeft.column())->setValue(q->m_model->data(topLeft, Qt::DisplayRole).toDouble()); | |
146 | m_slices.at(topLeft.column())->setLabel(q->m_model->data(topLeft, Qt::DisplayRole).toString()); |
|
146 | m_slices.at(topLeft.column())->setLabel(q->m_model->data(topLeft, Qt::DisplayRole).toString()); | |
147 | } |
|
147 | } | |
148 | else |
|
148 | else | |
149 | { |
|
149 | { | |
150 | m_slices.at(topLeft.column())->setValue(q->m_model->data(topLeft, Qt::DisplayRole).toDouble()); |
|
150 | m_slices.at(topLeft.column())->setValue(q->m_model->data(topLeft, Qt::DisplayRole).toDouble()); | |
151 | } |
|
151 | } | |
152 | else if (topLeft.row() == m_mapLabels) |
|
152 | else if (topLeft.row() == m_mapLabels) | |
153 | m_slices.at(topLeft.column())->setLabel(q->m_model->data(topLeft, Qt::DisplayRole).toString()); |
|
153 | m_slices.at(topLeft.column())->setLabel(q->m_model->data(topLeft, Qt::DisplayRole).toString()); | |
154 | } |
|
154 | } | |
155 | } |
|
155 | } | |
156 |
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156 | |||
157 | void QPieSeriesPrivate::modelDataAdded(QModelIndex parent, int start, int end) |
|
157 | void QPieSeriesPrivate::modelDataAdded(QModelIndex parent, int start, int end) | |
158 | { |
|
158 | { | |
159 | Q_UNUSED(parent) |
|
159 | Q_UNUSED(parent) | |
160 | Q_UNUSED(end) |
|
160 | Q_UNUSED(end) | |
161 | Q_Q(QPieSeries); |
|
161 | Q_Q(QPieSeries); | |
162 |
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162 | |||
163 | QPieSlice* newSlice = new QPieSlice; |
|
163 | QPieSlice* newSlice = new QPieSlice; | |
164 | newSlice->setLabelVisible(true); |
|
164 | newSlice->setLabelVisible(true); | |
165 | if (m_mapOrientation == Qt::Vertical) |
|
165 | if (m_mapOrientation == Qt::Vertical) | |
166 | { |
|
166 | { | |
167 | newSlice->setValue(q->m_model->data(q->m_model->index(start, m_mapValues), Qt::DisplayRole).toDouble()); |
|
167 | newSlice->setValue(q->m_model->data(q->m_model->index(start, m_mapValues), Qt::DisplayRole).toDouble()); | |
168 | newSlice->setLabel(q->m_model->data(q->m_model->index(start, m_mapLabels), Qt::DisplayRole).toString()); |
|
168 | newSlice->setLabel(q->m_model->data(q->m_model->index(start, m_mapLabels), Qt::DisplayRole).toString()); | |
169 | } |
|
169 | } | |
170 | else |
|
170 | else | |
171 | { |
|
171 | { | |
172 | newSlice->setValue(q->m_model->data(q->m_model->index(m_mapValues, start), Qt::DisplayRole).toDouble()); |
|
172 | newSlice->setValue(q->m_model->data(q->m_model->index(m_mapValues, start), Qt::DisplayRole).toDouble()); | |
173 | newSlice->setLabel(q->m_model->data(q->m_model->index(m_mapLabels, start), Qt::DisplayRole).toString()); |
|
173 | newSlice->setLabel(q->m_model->data(q->m_model->index(m_mapLabels, start), Qt::DisplayRole).toString()); | |
174 | } |
|
174 | } | |
175 |
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175 | |||
176 | q->insert(start, newSlice); |
|
176 | q->insert(start, newSlice); | |
177 | } |
|
177 | } | |
178 |
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178 | |||
179 | void QPieSeriesPrivate::modelDataRemoved(QModelIndex parent, int start, int end) |
|
179 | void QPieSeriesPrivate::modelDataRemoved(QModelIndex parent, int start, int end) | |
180 | { |
|
180 | { | |
181 | Q_UNUSED(parent) |
|
181 | Q_UNUSED(parent) | |
182 | Q_UNUSED(end) |
|
182 | Q_UNUSED(end) | |
183 | Q_Q(QPieSeries); |
|
183 | Q_Q(QPieSeries); | |
184 | q->remove(m_slices.at(start)); |
|
184 | q->remove(m_slices.at(start)); | |
185 | } |
|
185 | } | |
186 |
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186 | |||
187 | bool QPieSeriesPrivate::setRealValue(qreal &value, qreal newValue, qreal max, qreal min) |
|
187 | bool QPieSeriesPrivate::setRealValue(qreal &value, qreal newValue, qreal max, qreal min) | |
188 | { |
|
188 | { | |
189 | // Remove rounding errors |
|
189 | // Remove rounding errors | |
190 | qreal roundedValue = newValue; |
|
190 | qreal roundedValue = newValue; | |
191 | if (qFuzzyIsNull(min) && qFuzzyIsNull(newValue)) |
|
191 | if (qFuzzyIsNull(min) && qFuzzyIsNull(newValue)) | |
192 | roundedValue = 0.0; |
|
192 | roundedValue = 0.0; | |
193 | else if (qFuzzyCompare(newValue, max)) |
|
193 | else if (qFuzzyCompare(newValue, max)) | |
194 | roundedValue = max; |
|
194 | roundedValue = max; | |
195 | else if (qFuzzyCompare(newValue, min)) |
|
195 | else if (qFuzzyCompare(newValue, min)) | |
196 | roundedValue = min; |
|
196 | roundedValue = min; | |
197 |
|
197 | |||
198 | // Check if the position is valid after removing the rounding errors |
|
