barchartmodel.cpp
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| 3.9 KiB
| text/x-c
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CppLexer
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r159 | #include <limits.h> | ||
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r161 | #include <QVector> | ||
| #include <QDebug> | ||||
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r159 | #include "barchartmodel_p.h" | ||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| BarChartModel::BarChartModel(QObject *parent) : | ||||
| QObject(parent) | ||||
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r161 | ,mRunningId(1) | ||
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r159 | { | ||
| } | ||||
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r161 | BarChartModel::~BarChartModel() | ||
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r159 | { | ||
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r165 | // qDebug() << "BarChartModel::~BarChartModel"; | ||
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r161 | foreach (DataContainer* c, mDataModel) { | ||
| delete c; | ||||
| } | ||||
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r159 | } | ||
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r161 | int BarChartModel::addData(QList<qreal> data) | ||
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r159 | { | ||
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r165 | // qDebug() << "BarChartModel::addData" << data.count(); | ||
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r161 | DataContainer* c = new DataContainer(data,mRunningId); | ||
| mDataModel.append(c); | ||||
| mRunningId++; | ||||
| return mRunningId-1; | ||||
| } | ||||
| void BarChartModel::removeData(int id) | ||||
| { | ||||
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r165 | // qDebug() << "BarChartModel::removeData"; | ||
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r161 | foreach(DataContainer* c, mDataModel) { | ||
| if (c->mId == id) { | ||||
| mDataModel.removeOne(c); | ||||
| delete c; | ||||
| } | ||||
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r159 | } | ||
| } | ||||
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r161 | int BarChartModel::countRows() | ||
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r159 | { | ||
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r165 | // qDebug() << "BarChartModel::countRows"; | ||
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r161 | return mDataModel.count(); | ||
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r159 | } | ||
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r161 | int BarChartModel::countColumns() | ||
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r159 | { | ||
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r165 | // qDebug() << "BarChartModel::countColumns"; | ||
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r159 | int count(0); | ||
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r161 | for (int i=0; i<mDataModel.count(); i++){ | ||
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r160 | // TODO: can we assume that all series have same number of values? If not. then which values are empty? | ||
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r161 | int temp = mDataModel.at(i)->countColumns(); | ||
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r159 | if (temp > count) { | ||
| count = temp; | ||||
| } | ||||
| } | ||||
| return count; | ||||
| } | ||||
| int BarChartModel::countTotalItems() | ||||
| { | ||||
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r165 | // qDebug() << "BarChartModel::countTotalItems"; | ||
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r161 | int total = mDataModel.count() * countColumns(); | ||
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r159 | return total; | ||
| } | ||||
| int BarChartModel::min() | ||||
| { | ||||
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r165 | // qDebug() << "BarChartModel::min"; | ||
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r161 | Q_ASSERT(mDataModel.count() > 0); | ||
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r159 | // TODO: make min and max members and update them when data changes. | ||
| // This is slower since they are checked every time, even if data is same since previous call. | ||||
| int min = INT_MAX; | ||||
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r161 | for (int i=0; i <mDataModel.count(); i++) { | ||
| int itemCount = mDataModel.at(i)->countColumns(); | ||||
| for (int j=0; j<itemCount; j++) { | ||||
| int temp = mDataModel.at(i)->valueAt(j); | ||||
| if (temp < min) { | ||||
| min = temp; | ||||
| } | ||||
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r159 | } | ||
| } | ||||
| return min; | ||||
| } | ||||
| int BarChartModel::max() | ||||
| { | ||||
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r165 | // qDebug() << "BarChartModel::max"; | ||
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r161 | Q_ASSERT(mDataModel.count() > 0); | ||
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r159 | |||
| // TODO: make min and max members and update them when data changes. | ||||
| // This is slower since they are checked every time, even if data is same since previous call. | ||||
| int max = INT_MIN; | ||||
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r161 | for (int i=0; i <mDataModel.count(); i++) { | ||
| int itemCount = mDataModel.at(i)->countColumns(); | ||||
| for (int j=0; j<itemCount; j++) { | ||||
| int temp = mDataModel.at(i)->valueAt(j); | ||||
| if (temp > max) { | ||||
| max = temp; | ||||
| } | ||||
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r159 | } | ||
| } | ||||
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r161 | |||
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r159 | return max; | ||
| } | ||||
| qreal BarChartModel::valueAt(int series, int item) | ||||
| { | ||||
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r165 | // qDebug() << "BarChartModel::valueAt" << series << item; | ||
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r161 | if ((series < 0) || (series >= mDataModel.count())) { | ||
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r159 | // No series, no value. | ||
| return 0; | ||||
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r161 | } else if ((item < 0) || (item >= mDataModel.at(series)->countColumns())) { | ||
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r159 | // No item, no value. | ||
| return 0; | ||||
| } | ||||
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r165 | // qDebug() << "ValueAt" << series << item << "=" << mDataModel.at(series)->valueAt(item); | ||
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r161 | return mDataModel.at(series)->valueAt(item); | ||
| } | ||||
| qreal BarChartModel::columnSum(int column) | ||||
| { | ||||
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r165 | // qDebug() << "BarChartModel::columnSum"; | ||
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r161 | int sum(0); | ||
| int count = mDataModel.count(); // Count rows | ||||
| for (int row = 0; row < count; row++) { | ||||
| if (column < mDataModel.at(row)->countColumns()) { | ||||
| sum += mDataModel.at(row)->valueAt(column); | ||||
| } | ||||
| } | ||||
| return sum; | ||||
| } | ||||
| qreal BarChartModel::maxColumnSum() | ||||
| { | ||||
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r165 | // qDebug() << "BarChartModel::maxColumnSum"; | ||
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r161 | int max = INT_MIN; | ||
| int count = countColumns(); | ||||
| for (int col=0; col<count; col++) { | ||||
| int sum = columnSum(col); | ||||
| if (sum > max) { | ||||
| max = sum; | ||||
| } | ||||
| } | ||||
| return max; | ||||
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r159 | } | ||
| #include "moc_barchartmodel_p.cpp" | ||||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||