/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.rice.krad.uif.view;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.CoreApiServiceLocator;
  import org.kuali.rice.krad.datadictionary.DataDictionary;
  import org.kuali.rice.krad.datadictionary.parse.BeanTagAttribute;
  import org.kuali.rice.krad.datadictionary.state.StateMapping;
  import org.kuali.rice.krad.datadictionary.validator.ValidationTrace;
  import org.kuali.rice.krad.datadictionary.validator.Validator;
  import org.kuali.rice.krad.lookup.LookupView;
  import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
  import org.kuali.rice.krad.uif.UifConstants;
  import org.kuali.rice.krad.uif.UifConstants.ViewStatus;
  import org.kuali.rice.krad.uif.UifConstants.ViewType;
  import org.kuali.rice.krad.uif.UifParameters;
  import org.kuali.rice.krad.uif.UifPropertyPaths;
  import org.kuali.rice.krad.uif.component.BindingInfo;
  import org.kuali.rice.krad.uif.component.Component;
  import org.kuali.rice.krad.uif.component.DelayedCopy;
  import org.kuali.rice.krad.uif.component.ReferenceCopy;
  import org.kuali.rice.krad.uif.component.RequestParameter;
  import org.kuali.rice.krad.uif.container.ContainerBase;
  import org.kuali.rice.krad.uif.container.Group;
  import org.kuali.rice.krad.uif.container.PageGroup;
  import org.kuali.rice.krad.uif.element.BreadcrumbItem;
  import org.kuali.rice.krad.uif.element.BreadcrumbOptions;
  import org.kuali.rice.krad.uif.element.HeadLink;
  import org.kuali.rice.krad.uif.element.Header;
  import org.kuali.rice.krad.uif.element.MetaTag;
  import org.kuali.rice.krad.uif.element.ViewHeader;
  import org.kuali.rice.krad.uif.lifecycle.ViewLifecycle;
  import org.kuali.rice.krad.uif.lifecycle.ViewLifecyclePhase;
  import org.kuali.rice.krad.uif.lifecycle.ViewLifecycleRestriction;
  import org.kuali.rice.krad.uif.service.ViewHelperService;
  import org.kuali.rice.krad.uif.util.ClientValidationUtils;
  import org.kuali.rice.krad.uif.util.ComponentFactory;
  import org.kuali.rice.krad.uif.util.CopyUtils;
  import org.kuali.rice.krad.uif.util.LifecycleAwareList;
  import org.kuali.rice.krad.uif.util.LifecycleAwareMap;
  import org.kuali.rice.krad.uif.util.LifecycleElement;
  import org.kuali.rice.krad.uif.util.ParentLocation;
  import org.kuali.rice.krad.uif.util.ScriptUtils;
  import org.kuali.rice.krad.uif.widget.BlockUI;
  import org.kuali.rice.krad.uif.widget.Breadcrumbs;
  import org.kuali.rice.krad.uif.widget.Growls;
  import org.kuali.rice.krad.uif.widget.Help;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.KRADConstants;
  import org.kuali.rice.krad.util.KRADUtils;
  import org.kuali.rice.krad.web.form.UifFormBase;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  /**
   * Root of the component tree which encompasses a set of related
   * GroupContainer instances tied together with a common page layout
   * and navigation.
   *
   * <p>
   * The View component ties together all the components and
   * configuration of the User Interface for a piece of functionality. In Rice
   * applications the view is typically associated with a Document
   * instance.
   * </p>
   *
   * <p>
   * The view template lays out the common header, footer, and navigation for the
   * related pages. In addition the view renders the HTML head element bringing in
   * common script files and style sheets, along with optionally rendering a form
   * element for pages that need to post data back to the server.
   * </p>
   *
   * <p>
   * Configuration of UIF features such as model validation is also done through
   * the View
   * </p>
  *
  * @author Kuali Rice Team (rice.collab@kuali.org)
  */
 public class View extends ContainerBase {
     private static final long serialVersionUID = -1220009725554576953L;
     private static final Logger LOG = LoggerFactory.getLogger(ContainerBase.class);
 
     private String namespaceCode;
     private String viewName;
     private ViewTheme theme;
 
     private String stateObjectBindingPath;
     private StateMapping stateMapping;
 
     // view header setting
     private boolean unifiedHeader;
 
     // additional view group(s)
     private Group topGroup;
 
     // application
     private Header applicationHeader;
     private Group applicationFooter;
     private Group buildFooter;
     private String applicationTitleText;
 
     // sticky flags
     private boolean stickyTopGroup;
     private boolean stickyBreadcrumbs;
     private boolean stickyHeader;
     private boolean stickyApplicationHeader;
     private boolean stickyFooter;
     private boolean stickyApplicationFooter;
 
     private List<String> contentContainerCssClasses;
 
     // Breadcrumbs
     private Breadcrumbs breadcrumbs;
     private BreadcrumbOptions breadcrumbOptions;
     private BreadcrumbItem breadcrumbItem;
     private ParentLocation parentLocation;
     private List<BreadcrumbItem> pathBasedBreadcrumbs;
 
     // Growls support
     private Growls growls;
     private boolean growlMessagingEnabled;
 
     private BlockUI refreshBlockUI;
     private BlockUI navigationBlockUI;
 
     private String entryPageId;
 
     @RequestParameter
     private String currentPageId;
 
     private Group navigation;
 
     private Class<?> formClass;
     private String defaultBindingObjectPath;
     private Map<String, Class<?>> objectPathToConcreteClassMapping;
 
     private List<String> additionalScriptFiles;
     private List<String> additionalCssFiles;
     private List<HeadLink> additionalHeadLinks;
     private List<MetaTag> additionalMetaTags;
     private boolean useLibraryCssClasses;
 
     private ViewType viewTypeName;
 
     protected ViewIndex viewIndex;
     private Map<String, String> viewRequestParameters;
 
     private boolean persistFormToSession;
     private ViewSessionPolicy sessionPolicy;
 
     private ViewPresentationController presentationController;
     private ViewAuthorizer authorizer;
 
     private Map<String, Boolean> actionFlags;
     private Map<String, Boolean> editModes;
 
     private Map<String, String> expressionVariables;
 
     private boolean singlePageView;
     private boolean mergeWithPageItems;
     private PageGroup page;
 
     @ReferenceCopy(referenceTransient=true)
     private PageGroup currentPage;
 
     private List<Group> dialogs;
 
     protected boolean applyDirtyCheck;
     private boolean translateCodesOnReadOnlyDisplay;
     private boolean supportsRequestOverrideOfReadOnlyFields;
     private boolean disableNativeAutocomplete;
     private boolean disableBrowserCache;
 
     private String preLoadScript;
 
