Package com.levigo.jadice.document

Class PageSegmentEvent

java.lang.Object

com.levigo.jadice.document.AbstractDocumentEvent

com.levigo.jadice.document.AbstractPageEvent

com.levigo.jadice.document.PageSegmentEvent

Direct Known Subclasses:

AnnotationPageSegmentEvent, AnnotationPageSegmentEvent

public class PageSegmentEvent
extends AbstractPageEvent

An event of this type will indicate the addition, the removal or the modification of page segments within a page.

Since:

4.3

See Also:

• Page
• AbstractPageSegment

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	PageSegmentEvent.Type	The type is used to describe page segment (modify) events more in detail.

Constructor Summary

Constructors

Constructor	Description
PageSegmentEvent(Document document, Page page, PageSegment segment, DocumentLayer layer)	Constructor
PageSegmentEvent(Document document, Page page, PageSegment segment, DocumentLayer layer, PageSegmentEvent.Type type)	Constructor
PageSegmentEvent(Document document, PageSegmentEvent event)	Clones a page segment event but changing the associated document reference.
PageSegmentEvent(Page page, PageSegment segment, DocumentLayer layer)	Constructor

Method Summary

Modifier and Type	Method	Description
Rectangle2D	getDamage()	Returns the damage region for this event.
Document	getDocument()	Returns a reference of the document container which holds the page and the event concerning page segment or null if not available at the creation time of this event.
DocumentLayer	getLayer()	Returns the document layer in which the changed page segment resides if available otherwise null
PageSegment	getPageSegment()	Returns the changed page segment
PageSegmentEvent.Type	getType()	Returns the type of this event
void	setDamage(Rectangle2D damage)	Sets a damage area for this event.
void	setLayer(DocumentLayer layer)	Sets the document layer in which the changed page segment resides.
protected void	setPageSegment(PageSegment pageSegment)	Sets the changed page segment
void	setType(PageSegmentEvent.Type type)

Methods inherited from class com.levigo.jadice.document.AbstractPageEvent

getPage, setPage

Methods inherited from class com.levigo.jadice.document.AbstractDocumentEvent

setDocument

Methods inherited from class java.lang.Object

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

Constructor Details

PageSegmentEvent

public PageSegmentEvent(Document document,
 Page page,
 PageSegment segment,
 DocumentLayer layer)

Constructor

Creates a page segment event

Parameters:

document - the concerned document if available, otherwise null

page - which causes the the page segment change

segment - the concerned page segment

layer - the document layer in which the page segment resides if available otherwise null

PageSegmentEvent

public PageSegmentEvent(Document document,
 Page page,
 PageSegment segment,
 DocumentLayer layer,
 PageSegmentEvent.Type type)

Constructor

Creates a page segment event

Parameters:

document - the concerned document if available, otherwise null

page - which causes the the page segment change

segment - the concerned page segment

layer - the document layer in which the page segment resides if available otherwise null

type - The type of this page segment event

See Also:

• PageSegmentEvent.Type.CONTENT
• PageSegmentEvent.Type.SIZE

PageSegmentEvent

public PageSegmentEvent(Page page,
 PageSegment segment,
 DocumentLayer layer)

Constructor

Creates a page segment event

Parameters:

page - which causes the the page segment change

segment - the concerned page segment

layer - the document layer in which the page segment resides if available otherwise null

PageSegmentEvent

public PageSegmentEvent(Document document,
 PageSegmentEvent event)

Clones a page segment event but changing the associated document reference. For future use and for a correct propagation of page segment events for multi document pages.

Parameters:

document - the new document reference

event - the event to be cloned

Method Details

getPageSegment

public PageSegment getPageSegment()

Returns the changed page segment

Returns:

page segment

setPageSegment

protected void setPageSegment(PageSegment pageSegment)

Sets the changed page segment

Parameters:

pageSegment -

getLayer

public DocumentLayer getLayer()

Returns the document layer in which the changed page segment resides if available otherwise null

Returns:

the relevant document layer or null

setLayer

public void setLayer(DocumentLayer layer)

Sets the document layer in which the changed page segment resides.

Parameters:

layer -

getDocument

public Document getDocument()

Returns a reference of the document container which holds the page and the event concerning page segment or null if not available at the creation time of this event.

Overrides:

getDocument in class AbstractPageEvent

Returns:

the document the document container or null if not known at the creation time of this event.

See Also:

• AbstractDocumentEvent.getDocument()

setDamage

public void setDamage(Rectangle2D damage)

Sets a damage area for this event.

Use this method if the origin of this event causes a dirty area, which means a damage region within the pagesegment area, which should be updated.

Parameters:

damage - the a damage region within the pagesegment area to be updated. The damage should be given in document base units.

Throws:

NullPointerException - if damage is null

getDamage

public Rectangle2D getDamage()

Returns the damage region for this event.

Returns:

the damage in document base units.

See Also:

• setDamage(Rectangle2D)

getType

public PageSegmentEvent.Type getType()

Returns the type of this event

Returns:

the type

setType

public void setType(PageSegmentEvent.Type type)

Parameters:

type - the type to set