fi.hut.tml.xsmiles.mlfc.xforms.dom
Class DynBoundElementImpl

java.lang.Object
  org.apache.xerces.dom.NodeImpl
      org.apache.xerces.dom.ChildNode
          org.apache.xerces.dom.ParentNode
              org.apache.xerces.dom.ElementImpl
                  org.apache.xerces.dom.ElementNSImpl
                      fi.hut.tml.xsmiles.dom.XSmilesElementImpl
                          fi.hut.tml.xsmiles.dom.VisualElementImpl
                              fi.hut.tml.xsmiles.mlfc.xforms.dom.XFormsElementImpl
                                  fi.hut.tml.xsmiles.mlfc.xforms.dom.DynBoundElementImpl

All Implemented Interfaces:

java.lang.Cloneable, CSSStyleChangeListener, DynamicDependencyListener, org.w3c.dom.Element, ElementWithContext, org.w3c.dom.events.EventListener, org.w3c.dom.events.EventTarget, ExpressionContainer, InitializableElement, org.w3c.dom.Node, org.w3c.dom.NodeList, PseudoClassController, ResourceFetcher, java.io.Serializable, StylableElement, org.w3c.dom.TypeInfo, VisualElement, XFormsConstants, XFormsElement, XSmilesLayoutReference

Direct Known Subclasses:

ActionHandlerBaseImpl, CaptionElementImpl, CopyElementImpl, FileNameElementImpl, GroupElementImpl, HintElementImpl, ItemElementImpl, ItemSetElementImpl, MediaTypeElementImpl, RepeatElementImpl, SetIndexElementImpl, ValueElementImpl, XFormsControl

public abstract class DynBoundElementImpl

extends XFormsElementImpl

implements XFormsConstants, DynamicDependencyListener, ElementWithContext

The superclass of all XForms elements that are bound to an instance node It will listen for changes in the bound element, as well as all changes to the binding itself, and will signal these changes up in the presentation DOM.

Author:

Mikko Honkala

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class fi.hut.tml.xsmiles.dom.XSmilesElementImpl

XSmilesElementImpl.PseudoNodeList

Field Summary

protected BindElementImpl	bind
static short	BINDING_ATTRIBUTES_NOT_FOUND state: bindind attributes not found
static short	BINDING_FAILED state: bindind failed (fatal error)
static short	BINDING_OK state: binding ok
protected short	binding_state the current binding state, one of the above
protected boolean	bindingAttributesRequired are binding attributes required (e.g.
static short	BOUND_NODE_NOT_FOUND state: bound node was not found (non-relevant control)
protected InstanceNode	contextNode Repeat may set this context node
protected boolean	init are we initializing the control
protected ModelElementImpl	myModel Gets my model element.
protected XPathExpr	refExpr
static short	UNINITIALIZED state: unitialized

Fields inherited from class fi.hut.tml.xsmiles.mlfc.xforms.dom.XFormsElementImpl

debugEvents, EVENTS_NS, handler, inited, ownerDoc

Fields inherited from class fi.hut.tml.xsmiles.dom.VisualElementImpl

views

Fields inherited from class fi.hut.tml.xsmiles.dom.XSmilesElementImpl

DESTROYED, elementStatus, INITIALIZED, INITIALIZING, setPseudoClasses, style, xblpropname

Fields inherited from class org.apache.xerces.dom.ElementNSImpl

localName, namespaceURI

Fields inherited from class org.apache.xerces.dom.ElementImpl

attributes, name

Fields inherited from class org.apache.xerces.dom.ParentNode

firstChild, fNodeListCache, ownerDocument

Fields inherited from class org.apache.xerces.dom.ChildNode

nextSibling, previousSibling

Fields inherited from class org.apache.xerces.dom.NodeImpl

DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_IS_CONTAINED, DOCUMENT_POSITION_PRECEDING, ELEMENT_DEFINITION_NODE, FIRSTCHILD, flags, HASSTRING, ID, IGNORABLEWS, OWNED, ownerNode, READONLY, SPECIFIED, SYNCCHILDREN, SYNCDATA, TREE_POSITION_ANCESTOR, TREE_POSITION_DESCENDANT, TREE_POSITION_DISCONNECTED, TREE_POSITION_EQUIVALENT, TREE_POSITION_FOLLOWING, TREE_POSITION_PRECEDING, TREE_POSITION_SAME_NODE, UNNORMALIZED

