Class CollectionView

A View that contain a templated list of items.

Inheritance

System.Object

CollectionView

Implements

ICollectionViewController

Namespace: Tizen.UIExtensions.NUI

Assembly: Tizen.UIExtensions.NUI.dll

Syntax

public class CollectionView : View, ICollectionViewController

Constructors

CollectionView()

Initializes a new instance of the CollectionView class.

Declaration

public CollectionView()

Properties

Adaptor

Gets or sets ItemAdaptor to adapt items source

Declaration

public ItemAdaptor Adaptor { get; set; }

Property Value

Type	Description
ItemAdaptor

AllocatedSize

A size of allocated by Layout, it become viewport size on scrolling

Declaration

protected Size AllocatedSize { get; set; }

Property Value

Type	Description
Size

Count

The number of items on CollectionView

Declaration

public int Count { get; }

Property Value

Type	Description
System.Int32

LayoutManager

Gets or sets LayoutManager to organize position of item

Declaration

public ICollectionViewLayoutManager LayoutManager { get; set; }

Property Value

Type	Description
ICollectionViewLayoutManager

ScrollCanvasSize

A size of scrolling area

Declaration

public Size ScrollCanvasSize { get; }

Property Value

Type	Description
Size

ScrollView

Gets a ScrollView instance that used in CollectionView

Declaration

public ScrollableBase ScrollView { get; }

Property Value

Type	Description
ScrollableBase

SelectedItems

Selected items

Declaration

public IEnumerable<int> SelectedItems { get; }

Property Value

Type	Description
System.Collections.Generic.IEnumerable<System.Int32>

SelectionMode

Gets or sets a value that controls whether and how many items can be selected.

Declaration

public CollectionViewSelectionMode SelectionMode { get; set; }

Property Value

Type	Description
CollectionViewSelectionMode

Methods

CreateScrollView()

Create a ScrollView to use in CollectionView

Declaration

protected virtual ScrollableBase CreateScrollView()

Returns

Type	Description
ScrollableBase	A ScrollView instance

CreateViewHolder()

Create a ViewHolder, override it to customzie a decoration of view

Declaration

protected virtual ViewHolder CreateViewHolder()

Returns

Type	Description
ViewHolder	A ViewHolder instance

InitializationComponent()

Initialize internal components, such as ScrollView

Declaration

protected virtual void InitializationComponent()

RequestItemSelect(Int32)

Request item selection

Declaration

public void RequestItemSelect(int index)

Parameters

Type	Name	Description
System.Int32	index	Index of item

RequestItemUnselect(Int32)

Request item unselection

Declaration

public void RequestItemUnselect(int index)

Parameters

Type	Name	Description
System.Int32	index	Index of item

ScrollTo(Int32, ScrollToPosition, Boolean)

Scrolls the CollectionView to the index

Declaration

public void ScrollTo(int index, ScrollToPosition position = ScrollToPosition.MakeVisible, bool animate = true)

Parameters

Type	Name	Description
System.Int32	index	Index of item
ScrollToPosition	position	How the item should be positioned on screen.
System.Boolean	animate	Whether or not the scroll should be animated.

ScrollTo(Object, ScrollToPosition, Boolean)

Scrolls the CollectionView to the item

Declaration

public void ScrollTo(object item, ScrollToPosition position = ScrollToPosition.MakeVisible, bool animate = true)

Parameters

Type	Name	Description
System.Object	item	Item to scroll
ScrollToPosition	position	How the item should be positioned on screen.
System.Boolean	animate	Whether or not the scroll should be animated.

Events

Scrolled

Event that is raised after a scroll completes.

Declaration

public event EventHandler<CollectionViewScrolledEventArgs> Scrolled

Event Type

Type	Description
System.EventHandler<CollectionViewScrolledEventArgs>

Explicit Interface Implementations

ICollectionViewController.ContentSizeUpdated()

Declaration

void ICollectionViewController.ContentSizeUpdated()

ICollectionViewController.GetItemSize()

Declaration

Size ICollectionViewController.GetItemSize()

Returns

Type	Description
Size

ICollectionViewController.GetItemSize(Double, Double)

Declaration

Size ICollectionViewController.GetItemSize(double widthConstraint, double heightConstraint)

Parameters

Type	Name	Description
System.Double	widthConstraint
System.Double	heightConstraint

Returns

Type	Description
Size

ICollectionViewController.GetItemSize(Int32, Double, Double)

Declaration

Size ICollectionViewController.GetItemSize(int index, double widthConstraint, double heightConstraint)

Parameters

Type	Name	Description
System.Int32	index
System.Double	widthConstraint
System.Double	heightConstraint

Returns

Type	Description
Size

ICollectionViewController.ItemMeasureInvalidated(Int32)

Declaration

void ICollectionViewController.ItemMeasureInvalidated(int index)

Parameters

Type	Name	Description
System.Int32	index

ICollectionViewController.RealizeView(Int32)

Declaration

ViewHolder ICollectionViewController.RealizeView(int index)

Parameters

Type	Name	Description
System.Int32	index

Returns

Type	Description
ViewHolder

ICollectionViewController.RequestItemSelect(Int32)

Declaration

void ICollectionViewController.RequestItemSelect(int index)

Parameters

Type	Name	Description
System.Int32	index

ICollectionViewController.RequestLayoutItems()

Declaration

void ICollectionViewController.RequestLayoutItems()

ICollectionViewController.UnrealizeView(ViewHolder)

Declaration

void ICollectionViewController.UnrealizeView(ViewHolder view)

Parameters

Type	Name	Description
ViewHolder	view

Implements

ICollectionViewController