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QChart and QChartView now has some description for all the functions
QChart and QChartView now has some description for all the functions
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barchartmodel.cpp
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/ src / barchart / barchartmodel.cpp
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sauimone
model prototyping for bar chart
 r159 #include <limits.h>
sauimone
model delegate for bar series. updated examples
 r161 #include <QVector>
#include <QDebug>
sauimone
model prototyping for bar chart
 r159 #include "barchartmodel_p.h"
sauimone
proof of concept implementation for barset and barcategory
 r169 #include "qbarcategory.h"
#include "qbarset.h"
sauimone
model prototyping for bar chart
 r159
QTCOMMERCIALCHART_BEGIN_NAMESPACE
sauimone
fixed bug in category implementation. model now owns the category and sets
 r173 BarChartModel::BarChartModel(QBarCategory *category, QObject *parent) :
sauimone
model prototyping for bar chart
 r159 QObject(parent)
sauimone
proof of concept implementation for barset and barcategory
 r169 ,mCategory(category)
sauimone
model prototyping for bar chart
 r159 {
}
sauimone
fixed bug in category implementation. model now owns the category and sets
 r173 BarChartModel::~BarChartModel()
sauimone
model prototyping for bar chart
 r159 {
sauimone
fixed bug in category implementation. model now owns the category and sets
 r173 delete mCategory;
sauimone
model prototyping for bar chart
 r159 }
sauimone
fixed bug in category implementation. model now owns the category and sets
 r173
QBarCategory& BarChartModel::category()
sauimone
proof of concept implementation for barset and barcategory
 r169 {
sauimone
fixed bug in category implementation. model now owns the category and sets
 r173 return *mCategory;
sauimone
proof of concept implementation for barset and barcategory
 r169 }
sauimone
fixed bug in category implementation. model now owns the category and sets
 r173 void BarChartModel::addBarSet(QBarSet *set)
sauimone
proof of concept implementation for barset and barcategory
 r169 {
sauimone
fixed bug in category implementation. model now owns the category and sets
 r173 mDataModel.append(set);
sauimone
proof of concept implementation for barset and barcategory
 r169 }
sauimone
fixed bug in category implementation. model now owns the category and sets
 r173 void BarChartModel::removeBarSet(QBarSet *set)
{
if (mDataModel.contains(set)) {
mDataModel.removeOne(set);
}
}
sauimone
proof of concept implementation for barset and barcategory
 r169
sauimone
Added pen & brush to QBarSet
 r214 QBarSet* BarChartModel::nextSet(bool getFirst)
{
if (getFirst) {
mCurrentSet = 0;
}
if ((mDataModel.count() <= 0) || (mDataModel.count() <= mCurrentSet)) {
return 0;
}
QBarSet* set = mDataModel.at(mCurrentSet);
mCurrentSet++;
return set;
}
sauimone
floating values working now. bounding rect bug fixed
 r273 QBarSet* BarChartModel::setAt(int index)
sauimone
Added pen & brush to QBarSet
 r214 {
sauimone
floating values working now. bounding rect bug fixed
 r273 return mDataModel.at(index);
sauimone
Added pen & brush to QBarSet
 r214 }
sauimone
barcharts: added legend to model. added signals for hover events (for tooltip). updated examples
 r280 QList<QString> BarChartModel::legend()
{
QList<QString> legend;
for (int i=0; i<mDataModel.count(); i++) {
legend.append(mDataModel.at(i)->name());
}
return legend;
}
sauimone
Barset and barcategory implememtation. Updated test application
 r171 int BarChartModel::countSets()
sauimone
model prototyping for bar chart
 r159 {
sauimone
model delegate for bar series. updated examples
 r161 return mDataModel.count();
sauimone
model prototyping for bar chart
 r159 }
sauimone
Barset and barcategory implememtation. Updated test application
 r171 int BarChartModel::countCategories()
sauimone
model prototyping for bar chart
 r159 {
int count(0);
sauimone
model delegate for bar series. updated examples
 r161 for (int i=0; i<mDataModel.count(); i++){
sauimone
barchart mvp model integrating
 r160 // TODO: can we assume that all series have same number of values? If not. then which values are empty?
sauimone
Barset and barcategory implememtation. Updated test application
 r171 int temp = mDataModel.at(i)->count();
sauimone
model prototyping for bar chart
 r159 if (temp > count) {
count = temp;
}
}
return count;
}
int BarChartModel::countTotalItems()
{
sauimone
Barset and barcategory implememtation. Updated test application
 r171 int total = mDataModel.count() * countCategories();
sauimone
model prototyping for bar chart
 r159 return total;
}
sauimone
added labels to series, intergrated with test app. minor hack to test app
 r167 qreal BarChartModel::min()
sauimone
model prototyping for bar chart
 r159 {
sauimone
model delegate for bar series. updated examples
 r161 Q_ASSERT(mDataModel.count() > 0);
sauimone
model prototyping for bar chart
 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.
