summaryrefslogtreecommitdiffstats
path: root/src/datavisualization/data/qscatter3dseries.cpp
blob: 1557a6c38e16a08562479bbc74d4f1ef02c33ff1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Data Visualization module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qscatter3dseries_p.h"
#include "scatter3dcontroller_p.h"

QT_BEGIN_NAMESPACE_DATAVISUALIZATION

/*!
 * \class QScatter3DSeries
 * \inmodule QtDataVisualization
 * \brief The QScatter3DSeries class represents a data series in a 3D scatter
 * graph.
 * \since QtDataVisualization 1.0
 *
 * This class manages the series specific visual elements, as well as the series
 * data (via a data proxy).
 *
 * If no data proxy is set explicitly for the series, the series creates a default
 * proxy. Setting another proxy will destroy the existing proxy and all data added to it.
 *
 * QScatter3DSeries supports the following format tags for QAbstract3DSeries::setItemLabelFormat():
 * \table
 *   \row
 *     \li @xTitle    \li Title from x-axis
 *   \row
 *     \li @yTitle    \li Title from y-axis
 *   \row
 *     \li @zTitle    \li Title from z-axis
 *   \row
 *     \li @xLabel    \li Item value formatted using the format of the x-axis.
 *                        For more information, see
 *                        \l{QValue3DAxis::setLabelFormat()}.
 *   \row
 *     \li @yLabel    \li Item value formatted using the format of the y-axis.
 *                        For more information, see
 *                        \l{QValue3DAxis::setLabelFormat()}.
 *   \row
 *     \li @zLabel    \li Item value formatted using the format of the z-axis.
 *                        For more information, see
 *                        \l{QValue3DAxis::setLabelFormat()}.
 *   \row
 *     \li @seriesName \li Name of the series
 * \endtable
 *
 * For example:
 * \snippet doc_src_qtdatavisualization.cpp 1
 *
 * \sa {Qt Data Visualization Data Handling}
 */

/*!
 * \qmltype Scatter3DSeries
 * \inqmlmodule QtDataVisualization
 * \since QtDataVisualization 1.0
 * \ingroup datavisualization_qml
 * \instantiates QScatter3DSeries
 * \inherits Abstract3DSeries
 * \brief Represents a data series in a 3D scatter graph.
 *
 * This type manages the series specific visual elements, as well as the series
 * data (via a data proxy).
 *
 * For a more complete description, see QScatter3DSeries.
 *
 * \sa {Qt Data Visualization Data Handling}
 */

/*!
 * \qmlproperty ScatterDataProxy Scatter3DSeries::dataProxy
 *
 * Sets the active data proxy. The series assumes ownership of any proxy set to
 * it and deletes any previously set proxy when a new one is added. The proxy
 * cannot be null or set to another series.
 */

/*!
 * \qmlproperty int Scatter3DSeries::selectedItem
 *
 * The item that is selected at the index in the data array of the series.
 * Only one item can be selected at a time.
 * To clear selection from this series, invalidSelectionIndex is set as the index.
 * If this series is added to a graph, the graph can adjust the selection according to user
 * interaction or if it becomes invalid. Selecting an item on another added series will also
 * clear the selection.
 * Removing items from or inserting items to the series before the selected item
 * will adjust the selection so that the same item will stay selected.
 *
 * \sa AbstractGraph3D::clearSelection()
 */

/*!
 * \qmlproperty float Scatter3DSeries::itemSize
 *
 * Sets the item size for the series. The size must be between \c 0.0 and
 * \c 1.0. Setting the size to \c 0.0 causes the item size to be automatically
 * scaled based on the total number of items in all the series for the graph.
 * The preset default is \c 0.0.
 */

/*!
 * \qmlproperty int Scatter3DSeries::invalidSelectionIndex
 * A constant property providing an invalid index for selection. This index is
 * set to the selectedItem property to clear the selection from this series.
 *
 * \sa AbstractGraph3D::clearSelection()
 */

/*!
 * Constructs a scatter 3D series with the parent \a parent.
 */
QScatter3DSeries::QScatter3DSeries(QObject *parent) :
    QAbstract3DSeries(new QScatter3DSeriesPrivate(this), parent)
{
    // Default proxy
    dptr()->setDataProxy(new QScatterDataProxy);
}

/*!
 * Constructs a scatter 3D series with the data proxy \a dataProxy and the
 * parent \a parent.
 */
QScatter3DSeries::QScatter3DSeries(QScatterDataProxy *dataProxy, QObject *parent) :
    QAbstract3DSeries(new QScatter3DSeriesPrivate(this), parent)
{
    dptr()->setDataProxy(dataProxy);
}

