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Added insert pie slice function to QPieSeries
Marek Rosa -
r604:e52d5440d618
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@@ -1,146 +1,146
1 #include "customtablemodel.h"
1 #include "customtablemodel.h"
2
2
3 CustomTableModel::CustomTableModel(QObject *parent) :
3 CustomTableModel::CustomTableModel(QObject *parent) :
4 QAbstractTableModel(parent)
4 QAbstractTableModel(parent)
5 {
5 {
6 m_points.append(QPointF(10, 50));
6 m_points.append(QPointF(10, 50));
7 m_labels.append("Apples");
7 m_labels.append("Apples");
8 m_points.append(QPointF(60, 70));
8 m_points.append(QPointF(60, 70));
9 m_labels.append("Oranges");
9 m_labels.append("Oranges");
10 m_points.append(QPointF(110, 50));
10 m_points.append(QPointF(110, 50));
11 m_labels.append("Bananas");
11 m_labels.append("Bananas");
12 m_points.append(QPointF(140, 40));
12 m_points.append(QPointF(140, 40));
13 m_labels.append("Lemons");
13 m_labels.append("Lemons");
14 m_points.append(QPointF(200, 150));
14 m_points.append(QPointF(200, 150));
15 m_labels.append("Plums");
15 m_labels.append("Plums");
16 m_points.append(QPointF(225, 75));
16 m_points.append(QPointF(225, 75));
17 m_labels.append("Pearls");
17 m_labels.append("Pearls");
18 }
18 }
19
19
20 int CustomTableModel::rowCount(const QModelIndex & parent) const
20 int CustomTableModel::rowCount(const QModelIndex & parent) const
21 {
21 {
22 return m_points.count();
22 return m_points.count();
23 }
23 }
24
24
25 int CustomTableModel::columnCount(const QModelIndex & parent) const
25 int CustomTableModel::columnCount(const QModelIndex & parent) const
26 {
26 {
27 return 3;
27 return 3;
28 }
28 }
29
29
30 QVariant CustomTableModel::headerData (int section, Qt::Orientation orientation, int role ) const
30 QVariant CustomTableModel::headerData (int section, Qt::Orientation orientation, int role ) const
31 {
31 {
32 if (role != Qt::DisplayRole)
32 if (role != Qt::DisplayRole)
33 return QVariant();
33 return QVariant();
34
34
35 if (orientation == Qt::Horizontal)
35 if (orientation == Qt::Horizontal)
36 {
36 {
37 switch(section)
37 switch(section)
38 {
38 {
39 case 0:
39 case 0:
40 return "x";
40 return "x";
41 case 1:
41 case 1:
42 return "y";
42 return "y";
43 case 2:
43 case 2:
44 return "Fruit";
44 return "Fruit";
45 default:
45 default:
46 return "What?";
46 return "What?";
47 }
47 }
48 }
48 }
49 else
49 else
50 return QString("%1").arg(section + 1);
50 return QString("%1").arg(section + 1);
51 }
51 }
52
52
53 QVariant CustomTableModel::data(const QModelIndex & index, int role) const
53 QVariant CustomTableModel::data(const QModelIndex & index, int role) const
54 {
54 {
55 if (role == Qt::DisplayRole)
55 if (role == Qt::DisplayRole)
56 {
56 {
57 switch(index.column())
57 switch(index.column())
58 {
58 {
59 case 0:
59 case 0:
60 return m_points[index.row()].x();
60 return m_points[index.row()].x();
61 case 1:
61 case 1:
62 return m_points[index.row()].y();
62 return m_points[index.row()].y();
63 case 2:
63 case 2:
64 return m_labels[index.row()];
64 return m_labels[index.row()];
65 default:
65 default:
66 return QVariant();
66 return QVariant();
67 }
67 }
68 }
68 }
69 else if (role == Qt::EditRole)
69 else if (role == Qt::EditRole)
70 {
70 {
71 switch(index.column())
71 switch(index.column())
72 {
72 {
73 case 0:
73 case 0:
74 return m_points[index.row()].x();
74 return m_points[index.row()].x();
75 case 1:
75 case 1:
76 return m_points[index.row()].y();
76 return m_points[index.row()].y();
77 case 2:
77 case 2:
78 return m_labels[index.row()];
78 return m_labels[index.row()];
79 default:
79 default:
80 return QVariant();
80 return QVariant();
81 }
81 }
82 }
82 }
83 }
83 }
84
84
85 bool CustomTableModel::setData ( const QModelIndex & index, const QVariant & value, int role)
85 bool CustomTableModel::setData ( const QModelIndex & index, const QVariant & value, int role)
86 {
86 {
87 if (index.isValid() && role == Qt::EditRole)
87 if (index.isValid() && role == Qt::EditRole)
88 {
88 {
89 switch(index.column())
89 switch(index.column())
90 {
90 {
91 case 0:
91 case 0:
92 m_points[index.row()].setX(value.toDouble());
92 m_points[index.row()].setX(value.toDouble());
93 break;
93 break;
94 case 1:
94 case 1:
95 m_points[index.row()].setY(value.toDouble());
95 m_points[index.row()].setY(value.toDouble());
96 break;
96 break;
97 case 2:
97 case 2:
98 m_labels.replace(index.row(), value.toString());
98 m_labels.replace(index.row(), value.toString());
99 break;
99 break;
100 default:
100 default:
101 return false;
101 return false;
102 }
102 }
103 emit dataChanged(index, index);
103 emit dataChanged(index, index);
104 return true;
104 return true;
105 }
105 }
106 return false;
106 return false;
107 }
107 }
108
108
109 Qt::ItemFlags CustomTableModel::flags ( const QModelIndex & index ) const
109 Qt::ItemFlags CustomTableModel::flags ( const QModelIndex & index ) const
110 {
110 {
111 // if (!index.isValid())
111 // if (!index.isValid())
112 // return Qt::ItemIsEnabled;
112 // return Qt::ItemIsEnabled;
113 return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
113 return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
114 }
114 }
115
115
116 bool CustomTableModel::insertRows ( int row, int count, const QModelIndex & parent)
116 bool CustomTableModel::insertRows ( int row, int count, const QModelIndex & parent)
117 {
117 {
118 if (row < 0)
118 if (row < 0)
119 row = 0;
119 row = 0;
120 beginInsertRows(QModelIndex(), row /*dataTable.count()*/, row + count - 1);
120 beginInsertRows(QModelIndex(), row /*dataTable.count()*/, row + count - 1);
121 for (int i = row; i < row + count; i++)
121 for (int i = row; i < row + count; i++)
122 {
122 {
123 m_points.insert(row, QPointF());
123 m_points.insert(row, QPointF(10,20));
124 m_labels.insert(row,(""));
124 m_labels.insert(row,("a"));
125 }
125 }
126 endInsertRows();
126 endInsertRows();
127 return true;
127 return true;
128 }
128 }
129
129
130 bool CustomTableModel::removeRows ( int row, int count, const QModelIndex & parent)
130 bool CustomTableModel::removeRows ( int row, int count, const QModelIndex & parent)
131 {
131 {
132 if (row > this->rowCount() - 1)
132 if (row > this->rowCount() - 1)
133 return false;
133 return false;
134 if (row < 0)
134 if (row < 0)
135 row = 0;
135 row = 0;
136 if (row + count > rowCount())
136 if (row + count > rowCount())
137 return false;
137 return false;
138 beginRemoveRows(parent, row, row + count - 1);
138 beginRemoveRows(parent, row, row + count - 1);
139 for (int i = row; i < row + count; i++)
139 for (int i = row; i < row + count; i++)
140 {
140 {
141 m_points.removeAt(row);
141 m_points.removeAt(row);
142 m_labels.removeAt(row);
142 m_labels.removeAt(row);
143 }
143 }
144 endRemoveRows();
144 endRemoveRows();
145 return true;
145 return true;
146 }
146 }
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@@ -1,601 +1,634
1 #include "qpieseries.h"
1 #include "qpieseries.h"
2 #include "qpieslice.h"
2 #include "qpieslice.h"
3 #include <QDebug>
3 #include <QDebug>
4
4
5 QTCOMMERCIALCHART_BEGIN_NAMESPACE
5 QTCOMMERCIALCHART_BEGIN_NAMESPACE
6
6
7
7
8 /*!