198 | // Check if the position is valid after removing the rounding errors | |
199 | if (roundedValue < min || roundedValue > max) { |
|
199 | if (roundedValue < min || roundedValue > max) { | |
200 | qWarning("QPieSeries: Illegal value"); |
|
200 | qWarning("QPieSeries: Illegal value"); | |
201 | return false; |
|
201 | return false; | |
202 | } |
|
202 | } | |
203 |
|
203 | |||
204 | if (!qFuzzyIsNull(value - roundedValue)) { |
|
204 | if (!qFuzzyIsNull(value - roundedValue)) { | |
205 | value = roundedValue; |
|
205 | value = roundedValue; | |
206 | return true; |
|
206 | return true; | |
207 | } |
|
207 | } | |
208 |
|
208 | |||
209 | // The change was so small it is considered a rounding error |
|
209 | // The change was so small it is considered a rounding error | |
210 | return false; |
|
210 | return false; | |
211 | } |
|
211 | } | |
212 |
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212 | |||
213 |
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213 | |||
214 |
|
214 | |||
215 | /*! |
|
215 | /*! | |
216 | \class QPieSeries |
|
216 | \class QPieSeries | |
217 | \brief Pie series API for QtCommercial Charts |
|
217 | \brief Pie series API for QtCommercial Charts | |
218 |
|
218 | |||
219 | The pie series defines a pie chart which consists of pie slices which are QPieSlice objects. |
|
219 | The pie series defines a pie chart which consists of pie slices which are QPieSlice objects. | |
220 | The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices. |
|
220 | The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices. | |
221 | The actual slice size is determined by that relative value. |
|
221 | The actual slice size is determined by that relative value. | |
222 |
|
222 | |||
223 | By default the pie is defined as a full pie but it can be a partial pie. |
|
223 | By default the pie is defined as a full pie but it can be a partial pie. | |
224 | This can be done by setting a starting angle and angle span to the series. |
|
224 | This can be done by setting a starting angle and angle span to the series. | |
225 | */ |
|
225 | */ | |
226 |
|
226 | |||
227 | /*! |
|
227 | /*! | |
228 | \property QPieSeries::horizontalPosition |
|
228 | \property QPieSeries::horizontalPosition | |
229 | \brief Defines the horizontal position of the pie. |
|
229 | \brief Defines the horizontal position of the pie. | |
230 |
|
230 | |||
231 | The value is a relative value to the chart rectangle where: |
|
231 | The value is a relative value to the chart rectangle where: | |
232 |
|
232 | |||
233 | \list |
|
233 | \list | |
234 | \o 0.0 is the absolute left. |
|
234 | \o 0.0 is the absolute left. | |
235 | \o 1.0 is the absolute right. |
|
235 | \o 1.0 is the absolute right. | |
236 | \endlist |
|
236 | \endlist | |
237 |
|
237 | |||
238 | Default value is 0.5 (center). |
|
238 | Default value is 0.5 (center). | |
239 | */ |
|
239 | */ | |
240 |
|
240 | |||
241 | /*! |
|
241 | /*! | |
242 | \property QPieSeries::verticalPosition |
|
242 | \property QPieSeries::verticalPosition | |
243 | \brief Defines the vertical position of the pie. |
|
243 | \brief Defines the vertical position of the pie. | |
244 |
|
244 | |||
245 | The value is a relative value to the chart rectangle where: |
|
245 | The value is a relative value to the chart rectangle where: | |
246 |
|
246 | |||
247 | \list |
|
247 | \list | |
248 | \o 0.0 is the absolute top. |
|
248 | \o 0.0 is the absolute top. | |
249 | \o 1.0 is the absolute bottom. |
|
249 | \o 1.0 is the absolute bottom. | |
250 | \endlist |
|
250 | \endlist | |
251 |
|
251 | |||
252 | Default value is 0.5 (center). |
|
252 | Default value is 0.5 (center). | |
253 | */ |
|
253 | */ | |
254 |
|
254 | |||
255 | /*! |
|
255 | /*! | |
256 | \property QPieSeries::size |
|
256 | \property QPieSeries::size | |
257 | \brief Defines the pie size. |
|
257 | \brief Defines the pie size. | |
258 |
|
258 | |||
259 | The value is a relative value to the chart rectangle where: |
|
259 | The value is a relative value to the chart rectangle where: | |
260 |
|
260 | |||
261 | \list |
|
261 | \list | |
262 | \o 0.0 is the minumum size (pie not drawn). |
|
262 | \o 0.0 is the minumum size (pie not drawn). | |
263 | \o 1.0 is the maximum size that can fit the chart. |
|
263 | \o 1.0 is the maximum size that can fit the chart. | |
264 | \endlist |
|
264 | \endlist | |
265 |
|
265 | |||
266 | Default value is 0.7. |
|
266 | Default value is 0.7. | |
267 | */ |
|
267 | */ | |
268 |
|
268 | |||
269 | /*! |
|
269 | /*! | |
270 | \property QPieSeries::startAngle |
|
270 | \property QPieSeries::startAngle | |