Fields inherited from interface fi.hut.tml.xsmiles.mlfc.xforms.XFormsConstants

ACCESSKEY, ACTION_ATTRIBUTE, ACTION_ELEMENT, ACTIVATE_EVENT, ACTIVE_CASE_PSEUDOCLASS, ALERT_ELEMENT, ALERT_EVENT, APPEARANCE_ATTRIBUTE, AT_ATTRIBUTE, BasicDataFactoryClassName, BEFORE_ATTRIBUTE, BIND_ATTRIBUTE, BIND_ELEMENT, BINDING_EXCEPTION, BLUR_EVENT, BUBBLES_ATTRIBUTE, BUTTON_ELEMENT, CALCULATE_ATTRIBUTE, CANCELABLE_ATTRIBUTE, CAPTION_CHANGED, CAPTION_ELEMENT, CASE_ATTRIBUTE, CASE_ELEMENT, CDATA_SECTION_ELEMENTS_ATTRIBUTE, CHOICES_ELEMENT, COMPUTE_EXCEPTION, CONSTRAINT_ATTRIBUTE, CONTROL_ATTRIBUTE, COPY_ELEMENT, DELETE_ELEMENT, DELETE_EVENT, DESELECT_EVENT, DESTROY_ELEMENT, DESTROY_EVENT, DISABLED_EVENT, DISABLED_PSEUDOCLASS, DISPATCH_ELEMENT, DUPLICATE_ELEMENT, DUPLICATE_EVENT, ENABLED_EVENT, ENABLED_PSEUDOCLASS, ENCODING_ATTRIBUTE, END_ATTRIBUTE, EXTENSION, EXTERNAL_LINKING_ATTR, FILENAME, FILENAME_ELEMENT, FOCUS_EVENT, FOCUSIN_NOTIFICATION_EVENT, FOCUSOUT_NOTIFICATION_EVENT, FUNC_INDEX, FUNC_NODEINDEX, FUNCTIONS_ATTRIBUTE, GROUP, GROUP_ELEMENT, HELP, HELP_ELEMENT, HELP_EVENT, HINT, HINT_ELEMENT, HINT_EVENT, INACTIVE_CASE_PSEUDOCLASS, INCLUDENAMESPACEPREFIXES_ATTRIBUTE, INCREMENTAL_ATTRIBUTE, INDENT_ATTRIBUTE, INDEX_ATTRIBUTE, INPUT, INPUT_ELEMENT, INPUTMODE_ATTRIBUTE, INRANGE_EVENT, INRANGE_PSEUDOCLASS, INSERT, INSERT_ELEMENT, INSERT_EVENT, INSTANCE, INSTANCE_ELEMENT, InstanceDocumentClassname, INVALID_DATATYPE_ERROR, INVALID_EVENT, INVALID_PSEUDOCLASS, ISVALID_ATTRIBUTE, ITEM, ITEM_ELEMENT, ITEMSET, ITEMSET_ELEMENT, LABEL, LEVEL_ATTRIBUTE, LINK_ERROR, LINK_EXCEPTION, LOAD, LOADURI_ELEMENT, MAXOCCURS_ATTRIBUTE, MEDIA_TYPE_ELEMENT, MEDIARENDERING_PSEUDOCLASS, MEDIATYPE, MEDIATYPE_ATTRIBUTE, MESSAGE, MESSAGE_ELEMENT, METHOD_ATTRIBUTE, MINOCCURS_ATTRIBUTE, MODEL_ATTRIBUTE, MODEL_CONSTRUCT_DONE_EVENT, MODEL_CONSTRUCT_EVENT, MODEL_DESTRUCT_EVENT, MODEL_ELEMENT, MODEL_ID_ATTRIBUTE, NAME_ATTRIBUTE, NAVINDEX_ATTRIBUTE, NEXT_EVENT, NODESET_ATTRIBUTE, NUMBER_ATTRIBUTE, OMIT_XML_DECLARATION_ATTRIBUTE, OPTIONAL_EVENT, ORIGIN_ATTRIBUTE, OUTOFRANGE_EVENT, OUTOFRANGE_PSEUDOCLASS, OUTPUT_ELEMENT, P3PTYPE_ATTRIBUTE, POSITION_ATTRIBUTE, PREVIOUS_EVENT, PSVIDocumentClassname, PSVISchemaPoolClassName, RANGE, RANGE_ELEMENT, READONLY_ATTRIBUTE, READONLY_EVENT, READONLY_PSEUDOCLASS, READWRITE_EVENT, READWRITE_PSEUDOCLASS, READY_EVENT, REBUILD_ELEMENT, REBUILD_EVENT, RECALCULATE_ELEMENT, RECALCULATE_EVENT, REF_ATTRIBUTE, REFRESH_ELEMENT, REFRESH_EVENT, RELEVANT_ATTRIBUTE, REPEAT, REPEAT_ATTRIBUTE, REPEAT_BIND_ATTRIBUTE, REPEAT_ELEMENT, REPEAT_ID_ATTRIBUTE, REPEAT_MODEL_ATTRIBUTE, REPEAT_NODESET_ATTRIBUTE, REPEAT_NUMBER_ATTRIBUTE, REPEAT_STARTINDEX_ATTRIBUTE, REPLACE_ALL, REPLACE_ATTRIBUTE, REPLACE_INSTANCE, REPLACE_NEW, REPLACE_NONE, REQUIRED_ATTRIBUTE, REQUIRED_EVENT, RESET, RESET_ELEMENT, RESET_EVENT, RESOURCE_ATTRIBUTE, RESOURCE_LINKING_ATTR, REVALIDATE, REVALIDATE_ELEMENT, REVALIDATE_EVENT, SCHEMA_ATTRIBUTE, SCHEMA_CONSTRAINTS_ERROR, SCHEMA_ELEMENT, SCROLL_FIRST_EVENT, SCROLL_LAST_EVENT, SECRET, SECRET_ELEMENT, SELECT, SELECT_BOOLEAN_ELEMENT, SELECT_EVENT, SELECT_MANY_ELEMENT, SELECT_ONE_ELEMENT, SELECT1, SELECTED_ATTRIBUTE, SELECTION_ATTRIBUTE, SEND, SEPARATOR_ATTRIBUTE, SET_FOCUS_ELEMENT, SET_INDEX_ELEMENT, SETFOCUS, SETINDEX, SETVALUE, SETVALUE_ELEMENT, SHOW_ATTR, SHOW_ATTRIBUTE, SHOW_NEW, SHOW_REPLACE, SRC_ATTRIBUTE, STANDALONE_ATTRIBUTE, START_ATTRIBUTE, STARTINDEX_ATTRIBUTE, STEP_ATTRIBUTE, SUBMISSION, SUBMISSION_ATTRIBUTE, SUBMIT, SUBMIT_DONE_EVENT, SUBMIT_ELEMENT, SUBMIT_ERROR, SUBMIT_EVENT, SUBMIT_INFO_ATTRIBUTE, SUBMIT_INFO_ELEMENT, SUBMIT_INSTANCE_ELEMENT, SUBMIT_STARTED_EVENT, SUBTREE_MODIFY_END, SUBTREE_MODIFY_START, SWITCH, SWITCH_ELEMENT, TARGET_ATTRIBUTE, TEXTAREA, TEXTAREA_ELEMENT, TOGGLE, TOGGLE_ELEMENT, TRAVERSAL_ERROR, TREE_ELEMENT, TRIGGER, TYPE_ATTRIBUTE, UI_INITIALIZE_EVENT, UPLOAD, UPLOAD_ELEMENT, VALID_EVENT, VALID_PSEUDOCLASS, VALUE, VALUE_ATTRIBUTE, VALUE_CHANGED_EVENT, VALUE_CHANGING_EVENT, VALUE_ELEMENT, VERSION_ATTRIBUTE, XercesPSVIClassName, XFORMS_NS, XFormsConfigurationPSVI, XHTML_NS, XSMILES_MESSAGE_SHOWN_EVENT