     @DelayedCopy
     private List<? extends Component> items;
 
     private List<String> viewTemplates;
 
     private Class<? extends ViewHelperService> viewHelperServiceClass;
 
     @ReferenceCopy
     private ViewHelperService viewHelperService;
 
     private Map<String, Object> preModelContext;
 
     public View() {
         singlePageView = false;
         mergeWithPageItems = true;
         translateCodesOnReadOnlyDisplay = false;
         viewTypeName = ViewType.DEFAULT;
         formClass = UifFormBase.class;
         supportsRequestOverrideOfReadOnlyFields = true;
         disableBrowserCache = true;
         persistFormToSession = true;
         sessionPolicy = new ViewSessionPolicy();
 
         this.viewIndex = new ViewIndex();
 
         additionalScriptFiles = Collections.emptyList();
         additionalCssFiles = Collections.emptyList();
         additionalHeadLinks = Collections.emptyList();
         additionalMetaTags = Collections.emptyList();
         objectPathToConcreteClassMapping = Collections.emptyMap();
         viewRequestParameters = Collections.emptyMap();
         expressionVariables = Collections.emptyMap();
 
         dialogs = Collections.emptyList();
 
         items = Collections.emptyList();
         viewTemplates = new LifecycleAwareList<String>(this);
     }
 
     /**
      * The following initialization is performed:
      *
      * <ul>
      * <li>If a single paged view, set items in page group and put the page in
      * the items list</li>
      * <li>If {@link ViewSessionPolicy#enableTimeoutWarning} is enabled add the session timeout dialogs to the
      * views list of dialog groups</li>
      * </ul>
      *
      * {@inheritDoc}
      */
     @SuppressWarnings("unchecked")
     @Override
     public void performInitialization(Object model) {
         if (model instanceof UifFormBase) {
             UifFormBase form = (UifFormBase) model;
 
             // set view page to page requested on form
             if (StringUtils.isNotBlank(form.getPageId())) {
                 setCurrentPageId(form.getPageId());
             }
 
             String dialogId = form.getActionParamaterValue(UifParameters.DIALOG_ID);
             if (StringUtils.isNotBlank(dialogId)) {
                 form.setShowDialogId(dialogId);
 
                 // initialize the view to open the dialog if necessary
                 initializeDialogLoadScript((UifFormBase) model);
             }
         }
 
         initializeDialogReclocationScript();
 
         super.performInitialization(model);
 
         assert this == ViewLifecycle.getView();
 
         // populate items on page for single paged view
         if (singlePageView) {
             if (page != null) {
                 // remove default sections of page when requested
                 if (!mergeWithPageItems) {
                     page.setItems(new ArrayList<Group>());
                 }
 
                 // add the items configured on the view to the page items, and set as the
                 // new page items
                 List<Component> newItems = (List<Component>) page.getItems();
                 newItems.addAll(items);
                 page.setItems(newItems);
 
                 page.sortItems();
 
                 // reset the items list to include the one page
                 items = new ArrayList<Group>();
                 ((List<Group>) items).add(page);
             }
         }
         // if items is only size one and instance of page, set singlePageView to true
         else if ((this.items != null) && (this.items.size() == 1)) {
             Component itemComponent = this.items.get(0);
 
             if (itemComponent instanceof PageGroup) {
                 this.singlePageView = true;
             }
         }
 
         if (sessionPolicy.isEnableTimeoutWarning()) {
             Group warningDialog = ComponentFactory.getSessionTimeoutWarningDialog();
             warningDialog.setId(ComponentFactory.SESSION_TIMEOUT_WARNING_DIALOG);
             getDialogs().add(warningDialog);
 
             Group timeoutDialog = ComponentFactory.getSessionTimeoutDialog();
             timeoutDialog.setId(ComponentFactory.SESSION_TIMEOUT_DIALOG);
             getDialogs().add(timeoutDialog);
         }
 
         breadcrumbOptions.setupBreadcrumbs(model);
     }
 
     /**
      * Helper method to set the view's load script to open a dialog.
      *
      * @param form the form containing data
      */
     protected void initializeDialogLoadScript(UifFormBase form) {
         // check for edit line dialog action parameters and if present, then show the dialog once page is loaded
         String selectedCollectionPath = form.getActionParamaterValue(UifParameters.SELECTED_COLLECTION_PATH);
         String selectedLineIndex = form.getActionParamaterValue(UifParameters.SELECTED_LINE_INDEX);
         String dialogId = form.getShowDialogId();
 
         if (StringUtils.isNotBlank(dialogId) && StringUtils.isNotBlank(selectedCollectionPath) && StringUtils
                 .isNotBlank(selectedLineIndex)) {
             // the line index and the collection path need adjusted to account for nested collections within a
             // dialog because the dialog is shown per the root collection, but the index and path are per
             // the nested sub-collection
             String originalLineIndex = StringUtils.substring(dialogId, dialogId.length() - 1);
             if (!selectedLineIndex.equals(originalLineIndex)) {
                 selectedLineIndex = originalLineIndex;
             }
 
             // adjust the collection path to point to the root collection rather than the sub-collection
             if (selectedCollectionPath.contains(UifPropertyPaths.DIALOG_DATA_OBJECT)) {
                 String collectionId = StringUtils.substring(dialogId, dialogId.indexOf("_") + 1, dialogId.lastIndexOf(
                         "_"));
                 BindingInfo bindingInfo = (BindingInfo) form.getViewPostMetadata().getComponentPostMetadata(
                         collectionId).getData("bindingInfo");
                 selectedCollectionPath = bindingInfo.getBindingPath();
             }
 
             String actionScript = "setupImages();";
             if (StringUtils.startsWith(dialogId, ComponentFactory.EDIT_LINE_DIALOG)) {
                 actionScript +=
                         "showEditLineDialog('" + dialogId + "', '" + selectedCollectionPath + "', " + selectedLineIndex
                                 + ");";
             } else {
                 String additionalData = "{ 'actionParameters[selectedCollectionPath]' : '" + selectedCollectionPath
                         + "', 'actionParameters[selectedLineIndex]' : '0' }";
                 actionScript += "showDialog('" + dialogId + "', " + additionalData + ");";
             }
             setOnLoadScript(ScriptUtils.appendScript(getOnLoadScript(), actionScript));
         } else if (StringUtils.isNotBlank(dialogId) && !(this instanceof LookupView)) {
             String actionScript =
                     "jQuery.unblockUI();setupImages();showLoading('Loading...', window.document);showDialog('"
                             + dialogId + "');";
             setOnLoadScript(ScriptUtils.appendScript(getOnLoadScript(), actionScript));
         }
     }
 
