stackedbarchartseries.cpp
107 lines
| 2.4 KiB
| text/x-c
|
CppLexer
sauimone
|
r96 | #include <limits.h> | ||
| #include "stackedbarchartseries.h" | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| StackedBarChartSeries::StackedBarChartSeries(QObject *parent) : | ||||
| QChartSeries(parent) | ||||
| { | ||||
| } | ||||
| bool StackedBarChartSeries::setData(QAbstractItemModel* model) | ||||
| { | ||||
| mModel = model; | ||||
| } | ||||
| int StackedBarChartSeries::min() | ||||
| { | ||||
| Q_ASSERT(mModel->rowCount() > 0); | ||||
| Q_ASSERT(mModel->columnCount() > 0); | ||||
| // 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; | ||||
| for (int i=0; i <mModel->rowCount(); i++) { | ||||
| for(int j=0; j<mModel->columnCount(); j++) { | ||||
| int temp = mModel->data(mModel->index(i,j)).toInt(); | ||||
| if (temp < min) { | ||||
| min = temp; | ||||
| } | ||||
| } | ||||
| } | ||||
| return min; | ||||
| } | ||||
| int StackedBarChartSeries::max() | ||||
| { | ||||
| Q_ASSERT(mModel->rowCount() > 0); | ||||
| Q_ASSERT(mModel->columnCount() > 0); | ||||
| // 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; | ||||
| for (int i=0; i <mModel->rowCount(); i++) { | ||||
| for(int j=0; j<mModel->columnCount(); j++) { | ||||
| int temp = mModel->data(mModel->index(i,j)).toInt(); | ||||
| if (temp > max) { | ||||
| max = temp; | ||||
| } | ||||
| } | ||||
| } | ||||
| return max; | ||||
| } | ||||
| int StackedBarChartSeries::maxColumnSum() | ||||
| { | ||||
| Q_ASSERT(mModel->rowCount() > 0); | ||||
| Q_ASSERT(mModel->columnCount() > 0); | ||||
| int max = INT_MIN; | ||||
| for (int col=0; col <mModel->rowCount(); col++) { | ||||
| int sum = columnSum(col); | ||||
| if (sum > max) { | ||||
| max = sum; | ||||
| } | ||||
| } | ||||
| return max; | ||||
| } | ||||
| int StackedBarChartSeries::countRows() | ||||
| { | ||||
| return mModel->rowCount(); | ||||
| } | ||||
| int StackedBarChartSeries::countColumns() | ||||
| { | ||||
| return mModel->columnCount(); | ||||
| } | ||||
| int StackedBarChartSeries::countTotalItems() | ||||
| { | ||||
| return mModel->rowCount() * mModel->columnCount(); | ||||
| } | ||||
| int StackedBarChartSeries::valueAt(int row, int column) | ||||
| { | ||||
| QModelIndex index = mModel->index(row,column); | ||||
| return mModel->data(index).toInt(); | ||||
| } | ||||
| int StackedBarChartSeries::columnSum(int column) | ||||
| { | ||||
| int sum(0); | ||||
| int count = mModel->rowCount(); | ||||
| for (int row = 0; row < count; row++) { | ||||
| sum += mModel->data(mModel->index(row,column)).toInt(); | ||||
| } | ||||
| return sum; | ||||
| } | ||||
| #include "moc_stackedbarchartseries.cpp" | ||||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||