Fields inherited from interface org.w3c.dom.Node

ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE

Constructor Summary

DynBoundElementImpl(XFormsElementHandler handler, java.lang.String ns, java.lang.String name)

Method Summary

void	bindingMaybeDirty() the refresh processing notifies, that the binding might have changed, and it needs to be re-evaluated
protected BindElement	checkBindAttribute()
void	checkBinding() check if my binding has changed
protected ModelElementImpl	checkModelAttribute() check that model attribute is sane, if it exists
void	checkStyling()
void	checkVisibility() This is called when a binding goes to zero nodes
java.lang.Object	clone()
void	destroy() Destroy this element and its descendants recursively.
protected void	destroyBinding()
InstanceNode	evaluateRefNode() an utility function for evaluating the ref or nodeset XPath once and returning the result.
protected BindElementImpl	getBind()
short	getBindingState() returns the current binding state
int	getBindingType()
org.w3c.dom.NodeList	getBoundNodeset() Search for my reference nodes this is multiple node binding
java.lang.String	getChildText() iterate through output and text nodes
InstanceNode	getContextForDescendant() an descendant asks for its context
org.w3c.dom.Node	getContextNode()
org.w3c.dom.NodeList	getContextNodeList()
InstanceItemListener	getInstanceItemListener()
ModelElementImpl	getModel() get this elements model (look for parents if model attribute not found)
ModelContext	getModelContext()
org.w3c.dom.Node	getNamespaceContextNode()
protected static ElementWithContext	getParentBoundElement(org.w3c.dom.Node start, ElementWithContext refElem) Used also by ModelBoundElement.
java.lang.String	getRef()
InstanceNode	getRefNode()
protected java.lang.Object	getRefNodeValue() gets the reference instance node value
XPathExpr	getRefXPathExpr()
java.lang.String	getTextWithPrecedence() get text: use precedence : refNode, linking attributes, inline text
XPathExpr	getXPath() get the XPath string to listen to
XPathEngine	getXPathEngine() executes an arbitrary XPath expression
boolean	hasBindingAttributes() is this element bound.
protected static boolean	isSameModel(ElementWithContext elem1, ElementWithContext elem2)
boolean	isSingleNodeBinding()
void	notifyBindingChanged(org.w3c.dom.NodeList newBinding) notifies the listener that the binding and the value changed
protected void	notifyBindingChangedRecursively(org.w3c.dom.Element elem)
void	notifyParentBindingChanged(DynBoundElementImpl ancestor) the ancestor may signal thru this method that its binding has changed, and therefore I should renew my context node and binding
void	renewBinding() renew my bindings
void	resetContextNode() reset my context node
void	setContextNode(InstanceNode node)
protected void	setRefNodeValue(java.lang.Object value, boolean valueChanging) Sets the reference instance node value

Methods inherited from class fi.hut.tml.xsmiles.mlfc.xforms.dom.XFormsElementImpl

debugNode, dispatch, dispatch, dispatchActivateEvent, dispatchClickEvent, dispatchEvent, findFirstRelevantControl, getBrowser, getClassName, getComponentFactory, getId, getModel, getModelId, getModelInScope, getSrc, getStyleAttrValue, getXMLDocument, handleXFormsException, init, initializeXMLEvents, isCSSLayoutDoc, moveNodes, printEvent, removeAllChildren, retrieveInstanceItem, retrieveResourceAsString, serializeNode, setClassName, setHandler, setId, setOwnerDoc

