##// END OF EJS Templates
doc fix
doc fix

File last commit:

r703:44befe5b9760
r730:bbfdabbd5530
Show More
qbarseries.cpp
380 lines | 10.0 KiB | text/x-c | CppLexer
#include <QDebug>
#include "qbarseries.h"
#include "qbarset.h"
#include "barchartmodel_p.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
/*!
\class QBarSeries
\brief part of QtCommercial chart API.
QBarSeries represents a series of data shown as bars. One QBarSeries can contain multible
QBarSet data sets. QBarSeries groups the data from sets to categories, which are defined
by QStringList.
\mainclass
\sa QBarSet, QStackedBarSeries, QPercentBarSeries
*/
/*!
\fn virtual QSeriesType QBarSeries::type() const
\brief Returns type of series.
\sa QSeries, QSeriesType
*/
/*!
\fn void QBarSeries::showToolTip(QPoint pos, QString tip)
\brief \internal \a pos \a tip
*/
/*!
Constructs empty QBarSeries. Parameter \a categories defines the categories for chart.
QBarSeries is QObject which is a child of a \a parent.
*/
QBarSeries::QBarSeries(QBarCategories categories, QObject *parent)
: QSeries(parent)
,mModel(new BarChartModel(categories, this))
{
m_model = NULL;
m_mapCategories = -1;
m_mapBarBottom = -1;
m_mapBarTop = -1;
m_mapOrientation = Qt::Vertical;
}
/*!
Adds a set of bars to series. Takes ownership of \a set.
Connects the clicked(QString) and rightClicked(QString) signals
of \a set to this series
*/
void QBarSeries::addBarSet(QBarSet *set)
{
mModel->addBarSet(set);
connect(set,SIGNAL(clicked(QString)),this,SLOT(barsetClicked(QString)));
connect(set,SIGNAL(rightClicked(QString)),this,SLOT(barsetRightClicked(QString)));
connect(set, SIGNAL(valueChanged()), this, SLOT(barsetChanged()));
emit updatedBars();
}
/*!
Removes a set of bars from series. Releases ownership of \a set. Doesnt delete \a set.
Disconnects the clicked(QString) and rightClicked(QString) signals
of \a set from this series
*/
void QBarSeries::removeBarSet(QBarSet *set)
{
disconnect(set,SIGNAL(clicked(QString)),this,SLOT(barsetClicked(QString)));
disconnect(set,SIGNAL(rightClicked(QString)),this,SLOT(barsetRightClicked(QString)));
mModel->removeBarSet(set);
emit updatedBars();
}
void QBarSeries::insertBarSet(int i, QBarSet *set)
{
mModel->insertBarSet(i, set);
// emit barsetChanged();
}
void QBarSeries::insertCategory(int i, QString category)
{
mModel->insertCategory(i, category);
}
void QBarSeries::removeCategory(int i)
{
mModel->removeCategory(i);
}
/*!
Returns number of sets in series.
*/
int QBarSeries::barsetCount()
{
// if(m_model)
// return m_mapBarTop - m_mapBarBottom;
// else
return mModel->barsetCount();
}
/*!
Returns number of categories in series
*/
int QBarSeries::categoryCount()
{
return mModel->categoryCount();
}
/*!
Returns a list of sets in series. Keeps ownership of sets.
*/
QList<QBarSet*> QBarSeries::barSets()
{
return mModel->barSets();
}
/*!
\internal \a index
*/
QBarSet* QBarSeries::barsetAt(int index)
{
return mModel->setAt(index);
}
/*!
\internal \a category
*/
QString QBarSeries::categoryName(int category)
{
return mModel->categoryName(category);
}
/*!
Enables or disables tooltip depending on parameter \a enabled.
Tooltip shows the name of set, when mouse is hovering on top of bar.
Calling without parameter \a enabled, enables the tooltip
*/
void QBarSeries::setToolTipEnabled(bool enabled)
{
// TODO: what if we add sets after call to this function? Those sets won't have tooltip enabled.
if (enabled) {
for (int i=0; i<mModel->barsetCount(); i++) {
QBarSet *set = mModel->setAt(i);
connect(set,SIGNAL(showToolTip(QPoint,QString)),this,SIGNAL(showToolTip(QPoint,QString)));
}
} else {
for (int i=0; i<mModel->barsetCount(); i++) {
QBarSet *set = mModel->setAt(i);
disconnect(set,SIGNAL(showToolTip(QPoint,QString)),this,SIGNAL(showToolTip(QPoint,QString)));
}
}
}
/*!
\internal \a category
*/
void QBarSeries::barsetClicked(QString category)
{
emit clicked(qobject_cast<QBarSet*>(sender()), category);
}
/*!
\internal \a category
*/
void QBarSeries::barsetRightClicked(QString category)
{
emit rightClicked(qobject_cast<QBarSet*>(sender()), category);
}
/*!
\internal
*/
qreal QBarSeries::min()
{
return mModel->min();
}
/*!
\internal
*/
qreal QBarSeries::max()
{
return mModel->max();
}
/*!
\internal \a set \a category
*/
qreal QBarSeries::valueAt(int set, int category)
{
return mModel->valueAt(set,category);
}
/*!
\internal \a set \a category
*/
qreal QBarSeries::percentageAt(int set, int category)
{
return mModel->percentageAt(set,category);
}
/*!
