kanzi::DataObject Class Reference

DataObject is the base class for data. More...

#include <kanzi/core.ui/data/data_object.hpp>

Inheritance diagram for kanzi::DataObject:
kanzi::DataContext kanzi::Resource kanzi::Object kanzi::MetaObject kanzi::PropertyObject kanzi::DataObjectEnumBase kanzi::DataObjectList kanzi::DataObjectTyped< DataType, DataTypeEnum > kanzi::DataObjectEnum< DataType >

Public Types

enum  Type {
  Object, Integer, Real, Bool,
  String, Enum, List
}
 Type enumerations for different data object types. More...
 
typedef vector< DataObjectSharedPtrChildContainer
 Iterators for children. More...
 
typedef ChildContainer::const_iterator ChildConstIterator
 
typedef ChildContainer::const_reverse_iterator ChildConstReverseIterator
 
- Public Types inherited from kanzi::DataContext
typedef function< void()> ModifiedFunction
 Callback function type for change subscriptions. More...
 
typedef shared_ptr< void > ModifiedSubscriptionToken
 Token type that can be used to identify the change subscription. More...
 
- Public Types inherited from kanzi::PropertyObject
typedef intrusive_ptr< AbstractPropertyTypeDescriptor::PropertyStoragePropertyStoragePtr
 
typedef vector< PropertyStoragePtrPropertyStorageContainer
 
typedef PropertyStorageContainer::iterator PropertyStorageIterator
 
typedef PropertyStorageContainer::const_iterator PropertyStorageConstIterator
 
typedef PropertyStorageContainer::reverse_iterator PropertyStorageReverseIterator
 

Public Member Functions

 DataObject (Domain *domain, string_view name)
 Standard constructor. More...
 
string getName () const
 Allows to retrieve the name of the object. More...
 
void setName (string_view value)
 Sets the name of the object. More...
 
virtual Type getType () const
 Allows to retrieve the type of the object. More...
 
size_t getChildCount () const
 Retrieves the count of child objects in this data object. More...
 
DataObjectSharedPtr getChild (size_t index) const
 Retrieves a child object in given index. More...
 
size_t getChildIndex (const DataObject &child) const
 Retrieves the index of a child data object. More...
 
bool hasChild (const DataObject &child) const
 Checks whether or not the child exists. More...
 
void addChild (const DataObjectSharedPtr &child)
 Adds data object as child of this object. More...
 
void insertChild (size_t index, const DataObjectSharedPtr &child)
 Inserts data object as child of this object, allows to specify index of the object. More...
 
void removeChild (const DataObject &child)
 Removes a child object from list of childs. More...
 
void removeChild (size_t index)
 Removes a child object in given index. More...
 
void removeAllChildren ()
 Removes all children. More...
 
ChildConstIterator beginChildren () const
 Returns iterator to start of the child container. More...
 
ChildConstIterator endChildren () const
 Returns iterator in the end of the child container. More...
 
DataObjectSharedPtr findChild (string_view name)
 Tries to find a child with given name. More...
 
virtual DataObjectSharedPtr getData () KZ_OVERRIDE
 DataContext interface. More...
 
virtual DataContextSharedPtr lookupDataContext (string_view relativePath) KZ_OVERRIDE
 Performs object look-up by path. More...
 
- Public Member Functions inherited from kanzi::DataContext
ModifiedSubscriptionToken addModifiedNotificationHandler (ModifiedFunction callback)
 Allows to subscribe to modifications in this data context. More...
 
void removeModifiedNotificationHandler (ModifiedSubscriptionToken token)
 Allows to unsubscribe from modifications in this data context. More...
 
void notifyModified ()
 Triggers modification procedure in this data context, which invokes the subscriptions. More...
 
template<typename Type >
shared_ptr< Type > lookupDataContextOfType (string_view relativePath)
 
ResourceSharedPtr getDataContext () const
 Gets the value of DataContextProperty. More...
 
void setDataContext (ResourceSharedPtr value)
 Sets the value of DataContextProperty. More...
 
ResourceSharedPtr getItemsSource () const
 Gets the value of ItemsSourceProperty. More...
 
void setItemsSource (ResourceSharedPtr value)
 Sets the value of ItemsSourceProperty. More...
 