271 | \brief Defines the starting angle of the pie. |
|
271 | \brief Defines the starting angle of the pie. | |
272 |
|
272 | |||
273 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. |
|
273 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. | |
274 |
|
274 | |||
275 | Default is value is 0. |
|
275 | Default is value is 0. | |
276 | */ |
|
276 | */ | |
277 |
|
277 | |||
278 | /*! |
|
278 | /*! | |
279 | \property QPieSeries::endAngle |
|
279 | \property QPieSeries::endAngle | |
280 | \brief Defines the ending angle of the pie. |
|
280 | \brief Defines the ending angle of the pie. | |
281 |
|
281 | |||
282 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. |
|
282 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. | |
283 |
|
283 | |||
284 | Default is value is 360. |
|
284 | Default is value is 360. | |
285 | */ |
|
285 | */ | |
286 |
|
286 | |||
287 |
|
287 | |||
288 | /*! |
|
288 | /*! | |
289 | Constructs a series object which is a child of \a parent. |
|
289 | Constructs a series object which is a child of \a parent. | |
290 | */ |
|
290 | */ | |
291 | QPieSeries::QPieSeries(QObject *parent) : |
|
291 | QPieSeries::QPieSeries(QObject *parent) : | |
292 | QSeries(parent), |
|
292 | QSeries(parent), | |
293 | d_ptr(new QPieSeriesPrivate(this)) |
|
293 | d_ptr(new QPieSeriesPrivate(this)) | |
294 | { |
|
294 | { | |
295 |
|
295 | |||
296 | } |
|
296 | } | |
297 |
|
297 | |||
298 | /*! |
|
298 | /*! | |
299 | Destroys the object. Note that adding series to QChart transfers the ownership to the chart. |
|
299 | Destroys the series and its slices. | |
300 | */ |
|
300 | */ | |
301 | QPieSeries::~QPieSeries() |
|
301 | QPieSeries::~QPieSeries() | |
302 | { |
|
302 | { | |
303 | // NOTE: d_prt destroyed by QObject |
|
303 | // NOTE: d_prt destroyed by QObject | |
304 | } |
|
304 | } | |
305 |
|
305 | |||
306 | /*! |
|
306 | /*! | |
307 | Returns QChartSeries::SeriesTypePie. |
|
307 | Returns QChartSeries::SeriesTypePie. | |
308 | */ |
|
308 | */ | |
309 | QSeries::QSeriesType QPieSeries::type() const |
|
309 | QSeries::QSeriesType QPieSeries::type() const | |
310 | { |
|
310 | { | |
311 | return QSeries::SeriesTypePie; |
|
311 | return QSeries::SeriesTypePie; | |
312 | } |
|
312 | } | |
313 |
|
313 | |||
314 | /*! |
|
314 | /*! | |
315 | Sets an array of \a slices to the series replacing the existing slices. |
|
315 | Sets an array of \a slices to the series replacing the existing slices. | |
316 | Slice ownership is passed to the series. |
|
316 | Slice ownership is passed to the series. | |
317 | */ |
|
317 | */ | |
318 | void QPieSeries::replace(QList<QPieSlice*> slices) |
|
318 | void QPieSeries::replace(QList<QPieSlice*> slices) | |
319 | { |
|
319 | { | |
320 | clear(); |
|
320 | clear(); | |
321 | append(slices); |
|
321 | append(slices); | |
322 | } |
|
322 | } | |
323 |
|
323 | |||
324 | /*! |
|
324 | /*! | |
325 |
A |
|
325 | Appends an array of \a slices to the series. | |
326 | Slice ownership is passed to the series. |
|
326 | Slice ownership is passed to the series. | |
327 | */ |
|
327 | */ | |
328 | void QPieSeries::append(QList<QPieSlice*> slices) |
|
328 | void QPieSeries::append(QList<QPieSlice*> slices) | |
329 | { |
|
329 | { | |
330 | Q_D(QPieSeries); |
|
330 | Q_D(QPieSeries); | |
331 |
|
331 | |||
332 | foreach (QPieSlice* s, slices) { |
|
332 | foreach (QPieSlice* s, slices) { | |
333 | s->setParent(this); |
|
333 | s->setParent(this); | |
334 | d->m_slices << s; |
|
334 | d->m_slices << s; | |
335 | } |
|
335 | } | |
336 |
|
336 | |||
337 | d->updateDerivativeData(); |
|
337 | d->updateDerivativeData(); | |
338 |
|
338 | |||
339 | foreach (QPieSlice* s, slices) { |
|
339 | foreach (QPieSlice* s, slices) { | |
340 | connect(s, SIGNAL(changed()), d, SLOT(sliceChanged())); |
|
340 | connect(s, SIGNAL(changed()), d, SLOT(sliceChanged())); | |
341 | connect(s, SIGNAL(clicked(Qt::MouseButtons)), d, SLOT(sliceClicked(Qt::MouseButtons))); |
|
341 | connect(s, SIGNAL(clicked(Qt::MouseButtons)), d, SLOT(sliceClicked(Qt::MouseButtons))); | |
342 | connect(s, SIGNAL(hoverEnter()), d, SLOT(sliceHoverEnter())); |
|
342 | connect(s, SIGNAL(hoverEnter()), d, SLOT(sliceHoverEnter())); | |
343 | connect(s, SIGNAL(hoverLeave()), d, SLOT(sliceHoverLeave())); |
|
343 | connect(s, SIGNAL(hoverLeave()), d, SLOT(sliceHoverLeave())); | |
344 | } |
|
344 | } | |
345 |
|
345 | |||
346 | emit added(slices); |
|
346 | emit added(slices); | |
347 | } |
|
347 | } | |
348 |
|
348 | |||
349 | /*! |
|
349 | /*! | |
350 |
A |
|
350 | Appends a single \a slice to the series. | |
351 | Slice ownership is passed to the series. |
|
351 | Slice ownership is passed to the series. | |
352 | */ |
|
352 | */ | |
353 | void QPieSeries::append(QPieSlice* slice) |
|
353 | void QPieSeries::append(QPieSlice* slice) | |
354 | { |
|
354 | { | |
355 | append(QList<QPieSlice*>() << slice); |
|
355 | append(QList<QPieSlice*>() << slice); | |
356 | } |
|
356 | } | |
357 |
|
357 | |||
358 | /*! |
|
358 | /*! | |
359 |
A |
|
359 | Appends a single \a slice to the series and returns a reference to the series. | |
360 | Slice ownership is passed to the series. |
|
360 | Slice ownership is passed to the series. | |
361 | */ |
|
361 | */ | |
362 | QPieSeries& QPieSeries::operator << (QPieSlice* slice) |
|
362 | QPieSeries& QPieSeries::operator << (QPieSlice* slice) | |
363 | { |
|
363 | { | |
364 | append(slice); |
|
364 | append(slice); | |
365 | return *this; |
|
365 | return *this; | |
366 | } |
|
366 | } | |
367 |
|
367 | |||
368 |
|
368 | |||
369 | /*! |
|
369 | /*! | |
370 | Appends a single slice to the series with give \a value and \a name. |
|
370 | Appends a single slice to the series with give \a value and \a name. | |
371 | Slice ownership is passed to the series. |
|
371 | Slice ownership is passed to the series. | |
372 | */ |
|
372 | */ | |
373 | QPieSlice* QPieSeries::append(qreal value, QString name) |
|
373 | QPieSlice* QPieSeries::append(qreal value, QString name) | |
374 | { |
|
374 | { | |
375 | QPieSlice* slice = new QPieSlice(value, name); |
|
375 | QPieSlice* slice = new QPieSlice(value, name); | |
376 | append(slice); |
|
376 | append(slice); | |
377 | return slice; |
|
377 | return slice; | |
378 | } |
|
378 | } | |
379 |
|
379 | |||
380 | /*! |
|
380 | /*! | |
381 | Inserts a single \a slice to the series before the slice at \a index position. |
|
381 | Inserts a single \a slice to the series before the slice at \a index position. | |
382 | Slice ownership is passed to the series. |
|
382 | Slice ownership is passed to the series. | |
383 | */ |
|
383 | */ | |
384 | void QPieSeries::insert(int index, QPieSlice* slice) |
|
384 | void QPieSeries::insert(int index, QPieSlice* slice) | |
385 | { |
|
385 | { | |
386 | Q_D(QPieSeries); |
|
386 | Q_D(QPieSeries); | |
387 | Q_ASSERT(index <= d->m_slices.count()); |
|
387 | Q_ASSERT(index <= d->m_slices.count()); | |
388 | slice->setParent(this); |
|
388 | slice->setParent(this); | |
389 | d->m_slices.insert(index, slice); |
|
389 | d->m_slices.insert(index, slice); | |
390 |
|
390 | |||
391 | d->updateDerivativeData(); |
|
391 | d->updateDerivativeData(); | |
392 |
|
392 | |||
393 | connect(slice, SIGNAL(changed()), d, SLOT(sliceChanged())); |
|
393 | connect(slice, SIGNAL(changed()), d, SLOT(sliceChanged())); | |
394 | connect(slice, SIGNAL(clicked(Qt::MouseButtons)), d, SLOT(sliceClicked(Qt::MouseButtons))); |
|
394 | connect(slice, SIGNAL(clicked(Qt::MouseButtons)), d, SLOT(sliceClicked(Qt::MouseButtons))); | |
395 | connect(slice, SIGNAL(hoverEnter()), d, SLOT(sliceHoverEnter())); |
|
395 | connect(slice, SIGNAL(hoverEnter()), d, SLOT(sliceHoverEnter())); | |
396 | connect(slice, SIGNAL(hoverLeave()), d, SLOT(sliceHoverLeave())); |
|
396 | connect(slice, SIGNAL(hoverLeave()), d, SLOT(sliceHoverLeave())); | |
397 |
|
397 | |||
398 | emit added(QList<QPieSlice*>() << slice); |
|
398 | emit added(QList<QPieSlice*>() << slice); | |
399 | } |
|
399 | } | |
400 |
|
400 | |||
401 | /*! |
|
401 | /*! | |
402 | Removes a single \a slice from the series and deletes the slice. |
|
402 | Removes a single \a slice from the series and deletes the slice. | |
403 |
|
403 | |||
404 | Do not reference this pointer after this call. |
|
404 | Do not reference this pointer after this call. | |
405 | */ |
|
405 | */ | |
406 | void QPieSeries::remove(QPieSlice* slice) |
|
406 | void QPieSeries::remove(QPieSlice* slice) | |
407 | { |
|
407 | { | |
408 | Q_D(QPieSeries); |
|
408 | Q_D(QPieSeries); | |
409 | if (!d->m_slices.removeOne(slice)) { |
|
409 | if (!d->m_slices.removeOne(slice)) { | |
410 | Q_ASSERT(0); // TODO: how should this be reported? |
|
410 | Q_ASSERT(0); // TODO: how should this be reported? | |
411 | return; |
|
411 | return; | |
412 | } |
|
412 | } | |
413 |
|
413 | |||
414 | d->updateDerivativeData(); |
|
414 | d->updateDerivativeData(); | |
415 |
|
415 | |||
416 | emit removed(QList<QPieSlice*>() << slice); |
|
416 | emit removed(QList<QPieSlice*>() << slice); | |
417 |
|
417 | |||
418 | delete slice; |
|
418 | delete slice; | |
419 | slice = 0; |
|
419 | slice = 0; | |
420 | } |
|
420 | } | |