     /**
      * Without this script dialogs might be associated with a non visible action (i.e. inside a dropdown menu).  This
      * would cause the dialog not being displayed.  To ensure that all dialog are able to be displayed the DIVs of the
      * dialogs are moved to a common location.
      */
     protected void initializeDialogReclocationScript() {
         String dialogRelocationScript = "jQuery('.modal').appendTo('#Uif-Dialogs');";
         setOnLoadScript(ScriptUtils.appendScript(getOnLoadScript(), dialogRelocationScript));
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void afterEvaluateExpression() {
         super.afterEvaluateExpression();
 
         if (getReadOnly() == null) {
             setReadOnly(false);
         }
     }
 
     /**
      * The following updates are done here:
      *
      * <ul>
      * <li>Invoke expression evaluation on view theme</li>
      * <li>Invoke theme to configure defaults</li>
      * </ul>
      */
     @Override
     public void performApplyModel(Object model, LifecycleElement parent) {
         super.performApplyModel(model, parent);
 
         View view = ViewLifecycle.getView();
         if (theme != null) {
             ViewLifecycle.getExpressionEvaluator().evaluateExpressionsOnConfigurable(view, theme, getContext());
 
             theme.configureThemeDefaults();
         }
 
         if (sessionPolicy != null) {
             ViewLifecycle.getExpressionEvaluator().evaluateExpressionsOnConfigurable(view, sessionPolicy, getContext());
         }
 
         //handle parentLocation breadcrumb chain
         parentLocation.constructParentLocationBreadcrumbItems(view, model, view.getContext());
     }
 
     /**
      * The following is performed:
      *
      * <ul>
      * <li>Adds to its document ready script the setupValidator js function for setting
      * up the validator for this view</li>
      * </ul>
      *
      * {@inheritDoc}
      */
     @SuppressWarnings("unchecked")
     @Override
     public void performFinalize(Object model, LifecycleElement parent) {
         super.performFinalize(model, parent);
 
         assert this == ViewLifecycle.getView();
 
         String preLoadScript = "";
         if (this.getPreLoadScript() != null) {
             preLoadScript = this.getPreLoadScript();
         }
 
         // Retrieve Growl and BlockUI settings
         Growls gw = getGrowls();
         if (!gw.getTemplateOptions().isEmpty()) {
             preLoadScript += "setGrowlDefaults(" + gw.getTemplateOptionsJSString() + ");";
         }
 
         BlockUI navBlockUI = getNavigationBlockUI();
         if (!navBlockUI.getTemplateOptions().isEmpty()) {
             preLoadScript += "setBlockUIDefaults("
                     + navBlockUI.getTemplateOptionsJSString()
                     + ", '"
                     + UifConstants.BLOCKUI_NAVOPTS
                     + "');";
         }
 
         BlockUI refBlockUI = getRefreshBlockUI();
         if (!refBlockUI.getTemplateOptions().isEmpty()) {
             preLoadScript += "setBlockUIDefaults("
                     + refBlockUI.getTemplateOptionsJSString()
                     + ", '"
                     + UifConstants.BLOCKUI_REFRESHOPTS
                     + "');";
         }
 
         this.setPreLoadScript(preLoadScript);
 
         String onReadyScript = "";
         if (this.getOnDocumentReadyScript() != null) {
             onReadyScript = this.getOnDocumentReadyScript();
         }
 
         // initialize session timers for giving timeout warnings
         if (sessionPolicy.isEnableTimeoutWarning()) {
             // warning minutes gives us the time before the timeout occurs to give the warning,
             // so we need to determine how long that should be from the session start
             int sessionTimeoutInterval = ((UifFormBase) model).getSessionTimeoutInterval();
             int sessionWarningSeconds = sessionPolicy.getTimeoutWarningSeconds();
 
             if (sessionWarningSeconds >= sessionTimeoutInterval) {
                 throw new RuntimeException(
                         "Time until giving the session warning should be less than the session timeout. Session Warning is "
                                 + sessionWarningSeconds
                                 + "s, session timeout is "
                                 + sessionTimeoutInterval
                                 + "s.");
             }
 
             int sessionWarningInterval = sessionTimeoutInterval - sessionWarningSeconds;
 
             onReadyScript = ScriptUtils.appendScript(onReadyScript, ScriptUtils.buildFunctionCall(
                     UifConstants.JsFunctions.INITIALIZE_SESSION_TIMERS, sessionWarningInterval,
                     sessionTimeoutInterval));
         }
 
         onReadyScript = ScriptUtils.appendScript(onReadyScript, "jQuery.extend(jQuery.validator.messages, "
                 + ClientValidationUtils.generateValidatorMessagesOption()
                 + ");");
 
         this.setOnDocumentReadyScript(onReadyScript);
 
         // Breadcrumb handling
         breadcrumbOptions.finalizeBreadcrumbs(model, this, breadcrumbItem);
 
         // Add validation default js options for validation framework to View's data attributes
         Object groupValidationDataDefaults = KRADServiceLocatorWeb.getDataDictionaryService().getDictionaryBean(
                 UifConstants.GROUP_VALIDATION_DEFAULTS_MAP_ID);
         Object fieldValidationDataDefaults = KRADServiceLocatorWeb.getDataDictionaryService().getDictionaryBean(
                 UifConstants.FIELD_VALIDATION_DEFAULTS_MAP_ID);
         Object actionDataDefaults = KRADServiceLocatorWeb.getDataDictionaryService().getDictionaryBean(
                 UifConstants.ACTION_DEFAULTS_MAP_ID);
         Object requiredIndicator = KRADServiceLocatorWeb.getDataDictionaryService().getDictionaryBean(
                 UifConstants.REQUIRED_INDICATOR_ID);
 
         // Add data defaults for common components to the view for use in js (to reduce size of individual components)
         this.addScriptDataAttribute(UifConstants.DataAttributes.GROUP_VALIDATION_DEFAULTS, ScriptUtils.convertToJsValue(
                 (Map<String, String>) groupValidationDataDefaults));
         this.addScriptDataAttribute(UifConstants.DataAttributes.FIELD_VALIDATION_DEFAULTS, ScriptUtils.convertToJsValue(
                 (Map<String, String>) fieldValidationDataDefaults));
         this.addScriptDataAttribute(UifConstants.DataAttributes.ACTION_DEFAULTS, ScriptUtils.convertToJsValue(
                 (Map<String, String>) actionDataDefaults));
         this.addScriptDataAttribute(UifConstants.DataAttributes.REQ_INDICATOR, (String) requiredIndicator);
 
         // give view role attribute for js selections
         this.addDataAttribute(UifConstants.DataAttributes.ROLE, UifConstants.RoleTypes.VIEW);
 