- Public Member Functions inherited from kanzi::Resource
KzcMemoryManagergetMemoryManager () const
 
 Resource (Domain *domain, string_view name)
 
virtual ~Resource ()
 
virtual void loadFromKZB (const KzuResourceLoaderThreadContext *threadContext, KzcInputStream *inputStream, const KzuBinaryFileInfo *file)
 Function for loading the resource from .KZB. More...
 
virtual void unloadOverride ()
 Unload function for resource. Releases all CPU memory taken by the resource except the resource loader. More...
 
virtual unsigned int getCPUMemoryUsage () const
 Function for getting the memory usage of a resource. More...
 
void setKZB (const KzuBinaryDirectory *binaryDirectory, string_view path)
 Set the binary directory and path of the resource. More...
 
const string & getName () const
 Gets the resource name. More...
 
const string & getUrl () const
 Gets the resource URL. More...
 
void setUrl (string_view url)
 Sets the resource URL. More...
 
void setNotLoaded ()
 
bool isFromKZB () const
 
void reload ()
 
void reloadFromKzb (KzcInputStream *inputStream, const KzuBinaryFileInfo *file)
 
void reloadFromKzb (KzbFile &kzbFile, ReadOnlyMemoryFile &file, KzbMemoryParser &parser)
 
void reloadFromFile (string_view filePath)
 
void load ()
 
void unload ()
 
bool isLoaded () const
 
void kzuResourceLoad_private (const KzuResourceLoaderThreadContext *threadContext)
 Private function for kzuResourceLoad() with specified thread context. More...
 
void kzuResourceFinishLoading_private (const KzuResourceLoaderThreadContext *threadContext)
 Private function for finishing the loading of the resource. More...
 
bool isKeepAlive () const
 Tells if the resource has keep alive flag set. More...
 
void setKeepAlive (bool keepAlive)
 Sets the keep alive flag. More...
 
- Public Member Functions inherited from kanzi::Object
 Object (Domain *domain)
 
virtual ~Object ()
 
DomaingetDomain () const
 Returns the domain the object belongs to. More...
 
KzuTaskSchedulergetTaskScheduler () const
 Returns the task scheduler of the object. More...
 
KzuMessageDispatchergetMessageDispatcher () const
 Returns the message dispatcher of the object. More...
 
ResourceManagergetResourceManager () const
 Returns the resource manager of the object. More...
 
virtual const MetaclassgetDynamicMetaclass () const KZ_OVERRIDE
 Returns the metaclass of the dynamic type of the object. More...
 
AppliedStyleEntryapplyObjectStyle (kanzi::StyleSharedPtr style)
 Applies a style to an object. More...
 
void unapplyObjectStyle (AppliedStyleEntry *appliedStyleEntry)
 
void applyObjectStyles ()
 Apply all styles for an object node. More...
 
void unapplyObjectStyles ()
 Unapplies and removes all applied styles. More...
 
- Public Member Functions inherited from kanzi::MetaObject
virtual ~MetaObject ()
 
bool isTypeOf (const Metaclass *objectType) const
 Determines if the type of this object is the given type or derived from it. More...
 
- Public Member Functions inherited from kanzi::PropertyObject
 PropertyObject ()
 
virtual ~PropertyObject ()
 
template<typename DataType >
void setProperty (const PropertyType< DataType > &propertyType, typename PropertyType< DataType >::Traits::ParameterType value)
 Sets the local value of a property. More...
 
void removeKzbProperties ()
 
template<typename DataType >
PropertyType< DataType >::Traits::ReturnType getProperty (const PropertyType< DataType > &propertyType) const
 Returns the current value of a property. More...
 
template<typename DataType >
optional< typename PropertyType< DataType >::Traits::ReturnType > getOptionalProperty (const PropertyType< DataType > &propertyType) const
 Evaluates the property value in the same way as the overload above but does not default to the value in property metadata if there are no inputs to the property value. More...
 
template<typename DataType >
PropertyType< DataType >::Traits::ReturnType getPropertyBase (const PropertyType< DataType > &propertyType) const
 Returns the current value of a property disregarding modifiers. More...
 