421 |
|
421 | |||
422 | /*! |
|
422 | /*! | |
423 | Clears all slices from the series. |
|
423 | Clears all slices from the series. | |
424 | */ |
|
424 | */ | |
425 | void QPieSeries::clear() |
|
425 | void QPieSeries::clear() | |
426 | { |
|
426 | { | |
427 | Q_D(QPieSeries); |
|
427 | Q_D(QPieSeries); | |
428 | if (d->m_slices.count() == 0) |
|
428 | if (d->m_slices.count() == 0) | |
429 | return; |
|
429 | return; | |
430 |
|
430 | |||
431 | QList<QPieSlice*> slices = d->m_slices; |
|
431 | QList<QPieSlice*> slices = d->m_slices; | |
432 | foreach (QPieSlice* s, d->m_slices) { |
|
432 | foreach (QPieSlice* s, d->m_slices) { | |
433 | d->m_slices.removeOne(s); |
|
433 | d->m_slices.removeOne(s); | |
434 | delete s; |
|
434 | delete s; | |
435 | } |
|
435 | } | |
436 |
|
436 | |||
437 | d->updateDerivativeData(); |
|
437 | d->updateDerivativeData(); | |
438 |
|
438 | |||
439 | emit removed(slices); |
|
439 | emit removed(slices); | |
440 | } |
|
440 | } | |
441 |
|
441 | |||
442 | /*! |
|
442 | /*! | |
443 |
|
|
443 | returns the number of the slices in this series. | |
444 | */ |
|
444 | */ | |
445 | int QPieSeries::count() const |
|
445 | int QPieSeries::count() const | |
446 | { |
|
446 | { | |
447 | Q_D(const QPieSeries); |
|
447 | Q_D(const QPieSeries); | |
448 | return d->m_slices.count(); |
|
448 | return d->m_slices.count(); | |
449 | } |
|
449 | } | |
450 |
|
450 | |||
451 | /*! |
|
451 | /*! | |
452 | Returns true is the series is empty. |
|
452 | Returns true is the series is empty. | |
453 | */ |
|
453 | */ | |
454 | bool QPieSeries::isEmpty() const |
|
454 | bool QPieSeries::isEmpty() const | |
455 | { |
|
455 | { | |
456 | Q_D(const QPieSeries); |
|
456 | Q_D(const QPieSeries); | |
457 | return d->m_slices.isEmpty(); |
|
457 | return d->m_slices.isEmpty(); | |
458 | } |
|
458 | } | |
459 |
|
459 | |||
460 | /*! |
|
460 | /*! | |
461 | Returns a list of slices that belong to this series. |
|
461 | Returns a list of slices that belong to this series. | |
462 | */ |
|
462 | */ | |
463 | QList<QPieSlice*> QPieSeries::slices() const |
|
463 | QList<QPieSlice*> QPieSeries::slices() const | |
464 | { |
|
464 | { | |
465 | Q_D(const QPieSeries); |
|
465 | Q_D(const QPieSeries); | |
466 | return d->m_slices; |
|
466 | return d->m_slices; | |
467 | } |
|
467 | } | |
468 |
|
468 | |||
469 | void QPieSeries::setHorizontalPosition(qreal relativePosition) |
|
469 | void QPieSeries::setHorizontalPosition(qreal relativePosition) | |
470 | { |
|
470 | { | |
471 | Q_D(QPieSeries); |
|
471 | Q_D(QPieSeries); | |
472 | if (d->setRealValue(d->m_pieRelativeHorPos, relativePosition, 1.0)) |
|
472 | if (d->setRealValue(d->m_pieRelativeHorPos, relativePosition, 1.0)) | |
473 | emit piePositionChanged(); |
|
473 | emit piePositionChanged(); | |
474 | } |
|
474 | } | |
475 |
|
475 | |||
476 | void QPieSeries::setVerticalPosition(qreal relativePosition) |
|
476 | void QPieSeries::setVerticalPosition(qreal relativePosition) | |
477 | { |
|
477 | { | |
478 | Q_D(QPieSeries); |
|
478 | Q_D(QPieSeries); | |
479 | if (d->setRealValue(d->m_pieRelativeVerPos, relativePosition, 1.0)) |
|
479 | if (d->setRealValue(d->m_pieRelativeVerPos, relativePosition, 1.0)) | |
480 | emit piePositionChanged(); |
|
480 | emit piePositionChanged(); | |
481 | } |
|
481 | } | |
482 |
|
482 | |||
483 | qreal QPieSeries::horizontalPosition() const |
|
483 | qreal QPieSeries::horizontalPosition() const | |
484 | { |
|
484 | { | |
485 | Q_D(const QPieSeries); |
|
485 | Q_D(const QPieSeries); | |
486 | return d->m_pieRelativeHorPos; |
|
486 | return d->m_pieRelativeHorPos; | |
487 | } |
|
487 | } | |
488 |
|
488 | |||
489 | qreal QPieSeries::verticalPosition() const |
|
489 | qreal QPieSeries::verticalPosition() const | |
490 | { |
|
490 | { | |
491 | Q_D(const QPieSeries); |
|
491 | Q_D(const QPieSeries); | |
492 | return d->m_pieRelativeVerPos; |
|
492 | return d->m_pieRelativeVerPos; | |
493 | } |
|
493 | } | |
494 |
|
494 | |||
495 | void QPieSeries::setPieSize(qreal relativeSize) |
|
495 | void QPieSeries::setPieSize(qreal relativeSize) | |
496 | { |
|
496 | { | |
497 | Q_D(QPieSeries); |
|
497 | Q_D(QPieSeries); | |
498 | if (d->setRealValue(d->m_pieRelativeSize, relativeSize, 1.0)) |
|
498 | if (d->setRealValue(d->m_pieRelativeSize, relativeSize, 1.0)) | |
499 | emit pieSizeChanged(); |
|
499 | emit pieSizeChanged(); | |
500 | } |
|
500 | } | |
501 |
|
501 | |||
502 | qreal QPieSeries::pieSize() const |
|
502 | qreal QPieSeries::pieSize() const | |
503 | { |
|
503 | { | |
504 | Q_D(const QPieSeries); |
|
