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

System.IDisposable

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.NUI

Assembly: Tizen.UIExtensions.NUI.dll

Syntax

public abstract class ItemAdaptor : INotifyCollectionChanged, IDisposable

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 ICollectionViewController CollectionView { get; set; }

Property Value

Type	Description
ICollectionViewController

Count

the number of items

Declaration

public virtual 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()

Create a new view

Declaration

public abstract NUI.BaseComponents.View CreateNativeView()

Returns

Type	Description
Tizen.NUI.BaseComponents.View	Created view

CreateNativeView(Int32)

Create a new view

Declaration

public abstract NUI.BaseComponents.View CreateNativeView(int index)

Parameters

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

Returns

Type	Description
Tizen.NUI.BaseComponents.View	Created view

Dispose()

Declaration

public void Dispose()

Dispose(Boolean)

Declaration

protected virtual void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing

GetFooterView()

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

Declaration

public abstract NUI.BaseComponents.View GetFooterView()

Returns

Type	Description
Tizen.NUI.BaseComponents.View	A created view

GetHeaderView()

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

Declaration

public abstract NUI.BaseComponents.View GetHeaderView()

Returns

Type	Description
Tizen.NUI.BaseComponents.View	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(Double, Double)

Measure Footer size

Declaration

public abstract Size MeasureFooter(double widthConstraint, double heightConstraint)

Parameters

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

Returns

Type	Description
Size	Footer size

MeasureHeader(Double, Double)

Measure header size

Declaration

public abstract Size MeasureHeader(double widthConstraint, double heightConstraint)

Parameters

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

Returns

Type	Description
Size	Header size

MeasureItem(Double, Double)

Measure item size

Declaration

public abstract Size MeasureItem(double widthConstraint, double heightConstraint)

Parameters

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

Returns

Type	Description
Size	Item size

MeasureItem(Int32, Double, Double)

Measure item size

Declaration

public abstract Size MeasureItem(int index, double widthConstraint, double heightConstraint)

Parameters

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

Returns

Type	Description
Size	Item size

RemoveNativeView(NUI.BaseComponents.View)

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

Declaration

public abstract void RemoveNativeView(NUI.BaseComponents.View native)

Parameters

Type	Name	Description
Tizen.NUI.BaseComponents.View	native	A view to remove

SendItemSelected(IEnumerable<Int32>)

Handle Selected item

Declaration

public virtual void SendItemSelected(IEnumerable<int> selected)

Parameters

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

SetBinding(NUI.BaseComponents.View, Int32)

Set data binding between view and item

Declaration

public abstract void SetBinding(NUI.BaseComponents.View view, int index)

Parameters

Type	Name	Description
Tizen.NUI.BaseComponents.View	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(NUI.BaseComponents.View)

Unset data binding on view

Declaration

public abstract void UnBinding(NUI.BaseComponents.View view)

Parameters

Type	Name	Description
Tizen.NUI.BaseComponents.View	view	A view to unbinding

UpdateViewState(NUI.BaseComponents.View, ViewHolderState)

Update View state

Declaration

public virtual void UpdateViewState(NUI.BaseComponents.View view, ViewHolderState state)

Parameters

Type	Name	Description
Tizen.NUI.BaseComponents.View	view	A view to update
ViewHolderState	state	State of view

Events

CollectionChanged

Occurs when the collection changes.

Declaration

public event NotifyCollectionChangedEventHandler CollectionChanged

Event Type

Type	Description
System.Collections.Specialized.NotifyCollectionChangedEventHandler

Implements

System.Collections.Specialized.INotifyCollectionChanged

System.IDisposable