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1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2013 Digia Plc
3 ** Copyright (C) 2013 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 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "qabstractbarseries.h"
21 #include "qabstractbarseries.h"
22 #include "qabstractbarseries_p.h"
22 #include "qabstractbarseries_p.h"
23 #include "qbarset.h"
23 #include "qbarset.h"
24 #include "qbarset_p.h"
24 #include "qbarset_p.h"
25 #include "abstractdomain_p.h"
25 #include "abstractdomain_p.h"
26 #include "chartdataset_p.h"
26 #include "chartdataset_p.h"
27 #include "charttheme_p.h"
27 #include "charttheme_p.h"
28 #include "qvalueaxis.h"
28 #include "qvalueaxis.h"
29 #include "qbarcategoryaxis.h"
29 #include "qbarcategoryaxis.h"
30 #include "qbarlegendmarker.h"
30 #include "qbarlegendmarker.h"
31 #include "baranimation_p.h"
31 #include "baranimation_p.h"
32 #include "abstractbarchartitem_p.h"
32 #include "abstractbarchartitem_p.h"
33
33
34 QTCOMMERCIALCHART_BEGIN_NAMESPACE
34 QTCOMMERCIALCHART_BEGIN_NAMESPACE
35
35
36 /*!
36 /*!
37 \class QAbstractBarSeries
37 \class QAbstractBarSeries
38 \brief Series for creating a bar chart
38 \brief Series for creating a bar chart
39 \mainclass
39 \mainclass
40
40
41 QAbstractBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars to
41 QAbstractBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars to
42 the position defined by data. Single bar is defined by QPointF, where x value is the x-coordinate of the bar
42 the position defined by data. Single bar is defined by QPointF, where x value is the x-coordinate of the bar
43 and y-value is the height of the bar. The category names are ignored with this series and x-axis
43 and y-value is the height of the bar. The category names are ignored with this series and x-axis
44 shows the x-values.
44 shows the x-values.
45
45
46 See the \l {BarChart Example} {bar chart example} to learn how to create a simple bar chart.
46 See the \l {BarChart Example} {bar chart example} to learn how to create a simple bar chart.
47 \image examples_barchart.png
47 \image examples_barchart.png
48
48
49 \sa QBarSet, QStackedBarSeries, QPercentBarSeries
49 \sa QBarSet, QStackedBarSeries, QPercentBarSeries
50 */
50 */
51 /*!
51 /*!
52 \qmlclass AbstractBarSeries QAbstractBarSeries
52 \qmlclass AbstractBarSeries QAbstractBarSeries
53 \inherits QAbstractSeries
53 \inherits QAbstractSeries
54
54
55 The following QML shows how to create a simple bar chart:
55 The following QML shows how to create a simple bar chart:
56 \snippet ../demos/qmlchart/qml/qmlchart/View6.qml 1
56 \snippet ../demos/qmlchart/qml/qmlchart/View6.qml 1
57
57
58 \beginfloatleft
58 \beginfloatleft
59 \image demos_qmlchart6.png
59 \image demos_qmlchart6.png
60 \endfloat
60 \endfloat
61 \clearfloat
61 \clearfloat
62 */
62 */
63
63
64 /*!
64 /*!
65 \qmlproperty AbstractAxis AbstractBarSeries::axisX
65 \qmlproperty AbstractAxis AbstractBarSeries::axisX
66 The x axis used for the series. If you leave both axisX and axisXTop undefined, a BarCategoriesAxis is created for
66 The x axis used for the series. If you leave both axisX and axisXTop undefined, a BarCategoriesAxis is created for
67 the series.
67 the series.
68 \sa axisXTop
68 \sa axisXTop
69 */
69 */
70
70
71 /*!
71 /*!
72 \qmlproperty AbstractAxis AbstractBarSeries::axisY
72 \qmlproperty AbstractAxis AbstractBarSeries::axisY
73 The y axis used for the series. If you leave both axisY and axisYRight undefined, a ValueAxis is created for
73 The y axis used for the series. If you leave both axisY and axisYRight undefined, a ValueAxis is created for
74 the series.
74 the series.
75 \sa axisYRight
75 \sa axisYRight
76 */
76 */
77
77
78 /*!
78 /*!
79 \qmlproperty AbstractAxis AbstractBarSeries::axisXTop
79 \qmlproperty AbstractAxis AbstractBarSeries::axisXTop
80 The x axis used for the series, drawn on top of the chart view. Note that you can only provide either axisX or
80 The x axis used for the series, drawn on top of the chart view. Note that you can only provide either axisX or
81 axisXTop, but not both.
81 axisXTop, but not both.
82 \sa axisX
82 \sa axisX
83 */
83 */
84
84
85 /*!
85 /*!
86 \qmlproperty AbstractAxis AbstractBarSeries::axisYRight
86 \qmlproperty AbstractAxis AbstractBarSeries::axisYRight
87 The y axis used for the series, drawn to the right on the chart view. Note that you can only provide either axisY
87 The y axis used for the series, drawn to the right on the chart view. Note that you can only provide either axisY
88 or axisYRight, but not both.
88 or axisYRight, but not both.
89 \sa axisY
89 \sa axisY
90 */
90 */
91
91
92 /*!
92 /*!
93 \property QAbstractBarSeries::barWidth
93 \property QAbstractBarSeries::barWidth
94 The width of the bars of the series. The unit of \a width is the unit of x-axis. The minimum width for bars
94 The width of the bars of the series. The unit of \a width is the unit of x-axis. The minimum width for bars
95 is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen
95 is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen
96 is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis.
96 is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis.
97 Note that with QBarSeries this value means the width of one group of bars instead of just one bar.
97 Note that with QBarSeries this value means the width of one group of bars instead of just one bar.
98 \sa QBarSeries
98 \sa QBarSeries
99 */
99 */
100 /*!
100 /*!
101 \qmlproperty real AbstractBarSeries::barWidth
101 \qmlproperty real AbstractBarSeries::barWidth
102 The width of the bars of the series. The unit of width is the unit of x-axis. The minimum width for bars
102 The width of the bars of the series. The unit of width is the unit of x-axis. The minimum width for bars
103 is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen
103 is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen
104 is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis.
104 is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis.
105 Note that with QBarSeries this value means the width of one group of bars instead of just one bar.
105 Note that with QBarSeries this value means the width of one group of bars instead of just one bar.
106 */
106 */
107
107
108 /*!
108 /*!
109 \property QAbstractBarSeries::count
109 \property QAbstractBarSeries::count
110 Holds the number of sets in series.
110 Holds the number of sets in series.
111 */
111 */
112 /*!
112 /*!
113 \qmlproperty int AbstractBarSeries::count
113 \qmlproperty int AbstractBarSeries::count
114 Holds the number of sets in series.
114 Holds the number of sets in series.
115 */
115 */
116
116
117 /*!
117 /*!
118 \property QAbstractBarSeries::labelsVisible
118 \property QAbstractBarSeries::labelsVisible
119 Defines the visibility of the labels in series
119 Defines the visibility of the labels in series
120 */
120 */
121 /*!
121 /*!
122 \qmlproperty bool AbstractBarSeries::labelsVisible
122 \qmlproperty bool AbstractBarSeries::labelsVisible
123 Defines the visibility of the labels in series
123 Defines the visibility of the labels in series
124 */
124 */
125
125
126 /*!