         // Add state mapping to post metadata
         ViewLifecycle.getViewPostMetadata().addComponentPostData(this, "stateObjectBindingPath",
                 stateObjectBindingPath);
         ViewLifecycle.getViewPostMetadata().addComponentPostData(this, "stateMapping", stateMapping);
 
         setNestedComponentId(getInstructionalMessage(), this.getId() + UifConstants.IdSuffixes.INSTRUCTIONAL);
 
         Header header = getHeader();
         Help help = getHelp();
 
         if (header != null) {
             setNestedComponentId(header, this.getId() + UifConstants.IdSuffixes.HEADER_WRAPPER);
             setNestedComponentId(header.getUpperGroup(), this.getId() + UifConstants.IdSuffixes.HEADER_UPPER_GROUP);
             setNestedComponentId(header.getRightGroup(), this.getId() + UifConstants.IdSuffixes.HEADER_RIGHT_GROUP);
             setNestedComponentId(header.getLowerGroup(), this.getId() + UifConstants.IdSuffixes.HEADER_LOWER_GROUP);
             setNestedComponentId(help, this.getId() + UifConstants.IdSuffixes.HELP_WRAPPER);
             if (help != null && help.getHelpAction() != null) {
                 setNestedComponentId(help.getHelpAction(), this.getId() + UifConstants.IdSuffixes.HELP_WRAPPER);
             }
         }
     }
 
     /**
      * Helper method for setting a new ID for the nested components
      *
      * @param component component to adjust ID for
      * @param newId
      */
     protected void setNestedComponentId(Component component, String newId) {
         if (component != null) {
             component.setId(newId);
         }
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void notifyCompleted(ViewLifecyclePhase phase) {
         super.notifyCompleted(phase);
 
         if (phase.getViewPhase().equals(UifConstants.ViewPhases.FINALIZE)) {
             ViewLifecycle.getHelper().performCustomViewFinalize(ViewLifecycle.getModel());
         }
     }
 
     /**
      * Gets all breadcrumb items related to this view's parent location.
      *
      * @return breadcrumb items
      */
     public List<BreadcrumbItem> getBreadcrumbItems() {
         if (parentLocation == null) {
             return Collections.emptyList();
         }
 
         List<BreadcrumbItem> breadcrumbItems = new ArrayList<BreadcrumbItem>();
         breadcrumbItems.add(parentLocation.getPageBreadcrumbItem());
         breadcrumbItems.add(parentLocation.getViewBreadcrumbItem());
         for (BreadcrumbItem item : parentLocation.getResolvedBreadcrumbItems()) {
             if (!breadcrumbItems.contains(item)) {
                 breadcrumbItems.add(item);
             }
         }
 
         return breadcrumbItems;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public Set<Class<? extends Component>> getSupportedComponents() {
         Set<Class<? extends Component>> supportedComponents = new HashSet<Class<? extends Component>>();
         supportedComponents.add(Group.class);
 
         return supportedComponents;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getComponentTypeName() {
         return "view";
     }
 
     /**
      * Iterates through the contained page items and returns the Page that matches the set current page id or
      * the first page in the case of a single page view.
      *
      * @return page group instance
      */
     @ViewLifecycleRestriction(exclude = UifConstants.ViewPhases.PRE_PROCESS)
     public PageGroup getCurrentPage() {
         if (currentPage != null) {
             return currentPage;
         }
 
         for (Component item : this.getItems()) {
             if (!(item instanceof PageGroup)) {
                 continue;
             }
 
             if (singlePageView || StringUtils.equals(item.getId(), getCurrentPageId())) {
                 currentPage = (PageGroup) CopyUtils.unwrap(item);
             }
         }
 
         return currentPage;
     }
 
     /**
      * Getter for returning the view's items and page for inclusion in the pre-process phase.
      *
      * <p>Note this is necessary so we get IDs assigned for all the pages during the pre-process phase. For other
      * phases, only the current page is picked up.</p>
      *
      * @return list of components to include for the pre-process phase
      */
     @ViewLifecycleRestriction(UifConstants.ViewPhases.PRE_PROCESS)
     public List<Component> getPagesForPreprocessing() {
         List<Component> processProcessItems = new ArrayList<Component>();
 
         if (getItems() != null) {
             processProcessItems.addAll(getItems());
         }
 
         if (getPage() != null) {
             processProcessItems.add(getPage());
         }
 
         return processProcessItems;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void sortItems() {
         if (!singlePageView) {
             super.sortItems();
         }
     }
 
     /**
      * Namespace code the view should be associated with.
      *
      * <p>The namespace code is used within the framework in such places as permission checks and parameter
      * retrieval</p>
      *
      * @return namespace code
      */
     @BeanTagAttribute
     public String getNamespaceCode() {
         return namespaceCode;
     }
 
     /**
      * @see View#getNamespaceCode()
      */
     public void setNamespaceCode(String namespaceCode) {
         checkMutable(true);
         this.namespaceCode = namespaceCode;
     }
 
     /**
      * View name provides an identifier for a view within a type. That is if a
      * set of View instances have the same values for the
      * properties that are used to retrieve them by their type, the name can be
      * given to further qualify the view that should be retrieved.
      *
      * <p>A view type like the LookupView might have several views for
      * the same object class, but one that is the 'default' lookup and another
      * that is the 'advanced' lookup. Therefore the name on the first could be
      * set to 'default', and likewise the name for the second 'advanced'</p>
      *
      * @return name of view
      */
     @BeanTagAttribute
     public String getViewName() {
         return this.viewName;
     }
 
     /**
      * @see View#getViewName()
      */
     public void setViewName(String viewName) {
         checkMutable(true);
         this.viewName = viewName;
     }
 
     /**
      * When true, this view will use a unified header - the page header will be omitted and its title will be used
      * in the ViewHeader supportTitle property (dynamically updated on page change).
      *
      * @return true if using a unified header
      */
     @BeanTagAttribute
     public boolean isUnifiedHeader() {
         return unifiedHeader;
     }
 
     /**
      * @see View#isUnifiedHeader()
      */
     public void setUnifiedHeader(boolean unifiedHeader) {
         checkMutable(true);
         this.unifiedHeader = unifiedHeader;
     }
 
     /**
      * TopGroup is an optional group of content that appears above the breadcrumbs and view header.
      *
      * @return the topGroup component
      */
     @BeanTagAttribute
     public Group getTopGroup() {
         return topGroup;
     }
 
     /**
      * @see View#getTopGroup()
      */
     public void setTopGroup(Group topGroup) {
         checkMutable(true);
         this.topGroup = topGroup;
     }
 
     /**
      * Header for the application containing the view.
      *
      * <p>When deploying outside a portal, the application header and footer property can be configured to
      * display a consistent header/footer across all views. Here application logos, menus, login controls
      * and so on can be rendered</p>
      *
      * @return application header
      */
     @BeanTagAttribute
     public Header getApplicationHeader() {
         return applicationHeader;
     }
 
