ListBoxConceptImpl provides common base implementation for different List Boxes. More...
#include <kanzi/ui/node/concept/list_box.hpp>
Public Types | |
typedef shared_ptr< DefaultListBoxItemGenerator< ItemGeneratorClass > > | DefaultItemGeneratorSharedPtr |
typedef ListBoxTraits::TItemClass | ItemClass |
typedef ListBoxTraits::TItemContainerClass | ItemContainerClass |
typedef ListBoxTraits::TItemContainerGeneratorClass | ItemContainerGeneratorClass |
typedef shared_ptr< ItemContainerGeneratorClass > | ItemContainerGeneratorSharedPtr |
typedef shared_ptr< ItemContainerClass > | ItemContainerSharedPtr |
typedef ListBoxTraits::TItemGeneratorClass | ItemGeneratorClass |
typedef shared_ptr< ItemGeneratorClass > | ItemGeneratorSharedPtr |
typedef shared_ptr< ItemClass > | ItemSharedPtr |
typedef TBaseClass::LayoutVectorType | LayoutVectorType |
typedef ListBoxTraits::TPresenterClass | PresenterClass |
typedef shared_ptr< PresenterClass > | PresenterSharedPtr |
Public Types inherited from kanzi::ListBoxConcept | |
enum | SelectionBehavior { SelectionBehaviorNone, SelectionBehaviorBringToCenter } |
Behaviors for the List Box when an item in the List Box is selected. More... | |
Public Member Functions | |
bool | addContentItem (NodeSharedPtr abstractItem) override |
void | addItem (ItemSharedPtr item) |
Adds an item at the end of a list box when using the default object generator. More... | |
void | arrangeOverride (LayoutVectorType actualSize) override |
void | bringItemCenter (size_t itemIndex, bool smooth) |
Requests the List Box to bring the item in the passed itemIndex to the center of the list box area. More... | |
optional< pair< size_t, size_t > > | getAliveRange () |
Returns the range of items being alive in the buffer (based on the KeepItemsAlive property). More... | |
NodeSharedPtr | getContentItem (size_t index) override |
size_t | getContentItemCount () override |
ItemSharedPtr | getItem (size_t index) |
Gets the item at the given index in a list box. More... | |
string | getItemContainerGeneratorTypeName () const |
Gets the value of ItemContainerGeneratorTypeNameProperty. More... | |
PrefabTemplateSharedPtr | getItemContainerTemplate () const |
Gets the value of ItemContainerTemplateProperty. More... | |
size_t | getItemCount () const |
Returns the value of the ItemCountProperty. More... | |
string | getItemGeneratorTypeName () const |
Gets the value of ItemGeneratorTypeNameProperty. More... | |
optional< size_t > | getItemIndex (ItemSharedPtr item) |
Returns index of the given item. If the item does not exist currently, returns empty. More... | |
LayoutVectorType | getItemSize (size_t index) |
Returns size of the item at the given index or unbounded layout value if size could not be determined without acquiring the item first. More... | |
PrefabTemplateSharedPtr | getItemTemplate () const |
Gets the value of ItemTemplateProperty. More... | |
int | getKeepAliveItemCount () const |
Gets the value of KeepAliveItemCountProperty. More... | |
PresenterSharedPtr | getPresenter () const |
int | getSelectedItemIndex () const |
Gets the value of SelectedItemIndexProperty. More... | |
SelectionBehavior | getSelectionBehavior () const |
Gets the value of SelectionBehavior. More... | |
void | insertItem (size_t index, ItemSharedPtr item) |
Inserts an item at the given index in a list box when using the default object generator. More... | |
bool | isEmpty () |
Returns true if the list box has no items. More... | |
LayoutVectorType | measureOverride (LayoutVectorType availableSize) override |
void | notifyItemAdded (size_t index) override |
Virtual functions for notifying item changes to list. More... | |
void | notifyItemContainerChanged () |
void | notifyItemCountChanged () override |
void | notifyItemRemoved (size_t index) override |
void | notifyItemReplaced (size_t index) override |
void | removeAllContentItems () override |
void | removeAllItems () |
Removes all items from a list box when using the default object generator. More... | |
bool | removeContentItem (NodeSharedPtr abstractItem) override |
void | removeItem (size_t index) |
Removes the item at the given index from a list box when using the default object generator. More... | |
void | removeLastItem () |
Removes the last item from a list box when using the default object generator. More... | |
void | replaceItem (size_t index, ItemSharedPtr item) |
Replaces the item at the given index from a list box when using the default object generator. More... | |
void | selectItem (optional< size_t > itemIndex) |
Requests the list box to select the item in the given index. More... | |
void | setItemContainerGenerator (ItemContainerGeneratorSharedPtr itemContainerGenerator) |
Sets the list box item container generator. More... | |
void | setItemContainerGeneratorTypeName (string_view value) |
Sets the value of ItemContainerGeneratorTypeNameProperty. More... | |
