Package org.luwrain.controls

Class TreeArea

java.lang.Object

org.luwrain.controls.TreeArea

All Implemented Interfaces:

Area, HotPoint, Lines

public class TreeArea
extends Object
implements Area

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	TreeArea.ClickHandler
static interface	TreeArea.Model
protected static class	TreeArea.Node
static final class	TreeArea.Params
protected static class	TreeArea.VisibleItem

Field Summary

Fields

Modifier and Type	Field	Description
protected TreeArea.ClickHandler	clickHandler
protected final ControlContext	context
protected int	hotPointX
protected int	hotPointY
protected TreeArea.VisibleItem[]	items
protected final TreeArea.Model	model
protected String	name
protected TreeArea.Node	root

Constructor Summary

Constructors

Constructor	Description
TreeArea(TreeArea.Params params)

Method Summary

Modifier and Type	Method	Description
protected void	announce(TreeArea.VisibleItem item, boolean briefAnnouncement)
protected String	constructLineForScreen(TreeArea.VisibleItem item)
protected TreeArea.Node	constructNode(Object obj, TreeArea.Node parent, boolean fillChildren)
protected void	fillChildrenForNonLeaf(TreeArea.Node node)
protected TreeArea.VisibleItem[]	generateAllVisibleItems()
protected TreeArea.VisibleItem[]	generateVisibleItems(TreeArea.Node node, int level)
Action[]	getAreaActions()
String	getAreaName()
TreeArea.ClickHandler	getClickHandler()
int	getHotPointX()
int	getHotPointY()
protected int	getInitialHotPointX(int index)
String	getLine(int index)
int	getLineCount()
TreeArea.Model	getModel()
protected boolean	isLeaf(Object o)
boolean	onAreaQuery(AreaQuery query)
protected void	onClick(Object obj)
protected boolean	onCollapse(InputEvent event)
protected boolean	onExpand(InputEvent event)
boolean	onInputEvent(InputEvent event)
protected boolean	onKeyDown(InputEvent event, boolean briefAnnouncement)
protected boolean	onKeyEnter(InputEvent event)
protected boolean	onKeyLeft(InputEvent event)
protected boolean	onKeyRight(InputEvent event)
protected boolean	onKeySpace(InputEvent event)
protected boolean	onKeyUp(InputEvent event, boolean briefAnnouncement)
boolean	onSystemEvent(SystemEvent event)
void	refresh()
protected void	refreshNode(TreeArea.Node node)
Object	selected()
void	selectEmptyLastLine()
void	selectFirstItem()
boolean	selectObject(Object obj)
void	setClickHandler(TreeArea.ClickHandler clickHandler)

Methods inherited from class java.lang.Object

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

Field Details

context

protected final ControlContext context

model

protected final TreeArea.Model model

name

protected String name

root

protected TreeArea.Node root

items

protected TreeArea.VisibleItem[] items

hotPointX

protected int hotPointX

hotPointY

protected int hotPointY

clickHandler

protected TreeArea.ClickHandler clickHandler

Constructor Details

TreeArea

public TreeArea(TreeArea.Params params)

Method Details

getClickHandler

public TreeArea.ClickHandler getClickHandler()

setClickHandler

public void setClickHandler(TreeArea.ClickHandler clickHandler)

getModel

public TreeArea.Model getModel()

getLineCount

public int getLineCount()

Specified by:

getLineCount in interface Lines

getLine

public String getLine(int index)

Specified by:

getLine in interface Lines

getHotPointX

public int getHotPointX()

Specified by:

getHotPointX in interface Area

Specified by:

getHotPointX in interface HotPoint

getHotPointY

public int getHotPointY()

Specified by:

getHotPointY in interface Area

Specified by:

getHotPointY in interface HotPoint

onInputEvent

public boolean onInputEvent(InputEvent event)

Specified by:

onInputEvent in interface Area

onSystemEvent

public boolean onSystemEvent(SystemEvent event)

Specified by:

onSystemEvent in interface Area

onAreaQuery

public boolean onAreaQuery(AreaQuery query)

Specified by:

onAreaQuery in interface Area

getAreaActions

public Action[] getAreaActions()

Specified by:

getAreaActions in interface Area

getAreaName

public String getAreaName()

Specified by:

getAreaName in interface Area

refresh

public void refresh()

selected

public Object selected()

selectObject

public boolean selectObject(Object obj)

selectEmptyLastLine

public void selectEmptyLastLine()

selectFirstItem

public void selectFirstItem()

onClick

protected void onClick(Object obj)

fillChildrenForNonLeaf

protected void fillChildrenForNonLeaf(TreeArea.Node node)

constructNode

protected TreeArea.Node constructNode(Object obj,
 TreeArea.Node parent,
 boolean fillChildren)

refreshNode

protected void refreshNode(TreeArea.Node node)

onKeySpace

protected boolean onKeySpace(InputEvent event)

onKeyEnter

protected boolean onKeyEnter(InputEvent event)

onExpand

protected boolean onExpand(InputEvent event)

onCollapse

protected boolean onCollapse(InputEvent event)

onKeyDown

protected boolean onKeyDown(InputEvent event,
 boolean briefAnnouncement)

onKeyUp

protected boolean onKeyUp(InputEvent event,
 boolean briefAnnouncement)

onKeyRight

protected boolean onKeyRight(InputEvent event)

onKeyLeft

protected boolean onKeyLeft(InputEvent event)

generateVisibleItems

protected TreeArea.VisibleItem[] generateVisibleItems(TreeArea.Node node,
 int level)

generateAllVisibleItems

protected TreeArea.VisibleItem[] generateAllVisibleItems()

isLeaf

protected boolean isLeaf(Object o)

announce

protected void announce(TreeArea.VisibleItem item,
 boolean briefAnnouncement)

constructLineForScreen

protected String constructLineForScreen(TreeArea.VisibleItem item)

getInitialHotPointX

protected int getInitialHotPointX(int index)