8 /*!
9 \class QPieSeries::ChangeSet
9 \class QPieSeries::ChangeSet
10 \brief Defines the changes in the series.
10 \brief Defines the changes in the series.
11
11
12 Contains the changes that have occurred in the series. Lists of added, changed and removed slices.
12 Contains the changes that have occurred in the series. Lists of added, changed and removed slices.
13
13
14 \sa QPieSeries::changed()
14 \sa QPieSeries::changed()
15 */
15 */
16
16
17 /*!
17 /*!
18 \internal
18 \internal
19 */
19 */
20 void QPieSeries::ChangeSet::appendAdded(QPieSlice* slice)
20 void QPieSeries::ChangeSet::appendAdded(QPieSlice* slice)
21 {
21 {
22 if (!m_added.contains(slice))
22 if (!m_added.contains(slice))
23 m_added << slice;
23 m_added << slice;
24 }
24 }
25
25
26 /*!
26 /*!
27 \internal
27 \internal
28 */
28 */
29 void QPieSeries::ChangeSet::appendAdded(QList<QPieSlice*> slices)
29 void QPieSeries::ChangeSet::appendAdded(QList<QPieSlice*> slices)
30 {
30 {
31 foreach (QPieSlice* s, slices)
31 foreach (QPieSlice* s, slices)
32 appendAdded(s);
32 appendAdded(s);
33 }
33 }
34
34
35 /*!
35 /*!
36 \internal
36 \internal
37 */
37 */
38 void QPieSeries::ChangeSet::appendChanged(QPieSlice* slice)
38 void QPieSeries::ChangeSet::appendChanged(QPieSlice* slice)
39 {
39 {
40 if (!m_changed.contains(slice))
40 if (!m_changed.contains(slice))
41 m_changed << slice;
41 m_changed << slice;
42 }
42 }
43
43
44 /*!
44 /*!
45 \internal
45 \internal
46 */
46 */
47 void QPieSeries::ChangeSet::appendRemoved(QPieSlice* slice)
47 void QPieSeries::ChangeSet::appendRemoved(QPieSlice* slice)
48 {
48 {
49 if (!m_removed.contains(slice))
49 if (!m_removed.contains(slice))
50 m_removed << slice;
50 m_removed << slice;
51 }
51 }
52
52
53 /*!
53 /*!
54 Returns a list of slices that have been added to the series.
54 Returns a list of slices that have been added to the series.
55 \sa QPieSeries::changed()
55 \sa QPieSeries::changed()
56 */
56 */
57 QList<QPieSlice*> QPieSeries::ChangeSet::added() const
57 QList<QPieSlice*> QPieSeries::ChangeSet::added() const
58 {
58 {
59 return m_added;
59 return m_added;
60 }
60 }
61
61
62 /*!
62 /*!
63 Returns a list of slices that have been changed in the series.
63 Returns a list of slices that have been changed in the series.
64 \sa QPieSeries::changed()
64 \sa QPieSeries::changed()
65 */
65 */
66 QList<QPieSlice*> QPieSeries::ChangeSet::changed() const
66 QList<QPieSlice*> QPieSeries::ChangeSet::changed() const
67 {
67 {
68 return m_changed;
68 return m_changed;
69 }
69 }
70
70
71 /*!
71 /*!
72 Returns a list of slices that have been removed from the series.
72 Returns a list of slices that have been removed from the series.
73 \sa QPieSeries::changed()
73 \sa QPieSeries::changed()
74 */
74 */
75 QList<QPieSlice*> QPieSeries::ChangeSet::removed() const
75 QList<QPieSlice*> QPieSeries::ChangeSet::removed() const
76 {
76 {
77 return m_removed;
77 return m_removed;
78 }
78 }
79
79
80
80
81 /*!
81 /*!
82 Returns true if there are no added/changed or removed slices in the change set.
82 Returns true if there are no added/changed or removed slices in the change set.
83 */
83 */
84 bool QPieSeries::ChangeSet::isEmpty() const
84 bool QPieSeries::ChangeSet::isEmpty() const
85 {
85 {
86 if (m_added.count() || m_changed.count() || m_removed.count())
86 if (m_added.count() || m_changed.count() || m_removed.count())
87 return false;
87 return false;
88 return true;
88 return true;
89 }
89 }
90
90
91 /*!
91 /*!
92 \class QPieSeries
92 \class QPieSeries
93 \brief Pie series API for QtCommercial Charts
93 \brief Pie series API for QtCommercial Charts
94
94
95 The pie series defines a pie chart which consists of pie slices which are QPieSlice objects.
95 The pie series defines a pie chart which consists of pie slices which are QPieSlice objects.
96 The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices.
96 The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices.
97 The actual slice size is determined by that relative value.
97 The actual slice size is determined by that relative value.
98
98
99 By default the pie is defined as a full pie but it can be a partial pie.
99 By default the pie is defined as a full pie but it can be a partial pie.
100 This can be done by setting a starting angle and angle span to the series.
100 This can be done by setting a starting angle and angle span to the series.
101 */
101 */
102
102
103 /*!
