com.mikepenz.fastadapter_extensions

Class UndoHelper<Item extends com.mikepenz.fastadapter.IItem>

java.lang.Object

com.mikepenz.fastadapter_extensions.UndoHelper<Item>

public class UndoHelper<Item extends com.mikepenz.fastadapter.IItem>
extends java.lang.Object

Created by mikepenz on 04.01.16.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	UndoHelper.UndoListener<Item extends com.mikepenz.fastadapter.IItem>

Constructor Summary

Constructors

Constructor and Description
UndoHelper(com.mikepenz.fastadapter.FastAdapter<Item> adapter, UndoHelper.UndoListener<Item> undoListener) Constructor to create the UndoHelper

Method Summary

Modifier and Type	Method and Description
android.support.design.widget.Snackbar	getSnackBar()
android.support.design.widget.Snackbar	remove(java.util.Set<java.lang.Integer> positions) convenience method to be used if you have previously set a Snackbar with withSnackBar(Snackbar, String)
android.support.design.widget.Snackbar	remove(android.view.View view, java.lang.String text, java.lang.String actionText, int duration, java.util.Set<java.lang.Integer> positions) removes items from the ItemAdapter.
void	withSnackBar(android.support.design.widget.Snackbar snackBar, java.lang.String actionText) an optional method to add a Snackbar of your own with custom styling.

Methods inherited from class java.lang.Object

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

Constructor Detail

UndoHelper

public UndoHelper(com.mikepenz.fastadapter.FastAdapter<Item> adapter,
                  UndoHelper.UndoListener<Item> undoListener)

Constructor to create the UndoHelper

Parameters:

adapter - the root FastAdapter

undoListener - the listener which gets called when an item was really removed

Method Detail

withSnackBar

public void withSnackBar(@NonNull
                         android.support.design.widget.Snackbar snackBar,
                         java.lang.String actionText)

an optional method to add a Snackbar of your own with custom styling. note that using this method will override your custom action

Parameters:

snackBar - your own Snackbar

actionText - the text to show for the Undo Action

getSnackBar

@Nullable
public android.support.design.widget.Snackbar getSnackBar()

remove

@Nullable
public android.support.design.widget.Snackbar remove(java.util.Set<java.lang.Integer> positions)

convenience method to be used if you have previously set a Snackbar with withSnackBar(Snackbar, String)

Parameters:

positions - the positions where the items were removed

Returns:

the snackbar or null if withSnackBar(Snackbar, String) was not previously called

remove

public android.support.design.widget.Snackbar remove(android.view.View view,
                                                     java.lang.String text,
                                                     java.lang.String actionText,
                                                     int duration,
                                                     java.util.Set<java.lang.Integer> positions)

removes items from the ItemAdapter. note that the values of "view", "text", "actionText", and "duration" will be ignored if withSnackBar(Snackbar, String) was used. if it was not used, a default snackbar will be generated

Parameters:

view - the view which will host the SnackBar

text - the text to show on the SnackBar

actionText - the text to show for the Undo Action

positions - the positions where the items were removed

Returns:

the generated Snackbar