126 /*!
127 \fn void QAbstractBarSeries::clicked(int index, QBarSet *barset)
127 \fn void QAbstractBarSeries::clicked(int index, QBarSet *barset)
128 The signal is emitted if the user clicks with a mouse on top of QBarSet \a barset.
128 The signal is emitted if the user clicks with a mouse on top of QBarSet \a barset.
129 Clicked bar inside set is indexed by \a index
129 Clicked bar inside set is indexed by \a index
130 */
130 */
131 /*!
131 /*!
132 \qmlsignal AbstractBarSeries::onClicked(int index, BarSet barset)
132 \qmlsignal AbstractBarSeries::onClicked(int index, BarSet barset)
133 The signal is emitted if the user clicks with a mouse on top of BarSet.
133 The signal is emitted if the user clicks with a mouse on top of BarSet.
134 Clicked bar inside set is indexed by \a index
134 Clicked bar inside set is indexed by \a index
135 */
135 */
136
136
137 /*!
137 /*!
138 \fn void QAbstractBarSeries::hovered(bool status, QBarSet* barset)
138 \fn void QAbstractBarSeries::hovered(bool status, QBarSet* barset)
139
139
140 The signal is emitted if mouse is hovered on top of series.
140 The signal is emitted if mouse is hovered on top of series.
141 Parameter \a barset is the pointer of barset, where hover happened.
141 Parameter \a barset is the pointer of barset, where hover happened.
142 Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series.
142 Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series.
143 */
143 */
144 /*!
144 /*!
145 \qmlsignal AbstractBarSeries::onHovered(bool status, BarSet barset)
145 \qmlsignal AbstractBarSeries::onHovered(bool status, BarSet barset)
146
146
147 The signal is emitted if mouse is hovered on top of series.
147 The signal is emitted if mouse is hovered on top of series.
148 Parameter \a barset is the pointer of barset, where hover happened.
148 Parameter \a barset is the pointer of barset, where hover happened.
149 Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series.
149 Parameter \a status is true, if mouse entered on top of series, false if mouse left from top of series.
150 */
150 */
151
151
152 /*!
152 /*!
153 \fn void QAbstractBarSeries::countChanged()
153 \fn void QAbstractBarSeries::countChanged()
154 This signal is emitted when barset count has been changed, for example by append or remove.
154 This signal is emitted when barset count has been changed, for example by append or remove.
155 */
155 */
156 /*!
156 /*!
157 \qmlsignal AbstractBarSeries::onCountChanged()
157 \qmlsignal AbstractBarSeries::onCountChanged()
158 This signal is emitted when barset count has been changed, for example by append or remove.
158 This signal is emitted when barset count has been changed, for example by append or remove.
159 */
159 */
160
160
161 /*!
161 /*!
162 \fn void QAbstractBarSeries::labelsVisibleChanged()
162 \fn void QAbstractBarSeries::labelsVisibleChanged()
163 This signal is emitted when labels visibility have changed.
163 This signal is emitted when labels visibility have changed.
164 \sa isLabelsVisible(), setLabelsVisible()
164 \sa isLabelsVisible(), setLabelsVisible()
165 */
165 */
166
166
167 /*!
167 /*!
168 \fn void QAbstractBarSeries::barsetsAdded(QList<QBarSet*> sets)
168 \fn void QAbstractBarSeries::barsetsAdded(QList<QBarSet*> sets)
169 This signal is emitted when \a sets have been added to the series.
169 This signal is emitted when \a sets have been added to the series.
170 \sa append(), insert()
170 \sa append(), insert()
171 */
171 */
172 /*!
172 /*!
173 \qmlsignal AbstractBarSeries::onBarsetsAdded(BarSet barset)
173 \qmlsignal AbstractBarSeries::onBarsetsAdded(BarSet barset)
174 Emitted when \a barset has been added to the series.
174 Emitted when \a barset has been added to the series.
175 */
175 */
176
176
177 /*!
177 /*!
178 \fn void QAbstractBarSeries::barsetsRemoved(QList<QBarSet*> sets)
178 \fn void QAbstractBarSeries::barsetsRemoved(QList<QBarSet*> sets)
179 This signal is emitted when \a sets have been removed from the series.
179 This signal is emitted when \a sets have been removed from the series.
180 \sa remove()
180 \sa remove()
181 */
181 */
182 /*!
182 /*!
183 \qmlsignal AbstractBarSeries::onBarsetsRemoved(BarSet barset)
183 \qmlsignal AbstractBarSeries::onBarsetsRemoved(BarSet barset)
184 Emitted when \a barset has been removed from the series.
184 Emitted when \a barset has been removed from the series.
185 */
185 */
186
186
187 /*!
187 /*!
188 \qmlmethod BarSet AbstractBarSeries::at(int index)
188 \qmlmethod BarSet AbstractBarSeries::at(int index)
189 Returns bar set at \a index. Returns null if the index is not valid.
189 Returns bar set at \a index. Returns null if the index is not valid.
190 */
190 */
191
191
192 /*!
192 /*!
193 \qmlmethod BarSet AbstractBarSeries::append(string label, VariantList values)
193 \qmlmethod BarSet AbstractBarSeries::append(string label, VariantList values)
194 Adds a new bar set with \a label and \a values to \a index. Values is a list of reals.
194 Adds a new bar set with \a label and \a values to \a index. Values is a list of reals.
195 For example:
195 For example:
196 \code
196 \code
197 myBarSeries.append("set 1", [0, 0.2, 0.2, 0.5, 0.4, 1.5, 0.9]);
197 myBarSeries.append("set 1", [0, 0.2, 0.2, 0.5, 0.4, 1.5, 0.9]);
198 \endcode
198 \endcode
199 */
199 */
200
200
201 /*!
201 /*!
202 \qmlmethod BarSet AbstractBarSeries::insert(int index, string label, VariantList values)
202 \qmlmethod BarSet AbstractBarSeries::insert(int index, string label, VariantList values)
203 Inserts a new bar set with \a label and \a values to \a index. Values can be a list of reals or a list of XYPoints.
203 Inserts a new bar set with \a label and \a values to \a index. Values can be a list of reals or a list of XYPoints.
204 If index is zero or smaller, the new barset is prepended. If the index is count or bigger, the new barset is
204 If index is zero or smaller, the new barset is prepended. If the index is count or bigger, the new barset is
205 appended.
205 appended.
206 \sa AbstractBarSeries::append()
206 \sa AbstractBarSeries::append()
207 */
207 */
208
208
209 /*!
209 /*!
210 \qmlmethod bool AbstractBarSeries::remove(BarSet barset)
210 \qmlmethod bool AbstractBarSeries::remove(BarSet barset)
211 Removes the barset from the series. Returns true if successful, false otherwise.
211 Removes the barset from the series. Returns true if successful, false otherwise.
212 */
212 */
213
213
214 /*!
214 /*!
215 \qmlmethod AbstractBarSeries::clear()
215 \qmlmethod AbstractBarSeries::clear()
216 Removes all barsets from the series.
216 Removes all barsets from the series.
217 */
217 */
218
218
219 /*!
219 /*!
220 Destructs abstractbarseries and owned barsets.
220 Destructs abstractbarseries and owned barsets.
221 */
221 */
222 QAbstractBarSeries::~QAbstractBarSeries()
222 QAbstractBarSeries::~QAbstractBarSeries()
223 {
223 {
224
224
225 }
225 }
226
226
227 /*!
227 /*!
228 \internal
228 \internal
229 */
229 */
230 QAbstractBarSeries::QAbstractBarSeries(QAbstractBarSeriesPrivate &o, QObject *parent)
230 QAbstractBarSeries::QAbstractBarSeries(QAbstractBarSeriesPrivate &o, QObject *parent)
231 : QAbstractSeries(o, parent)
231 : QAbstractSeries(o, parent)
232 {
232 {
233 Q_D(QAbstractSeries);
233 Q_D(QAbstractSeries);
234 QObject::connect(this, SIGNAL(countChanged()), d, SIGNAL(countChanged()));
234 QObject::connect(this, SIGNAL(countChanged()), d, SIGNAL(countChanged()));
235 }
235 }
236
236
237 /*!
237 /*!
238 Sets the width of the bars of the series. The unit of \a width is the unit of x-axis. The minimum width for bars
238 Sets the width of the bars of the series. The unit of \a width is the unit of x-axis. The minimum width for bars
239 is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen
239 is zero and negative values are treated as zero. Setting the width to zero means that width of the bar on screen
240 is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis.
240 is one pixel no matter what the scale of x-axis is. Bars wider than zero are scaled with x-axis.
241 Note that with \link QBarSeries \endlink this value means the width of one group of bars instead of just one bar.
241 Note that with \link QBarSeries \endlink this value means the width of one group of bars instead of just one bar.
242 */
242 */
243 void QAbstractBarSeries::setBarWidth(qreal width)
243 void QAbstractBarSeries::setBarWidth(qreal width)
244 {
244 {
245 Q_D(QAbstractBarSeries);
245 Q_D(QAbstractBarSeries);
246 d->setBarWidth(width);
246 d->setBarWidth(width);
247 }
247 }
248
248
249 /*!
249 /*!
250 Returns the width of the bars of the series.
250 Returns the width of the bars of the series.
251 \sa setBarWidth()
251 \sa setBarWidth()
252 */
252 */
253 qreal QAbstractBarSeries::barWidth() const
253 qreal QAbstractBarSeries::barWidth() const
254 {
254 {
255 Q_D(const QAbstractBarSeries);
255 Q_D(const QAbstractBarSeries);
256 return d->barWidth();
256 return d->barWidth();
257 }
257 }
258
258
259 /*!
259 /*!
260 Adds a set of bars to series. Takes ownership of \a set. If the set is null or is already in series, it won't be appended.
260 Adds a set of bars to series. Takes ownership of \a set. If the set is null or is already in series, it won't be appended.
261 Returns true, if appending succeeded.
261 Returns true, if appending succeeded.
262 */
262 */
263 bool QAbstractBarSeries::append(QBarSet *set)
263 bool QAbstractBarSeries::append(QBarSet *set)
264 {
264 {
265 Q_D(QAbstractBarSeries);
265 Q_D(QAbstractBarSeries);
266 bool success = d->append(set);
266 bool success = d->append(set);
267 if (success) {
267 if (success) {
268 QList<QBarSet *> sets;
268 QList<QBarSet *> sets;
269 sets.append(set);
269 sets.append(set);
270 set->setParent(this);
270 set->setParent(this);
271 emit barsetsAdded(sets);
271 emit barsetsAdded(sets);
272 emit countChanged();
272 emit countChanged();
273 }
273 }
274 return success;
274 return success;
275 }
275 }
276
276
277 /*!
277 /*!
278 Removes barset from series. Releases ownership of \a set. Deletes the set, if remove
278 Removes barset from series. Releases ownership of \a set. Deletes the set, if remove
279 was successful.
279 was successful.
280 Returns true, if set was removed.
280 Returns true, if set was removed.
281 */
281 */
282 bool QAbstractBarSeries::remove(QBarSet *set)
282 bool QAbstractBarSeries::remove(QBarSet *set)
283 {
283 {
284 Q_D(QAbstractBarSeries);
284 Q_D(QAbstractBarSeries);
285 bool success = d->remove(set);
285 bool success = d->remove(set);
286 if (success) {
286 if (success) {
287 QList<QBarSet *> sets;
287 QList<QBarSet *> sets;
288 sets.append(set);
288 sets.append(set);
289 set->setParent(0);
289 set->setParent(0);
290 emit barsetsRemoved(sets);
290 emit barsetsRemoved(sets);
291 emit countChanged();
291 emit countChanged();
292 delete set;
292 delete set;
293 set = 0;
293 set = 0;
294 }
294 }
295 return success;
295 return success;
296 }
296 }
297
297
298 /*!
298 /*!
299 Takes a single \a set from the series. Does not delete the barset object.
299 Takes a single \a set from the series. Does not delete the barset object.
300
300
301 NOTE: The series remains as the barset's parent object. You must set the
301 NOTE: The series remains as the barset's parent object. You must set the
302 parent object to take full ownership.
302 parent object to take full ownership.
303
303
304 Returns true if take was successful.
304 Returns true if take was successful.
305 */
305 */
306 bool QAbstractBarSeries::take(QBarSet *set)
306 bool QAbstractBarSeries::take(QBarSet *set)
307 {
307 {
308 Q_D(QAbstractBarSeries);
308 Q_D(QAbstractBarSeries);
309 bool success = d->remove(set);
309 bool success = d->remove(set);
310 if (success) {
310 if (success) {
311 QList<QBarSet *> sets;
311 QList<QBarSet *> sets;
312 sets.append(set);
312 sets.append(set);
313 emit barsetsRemoved(sets);
313 emit barsetsRemoved(sets);
314 emit countChanged();
314 emit countChanged();
315 }
315 }
316 return success;
316 return success;
317 }
317 }
318
318
319 /*!
319 /*!
320 Adds a list of barsets to series. Takes ownership of \a sets.
320 Adds a list of barsets to series. Takes ownership of \a sets.
321 Returns true, if all sets were appended successfully. If any of the sets is null or is already appended to series,
321 Returns true, if all sets were appended successfully. If any of the sets is null or is already appended to series,
322 nothing is appended and function returns false. If any of the sets is in list more than once, nothing is appended
322 nothing is appended and function returns false. If any of the sets is in list more than once, nothing is appended
323 and function returns false.
323 and function returns false.
324 */
324 */
325 bool QAbstractBarSeries::append(QList<QBarSet *> sets)
325 bool QAbstractBarSeries::append(QList<QBarSet *> sets)
326 {
326 {
327 Q_D(QAbstractBarSeries);
327 Q_D(QAbstractBarSeries);
328 bool success = d->append(sets);
328 bool success = d->append(sets);
329 if (success) {
329 if (success) {
330 emit barsetsAdded(sets);
330 emit barsetsAdded(sets);
331 emit countChanged();
331 emit countChanged();
332 }
332 }
333 return success;
333 return success;
334 }
334 }
335
335
336 /*!
336 /*!
337 Insert a set of bars to series at \a index postion. Takes ownership of \a set. If the set is null or is already in series, it won't be appended.
337 Insert a set of bars to series at \a index postion. Takes ownership of \a set. If the set is null or is already in series, it won't be appended.