103 /*!
104 Constructs a series object which is a child of \a parent.
104 Constructs a series object which is a child of \a parent.
105 */
105 */
106 QPieSeries::QPieSeries(QObject *parent) :
106 QPieSeries::QPieSeries(QObject *parent) :
107 QSeries(parent),
107 QSeries(parent),
108 m_pieRelativeHorPos(0.5),
108 m_pieRelativeHorPos(0.5),
109 m_pieRelativeVerPos(0.5),
109 m_pieRelativeVerPos(0.5),
110 m_pieRelativeSize(0.7),
110 m_pieRelativeSize(0.7),
111 m_pieStartAngle(0),
111 m_pieStartAngle(0),
112 m_pieEndAngle(360),
112 m_pieEndAngle(360),
113 m_total(0)
113 m_total(0)
114 {
114 {
115
115
116 }
116 }
117
117
118 /*!
118 /*!
119 Destroys the object. Note that adding series to QChart transfers the ownership to the chart.
119 Destroys the object. Note that adding series to QChart transfers the ownership to the chart.
120 */
120 */
121 QPieSeries::~QPieSeries()
121 QPieSeries::~QPieSeries()
122 {
122 {
123
123
124 }
124 }
125
125
126 /*!
126 /*!
127 Returns QChartSeries::SeriesTypePie.
127 Returns QChartSeries::SeriesTypePie.
128 */
128 */
129 QSeries::QSeriesType QPieSeries::type() const
129 QSeries::QSeriesType QPieSeries::type() const
130 {
130 {
131 return QSeries::SeriesTypePie;
131 return QSeries::SeriesTypePie;
132 }
132 }
133
133
134 /*!
134 /*!
135 Sets an array of \a slices to the series replacing the existing slices.
135 Sets an array of \a slices to the series replacing the existing slices.
136 Slice ownership is passed to the series.
136 Slice ownership is passed to the series.
137 */
137 */
138 void QPieSeries::replace(QList<QPieSlice*> slices)
138 void QPieSeries::replace(QList<QPieSlice*> slices)
139 {
139 {
140 clear();
140 clear();
141 add(slices);
141 add(slices);
142 }
142 }
143
143
144 /*!
144 /*!
145 Adds an array of \a slices to the series.
145 Adds an array of \a slices to the series.
146 Slice ownership is passed to the series.
146 Slice ownership is passed to the series.
147 */
147 */
148 void QPieSeries::add(QList<QPieSlice*> slices)
148 void QPieSeries::add(QList<QPieSlice*> slices)
149 {
149 {
150 foreach (QPieSlice* s, slices) {
150 foreach (QPieSlice* s, slices) {
151 s->setParent(this);
151 s->setParent(this);
152 m_slices << s;
152 m_slices << s;
153 }
153 }
154
154
155 updateDerivativeData();
155 updateDerivativeData();
156
156
157 foreach (QPieSlice* s, slices) {
157 foreach (QPieSlice* s, slices) {
158 connect(s, SIGNAL(changed()), this, SLOT(sliceChanged()));
158 connect(s, SIGNAL(changed()), this, SLOT(sliceChanged()));
159 connect(s, SIGNAL(clicked()), this, SLOT(sliceClicked()));
159 connect(s, SIGNAL(clicked()), this, SLOT(sliceClicked()));
160 connect(s, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter()));
160 connect(s, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter()));
161 connect(s, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave()));
161 connect(s, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave()));
162 }
162 }
163
163
164 emit changed();
164 emit changed();
165 }
165 }
166
166
167 /*!
167 /*!
168 Adds a single \a slice to the series.
168 Adds a single \a slice to the series.
169 Slice ownership is passed to the series.
169 Slice ownership is passed to the series.
170 */
170 */
171 void QPieSeries::add(QPieSlice* slice)
171 void QPieSeries::add(QPieSlice* slice)
172 {
172 {
173 add(QList<QPieSlice*>() << slice);
173 add(QList<QPieSlice*>() << slice);
174 }
174 }
175
175
176 /*!
176 /*!
177 Adds a single \a slice to the series and returns a reference to the series.
177 Adds a single \a slice to the series and returns a reference to the series.
178 Slice ownership is passed to the series.
178 Slice ownership is passed to the series.
179 */
179 */
180 QPieSeries& QPieSeries::operator << (QPieSlice* slice)
180 QPieSeries& QPieSeries::operator << (QPieSlice* slice)
181 {
181 {
182 add(slice);
182 add(slice);
183 return *this;
183 return *this;
184 }
184 }
185
185
186
186
187 /*!
187 /*!
188 Adds a single slice to the series with give \a value and \a name.
188 Adds a single slice to the series with give \a value and \a name.
189 Slice ownership is passed to the series.
189 Slice ownership is passed to the series.
190 */
190 */
191 QPieSlice* QPieSeries::add(qreal value, QString name)
191 QPieSlice* QPieSeries::add(qreal value, QString name)
192 {
192 {
193 QPieSlice* slice = new QPieSlice(value, name);
193 QPieSlice* slice = new QPieSlice(value, name);
194 add(slice);
194 add(slice);
195 return slice;
195 return slice;
196 }
196 }
197
197
198 void QPieSeries::insert(int i, QPieSlice* slice)
199 {
200 Q_ASSERT(i <= m_slices.count());
201 slice->setParent(this);
202 m_slices.insert(i, slice);
203
204 updateDerivativeData();
205
206 connect(slice, SIGNAL(changed()), this, SLOT(sliceChanged()));
207 connect(slice, SIGNAL(clicked()), this, SLOT(sliceClicked()));
208 connect(slice, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter()));
209 connect(slice, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave()));
210
211 emit changed();
212 }
213
198 /*!
214 /*!
199 Removes a single \a slice from the series and deletes the slice.
215 Removes a single \a slice from the series and deletes the slice.
200
216
201 Do not reference this pointer after this call.
217 Do not reference this pointer after this call.
202 */
218 */
203 void QPieSeries::remove(QPieSlice* slice)
219 void QPieSeries::remove(QPieSlice* slice)
204 {
220 {
205 if (!m_slices.removeOne(slice)) {
221 if (!m_slices.removeOne(slice)) {
206 Q_ASSERT(0); // TODO: how should this be reported?
222 Q_ASSERT(0); // TODO: how should this be reported?
207 return;
223 return;
208 }
224 }
209 emit changed();
225 emit changed();
210
226
211 updateDerivativeData();
227 updateDerivativeData();
212
228
213 delete slice;
229 delete slice;
214 slice = NULL;
230 slice = NULL;
215 }
231 }
216
232
217 /*!
