org.apache.batik.bridge.svg12

Class ContentManager

public class ContentManager extends Object

A class to manage all XBL content elements in a shadow tree.

Nested Class Summary
protected class	ContentManager.ContentElementDOMAttrModifiedEventListener The DOM EventListener invoked when an attribute is modified, for content elements.
protected class	ContentManager.DOMAttrModifiedEventListener The DOM EventListener invoked when an attribute is modified.
protected class	ContentManager.DOMNodeInsertedEventListener The DOM EventListener invoked when a node is added.
protected class	ContentManager.DOMNodeRemovedEventListener The DOM EventListener invoked when a node is removed.
protected class	ContentManager.DOMSubtreeModifiedEventListener The DOM EventListener invoked when a subtree has changed.
protected class	ContentManager.ShadowTreeNodeInsertedListener The DOM EventListener invoked when a node in the shadow tree has been inserted.
protected class	ContentManager.ShadowTreeNodeRemovedListener The DOM EventListener invoked when a node in the shadow tree has been removed.
protected class	ContentManager.ShadowTreeSubtreeModifiedListener The DOM EventListener invoked when a subtree of the shadow tree has changed.

Field Summary
protected Element	boundElement The bound element that owns the shadow tree.
protected ContentManager.ContentElementDOMAttrModifiedEventListener	contentElementDomAttrModifiedEventListener DOMAttrModified listener for content elements.
protected LinkedList	contentElementList List of content elements.
protected ContentManager.DOMAttrModifiedEventListener	domAttrModifiedEventListener DOMAttrModified listener for bound element children.
protected ContentManager.DOMNodeInsertedEventListener	domNodeInsertedEventListener DOMNodeInserted listener for bound element children.
protected ContentManager.DOMNodeRemovedEventListener	domNodeRemovedEventListener DOMNodeRemoved listener for bound element children.
protected ContentManager.DOMSubtreeModifiedEventListener	domSubtreeModifiedEventListener DOMSubtreeModified listener for shadow tree nodes.
protected HashMap	listeners Map of XBLContentElement objects to EventListenerList objects.
protected Node	removedNode The recently removed node from the shadow tree.
protected HashMap	selectedNodes Map of content elements to a list of nodes that were selected by that content element.
protected HashMap	selectors Map of content elements to selectors.
protected XBLOMShadowTreeElement	shadowTree The shadow tree whose content elements this object is managing.
protected ContentManager.ShadowTreeNodeInsertedListener	shadowTreeNodeInsertedListener DOMNodeInserted listener for content elements in the shadow tree.
protected ContentManager.ShadowTreeNodeRemovedListener	shadowTreeNodeRemovedListener DOMNodeRemoved listener for content elements in the shadow tree.
protected ContentManager.ShadowTreeSubtreeModifiedListener	shadowTreeSubtreeModifiedListener DOMSubtreeModified listener for content elements in the shadow tree.
protected DefaultXBLManager	xblManager The XBL manager.

Constructor Summary
	ContentManager(XBLOMShadowTreeElement s, XBLManager xm) Creates a new ContentManager object.

Method Summary
void	addContentSelectionChangedListener(XBLOMContentElement e, ContentSelectionChangedListener l) Adds the specified ContentSelectionChangedListener to the listener list.
protected void	dispatchContentSelectionChangedEvent(XBLOMContentElement e) Dispatches the ContentSelectionChangedEvent to the registered listeners.
void	dispose() Disposes this ContentManager.
protected XBLOMContentElement	getContentElement(Node n) Returns the content element that selected a given node.
protected String	getContentSelectorLanguage(Element e) Returns the selector language to be used for the given xbl:content element.
NodeList	getSelectedContent(XBLOMContentElement e) Returns a NodeList of the content that was selected by the given content element.
void	removeContentSelectionChangedListener(XBLOMContentElement e, ContentSelectionChangedListener l) Removes the specified ContentSelectionChangedListener from the listener list.
protected void	update(boolean first) Updates all content elements.
protected boolean	update(boolean first, Node n)