338 Returns true, if inserting succeeded.
338 Returns true, if inserting succeeded.
339
339
340 */
340 */
341 bool QAbstractBarSeries::insert(int index, QBarSet *set)
341 bool QAbstractBarSeries::insert(int index, QBarSet *set)
342 {
342 {
343 Q_D(QAbstractBarSeries);
343 Q_D(QAbstractBarSeries);
344 bool success = d->insert(index, set);
344 bool success = d->insert(index, set);
345 if (success) {
345 if (success) {
346 QList<QBarSet *> sets;
346 QList<QBarSet *> sets;
347 sets.append(set);
347 sets.append(set);
348 emit barsetsAdded(sets);
348 emit barsetsAdded(sets);
349 emit countChanged();
349 emit countChanged();
350 }
350 }
351 return success;
351 return success;
352 }
352 }
353
353
354 /*!
354 /*!
355 Removes all barsets from the series. Deletes removed sets.
355 Removes all barsets from the series. Deletes removed sets.
356 */
356 */
357 void QAbstractBarSeries::clear()
357 void QAbstractBarSeries::clear()
358 {
358 {
359 Q_D(QAbstractBarSeries);
359 Q_D(QAbstractBarSeries);
360 QList<QBarSet *> sets = barSets();
360 QList<QBarSet *> sets = barSets();
361 bool success = d->remove(sets);
361 bool success = d->remove(sets);
362 if (success) {
362 if (success) {
363 emit barsetsRemoved(sets);
363 emit barsetsRemoved(sets);
364 emit countChanged();
364 emit countChanged();
365 foreach (QBarSet *set, sets)
365 foreach (QBarSet *set, sets)
366 delete set;
366 delete set;
367 }
367 }
368 }
368 }
369
369
370 /*!
370 /*!
371 Returns number of sets in series.
371 Returns number of sets in series.
372 */
372 */
373 int QAbstractBarSeries::count() const
373 int QAbstractBarSeries::count() const
374 {
374 {
375 Q_D(const QAbstractBarSeries);
375 Q_D(const QAbstractBarSeries);
376 return d->m_barSets.count();
376 return d->m_barSets.count();
377 }
377 }
378
378
379 /*!
379 /*!
380 Returns a list of sets in series. Keeps ownership of sets.
380 Returns a list of sets in series. Keeps ownership of sets.
381 */
381 */
382 QList<QBarSet *> QAbstractBarSeries::barSets() const
382 QList<QBarSet *> QAbstractBarSeries::barSets() const
383 {
383 {
384 Q_D(const QAbstractBarSeries);
384 Q_D(const QAbstractBarSeries);
385 return d->m_barSets;
385 return d->m_barSets;
386 }
386 }
387
387
388 /*!
388 /*!
389 Sets the visibility of labels in series to \a visible
389 Sets the visibility of labels in series to \a visible
390 */
390 */
391 void QAbstractBarSeries::setLabelsVisible(bool visible)
391 void QAbstractBarSeries::setLabelsVisible(bool visible)
392 {
392 {
393 Q_D(QAbstractBarSeries);
393 Q_D(QAbstractBarSeries);
394 if (d->m_labelsVisible != visible) {
394 if (d->m_labelsVisible != visible) {
395 d->setLabelsVisible(visible);
395 d->setLabelsVisible(visible);
396 emit labelsVisibleChanged();
396 emit labelsVisibleChanged();
397 }
397 }
398 }
398 }
399
399
400 /*!
400 /*!
401 Returns the visibility of labels
401 Returns the visibility of labels
402 */
402 */
403 bool QAbstractBarSeries::isLabelsVisible() const
403 bool QAbstractBarSeries::isLabelsVisible() const
404 {
404 {
405 Q_D(const QAbstractBarSeries);
405 Q_D(const QAbstractBarSeries);
406 return d->m_labelsVisible;
406 return d->m_labelsVisible;
407 }
407 }
408
408
409 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
409 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
410
410
411 QAbstractBarSeriesPrivate::QAbstractBarSeriesPrivate(QAbstractBarSeries *q) :
411 QAbstractBarSeriesPrivate::QAbstractBarSeriesPrivate(QAbstractBarSeries *q) :
412 QAbstractSeriesPrivate(q),
412 QAbstractSeriesPrivate(q),
413 m_barWidth(0.5), // Default value is 50% of category width
413 m_barWidth(0.5), // Default value is 50% of category width
414 m_labelsVisible(false),
414 m_labelsVisible(false),
415 m_visible(true)
415 m_visible(true)
416 {
416 {
417 }
417 }
418
418
419 int QAbstractBarSeriesPrivate::categoryCount() const
419 int QAbstractBarSeriesPrivate::categoryCount() const
420 {
420 {
421 // No categories defined. return count of longest set.
421 // No categories defined. return count of longest set.
422 int count = 0;
422 int count = 0;
423 for (int i = 0; i < m_barSets.count(); i++) {
423 for (int i = 0; i < m_barSets.count(); i++) {
424 if (m_barSets.at(i)->count() > count)
424 if (m_barSets.at(i)->count() > count)
425 count = m_barSets.at(i)->count();
425 count = m_barSets.at(i)->count();
426 }
426 }
427
427
428 return count;
428 return count;
429 }
429 }
430
430
431 void QAbstractBarSeriesPrivate::setBarWidth(qreal width)
431 void QAbstractBarSeriesPrivate::setBarWidth(qreal width)
432 {
432 {
433 if (width < 0.0)
433 if (width < 0.0)
434 width = 0.0;
434 width = 0.0;
435 m_barWidth = width;
435 m_barWidth = width;
436 emit updatedLayout();
436 emit updatedLayout();
437 }
437 }
438
438
439 qreal QAbstractBarSeriesPrivate::barWidth() const
439 qreal QAbstractBarSeriesPrivate::barWidth() const
440 {
440 {
441 return m_barWidth;
441 return m_barWidth;
442 }
442 }
443
443
444 QBarSet *QAbstractBarSeriesPrivate::barsetAt(int index)
444 QBarSet *QAbstractBarSeriesPrivate::barsetAt(int index)
445 {
445 {
446 return m_barSets.at(index);
446 return m_barSets.at(index);
447 }
447 }
448
448
449 void QAbstractBarSeriesPrivate::setVisible(bool visible)
449 void QAbstractBarSeriesPrivate::setVisible(bool visible)
450 {
450 {
451 m_visible = visible;
451 m_visible = visible;
452 emit visibleChanged();
452 emit visibleChanged();
453 }
453 }
454
454
455 void QAbstractBarSeriesPrivate::setLabelsVisible(bool visible)
455 void QAbstractBarSeriesPrivate::setLabelsVisible(bool visible)
456 {
456 {
457 m_labelsVisible = visible;
457 m_labelsVisible = visible;
458 emit labelsVisibleChanged(visible);
458 emit labelsVisibleChanged(visible);
459 }
459 }
460
460
461 qreal QAbstractBarSeriesPrivate::min()
461 qreal QAbstractBarSeriesPrivate::min()
462 {
462 {
463 if (m_barSets.count() <= 0)
463 if (m_barSets.count() <= 0)
464 return 0;
464 return 0;
465
465
466 qreal min = INT_MAX;
466 qreal min = INT_MAX;
467
467
468 for (int i = 0; i < m_barSets.count(); i++) {
468 for (int i = 0; i < m_barSets.count(); i++) {
469 int categoryCount = m_barSets.at(i)->count();
469 int categoryCount = m_barSets.at(i)->count();
470 for (int j = 0; j < categoryCount; j++) {
470 for (int j = 0; j < categoryCount; j++) {
471 qreal temp = m_barSets.at(i)->at(j);
471 qreal temp = m_barSets.at(i)->at(j);
472 if (temp < min)
472 if (temp < min)
473 min = temp;
473 min = temp;
474 }
474 }
475 }
475 }
476 return min;
476 return min;
477 }
477 }
478
478
479 qreal QAbstractBarSeriesPrivate::max()
479 qreal QAbstractBarSeriesPrivate::max()
480 {
480 {
481 if (m_barSets.count() <= 0)
481 if (m_barSets.count() <= 0)
482 return 0;
482 return 0;
483
483
484 qreal max = INT_MIN;
484 qreal max = INT_MIN;
485
485
486 for (int i = 0; i < m_barSets.count(); i++) {
486 for (int i = 0; i < m_barSets.count(); i++) {
487 int categoryCount = m_barSets.at(i)->count();
487 int categoryCount = m_barSets.at(i)->count();
488 for (int j = 0; j < categoryCount; j++) {
488 for (int j = 0; j < categoryCount; j++) {
489 qreal temp = m_barSets.at(i)->at(j);
489 qreal temp = m_barSets.at(i)->at(j);
490 if (temp > max)
490 if (temp > max)
491 max = temp;
491 max = temp;
492 }
492 }
493 }
493 }
494
494
495 return max;
495 return max;
496 }
496 }
497
497
498 qreal QAbstractBarSeriesPrivate::valueAt(int set, int category)
498 qreal QAbstractBarSeriesPrivate::valueAt(int set, int category)
499 {
499 {
500 if ((set < 0) || (set >= m_barSets.count()))
500 if ((set < 0) || (set >= m_barSets.count()))
501 return 0; // No set, no value.
501 return 0; // No set, no value.
502 else if ((category < 0) || (category >= m_barSets.at(set)->count()))
502 else if ((category < 0) || (category >= m_barSets.at(set)->count()))
503 return 0; // No category, no value.
503 return 0; // No category, no value.
504
504
505 return m_barSets.at(set)->at(category);
505 return m_barSets.at(set)->at(category);
506 }
506 }
507
507
508 qreal QAbstractBarSeriesPrivate::percentageAt(int set, int category)
508 qreal QAbstractBarSeriesPrivate::percentageAt(int set, int category)
509 {
509 {
510 if ((set < 0) || (set >= m_barSets.count()))
510 if ((set < 0) || (set >= m_barSets.count()))
511 return 0; // No set, no value.
511 return 0; // No set, no value.
512 else if ((category < 0) || (category >= m_barSets.at(set)->count()))
512 else if ((category < 0) || (category >= m_barSets.at(set)->count()))
513 return 0; // No category, no value.
513 return 0; // No category, no value.
514
514
515 qreal value = m_barSets.at(set)->at(category);
515 qreal value = m_barSets.at(set)->at(category);
516 qreal sum = categorySum(category);
516 qreal sum = categorySum(category);
517 if (qFuzzyCompare(sum, 0))
517 if (qFuzzyCompare(sum, 0))
518 return 0;
518 return 0;
519
519
520 return value / sum;
520 return value / sum;
521 }
521 }
522
522
523 qreal QAbstractBarSeriesPrivate::categorySum(int category)
523 qreal QAbstractBarSeriesPrivate::categorySum(int category)
524 {
524 {
525 qreal sum(0);
525 qreal sum(0);
526 int count = m_barSets.count(); // Count sets
526 int count = m_barSets.count(); // Count sets
527 for (int set = 0; set < count; set++) {
527 for (int set = 0; set < count; set++) {
528 if (category < m_barSets.at(set)->count())
528 if (category < m_barSets.at(set)->count())
529 sum += m_barSets.at(set)->at(category);
529 sum += m_barSets.at(set)->at(category);
530 }
530 }
531 return sum;
531 return sum;
532 }
532 }
533
533
534 qreal QAbstractBarSeriesPrivate::absoluteCategorySum(int category)
534 qreal QAbstractBarSeriesPrivate::absoluteCategorySum(int category)
535 {
535 {
536 qreal sum(0);
536 qreal sum(0);
537 int count = m_barSets.count(); // Count sets
537 int count = m_barSets.count(); // Count sets
538 for (int set = 0; set < count; set++) {
538 for (int set = 0; set < count; set++) {
539 if (category < m_barSets.at(set)->count())
539 if (category < m_barSets.at(set)->count())
540 sum += qAbs(m_barSets.at(set)->at(category));
540 sum += qAbs(m_barSets.at(set)->at(category));
541 }
541 }
542 return sum;
542 return sum;
543 }
543 }
544
544
545 qreal QAbstractBarSeriesPrivate::maxCategorySum()
545 qreal QAbstractBarSeriesPrivate::maxCategorySum()
546 {
546 {
547 qreal max = INT_MIN;
547 qreal max = INT_MIN;
548 int count = categoryCount();
548 int count = categoryCount();
549 for (int i = 0; i < count; i++) {
549 for (int i = 0; i < count; i++) {
550 qreal sum = categorySum(i);
550 qreal sum = categorySum(i);
551 if (sum > max)
551 if (sum > max)
552 max = sum;
552 max = sum;
553 }
553 }
554 return max;
554 return max;
555 }
555 }
556
556
557 qreal QAbstractBarSeriesPrivate::minX()
557 qreal QAbstractBarSeriesPrivate::minX()
558 {
558 {
559 if (m_barSets.count() <= 0)
559 if (m_barSets.count() <= 0)
560 return 0;
560 return 0;
561
561
562 qreal min = INT_MAX;
562 qreal min = INT_MAX;
563
563
564 for (int i = 0; i < m_barSets.count(); i++) {
564 for (int i = 0; i < m_barSets.count(); i++) {
565 int categoryCount = m_barSets.at(i)->count();
565 int categoryCount = m_barSets.at(i)->count();
566 for (int j = 0; j < categoryCount; j++) {
566 for (int j = 0; j < categoryCount; j++) {
567 qreal temp = m_barSets.at(i)->d_ptr.data()->m_values.at(j).x();
567 qreal temp = m_barSets.at(i)->d_ptr.data()->m_values.at(j).x();
568 if (temp < min)
568 if (temp < min)
569 min = temp;
569 min = temp;
570 }
570 }
571 }
571 }
572 return min;
572 return min;
573 }
573 }
574
574
575 qreal QAbstractBarSeriesPrivate::maxX()
575 qreal QAbstractBarSeriesPrivate::maxX()
576 {
576 {
577 if (m_barSets.count() <= 0)
577 if (m_barSets.count() <= 0)
578 return 0;
578 return 0;
579
579
580 qreal max = INT_MIN;
580 qreal max = INT_MIN;
581
581
582 for (int i = 0; i < m_barSets.count(); i++) {
582 for (int i = 0; i < m_barSets.count(); i++) {
583 int categoryCount = m_barSets.at(i)->count();
583 int categoryCount = m_barSets.at(i)->count();
584 for (int j = 0; j < categoryCount; j++) {
584 for (int j = 0; j < categoryCount; j++) {
585 qreal temp = m_barSets.at(i)->d_ptr.data()->m_values.at(j).x();
585 qreal temp = m_barSets.at(i)->d_ptr.data()->m_values.at(j).x();
586 if (temp > max)
586 if (temp > max)
587 max = temp;
587 max = temp;
588 }
588 }
589 }
589 }
590
590
591 return max;
591 return max;
592 }
592 }
593
593
594 qreal QAbstractBarSeriesPrivate::categoryTop(int category)
594 qreal QAbstractBarSeriesPrivate::categoryTop(int category)
595 {
595 {
596 // Returns top (sum of all positive values) of category.