     /**
      * @see View#getApplicationHeader()
      */
     public void setApplicationHeader(Header applicationHeader) {
         checkMutable(true);
         this.applicationHeader = applicationHeader;
     }
 
     /**
      * Footer for the application containing the view.
      *
      * <p>When deploying outside a portal, the application header and footer property can be configured to
      * display a consistent header/footer across all views. Here such things as application links, copyrights
      * and so on can be rendered</p>
      *
      * @return application footer
      */
     @BeanTagAttribute
     public Group getApplicationFooter() {
         return applicationFooter;
     }
 
     /**
      * @see View#getApplicationFooter()
      */
     public void setApplicationFooter(Group applicationFooter) {
         checkMutable(true);
         this.applicationFooter = applicationFooter;
     }
 
     /**
      * Build footer for the application containing the view.
      *
      * @return build footer
      */
     @BeanTagAttribute
     public Group getBuildFooter() {
         return buildFooter;
     }
 
     /**
      * @see View#getBuildFooter()
      */
     public void setBuildFooter(Group buildFooter) {
         this.buildFooter = buildFooter;
     }
 
     /**
      * Title text to be displayed on browser tab.
      *
      * @return
      */
     @BeanTagAttribute(name = "applicationTitleText")
     public String getApplicationTitleText() {
         return applicationTitleText;
     }
 
     /**
      * @see View#getApplicationTitleText()
      */
     public void setApplicationTitleText(String applicationTitleText) {
         this.applicationTitleText = applicationTitleText;
     }
 
     /**
      * If true, the top group will be sticky (fixed to top of window).
      *
      * @return true if the top group is sticky, false otherwise
      */
     @BeanTagAttribute
     public boolean isStickyTopGroup() {
         return stickyTopGroup;
     }
 
     /**
      * @see View#isStickyTopGroup()
      */
     public void setStickyTopGroup(boolean stickyTopGroup) {
         checkMutable(true);
         this.stickyTopGroup = stickyTopGroup;
     }
 
     /**
      * If true, the breadcrumb widget will be sticky (fixed to top of window).
      *
      * @return true if breadcrumbs are sticky, false otherwise
      */
     @BeanTagAttribute
     public boolean isStickyBreadcrumbs() {
         return stickyBreadcrumbs;
     }
 
     /**
      * @see View#isStickyBreadcrumbs()
      */
     public void setStickyBreadcrumbs(boolean stickyBreadcrumbs) {
         checkMutable(true);
         this.stickyBreadcrumbs = stickyBreadcrumbs;
     }
 
     /**
      * If true, the ViewHeader for this view will be sticky (fixed to top of window).
      *
      * @return true if the header is sticky, false otherwise
      */
     @BeanTagAttribute
     public boolean isStickyHeader() {
         if (this.getHeader() != null && this.getHeader() instanceof ViewHeader) {
             return ((ViewHeader) this.getHeader()).isSticky();
         } else {
             return false;
         }
     }
 
     /**
      * @see View#isStickyHeader()
      */
     public void setStickyHeader(boolean stickyHeader) {
         checkMutable(true);
         this.stickyHeader = stickyHeader;
         if (this.getHeader() != null && this.getHeader() instanceof ViewHeader) {
             ((ViewHeader) this.getHeader()).setSticky(stickyHeader);
         }
     }
 
     /**
      * Set to true to make the applicationHeader sticky (fixed to top of window)
      *
      * @return true if applicationHeader is sticky, false otherwise
      */
     @BeanTagAttribute
     public boolean isStickyApplicationHeader() {
         return stickyApplicationHeader;
     }
 
     /**
      * @see View#isStickyApplicationHeader()
      */
     public void setStickyApplicationHeader(boolean stickyApplicationHeader) {
         checkMutable(true);
         this.stickyApplicationHeader = stickyApplicationHeader;
     }
 
     /**
      * If true, the view footer will become sticky (fixed to bottom of window).
      *
      * @return ture if the view footer is sticky, false otherwise
      */
     @BeanTagAttribute
     public boolean isStickyFooter() {
         return stickyFooter;
     }
 
     /**
      * @see View#isStickyFooter()
      */
     public void setStickyFooter(boolean stickyFooter) {
         checkMutable(true);
         this.stickyFooter = stickyFooter;
         if (this.getFooter() != null) {
             this.getFooter().addDataAttribute(UifConstants.DataAttributes.STICKY_FOOTER, Boolean.toString(
                     stickyFooter));
         }
     }
 
     /**
      * If true, the applicationFooter will become sticky (fixed to bottom of window).
      *
      * @return true if the application footer is sticky, false otherwise
      */
     @BeanTagAttribute
     public boolean isStickyApplicationFooter() {
         return stickyApplicationFooter;
     }
 
     /**
      * @see View#isStickyApplicationFooter()
      */
     public void setStickyApplicationFooter(boolean stickyApplicationFooter) {
         checkMutable(true);
         this.stickyApplicationFooter = stickyApplicationFooter;
     }
 
     /**
      * List of CSS style classes that will be applied to a div that wraps the content.
      *
      * <p>Wrapping the content gives the ability to move between a fluid width container or a fixed width
      * container. The div is also wraps content inside sticky elements (header and footer), so visual treatment
      * can be given to the full width of the screen while restricting the area of the content.</p>
      *
      * <p>In Bootstrap, use 'container-fluid' for a fluid width container, and 'container' for a fixed width
      * container.</p>
      *
      * @return List of css classes to apply to content wrapper div
      */
     @BeanTagAttribute
     public List<String> getContentContainerCssClasses() {
         return contentContainerCssClasses;
     }
 
     /**
      * @see View#getContentContainerCssClasses()
      */
     public void setContentContainerCssClasses(List<String> contentContainerCssClasses) {
         this.contentContainerCssClasses = contentContainerCssClasses;
     }
 
     /**
      * Returns the list of {@link View#getContentContainerCssClasses()} as a concatenated string (each class
      * is separated by a space).
      *
      * @return String of content css classes
      */
     public String getContentContainerClassesAsString() {
         if (contentContainerCssClasses != null) {
             return StringUtils.join(contentContainerCssClasses, " ");
         }
 
         return "";
     }
 
     /**
      * Specifies what page should be rendered by default. This is the page that
      * will be rendered when the View is first rendered or when the
      * current page is not set
      *
      * @return id of the page to render by default
      */
     @BeanTagAttribute
     public String getEntryPageId() {
         return this.entryPageId;
     }
 
     /**
      * @see View#getEntryPageId()
      */
     public void setEntryPageId(String entryPageId) {
         checkMutable(true);
         this.entryPageId = entryPageId;
     }
 