/*!
 * \internal
 */
QScatter3DSeries::QScatter3DSeries(QScatter3DSeriesPrivate *d, QObject *parent) :
    QAbstract3DSeries(d, parent)
{
}

/*!
 * Deletes the scatter 3D series.
 */
QScatter3DSeries::~QScatter3DSeries()
{
}

/*!
 * \property QScatter3DSeries::dataProxy
 *
 * \brief The active data proxy.
 */

/*!
 * Sets the active data proxy for the series to \a proxy. The series assumes
 * ownership of any proxy set to it and deletes any previously set proxy when
 * a new one is added. The \a proxy argument cannot be null or set to another
 * series.
 */
void QScatter3DSeries::setDataProxy(QScatterDataProxy *proxy)
{
    d_ptr->setDataProxy(proxy);
}

QScatterDataProxy *QScatter3DSeries::dataProxy() const
{
    return static_cast<QScatterDataProxy *>(d_ptr->dataProxy());
}

/*!
 * \property QScatter3DSeries::selectedItem
 *
 * \brief The item that is selected in the series.
 */

/*!
 * Selects the item at the index \a index in the data array of the series.
 * Only one item can be selected at a time.
 *
 * To clear selection from this series, invalidSelectionIndex() is set as \a index.
 * If this series is added to a graph, the graph can adjust the selection according to user
 * interaction or if it becomes invalid. Selecting an item on another added series will also
 * clear the selection.
 *
 * Removing items from or inserting items to the series before the selected item
 * will adjust the selection so that the same item will stay selected.
 *
 * \sa QAbstract3DGraph::clearSelection()
 */
void QScatter3DSeries::setSelectedItem(int index)
{
    // Don't do this in private to avoid loops, as that is used for callback from controller.
    if (d_ptr->m_controller)
        static_cast<Scatter3DController *>(d_ptr->m_controller)->setSelectedItem(index, this);
    else
        dptr()->setSelectedItem(index);
}

int QScatter3DSeries::selectedItem() const
{
    return dptrc()->m_selectedItem;
}

/*!
 * \property QScatter3DSeries::itemSize
 *
 * \brief Item size for the series.
 *
 * The size must be between \c 0.0f and \c 1.0f. Setting the size to \c 0.0f
 * causes the item size to be automatically scaled based on the total number of
 * items in all the series for the graph.
 *
 * The preset default is \c 0.0f.
 */
void QScatter3DSeries::setItemSize(float size)
{
    if (size < 0.0f || size > 1.0f) {
        qWarning("Invalid size. Valid range for itemSize is 0.0f...1.0f");
    } else if (size != dptr()->m_itemSize) {
        dptr()->setItemSize(size);
        emit itemSizeChanged(size);
    }
}

float QScatter3DSeries::itemSize() const
{
    return dptrc()->m_itemSize;
}

/*!
 * Returns an invalid index for selection. This index is set to the selectedItem
 * property to clear the selection from this series.
 *
 * \sa QAbstract3DGraph::clearSelection()
 */
int QScatter3DSeries::invalidSelectionIndex()
{
    return Scatter3DController::invalidSelectionIndex();
}

/*!
 * \internal
 */
QScatter3DSeriesPrivate *QScatter3DSeries::dptr()
{
    return static_cast<QScatter3DSeriesPrivate *>(d_ptr.data());
}

/*!
 * \internal
 */
const QScatter3DSeriesPrivate *QScatter3DSeries::dptrc() const
{
    return static_cast<const QScatter3DSeriesPrivate *>(d_ptr.data());
}

// QScatter3DSeriesPrivate

QScatter3DSeriesPrivate::QScatter3DSeriesPrivate(QScatter3DSeries *q)
    : QAbstract3DSeriesPrivate(q, QAbstract3DSeries::SeriesTypeScatter),
      m_selectedItem(Scatter3DController::invalidSelectionIndex()),
      m_itemSize(0.0f)
{
    m_itemLabelFormat = QStringLiteral("@xLabel, @yLabel, @zLabel");
    m_mesh = QAbstract3DSeries::MeshSphere;
}

QScatter3DSeriesPrivate::~QScatter3DSeriesPrivate()
{
}

QScatter3DSeries *QScatter3DSeriesPrivate::qptr()
{
    return static_cast<QScatter3DSeries *>(q_ptr);
}

void QScatter3DSeriesPrivate::setDataProxy(QAbstractDataProxy *proxy)
{
    Q_ASSERT(proxy->type() == QAbstractDataProxy::DataTypeScatter);

    QAbstract3DSeriesPrivate::setDataProxy(proxy);

    emit qptr()->dataProxyChanged(static_cast<QScatterDataProxy *>(proxy));
}

void QScatter3DSeriesPrivate::connectControllerAndProxy(Abstract3DController *newController)
{
    QScatterDataProxy *scatterDataProxy = static_cast<QScatterDataProxy *>(m_dataProxy);

    if (m_controller && scatterDataProxy) {
        //Disconnect old controller/old proxy
        QObject::disconnect(scatterDataProxy, 0, m_controller, 0);
        QObject::disconnect(q_ptr, 0, m_controller, 0);
    }

    if (newController && scatterDataProxy) {
        Scatter3DController *controller = static_cast<Scatter3DController *>(newController);
        QObject::connect(scatterDataProxy, &QScatterDataProxy::arrayReset,
                         controller, &Scatter3DController::handleArrayReset);
        QObject::connect(scatterDataProxy, &QScatterDataProxy::itemsAdded,
                         controller, &Scatter3DController::handleItemsAdded);
        QObject::connect(scatterDataProxy, &QScatterDataProxy::itemsChanged,
                         controller, &Scatter3DController::handleItemsChanged);
        QObject::connect(scatterDataProxy, &QScatterDataProxy::itemsRemoved,
                         controller, &Scatter3DController::handleItemsRemoved);
        QObject::connect(scatterDataProxy, &QScatterDataProxy::itemsInserted,
                         controller, &Scatter3DController::handleItemsInserted);
        QObject::connect(qptr(), &QScatter3DSeries::dataProxyChanged,
                         controller, &Scatter3DController::handleArrayReset);
    }
}

void QScatter3DSeriesPrivate::createItemLabel()
{
    static const QString xTitleTag(QStringLiteral("@xTitle"));
    static const QString yTitleTag(QStringLiteral("@yTitle"));
    static const QString zTitleTag(QStringLiteral("@zTitle"));
    static const QString xLabelTag(QStringLiteral("@xLabel"));
    static const QString yLabelTag(QStringLiteral("@yLabel"));
    static const QString zLabelTag(QStringLiteral("@zLabel"));
    static const QString seriesNameTag(QStringLiteral("@seriesName"));

    if (m_selectedItem == QScatter3DSeries::invalidSelectionIndex()) {
        m_itemLabel = QString();
        return;
    }

    QValue3DAxis *axisX = static_cast<QValue3DAxis *>(m_controller->axisX());
    QValue3DAxis *axisY = static_cast<QValue3DAxis *>(m_controller->axisY());
    QValue3DAxis *axisZ = static_cast<QValue3DAxis *>(m_controller->axisZ());
    QVector3D selectedPosition = qptr()->dataProxy()->itemAt(m_selectedItem)->position();

    m_itemLabel = m_itemLabelFormat;

    m_itemLabel.replace(xTitleTag, axisX->title());
    m_itemLabel.replace(yTitleTag, axisY->title());
    m_itemLabel.replace(zTitleTag, axisZ->title());

    if (m_itemLabel.contains(xLabelTag)) {
        QString valueLabelText = axisX->formatter()->stringForValue(
                    qreal(selectedPosition.x()), axisX->labelFormat());
        m_itemLabel.replace(xLabelTag, valueLabelText);
    }
    if (m_itemLabel.contains(yLabelTag)) {
        QString valueLabelText = axisY->formatter()->stringForValue(
                    qreal(selectedPosition.y()), axisY->labelFormat());
        m_itemLabel.replace(yLabelTag, valueLabelText);
    }
    if (m_itemLabel.contains(zLabelTag)) {
        QString valueLabelText = axisZ->formatter()->stringForValue(
                    qreal(selectedPosition.z()), axisZ->labelFormat());
        m_itemLabel.replace(zLabelTag, valueLabelText);
    }
    m_itemLabel.replace(seriesNameTag, m_name);
}

void QScatter3DSeriesPrivate::setSelectedItem(int index)
{
    if (index != m_selectedItem) {
        markItemLabelDirty();
        m_selectedItem = index;
        emit qptr()->selectedItemChanged(m_selectedItem);
    }
}

void QScatter3DSeriesPrivate::setItemSize(float size)
{
    m_itemSize = size;
    if (m_controller)
        m_controller->markSeriesVisualsDirty();
}

QT_END_NAMESPACE_DATAVISUALIZATION