com.telerik.widget.list

Class ItemReorderBehavior

java.lang.Object

com.telerik.widget.list.ListViewBehavior

com.telerik.widget.list.ItemReorderBehavior

Direct Known Subclasses:

ReorderWithHandlesBehavior

public class ItemReorderBehavior
extends ListViewBehavior

Represents a ListViewBehavior that can be used to allow the end user to reorder items from the list with a combination of long press and drag.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ItemReorderBehavior.ItemReorderListener Interface definition for a callback to be invoked when item reorder is occurring.

Constructor Summary

Constructors

Constructor and Description
ItemReorderBehavior() Creates a new instance of the SelectionBehavior.

Method Summary

Modifier and Type	Method and Description
void	addListener(ItemReorderBehavior.ItemReorderListener listener) Adds a listener to be called when reorder occurs.
int	getScrollValue()
boolean	isInProgress() Returns true if the current behavior is in progress.
void	onAttached(RadListView listView) Called when the behavior is attached to RadListView with addBehavior(ListViewBehavior).
void	onDispatchDraw(Canvas canvas) Called when RadListView's onDispatchDraw method is called.
boolean	onFling(MotionEvent motionEvent, MotionEvent motionEvent2, float v, float v2) Called when the fling gesture is detected by RadListView's ListViewGestureListener.
void	onLongPress(MotionEvent motionEvent) Called when the long press gesture is detected by RadListView's ListViewGestureListener.
void	onLongPressDrag(float startX, float startY, float currentX, float currentY) Called when the drag gesture is detected by RadListView's ListViewGestureListener which started with long press.
boolean	onLongPressDragEnded(boolean isCanceled) Called when a current gesture combination of long press and drag ends on up or cancel.
void	removeListener(ItemReorderBehavior.ItemReorderListener listener) Removes a listener that is called when reorder occurs.
void	setScrollValue(int scrollValue)

Methods inherited from class com.telerik.widget.list.ListViewBehavior

bindViewHolder, createViewHolder, getItemViewType, managesViewHolders, onActionUpOrCancel, onDetached, onInterceptTouchEvent, onLayout, onScrolled, onShortPressDrag, onTapUp

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ItemReorderBehavior

public ItemReorderBehavior()

Creates a new instance of the SelectionBehavior.

Method Detail

addListener

public void addListener(ItemReorderBehavior.ItemReorderListener listener)

Adds a listener to be called when reorder occurs.

Parameters:

listener - the new listener.

removeListener

public void removeListener(ItemReorderBehavior.ItemReorderListener listener)

Removes a listener that is called when reorder occurs.

Parameters:

listener - the listener to remove.

isInProgress

public boolean isInProgress()

Description copied from class: ListViewBehavior

Returns true if the current behavior is in progress.

Overrides:

isInProgress in class ListViewBehavior

onAttached

public void onAttached(RadListView listView)

Description copied from class: ListViewBehavior

Called when the behavior is attached to RadListView with addBehavior(ListViewBehavior).

Overrides:

onAttached in class ListViewBehavior

Parameters:

listView - The parent list view

onLongPress

public void onLongPress(MotionEvent motionEvent)

Description copied from class: ListViewBehavior

Called when the long press gesture is detected by RadListView's ListViewGestureListener.

Overrides:

onLongPress in class ListViewBehavior

Parameters:

motionEvent - The motion event

onLongPressDrag

public void onLongPressDrag(float startX,
                            float startY,
                            float currentX,
                            float currentY)

Description copied from class: ListViewBehavior

Called when the drag gesture is detected by RadListView's ListViewGestureListener which started with long press.

Overrides:

onLongPressDrag in class ListViewBehavior

Parameters:

startX - the x coordinate where the gesture started

startY - the y coordinate where the gesture started

currentX - the x coordinate where the gesture occurring now

currentY - the y coordinate where the gesture occurring now

onFling

public boolean onFling(MotionEvent motionEvent,
                       MotionEvent motionEvent2,
                       float v,
                       float v2)

Description copied from class: ListViewBehavior

Called when the fling gesture is detected by RadListView's ListViewGestureListener.

Overrides:

onFling in class ListViewBehavior

Parameters:

motionEvent - The first down motion event that started the fling.

motionEvent2 - The move motion event that triggered the current onFling.

v - The velocity of this fling measured in pixels per second along the x axis.

v2 - The velocity of this fling measured in pixels per second along the y axis.

onLongPressDragEnded

public boolean onLongPressDragEnded(boolean isCanceled)

Description copied from class: ListViewBehavior

Called when a current gesture combination of long press and drag ends on up or cancel.

Overrides:

onLongPressDragEnded in class ListViewBehavior

Parameters:

isCanceled - whether the gesture was cancelled

onDispatchDraw

public void onDispatchDraw(Canvas canvas)

Description copied from class: ListViewBehavior

Called when RadListView's onDispatchDraw method is called.

Overrides:

onDispatchDraw in class ListViewBehavior

Parameters:

canvas - the canvas on which to draw the view

getScrollValue

public int getScrollValue()

setScrollValue

public void setScrollValue(int scrollValue)