     /**
      * The id for the page within the view that should be displayed in the UI. Other pages of the view will not be
      * rendered.
      *
      * <p>If current page id is not set, it is set to the configured entry page or first item in list id</p>
      *
      * @return id of the page that should be displayed
      */
     public String getCurrentPageId() {
         // default current page if not set
         if (StringUtils.isBlank(currentPageId)) {
             if (StringUtils.isNotBlank(entryPageId)) {
                 currentPageId = entryPageId;
             } else if ((getItems() != null) && !getItems().isEmpty()) {
                 Component firstPageGroup = getItems().get(0);
                 if (firstPageGroup instanceof PageGroup) {
                     currentPageId = firstPageGroup.getId();
                 }
             }
         }
 
         return this.currentPageId;
     }
 
     /**
      * @see View#getCurrentPageId()
      */
     public void setCurrentPageId(String currentPageId) {
         checkMutable(true);
         this.currentPageId = currentPageId;
         this.currentPage = null;
     }
 
     /**
      * NavigationGroup instance for the View<
      *
      * <p>Provides configuration necessary to render the navigation. This includes
      * navigation items in addition to configuration for the navigation
      * renderer</p>
      *
      * @return NavigationGroup
      */
     @BeanTagAttribute
     public Group getNavigation() {
         return this.navigation;
     }
 
     /**
      * @see View#getNavigation()
      */
     public void setNavigation(Group navigation) {
         checkMutable(true);
         this.navigation = navigation;
     }
 
     /**
      * Class of the Form that should be used with the View instance.
      *
      * <p>The form is the top level object for all the view's data and is
      * used to present and accept data in the user interface. All form classes
      * should extend UifFormBase</p>
      *
      * @return class for the view's form
      * @see org.kuali.rice.krad.web.form.UifFormBase
      */
     @BeanTagAttribute
     public Class<?> getFormClass() {
         return this.formClass;
     }
 
     /**
      * @see View#getFormClass()
      */
     public void setFormClass(Class<?> formClass) {
         checkMutable(true);
         this.formClass = formClass;
     }
 
     /**
      * For View types that work primarily with one nested object of
      * the form (for instance document, or bo) the default binding object path
      * can be set for each of the views DataBinding components. If
      * the component does not set its own binding object path it will inherit
      * the default.
      *
      * @return binding path to the object from the form
      */
     @BeanTagAttribute
     public String getDefaultBindingObjectPath() {
         return this.defaultBindingObjectPath;
     }
 
     /**
      * @see View#getDefaultBindingObjectPath()
      */
     public void setDefaultBindingObjectPath(String defaultBindingObjectPath) {
         checkMutable(true);
         this.defaultBindingObjectPath = defaultBindingObjectPath;
     }
 
     /**
      * Configures the concrete classes that will be used for properties in the
      * form object graph that have an abstract or interface type.
      *
      * <p>For properties that have an abstract or interface type, it is not
      * possible to perform operations like getting/settings property values and
      * getting information from the dictionary. When these properties are
      * encountered in the object graph, this Map will be consulted
      * to determine the concrete type to use</p>
      *
      * <p>e.g. Suppose we have a property document.accountingLine.accountNumber and
      * the accountingLine property on the document instance has an interface
      * type 'AccountingLine'. We can then put an entry into this map with key
      * 'document.accountingLine', and value
      * 'org.kuali.rice.sampleapp.TravelAccountingLine'. When getting the
      * property type or an entry from the dictionary for accountNumber, the
      * TravelAccountingLine class will be used</p>
      *
      * @return Map<String, Class> of class implementations keyed by path
      */
     @BeanTagAttribute
     public Map<String, Class<?>> getObjectPathToConcreteClassMapping() {
         if (objectPathToConcreteClassMapping == Collections.EMPTY_MAP && isMutable(true)) {
             objectPathToConcreteClassMapping = new HashMap<String, Class<?>>();
         }
 
         return this.objectPathToConcreteClassMapping;
     }
 
     /**
      * @see View#getObjectPathToConcreteClassMapping()
      */
     public void setObjectPathToConcreteClassMapping(Map<String, Class<?>> objectPathToConcreteClassMapping) {
         checkMutable(true);
         this.objectPathToConcreteClassMapping = objectPathToConcreteClassMapping;
     }
 
     /**
      * Declares additional script files that should be included with the
      * View.
      *
      * <p>These files are brought into the HTML page along with
      * common script files configured for the Rice application. Each entry
      * contain the path to the CSS file, either a relative path, path from web
      * root, or full URI</p>
      *
      * <p>e.g. '/krad/scripts/myScript.js', '../scripts/myScript.js',
      * 'http://my.edu/web/myScript.js'</p>;
      *
      * @return script file locations
      */
     @BeanTagAttribute
     public List<String> getAdditionalScriptFiles() {
         if (additionalScriptFiles == Collections.EMPTY_LIST && isMutable(true)) {
             additionalScriptFiles = new LifecycleAwareList<String>(this);
         }
 
         return additionalScriptFiles;
     }
 
     /**
      * @see View#getAdditionalScriptFiles()
      */
     public void setAdditionalScriptFiles(List<String> additionalScriptFiles) {
         checkMutable(true);
         if (additionalScriptFiles == null) {
             this.additionalScriptFiles = Collections.emptyList();
         } else {
             this.additionalScriptFiles = new LifecycleAwareList<String>(this, additionalScriptFiles);
         }
     }
 
     /**
      * Declares additional CSS files that should be included with the View.
      *
      * <p>These files are brought into the HTML page along with
      * common CSS files configured for the Rice application. Each entry should
      * contain the path to the CSS file, either a relative path, path from web
      * root, or full URI</p>
      *
      * <p>e.g. '/krad/css/stacked-view.css', '../css/stacked-view.css',
      * 'http://my.edu/web/stacked-view.css'</p>;
      *
      * @return CSS file locations
      */
     @BeanTagAttribute
     public List<String> getAdditionalCssFiles() {
         if (additionalCssFiles == Collections.EMPTY_LIST && isMutable(true)) {
             additionalCssFiles = new LifecycleAwareList<String>(this);
         }
 
         return additionalCssFiles;
     }
 
     /**
      * @see View#getAdditionalCssFiles()
      */
     public void setAdditionalCssFiles(List<String> additionalCssFiles) {
         checkMutable(true);
         if (additionalCssFiles == null) {
             this.additionalCssFiles = Collections.emptyList();
         } else {
             this.additionalCssFiles = new LifecycleAwareList<String>(this, additionalCssFiles);
         }
     }
 
