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#include "datawidgetmapper.h"
#include <QAbstractItemModel>
#include <QWidget>
#include <QDebug>
DataWidgetMapper::DataWidgetMapper(QObject *parent) :
QObject(parent)
{
}
QAbstractItemModel* DataWidgetMapper::getModel() const
{
return model;
}
void DataWidgetMapper::setModel(QAbstractItemModel* value)
{
model = value;
}
void DataWidgetMapper::addMapping(QWidget* widget, int modelColumn, const QString& propertyName)
{
MappingEntry* entry = new MappingEntry;
entry->columnIndex = modelColumn;
entry->widget = widget;
entry->propertyName = propertyName;
mappings[widget] = entry;
}
void DataWidgetMapper::clearMapping()
{
for (MappingEntry* entry : mappings.values())
delete entry;
mappings.clear();
}
int DataWidgetMapper::getCurrentIndex() const
{
return currentIndex;
}
int DataWidgetMapper::mappedSection(QWidget* widget) const
{
if (mappings.contains(widget))
return mappings[widget]->columnIndex;
return -1;
}
void DataWidgetMapper::loadFromModel()
{
QModelIndex idx;
QVariant data;
for (MappingEntry* entry : mappings.values())
{
idx = model->index(currentIndex, entry->columnIndex);
data = model->data(idx, Qt::EditRole);
entry->widget->setProperty(entry->propertyName.toLatin1().constData(), data);
}
}
DataWidgetMapper::SubmitFilter DataWidgetMapper::getSubmitFilter() const
{
return submitFilter;
}
void DataWidgetMapper::setSubmitFilter(const SubmitFilter& value)
{
submitFilter = value;
}
void DataWidgetMapper::setCurrentIndex(int rowIndex)
{
if (!model)
return;
if (rowIndex < 0)
return;
if (rowIndex >= model->rowCount())
return;
if (model->rowCount() == 0)
return;
currentIndex = rowIndex;
loadFromModel();
emit currentIndexChanged(rowIndex);
}
void DataWidgetMapper::toFirst()
{
setCurrentIndex(0);
}
void DataWidgetMapper::toLast()
{
if (!model)
return;
setCurrentIndex(model->rowCount() - 1);
}
void DataWidgetMapper::toNext()
{
setCurrentIndex(currentIndex + 1);
}
void DataWidgetMapper::toPrevious()
{
setCurrentIndex(currentIndex - 1);
}
void DataWidgetMapper::submit()
{
QModelIndex idx;
QVariant value;
for (MappingEntry* entry : mappings.values())
{
if (submitFilter && !submitFilter(entry->widget))
continue;
idx = model->index(currentIndex, entry->columnIndex);
value = entry->widget->property(entry->propertyName.toLatin1().constData());
//qDebug() << "copying from form view for idx" << idx << "value:" << value;
model->setData(idx, value, Qt::EditRole);
}
}
void DataWidgetMapper::revert()
{
if (!model)
return;
if (currentIndex < 0)
return;
loadFromModel();
}
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