504 | Q_D(const QPieSeries); | |
505 | return d->m_pieRelativeSize; |
|
505 | return d->m_pieRelativeSize; | |
506 | } |
|
506 | } | |
507 |
|
507 | |||
508 |
|
508 | |||
509 | void QPieSeries::setPieStartAngle(qreal angle) |
|
509 | void QPieSeries::setPieStartAngle(qreal angle) | |
510 | { |
|
510 | { | |
511 | Q_D(QPieSeries); |
|
511 | Q_D(QPieSeries); | |
512 | if (d->setRealValue(d->m_pieStartAngle, angle, d->m_pieEndAngle)) |
|
512 | if (d->setRealValue(d->m_pieStartAngle, angle, d->m_pieEndAngle)) | |
513 | d->updateDerivativeData(); |
|
513 | d->updateDerivativeData(); | |
514 | } |
|
514 | } | |
515 |
|
515 | |||
516 | qreal QPieSeries::pieStartAngle() const |
|
516 | qreal QPieSeries::pieStartAngle() const | |
517 | { |
|
517 | { | |
518 | Q_D(const QPieSeries); |
|
518 | Q_D(const QPieSeries); | |
519 | return d->m_pieStartAngle; |
|
519 | return d->m_pieStartAngle; | |
520 | } |
|
520 | } | |
521 |
|
521 | |||
522 | /*! |
|
522 | /*! | |
523 | Sets the end angle of the pie. |
|
523 | Sets the end angle of the pie. | |
524 |
|
524 | |||
525 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. |
|
525 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. | |
526 |
|
526 | |||
527 | \a angle must be greater than start angle. |
|
527 | \a angle must be greater than start angle. | |
528 |
|
528 | |||
529 | \sa pieEndAngle(), pieStartAngle(), setPieStartAngle() |
|
529 | \sa pieEndAngle(), pieStartAngle(), setPieStartAngle() | |
530 | */ |
|
530 | */ | |
531 | void QPieSeries::setPieEndAngle(qreal angle) |
|
531 | void QPieSeries::setPieEndAngle(qreal angle) | |
532 | { |
|
532 | { | |
533 | Q_D(QPieSeries); |
|
533 | Q_D(QPieSeries); | |
534 |
|
534 | |||
535 | if (d->setRealValue(d->m_pieEndAngle, angle, 360.0, d->m_pieStartAngle)) |
|
535 | if (d->setRealValue(d->m_pieEndAngle, angle, 360.0, d->m_pieStartAngle)) | |
536 | d->updateDerivativeData(); |
|
536 | d->updateDerivativeData(); | |
537 | } |
|
537 | } | |
538 |
|
538 | |||
539 | /*! |
|
539 | /*! | |
540 | Returns the end angle of the pie. |
|
540 | Returns the end angle of the pie. | |
541 |
|
541 | |||
542 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. |
|
542 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. | |
543 |
|
543 | |||
544 | \sa setPieEndAngle(), pieStartAngle(), setPieStartAngle() |
|
544 | \sa setPieEndAngle(), pieStartAngle(), setPieStartAngle() | |
545 | */ |
|
545 | */ | |
546 | qreal QPieSeries::pieEndAngle() const |
|
546 | qreal QPieSeries::pieEndAngle() const | |
547 | { |
|
547 | { | |
548 | Q_D(const QPieSeries); |
|
548 | Q_D(const QPieSeries); | |
549 | return d->m_pieEndAngle; |
|
549 | return d->m_pieEndAngle; | |
550 | } |
|
550 | } | |
551 |
|
551 | |||
552 | /*! |
|
552 | /*! | |
553 | Sets the all the slice labels \a visible or invisible. |
|
553 | Sets the all the slice labels \a visible or invisible. | |
554 |
|
554 | |||
555 | \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible() |
|
555 | \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible() | |
556 | */ |
|
556 | */ | |
557 | void QPieSeries::setLabelsVisible(bool visible) |
|
557 | void QPieSeries::setLabelsVisible(bool visible) | |
558 | { |
|
558 | { | |
559 | Q_D(QPieSeries); |
|
559 | Q_D(QPieSeries); | |
560 | foreach (QPieSlice* s, d->m_slices) |
|
560 | foreach (QPieSlice* s, d->m_slices) | |
561 | s->setLabelVisible(visible); |
|
561 | s->setLabelVisible(visible); | |
562 | } |
|
562 | } | |
563 |
|
563 | |||
564 | /*! |
|
564 | /*! | |
565 | Returns the sum of all slice values in this series. |
|
565 | Returns the sum of all slice values in this series. | |
566 |
|
566 | |||
567 | \sa QPieSlice::value(), QPieSlice::setValue() |
|
567 | \sa QPieSlice::value(), QPieSlice::setValue() | |
568 | */ |
|
568 | */ | |
569 | qreal QPieSeries::total() const |
|
569 | qreal QPieSeries::total() const | |
570 | { |
|
570 | { | |
571 | Q_D(const QPieSeries); |
|
571 | Q_D(const QPieSeries); | |
572 | return d->m_total; |
|
572 | return d->m_total; | |
573 | } |
|
573 | } | |
574 |
|
574 | |||
575 | /*! |
|
575 | /*! | |
576 | \fn void QPieSeries::clicked(QPieSlice* slice, Qt::MouseButtons buttons) |
|
576 | \fn void QPieSeries::clicked(QPieSlice* slice, Qt::MouseButtons buttons) | |
577 |
|
577 | |||
578 | This signal is emitted when a \a slice has been clicked with mouse \a buttons. |
|
578 | This signal is emitted when a \a slice has been clicked with mouse \a buttons. | |
579 |
|
579 | |||
580 | \sa QPieSlice::clicked() |
|
580 | \sa QPieSlice::clicked() | |
581 | */ |
|
581 | */ | |
582 |
|
582 | |||
583 | /*! |
|
583 | /*! | |
584 | \fn void QPieSeries::hoverEnter(QPieSlice* slice) |
|
584 | \fn void QPieSeries::hoverEnter(QPieSlice* slice) | |
585 |
|
585 | |||
586 | This signal is emitted when user has hovered over a \a slice. |
|
586 | This signal is emitted when user has hovered over a \a slice. | |
587 |
|
587 | |||
588 | \sa QPieSlice::hoverEnter() |
|
588 | \sa QPieSlice::hoverEnter() | |
589 | */ |
|
589 | */ | |
590 |
|
590 | |||
591 | /*! |
|
591 | /*! | |
592 | \fn void QPieSeries::hoverLeave(QPieSlice* slice) |
|
592 | \fn void QPieSeries::hoverLeave(QPieSlice* slice) | |
593 |
|
593 | |||
594 | This signal is emitted when user has hovered away from a \a slice. |
|
594 | This signal is emitted when user has hovered away from a \a slice. | |
595 |
|
595 | |||
596 | \sa QPieSlice::hoverLeave() |
|
596 | \sa QPieSlice::hoverLeave() | |
597 | */ |
|
597 | */ | |
598 |
|
598 | |||
599 | /*! |
|
599 | /*! | |
600 | \fn void QPieSeries::added(QList<QPieSlice*> slices) |
|
600 | \fn void QPieSeries::added(QList<QPieSlice*> slices) | |
601 |
|
601 | |||
602 | This signal is emitted when \a slices has been added to the series. |
|
602 | This signal is emitted when \a slices has been added to the series. | |
603 |
|
603 | |||
604 | \sa append(), insert() |
|
604 | \sa append(), insert() | |
605 | */ |
|
605 | */ | |
606 |
|
606 | |||
607 | /*! |
|
607 | /*! | |
608 | \fn void QPieSeries::removed(QList<QPieSlice*> slices) |
|
608 | \fn void QPieSeries::removed(QList<QPieSlice*> slices) | |
609 |
|
609 | |||
610 | This signal is emitted when \a slices has been removed from the series. |
|
610 | This signal is emitted when \a slices has been removed from the series. | |
611 |
|
611 | |||
612 | \sa remove(), clear() |
|
612 | \sa remove(), clear() | |
613 | */ |
|
613 | */ | |
614 |
|
614 | |||
615 | /*! |
|
615 | /*! | |
616 | \fn void QPieSeries::piePositionChanged() |
|
616 | \fn void QPieSeries::piePositionChanged() | |
617 |
|
617 | |||
618 | This signal is emitted when pie position has changed. |
|
618 | This signal is emitted when pie position has changed. | |
619 |
|
619 | |||
620 | \sa verticalPosition(), setVerticalPosition(), horizontalPosition(), setHorizontalPosition() |
|
620 | \sa verticalPosition(), setVerticalPosition(), horizontalPosition(), setHorizontalPosition() | |
621 | */ |
|
621 | */ | |
622 |
|
622 | |||
623 | /*! |
|
623 | /*! | |
624 | \fn void QPieSeries::pieSizeChanged() |
|
624 | \fn void QPieSeries::pieSizeChanged() | |
625 |
|
625 | |||
626 | This signal is emitted when pie size has changed. |
|
626 | This signal is emitted when pie size has changed. | |
627 |
|
627 | |||
628 | \sa pieSize(), setPieSize() |
|
628 | \sa pieSize(), setPieSize() | |
629 | */ |
|
629 | */ | |
630 |
|
630 | |||
631 | /*! |
|
631 | /*! | |
632 | \fn bool QPieSeries::setModel(QAbstractItemModel *model) |
|
632 | \fn bool QPieSeries::setModel(QAbstractItemModel *model) | |
633 | Sets the \a model to be used as a data source |
|
633 | Sets the \a model to be used as a data source | |
634 | */ |
|
634 | */ | |
635 | bool QPieSeries::setModel(QAbstractItemModel* model) |
|
635 | bool QPieSeries::setModel(QAbstractItemModel* model) | |
636 | { |
|
636 | { | |
637 | Q_D(QPieSeries); |
|
637 | Q_D(QPieSeries); | |
638 | // disconnect signals from old model |
|
638 | // disconnect signals from old model | |
639 | if(m_model) |
|
639 | if(m_model) | |
640 | { |
|
640 | { | |
641 | disconnect(m_model, 0, this, 0); |
|
641 | disconnect(m_model, 0, this, 0); | |
642 | d->m_mapValues = -1; |
|
642 | d->m_mapValues = -1; | |
643 | d->m_mapLabels = -1; |
|
643 | d->m_mapLabels = -1; | |
644 | d->m_mapOrientation = Qt::Vertical; |
|
644 | d->m_mapOrientation = Qt::Vertical; | |
645 | } |
|
645 | } | |
646 |
|
646 | |||
647 | // set new model |
|
647 | // set new model | |
648 | if(model) |
|
648 | if(model) | |
649 | { |
|
649 | { | |
650 | m_model = model; |
|
650 | m_model = model; | |
651 | return true; |
|
651 | return true; | |
652 | } |
|
652 | } | |
653 | else |
|
653 | else | |
654 | { |
|
654 | { | |
655 | m_model = 0; |
|
655 | m_model = 0; | |
656 | return false; |
|
656 | return false; | |
657 | } |
|
657 | } | |
658 | } |
|
658 | } | |
659 |
|
659 | |||
660 | /*! |
|
660 | /*! | |
661 | \fn bool QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation) |
|
661 | \fn bool QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation) | |
662 | Sets column/row specified by \a modelValuesLine to be used as a list of pie slice values for the pie. |
|