sauimone
added labels to series, intergrated with test app. minor hack to test app
 r167 qreal min = INT_MAX;
sauimone
model prototyping for bar chart
 r159
sauimone
model delegate for bar series. updated examples
 r161 for (int i=0; i <mDataModel.count(); i++) {
sauimone
Barset and barcategory implememtation. Updated test application
 r171 int itemCount = mDataModel.at(i)->count();
sauimone
model delegate for bar series. updated examples
 r161 for (int j=0; j<itemCount; j++) {
sauimone
added labels to series, intergrated with test app. minor hack to test app
 r167 qreal temp = mDataModel.at(i)->valueAt(j);
sauimone
model delegate for bar series. updated examples
 r161 if (temp < min) {
min = temp;
}
sauimone
model prototyping for bar chart
 r159 }
}
return min;
}
sauimone
added labels to series, intergrated with test app. minor hack to test app
 r167 qreal BarChartModel::max()
sauimone
model prototyping for bar chart
 r159 {
sauimone
model delegate for bar series. updated examples
 r161 Q_ASSERT(mDataModel.count() > 0);
sauimone
model prototyping for bar chart
 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.
sauimone
added labels to series, intergrated with test app. minor hack to test app
 r167 qreal max = INT_MIN;
sauimone
model prototyping for bar chart
 r159
sauimone
model delegate for bar series. updated examples
 r161 for (int i=0; i <mDataModel.count(); i++) {
sauimone
Barset and barcategory implememtation. Updated test application
 r171 int itemCount = mDataModel.at(i)->count();
sauimone
model delegate for bar series. updated examples
 r161 for (int j=0; j<itemCount; j++) {
sauimone
added labels to series, intergrated with test app. minor hack to test app
 r167 qreal temp = mDataModel.at(i)->valueAt(j);
sauimone
model delegate for bar series. updated examples
 r161 if (temp > max) {
max = temp;
}
sauimone
model prototyping for bar chart
 r159 }
}
sauimone
model delegate for bar series. updated examples
 r161
sauimone
model prototyping for bar chart
 r159 return max;
}
sauimone
Barset and barcategory implememtation. Updated test application
 r171 qreal BarChartModel::valueAt(int set, int category)
sauimone
model prototyping for bar chart
 r159 {
sauimone
Barset and barcategory implememtation. Updated test application
 r171 if ((set < 0) || (set >= mDataModel.count())) {
// No set, no value.
sauimone
model prototyping for bar chart
 r159 return 0;
sauimone
Barset and barcategory implememtation. Updated test application
 r171 } else if ((category < 0) || (category >= mDataModel.at(set)->count())) {
// No category, no value.
sauimone
model prototyping for bar chart
 r159 return 0;
}
sauimone
Barset and barcategory implememtation. Updated test application
 r171 return mDataModel.at(set)->valueAt(category);
sauimone
model delegate for bar series. updated examples
 r161 }
sauimone
Floating values to bar charts
 r263 qreal BarChartModel::percentageAt(int set, int category)
{
if ((set < 0) || (set >= mDataModel.count())) {
// No set, no value.
return 0;
} else if ((category < 0) || (category >= mDataModel.at(set)->count())) {
// No category, no value.
return 0;
}
qreal value = mDataModel.at(set)->valueAt(category);
qreal total = categorySum(category);
if (0 == total) {
return 100.0;
}
return value / total;
}
qreal BarChartModel::categorySum(int category)
sauimone
model delegate for bar series. updated examples
 r161 {
sauimone
Barset and barcategory implememtation. Updated test application
 r171 qreal sum(0);
sauimone
Floating values to bar charts
 r263 int count = mDataModel.count(); // Count sets
sauimone
model delegate for bar series. updated examples
 r161
sauimone
Floating values to bar charts
 r263 for (int set = 0; set < count; set++) {
if (category < mDataModel.at(set)->count()) {
sum += mDataModel.at(set)->valueAt(category);
sauimone
model delegate for bar series. updated examples
 r161 }
}
return sum;
}
sauimone
Barset and barcategory implememtation. Updated test application
 r171 qreal BarChartModel::maxCategorySum()
sauimone
model delegate for bar series. updated examples
 r161 {
sauimone
Barset and barcategory implememtation. Updated test application
 r171 qreal max = INT_MIN;
int count = countCategories();
sauimone
model delegate for bar series. updated examples
 r161
for (int col=0; col<count; col++) {
sauimone
Barset and barcategory implememtation. Updated test application
 r171 qreal sum = categorySum(col);
sauimone
model delegate for bar series. updated examples
 r161 if (sum > max) {
max = sum;
}
}
return max;
sauimone
model prototyping for bar chart
 r159 }
sauimone
removed barchartseriesbase. functionality is now in model
 r172 QString BarChartModel::label(int category)
{
sauimone
fixed bug in category implementation. model now owns the category and sets
 r173 return mCategory->label(category);
sauimone
removed barchartseriesbase. functionality is now in model
 r172 }
sauimone
model prototyping for bar chart
 r159 #include "moc_barchartmodel_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE