Java tutorial
/* * Copyright (C) 2005-2010 Alfresco Software Limited. * * This file is part of Alfresco * * Alfresco is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Alfresco is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Alfresco. If not, see <http://www.gnu.org/licenses/>. */ package org.alfresco.web.bean.wcm; import java.io.ByteArrayInputStream; import java.text.MessageFormat; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.HashMap; import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.ResourceBundle; import java.util.StringTokenizer; import javax.faces.context.FacesContext; import javax.faces.event.ValueChangeEvent; import javax.faces.model.SelectItem; import org.alfresco.error.AlfrescoRuntimeException; import org.alfresco.model.ContentModel; import org.alfresco.model.WCMAppModel; import org.alfresco.repo.avm.AVMNodeConverter; import org.alfresco.repo.content.MimetypeMap; import org.alfresco.repo.domain.PropertyValue; import org.alfresco.repo.transaction.RetryingTransactionHelper; import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback; import org.alfresco.repo.web.scripts.FileTypeImageUtils; import org.alfresco.service.cmr.avm.AVMExistsException; import org.alfresco.service.cmr.avm.AVMNodeDescriptor; import org.alfresco.service.cmr.avm.AVMService; import org.alfresco.service.cmr.avm.locking.AVMLockingService; import org.alfresco.service.cmr.avmsync.AVMDifference; import org.alfresco.service.cmr.avmsync.AVMSyncService; import org.alfresco.service.cmr.repository.NodeRef; import org.alfresco.service.namespace.QName; import org.alfresco.wcm.util.WCMUtil; import org.alfresco.web.app.AlfrescoNavigationHandler; import org.alfresco.web.app.Application; import org.alfresco.web.app.servlet.FacesHelper; import org.alfresco.web.bean.content.CreateContentWizard; import org.alfresco.web.bean.repository.Repository; import org.alfresco.web.data.IDataContainer; import org.alfresco.web.data.QuickSort; import org.alfresco.web.forms.Form; import org.alfresco.web.forms.FormInstanceData; import org.alfresco.web.forms.FormNotFoundException; import org.alfresco.web.forms.FormsService; import org.alfresco.web.forms.RenderingEngineTemplate; import org.alfresco.web.forms.Rendition; import org.alfresco.util.XMLUtil; import org.alfresco.web.forms.xforms.XFormsBean; import org.alfresco.web.ui.common.Utils; import org.alfresco.web.ui.common.component.UIListItem; import org.alfresco.web.ui.wcm.component.UIUserSandboxes; import org.apache.commons.io.FilenameUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.extensions.config.Config; import org.springframework.extensions.config.ConfigElement; import org.springframework.extensions.config.ConfigService; import org.w3c.dom.Document; /** * Bean implementation for the "Create Web Content Wizard" dialog */ public class CreateWebContentWizard extends CreateContentWizard { private static final long serialVersionUID = -4090370304405270047L; private static final Log logger = LogFactory.getLog(CreateWebContentWizard.class); private static final String MSG_ERROR_XFORMVALIDATION = "error_validate_xforms"; transient private List<SelectItem> formChoices; protected String createdPath = null; protected List<Rendition> renditions = null; protected FormInstanceData formInstanceData = null; protected boolean formSelectDisabled = false; protected boolean startWorkflow = false; protected String formDescriptionAttribute; transient private AVMLockingService avmLockingService; transient private AVMService avmService; transient private AVMSyncService avmSyncService; protected AVMBrowseBean avmBrowseBean; protected FilePickerBean filePickerBean; /** * @param avmService The AVMService to set. */ public void setAvmService(final AVMService avmService) { this.avmService = avmService; } protected AVMService getAvmService() { if (avmService == null) { avmService = Repository.getServiceRegistry(FacesContext.getCurrentInstance()) .getAVMLockingAwareService(); } return avmService; } /** * @param avmLockingService The AVMLockingService to set. */ public void setAvmLockingService(final AVMLockingService avmLockingService) { this.avmLockingService = avmLockingService; } protected AVMLockingService getAvmLockingService() { if (avmLockingService == null) { avmLockingService = Repository.getServiceRegistry(FacesContext.getCurrentInstance()) .getAVMLockingService(); } return avmLockingService; } /** * @param avmSyncService The AVMSyncService to set. */ public void setAvmSyncService(final AVMSyncService avmSyncService) { this.avmSyncService = avmSyncService; } protected AVMSyncService getAvmSyncService() { if (avmSyncService == null) { avmSyncService = Repository.getServiceRegistry(FacesContext.getCurrentInstance()).getAVMSyncService(); } return avmSyncService; } /** * @param avmBrowseBean The AVMBrowseBean to set. */ public void setAvmBrowseBean(final AVMBrowseBean avmBrowseBean) { this.avmBrowseBean = avmBrowseBean; } /** * @param filePickerBean The FilePickerBean to set. */ public void setFilePickerBean(final FilePickerBean filePickerBean) { this.filePickerBean = filePickerBean; } /** * @param formsService The FormsService to set. */ public void setFormsService(final FormsService formsService) { this.formsService = formsService; } protected FormsService getFormsService() { if (formsService == null) { formsService = (FormsService) FacesHelper.getManagedBean(FacesContext.getCurrentInstance(), "FormsService"); } return formsService; } // ------------------------------------------------------------------------------ // Wizard implementation @Override public void init(Map<String, String> parameters) { super.init(parameters); this.content = null; this.inlineEdit = true; this.formName = null; this.mimeType = MimetypeMap.MIMETYPE_XML; this.formInstanceData = null; this.renditions = null; this.startWorkflow = false; this.formSelectDisabled = false; this.createMimeTypes = null; this.formChoices = null; this.filePickerBean.clearUploadedFiles(); // check for a form ID being passed in as a parameter if (this.parameters.get(UIUserSandboxes.PARAM_FORM_NAME) != null) { // it is used to init the dialog to a specific template final String formName = parameters.get(UIUserSandboxes.PARAM_FORM_NAME); try { final Form form = this.avmBrowseBean.getWebProject().getForm(formName); if (form != null) { this.formName = form.getName(); this.formSelectDisabled = true; } } catch (FormNotFoundException fnfe) { Utils.addErrorMessage(fnfe.getMessage(), fnfe); } } // this.formDescriptionAttribute = buildFormDescriptionAttribute(); // reset the preview layer String storeName = AVMUtil.getStoreName(this.avmBrowseBean.getCurrentPath()); storeName = AVMUtil.getCorrespondingPreviewStoreName(storeName); final String path = AVMUtil.buildStoreRootPath(storeName); FacesContext context = FacesContext.getCurrentInstance(); RetryingTransactionHelper txnHelper = Repository.getRetryingTransactionHelper(context); RetryingTransactionCallback<String> callback = new RetryingTransactionCallback<String>() { public String execute() throws Throwable { if (logger.isDebugEnabled()) logger.debug("reseting layer " + path); // call the actual implementation getAvmSyncService().resetLayer(path); return null; } }; try { // Execute txnHelper.doInTransaction(callback); } catch (Exception e) { Utils.addErrorMessage(e.getMessage(), e); } } @Override public String next() { if ("summary".equals(Application.getWizardManager().getCurrentStepName())) { // if rendering a form, then save the content now to generate the renditions if (MimetypeMap.MIMETYPE_XML.equals(this.mimeType)) { FacesContext context = FacesContext.getCurrentInstance(); // ALF-10162 : invoke XForm validation during forced browser submit Map sessionMap = context.getExternalContext().getSessionMap(); if (sessionMap.containsKey("XFormsBean")) { if (logger.isDebugEnabled()) logger.debug("XFormsBean found in session, trying to validate the XForm form"); XFormsBean xFormsBean = (XFormsBean) context.getExternalContext().getSessionMap() .get("XFormsBean"); if (!xFormsBean.isXformValid()) { Application.getWizardManager().getState() .setCurrentStep(Application.getWizardManager().getCurrentStep() - 1); Utils.addErrorMessage(Application.getMessage(context, MSG_ERROR_XFORMVALIDATION)); return super.next(); } } RetryingTransactionHelper txnHelper = Repository.getRetryingTransactionHelper(context); RetryingTransactionCallback<String> callback = new RetryingTransactionCallback<String>() { public String execute() throws Throwable { // call the actual implementation saveContent(); return null; } }; try { // Execute txnHelper.doInTransaction(callback); } catch (Exception e) { Application.getWizardManager().getState() .setCurrentStep(Application.getWizardManager().getCurrentStep() - 