void | setItemContainerTemplate (PrefabTemplateSharedPtr value) |
Sets the value of ItemContainerTemplateProperty. More... | |
void | setItemGenerator (ItemGeneratorSharedPtr itemGenerator) |
Sets the list box item generator. More... | |
void | setItemGeneratorTypeName (string_view value) |
Sets the value of ItemGeneratorTypeNameProperty. More... | |
void | setItemTemplate (PrefabTemplateSharedPtr value) |
Sets the value of ItemTemplateProperty. More... | |
void | setKeepAliveItemCount (int value) |
Sets the value of KeepAliveItemCountProperty. More... | |
void | setSelectedItemIndex (int value) |
Sets the value of SelectedItemIndexProperty. More... | |
void | setSelectionBehavior (SelectionBehavior value) |
Sets the value of SelectionBehavior. More... | |
void | updateVisibleRange (size_t beginIndex, size_t itemCount) |
Requests items from the item generator. More... | |
void | updateVisibleRange (size_t beginIndex, size_t itemCount, bool sendMessages) |
void | updateVisibleRangeQuiet (size_t beginIndex, size_t itemCount) |
Requests items from the item generator. More... | |
Public Member Functions inherited from kanzi::ContentItemCollectionModel | |
virtual | ~ContentItemCollectionModel () |
Static Public Member Functions | |
static Vector2 | doMeasure (Node2D &node) |
static Vector3 | doMeasure (Node3D &node) |
Static Public Member Functions inherited from kanzi::ListBoxConcept | |
static PropertyTypeEditorInfoSharedPtr | makeEditorInfo () |
Protected Member Functions | |
void | applySelectionBehavior (size_t itemIndex, bool smooth) |
Applies selection behavior to specified item. More... | |
void | assignItemContainerGenerator (ItemContainerGeneratorSharedPtr itemContainerGenerator) |
Assigns list box item container generator to list box. More... | |
void | assignItemGenerator (ItemGeneratorSharedPtr itemGenerator) |
Assigns list box item generator to list box. More... | |
void | initialize (PresenterSharedPtr presenter) |
ListBoxConceptImpl (Domain *domain, string_view name) | |
void | onAttached () override |
Node::onAttached() implementation. More... | |
void | onClicked (ClickManipulator::ClickMessageArguments &messageArguments) |
Handles ClickManipulator::ClickMessage. More... | |
void | onDetached () override |
Node::onDetached() implementation. More... | |
void | onNodePropertyChanged (AbstractPropertyType propertyType, PropertyNotificationReason reason) override |
Node::onNodePropertyChanged() implementation. More... | |
void | setItemContainerGeneratorByProperty () |
Creates and assigns item container generator by ItemGeneratorTypeName property value. More... | |
void | setItemGeneratorByProperty () |
Creates and assigns item generator by ItemGeneratorTypeName property value. More... | |
void | synchronizeItemCountProperty () |
Updates the ItemCountProperty. More... | |
void | synchronizeSelectedItemIndexProperty () |
Updates SelectedItemIndex property after selected item index changes internally by list box. More... | |
void | updateGenerators (ItemGeneratorSharedPtr itemGenerator, ItemContainerGeneratorSharedPtr itemContainerGenerator) |
Replaces item and item container generators with new objects. Updates items and layout accordingly. More... | |
~ListBoxConceptImpl () override | |
Static Protected Member Functions | |
static PropertyTypeEditorInfoSharedPtr | makeEditorInfo () |
Additional Inherited Members | |
Static Public Attributes inherited from kanzi::ListBoxConcept | |
static MessageType< ItemHiddenMessageArguments > | ItemHiddenMessage |
List Box node dispatches this message whenever the List Box hides one of its items. More... | |
static MessageType< ItemSelectedMessageArguments > | ItemSelectedMessage |
List Box node dispatches this message whenever an item in the List Box is selected. More... | |
static MessageType< ItemVisibleMessageArguments > | ItemVisibleMessage |
List Box node dispatches this message whenever the List Box brings one of its items visible. More... | |
static PropertyType< int > | ItemCountProperty |
Reports the number of items in the List Box, including virtual items. More... | |
static PropertyType< int > | KeepAliveItemCountProperty |
KeepAliveItemCount property. More... | |
static PropertyType< ListBoxConcept::SelectionBehavior > | SelectionBehaviorProperty |
SelectionBehavior property. More... | |
static PropertyType< string > | ItemGeneratorTypeNameProperty |
ItemGeneratorTypeName property. More... | |
static PropertyType< string > | ItemContainerGeneratorTypeNameProperty |
ItemContainerGeneratorTypeName property. More... | |
static PropertyType< ResourceSharedPtr > | ItemTemplateProperty |
ItemTemplate property. More... | |
static PropertyType< ResourceSharedPtr > | ItemContainerTemplateProperty |
ItemContainerTemplate property. More... | |
static PropertyType< int > | SelectedItemIndexProperty |
SelectedItemIndex property. More... | |
ListBoxConceptImpl provides common base implementation for different List Boxes.
List box is a layout node that contain other nodes as items. The list box provides an invisible hit testable area that listens to input and reacts when the user pans the area. The List Box then moves the items so that new items become visible and old items disappear. How this actually happens depends on the specific List Boxes.
To disable a List Box node, set the Node::EnabledProperty to false. A disabled List Box does not respond to input. To visually indicate the disabled state of a List Box node, create a state manager and use the Node::EffectivelyEnabledProperty as its controller property. When Kanzi disables a List Box node, it cancels the ongoing gestures and preserves the scroll position of that List Box node.
The list box gets its items from an item generator. By default the list box uses the DefaultListBoxItemGenerator that simply stores the items that have been added to it. It is possible to create dynamic content for the list box by replacing the item generator with a custom implementation.
The list box wraps its items in container nodes that are created by an item container generator. The default item generator creates invisible nodes that don't do anything.
typedef ListBoxTraits::TItemClass kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::ItemClass |
typedef ListBoxTraits::TItemContainerClass kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::ItemContainerClass |
typedef ListBoxTraits::TPresenterClass kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::PresenterClass |
typedef ListBoxTraits::TItemGeneratorClass kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::ItemGeneratorClass |
typedef ListBoxTraits::TItemContainerGeneratorClass kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::ItemContainerGeneratorClass |
typedef TBaseClass::LayoutVectorType kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::LayoutVectorType |
typedef shared_ptr<ItemClass> kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::ItemSharedPtr |
typedef shared_ptr<ItemContainerClass> kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::ItemContainerSharedPtr |
typedef shared_ptr<DefaultListBoxItemGenerator<ItemGeneratorClass> > kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::DefaultItemGeneratorSharedPtr |
typedef shared_ptr<ItemGeneratorClass> kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::ItemGeneratorSharedPtr |
typedef shared_ptr<ItemContainerGeneratorClass> kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::ItemContainerGeneratorSharedPtr |
typedef shared_ptr<PresenterClass> kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::PresenterSharedPtr |
|
explicitprotected |
|
overrideprotected |
|
overridevirtual |
Implements kanzi::ContentItemCollectionModel.
|
overridevirtual |
Implements kanzi::ContentItemCollectionModel.
|
overridevirtual |
Implements kanzi::ContentItemCollectionModel.
|
overridevirtual |
Implements kanzi::ContentItemCollectionModel.
|
overridevirtual |
Implements kanzi::ContentItemCollectionModel.
|
inline |
optional< pair< size_t, size_t > > kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getAliveRange | ( | ) |
Returns the range of items being alive in the buffer (based on the KeepItemsAlive property).
Returned pair contains the index of the first and the item count. If the virtual range does not exist, returns empty.
bool kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::isEmpty | ( | ) |
Returns true if the list box has no items.
ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::LayoutVectorType kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getItemSize | ( | size_t | index | ) |
Returns size of the item at the given index or unbounded layout value if size could not be determined without acquiring the item first.
optional< size_t > kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getItemIndex | ( | ItemSharedPtr | item | ) |
Returns index of the given item. If the item does not exist currently, returns empty.
ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::ItemSharedPtr kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getItem | ( | size_t | index | ) |
Gets the item at the given index in a list box.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::insertItem | ( | size_t | index, |
ItemSharedPtr | item | ||
) |
Inserts an item at the given index in a list box when using the default object generator.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::removeItem | ( | size_t | index | ) |
Removes the item at the given index from a list box when using the default object generator.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::replaceItem | ( | size_t | index, |
ItemSharedPtr | item | ||
) |
Replaces the item at the given index from a list box when using the default object generator.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::addItem | ( | ItemSharedPtr | item | ) |
Adds an item at the end of a list box when using the default object generator.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::removeLastItem | ( | ) |
Removes the last item from a list box when using the default object generator.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::removeAllItems | ( | ) |
Removes all items from a list box when using the default object generator.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::selectItem | ( | optional< size_t > | itemIndex | ) |
Requests the list box to select the item in the given index.
itemIndex | The index of the selected item. Set to empty to clear the selection. |
|
overridevirtual |
Virtual functions for notifying item changes to list.