template<typename DataType >
void setAbstractProperty (AbstractPropertyType abstractPropertyType, typename PropertyType< DataType >::Traits::ParameterType value)
 
template<typename DataType >
PropertyType< DataType >::Traits::ReturnType getAbstractProperty (AbstractPropertyType abstractPropertyType) const
 
template<typename DataType >
PropertyType< DataType >::Traits::ReturnType getAbstractPropertyBase (AbstractPropertyType abstractPropertyType) const
 
template<typename DataType >
optional< typename PropertyType< DataType >::Traits::ReturnType > getOptionalAbstractProperty (AbstractPropertyType abstractPropertyType) const
 
void setPropertyFlag (AbstractPropertyType propertyType, uint32_t flag)
 
bool isPropertyFlagSet (AbstractPropertyType propertyType, uint32_t flag) const
 
void clearPropertyFlag (AbstractPropertyType propertyType, uint32_t flag)
 
bool hasValue (AbstractPropertyType propertyType) const
 Evaluates whether there are any inputs into the property value. More...
 
bool hasBaseValue (AbstractPropertyType propertyType) const
 Evaluates whether there are any inputs into the property value, disregarding modifiers. More...
 
bool hasLocalValue (AbstractPropertyType propertyType) const
 Evaluates whether there is a local value set for the property. More...
 
bool hasNonClassValue (AbstractPropertyType propertyType) const
 Evaluates whether there is a value of any precedence higher than class default value set for the property. More...
 
void removeLocalValue (AbstractPropertyType propertyType)
 Removes the local value associated with the property. More...
 
void copyLocalValue (const PropertyObject &other, AbstractPropertyType propertyType)
 Copies local value of single property from another object. More...
 
void copyLocalValues (const PropertyObject &other)
 Copies all local values from another object. More...
 
virtual void onPropertyChanged (AbstractPropertyType propertyType, PropertyNotificationReason reason)
 Virtual function to handle property change notifications. More...
 
template<typename DataType >
void addPropertyValueSource (const PropertyType< DataType > &propertyType, typename PropertyType< DataType >::Descriptor::TypedValueSource *valueSource, PropertyValuePrecedence precedence, void *owner)
 
template<typename DataType >
void removePropertyValueSource (const PropertyType< DataType > &propertyType, typename PropertyType< DataType >::Descriptor::TypedValueSource *valueSource, void *owner)
 
template<typename DataType >
void addPropertyModifier (const PropertyType< DataType > &propertyType, typename PropertyType< DataType >::Descriptor::ModifierCallback callback, void *owner)
 
template<typename DataType >
void removePropertyModifier (const PropertyType< DataType > &propertyType, typename PropertyType< DataType >::Descriptor::ModifierCallback callback, void *owner)
 
void validatePropertyModifiers (AbstractPropertyType propertyType)
 
template<typename DataType >
void addPropertyNotificationHandler (const PropertyType< DataType > &propertyType, typename PropertyType< DataType >::Descriptor::NotificationCallback callback, void *owner)
 
template<typename DataType >
void removePropertyNotificationHandler (const PropertyType< DataType > &propertyType, typename PropertyType< DataType >::Descriptor::NotificationCallback callback, void *owner)
 
template<typename DataType >
size_t getPropertyNotificationHandlerCount (const PropertyType< DataType > &propertyType)
 Gets number of current notification handlers for given property type. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from kanzi::DataContext
static PropertyTypeEditorInfoSharedPtr makeEditorInfo ()
 
- Static Public Member Functions inherited from kanzi::Object
static const MetaclassgetStaticMetaclass ()
 Returns the metaclass of Object class. More...
 
static PropertyTypeEditorInfoSharedPtr makeEditorInfo ()
 Default implementation that returns empty editor info. More...
 
- Static Public Member Functions inherited from kanzi::MetaObject
static const MetaclassgetStaticMetaclass ()
 Returns the metaclass of Object class. More...
 
static PropertyTypeEditorInfoSharedPtr makeEditorInfo ()
 Default implementation that returns empty editor info. More...
 
- Static Public Attributes inherited from kanzi::DataContext
static PropertyType< ResourceSharedPtrDataContextProperty
 DataContext property. More...
 
static PropertyType< ResourceSharedPtrItemsSourceProperty
 ItemsSource property. More...
 
- Protected Types inherited from kanzi::Object
typedef vector< AppliedStyleEntry * > AppliedStyleContainer
 Applied style container. More...
 
- Protected Member Functions inherited from kanzi::DataContext
 DataContext (Domain *domain, string_view name)
 Protected standard constructor. More...
 
- Protected Member Functions inherited from kanzi::Resource
virtual void reloadOverride ()
 
virtual void reloadFromKzbOverride (KzcInputStream *inputStream, const KzuBinaryFileInfo *file)
 
virtual void reloadFromKzbOverride (KzbFile &kzbFile, ReadOnlyMemoryFile &file, KzbMemoryParser &parser)
 
virtual void reloadFromFileOverride (string_view filePath)
 
virtual unsigned int getCPUMemoryUsageOverride () const
 
- Protected Member Functions inherited from kanzi::Object
void initialize ()
 
void onCopy (const Object &other)
 
- Protected Member Functions inherited from kanzi::MetaObject
 MetaObject ()
 
void initialize ()
 
- Protected Member Functions inherited from kanzi::PropertyObject
void addPropertyValueSource (AbstractPropertyTypeDescriptor &descriptor, AbstractPropertyTypeDescriptor::ValueSource *valueSource, PropertyValuePrecedence precedence, void *owner)
 
void removePropertyValueSource (AbstractPropertyTypeDescriptor &descriptor, AbstractPropertyTypeDescriptor::ValueSource *valueSource, void *owner)
 
AbstractPropertyTypeDescriptor::ValueSourceEntrygetTopValueSourceEntry (AbstractPropertyTypeDescriptor::PropertyStorage &propertyStorage) const
 
AbstractPropertyTypeDescriptor::ValueSourceEntrygetTopValueSourceEntry (AbstractPropertyTypeDescriptor &descriptor) const
 
AbstractPropertyTypeDescriptor::ValueSourcegetTopValueSource (AbstractPropertyTypeDescriptor &descriptor) const
 
AbstractPropertyTypeDescriptor::ValueSourcegetFinalValueSource (AbstractPropertyTypeDescriptor &descriptor) const
 
AbstractPropertyTypeDescriptor::ValueSourcegetNonClassValueSource (AbstractPropertyTypeDescriptor &descriptor) const
 
AbstractPropertyTypeDescriptor::ValueSourcegetClassValueSource (AbstractPropertyTypeDescriptor &descriptor) const
 
AbstractPropertyTypeDescriptor::ValueSourceEntryfindLocalValueSourceEntry (AbstractPropertyTypeDescriptor::PropertyStorage &propertyStorage)
 
AbstractPropertyTypeDescriptor::ValueSourceEntryconstructLocalValueSourceEntry (AbstractPropertyTypeDescriptor &descriptor, AbstractPropertyTypeDescriptor::PropertyStorage &propertyStorage)
 
AbstractPropertyTypeDescriptor::ValueSourceEntryacquireLocalValueSourceEntry (AbstractPropertyTypeDescriptor &descriptor)
 
AbstractPropertyTypeDescriptor::PropertyStoragefindPropertyStorage (AbstractPropertyTypeDescriptor &descriptor) const
 
PropertyStoragePtr findPropertyStoragePtr (AbstractPropertyTypeDescriptor &descriptor) const
 Gets property storage intrusive pointer that can be used to hold a reference until end of operation. More...
 
PropertyStoragePtr constructPropertyStorage (AbstractPropertyTypeDescriptor &descriptor)
 
PropertyStoragePtr acquirePropertyStorage (AbstractPropertyTypeDescriptor &descriptor)
 
AbstractPropertyTypeDescriptor::ModifierStorageacquireModifierStorage (AbstractPropertyTypeDescriptor &descriptor)
 
AbstractPropertyTypeDescriptor::ModifierStoragefindModifierStorage (AbstractPropertyTypeDescriptor &descriptor)
 
AbstractPropertyTypeDescriptor::NotificationStorageacquireNotificationStorage (AbstractPropertyTypeDescriptor &descriptor)
 
AbstractPropertyTypeDescriptor::NotificationStoragefindNotificationStorage (AbstractPropertyTypeDescriptor &descriptor)
 
AbstractPropertyTypeDescriptorfindPropertyTypeDescriptorByUnqualifiedNameAndDataType (string_view unqualifiedName, PropertyDataType dataType)
 
void validatePropertyModifiersAndNotifyHandlers (PropertyStoragePtr &propertyStorage)
 
void copyLocalValue (const AbstractPropertyTypeDescriptor::PropertyStorage &propertyStorage)
 Copy local value from property storage. More...
 