596 // Returns top (sum of all positive values) of category.
597 // Returns 0, if all values are negative
597 // Returns 0, if all values are negative
598 qreal top(0);
598 qreal top(0);
599 int count = m_barSets.count();
599 int count = m_barSets.count();
600 for (int set = 0; set < count; set++) {
600 for (int set = 0; set < count; set++) {
601 if (category < m_barSets.at(set)->count()) {
601 if (category < m_barSets.at(set)->count()) {
602 qreal temp = m_barSets.at(set)->at(category);
602 qreal temp = m_barSets.at(set)->at(category);
603 if (temp > 0) {
603 if (temp > 0) {
604 top += temp;
604 top += temp;
605 }
605 }
606 }
606 }
607 }
607 }
608 return top;
608 return top;
609 }
609 }
610
610
611 qreal QAbstractBarSeriesPrivate::categoryBottom(int category)
611 qreal QAbstractBarSeriesPrivate::categoryBottom(int category)
612 {
612 {
613 // Returns bottom (sum of all negative values) of category
613 // Returns bottom (sum of all negative values) of category
614 // Returns 0, if all values are positive
614 // Returns 0, if all values are positive
615 qreal bottom(0);
615 qreal bottom(0);
616 int count = m_barSets.count();
616 int count = m_barSets.count();
617 for (int set = 0; set < count; set++) {
617 for (int set = 0; set < count; set++) {
618 if (category < m_barSets.at(set)->count()) {
618 if (category < m_barSets.at(set)->count()) {
619 qreal temp = m_barSets.at(set)->at(category);
619 qreal temp = m_barSets.at(set)->at(category);
620 if (temp < 0) {
620 if (temp < 0) {
621 bottom += temp;
621 bottom += temp;
622 }
622 }
623 }
623 }
624 }
624 }
625 return bottom;
625 return bottom;
626 }
626 }
627
627
628 qreal QAbstractBarSeriesPrivate::top()
628 qreal QAbstractBarSeriesPrivate::top()
629 {
629 {
630 // Returns top of all categories
630 // Returns top of all categories
631 qreal top(0);
631 qreal top(0);
632 int count = categoryCount();
632 int count = categoryCount();
633 for (int i = 0; i < count; i++) {
633 for (int i = 0; i < count; i++) {
634 qreal temp = categoryTop(i);
634 qreal temp = categoryTop(i);
635 if (temp > top)
635 if (temp > top)
636 top = temp;
636 top = temp;
637 }
637 }
638 return top;
638 return top;
639 }
639 }
640
640
641 qreal QAbstractBarSeriesPrivate::bottom()
641 qreal QAbstractBarSeriesPrivate::bottom()
642 {
642 {
643 // Returns bottom of all categories
643 // Returns bottom of all categories
644 qreal bottom(0);
644 qreal bottom(0);
645 int count = categoryCount();
645 int count = categoryCount();
646 for (int i = 0; i < count; i++) {
646 for (int i = 0; i < count; i++) {
647 qreal temp = categoryBottom(i);
647 qreal temp = categoryBottom(i);
648 if (temp < bottom)
648 if (temp < bottom)
649 bottom = temp;
649 bottom = temp;
650 }
650 }
651 return bottom;
651 return bottom;
652 }
652 }
653
653
654
654
655 void QAbstractBarSeriesPrivate::initializeDomain()
655 void QAbstractBarSeriesPrivate::initializeDomain()
656 {
656 {
657 qreal minX(domain()->minX());
657 qreal minX(domain()->minX());
658 qreal minY(domain()->minY());
658 qreal minY(domain()->minY());
659 qreal maxX(domain()->maxX());
659 qreal maxX(domain()->maxX());
660 qreal maxY(domain()->maxY());
660 qreal maxY(domain()->maxY());
661
661
662 qreal seriesMinX = this->minX();
662 qreal seriesMinX = this->minX();
663 qreal seriesMaxX = this->maxX();
663 qreal seriesMaxX = this->maxX();
664 qreal y = max();
664 qreal y = max();
665 minX = qMin(minX, seriesMinX - (qreal)0.5);
665 minX = qMin(minX, seriesMinX - (qreal)0.5);
666 minY = qMin(minY, y);
666 minY = qMin(minY, y);
667 maxX = qMax(maxX, seriesMaxX + (qreal)0.5);
667 maxX = qMax(maxX, seriesMaxX + (qreal)0.5);
668 maxY = qMax(maxY, y);
668 maxY = qMax(maxY, y);
669
669
670 domain()->setRange(minX, maxX, minY, maxY);
670 domain()->setRange(minX, maxX, minY, maxY);
671 }
671 }
672
672
673 QList<QLegendMarker*> QAbstractBarSeriesPrivate::createLegendMarkers(QLegend* legend)
673 QList<QLegendMarker*> QAbstractBarSeriesPrivate::createLegendMarkers(QLegend* legend)
674 {
674 {
675 Q_Q(QAbstractBarSeries);
675 Q_Q(QAbstractBarSeries);
676 QList<QLegendMarker*> markers;
676 QList<QLegendMarker*> markers;
677
677
678 foreach(QBarSet* set, q->barSets()) {
678 foreach(QBarSet* set, q->barSets()) {
679 QBarLegendMarker* marker = new QBarLegendMarker(q,set,legend);
679 QBarLegendMarker* marker = new QBarLegendMarker(q,set,legend);
680 markers << marker;
680 markers << marker;
681 }
681 }
682 return markers;
682 return markers;
683 }
683 }
684
684
685
685
686 bool QAbstractBarSeriesPrivate::append(QBarSet *set)
686 bool QAbstractBarSeriesPrivate::append(QBarSet *set)
687 {
687 {
688 if ((m_barSets.contains(set)) || (set == 0))
688 if ((m_barSets.contains(set)) || (set == 0))
689 return false; // Fail if set is already in list or set is null.
689 return false; // Fail if set is already in list or set is null.
690
690
691 m_barSets.append(set);
691 m_barSets.append(set);
692 QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
692 QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
693 QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
693 QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
694 QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
694 QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
695
695
696 emit restructuredBars(); // this notifies barchartitem
696 emit restructuredBars(); // this notifies barchartitem
697 return true;
697 return true;
698 }
698 }
699
699
700 bool QAbstractBarSeriesPrivate::remove(QBarSet *set)
700 bool QAbstractBarSeriesPrivate::remove(QBarSet *set)
701 {
701 {
702 if (!m_barSets.contains(set))
702 if (!m_barSets.contains(set))
703 return false; // Fail if set is not in list
703 return false; // Fail if set is not in list
704
704
705 m_barSets.removeOne(set);
705 m_barSets.removeOne(set);
706 QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
706 QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
707 QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
707 QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
708 QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
708 QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
709
709
710 emit restructuredBars(); // this notifies barchartitem
710 emit restructuredBars(); // this notifies barchartitem
711 return true;
711 return true;
712 }
712 }
713
713
714 bool QAbstractBarSeriesPrivate::append(QList<QBarSet * > sets)
714 bool QAbstractBarSeriesPrivate::append(QList<QBarSet * > sets)
715 {
715 {
716 foreach (QBarSet *set, sets) {
716 foreach (QBarSet *set, sets) {
717 if ((set == 0) || (m_barSets.contains(set)))
717 if ((set == 0) || (m_barSets.contains(set)))
718 return false; // Fail if any of the sets is null or is already appended.
718 return false; // Fail if any of the sets is null or is already appended.
719 if (sets.count(set) != 1)
719 if (sets.count(set) != 1)
720 return false; // Also fail if same set is more than once in given list.
720 return false; // Also fail if same set is more than once in given list.
721 }
721 }
722
722
723 foreach (QBarSet *set, sets) {
723 foreach (QBarSet *set, sets) {
724 m_barSets.append(set);
724 m_barSets.append(set);
725 QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
725 QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
726 QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
726 QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
727 QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
727 QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
728 }
728 }
729
729
730 emit restructuredBars(); // this notifies barchartitem
730 emit restructuredBars(); // this notifies barchartitem
731 return true;
731 return true;
732 }
732 }
733
733
734 bool QAbstractBarSeriesPrivate::remove(QList<QBarSet * > sets)
734 bool QAbstractBarSeriesPrivate::remove(QList<QBarSet * > sets)
735 {
735 {
736 if (sets.count() == 0)
736 if (sets.count() == 0)
737 return false;
737 return false;
738
738
739 foreach (QBarSet *set, sets) {
739 foreach (QBarSet *set, sets) {
740 if ((set == 0) || (!m_barSets.contains(set)))
740 if ((set == 0) || (!m_barSets.contains(set)))
741 return false; // Fail if any of the sets is null or is not in series
741 return false; // Fail if any of the sets is null or is not in series
742 if (sets.count(set) != 1)
742 if (sets.count(set) != 1)
743 return false; // Also fail if same set is more than once in given list.
743 return false; // Also fail if same set is more than once in given list.
744 }
744 }
745
745
746 foreach (QBarSet *set, sets) {
746 foreach (QBarSet *set, sets) {
747 m_barSets.removeOne(set);
747 m_barSets.removeOne(set);
748 QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
748 QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
749 QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
749 QObject::disconnect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
750 QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
750 QObject::disconnect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
751 }
751 }
752
752
753 emit restructuredBars(); // this notifies barchartitem
753 emit restructuredBars(); // this notifies barchartitem
754
754
755 return true;
755 return true;
756 }
756 }
757
757
758 bool QAbstractBarSeriesPrivate::insert(int index, QBarSet *set)
758 bool QAbstractBarSeriesPrivate::insert(int index, QBarSet *set)
759 {
759 {
760 if ((m_barSets.contains(set)) || (set == 0))
760 if ((m_barSets.contains(set)) || (set == 0))
761 return false; // Fail if set is already in list or set is null.
761 return false; // Fail if set is already in list or set is null.
762
762
763 m_barSets.insert(index, set);
763 m_barSets.insert(index, set);
764 QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
764 QObject::connect(set->d_ptr.data(), SIGNAL(updatedLayout()), this, SIGNAL(updatedLayout()));
765 QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
765 QObject::connect(set->d_ptr.data(), SIGNAL(updatedBars()), this, SIGNAL(updatedBars()));
766 QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
766 QObject::connect(set->d_ptr.data(), SIGNAL(restructuredBars()), this, SIGNAL(restructuredBars()));
767
767
768 emit restructuredBars(); // this notifies barchartitem
768 emit restructuredBars(); // this notifies barchartitem
769 return true;
769 return true;
770 }
770 }
771
771
772 void QAbstractBarSeriesPrivate::initializeAxes()
772 void QAbstractBarSeriesPrivate::initializeAxes()
773 {
773 {
774 Q_Q(QAbstractBarSeries);
774 Q_Q(QAbstractBarSeries);
775
775
776 foreach(QAbstractAxis* axis, m_axes) {
776 foreach(QAbstractAxis* axis, m_axes) {
777
777
778 if (axis->type() == QAbstractAxis::AxisTypeBarCategory) {
778 if (axis->type() == QAbstractAxis::AxisTypeBarCategory) {
779 switch (q->type()) {
779 switch (q->type()) {
780 case QAbstractSeries::SeriesTypeHorizontalBar:
780 case QAbstractSeries::SeriesTypeHorizontalBar:
781 case QAbstractSeries::SeriesTypeHorizontalPercentBar:
781 case QAbstractSeries::SeriesTypeHorizontalPercentBar:
782 case QAbstractSeries::SeriesTypeHorizontalStackedBar:
782 case QAbstractSeries::SeriesTypeHorizontalStackedBar:
783 if (axis->orientation() == Qt::Vertical)
783 if (axis->orientation() == Qt::Vertical)
784 populateCategories(qobject_cast<QBarCategoryAxis *>(axis));
784 populateCategories(qobject_cast<QBarCategoryAxis *>(axis));
785 break;
785 break;
786 case QAbstractSeries::SeriesTypeBar:
786 case QAbstractSeries::SeriesTypeBar:
787 case QAbstractSeries::SeriesTypePercentBar:
787 case QAbstractSeries::SeriesTypePercentBar:
788 case QAbstractSeries::SeriesTypeStackedBar:
788 case QAbstractSeries::SeriesTypeStackedBar:
789 case QAbstractSeries::SeriesTypeBoxPlot:
789 case QAbstractSeries::SeriesTypeBoxPlot:
790 if (axis->orientation() == Qt::Horizontal)
790 if (axis->orientation() == Qt::Horizontal)
791 populateCategories(qobject_cast<QBarCategoryAxis *>(axis));
791 populateCategories(qobject_cast<QBarCategoryAxis *>(axis));
792 break;
792 break;
793 default:
793 default:
794 qWarning() << "Unexpected series type";
794 qWarning() << "Unexpected series type";
795 break;
795 break;
796 }
796 }
797 }
797 }
798 }
798 }
799 }
799 }
800
800
801 QAbstractAxis::AxisType QAbstractBarSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const
801 QAbstractAxis::AxisType QAbstractBarSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const
802 {
802 {
803 Q_Q(const QAbstractBarSeries);
803 Q_Q(const QAbstractBarSeries);
804
804
805 switch (q->type()) {
805 switch (q->type()) {
806 case QAbstractSeries::SeriesTypeHorizontalBar:
806 case QAbstractSeries::SeriesTypeHorizontalBar:
807 case QAbstractSeries::SeriesTypeHorizontalPercentBar:
807 case QAbstractSeries::SeriesTypeHorizontalPercentBar:
808 case QAbstractSeries::SeriesTypeHorizontalStackedBar:
808 case QAbstractSeries::SeriesTypeHorizontalStackedBar:
809 if (orientation == Qt::Vertical)
809 if (orientation == Qt::Vertical)
810 return QAbstractAxis::AxisTypeBarCategory;
810 return QAbstractAxis::AxisTypeBarCategory;
811 break;
811 break;
812 case QAbstractSeries::SeriesTypeBar:
812 case QAbstractSeries::SeriesTypeBar:
813 case QAbstractSeries::SeriesTypePercentBar:
813 case QAbstractSeries::SeriesTypePercentBar:
814 case QAbstractSeries::SeriesTypeStackedBar:
814 case QAbstractSeries::SeriesTypeStackedBar:
815 case QAbstractSeries::SeriesTypeBoxPlot:
815 case QAbstractSeries::SeriesTypeBoxPlot:
816 if (orientation == Qt::Horizontal)
816 if (orientation == Qt::Horizontal)
817 return QAbstractAxis::AxisTypeBarCategory;
817 return QAbstractAxis::AxisTypeBarCategory;
818 break;
818 break;
819 default:
819 default:
820 qWarning() << "Unexpected series type";
820 qWarning() << "Unexpected series type";
821 break;
821 break;
822 }
822 }
823 return QAbstractAxis::AxisTypeValue;
823 return QAbstractAxis::AxisTypeValue;
824
824
825 }
825 }
826
826
827 void QAbstractBarSeriesPrivate::populateCategories(QBarCategoryAxis *axis)
827 void QAbstractBarSeriesPrivate::populateCategories(QBarCategoryAxis *axis)
828 {
828 {
829 QStringList categories;
829 QStringList categories;
830 if (axis->categories().isEmpty()) {
830 if (axis->categories().isEmpty()) {
831 for (int i(1); i < categoryCount() + 1; i++)
831 for (int i(1); i < categoryCount() + 1; i++)
832 categories << QString::number(i);
832 categories << QString::number(i);
833 axis->append(categories);
833 axis->append(categories);
834 }
834 }
835 }
835 }
836
836
837 QAbstractAxis* QAbstractBarSeriesPrivate::createDefaultAxis(Qt::Orientation orientation) const
837 QAbstractAxis* QAbstractBarSeriesPrivate::createDefaultAxis(Qt::Orientation orientation) const
838 {
838 {
839 Q_UNUSED(orientation);
839 Q_UNUSED(orientation);
840 return 0;
840 return 0;
841 }
841 }
842
842
843 void QAbstractBarSeriesPrivate::initializeTheme(int index, ChartTheme* theme, bool forced)
843 void QAbstractBarSeriesPrivate::initializeTheme(int index, ChartTheme* theme, bool forced)
844 {
844 {
845 const QList<QGradient> gradients = theme->seriesGradients();
845 const QList<QGradient> gradients = theme->seriesGradients();
846
846
847 QBrush brush;
847 QBrush brush;
848 QPen pen;
848 QPen pen;
849
849
850 qreal takeAtPos = 0.5;
850 qreal takeAtPos = 0.5;
851 qreal step = 0.2;
851 qreal step = 0.2;
852 if (m_barSets.count() > 1) {
852 if (m_barSets.count() > 1) {
853 step = 1.0 / (qreal) m_barSets.count();
853 step = 1.0 / (qreal) m_barSets.count();
854 if (m_barSets.count() % gradients.count())
854 if (m_barSets.count() % gradients.count())
855 step *= gradients.count();
855 step *= gradients.count();
856 else
856 else
857 step *= (gradients.count() - 1);
857 step *= (gradients.count() - 1);
858 }
858 }
859
859
860 for (int i(0); i < m_barSets.count(); i++) {
860 for (int i(0); i < m_barSets.count(); i++) {
861 int colorIndex = (index + i) % gradients.count();
861 int colorIndex = (index + i) % gradients.count();
862 if (i > 0 && i %gradients.count() == 0) {
862 if (i > 0 && i %gradients.count() == 0) {
863 // There is no dedicated base color for each sets, generate more colors
863 // There is no dedicated base color for each sets, generate more colors
864 takeAtPos += step;
864 takeAtPos += step;
865 if (takeAtPos == 1.0)
865 if (takeAtPos == 1.0)
866 takeAtPos += step;
866 takeAtPos += step;
867 takeAtPos -= (int) takeAtPos;
867 takeAtPos -= (int) takeAtPos;
868 }
868 }
869 if (forced || brush == m_barSets.at(i)->brush())
869 if (forced || brush == m_barSets.at(i)->brush())
870 m_barSets.at(i)->setBrush(ChartThemeManager::colorAt(gradients.at(colorIndex), takeAtPos));
870 m_barSets.at(i)->setBrush(ChartThemeManager::colorAt(gradients.at(colorIndex), takeAtPos));
871
871
872 // Pick label color from the opposite end of the gradient.
872 // Pick label color from the opposite end of the gradient.
873 // 0.3 as a boundary seems to work well.
873 // 0.3 as a boundary seems to work well.
874 if (forced || brush == m_barSets.at(i)->labelBrush()) {
874 if (forced || brush == m_barSets.at(i)->labelBrush()) {
875 if (takeAtPos < 0.3)
875 if (takeAtPos < 0.3)
876 m_barSets.at(i)->setLabelBrush(ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 1));
876 m_barSets.at(i)->setLabelBrush(ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 1));
877 else
877 else
878 m_barSets.at(i)->setLabelBrush(ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 0));
878 m_barSets.at(i)->setLabelBrush(ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 0));
879 }
879 }
880
880
881 if (forced || pen == m_barSets.at(i)->pen()) {
881 if (forced || pen == m_barSets.at(i)->pen()) {
882 QColor c = ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 0.0);
882 QColor c = ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 0.0);
883 m_barSets.at(i)->setPen(c);
883 m_barSets.at(i)->setPen(c);
884 }
884 }
885 }
885 }
886 }
886 }
887
887
888 void QAbstractBarSeriesPrivate::initializeAnimations(QChart::AnimationOptions options)
888 void QAbstractBarSeriesPrivate::initializeAnimations(QChart::AnimationOptions options)
889 {
889 {
890 AbstractBarChartItem *bar = static_cast<AbstractBarChartItem *>(m_item.data());
890 AbstractBarChartItem *bar = static_cast<AbstractBarChartItem *>(m_item.data());
891 Q_ASSERT(bar);
891 Q_ASSERT(bar);
892 if (options.testFlag(QChart::SeriesAnimations)) {
892 if (options.testFlag(QChart::SeriesAnimations)) {
893 bar->setAnimation(new BarAnimation(bar));
893 bar->setAnimation(new BarAnimation(bar));
894 }else{
894 }else{
895 bar->setAnimation(0);
895 bar->setAnimation(0);
896 }
896 }
897 QAbstractSeriesPrivate::initializeAnimations(options);
897 QAbstractSeriesPrivate::initializeAnimations(options);
898 }
898 }
899
899
900 #include "moc_qabstractbarseries.cpp"
900 #include "moc_qabstractbarseries.cpp"
901 #include "moc_qabstractbarseries_p.cpp"
901 #include "moc_qabstractbarseries_p.cpp"
902
902
903 QTCOMMERCIALCHART_END_NAMESPACE
903 QTCOMMERCIALCHART_END_NAMESPACE
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