Methods inherited from class fi.hut.tml.xsmiles.dom.VisualElementImpl

addView, belongsToTree, getViews, handleEvent, insertBefore, isCurrentlyVisible, isFocusPoint, isPseudoClass, isVisibleByCSSProperties, notifyPseudoRemoved, removeAllViews, removeAttribute, removeChild, replaceChild, setAttribute, setStatus, styleChanged, updateViews

Methods inherited from class fi.hut.tml.xsmiles.dom.XSmilesElementImpl

addBinding, addUndistributedChild, clonePseudoElements, cloneSubtree, debugNode, dispatchEventInMainThread, get, getApplyBindingSheets, getAuthorSheets, getChildNodes, getElementStatus, getOriginalClone, getPseudoClass, getResourceReferencer, getRuleNode, getStyle, getText, getText, getUndistributedChildNodes, getXblImplementations, hasBinding, hasStyle, initFinalFlattenedTree, initStyle, isInitedForReset, removeBinding, removeUndistributedChild, replaceNode, resetFinalFlattenedTree, resolveURI, searchElementWithId, searchElementWithId, setApplyBindingSheets, setAuthorSheets, setPseudoClass, setRuleNode, setStyle, updateStyle

Methods inherited from class org.apache.xerces.dom.ElementNSImpl

getBaseURI, getLocalName, getNamespaceURI, getPrefix, getTypeName, getTypeNamespace, setPrefix, setType, setValues

Methods inherited from class org.apache.xerces.dom.ElementImpl

cloneNode, getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getAttributes, getDefaultAttributes, getElementsByTagName, getElementsByTagNameNS, getNodeName, getNodeType, getSchemaTypeInfo, getTagName, getXercesAttribute, hasAttribute, hasAttributeNS, hasAttributes, isEqualNode, normalize, reconcileDefaultAttributes, removeAttributeNode, removeAttributeNS, setAttributeNode, setAttributeNodeNS, setAttributeNS, setIdAttribute, setIdAttributeNode, setIdAttributeNS, setReadOnly, setupDefaultAttributes, setXercesAttributeNode, synchronizeData

Methods inherited from class org.apache.xerces.dom.ParentNode

getChildNodes, getChildNodesUnoptimized, getFirstChild, getLastChild, getLength, getOwnerDocument, getTextContent, hasChildNodes, item, setTextContent, synchronizeChildren

Methods inherited from class org.apache.xerces.dom.ChildNode

getNextSibling, getParentNode, getPreviousSibling

Methods inherited from class org.apache.xerces.dom.NodeImpl

addEventListener, appendChild, changed, changes, compareDocumentPosition, compareTreePosition, getContainer, getFeature, getNodeNumber, getNodeValue, getReadOnly, getUserData, getUserData, isDefaultNamespace, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, needsSyncChildren, removeEventListener, setNodeValue, setUserData, setUserData, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.w3c.dom.Element

getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getElementsByTagName, getElementsByTagNameNS, getTagName, hasAttribute, hasAttributeNS, removeAttribute, removeAttributeNode, removeAttributeNS, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS

Methods inherited from interface org.w3c.dom.Node

appendChild, cloneNode, getAttributes, getChildNodes, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNodeName, getNodeType, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, hasAttributes, hasChildNodes, insertBefore, isSupported, normalize, removeChild, replaceChild, setNodeValue, setPrefix

Methods inherited from interface fi.hut.tml.xsmiles.dom.StylableElement

getRuleNode, getStyle, hasStyle, isPseudoClass, setRuleNode, setStyle

Methods inherited from interface fi.hut.tml.xsmiles.dom.VisualElement

getStyle

Methods inherited from interface fi.hut.tml.xsmiles.dom.PseudoClassController

getPseudoClass, setPseudoClass

Field Detail

UNINITIALIZED

public static final short UNINITIALIZED

state: unitialized

See Also:

