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Added data from model support to QPieSeries(modify, remove). Data from model example updated
Marek Rosa -
r597:fed5cb29c884
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@@ -58,10 +58,12 TableWidget::TableWidget(QWidget *parent)
58 58 lineRadioButton = new QRadioButton("Line");
59 59 splineRadioButton = new QRadioButton("Spline");
60 60 scatterRadioButton = new QRadioButton("Scatter");
61 pieRadioButton = new QRadioButton("Pie");
61 62
62 63 connect(lineRadioButton, SIGNAL(toggled(bool)), this, SLOT(updateChartType()));
63 64 connect(splineRadioButton, SIGNAL(toggled(bool)), this, SLOT(updateChartType()));
64 65 connect(scatterRadioButton, SIGNAL(toggled(bool)), this, SLOT(updateChartType()));
66 connect(pieRadioButton, SIGNAL(toggled(bool)), this, SLOT(updateChartType()));
65 67 lineRadioButton->setChecked(true);
66 68
67 69 // radio buttons layout
@@ -69,6 +71,7 TableWidget::TableWidget(QWidget *parent)
69 71 radioLayout->addWidget(lineRadioButton);
70 72 radioLayout->addWidget(splineRadioButton);
71 73 radioLayout->addWidget(scatterRadioButton);
74 radioLayout->addWidget(pieRadioButton);
72 75
73 76 // create main layout
74 77 QGridLayout* mainLayout = new QGridLayout;
@@ -107,8 +110,17 void TableWidget::updateChartType()
107 110 series = new QLineSeries;
108 111 else if (splineRadioButton->isChecked())
109 112 series = new QSplineSeries;
110 else
113 else if (scatterRadioButton->isChecked())
111 114 series = new QScatterSeries;
115 else if (pieRadioButton->isChecked())
116 {
117 QPieSeries* pieSeries = new QPieSeries;
118 pieSeries->setModel(m_model);
119 pieSeries->setModelMapping(0,2, Qt::Vertical);
120 pieSeries->setLabelsVisible(true);
121 chartView->addSeries(pieSeries);
122 return;
123 }
112 124
113 125 series->setModel(m_model);
114 126 series->setModelMapping(0,1, Qt::Vertical);
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@@ -35,6 +35,7 public:
35 35 QRadioButton* lineRadioButton;
36 36 QRadioButton* splineRadioButton;
37 37 QRadioButton* scatterRadioButton;
38 QRadioButton* pieRadioButton;
38 39 };
39 40
40 41 #endif // TABLEWIDGET_H
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@@ -265,7 +265,7 QList<QPieSlice*> QPieSeries::slices() const
265 265 void QPieSeries::setPiePosition(qreal relativeHorizontalPosition, qreal relativeVerticalPosition)
266 266 {
267 267 if (relativeHorizontalPosition < 0.0 || relativeHorizontalPosition > 1.0 ||
268 relativeVerticalPosition < 0.0 || relativeVerticalPosition > 1.0)
268 relativeVerticalPosition < 0.0 || relativeVerticalPosition > 1.0)
269 269 return;
270 270
271 271 if (m_pieRelativeHorPos != relativeHorizontalPosition || m_pieRelativeVerPos != relativeVerticalPosition) {
@@ -531,6 +531,71 void QPieSeries::updateDerivativeData()
531 531 }
532 532 }
533 533
534 bool QPieSeries::setModel(QAbstractItemModel* model)
535 {
536 // disconnect signals from old model
537 if(m_model)
538 {
539 disconnect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), 0, 0);
540 disconnect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), 0, 0);
541 disconnect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), 0, 0);
542 }
543
544 // set new model if not NULL and connect necessary signals from it
545 if(model)
546 {
547 m_model = model;
548 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)));
550 connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int)));
551 }
552 }
553
554 void QPieSeries::setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation)
555 {
556 m_mapValues = modelValuesLine;
557 m_mapLabels = modelLabelsLine;
558 m_mapOrientation = orientation;
559
560 if (m_model == NULL)
561 return;
562
563 if (m_mapOrientation == Qt::Vertical)
564 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());
566 else
567 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());
