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Example implementation

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This commit is contained in:
Abdullah Tahiri
2018-11-18 02:36:57 +01:00
committed by wmayer
parent 9a34a93db1
commit b6a37e153f
6 changed files with 99 additions and 126 deletions
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64
src/App/PropertyContainer.cpp
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@@ -42,7 +42,7 @@
using namespace App;
using namespace Base;
using namespace std;
TYPESYSTEM_SOURCE(App::PropertyContainer,Base::Persistence);
@@ -94,12 +94,12 @@ void PropertyContainer::setPropertyStatus(unsigned char bit,bool value)
(**it).StatusBits.set(bit,value);
}
short PropertyContainer::getPropertyType(const Property* prop) const
short PropertyContainer::getPropertyType(const Property* prop) const
{
return getPropertyData().getType(this,prop);
}
short PropertyContainer::getPropertyType(const char *name) const
short PropertyContainer::getPropertyType(const char *name) const
{
return getPropertyData().getType(this,name);
}
@@ -150,8 +150,8 @@ const char* PropertyContainer::getPropertyName(const Property* prop)const
}
const PropertyData * PropertyContainer::getPropertyDataPtr(void){return &propertyData;}
const PropertyData & PropertyContainer::getPropertyData(void) const{return propertyData;}
const PropertyData * PropertyContainer::getPropertyDataPtr(void){return &propertyData;}
const PropertyData & PropertyContainer::getPropertyData(void) const{return propertyData;}
/**
* @brief PropertyContainer::handleChangedPropertyName is called during restore to possibly
@@ -207,11 +207,11 @@ private:
const PropertyContainer* cont;
};
void PropertyContainer::Save (Base::Writer &writer) const
void PropertyContainer::Save (Base::Writer &writer) const
{
std::map<std::string,Property*> Map;
getPropertyMap(Map);
// ignore the properties we won't store
size_t ct = std::count_if(Map.begin(), Map.end(), std::bind2nd(PropertyAttribute
<std::pair<std::string,Property*> >(this), Prop_Transient));
@@ -222,11 +222,11 @@ void PropertyContainer::Save (Base::Writer &writer) const
std::map<std::string,Property*>::iterator it;
for (it = Map.begin(); it != Map.end(); ++it)
{
// Don't write transient properties
// Don't write transient properties
if (!(getPropertyType(it->second) & Prop_Transient))
{
writer.incInd(); // indentation for 'Property name'
writer.Stream() << writer.ind() << "<Property name=\"" << it->first << "\" type=\""
writer.Stream() << writer.ind() << "<Property name=\"" << it->first << "\" type=\""
<< it->second->getTypeId().getName() << "\">" << endl;;
writer.incInd(); // indentation for the actual property
try {
@@ -250,7 +250,7 @@ void PropertyContainer::Save (Base::Writer &writer) const
}
#endif
writer.decInd(); // indentation for the actual property
writer.Stream() << writer.ind() << "</Property>" << endl;
writer.Stream() << writer.ind() << "</Property>" << endl;
writer.decInd(); // indentation for 'Property name'
}
}
@@ -260,41 +260,38 @@ void PropertyContainer::Save (Base::Writer &writer) const
void PropertyContainer::Restore(Base::XMLReader &reader)
{
bool partialrestore = false;
reader.clearPartialRestoreProperty();
reader.readElement("Properties");
int Cnt = reader.getAttributeAsInteger("Count");
for (int i=0 ;i<Cnt ;i++) {
reader.readElement("Property");
const char* PropName = reader.getAttribute("name");
const char* TypeName = reader.getAttribute("type");
Property* prop = getPropertyByName(PropName);
std::string PropName = reader.getAttribute("name");
std::string TypeName = reader.getAttribute("type");
Property* prop = getPropertyByName(PropName.c_str());
// NOTE: We must also check the type of the current property because a
// subclass of PropertyContainer might change the type of a property but
// not its name. In this case we would force to read-in a wrong property
// type and the behaviour would be undefined.
try {
// name and type match
if (prop && strcmp(prop->getTypeId().getName(), TypeName) == 0) {
try {
if (prop && strcmp(prop->getTypeId().getName(), TypeName.c_str()) == 0) {
prop->Restore(reader);
}
catch(RestoreError &e) {
e.ReportException();
Base::Console().Error("Property %s of type %s was subject to a partial restore.\n",PropName,TypeName);
partialrestore = true;
}
if(reader.testStatus(Base::XMLReader::ReaderStatus::PartialRestoreInProperty)) {
Base::Console().Error("Property %s of type %s was subject to a partial restore.\n",PropName.c_str(),TypeName.c_str());
reader.clearPartialRestoreProperty();
}
}
// name matches but not the type
else if (prop) {
handleChangedPropertyType(reader, TypeName, prop);
handleChangedPropertyType(reader, TypeName.c_str(), prop);
}
// name doesn't match, the sub-class then has to know
// if the property has been renamed or removed
else {
handleChangedPropertyName(reader, TypeName, PropName);
handleChangedPropertyName(reader, TypeName.c_str(), PropName.c_str());
}
}
catch (const Base::XMLParseException&) {
@@ -318,9 +315,6 @@ void PropertyContainer::Restore(Base::XMLReader &reader)
reader.readEndElement("Property");
}
reader.readEndElement("Properties");
if(partialrestore)
THROW(Base::RestoreError);
}
void PropertyData::addProperty(OffsetBase offsetBase,const char* PropName, Property *Prop, const char* PropertyGroup , PropertyType Type, const char* PropertyDocu)
@@ -351,7 +345,7 @@ const PropertyData::PropertySpec *PropertyData::findProperty(OffsetBase offsetBa
if(parentPropertyData)
return parentPropertyData->findProperty(offsetBase,PropName);
return 0;
}
@@ -364,10 +358,10 @@ const PropertyData::PropertySpec *PropertyData::findProperty(OffsetBase offsetBa
for (vector<PropertyData::PropertySpec>::const_iterator It = propertyData.begin(); It != propertyData.end(); ++It)
if(diff == It->Offset)
return &(*It);
if(parentPropertyData)
return parentPropertyData->findProperty(offsetBase,prop);
return 0;
}
@@ -480,7 +474,7 @@ const char* PropertyData::getDocumentation(OffsetBase offsetBase,const char* nam
Property *PropertyData::getPropertyByName(OffsetBase offsetBase,const char* name) const
Property *PropertyData::getPropertyByName(OffsetBase offsetBase,const char* name) const
{
const PropertyData::PropertySpec* Spec = findProperty(offsetBase,name);
@@ -518,7 +512,7 @@ void PropertyData::getPropertyMap(OffsetBase offsetBase,std::map<std::string,Pro
if(parentPropertyData)
parentPropertyData->getPropertyMap(offsetBase,Map);
}
void PropertyData::getPropertyList(OffsetBase offsetBase,std::vector<Property*> &List) const
@@ -547,7 +541,7 @@ The property framework introduces the ability to access attributes (member varia
knowing the class type. It's like the reflection mechanism of Java or C#.
This ability is introduced by the App::PropertyContainer class and can be used by all derived classes.
This makes it possible in the first place to make an automatic mapping to python (e.g. in App::FeaturePy) and
This makes it possible in the first place to make an automatic mapping to python (e.g. in App::FeaturePy) and
abstract editing properties in Gui::PropertyEditor.
\section Examples