PropertyStorageContainer::iterator beginPropertyStorage ()
 
PropertyStorageContainer::iterator endPropertyStorage ()
 
virtual void notifyPropertyHandlers (PropertyStoragePtr &propertyStorage, PropertyNotificationReason reason)
 
void onCopy (const PropertyObject &other)
 
- Protected Attributes inherited from kanzi::Object
AppliedStyleContainer m_appliedStyles
 Listing of applied styles applied to this object. More...
 

Detailed Description

DataObject is the base class for data.

All data within the data source is described as a tree of data objects. The base class provides support for the hierarchy as the derived classes provide support for different value types.

Member Typedef Documentation

Iterators for children.

typedef ChildContainer::const_iterator kanzi::DataObject::ChildConstIterator
typedef ChildContainer::const_reverse_iterator kanzi::DataObject::ChildConstReverseIterator

Member Enumeration Documentation

Type enumerations for different data object types.

Enumerator
Object 
Integer 
Real 
Bool 
String 
Enum 
List 

Constructor & Destructor Documentation

kanzi::DataObject::DataObject ( Domain domain,
string_view  name 
)
explicit

Standard constructor.

Parameters
nameName of the data object.

Member Function Documentation

string kanzi::DataObject::getName ( ) const

Allows to retrieve the name of the object.

Returns
Returns the name of the object.
void kanzi::DataObject::setName ( string_view  value)

Sets the name of the object.

Parameters
valueNew name that is assigned to object.
virtual Type kanzi::DataObject::getType ( ) const
inlinevirtual

Allows to retrieve the type of the object.

Returns
Type enumeration of the object.

Reimplemented in kanzi::DataObjectTyped< DataType, DataTypeEnum >, kanzi::DataObjectEnumBase, and kanzi::DataObjectList.

size_t kanzi::DataObject::getChildCount ( ) const

Retrieves the count of child objects in this data object.

Returns
Child object count.
DataObjectSharedPtr kanzi::DataObject::getChild ( size_t  index) const

Retrieves a child object in given index.

Returns
Child data object in given index.
size_t kanzi::DataObject::getChildIndex ( const DataObject child) const

Retrieves the index of a child data object.

Returns
Index of the item in question, throws exception if there is no such child.
bool kanzi::DataObject::hasChild ( const DataObject child) const

Checks whether or not the child exists.

Returns
true if there is such child, otherwise false.
void kanzi::DataObject::addChild ( const DataObjectSharedPtr child)

Adds data object as child of this object.

Parameters
childChild object to add.
void kanzi::DataObject::insertChild ( size_t  index,
const DataObjectSharedPtr child 
)

Inserts data object as child of this object, allows to specify index of the object.

Parameters
indexIndex where to add given object.
childChild object to add.
void kanzi::DataObject::removeChild ( const DataObject child)

Removes a child object from list of childs.

Parameters
childChild object to remove.
void kanzi::DataObject::removeChild ( size_t  index)

Removes a child object in given index.

Parameters
Indexof the child object to remove.
void kanzi::DataObject::removeAllChildren ( )

Removes all children.

ChildConstIterator kanzi::DataObject::beginChildren ( ) const

Returns iterator to start of the child container.

Returns
Iterator at the beginning of the container.
ChildConstIterator kanzi::DataObject::endChildren ( ) const

Returns iterator in the end of the child container.

Returns
Iterator in the end of the container.
DataObjectSharedPtr kanzi::DataObject::findChild ( string_view  name)

Tries to find a child with given name.

Returns
Child object that was found, or empty pointer if there is no such child.
virtual DataObjectSharedPtr kanzi::DataObject::getData ( )
virtual

DataContext interface.

Implements kanzi::DataContext.

virtual DataContextSharedPtr kanzi::DataObject::lookupDataContext ( string_view  relativePath)
virtual

Performs object look-up by path.

Parameters
relativePathPath of the object where to look at, separated by '.'.
Returns
Data object that was found, or empty pointer if there was no such object.

Implements kanzi::DataContext.


The documentation for this class was generated from the following file: