org.fit.layout.impl

Class DefaultPage

java.lang.Object

org.fit.layout.impl.DefaultPage

All Implemented Interfaces:

Page

public class DefaultPage
extends Object
implements Page

Default generic page implementation.

Author:

burgetr

Field Summary

Fields

Modifier and Type	Field and Description
protected int	height
protected Box	root
protected URL	url
protected int	width

Constructor Summary

Constructors

Constructor and Description
DefaultPage(URL url)

Method Summary

Methods

Modifier and Type	Method and Description
Box	getBoxAt(int x, int y) Finds the deepest node in the tree that contains the given point.
Vector<Box>	getBoxesInRegion(Rectangular r) Finds the root boxes of subtrees that intersect with the given region.
int	getHeight() Obtains the page height.
Box	getRoot() Returns the root box of the page.
URL	getSourceURL() Obtains the source URL of the page.
int	getWidth() Obtains the page width.
protected Box	recursiveGetBoxAt(Box root, int x, int y)
void	setHeight(int height)
void	setRoot(Box root)
void	setWidth(int width)

Methods inherited from class java.lang.Object

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

Field Detail

url

protected URL url

root

protected Box root

width

protected int width

height

protected int height

Constructor Detail

DefaultPage

public DefaultPage(URL url)

Method Detail

getSourceURL

public URL getSourceURL()

Description copied from interface: Page

Obtains the source URL of the page.

Specified by:

getSourceURL in interface Page

Returns:

the URL

getRoot

public Box getRoot()

Description copied from interface: Page

Returns the root box of the page.

Specified by:

getRoot in interface Page

Returns:

the root box

setRoot

public void setRoot(Box root)

getWidth

public int getWidth()

Description copied from interface: Page

Obtains the page width.

Specified by:

getWidth in interface Page

Returns:

the width in pixels

setWidth

public void setWidth(int width)

getHeight

public int getHeight()

Description copied from interface: Page

Obtains the page height.

Specified by:

getHeight in interface Page

Returns:

the height in pixels

setHeight

public void setHeight(int height)

getBoxAt

public Box getBoxAt(int x,
           int y)

Description copied from interface: Page

Finds the deepest node in the tree that contains the given point.

Specified by:

getBoxAt in interface Page

Parameters:

x - The point X coordinate

y - The point Y coordinate

Returns:

The deepest box at the given coordinates or null when there is no box in the tree placed at the given coordinates.

recursiveGetBoxAt

protected Box recursiveGetBoxAt(Box root,
                    int x,
                    int y)

getBoxesInRegion

public Vector<Box> getBoxesInRegion(Rectangular r)

Description copied from interface: Page

Finds the root boxes of subtrees that intersect with the given region.

Specified by:

getBoxesInRegion in interface Page

Parameters:

r - The region to be tested

Returns:

A vector of subtree root boxes (possibly empty)