mva2.adapter

Class TreeSection<M>

java.lang.Object

mva2.adapter.Section

mva2.adapter.NestedSection

mva2.adapter.TreeSection<M>

Type Parameters:

M - Model class for section

All Implemented Interfaces:

Notifier

public class TreeSection<M>
extends NestedSection
implements Notifier

TreeSection class is still in alpha stage. If you use this class be aware that its public api's are subject to change without backward compatibility. TreeSection, as the name suggests, can be used to display a list of nested items. Ex : To display a list of nested comments. The main difference between NestedSection and TreeSection is while NestedSection can display nested elements, TreeSection can display a parent item and list of its child elements.

Constructor Summary

Constructors

Constructor and Description
TreeSection(M item) Constructor which initializes TreeSection with an item.

Method Summary

Modifier and Type	Method and Description
void	addSection(Section section) Adds a TreeSection to the current TreeSection.
TreeSection	getChild(int index) Returns the child section at the specified position in this list.
M	getParent() Returns the current item.
void	setTreeDecorator(Decorator treeDecorator) Sets a decorator for TreeSection and its child items.

Methods inherited from class mva2.adapter.NestedSection

notifySectionItemMoved, notifySectionRangeChanged, notifySectionRangeInserted, notifySectionRangeRemoved, onItemClicked

Methods inherited from class mva2.adapter.Section

addDecorator, addDecorator, hideSection, isSectionHidden, onChanged, onInserted, onMoved, onRemoved, removeAllDecorators, removeDecorator, removeDecorator, setExpansionMode, setSectionExpansionMode, setSelectionMode, setSpanCount, showSection

Methods inherited from class java.lang.Object

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

Methods inherited from interface mva2.adapter.internal.Notifier

notifySectionItemMoved, notifySectionRangeChanged, notifySectionRangeInserted, notifySectionRangeRemoved

Constructor Detail

TreeSection

public TreeSection(M item)

Constructor which initializes TreeSection with an item.

Method Detail

getChild

public TreeSection getChild(int index)

Returns the child section at the specified position in this list.

Parameters:

index - index of the child section to return

Returns:

the child section at the specified position in this list

Throws:

java.lang.IndexOutOfBoundsException - if the index is out of range (index < 0 || index >= size())

getParent

public M getParent()

Returns the current item. If the section, for example, displays a tree of comments then this method will return the current comment item for this section.

Returns:

Current item object

setTreeDecorator

public void setTreeDecorator(Decorator treeDecorator)

Sets a decorator for TreeSection and its child items.

Parameters:

treeDecorator - Decorator that needs to be set for current TreeSection and its child sections

addSection

public void addSection(Section section)

Adds a TreeSection to the current TreeSection. If the section being added is not an instance of TreeSection, IllegalArgumentException will be thrown.

Overrides:

addSection in class NestedSection

Parameters:

section - TreeSection to be added