233 /*!
218 Clears all slices from the series.
234 Clears all slices from the series.
219 */
235 */
220 void QPieSeries::clear()
236 void QPieSeries::clear()
221 {
237 {
222 if (m_slices.count() == 0)
238 if (m_slices.count() == 0)
223 return;
239 return;
224
240
225 foreach (QPieSlice* s, m_slices) {
241 foreach (QPieSlice* s, m_slices) {
226 m_slices.removeOne(s);
242 m_slices.removeOne(s);
227 delete s;
243 delete s;
228 }
244 }
229
245
230 emit changed();
246 emit changed();
231
247
232 updateDerivativeData();
248 updateDerivativeData();
233 }
249 }
234
250
235 /*!
251 /*!
236 Counts the number of the slices in this series.
252 Counts the number of the slices in this series.
237 */
253 */
238 int QPieSeries::count() const
254 int QPieSeries::count() const
239 {
255 {
240 return m_slices.count();
256 return m_slices.count();
241 }
257 }
242
258
243 /*!
259 /*!
244 Returns a list of slices that belong to this series.
260 Returns a list of slices that belong to this series.
245 */
261 */
246 QList<QPieSlice*> QPieSeries::slices() const
262 QList<QPieSlice*> QPieSeries::slices() const
247 {
263 {
248 return m_slices;
264 return m_slices;
249 }
265 }
250
266
251 /*!
267 /*!
252 Sets the center position of the pie by \a relativeHorizontalPosition and \a relativeVerticalPosition.
268 Sets the center position of the pie by \a relativeHorizontalPosition and \a relativeVerticalPosition.
253
269
254 The factors are relative to the chart rectangle where:
270 The factors are relative to the chart rectangle where:
255
271
256 \a relativeHorizontalPosition 0.0 means the absolute left.
272 \a relativeHorizontalPosition 0.0 means the absolute left.
257 \a relativeHorizontalPosition 1.0 means the absolute right.
273 \a relativeHorizontalPosition 1.0 means the absolute right.
258 \a relativeVerticalPosition 0.0 means the absolute top.
274 \a relativeVerticalPosition 0.0 means the absolute top.
259 \a relativeVerticalPosition 1.0 means the absolute bottom.
275 \a relativeVerticalPosition 1.0 means the absolute bottom.
260
276
261 By default both values are 0.5 which puts the pie in the middle of the chart rectangle.
277 By default both values are 0.5 which puts the pie in the middle of the chart rectangle.
262
278
263 \sa pieHorizontalPosition(), pieVerticalPosition(), setPieSize()
279 \sa pieHorizontalPosition(), pieVerticalPosition(), setPieSize()
264 */
280 */
265 void QPieSeries::setPiePosition(qreal relativeHorizontalPosition, qreal relativeVerticalPosition)
281 void QPieSeries::setPiePosition(qreal relativeHorizontalPosition, qreal relativeVerticalPosition)
266 {
282 {
267 if (relativeHorizontalPosition < 0.0 || relativeHorizontalPosition > 1.0 ||
283 if (relativeHorizontalPosition < 0.0 || relativeHorizontalPosition > 1.0 ||
268 relativeVerticalPosition < 0.0 || relativeVerticalPosition > 1.0)
284 relativeVerticalPosition < 0.0 || relativeVerticalPosition > 1.0)
269 return;
285 return;
270
286
271 if (m_pieRelativeHorPos != relativeHorizontalPosition || m_pieRelativeVerPos != relativeVerticalPosition) {
287 if (m_pieRelativeHorPos != relativeHorizontalPosition || m_pieRelativeVerPos != relativeVerticalPosition) {
272 m_pieRelativeHorPos = relativeHorizontalPosition;
288 m_pieRelativeHorPos = relativeHorizontalPosition;
273 m_pieRelativeVerPos = relativeVerticalPosition;
289 m_pieRelativeVerPos = relativeVerticalPosition;
274 emit changed();
290 emit changed();
275 }
291 }
276 }
292 }
277
293
278 /*!
294 /*!
279 Gets the horizontal position of the pie.
295 Gets the horizontal position of the pie.
280
296
281 The returned value is relative to the chart rectangle where:
297 The returned value is relative to the chart rectangle where:
282
298
283 0.0 means the absolute left.
299 0.0 means the absolute left.
284 1.0 means the absolute right.
300 1.0 means the absolute right.
285
301
286 By default it is 0.5 which puts the pie in the horizontal middle of the chart rectangle.
302 By default it is 0.5 which puts the pie in the horizontal middle of the chart rectangle.
287
303
288 \sa setPiePosition(), pieVerticalPosition(), setPieSize()
304 \sa setPiePosition(), pieVerticalPosition(), setPieSize()
289 */
305 */
290 qreal QPieSeries::pieHorizontalPosition() const
306 qreal QPieSeries::pieHorizontalPosition() const
291 {
307 {
292 return m_pieRelativeHorPos;
308 return m_pieRelativeHorPos;
293 }
309 }
294
310
295 /*!
311 /*!
296 Gets the vertical position position of the pie.
312 Gets the vertical position position of the pie.
297
313
298 The returned value is relative to the chart rectangle where:
314 The returned value is relative to the chart rectangle where:
299
315
300 0.0 means the absolute top.
316 0.0 means the absolute top.
301 1.0 means the absolute bottom.
317 1.0 means the absolute bottom.
302
318
303 By default it is 0.5 which puts the pie in the vertical middle of the chart rectangle.
319 By default it is 0.5 which puts the pie in the vertical middle of the chart rectangle.
304
320
305 \sa setPiePosition(), pieHorizontalPosition(), setPieSize()
321 \sa setPiePosition(), pieHorizontalPosition(), setPieSize()
306 */
322 */
307 qreal QPieSeries::pieVerticalPosition() const
323 qreal QPieSeries::pieVerticalPosition() const
308 {
324 {
309 return m_pieRelativeVerPos;
325 return m_pieRelativeVerPos;
310 }
326 }
311
327
312 /*!
328 /*!
