Class ItemAdaptor

Base class for an Adapter Adapters provide a binding from an app-specific data set to views that are displayed within a CollectionView.

Inheritance

System.Object

ItemAdaptor

Implements

System.Collections.Specialized.INotifyCollectionChanged

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Tizen.UIExtensions.ElmSharp

Assembly: Tizen.UIExtensions.ElmSharp.dll

Syntax

public abstract class ItemAdaptor : INotifyCollectionChanged

Constructors

ItemAdaptor(IEnumerable)

Initializes a new instance of the ItemAdaptor class.

Declaration

protected ItemAdaptor(IEnumerable items)

Parameters

Type	Name	Description
System.Collections.IEnumerable	items	Items soruce

Properties

CollectionView

A CollectionView associated with current Adaptor

Declaration

public CollectionView CollectionView { get; set; }

Property Value

Type	Description
CollectionView

Count

the number of items

Declaration

public int Count { get; }

Property Value

Type	Description
System.Int32

Item[Int32]

Declaration

public object this[int index] { get; }

Parameters

Type	Name	Description
System.Int32	index

Property Value

Type	Description
System.Object

Methods

CreateNativeView(EvasObject)

Create a new view

Declaration

public abstract EvasObject CreateNativeView(EvasObject parent)

Parameters

Type	Name	Description
EvasObject	parent

Returns

Type	Description
EvasObject	Created view

CreateNativeView(Int32, EvasObject)

Create a new view

Declaration

public abstract EvasObject CreateNativeView(int index, EvasObject parent)

Parameters

Type	Name	Description
System.Int32	index	To used item when create a view
EvasObject	parent

Returns

Type	Description
EvasObject	Created view

GetFooterView(EvasObject)

Create a footer view, if footer is not existed, null will be returned

Declaration

public abstract EvasObject GetFooterView(EvasObject parent)

Parameters

Type	Name	Description
EvasObject	parent

Returns

Type	Description
EvasObject	A created view

GetHeaderView(EvasObject)

Create a header view, if header is not existed, null will be returned

Declaration

public abstract EvasObject GetHeaderView(EvasObject parent)

Parameters

Type	Name	Description
EvasObject	parent

Returns

Type	Description
EvasObject	A created view

GetItemIndex(Object)

Find item index by item

Declaration

public int GetItemIndex(object item)

Parameters

Type	Name	Description
System.Object	item	item to find

Returns

Type	Description
System.Int32	index of item

GetViewCategory(Int32)

A view category that represent a item, it use to distinguish kinds of view

Declaration

public virtual object GetViewCategory(int index)

Parameters

Type	Name	Description
System.Int32	index	item index

Returns

Type	Description
System.Object	An identifier of category

MeasureFooter(Int32, Int32)

Measure Footer size

Declaration

public abstract ElmSharp.Size MeasureFooter(int widthConstraint, int heightConstraint)

Parameters

Type	Name	Description
System.Int32	widthConstraint	A width size that could be reached as maximum
System.Int32	heightConstraint	A height size that could be reached as maximum

Returns

Type	Description
ElmSharp.Size	Footer size

MeasureHeader(Int32, Int32)

Measure header size

Declaration

public abstract ElmSharp.Size MeasureHeader(int widthConstraint, int heightConstraint)

Parameters

Type	Name	Description
System.Int32	widthConstraint	A width size that could be reached as maximum
System.Int32	heightConstraint	A height size that could be reached as maximum

Returns

Type	Description
ElmSharp.Size	Header size

MeasureItem(Int32, Int32)

Measure item size

Declaration

public abstract ElmSharp.Size MeasureItem(int widthConstraint, int heightConstraint)

Parameters

Type	Name	Description
System.Int32	widthConstraint	A width size that could be reached as maximum
System.Int32	heightConstraint	A height size that could be reached as maximum

Returns

Type	Description
ElmSharp.Size	Item size

MeasureItem(Int32, Int32, Int32)

Measure item size

Declaration

public abstract ElmSharp.Size MeasureItem(int index, int widthConstraint, int heightConstraint)

Parameters

Type	Name	Description
System.Int32	index	A item index to measure
System.Int32	widthConstraint	A width size that could be reached as maximum
System.Int32	heightConstraint	A height size that could be reached as maximum

Returns

Type	Description
ElmSharp.Size	Item size

RemoveNativeView(EvasObject)

Remove view, a created view by Adaptor, should be removed by Adaptor

Declaration

public abstract void RemoveNativeView(EvasObject native)

Parameters

Type	Name	Description
EvasObject	native	A view to remove

RequestItemSelected(Object)

Declaration

public void RequestItemSelected(object item)

Parameters

Type	Name	Description
System.Object	item

SendItemSelected(Int32)

Handle Selected item

Declaration

public virtual void SendItemSelected(int index)

Parameters

Type	Name	Description
System.Int32	index

SetBinding(EvasObject, Int32)

Set data binding between view and item

Declaration

public abstract void SetBinding(EvasObject view, int index)

Parameters

Type	Name	Description
EvasObject	view	A target view
System.Int32	index	A target item

SetItemsSource(IEnumerable)

Sets ItemsSource

Declaration

protected void SetItemsSource(IEnumerable items)

Parameters

Type	Name	Description
System.Collections.IEnumerable	items	Items source

UnBinding(EvasObject)

Unset data binding on view

Declaration

public abstract void UnBinding(EvasObject view)

Parameters

Type	Name	Description
EvasObject	view	A view to unbinding

UpdateViewState(EvasObject, ViewHolderState)

Update View state

Declaration

public virtual void UpdateViewState(EvasObject view, ViewHolderState state)

Parameters

Type	Name	Description
EvasObject	view	A view to update
ViewHolderState	state	State of view

Events

ItemSelected

Declaration

public event EventHandler<SelectedItemChangedEventArgs> ItemSelected

Event Type

Type	Description
System.EventHandler<SelectedItemChangedEventArgs>

Explicit Interface Implementations

INotifyCollectionChanged.CollectionChanged

Declaration

event NotifyCollectionChangedEventHandler INotifyCollectionChanged.CollectionChanged

Returns

Type	Description
System.Collections.Specialized.NotifyCollectionChangedEventHandler

Implements

System.Collections.Specialized.INotifyCollectionChanged