public void encodeCleanup(FacesContext facesContext, UIComponent uiComponent) throws IOException {
PortletResponse portletResponse =
(PortletResponse) facesContext.getExternalContext().getResponse();
String namespace = portletResponse.getNamespace();
String editorName = uiComponent.getParent().getParent().getClientId();
StringBuilder scriptBuilder = new StringBuilder();
// Build up a JavaScript fragment that will cleanup the DOM.
scriptBuilder.append("var oldEditor = CKEDITOR.instances['");
scriptBuilder.append(namespace);
scriptBuilder.append(editorName);
scriptBuilder.append("']; if (oldEditor) {");
scriptBuilder.append("oldEditor.destroy(true);");
scriptBuilder.append("delete window['");
scriptBuilder.append(namespace);
scriptBuilder.append(editorName);
scriptBuilder.append("'];");
scriptBuilder.append("}");
String script = scriptBuilder.toString();
LiferayFacesContext liferayFacesContext = LiferayFacesContext.getInstance();
liferayFacesContext.getJavaScriptMap().put(editorName, script);
logger.trace(script);
}
@Override
public void encodeBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException {
super.encodeBegin(facesContext, uiComponent);
InputEditorInternal inputEditorInternal = (InputEditorInternal) uiComponent;
ResponseWriter responseWriter = facesContext.getResponseWriter();
ExternalContext externalContext = facesContext.getExternalContext();
PortletRequest portletRequest = (PortletRequest) externalContext.getRequest();
PortletResponse portletResponse = (PortletResponse) externalContext.getResponse();
HttpServletRequest httpServletRequest = PortalUtil.getHttpServletRequest(portletRequest);
httpServletRequest = new NonNamespacedHttpServletRequest(httpServletRequest);
HttpServletResponse httpServletResponse = PortalUtil.getHttpServletResponse(portletResponse);
PortletRequest liferayPortletRequest = getLiferayPortletRequest(portletRequest);
boolean resourcePhase = (liferayPortletRequest instanceof ResourceRequest);
Map<String, Object> attributes = inputEditorInternal.getAttributes();
String onBlurMethod = (String) attributes.get("onBlurMethod");
String editorImpl = (String) attributes.get("editorImpl");
if (editorImpl == null) {
editorImpl = CKEDITOR;
}
// Build up a URL that can be used to invoke the liferay-ui:input-editor JSP tag.
String url = "/resources/liferay-ui/jsp/input-editor.jsp";
StringBuilder queryString = new StringBuilder();
queryString.append(StringPool.QUESTION);
queryString.append("editorImpl");
queryString.append(StringPool.EQUAL);
queryString.append(editorImpl);
queryString.append(StringPool.AMPERSAND);
queryString.append("height");
queryString.append(StringPool.EQUAL);
queryString.append(attributes.get("height"));
queryString.append(StringPool.AMPERSAND);
queryString.append("initMethod");
queryString.append(StringPool.EQUAL);
queryString.append(attributes.get("initMethod"));
queryString.append(StringPool.AMPERSAND);
queryString.append("name");
queryString.append(StringPool.EQUAL);
String editorName = (String) attributes.get("name");
queryString.append(editorName);
queryString.append(StringPool.AMPERSAND);
queryString.append("onChangeMethod");
queryString.append(StringPool.EQUAL);
queryString.append(attributes.get("onChangeMethod"));
queryString.append(StringPool.AMPERSAND);
queryString.append("skipEditorLoading");
queryString.append(StringPool.EQUAL);
if (resourcePhase) {
// FACES-1439: Ensure that the <script src=".../ckeditor.js" /> element is not included in the
// response by
// specifying skipEditorLoading="true" during Ajax requests.
queryString.append(Boolean.TRUE.toString());
} else {
queryString.append(Boolean.FALSE.toString());
}
queryString.append(StringPool.AMPERSAND);
queryString.append("toolbarSet");
queryString.append(StringPool.EQUAL);
queryString.append(attributes.get("toolbarSet"));
queryString.append(StringPool.AMPERSAND);
queryString.append("width");
queryString.append(StringPool.EQUAL);
queryString.append(attributes.get("width"));
url = url + queryString.toString();
// Invoke the tag and capture it's output in a String, rather than having the output go directly
// to the
// response.