Constant Field Values

BINDING_ATTRIBUTES_NOT_FOUND

public static final short BINDING_ATTRIBUTES_NOT_FOUND

state: bindind attributes not found

See Also:

Constant Field Values

BOUND_NODE_NOT_FOUND

public static final short BOUND_NODE_NOT_FOUND

state: bound node was not found (non-relevant control)

See Also:

Constant Field Values

BINDING_FAILED

public static final short BINDING_FAILED

state: bindind failed (fatal error)

See Also:

Constant Field Values

BINDING_OK

public static final short BINDING_OK

state: binding ok

See Also:

Constant Field Values

binding_state

protected short binding_state

the current binding state, one of the above

bindingAttributesRequired

protected boolean bindingAttributesRequired

are binding attributes required (e.g. button does not require them

contextNode

protected InstanceNode contextNode

Repeat may set this context node

bind

protected BindElementImpl bind

init

protected boolean init

are we initializing the control

myModel

protected ModelElementImpl myModel

Gets my model element. If not specified using "model" attribute, will look for parent DynBoundElementImpl

refExpr

protected XPathExpr refExpr

Constructor Detail

DynBoundElementImpl

public DynBoundElementImpl(XFormsElementHandler handler,
                           java.lang.String ns,
                           java.lang.String name)

Method Detail

checkModelAttribute

protected ModelElementImpl checkModelAttribute()
                                        throws XFormsBindingException

check that model attribute is sane, if it exists

Throws:

XFormsBindingException

checkBindAttribute

protected BindElement checkBindAttribute()
                                  throws XFormsBindingException

Throws:

XFormsBindingException

getBind

protected BindElementImpl getBind()

getBindingType

public int getBindingType()

bindingMaybeDirty

public void bindingMaybeDirty()

the refresh processing notifies, that the binding might have changed, and it needs to be re-evaluated

Specified by:

bindingMaybeDirty in interface DynamicDependencyListener

resetContextNode

public void resetContextNode()

Description copied from interface: ElementWithContext

reset my context node

Specified by:

resetContextNode in interface ElementWithContext

renewBinding

public void renewBinding()

Description copied from interface: ElementWithContext

renew my bindings

Specified by:

renewBinding in interface ElementWithContext

destroyBinding

protected void destroyBinding()

getBindingState

public short getBindingState()

returns the current binding state

Specified by:

getBindingState in interface ElementWithContext

getBoundNodeset

public org.w3c.dom.NodeList getBoundNodeset()

Search for my reference nodes this is multiple node binding

Specified by:

getBoundNodeset in interface DynamicDependencyListener

Returns:

the currently bound instance nodes in multinode binding

getContextForDescendant

public InstanceNode getContextForDescendant()

Description copied from interface: ElementWithContext

an descendant asks for its context

Specified by:

getContextForDescendant in interface ElementWithContext

destroy

public void destroy()

Description copied from class: XSmilesElementImpl

Destroy this element and its descendants recursively. NOTE: When overriding this method, please be sure to call super.destroy(), otherwise the destroy call will not propagate. NOTE: Actually, the recursion, which destroys the elements should be here, because usually everybody forgets to call super.destroy when overriding, thus causing the destroy sceme to break down.