Field Detail

boundElement

protected Element boundElement

The bound element that owns the shadow tree.

contentElementDomAttrModifiedEventListener

protected ContentManager.ContentElementDOMAttrModifiedEventListener contentElementDomAttrModifiedEventListener

DOMAttrModified listener for content elements.

contentElementList

protected LinkedList contentElementList

List of content elements. [XBLContentElement]

domAttrModifiedEventListener

protected ContentManager.DOMAttrModifiedEventListener domAttrModifiedEventListener

DOMAttrModified listener for bound element children.

domNodeInsertedEventListener

protected ContentManager.DOMNodeInsertedEventListener domNodeInsertedEventListener

DOMNodeInserted listener for bound element children.

domNodeRemovedEventListener

protected ContentManager.DOMNodeRemovedEventListener domNodeRemovedEventListener

DOMNodeRemoved listener for bound element children.

domSubtreeModifiedEventListener

protected ContentManager.DOMSubtreeModifiedEventListener domSubtreeModifiedEventListener

DOMSubtreeModified listener for shadow tree nodes.

listeners

protected HashMap listeners

Map of XBLContentElement objects to EventListenerList objects.

removedNode

protected Node removedNode

The recently removed node from the shadow tree.

selectedNodes

protected HashMap selectedNodes

Map of content elements to a list of nodes that were selected by that content element. [XBLContentElement, NodeList]

selectors

protected HashMap selectors

Map of content elements to selectors. [XBLContentElement, AbstractContentSelector]

shadowTree

protected XBLOMShadowTreeElement shadowTree

The shadow tree whose content elements this object is managing.

shadowTreeNodeInsertedListener

protected ContentManager.ShadowTreeNodeInsertedListener shadowTreeNodeInsertedListener

DOMNodeInserted listener for content elements in the shadow tree.

shadowTreeNodeRemovedListener

protected ContentManager.ShadowTreeNodeRemovedListener shadowTreeNodeRemovedListener

DOMNodeRemoved listener for content elements in the shadow tree.

shadowTreeSubtreeModifiedListener

protected ContentManager.ShadowTreeSubtreeModifiedListener shadowTreeSubtreeModifiedListener

DOMSubtreeModified listener for content elements in the shadow tree.

xblManager

protected DefaultXBLManager xblManager

The XBL manager.

Constructor Detail

ContentManager

public ContentManager(XBLOMShadowTreeElement s, XBLManager xm)

Creates a new ContentManager object.

Parameters: s the shadow tree element whose content elements this object will be managing xm the XBLManager for this document

Method Detail

addContentSelectionChangedListener

public void addContentSelectionChangedListener(XBLOMContentElement e, ContentSelectionChangedListener l)

Adds the specified ContentSelectionChangedListener to the listener list.

dispatchContentSelectionChangedEvent

protected void dispatchContentSelectionChangedEvent(XBLOMContentElement e)

Dispatches the ContentSelectionChangedEvent to the registered listeners.

dispose

public void dispose()

Disposes this ContentManager.

getContentElement

protected XBLOMContentElement getContentElement(Node n)

Returns the content element that selected a given node.

getContentSelectorLanguage

protected String getContentSelectorLanguage(Element e)

Returns the selector language to be used for the given xbl:content element. This will look at the xbl:content element and the document element for an attribute batik:selectorLanguage.

getSelectedContent

public NodeList getSelectedContent(XBLOMContentElement e)

Returns a NodeList of the content that was selected by the given content element.

removeContentSelectionChangedListener

public void removeContentSelectionChangedListener(XBLOMContentElement e, ContentSelectionChangedListener l)

Removes the specified ContentSelectionChangedListener from the listener list.

update

protected void update(boolean first)

Updates all content elements.

Parameters: first Whether this is the first update for this ContentManager.

update

protected boolean update(boolean first, Node n)