569
570
571 }
572
573 void QPieSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
574 {
575 if (m_mapOrientation == Qt::Vertical)
576 // slices().at(topLeft.row())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble());
577 if (topLeft.column() == m_mapValues)
578 slices().at(topLeft.row())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
579 else if (topLeft.column() == m_mapLabels)
580 slices().at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
581 else
582 // slices().at(topLeft.column())->setValue(m_model->data(m_model->index(topLeft.row(), topLeft.column()), Qt::DisplayRole).toDouble());
583 if (topLeft.column() == m_mapValues)
584 slices().at(topLeft.column())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
585 else if (topLeft.column() == m_mapLabels)
586 slices().at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
587 }
588
589 void QPieSeries::modelDataAdded(QModelIndex parent, int start, int end)
590 {
591 //
592 }
593
594 void QPieSeries::modelDataRemoved(QModelIndex parent, int start, int end)
595 {
596 remove(slices().at(start));
597 }
598
534 599 #include "moc_qpieseries.cpp"
535 600
536 601 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -82,6 +82,10 public:
82 82 QPieSlice* add(qreal value, QString name);
83 83 void setLabelsVisible(bool visible = true);
84 84
85 // data from model
86 bool setModel(QAbstractItemModel* model);
87 void setModelMapping(int modelValuesLine, int modelLabelsLine, Qt::Orientation orientation = Qt::Vertical);
88
85 89 // TODO: find slices?
86 90 // QList<QPieSlice*> findByValue(qreal value);
87 91 // ...
@@ -105,6 +109,11 private Q_SLOTS: // TODO: should be private and not visible in the interface at
105 109 void sliceHoverEnter();
106 110 void sliceHoverLeave();
107 111
112 // slots for updating pie when data in model changes
113 void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight);
114 void modelDataAdded(QModelIndex parent, int start, int end);
115 void modelDataRemoved(QModelIndex parent, int start, int end);
116
108 117 private:
109 118 void updateDerivativeData();
110 119
@@ -122,6 +131,11 private:
122 131 qreal m_pieStartAngle;
123 132 qreal m_pieEndAngle;
124 133 qreal m_total;
134
135 // model map
136 int m_mapValues;
137 int m_mapLabels;
138 Qt::Orientation m_mapOrientation;
125 139 };
126 140
127 141 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -32,7 +32,7 public:
32 32 };*/
33 33
34 34 protected:
35 QSeries(QObject *parent = 0) : QObject(parent) {}
35 QSeries(QObject *parent = 0) : QObject(parent) {m_model = NULL;}
36 36
37 37 public:
38 38 virtual ~QSeries() {}
@@ -44,6 +44,9 public:
44 44 void setTitle(QString title) { m_title = title; }
45 45 QString title() { return m_title; }
46 46
47 protected:
48 QAbstractItemModel* m_model;
49
47 50 private:
48 51 QString m_title;
49 52 };
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@@ -50,7 +50,6 QTCOMMERCIALCHART_BEGIN_NAMESPACE
50 50 */
51 51 QXYSeries::QXYSeries(QObject* parent):QSeries(parent)
52 52 {
53 m_model = NULL;
54 53 m_mapX = -1;
55 54 m_mapY = -1;
56 55 m_mapOrientation = Qt::Vertical;
@@ -268,7 +267,10 QXYSeries& QXYSeries::operator<< (const QList<QPointF> points)
268 267
269 268 void QXYSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
270 269 {
271 emit pointReplaced(topLeft.row());
270 if (m_mapOrientation == Qt::Vertical)
271 emit pointReplaced(topLeft.row());
272 else
273 emit pointReplaced(topLeft.column());
272 274 }
273 275
274 276 void QXYSeries::modelDataAdded(QModelIndex parent, int start, int end)
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@@ -64,7 +64,7 protected:
64 64 QPen m_pen;
65 65 QBrush m_brush;
66 66
67 QAbstractItemModel* m_model;
67 // QAbstractItemModel* m_model;
68 68 int m_mapX;
69 69 Qt::Orientation m_mapOrientation;
70 70 int m_mapY;
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