313 Sets the relative size of the pie.
329 Sets the relative size of the pie.
314
330
315 The \a relativeSize is defined so that the 1.0 is the maximum that can fit the given chart rectangle.
331 The \a relativeSize is defined so that the 1.0 is the maximum that can fit the given chart rectangle.
316
332
317 Default value is 0.7.
333 Default value is 0.7.
318
334
319 \sa pieSize(), setPiePosition(), pieVerticalPosition(), pieHorizontalPosition()
335 \sa pieSize(), setPiePosition(), pieVerticalPosition(), pieHorizontalPosition()
320 */
336 */
321 void QPieSeries::setPieSize(qreal relativeSize)
337 void QPieSeries::setPieSize(qreal relativeSize)
322 {
338 {
323 if (relativeSize < 0.0 || relativeSize > 1.0)
339 if (relativeSize < 0.0 || relativeSize > 1.0)
324 return;
340 return;
325
341
326 if (m_pieRelativeSize != relativeSize) {
342 if (m_pieRelativeSize != relativeSize) {
327 m_pieRelativeSize = relativeSize;
343 m_pieRelativeSize = relativeSize;
328 emit changed();
344 emit changed();
329 }
345 }
330 }
346 }
331
347
332 /*!
348 /*!
333 Gets the relative size of the pie.
349 Gets the relative size of the pie.
334
350
335 The size is defined so that the 1.0 is the maximum that can fit the given chart rectangle.
351 The size is defined so that the 1.0 is the maximum that can fit the given chart rectangle.
336
352
337 Default value is 0.7.
353 Default value is 0.7.
338
354
339 \sa setPieSize(), setPiePosition(), pieVerticalPosition(), pieHorizontalPosition()
355 \sa setPieSize(), setPiePosition(), pieVerticalPosition(), pieHorizontalPosition()
340 */
356 */
341 qreal QPieSeries::pieSize() const
357 qreal QPieSeries::pieSize() const
342 {
358 {
343 return m_pieRelativeSize;
359 return m_pieRelativeSize;
344 }
360 }
345
361
346
362
347 /*!
363 /*!
348 Sets the end angle of the pie.
364 Sets the end angle of the pie.
349
365
350 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
366 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
351
367
352 \a angle must be less than pie end angle. Default value is 0.
368 \a angle must be less than pie end angle. Default value is 0.
353
369
354 \sa pieStartAngle(), pieEndAngle(), setPieEndAngle()
370 \sa pieStartAngle(), pieEndAngle(), setPieEndAngle()
355 */
371 */
356 void QPieSeries::setPieStartAngle(qreal angle)
372 void QPieSeries::setPieStartAngle(qreal angle)
357 {
373 {
358 if (angle >= 0 && angle <= 360 && angle != m_pieStartAngle && angle <= m_pieEndAngle) {
374 if (angle >= 0 && angle <= 360 && angle != m_pieStartAngle && angle <= m_pieEndAngle) {
359 m_pieStartAngle = angle;
375 m_pieStartAngle = angle;
360 updateDerivativeData();
376 updateDerivativeData();
361 }
377 }
362 }
378 }
363
379
364 /*!
380 /*!
365 Gets the start angle of the pie.
381 Gets the start angle of the pie.
366
382
367 Full pie is 360 degrees where 0 degrees is at 12 a'clock. Default value is 360.
383 Full pie is 360 degrees where 0 degrees is at 12 a'clock. Default value is 360.
368
384
369 \sa setPieStartAngle(), pieEndAngle(), setPieEndAngle()
385 \sa setPieStartAngle(), pieEndAngle(), setPieEndAngle()
370 */
386 */
371 qreal QPieSeries::pieStartAngle() const
387 qreal QPieSeries::pieStartAngle() const
372 {
388 {
373 return m_pieStartAngle;
389 return m_pieStartAngle;
374 }
390 }
375
391
376 /*!
392 /*!
377 Sets the end angle of the pie.
393 Sets the end angle of the pie.
378
394
379 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
395 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
380
396
381 \a angle must be greater than start angle.
397 \a angle must be greater than start angle.
382
398
383 \sa pieEndAngle(), pieStartAngle(), setPieStartAngle()
399 \sa pieEndAngle(), pieStartAngle(), setPieStartAngle()
384 */
400 */
385 void QPieSeries::setPieEndAngle(qreal angle)
401 void QPieSeries::setPieEndAngle(qreal angle)
386 {
402 {
387 if (angle >= 0 && angle <= 360 && angle != m_pieEndAngle && angle >= m_pieStartAngle) {
403 if (angle >= 0 && angle <= 360 && angle != m_pieEndAngle && angle >= m_pieStartAngle) {
388 m_pieEndAngle = angle;
404 m_pieEndAngle = angle;
389 updateDerivativeData();
405 updateDerivativeData();
390 }
406 }
391 }
407 }
392
408
393 /*!
409 /*!
394 Returns the end angle of the pie.
410 Returns the end angle of the pie.
395
411
396 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
412 Full pie is 360 degrees where 0 degrees is at 12 a'clock.
397
413
398 \sa setPieEndAngle(), pieStartAngle(), setPieStartAngle()
414 \sa setPieEndAngle(), pieStartAngle(), setPieStartAngle()
399 */
415 */
400 qreal QPieSeries::pieEndAngle() const
416 qreal QPieSeries::pieEndAngle() const
401 {
417 {
402 return m_pieEndAngle;
418 return m_pieEndAngle;
403 }
419 }
404
420
405 /*!
421 /*!
406 Sets the all the slice labels \a visible or invisible.
422 Sets the all the slice labels \a visible or invisible.
407
423
408 \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible()
424 \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible()
409 */
425 */
410 void QPieSeries::setLabelsVisible(bool visible)
426 void QPieSeries::setLabelsVisible(bool visible)
411 {
427 {
412 foreach (QPieSlice* s, m_slices)
428 foreach (QPieSlice* s, m_slices)
413 s->setLabelVisible(visible);
429 s->setLabelVisible(visible);
414 }
430 }
415
431
416 /*!
432 /*!
417 Returns the sum of all slice values in this series.
433 Returns the sum of all slice values in this series.
418
434
419 \sa QPieSlice::value(), QPieSlice::setValue()
435 \sa QPieSlice::value(), QPieSlice::setValue()
420 */
436 */
421 qreal QPieSeries::total() const
437 qreal QPieSeries::total() const
422 {
438 {
423 return m_total;
439 return m_total;
424 }
440 }
425
441
426 /*!
442 /*!
427 \fn void QPieSeries::changed()
443 \fn void QPieSeries::changed()
428
444
429 This signal emitted when something has changed in the series.
445 This signal emitted when something has changed in the series.
430
446
431 \sa QPieSeries::ChangeSet, QPieSlice::changed()
447 \sa QPieSeries::ChangeSet, QPieSlice::changed()
432 */
448 */
433
449
434 /*!
450 /*!
435 \fn void QPieSeries::clicked(QPieSlice* slice)
451 \fn void QPieSeries::clicked(QPieSlice* slice)
436
452
437 This signal is emitted when a \a slice has been clicked.
453 This signal is emitted when a \a slice has been clicked.
438
454
439 \sa QPieSlice::clicked()
455 \sa QPieSlice::clicked()
440 */
456 */
441
457
442 /*!
458 /*!
443 \fn void QPieSeries::hoverEnter(QPieSlice* slice)
459 \fn void QPieSeries::hoverEnter(QPieSlice* slice)
444
460
445 This signal is emitted when user has hovered over a \a slice.
461 This signal is emitted when user has hovered over a \a slice.
446
462
447 \sa QPieSlice::hoverEnter()
463 \sa QPieSlice::hoverEnter()
448 */
464 */
449
465
450 /*!
466 /*!
451 \fn void QPieSeries::hoverLeave(QPieSlice* slice)
467 \fn void QPieSeries::hoverLeave(QPieSlice* slice)
452
468
453 This signal is emitted when user has hovered away from a \a slice.
469 This signal is emitted when user has hovered away from a \a slice.
454
470
455 \sa QPieSlice::hoverLeave()
471 \sa QPieSlice::hoverLeave()
456 */
472 */
457
473
458 void QPieSeries::sliceChanged()
474 void QPieSeries::sliceChanged()
459 {
475 {
460 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
476 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
461 Q_ASSERT(m_slices.contains(slice));
477 Q_ASSERT(m_slices.contains(slice));
462 updateDerivativeData();
478 updateDerivativeData();
463 }
479 }
464
480
465 void QPieSeries::sliceClicked()
481 void QPieSeries::sliceClicked()
466 {
482 {
467 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
483 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
468 Q_ASSERT(m_slices.contains(slice));
484 Q_ASSERT(m_slices.contains(slice));
469 emit clicked(slice);
485 emit clicked(slice);
470 }
486 }
471
487
472 void QPieSeries::sliceHoverEnter()
488 void QPieSeries::sliceHoverEnter()
473 {
489 {
474 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
490 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
475 Q_ASSERT(m_slices.contains(slice));
491 Q_ASSERT(m_slices.contains(slice));
476 emit hoverEnter(slice);
492 emit hoverEnter(slice);
477 }
493 }
478
494
479 void QPieSeries::sliceHoverLeave()
495 void QPieSeries::sliceHoverLeave()
480 {
496 {
481 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
497 QPieSlice* slice = qobject_cast<QPieSlice *>(sender());
482 Q_ASSERT(m_slices.contains(slice));
498 Q_ASSERT(m_slices.contains(slice));
483 emit hoverLeave(slice);
499 emit hoverLeave(slice);
484 }
500 }
485
501
486 void QPieSeries::updateDerivativeData()
502 void QPieSeries::updateDerivativeData()
487 {
503 {
488 m_total = 0;
504 m_total = 0;
489
505
490 // nothing to do?
506 // nothing to do?
491 if (m_slices.count() == 0)
507 if (m_slices.count() == 0)
492 return;
508 return;
493
509
494 // calculate total
510 // calculate total
495 foreach (QPieSlice* s, m_slices)
511 foreach (QPieSlice* s, m_slices)
496 m_total += s->value();
512 m_total += s->value();
497
513
498 // we must have some values
514 // we must have some values
499 if (m_total == 0) {
515 if (m_total == 0) {
500 qDebug() << "QPieSeries::updateDerivativeData() total == 0";
516 qDebug() << "QPieSeries::updateDerivativeData() total == 0";
501 Q_ASSERT(m_total > 0); // TODO: is this the correct way to handle this?
517 Q_ASSERT(m_total > 0); // TODO: is this the correct way to handle this?
502 }
518 }
503
519
504 // update slice attributes
520 // update slice attributes
505 qreal sliceAngle = m_pieStartAngle;
521 qreal sliceAngle = m_pieStartAngle;
506 qreal pieSpan = m_pieEndAngle - m_pieStartAngle;
522 qreal pieSpan = m_pieEndAngle - m_pieStartAngle;
507 foreach (QPieSlice* s, m_slices) {
523 foreach (QPieSlice* s, m_slices) {
508
524
509 bool changed = false;
525 bool changed = false;
510
526
511 qreal percentage = s->value() / m_total;
527 qreal percentage = s->value() / m_total;
512 if (s->m_percentage != percentage) {
528 if (s->m_percentage != percentage) {
513 s->m_percentage = percentage;
529 s->m_percentage = percentage;
514 changed = true;
530 changed = true;
515 }
531 }
516
532
517 qreal sliceSpan = pieSpan * percentage;
533 qreal sliceSpan = pieSpan * percentage;
518 if (s->m_angleSpan != sliceSpan) {
534 if (s->m_angleSpan != sliceSpan) {
519 s->m_angleSpan = sliceSpan;
535 s->m_angleSpan = sliceSpan;
520 changed = true;
536 changed = true;
521 }
537 }
522
538
523 if (s->m_startAngle != sliceAngle) {
539 if (s->m_startAngle != sliceAngle) {
524 s->m_startAngle = sliceAngle;
540 s->m_startAngle = sliceAngle;
525 changed = true;
541 changed = true;
526 }
542 }
527 sliceAngle += sliceSpan;
543 sliceAngle += sliceSpan;
528
544
529 if (changed)
545 if (changed)
530 emit s->changed();
546 emit s->changed();
531 }
547 }
532 }
548 }
533
549
534 bool QPieSeries::setModel(QAbstractItemModel* model)
550 bool QPieSeries::setModel(QAbstractItemModel* model)
535 {
551 {
536 // disconnect signals from old model
552 // disconnect signals from old model
537 if(m_model)
553 if(m_model)
538 {
554 {
539 disconnect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), 0, 0);
555 disconnect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), 0, 0);
540 disconnect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), 0, 0);
556 disconnect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), 0, 0);
541 disconnect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), 0, 0);
557 disconnect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), 0, 0);
542 }
558 }
543
559
544 // set new model if not NULL and connect necessary signals from it
560 // set new model if not NULL and connect necessary signals from it
545 if(model)
561 if(model)
546 {
562 {
547 m_model = model;
563 m_model = model;
548 connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex, QModelIndex)));
564 connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex, QModelIndex)));
549 connect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), this, SLOT(modelDataAdded(QModelIndex,int,int)));
