Added class ObjectBinder for common data binding.

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Josef Rokos 9 years ago
parent c3397c779b
commit 049314a245

@ -51,7 +51,8 @@ SOURCES += \
settings/globalsettings.cpp \ settings/globalsettings.cpp \
settingsform.cpp \ settingsform.cpp \
settings/globalsettingsform.cpp \ settings/globalsettingsform.cpp \
permissionevaluator.cpp permissionevaluator.cpp \
objectbinder.cpp
HEADERS += core.h\ HEADERS += core.h\
core_global.h \ core_global.h \
@ -102,7 +103,8 @@ HEADERS += core.h\
settingsform.h \ settingsform.h \
settings/globalsettingsform.h \ settings/globalsettingsform.h \
formbinder.h \ formbinder.h \
permissionevaluator.h permissionevaluator.h \
objectbinder.h
unix { unix {
target.path = /usr/lib target.path = /usr/lib

@ -11,6 +11,7 @@
#include "combodata.h" #include "combodata.h"
#include "ivalidator.h" #include "ivalidator.h"
#include "iform.h" #include "iform.h"
#include "objectbinder.h"
#include "../qdecimal/src/QDecDouble.hh" #include "../qdecimal/src/QDecDouble.hh"
@ -19,31 +20,31 @@ class FormBinder : public IForm
{ {
public: 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() { virtual ~FormBinder() {
foreach (IValidator *val, m_validators) {
delete val;
}
m_validators.clear();
} }
void registerBinding(QWidget *widget) { void registerBinding(QWidget *widget) {
if (!m_bindWidgets.contains(widget)) { m_binder.registerBinding(widget);
m_bindWidgets.append(widget);
}
} }
void registerBinding(QComboBox *combo, const QList<ComboData> &values) { void registerBinding(QComboBox *combo, const QList<ComboData> &values) {
m_bindCombos[combo] = values; m_binder.registerBinding(combo, values);
} }
void registerValidator(IValidator *validator) { void registerValidator(IValidator *validator) {
m_validators.append(validator); m_binder.registerValidator(validator);
} }
void setEntity(QSharedPointer<T> entity) { void setEntity(QSharedPointer<T> entity) {
m_entity = entity; m_entity = entity;
m_binder.setData(m_entity.data());
bindToUi(); bindToUi();
} }
@ -60,77 +61,16 @@ protected:
void bindToUi() { void bindToUi() {
registerCombos(); registerCombos();
foreach (QWidget *widget, m_bindWidgets) { m_binder.bindToUi();
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);
}
bindOtherToUi(); bindOtherToUi();
} }
bool bindToData() { bool bindToData() {
foreach (IValidator *val, m_validators) { return m_binder.bindToData() && bindOtherToData();
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();
} }
private: private:
QList<QWidget*> m_bindWidgets; ObjectBinder m_binder;
QHash<QComboBox*, QList<ComboData> > m_bindCombos;
QList<IValidator*> m_validators;
}; };
#endif // FORMBINDER_H #endif // FORMBINDER_H

@ -0,0 +1,93 @@
#include "objectbinder.h"
#include <QDecDouble.hh>
ObjectBinder::ObjectBinder(QObject *parent)
:QObject(parent)
{
m_data = NULL;
}
void ObjectBinder::registerBinding(QWidget *widget) {
if (!m_bindWidgets.contains(widget)) {
m_bindWidgets.append(widget);
}
}
void ObjectBinder::registerBinding(QComboBox *combo, const QList<ComboData> &values) {
m_bindCombos[combo] = values;
}
void ObjectBinder::registerValidator(IValidator *validator) {
m_validators.append(validator);
}
void ObjectBinder::setData(QObject *data)
{
m_data = data;
}
void ObjectBinder::bindToUi() {
foreach (QWidget *widget, m_bindWidgets) {
const char* prop = widget->metaObject()->userProperty().name();
QVariant value = m_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 = m_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);
}
}
bool ObjectBinder::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 (m_data->property(widget->objectName().toStdString().c_str()).canConvert<QDecDouble>())
{
QDecDouble dec(val.toDouble());
val = QVariant::fromValue(dec);
}
m_data->setProperty(widget->objectName().toStdString().c_str(), val);
}
foreach (QComboBox *combo, m_bindCombos.keys()) {
m_data->setProperty(combo->objectName().toStdString().c_str(), combo->currentData());
}
return true;
}

@ -0,0 +1,37 @@
#ifndef OBJECTBINDER_H
#define OBJECTBINDER_H
#include <QList>
#include <QWidget>
#include <QComboBox>
#include <QObject>
#include <QMetaProperty>
#include "ivalidator.h"
#include "combodata.h"
#include "core_global.h"
class CORESHARED_EXPORT ObjectBinder : public QObject
{
Q_OBJECT
public:
explicit ObjectBinder(QObject *parent = NULL);
void registerBinding(QWidget *widget);
void registerBinding(QComboBox *combo, const QList<ComboData> &values);
void registerValidator(IValidator *validator);
void setData(QObject *data);
void bindToUi();
bool bindToData();
signals:
void validationError(QString msg);
private:
QList<QWidget*> m_bindWidgets;
QHash<QComboBox*, QList<ComboData> > m_bindCombos;
QList<IValidator*> m_validators;
QObject *m_data;
};
#endif // OBJECTBINDER_H

@ -0,0 +1,6 @@
#include "shopservice.h"
ShopService::ShopService()
{
}

@ -0,0 +1,11 @@
#ifndef SHOPSERVICE_H
#define SHOPSERVICE_H
class ShopService
{
public:
ShopService();
};
#endif // SHOPSERVICE_H
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