     /**
      * List of additional link tags that should be included with the View in the html head.
      *
      * @return headlink objects
      */
     @BeanTagAttribute
     public List<HeadLink> getAdditionalHeadLinks() {
         return additionalHeadLinks;
     }
 
     /**
      * @see View#getAdditionalHeadLinks()
      */
     public void setAdditionalHeadLinks(List<HeadLink> additionalHeadLinks) {
         this.additionalHeadLinks = additionalHeadLinks;
     }
 
     /**
      * List of additional meta tags that should be included with the View in the html head tag.
      *
      * @return   additionalMetaTags
      */
     @BeanTagAttribute
     public List<MetaTag> getAdditionalMetaTags() {
         return additionalMetaTags;
     }
 
     /**
      * @see View#getAdditionalMetaTags()
      */
     public void setAdditionalMetaTags(List<MetaTag> additionalMetaTags) {
         this.additionalMetaTags = additionalMetaTags;
     }
 
     /**
      * True if the libraryCssClasses set on components will be output to their class attribute, false otherwise.
      *
      * @return true if using libraryCssClasses on components
      */
     @BeanTagAttribute
     public boolean isUseLibraryCssClasses() {
         return useLibraryCssClasses;
     }
 
     /**
      * @see View#isUseLibraryCssClasses()
      */
     public void setUseLibraryCssClasses(boolean useLibraryCssClasses) {
         checkMutable(true);
         this.useLibraryCssClasses = useLibraryCssClasses;
     }
 
     /**
      * List of templates that are used to render the view.
      *
      * <p>This list will be populated by unique template names as the components of the view are being processed.
      * Additional templates can be added in the view configuration if desired. At the beginning of the the view
      * rendering, each template in the list will then be included or processed by the template language</p>
      *
      * <p>Note the user of this depends on the template language being used for rendering. Some languages might require
      * including the template for each component instance (for example JSP templates). While others might simply
      * include markup that is then available for rendering each component instance (for example FreeMarker which has
      * a macro for each component that the template defines)</p>
      *
      * @return list of template names that should be included for rendering the view
      */
     public List<String> getViewTemplates() {
         return viewTemplates;
     }
 
     /**
      * Adds a template to the views include list.
      *
      * @param template path to template to add
      */
     public void addViewTemplate(String template) {
         if (StringUtils.isEmpty(template)) {
             return;
         }
 
         if (!viewTemplates.contains(template)) {
             synchronized (viewTemplates) {
                 viewTemplates.add(template);
             }
         }
     }
 
     /**
      * Setter for the the list of template names that should be included to render the view
      *
      * @param viewTemplates
      */
     public void setViewTemplates(List<String> viewTemplates) {
         checkMutable(true);
 
         if (viewTemplates == null) {
             this.viewTemplates = new LifecycleAwareList<String>(this);
         } else {
             this.viewTemplates = new LifecycleAwareList<String>(this, viewTemplates);
         }
     }
 
     /**
      * View type name the view is associated with the view instance
      *
      * <p>Views that share common features and functionality can be grouped by the
      * view type. Usually view types extend the <code>View</code> class to
      * provide additional configuration and to set defaults. View types can also
      * implement the <code>ViewTypeService</code> to add special indexing and
      * retrieval of views</p>
      *
      * @return view type name for the view
      */
     @BeanTagAttribute
     public ViewType getViewTypeName() {
         return this.viewTypeName;
     }
 
     /**
      * @see View#getViewTypeName()
      */
     public void setViewTypeName(ViewType viewTypeName) {
         checkMutable(true);
         this.viewTypeName = viewTypeName;
     }
 
     /**
      * Class name of the ViewHelperService that handles the various phases of the Views lifecycle.
      *
      * @return Class for the spring bean
      * @see org.kuali.rice.krad.uif.service.ViewHelperService
      */
     @BeanTagAttribute
     public Class<? extends ViewHelperService> getViewHelperServiceClass() {
         return this.viewHelperServiceClass;
     }
 
     /**
      * Setter for the <code>ViewHelperService</code> class name
      * Also initializes the viewHelperService
      *
      * @param viewHelperServiceClass
      */
     public void setViewHelperServiceClass(Class<? extends ViewHelperService> viewHelperServiceClass) {
         checkMutable(true);
         this.viewHelperServiceClass = viewHelperServiceClass;
         if ((this.viewHelperService == null) && (this.viewHelperServiceClass != null)) {
             viewHelperService = KRADUtils.createNewObjectFromClass(viewHelperServiceClass);
         }
     }
 
     /**
      * Creates the <code>ViewHelperService</code> associated with the View
      *
      * @return ViewHelperService instance
      */
     @BeanTagAttribute
     public ViewHelperService getViewHelperService() {
         return viewHelperService;
     }
 
     /**
      * @see View#getViewHelperServiceClass()
      */
     public void setViewHelperService(ViewHelperService viewHelperService) {
         checkMutable(true);
         this.viewHelperService = viewHelperService;
     }
 
     /**
      * Invoked to produce a ViewIndex of the current view's components
      */
     public void clearIndex() {
         if (this.viewIndex == null) {
             this.viewIndex = new ViewIndex();
         }
         this.viewIndex.clearIndex(this);
     }
 
     /**
      * Holds field indexes of the View instance for retrieval.
      *
      * @return ViewIndex instance
      */
     public ViewIndex getViewIndex() {
         return this.viewIndex;
     }
 
     /**
      * Map of parameters from the request that set view options, used to rebuild
      * the view on each post
      *
      * <p>
      * Views can be configured by parameters. These might impact which parts of
      * the view are rendered or how the view behaves. Generally these would get
      * passed in when a new view is requested (by request parameters). These
      * will be used to initially populate the view properties. In addition, on a
      * post the view will be rebuilt and properties reset again by the allow
      * request parameters.
      * </p>
      *
      * <p>
      * Example parameter would be for MaintenaceView whether a New, Edit, or
      * Copy was requested (maintenance mode)
      * </p>
      *
      * @return
      */
     public Map<String, String> getViewRequestParameters() {
         return this.viewRequestParameters;
     }
 
     /**
      * @see View#getViewRequestParameters()
      */
     public void setViewRequestParameters(Map<String, String> viewRequestParameters) {
         checkMutable(true);
         this.viewRequestParameters = Collections.unmodifiableMap(viewRequestParameters);
     }
 