Specified by:

destroy in interface XFormsElement

Overrides:

destroy in class XSmilesElementImpl

setRefNodeValue

protected void setRefNodeValue(java.lang.Object value,
                               boolean valueChanging)

Sets the reference instance node value

getRefNodeValue

protected java.lang.Object getRefNodeValue()

gets the reference instance node value

getRefNode

public InstanceNode getRefNode()

Specified by:

getRefNode in interface DynamicDependencyListener

Returns:

the currently bound instance node in single node binding

getRef

public java.lang.String getRef()

getParentBoundElement

protected static ElementWithContext getParentBoundElement(org.w3c.dom.Node start,
                                                          ElementWithContext refElem)

Used also by ModelBoundElement.

setContextNode

public void setContextNode(InstanceNode node)

getContextNode

public org.w3c.dom.Node getContextNode()

Specified by:

getContextNode in interface ExpressionContainer

Returns:

the context node for the XPath expression

getXPathEngine

public XPathEngine getXPathEngine()

Description copied from interface: ExpressionContainer

executes an arbitrary XPath expression

Specified by:

getXPathEngine in interface ExpressionContainer

getModel

public ModelElementImpl getModel()

Description copied from interface: ElementWithContext

get this elements model (look for parents if model attribute not found)

Specified by:

getModel in interface ElementWithContext

Overrides:

getModel in class XFormsElementImpl

getModelContext

public ModelContext getModelContext()

Specified by:

getModelContext in interface ExpressionContainer

Returns:

the model context for this expression

getNamespaceContextNode

public org.w3c.dom.Node getNamespaceContextNode()

Specified by:

getNamespaceContextNode in interface ExpressionContainer

Returns:

the namespace context node for the XPath expression

getXPath

public XPathExpr getXPath()

get the XPath string to listen to

Specified by:

getXPath in interface DynamicDependencyListener

isSingleNodeBinding

public boolean isSingleNodeBinding()

Specified by:

isSingleNodeBinding in interface DynamicDependencyListener

Returns:

true if single node binding expression

getRefXPathExpr

public XPathExpr getRefXPathExpr()

checkVisibility

public void checkVisibility()

This is called when a binding goes to zero nodes

checkStyling

public void checkStyling()

notifyBindingChanged

public void notifyBindingChanged(org.w3c.dom.NodeList newBinding)

notifies the listener that the binding and the value changed

Specified by:

notifyBindingChanged in interface DynamicDependencyListener

notifyParentBindingChanged

public void notifyParentBindingChanged(DynBoundElementImpl ancestor)

the ancestor may signal thru this method that its binding has changed, and therefore I should renew my context node and binding

Specified by:

notifyParentBindingChanged in interface ElementWithContext

notifyBindingChangedRecursively

protected void notifyBindingChangedRecursively(org.w3c.dom.Element elem)

isSameModel

protected static boolean isSameModel(ElementWithContext elem1,
                                     ElementWithContext elem2)

getInstanceItemListener

public InstanceItemListener getInstanceItemListener()

Specified by:

getInstanceItemListener in interface DynamicDependencyListener

Returns:

the instanceItemListener for the referred nodes, for value changes without binding change

checkBinding

public void checkBinding()

check if my binding has changed

Specified by:

checkBinding in interface ElementWithContext

hasBindingAttributes

public boolean hasBindingAttributes()

is this element bound. Not all elements are always bound, such as group without ref

Specified by:

hasBindingAttributes in interface ElementWithContext

evaluateRefNode

public InstanceNode evaluateRefNode()
                             throws java.lang.Exception,
                                    org.xml.sax.SAXException

an utility function for evaluating the ref or nodeset XPath once and returning the result. This can be used by elements, who know that they are leaf nodes, and only want to evaluate it once

Throws:

java.lang.Exception

org.xml.sax.SAXException

getTextWithPrecedence

public java.lang.String getTextWithPrecedence()
                                       throws XFormsLinkException

get text: use precedence : refNode, linking attributes, inline text

Specified by:

getTextWithPrecedence in interface ElementWithContext

Throws:

XFormsLinkException

getChildText

public java.lang.String getChildText()

iterate through output and text nodes

getContextNodeList

public org.w3c.dom.NodeList getContextNodeList()

Specified by:

getContextNodeList in interface ExpressionContainer

Returns:

the list of context nodes of this expression

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Overrides:

clone in class XSmilesElementImpl

Throws:

java.lang.CloneNotSupportedException