Spring/spring-webflow
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ajax handling fixes

Browse Source
This commit is contained in:
Keith Donald
2008-03-07 19:19:47 +00:00
parent 78c1d46235
commit 02f5cd103b
8 changed files with 121 additions and 148 deletions
Download Patch File Download Diff File Expand all files Collapse all files

222
spring-faces/src/main/java/org/springframework/faces/ui/AjaxViewRoot.java
View File

@@ -55,19 +55,13 @@ public class AjaxViewRoot extends DelegatingViewRoot {
setId(original.getId() + "_ajax");
}
private void swapChildren(UIViewRoot source, UIViewRoot target) {
target.getChildren().addAll(source.getChildren());
Iterator i = target.getChildren().iterator();
while (i.hasNext()) {
UIComponent child = (UIComponent) i.next();
child.setParent(target);
}
// implementing view root
public void queueEvent(FacesEvent event) {
Assert.notNull(event, "Cannot queue a null event.");
events.add(event);
}
/*
* (non-Javadoc)
* @see org.springframework.faces.webflow.DelegatingViewRoot#encodeAll(javax.faces.context.FacesContext)
*/
public void encodeAll(FacesContext context) throws IOException {
for (int i = 0; i < getRenderIds().length; i++) {
String renderId = getRenderIds()[i];
@@ -91,55 +85,9 @@ public class AjaxViewRoot extends DelegatingViewRoot {
context.getApplication().getViewHandler().writeState(context);
updateFormAction(context);
}
broadCastEvents(context, PhaseId.APPLY_REQUEST_VALUES);
}
/**
*
* @param context
*/
private void updateFormAction(FacesContext context) {
ResponseWriter writer = context.getResponseWriter();
try {
String formId = findContainingFormId(context);
if (StringUtils.hasLength(formId)) {
String script = "dojo.byId('" + formId + "').action = "
+ context.getApplication().getViewHandler().getActionURL(context, getViewId());
writer.startElement("script", null);
writer.writeText(script, null);
writer.endElement("script");
}
} catch (IOException e) {
e.printStackTrace();
}
}
private String findContainingFormId(FacesContext context) {
for (int i = 0; i < getRenderIds().length; i++) {
UIComponent component = context.getViewRoot().findComponent(getRenderIds()[i]);
while (!(component instanceof UIViewRoot)) {
component = component.getParent();
if (component instanceof UIForm) {
return component.getClientId(context);
}
}
}
return null;
}
/*
* (non-Javadoc)
* @see org.springframework.faces.webflow.DelegatingViewRoot#processApplication(javax.faces.context.FacesContext)
*/
public void processApplication(FacesContext context) {
broadCastEvents(context, PhaseId.INVOKE_APPLICATION);
}
/*
* (non-Javadoc)
* @see org.springframework.faces.webflow.DelegatingViewRoot#processDecodes(javax.faces.context.FacesContext)
*/
public void processDecodes(FacesContext context) {
for (int i = 0; i < getProcessIds().length; i++) {
String processId = getProcessIds()[i];
@@ -153,30 +101,6 @@ public class AjaxViewRoot extends DelegatingViewRoot {
broadCastEvents(context, PhaseId.APPLY_REQUEST_VALUES);
}
private String[] removeNestedChildren(FacesContext context, String[] ids) {
List idList = Arrays.asList(ids);
final List trimmedIds = new ArrayList(idList);
for (final ListIterator i = trimmedIds.listIterator(); i.hasNext();) {
String id = (String) i.next();
invokeOnComponent(context, id, new ContextCallback() {
public void invokeContextCallback(FacesContext context, UIComponent component) {
while (!(component.getParent() instanceof UIViewRoot)) {
component = component.getParent();
if (trimmedIds.contains(component.getClientId(context))) {
i.remove();
}
}
}
});
}
return (String[]) trimmedIds.toArray(new String[trimmedIds.size()]);
}
/*
* (non-Javadoc)
* @see org.springframework.faces.webflow.DelegatingViewRoot#processUpdates(javax.faces.context.FacesContext)
*/
public void processUpdates(FacesContext context) {
for (int i = 0; i < getProcessIds().length; i++) {
String processId = getProcessIds()[i];
@@ -190,10 +114,6 @@ public class AjaxViewRoot extends DelegatingViewRoot {
broadCastEvents(context, PhaseId.UPDATE_MODEL_VALUES);
}
/*
* (non-Javadoc)
* @see org.springframework.faces.webflow.DelegatingViewRoot#processValidators(javax.faces.context.FacesContext)
*/
public void processValidators(FacesContext context) {
for (int i = 0; i < getProcessIds().length; i++) {