1); Utils.addErrorMessage(e.getMessage(), e); } } } return super.next(); } @Override public String back() { if ("content".equals(Application.getWizardManager().getCurrentStepName())) { FacesContext context = FacesContext.getCurrentInstance(); RetryingTransactionHelper txnHelper = Repository.getRetryingTransactionHelper(context); RetryingTransactionCallback<String> callback = new RetryingTransactionCallback<String>() { public String execute() throws Throwable { if (formInstanceData != null) { if (logger.isDebugEnabled()) logger.debug("clearing form instance data: " + formInstanceData.getPath()); getAvmService().removeNode(formInstanceData.getPath()); } if (renditions != null) { for (Rendition r : renditions) { getAvmService().removeNode(r.getPath()); } } return null; } }; try { // Execute txnHelper.doInTransaction(callback); } catch (Exception e) { Utils.addErrorMessage(e.getMessage(), e); } this.formInstanceData = null; this.renditions = null; } return super.back(); } @Override protected String finishImpl(final FacesContext context, String outcome) throws Exception { if (this.formInstanceData == null || this.renditions == null) { this.saveContent(); } final NodeRef[] uploadedFiles = this.filePickerBean.getUploadedFiles(); final List<AVMDifference> diffList = new ArrayList<AVMDifference>( 1 + this.renditions.size() + uploadedFiles.length); diffList.add(new AVMDifference(-1, this.createdPath, -1, AVMUtil.getCorrespondingPathInMainStore(this.createdPath), AVMDifference.NEWER)); for (Rendition rendition : this.renditions) { final String path = rendition.getPath(); diffList.add(new AVMDifference(-1, path, -1, AVMUtil.getCorrespondingPathInMainStore(path), AVMDifference.NEWER)); } for (NodeRef uploadedFile : uploadedFiles) { final String path = AVMNodeConverter.ToAVMVersionPath(uploadedFile).getSecond(); diffList.add(new AVMDifference(-1, path, -1, AVMUtil.getCorrespondingPathInMainStore(path), AVMDifference.NEWER)); } if (logger.isDebugEnabled()) { for (final AVMDifference diff : diffList) { logger.debug("updating main store with " + diff.getSourcePath()); } } this.getAvmSyncService().update(diffList, null, true, true, true, true, null, null); for (final AVMDifference diff : diffList) { final String path = diff.getDestinationPath(); String storeId = AVMUtil.getStoreId(path); String storePath = AVMUtil.getStoreRelativePath(path); String storeName = AVMUtil.getStoreName(path); String lockOwner = getAvmLockingService().getLockOwner(storeId, storePath); Map<String, String> lockData = getAvmLockingService().getLockData(storeId, storePath); String fromStoreName = lockData.get(WCMUtil.LOCK_KEY_STORE_NAME); lockData.put(WCMUtil.LOCK_KEY_STORE_NAME, storeName); if (logger.isDebugEnabled()) { logger.debug("modifying lock on " + path + ". chaging store from " + fromStoreName + " to " + storeName); } this.getAvmLockingService().modifyLock(storeId, AVMUtil.getStoreRelativePath(diff.getSourcePath()), lockOwner, storeId, AVMUtil.getStoreRelativePath(path), lockData); } if (this.startWorkflow) { final List<AVMNodeDescriptor> submitNodes = new ArrayList<AVMNodeDescriptor>( 1 + this.getUploadedFiles().size() + this.getRenditions().size()); for (final AVMDifference d : diffList) { submitNodes.add(getAvmService().lookup(-1, d.getDestinationPath())); } this.avmBrowseBean.setNodesForSubmit(submitNodes); final Map<String, String> dialogParams = new HashMap<String, String>(1); dialogParams.put(SubmitDialog.PARAM_LOAD_SELECTED_NODES_FROM_BROWSE_BEAN, Boolean.TRUE.toString()); Application.getDialogManager().setupParameters(dialogParams); outcome = (outcome + AlfrescoNavigationHandler.OUTCOME_SEPARATOR + AlfrescoNavigationHandler.DIALOG_PREFIX + "submitSandboxItems"); } if (this.formProcessorSession != null) { this.formProcessorSession.destroy(); } this.filePickerBean.clearUploadedFiles(); // return the default outcome return outcome; } @Override protected String doPostCommitProcessing(final FacesContext facesContext, final String outcome) { // reset all paths and structures to the main store this.createdPath = AVMUtil.getCorrespondingPathInMainStore(this.createdPath); if (logger.isDebugEnabled()) logger.debug("reset path " + this.createdPath + " to main store"); if (MimetypeMap.MIMETYPE_XML.equals(this.mimeType) && this.formName != null) { try { this.formInstanceData = getFormsService().getFormInstanceData(-1, this.createdPath); this.renditions = this.formInstanceData.getRenditions(); if (logger.isDebugEnabled()) { logger.debug("reset form instance data " + this.formInstanceData.getName() + " and " + this.renditions.size() + " rendition(s) to main store"); } } catch (FormNotFoundException fnfe) { logger.warn(fnfe); } } this.avmBrowseBean.setAvmActionNode(new AVMNode(this.getAvmService().lookup(-1, this.createdPath))); return outcome; } @Override public boolean getNextButtonDisabled() { // TODO: Allow the next button state to be configured so that // wizard implementations don't have to worry about // checking step numbers boolean disabled = false; if ("details".equals(Application.getWizardManager().getCurrentStepName())) { disabled = (this.fileName == null || this.fileName.length() == 0); } return disabled; } /** * Save the specified content using the currently set wizard attributes */ @SuppressWarnings("unchecked") protected void saveContent() throws Exception { // get the parent path of the location to save the content String fileName = this.getFileName(); String contentName = fileName; if (logger.isDebugEnabled()) logger.debug("saving file content to " + fileName); final String cwd = AVMUtil.getCorrespondingPathInPreviewStore(this.avmBrowseBean.getCurrentPath()); final Form form = (MimetypeMap.MIMETYPE_XML.equals(this.mimeType) ? this.getForm() : null); String path = cwd; final Map<QName, PropertyValue> props = new HashMap<QName, PropertyValue>(1, 1.0f); final List<QName> aspects = new ArrayList<QName>(4); if (form != null) { path = form.getOutputPathForFormInstanceData(this.getInstanceDataDocument(), fileName, cwd, this.avmBrowseBean.getWebapp()); this.content = XMLUtil.toString(this.getInstanceDataDocument(), false); final String[] sb = AVMNodeConverter.SplitBase(path); path = sb[0]; fileName = sb[1]; props.put(WCMAppModel.PROP_PARENT_FORM_NAME, new PropertyValue(null, form.getName())); props.put(WCMAppModel.PROP_ORIGINAL_PARENT_PATH, new PropertyValue(null, cwd)); aspects.add(WCMAppModel.ASPECT_FORM_INSTANCE_DATA); } props.put(ContentModel.PROP_TITLE, new PropertyValue(null, fileName)); aspects.add(ContentModel.ASPECT_TITLED); if (logger.isDebugEnabled()) logger.debug("creating all directories in path " + path); AVMUtil.makeAllDirectories(path); if (logger.isDebugEnabled()) logger.debug("creating file " + fileName + " in " + path); // put the content of the file into the AVM store String filePath = AVMNodeConverter.ExtendAVMPath(path, fileName); try { /** * create the new file */ getAvmService().createFile(path, fileName, new ByteArrayInputStream((this.content == null ? "" : this.content).getBytes("UTF-8")), aspects, props); } catch (AVMExistsException avmee) { String msg = Application.getMessage(FacesContext.getCurrentInstance(), "error_exists"); msg = MessageFormat.format(msg, fileName); throw new AlfrescoRuntimeException(msg, avmee); } // remember the created path this.createdPath = filePath; // add titled aspect for the read/edit properties screens final NodeRef formInstanceDataNodeRef = AVMNodeConverter.ToNodeRef(-1, this.createdPath); /** * Generate form renditions. */ if (form != null) { this.formInstanceData = getFormsService().getFormInstanceData(formInstanceDataNodeRef); this.renditions = new LinkedList<Rendition>(); for (RenderingEngineTemplate ret : form.getRenderingEngineTemplates()) { try { path = ret.getOutputPathForRendition(this.formInstanceData, cwd, contentName); if (logger.isDebugEnabled()) logger.debug("About to render path: " + path); // generate the rendition this.renditions.add(ret.render(this.formInstanceData, path)); } catch (Exception e) { // TODO - improve error handling, e.g. render could return list of errors rather than splitting on newline character StringTokenizer st = new StringTokenizer(e.getMessage(), "\n"); if (st.hasMoreElements()) { Utils.addErrorMessage( "Error generating rendition using " + ret.getName() + ": " + st.nextToken(), e); while (st.hasMoreElements()) { Utils.addErrorMessage(st.nextToken(), e); } } else { Utils.addErrorMessage( "Error generating rendition using " + ret.getName() + ": " + e.getMessage(), e); } } } } else { this.renditions = Collections.EMPTY_LIST; } } // ------------------------------------------------------------------------------ // Bean Getters and Setters /** Overrides in order to strip an xml extension if the user entered it */ @Override public String getFileName() { final String result = super.getFileName(); return (result != null && MimetypeMap.MIMETYPE_XML.equals(this.mimeType) && this.getFormName() != null && "xml".equals(FilenameUtils.getExtension(result).toLowerCase()) ? FilenameUtils.removeExtension(result) : result); } /** * @return Returns the content from the edited form. */ public String getContent() { return this.content; } /** * @param content The content to edit (should be clear initially) */ public void setContent(String content) { this.content = content; } /** * @return the available forms from this web project that can be created. */ public List<SelectItem> getFormChoices() { if (this.formChoices == null) { final List<Form> forms = this.avmBrowseBean.getWebProject().getForms(); this.formChoices = new ArrayList<SelectItem>(forms.size()); for (final Form f : forms) { this.formChoices.add(new SelectItem(f.getName(), f.getTitle())); } final QuickSort sorter = new QuickSort(this.formChoices, "label", true, IDataContainer.SORT_CASEINSENSITIVE); sorter.sort(); } return this.formChoices; } /** * @return Returns a list of mime types to allow the user to select from */ public List<SelectItem> getCreateMimeTypes() { if ((this.createMimeTypes == null) || (Application.isDynamicConfig(FacesContext.getCurrentInstance()))) { final FacesContext context = FacesContext.getCurrentInstance(); // add the well known object type to start with this.createMimeTypes = new ArrayList<SelectItem>(5); // add the configured create mime types to the list final ConfigService svc = Application.getConfigService(context); final Config wizardCfg = svc.getConfig("Content Wizards"); if (wizardCfg == null) { logger.warn("Could not find 'Content Wizards' configuration section"); } else { final ConfigElement typesCfg = wizardCfg.getConfigElement("create-mime-types"); if (typesCfg == null) { logger.warn("Could not find 'create-mime-types' configuration element"); } else { for (ConfigElement child : typesCfg.getChildren()) { final String currentMimeType = child.getAttribute("name"); if (currentMimeType == null || (MimetypeMap.MIMETYPE_XML.equals(currentMimeType) && this.getFormChoices().size() == 0)) { continue; } final String label = this.getSummaryMimeType(currentMimeType); this.createMimeTypes.add(new SelectItem(currentMimeType, label)); } // make sure the list is sorted by the label final QuickSort sorter = new QuickSort(this.objectTypes, "label", true, IDataContainer.SORT_CASEINSENSITIVE); sorter.sort(); } } } return this.createMimeTypes; } /** * @return the current seleted form's name or <tt>null</tt>. */ public String getFormName() { return this.formName; } public Form getForm() throws FormNotFoundException { return (this.getFormName() != null ? this.avmBrowseBean.getWebProject().getForm(this.getFormName()) : null); } /** * @param form Sets the currently selected form */ public void setFormName(final String formName) { this.formName = formName; } /** * @return Returns the wrapper instance data for feeding the xml content to the form processor. */ public Document getInstanceDataDocument() { if (this.instanceDataDocument == null) { final String content = this.getContent(); try { this.instanceDataDocument = (content != null ? XMLUtil.parse(content) : XMLUtil.newDocument()); } catch (Exception e) { Utils.addErrorMessage("error parsing document", e); this.instanceDataDocument = XMLUtil.newDocument(); } } return this.instanceDataDocument; } /** * @return List of UI items to represent the full list of available Web Forms */ public List<SelectItem> getFormsList() { Collection<Form> forms = getFormsService().getWebForms(); List<SelectItem> items = new ArrayList<SelectItem>(forms.size() + 1); items.add(new SelectItem("", "")); for (Form form : forms) { items.add(new SelectItem(form.getName(), form.getTitle())); } return items; } /** * Returns the generated form instance data. */ public FormInstanceData getFormInstanceData() { return this.formInstanceData; } /** * Returns the generated renditions */ public List<Rendition> getRenditions() { return this.renditions; } /** * Returns the files uploaded using the form */ @SuppressWarnings("unchecked") public List<UIListItem> getUploadedFiles() { if (this.formProcessorSession == null) { return Collections.EMPTY_LIST; } final NodeRef[] uploadedFiles = this.filePickerBean.getUploadedFiles(); final List<UIListItem> result = new ArrayList<UIListItem>(uploadedFiles.length); for (NodeRef nodeRef : uploadedFiles) { final UIListItem item = new UIListItem(); final String name = (String) this.getNodeService().getProperty(nodeRef, ContentModel.PROP_NAME); item.setValue(name); item.setLabel((String) this.getNodeService().getProperty(nodeRef, ContentModel.PROP_TITLE)); item.setDescription((String) this.getNodeService().getProperty(nodeRef, ContentModel.PROP_DESCRIPTION)); item.setImage(FileTypeImageUtils.getFileTypeImage(name, false)); result.add(item); } return result; } /** * Returns the number of submittable files which is the total number of uploaded files, renditions, and the form instance data. */ public int getNumberOfSubmittableFiles() { return 1 + this.getUploadedFiles().size() + this.getRenditions().size(); } public boolean getFormSelectDisabled() { return this.formSelectDisabled; } public void setFormSelectDisabled(boolean formSelectDisabled) { this.formSelectDisabled = formSelectDisabled; } public void setStartWorkflow(final boolean startWorkflow) { this.startWorkflow = startWorkflow; } public boolean getStartWorkflow() { return this.startWorkflow; } public boolean getSubmittable() { return true; } /** * Provides path to current WCM webApp folder. */ public String getPreviewSandboxUrl() { return AVMUtil.buildWebappUrl(AVMUtil.getCorrespondingPreviewStoreName(this.avmBrowseBean.getSandbox()), this.avmBrowseBean.getWebapp()); } /** * Provides name of current WCM webApp folder. */ public String getAvmWebappPrefix() { return AVMUtil.getPreviewURI(AVMUtil.getCorrespondingPreviewStoreName(this.avmBrowseBean.getSandbox())); } /** * Provides the url to the preview sandbox containing the asset currently being edited. */ public String getAvmWebappName() { return this.avmBrowseBean.getWebapp(); } public String getSummary() { final ResourceBundle bundle = Application.getBundle(FacesContext.getCurrentInstance()); // TODO: show first few lines of content here? return this.buildSummary( new String[] { bundle.getString("file_name"), bundle.getString("type"), bundle.getString("content_type") }, new String[] { Utils.encode(this.getFileName()), this.getSummaryObjectType(), this.getSummaryMimeType(this.mimeType) }); } public boolean getEditMode() { return false; } public String getFormDescriptionAttribute() { this.formDescriptionAttribute = buildFormDescriptionAttribute(); return this.formDescriptionAttribute; } public String getFormLabelAttribute() { StringBuilder builder = new StringBuilder("<b>"); builder.append(Utils.encode(this.getFormInstanceData().getName())); builder.append("</b>"); return builder.toString(); } // ------------------------------------------------------------------------------ // Action event handlers /** * Create content type value changed by the user */ public void createContentChanged(ValueChangeEvent event) { // clear the content as HTML is not compatible with the plain text box etc. this.content = null; } private String buildFormDescriptionAttribute() { FacesContext fc = FacesContext.getCurrentInstance(); String contextPath = fc.getExternalContext().getRequestContextPath(); StringBuilder attribute = new StringBuilder(255); attribute.append("<span style=\"float:right;\">"); attribute.append("<a id=\"preview_fid\" href=\"").append(getFormInstanceData().getUrl()).append("\" "); attribute.append("style=\"text-decoration: none;\" "); attribute.append("target=\"window_").append(getFormInstanceData().getName()).append("\">"); attribute.append("<img src=\"").append(contextPath).append("/images/icons/preview_website.gif\" "); attribute.append("align=\"absmiddle\" style=\"border: 0px\" "); attribute.append("alt=").append(getFormInstanceData().getName()).append("\">"); attribute.append("</a></span>\n"); attribute.append(DescriptionAttributeHelper.getTableBegin()); String formTitle = null; try { formTitle = getForm().getTitle(); } catch (FormNotFoundException e) { formTitle = Application.getMessage(FacesContext.getCurrentInstance(), "form_not_found"); } attribute.append(DescriptionAttributeHelper.getTableLine(fc, "form", formTitle)); attribute.append(DescriptionAttributeHelper.getTableLine(fc, "location", getFormInstanceData().getSandboxRelativePath())); attribute.append(DescriptionAttributeHelper.getTableEnd()); return attribute.toString(); } }