Class GridLayouter

Definition

Namespace:
Tizen.NUI.Components
Assembly:
Tizen.NUI.Components.dll

Layouter for CollectionView to display items in grid layout.

public class GridLayouter : ItemsLayouter, ICollectionChangedNotifier, IDisposable
Inheritance
object
ItemsLayouter
GridLayouter
Implements
ICollectionChangedNotifier
IDisposable

Properties

View Source

GroupItems

Visible ViewItem.

Declaration
protected override List<ItemsLayouter.GroupInfo> GroupItems { get; }
Property Value
Type Description
List<><GroupInfo>
Overrides
View Source

SizeCandidate

Size Candidate

Declaration
protected (float Width, float Height) SizeCandidate { get; }
Property Value
Type Description
(float Width, float Height)
View Source

Source

Declaration
protected IGroupableItemSource Source { get; }
Property Value
Type Description
IGroupableItemSource
View Source

SpanSize

Span Size

Declaration
protected int SpanSize { get; }
Property Value
Type Description
int

Methods

View Source

CalculateCandidateScrollPosition(float)

Declaration
public override float CalculateCandidateScrollPosition(float scrollPosition)
Parameters
Type Name Description
float scrollPosition
Returns
Type Description
float
Overrides
View Source

CalculateLayoutOrientationSize()

Declaration
public override float CalculateLayoutOrientationSize()
Returns
Type Description
float
Overrides
View Source

Clear()

Clear the current screen and all properties.

Declaration
public override void Clear()
Overrides
View Source

FindVisibleItems((float X, float Y))

Find consecutive visible items index.

Declaration
protected override (int start, int end) FindVisibleItems((float X, float Y) visibleArea)
Parameters
Type Name Description
(float Width, float Height) visibleArea

float turple of visible area start position to end position.
Returns
Type Description
(int, int)
Overrides
View Source

GetItemPosition(int)

Get item position.

Declaration
protected override (float X, float Y) GetItemPosition(int index)
Parameters
Type Name Description
int index
Returns
Type Description
(float Width, float Height)
Overrides
View Source

GetItemSize(int)

Get item size.

Declaration
protected override (float Width, float Height) GetItemSize(int index)
Parameters
Type Name Description
int index
Returns
Type Description
(float Width, float Height)
Overrides
View Source

Initialize(RecyclerView)

Clean up ItemsLayouter.

Declaration
public override void Initialize(RecyclerView view)
Parameters
Type Name Description
RecyclerView view

CollectionView of layouter.
Overrides
Remarks

please note that, view must be type of CollectionView

View Source

NotifyItemInserted(IItemSource, int)

Declaration
public override void NotifyItemInserted(IItemSource source, int startIndex)
Parameters
Type Name Description
IItemSource source
int startIndex
Overrides
View Source

NotifyItemMoved(IItemSource, int, int)

Declaration
public override void NotifyItemMoved(IItemSource source, int fromPosition, int toPosition)
Parameters
Type Name Description
IItemSource source
int fromPosition
int toPosition
Overrides
View Source

NotifyItemRangeInserted(IItemSource, int, int)

Declaration
public override void NotifyItemRangeInserted(IItemSource source, int startIndex, int count)
Parameters
Type Name Description
IItemSource source
int startIndex
int count
Overrides
View Source

NotifyItemRangeMoved(IItemSource, int, int, int)

Declaration
public override void NotifyItemRangeMoved(IItemSource source, int fromPosition, int toPosition, int count)
Parameters
Type Name Description
IItemSource source
int fromPosition
int toPosition
int count
Overrides
View Source

NotifyItemRangeRemoved(IItemSource, int, int)

Declaration
public override void NotifyItemRangeRemoved(IItemSource source, int startIndex, int count)
Parameters
Type Name Description
IItemSource source
int startIndex
int count
Overrides
View Source

NotifyItemRemoved(IItemSource, int)

Declaration
public override void NotifyItemRemoved(IItemSource source, int startIndex)
Parameters
Type Name Description
IItemSource source
int startIndex
Overrides
View Source

NotifyItemSizeChanged(RecyclerViewItem)

Notify the relayout of ViewItem.

Declaration
public override void NotifyItemSizeChanged(RecyclerViewItem item)
Parameters
Type Name Description
RecyclerViewItem item

updated ViewItem.
Overrides
View Source

RequestLayout(float, bool)

This is called to find out where items are lain out according to current scroll position.

Declaration
public override void RequestLayout(float scrollPosition, bool force = false)
Parameters
Type Name Description
float scrollPosition

Scroll position which is calculated by ScrollableBase
bool force

boolean force flag to layouting forcely.
Overrides
View Source

RequestNextFocusableView(View, FocusDirection, bool)

Declaration
public override View RequestNextFocusableView(View currentFocusedView, View.FocusDirection direction, bool loopEnabled)
Parameters
Type Name Description
View currentFocusedView
View.FocusDirection direction
bool loopEnabled
Returns
Type Description
View
Overrides

Implements

IDisposable

Extension Methods