Implements kanzi::ListBoxConcept.
|
overridevirtual |
Implements kanzi::ListBoxConcept.
|
overridevirtual |
Implements kanzi::ListBoxConcept.
|
overridevirtual |
Implements kanzi::ListBoxConcept.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::notifyItemContainerChanged | ( | ) |
|
static |
|
static |
|
override |
|
override |
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::updateVisibleRangeQuiet | ( | size_t | beginIndex, |
size_t | itemCount | ||
) |
Requests items from the item generator.
Called by the presenter when new items are displayed or old items hidden.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::updateVisibleRange | ( | size_t | beginIndex, |
size_t | itemCount | ||
) |
Requests items from the item generator.
Called by the presenter when new items are displayed or old items hidden. Sends messages about hidden and revealed items.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::updateVisibleRange | ( | size_t | beginIndex, |
size_t | itemCount, | ||
bool | sendMessages | ||
) |
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::bringItemCenter | ( | size_t | itemIndex, |
bool | smooth | ||
) |
Requests the List Box to bring the item in the passed itemIndex to the center of the list box area.
itemIndex | The index of the focused item. |
smooth | To animate the movement of the target item to the center of the list box area, set to true. To move the target item to the center of the list box area immediately, set to false. |
size_t kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getItemCount | ( | ) | const |
Returns the value of the ItemCountProperty.
int kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getKeepAliveItemCount | ( | ) | const |
Gets the value of KeepAliveItemCountProperty.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::setKeepAliveItemCount | ( | int | value | ) |
Sets the value of KeepAliveItemCountProperty.
int kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getSelectedItemIndex | ( | ) | const |
Gets the value of SelectedItemIndexProperty.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::setSelectedItemIndex | ( | int | value | ) |
Sets the value of SelectedItemIndexProperty.
ListBoxConcept::SelectionBehavior kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getSelectionBehavior | ( | ) | const |
Gets the value of SelectionBehavior.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::setSelectionBehavior | ( | SelectionBehavior | value | ) |
Sets the value of SelectionBehavior.
string kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getItemGeneratorTypeName | ( | ) | const |
Gets the value of ItemGeneratorTypeNameProperty.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::setItemGeneratorTypeName | ( | string_view | value | ) |
Sets the value of ItemGeneratorTypeNameProperty.
string kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getItemContainerGeneratorTypeName | ( | ) | const |
Gets the value of ItemContainerGeneratorTypeNameProperty.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::setItemContainerGeneratorTypeName | ( | string_view | value | ) |
Sets the value of ItemContainerGeneratorTypeNameProperty.
PrefabTemplateSharedPtr kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getItemTemplate | ( | ) | const |
Gets the value of ItemTemplateProperty.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::setItemTemplate | ( | PrefabTemplateSharedPtr | value | ) |
Sets the value of ItemTemplateProperty.
PrefabTemplateSharedPtr kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::getItemContainerTemplate | ( | ) | const |
Gets the value of ItemContainerTemplateProperty.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::setItemContainerTemplate | ( | PrefabTemplateSharedPtr | value | ) |
Sets the value of ItemContainerTemplateProperty.
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::setItemGenerator | ( | ItemGeneratorSharedPtr | itemGenerator | ) |
Sets the list box item generator.
itemGenerator | New item generator. |
void kanzi::ListBoxConceptImpl< TBaseClass, TDerivedClass, ListBoxTraits >::setItemContainerGenerator | ( | ItemContainerGeneratorSharedPtr | itemContainerGenerator | ) |
Sets the list box item container generator.
itemContainerGenerator | New item container generator. |
|
protected |
|
protected |
Handles ClickManipulator::ClickMessage.
|
overrideprotected |
Node::onAttached() implementation.
|
overrideprotected |
Node::onDetached() implementation.
|
overrideprotected |
Node::onNodePropertyChanged() implementation.
|
protected |
Applies selection behavior to specified item.
itemIndex | index of the item to which selection behavior should be applied. |
smooth | indicates if selection should be immediate or smooth. |
|
protected |
Assigns list box item generator to list box.
|
protected |
Creates and assigns item generator by ItemGeneratorTypeName property value.
|
protected |
Assigns list box item container generator to list box.
|
protected |
Creates and assigns item container generator by ItemGeneratorTypeName property value.
|
protected |
Replaces item and item container generators with new objects. Updates items and layout accordingly.
|
protected |
Updates SelectedItemIndex property after selected item index changes internally by list box.
|
protected |
Updates the ItemCountProperty.
|
inlinestaticprotected |