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Added class ObjectBinder for common data binding.

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This commit is contained in:
pepa
2016-04-13 21:34:49 +02:00
parent c3397c779b
commit 049314a245
6 changed files with 165 additions and 76 deletions
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core/formbinder.h
+14 -74
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@@ -11,6 +11,7 @@
#include "combodata.h"
#include "ivalidator.h"
#include "iform.h"
#include "objectbinder.h"
#include "../qdecimal/src/QDecDouble.hh"
@@ -19,31 +20,31 @@ class FormBinder : public IForm
{
public:
explicit FormBinder(QWidget *parent = NULL) : IForm(parent) {}
explicit FormBinder(QWidget *parent = NULL) : IForm(parent) {
connect(&m_binder, &ObjectBinder::validationError, [this](QString msg){
emit this->validationError(msg);
});
}
virtual ~FormBinder() {
foreach (IValidator *val, m_validators) {
delete val;
}
m_validators.clear();
}
void registerBinding(QWidget *widget) {
if (!m_bindWidgets.contains(widget)) {
m_bindWidgets.append(widget);
}
m_binder.registerBinding(widget);
}
void registerBinding(QComboBox *combo, const QList<ComboData> &values) {
m_bindCombos[combo] = values;
m_binder.registerBinding(combo, values);
}
void registerValidator(IValidator *validator) {
m_validators.append(validator);
m_binder.registerValidator(validator);
}
void setEntity(QSharedPointer<T> entity) {
m_entity = entity;
m_binder.setData(m_entity.data());
bindToUi();
}
@@ -60,77 +61,16 @@ protected:
void bindToUi() {
registerCombos();
foreach (QWidget *widget, m_bindWidgets) {
const char* prop = widget->metaObject()->userProperty().name();
QVariant value = ((QObject*)m_entity.data())->property(widget->objectName().toStdString().c_str());
if (value.canConvert<QDecDouble>())
{
widget->setProperty(prop, value.value<QDecDouble>().toString());
}
else
{
widget->setProperty(prop, value);
}
}
foreach (QComboBox *combo, m_bindCombos.keys()) {
int idx = 0;
QVariant field = ((QObject*)m_entity.data())->property(combo->objectName().toStdString().c_str());
combo->clear();
for (int i = 0; i < m_bindCombos[combo].size(); i++) {
ComboData data = m_bindCombos[combo][i];
combo->addItem(data.label(), data.index());
if (data.index().canConvert<QObject*>()) {
ComboItem* ci = qobject_cast<ComboItem*>(data.index().value<QObject*>());
ComboItem* ciField = qobject_cast<ComboItem*>(field.value<QObject*>());
if (ci->eq(ciField)) {
idx = i;
}
}
else if (field == data.index()) {
idx = i;
}
}
combo->setCurrentIndex(idx);
}
m_binder.bindToUi();
bindOtherToUi();
}
bool bindToData() {
foreach (IValidator *val, m_validators) {
if (!val->validate()) {
emit validationError(val->errMessage());
return false;
}
}
foreach (QWidget *widget, m_bindWidgets) {
const char* prop = widget->metaObject()->userProperty().name();
QVariant val = widget->property(prop);
if (((QObject*)m_entity.data())->property(widget->objectName().toStdString().c_str()).canConvert<QDecDouble>())
{
QDecDouble dec(val.toDouble());
val = QVariant::fromValue(dec);
}
((QObject*)m_entity.data())->setProperty(widget->objectName().toStdString().c_str(), val);
}
foreach (QComboBox *combo, m_bindCombos.keys()) {
((QObject*)m_entity.data())->setProperty(combo->objectName().toStdString().c_str(), combo->currentData());
}
return bindOtherToData();
return m_binder.bindToData() && bindOtherToData();
}
private:
QList<QWidget*> m_bindWidgets;
QHash<QComboBox*, QList<ComboData> > m_bindCombos;
QList<IValidator*> m_validators;
ObjectBinder m_binder;
};
#endif // FORMBINDER_H