String processId = getProcessIds()[i];
@@ -207,47 +127,11 @@ public class AjaxViewRoot extends DelegatingViewRoot {
broadCastEvents(context, PhaseId.PROCESS_VALIDATIONS);
}
/*
* (non-Javadoc)
* @see org.springframework.faces.webflow.DelegatingViewRoot#queueEvent(javax.faces.event.FacesEvent)
*/
public void queueEvent(FacesEvent event) {
Assert.notNull(event, "Cannot queue a null event.");
events.add(event);
public void processApplication(FacesContext context) {
broadCastEvents(context, PhaseId.INVOKE_APPLICATION);
}
private void broadCastEvents(FacesContext context, PhaseId phaseId) {
List processedEvents = new ArrayList();
if (events.size() == 0)
return;
boolean abort = false;
int phaseIdOrdinal = phaseId.getOrdinal();
Iterator i = events.iterator();
while (i.hasNext()) {
FacesEvent event = (FacesEvent) i.next();
int ordinal = event.getPhaseId().getOrdinal();
if (ordinal == PhaseId.ANY_PHASE.getOrdinal() || ordinal == phaseIdOrdinal) {
UIComponent source = event.getComponent();
try {
processedEvents.add(event);
source.broadcast(event);
} catch (AbortProcessingException e) {
abort = true;
break;
}
}
}
if (abort) {
events.clear();
} else {
events.removeAll(processedEvents);
}
}
// subclassing hooks
protected String[] getProcessIds() {
if (processIds == null) {
@@ -267,7 +151,6 @@ public class AjaxViewRoot extends DelegatingViewRoot {
protected String[] getRenderIds() {
if (renderIds == null) {
FacesContext context = FacesContext.getCurrentInstance();
renderIds = (String[]) renderIdsExpr.getValue(context);
if (renderIds == null || renderIds.length == 0) {
renderIds = getProcessIds();
@@ -278,4 +161,93 @@ public class AjaxViewRoot extends DelegatingViewRoot {
return renderIds;
}
// internal helpers
private void swapChildren(UIViewRoot source, UIViewRoot target) {
target.getChildren().addAll(source.getChildren());
Iterator i = target.getChildren().iterator();
while (i.hasNext()) {
UIComponent child = (UIComponent) i.next();
child.setParent(target);
}
}
private void updateFormAction(FacesContext context) {
ResponseWriter writer = context.getResponseWriter();
try {
String formId = findContainingFormId(context);
if (StringUtils.hasLength(formId)) {
String script = "dojo.byId('" + formId + "').action = "
+ context.getApplication().getViewHandler().getActionURL(context, getViewId());
writer.startElement("script", null);
writer.writeText(script, null);
writer.endElement("script");
}
} catch (IOException e) {
e.printStackTrace();
}
}
private String findContainingFormId(FacesContext context) {
for (int i = 0; i < getRenderIds().length; i++) {
UIComponent component = context.getViewRoot().findComponent(getRenderIds()[i]);
Assert.notNull(component, "Component to be rendered with id '" + getRenderIds()[i]
+ "' could not be found.");
while (!(component instanceof UIViewRoot)) {
component = component.getParent();
if (component instanceof UIForm) {
return component.getClientId(context);
}
}
}
return null;
}
private String[] removeNestedChildren(FacesContext context, String[] ids) {
List idList = Arrays.asList(ids);
final List trimmedIds = new ArrayList(idList);
for (final ListIterator i = trimmedIds.listIterator(); i.hasNext();) {
String id = (String) i.next();
invokeOnComponent(context, id, new ContextCallback() {
public void invokeContextCallback(FacesContext context, UIComponent component) {
while (!(component.getParent() instanceof UIViewRoot)) {
component = component.getParent();
if (trimmedIds.contains(component.getClientId(context))) {
i.remove();
}
}
}
});
}
return (String[]) trimmedIds.toArray(new String[trimmedIds.size()]);
}
private void broadCastEvents(FacesContext context, PhaseId phaseId) {
List processedEvents = new ArrayList();
if (events.size() == 0)
return;
boolean abort = false;
int phaseIdOrdinal = phaseId.getOrdinal();
Iterator i = events.iterator();
while (i.hasNext()) {
FacesEvent event = (FacesEvent) i.next();
int ordinal = event.getPhaseId().getOrdinal();
if (ordinal == PhaseId.ANY_PHASE.getOrdinal() || ordinal == phaseIdOrdinal) {
UIComponent source = event.getComponent();
try {
processedEvents.add(event);
source.broadcast(event);
} catch (AbortProcessingException e) {
abort = true;
break;
}
}
}
if (abort) {
events.clear();
} else {
events.removeAll(processedEvents);
}
}
}