662 | Sets column/row specified by \a modelValuesLine to be used as a list of pie slice values for the pie. | |
663 | Parameter \a modelValuesLine indicates the column/row where the values for the pie slices are located in the model. |
|
663 | Parameter \a modelValuesLine indicates the column/row where the values for the pie slices are located in the model. | |
664 | Parameter \a modelLabelsLine indicates the column/row where the labels for the pie slices are located in the model. |
|
664 | Parameter \a modelLabelsLine indicates the column/row where the labels for the pie slices are located in the model. | |
665 | The \a orientation paramater specifies whether the data is in columns or in rows. |
|
665 | The \a orientation paramater specifies whether the data is in columns or in rows. | |
666 | */ |
|
666 | */ | |
667 | void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation) |
|
667 | void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation) | |
668 | { |
|
668 | { | |
669 | Q_D(QPieSeries); |
|
669 | Q_D(QPieSeries); | |
670 |
|
670 | |||
671 | if (m_model == 0) |
|
671 | if (m_model == 0) | |
672 | return; |
|
672 | return; | |
673 |
|
673 | |||
674 | d->m_mapValues = modelValuesLine; |
|
674 | d->m_mapValues = modelValuesLine; | |
675 | d->m_mapLabels = modelLabelsLine; |
|
675 | d->m_mapLabels = modelLabelsLine; | |
676 | d->m_mapOrientation = orientation; |
|
676 | d->m_mapOrientation = orientation; | |
677 |
|
677 | |||
678 | // connect the signals |
|
678 | // connect the signals | |
679 | if (d->m_mapOrientation == Qt::Vertical) { |
|
679 | if (d->m_mapOrientation == Qt::Vertical) { | |
680 | connect(m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex, QModelIndex))); |
|
680 | connect(m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex, QModelIndex))); | |
681 | connect(m_model, SIGNAL(rowsInserted(QModelIndex, int, int)), d, SLOT(modelDataAdded(QModelIndex,int,int))); |
|
681 | connect(m_model, SIGNAL(rowsInserted(QModelIndex, int, int)), d, SLOT(modelDataAdded(QModelIndex,int,int))); | |
682 | connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), d, SLOT(modelDataRemoved(QModelIndex,int,int))); |
|
682 | connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), d, SLOT(modelDataRemoved(QModelIndex,int,int))); | |
683 | } else { |
|
683 | } else { | |
684 | connect(m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex, QModelIndex))); |
|
684 | connect(m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex, QModelIndex))); | |
685 | connect(m_model, SIGNAL(columnsInserted(QModelIndex, int, int)), d, SLOT(modelDataAdded(QModelIndex,int,int))); |
|
685 | connect(m_model, SIGNAL(columnsInserted(QModelIndex, int, int)), d, SLOT(modelDataAdded(QModelIndex,int,int))); | |
686 | connect(m_model, SIGNAL(columnsRemoved(QModelIndex, int, int)), d, SLOT(modelDataRemoved(QModelIndex,int,int))); |
|
686 | connect(m_model, SIGNAL(columnsRemoved(QModelIndex, int, int)), d, SLOT(modelDataRemoved(QModelIndex,int,int))); | |
687 | } |
|
687 | } | |
688 |
|
688 | |||
689 | // create the initial slices set |
|
689 | // create the initial slices set | |
690 | if (d->m_mapOrientation == Qt::Vertical) { |
|
690 | if (d->m_mapOrientation == Qt::Vertical) { | |
691 | for (int i = 0; i < m_model->rowCount(); i++) |
|
691 | for (int i = 0; i < m_model->rowCount(); i++) | |
692 | append(m_model->data(m_model->index(i, d->m_mapValues), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(i, d->m_mapLabels), Qt::DisplayRole).toString()); |
|
692 | append(m_model->data(m_model->index(i, d->m_mapValues), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(i, d->m_mapLabels), Qt::DisplayRole).toString()); | |
693 | } else { |
|
693 | } else { | |
694 | for (int i = 0; i < m_model->columnCount(); i++) |
|
694 | for (int i = 0; i < m_model->columnCount(); i++) | |
695 | append(m_model->data(m_model->index(d->m_mapValues, i), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(d->m_mapLabels, i), Qt::DisplayRole).toString()); |
|
695 | append(m_model->data(m_model->index(d->m_mapValues, i), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(d->m_mapLabels, i), Qt::DisplayRole).toString()); | |
696 | } |
|
696 | } | |
697 | } |
|
697 | } | |
698 |
|
698 | |||
699 | #include "moc_qpieseries.cpp" |
|
699 | #include "moc_qpieseries.cpp" | |
700 | #include "moc_qpieseriesprivate_p.cpp" |
|
700 | #include "moc_qpieseriesprivate_p.cpp" | |
701 |
|
701 | |||
702 | QTCOMMERCIALCHART_END_NAMESPACE |
|
702 | QTCOMMERCIALCHART_END_NAMESPACE |
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