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