565 connect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), this, SLOT(modelDataAdded(QModelIndex,int,int)));
550 connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int)));
566 connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int)));
551 }
567 }
552 }
568 }
553
569
554 void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
570 void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
555 {
571 {
556 m_mapValues = modelValuesLine;
572 m_mapValues = modelValuesLine;
557 m_mapLabels = modelLabelsLine;
573 m_mapLabels = modelLabelsLine;
558 m_mapOrientation = orientation;
574 m_mapOrientation = orientation;
559
575
560 if (m_model == NULL)
576 if (m_model == NULL)
561 return;
577 return;
562
578
563 if (m_mapOrientation == Qt::Vertical)
579 if (m_mapOrientation == Qt::Vertical)
564 for (int i = 0; i < m_model->rowCount(); i++)
580 for (int i = 0; i < m_model->rowCount(); i++)
565 add(m_model->data(m_model->index(i, m_mapValues), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(i, m_mapLabels), Qt::DisplayRole).toString());
581 add(m_model->data(m_model->index(i, m_mapValues), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(i, m_mapLabels), Qt::DisplayRole).toString());
566 else
582 else
567 for (int i = 0; i < m_model->columnCount(); i++)
583 for (int i = 0; i < m_model->columnCount(); i++)
568 add(m_model->data(m_model->index(m_mapValues, i), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(m_mapLabels, i), Qt::DisplayRole).toString());
584 add(m_model->data(m_model->index(m_mapValues, i), Qt::DisplayRole).toDouble(), m_model->data(m_model->index(m_mapLabels, i), Qt::DisplayRole).toString());
569
585
570
586
571 }
587 }
572
588
573 void QPieSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
589 void QPieSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
574 {
590 {
575 if (m_mapOrientation == Qt::Vertical)
591 if (m_mapOrientation == Qt::Vertical)
592 {
576 // slices().at(topLeft.row())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble());
593 // slices().at(topLeft.row())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble());
577 if (topLeft.column() == m_mapValues)
594 if (topLeft.column() == m_mapValues)
578 slices().at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
595 slices().at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
579 else if (topLeft.column() == m_mapLabels)
596 else if (topLeft.column() == m_mapLabels)
580 slices().at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
597 slices().at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
581 else
598 }
582 // slices().at(topLeft.column())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble());
599 else
583 if (topLeft.column() == m_mapValues)
600 {
584 slices().at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
601 // slices().at(topLeft.column())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble());
585 else if (topLeft.column() == m_mapLabels)
602 if (topLeft.column() == m_mapValues)
586 slices().at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
603 slices().at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
604 else if (topLeft.column() == m_mapLabels)
605 slices().at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
606 }
587 }
607 }
588
608
589 void QPieSeries::modelDataAdded(QModelIndex parent, int start, int end)
609 void QPieSeries::modelDataAdded(QModelIndex parent, int start, int end)
590 {
610 {
591 //
611 QPieSlice* newSlice = new QPieSlice;
612 newSlice->setLabelVisible(true);
613 if (m_mapOrientation == Qt::Vertical)
614 {
615 newSlice->setValue(m_model->data(m_model->index(start, m_mapValues), Qt::DisplayRole).toDouble());
616 newSlice->setLabel(m_model->data(m_model->index(start, m_mapLabels), Qt::DisplayRole).toString());
617 }
618 else
619 {
620 newSlice->setValue(m_model->data(m_model->index(m_mapValues, start), Qt::DisplayRole).toDouble());
621 newSlice->setLabel(m_model->data(m_model->index(m_mapLabels, start), Qt::DisplayRole).toString());
622 }
623
624 insert(start, newSlice);
592 }
625 }
593
626
594 void QPieSeries::modelDataRemoved(QModelIndex parent, int start, int end)
627 void QPieSeries::modelDataRemoved(QModelIndex parent, int start, int end)
595 {
628 {
596 remove(slices().at(start));
629 remove(slices().at(start));
597 }
630 }
598
631
599 #include "moc_qpieseries.cpp"
632 #include "moc_qpieseries.cpp"
600
633
601 QTCOMMERCIALCHART_END_NAMESPACE
634 QTCOMMERCIALCHART_END_NAMESPACE
Show file before | Show file after | Hide comments
@@ -1,143 +1,144
1 #ifndef PIESERIES_H
1 #ifndef PIESERIES_H
2 #define PIESERIES_H
2 #define PIESERIES_H
3
3
4 #include "qseries.h"
4 #include "qseries.h"
5 #include <QObject>
5 #include <QObject>
6 #include <QRectF>
6 #include <QRectF>
7 #include <QColor>
7 #include <QColor>
8 #include <QPen>
8 #include <QPen>
9 #include <QBrush>
9 #include <QBrush>
10 #include <QSignalMapper>
10 #include <QSignalMapper>
11
11
12 class QGraphicsObject;
12 class QGraphicsObject;
13 QTCOMMERCIALCHART_BEGIN_NAMESPACE
13 QTCOMMERCIALCHART_BEGIN_NAMESPACE
14 class PieChartItem;
14 class PieChartItem;
15 class PieSlice;
15 class PieSlice;
16 class QPieSlice;
16 class QPieSlice;
17
17
18 class QTCOMMERCIALCHART_EXPORT QPieSeries : public QSeries
18 class QTCOMMERCIALCHART_EXPORT QPieSeries : public QSeries
19 {
19 {
20 Q_OBJECT
20 Q_OBJECT
21
21
22 public:
22 public:
23
23
24 class ChangeSet
24 class ChangeSet
25 {
25 {
26 public:
26 public:
27
27
28 // TODO: these should not really be exposed to the public API
28 // TODO: these should not really be exposed to the public API
29 void appendAdded(QPieSlice* slice);
29 void appendAdded(QPieSlice* slice);
30 void appendAdded(QList<QPieSlice*> slices);
30 void appendAdded(QList<QPieSlice*> slices);
31 void appendChanged(QPieSlice* slice);
31 void appendChanged(QPieSlice* slice);
32 void appendRemoved(QPieSlice* slice);
32 void appendRemoved(QPieSlice* slice);
33