\internal \a category
*/
qreal QBarSeries::categorySum(int category)
{
return mModel->categorySum(category);
}
/*!
\internal
*/
qreal QBarSeries::maxCategorySum()
{
return mModel->maxCategorySum();
}
/*!
\internal
*/
BarChartModel& QBarSeries::model()
{
return *mModel;
}
bool QBarSeries::setModel(QAbstractItemModel* model)
{
// disconnect signals from old model
if(m_model)
{
disconnect(m_model, 0, this, 0);
m_mapCategories = -1;
m_mapBarBottom = -1;
m_mapBarTop = -1;
m_mapOrientation = Qt::Vertical;
}
// set new model
if(model)
{
m_model = model;
return true;
}
else
{
m_model = NULL;
return false;
}
}
// TODO
void QBarSeries::setModelMapping(int categories, int bottomBoundry, int topBoundry, Qt::Orientation orientation)
{
if (m_model == NULL)
return;
m_mapCategories = categories;
m_mapBarBottom = bottomBoundry;
m_mapBarTop = topBoundry;
m_mapOrientation = orientation;
// connect the signals
if (m_mapOrientation == Qt::Vertical)
{
connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex, QModelIndex)));
connect(m_model,SIGNAL(rowsInserted(QModelIndex, int, int)), this, SLOT(modelDataAdded(QModelIndex,int,int)));
connect(m_model, SIGNAL(rowsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int)));
}
else
{
connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex, QModelIndex)));
connect(m_model,SIGNAL(columnsInserted(QModelIndex, int, int)), this, SLOT(modelDataAdded(QModelIndex,int,int)));
connect(m_model, SIGNAL(columnsRemoved(QModelIndex, int, int)), this, SLOT(modelDataRemoved(QModelIndex,int,int)));
}
// create the initial bars
delete mModel;
if (m_mapOrientation == Qt::Vertical)
{
QStringList categories;
for (int k = 0; k < m_model->rowCount(); k++)
categories << m_model->data(m_model->index(k, m_mapCategories), Qt::DisplayRole).toString();
mModel = new BarChartModel(categories, this);
for (int i = m_mapBarBottom; i <= m_mapBarTop; i++)
{
QBarSet* barSet = new QBarSet(QString("Column: %1").arg(i + 1));
for(int m = 0; m < m_model->rowCount(); m++)
*barSet << m_model->data(m_model->index(m, i), Qt::DisplayRole).toDouble();
addBarSet(barSet);
}
}
else
{
QStringList categories;
for (int k = 0; k < m_model->columnCount(); k++)
categories << m_model->data(m_model->index(m_mapCategories, k), Qt::DisplayRole).toString();
mModel = new BarChartModel(categories, this);
for (int i = m_mapBarBottom; i <= m_mapBarTop; i++)
{
QBarSet* barSet = new QBarSet(QString("Row: %1").arg(i + 1));
for(int m = 0; m < m_model->columnCount(); m++)
*barSet << m_model->data(m_model->index(i, m), Qt::DisplayRole).toDouble();
addBarSet(barSet);
}
}
}
void QBarSeries::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
{
Q_UNUSED(bottomRight)
if (m_mapOrientation == Qt::Vertical)
{
if (topLeft.column() >= m_mapBarBottom && topLeft.column() <= m_mapBarTop)
barsetAt(topLeft.column() - m_mapBarBottom)->setValue(topLeft.row(), m_model->data(topLeft, Qt::DisplayRole).toDouble());
// else if (topLeft.column() == m_mapCategories)
// slices().at(topLeft.row())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
}
else
{
if (topLeft.row() >= m_mapBarBottom && topLeft.row() <= m_mapBarTop)
barsetAt(topLeft.row() - m_mapBarBottom)->setValue(topLeft.column(), m_model->data(topLeft, Qt::DisplayRole).toDouble());
// else if (topLeft.row() == m_mapCategories)
// slices().at(topLeft.column())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
}
}
void QBarSeries::modelDataAdded(QModelIndex /*parent*/, int start, int /*end*/)
{
if (m_mapOrientation == Qt::Vertical)
{
insertCategory(start, QString("Row: %1").arg(start + 1));
for (int i = 0; i <= m_mapBarTop - m_mapBarBottom; i++)
{
barsetAt(i)->insertValue(start, m_model->data(m_model->index(start, i), Qt::DisplayRole).toDouble());
}
}
else
{
insertCategory(start, QString("Column: %1").arg(start + 1));
for (int i = 0; i <= m_mapBarTop - m_mapBarBottom; i++)
{
barsetAt(i)->insertValue(start, m_model->data(m_model->index(i, start), Qt::DisplayRole).toDouble());
}
}
emit restructuredBar(1);
}
void QBarSeries::modelDataRemoved(QModelIndex /*parent*/, int start, int /*end*/)
{
removeCategory(start);
for (int i = 0; i <= m_mapBarTop - m_mapBarBottom; i++)
{
barsetAt(i)->removeValue(start);
}
emit restructuredBar(1);
}
void QBarSeries::barsetChanged()
{
emit updatedBars();
}
QBarCategories QBarSeries::categories() const
{
QBarCategories categories;
int count = mModel->categoryCount();
for (int i=1; i<=count; i++) {
categories.insert(i, mModel->categoryName(i-1));
}
return categories;
}
#include "moc_qbarseries.cpp"
QTCOMMERCIALCHART_END_NAMESPACE