RequestDispatcher requestDispatcher = httpServletRequest.getRequestDispatcher(url);
JspIncludeResponse jspIncludeResponse = new JspIncludeResponse(httpServletResponse);
try {
requestDispatcher.include(httpServletRequest, jspIncludeResponse);
} catch (ServletException e) {
logger.error(e.getMessage());
throw new IOException(e.getMessage());
}
String bufferedResponse = jspIncludeResponse.getBufferedResponse();
if (bufferedResponse != null) {
// Note: Trim the buffered response since there is typically over 100 newlines at the
// beginning.
bufferedResponse = bufferedResponse.trim();
// If rendering an instance of the CKEditor, then
String editorType = EditorUtil.getEditorValue(httpServletRequest, editorImpl);
if (editorType.indexOf(CKEDITOR) >= 0) {
String namespace = portletResponse.getNamespace();
// FACES-1441: The liferay-ui:input-editor JSP tag (and associated ckeditor.jsp file) do not
// provide a
// way to hook-in to the "onblur" callback feature of the CKEditor. In order to overcome
// this
// limitation, it is necessary to append a <script>...</script> to the response that
// provides this
// ability.
String onBlurScript = getOnBlurScript(editorName, onBlurMethod, namespace);
// If running within an Ajax request, include the "onblur" callback script must be included
// directly
// to the response.
if (resourcePhase) {
StringBuilder scriptMarkup = new StringBuilder();
scriptMarkup.append(StringPool.LESS_THAN);
scriptMarkup.append(StringPool.SCRIPT);
scriptMarkup.append(StringPool.GREATER_THAN);
scriptMarkup.append(StringPool.CDATA_OPEN);
scriptMarkup.append(onBlurScript);
scriptMarkup.append(COMMENT_CDATA_CLOSE);
scriptMarkup.append(StringPool.LESS_THAN);
scriptMarkup.append(StringPool.FORWARD_SLASH);
scriptMarkup.append(StringPool.SCRIPT);
scriptMarkup.append(StringPool.GREATER_THAN);
bufferedResponse = bufferedResponse.concat(scriptMarkup.toString());
}
// Otherwise, append the script to the "LIFERAY_SHARED_AUI_SCRIPT_DATA" request attribute,
// which will
// cause the script to be rendered at the bottom of the portal page.
else {
ScriptData scriptData =
(ScriptData) externalContext.getRequestMap().get(WebKeys.AUI_SCRIPT_DATA);
scriptData.append(getPortletId(portletRequest), onBlurScript, null);
}
// FACES-1439: If the component was rendered on the page on the previous JSF lifecycle, then
// prevent it
// from being re-initialized by removing all <script>...</script> elements.
boolean scriptsRemoved = false;
String clientId = inputEditorInternal.getClientId();
if (resourcePhase && inputEditorInternal.isPreviouslyRendered()) {
logger.debug("Preventing re-initialization of CKEditor for clientId=[{0}]", clientId);
ParsedResponse parsedResponse = new ParsedResponse(bufferedResponse);
bufferedResponse = parsedResponse.getNonScripts();
scriptsRemoved = true;
}
// FACES-1422: Move the scripts to the <eval>...</eval> section of the partial-response so
// that they
// will execute properly. This has the added benefit of preempt a DOM-diff with ICEfaces.
if (resourcePhase && !scriptsRemoved) {
logger.debug(
"Moving CKEditor scripts to <eval>...</eval> section of the partial-response for clientId=[{0}]",
clientId);
ParsedResponse parsedResponse = new ParsedResponse(bufferedResponse);
bufferedResponse = parsedResponse.getNonScripts();
String scripts = parsedResponse.getScripts();
LiferayFacesContext liferayFacesContext = LiferayFacesContext.getInstance();
liferayFacesContext.getJavaScriptMap().put(clientId, scripts);
logger.trace(scripts);
}
}
// Write the captured output from the JSP tag to the Faces responseWriter.
logger.trace(bufferedResponse);
responseWriter.write(bufferedResponse);
}
}