33
34 QList<QPieSlice*> added() const;
34 QList<QPieSlice*> added() const;
35 QList<QPieSlice*> changed() const;
35 QList<QPieSlice*> changed() const;
36 QList<QPieSlice*> removed() const;
36 QList<QPieSlice*> removed() const;
37
37
38 bool isEmpty() const;
38 bool isEmpty() const;
39
39
40 private:
40 private:
41 QList<QPieSlice*> m_added;
41 QList<QPieSlice*> m_added;
42 QList<QPieSlice*> m_changed;
42 QList<QPieSlice*> m_changed;
43 QList<QPieSlice*> m_removed;
43 QList<QPieSlice*> m_removed;
44 };
44 };
45
45
46 public:
46 public:
47 QPieSeries(QObject *parent = 0);
47 QPieSeries(QObject *parent = 0);
48 virtual ~QPieSeries();
48 virtual ~QPieSeries();
49
49
50 public: // from QChartSeries
50 public: // from QChartSeries
51 QSeriesType type() const;
51 QSeriesType type() const;
52
52
53 public:
53 public:
54
54
55 // slice setters
55 // slice setters
56 void add(QPieSlice* slice);
56 void add(QPieSlice* slice);
57 void add(QList<QPieSlice*> slices);
57 void add(QList<QPieSlice*> slices);
58 void insert(int i, QPieSlice* slice);
58 void replace(QList<QPieSlice*> slices);
59 void replace(QList<QPieSlice*> slices);
59 void remove(QPieSlice* slice);
60 void remove(QPieSlice* slice);
60 void clear();
61 void clear();
61
62
62 // sluce getters
63 // sluce getters
63 QList<QPieSlice*> slices() const;
64 QList<QPieSlice*> slices() const;
64
65
65 // calculated data
66 // calculated data
66 int count() const;
67 int count() const;
67 qreal total() const;
68 qreal total() const;
68
69
69 // pie customization
70 // pie customization
70 void setPiePosition(qreal relativeHorizontalPosition, qreal relativeVerticalPosition);
71 void setPiePosition(qreal relativeHorizontalPosition, qreal relativeVerticalPosition);
71 qreal pieHorizontalPosition() const;
72 qreal pieHorizontalPosition() const;
72 qreal pieVerticalPosition() const;
73 qreal pieVerticalPosition() const;
73 void setPieSize(qreal relativeSize);
74 void setPieSize(qreal relativeSize);
74 qreal pieSize() const;
75 qreal pieSize() const;
75 void setPieStartAngle(qreal startAngle);
76 void setPieStartAngle(qreal startAngle);
76 qreal pieStartAngle() const;
77 qreal pieStartAngle() const;
77 void setPieEndAngle(qreal endAngle);
78 void setPieEndAngle(qreal endAngle);
78 qreal pieEndAngle() const;
79 qreal pieEndAngle() const;
79
80
80 // convenience function
81 // convenience function
81 QPieSeries& operator << (QPieSlice* slice);
82 QPieSeries& operator << (QPieSlice* slice);
82 QPieSlice* add(qreal value, QString name);
83 QPieSlice* add(qreal value, QString name);
83 void setLabelsVisible(bool visible = true);
84 void setLabelsVisible(bool visible = true);
84
85
85 // data from model
86 // data from model
86 bool setModel(QAbstractItemModel* model);
87 bool setModel(QAbstractItemModel* model);
87 void setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation = Qt::Vertical);
88 void setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation = Qt::Vertical);
88
89
89 // TODO: find slices?
90 // TODO: find slices?
90 // QList<QPieSlice*> findByValue(qreal value);
91 // QList<QPieSlice*> findByValue(qreal value);
91 // ...
92 // ...
92
93
93 // TODO: sorting slices?
94 // TODO: sorting slices?
94 // void sort(QPieSeries::SortByValue|label|??)
95 // void sort(QPieSeries::SortByValue|label|??)
95
96
96 // TODO: general graphics customization
97 // TODO: general graphics customization
97 // setDrawStyle(2d|3d)
98 // setDrawStyle(2d|3d)
98 // setDropShadows
99 // setDropShadows
99
100
100 Q_SIGNALS:
101 Q_SIGNALS:
101 void clicked(QPieSlice* slice);
102 void clicked(QPieSlice* slice);
102 void hoverEnter(QPieSlice* slice);
103 void hoverEnter(QPieSlice* slice);
103 void hoverLeave(QPieSlice* slice);
104 void hoverLeave(QPieSlice* slice);
104 void changed(); // TODO: hide this in PIMPL
105 void changed(); // TODO: hide this in PIMPL
105
106
106 private Q_SLOTS: // TODO: should be private and not visible in the interface at all
107 private Q_SLOTS: // TODO: should be private and not visible in the interface at all
107 void sliceChanged();
108 void sliceChanged();
108 void sliceClicked();
109 void sliceClicked();
109 void sliceHoverEnter();
110 void sliceHoverEnter();
110 void sliceHoverLeave();
111 void sliceHoverLeave();
111
112
112 // slots for updating pie when data in model changes
113 // slots for updating pie when data in model changes
113 void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight);
114 void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight);
114 void modelDataAdded(QModelIndex parent, int start, int end);
115 void modelDataAdded(QModelIndex parent, int start, int end);
115 void modelDataRemoved(QModelIndex parent, int start, int end);
116 void modelDataRemoved(QModelIndex parent, int start, int end);
116
117
117 private:
118 private:
118 void updateDerivativeData();
119 void updateDerivativeData();
119
120
120 private:
121 private:
121 Q_DISABLE_COPY(QPieSeries)
122 Q_DISABLE_COPY(QPieSeries)
122
123
123 // TODO: use PIML
124 // TODO: use PIML
124 friend class PieChartItem;
125 friend class PieChartItem;
125 friend class PieSlice;
126 friend class PieSlice;
126
127
127 QList<QPieSlice*> m_slices;
128 QList<QPieSlice*> m_slices;
128 qreal m_pieRelativeHorPos;
129 qreal m_pieRelativeHorPos;
129 qreal m_pieRelativeVerPos;
130 qreal m_pieRelativeVerPos;
130 qreal m_pieRelativeSize;
131 qreal m_pieRelativeSize;
131 qreal m_pieStartAngle;
132 qreal m_pieStartAngle;
132 qreal m_pieEndAngle;
133 qreal m_pieEndAngle;
133 qreal m_total;
134 qreal m_total;
134
135
135 // model map
136 // model map
136 int m_mapValues;
137 int m_mapValues;
137 int m_mapLabels;
138 int m_mapLabels;
138 Qt::Orientation m_mapOrientation;
139 Qt::Orientation m_mapOrientation;
139 };
140 };
140
141
141 QTCOMMERCIALCHART_END_NAMESPACE
142 QTCOMMERCIALCHART_END_NAMESPACE
142
143
143 #endif // PIESERIES_H
144 #endif // PIESERIES_H
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