     /**
      * Indicates whether the form (model) associated with the view should be stored in the user session.
      *
      * <p>The form class (or model) is used to hold the data that backs the view along with the built view object. Storing
      * the form instance in session allows many things:
      *
      * <ul>
      * <li>Data does not need to be rebuilt for each server request (for example a collection)</li>
      * <li>Data that does not need to go to the user can remain on the form, reducing the size of the response and
      * improving security</li>
      * <li>Data can be keep around in a 'pre-save' state. When requested by the user changes can then be persisted to
      * the database</li>
      * <li>Certain information about the view that was rendered, such as input fields, collection paths, and refresh
      * components can be kept on the form to support UI interaction</li>
      * </ul>
      *
      * Setting this flag to false will prevent the form from being kept in session and as a result will limit what can
      * be done by the framework. In almost all cases this is not recommended</p>
      *
      * <p>Note all forms will be cleared when the user session expires (based on the rice configuration). In addition, the
      * framework enables clear points on certain actions to remove the form when it is no longer needed</p>
      *
      * @return true if the form should be stored in the user session, false if only request based
      */
     @BeanTagAttribute
     public boolean isPersistFormToSession() {
         return persistFormToSession;
     }
 
     /**
      * @see View#isPersistFormToSession()
      */
     public void setPersistFormToSession(boolean persistFormToSession) {
         checkMutable(true);
         this.persistFormToSession = persistFormToSession;
     }
 
     /**
      * Configures behavior that should occur when a session timeout occurs on the view.
      *
      * @return view session policy instance
      */
     @BeanTagAttribute
     public ViewSessionPolicy getSessionPolicy() {
         return sessionPolicy;
     }
 
     /**
      * @see View#getSessionPolicy()
      */
     public void setSessionPolicy(ViewSessionPolicy sessionPolicy) {
         checkMutable(true);
         this.sessionPolicy = sessionPolicy;
     }
 
     /**
      * PresentationController that should be used for the View instance.
      *
      * <p>The presentation controller is consulted to determine component (group,
      * field) state such as required, read-only, and hidden. The presentation
      * controller does not take into account user permissions. The presentation
      * controller can also output action flags and edit modes that will be set
      * onto the view instance and can be referred to by conditional expressions</p>
      *
      * @return PresentationController
      */
     @BeanTagAttribute
     public ViewPresentationController getPresentationController() {
         return this.presentationController;
     }
 
     /**
      * @see View#getPresentationController()
      */
     public void setPresentationController(ViewPresentationController presentationController) {
         checkMutable(true);
         this.presentationController = presentationController;
     }
 
     /**
      * Setter for the view's presentation controller by class
      *
      * @param presentationControllerClass
      */
     public void setPresentationControllerClass(
             Class<? extends ViewPresentationController> presentationControllerClass) {
         checkMutable(true);
         this.presentationController = KRADUtils.createNewObjectFromClass(presentationControllerClass);
     }
 
     /**
      * Authorizer that should be used for the View instance
      *
      * <p>The authorizer class is consulted to determine component (group, field)
      * state such as required, read-only, and hidden based on the users
      * permissions. It typically communicates with the Kuali Identity Management
      * system to determine roles and permissions. It is used with the
      * presentation controller and dictionary conditional logic to determine the
      * final component state. The authorizer can also output action flags and
      * edit modes that will be set onto the view instance and can be referred to
      * by conditional expressions</p>
      *
      * @return Authorizer
      */
     @BeanTagAttribute
     public ViewAuthorizer getAuthorizer() {
         return this.authorizer;
     }
 
     /**
      * @see View#getAuthorizer()
      */
     public void setAuthorizer(ViewAuthorizer authorizer) {
         checkMutable(true);
         this.authorizer = authorizer;
     }
 
     /**
      * Setter for the view's authorizer by class
      *
      * @param authorizerClass
      */
     public void setAuthorizerClass(Class<? extends ViewAuthorizer> authorizerClass) {
         checkMutable(true);
         this.authorizer = KRADUtils.createNewObjectFromClass(authorizerClass);
     }
 
     /**
      * Map of strings that flag what actions can be taken in the UI.
      *
      * <p>These can be used in conditional expressions in the dictionary or by
      * other UI logic</p>
      *
      * @return action flags
      */
     @BeanTagAttribute
     public Map<String, Boolean> getActionFlags() {
         if (actionFlags == Collections.EMPTY_MAP && isMutable(true)) {
             actionFlags = new LifecycleAwareMap<String, Boolean>(this);
         }
 
         return actionFlags;
     }
 
     /**
      * @see View#getActionFlags()
      */
     public void setActionFlags(Map<String, Boolean> actionFlags) {
         checkMutable(true);
         if (actionFlags == null) {
             this.actionFlags = Collections.emptyMap();
         } else {
             this.actionFlags = new LifecycleAwareMap<String, Boolean>(this, actionFlags);
         }
     }
 
     /**
      * Map of edit modes that enabled for the view.
      *
      * <p>These can be used in conditional expressions in the dictionary or by
      * other UI logic</p>
      *
      * @return edit modes
      */
     @BeanTagAttribute
     public Map<String, Boolean> getEditModes() {
         if (editModes == Collections.EMPTY_MAP && isMutable(true)) {
             editModes = new LifecycleAwareMap<String, Boolean>(this);
         }
 
         return editModes;
     }
 
     /**
      * @see View#getEditModes()
      */
     public void setEditModes(Map<String, Boolean> editModes) {
         checkMutable(true);
         if (editModes == null) {
             this.editModes = Collections.emptyMap();
         } else {
             this.editModes = new LifecycleAwareMap<String, Boolean>(this, editModes);
         }
     }
 
     /**
      * Map that contains expressions to evaluate and make available as variables
      * for conditional expressions within the view.
      *
      * <p>Each Map entry contains one expression variables, where the map key gives
      * the name for the variable, and the map value gives the variable
      * expression. The variables expressions will be evaluated before
      * conditional logic is run and made available as variables for other
      * conditional expressions. Variable expressions can be based on the model
      * and any object contained in the view's context</p>
      *
      * @return variable expressions
      */
     @BeanTagAttribute
     public Map<String, String> getExpressionVariables() {
         return this.expressionVariables;
     }
 
     /**
      * @see View#getExpressionVariables()
      */
     public void setExpressionVariables(Map<String, String> expressionVariables) {
         checkMutable(true);
         this.expressionVariables = Collections.unmodifiableMap(expressionVariables);
     }
 
     /**
      * Indicates whether the View only has a single page
      * Group or contains multiple page Group instances.
      *
      * <p>In the case of a single page it is assumed the group's items
      * list contains the section groups for the page, and the page itself is
      * given by the page property ({@link #getPage()}. This is for convenience
      * of configuration and also can drive other configuration like styling</p>
      *
      * @return true if the view only contains one page group, false if
      * it contains multple pages
      */
     @BeanTagAttribute
     public boolean isSinglePageView() {
         return this.singlePageView;
     }
 
     /**
      * @see View#isSinglePageView()
      */
     public void setSinglePageView(boolean singlePageView) {
         checkMutable(true);
         this.singlePageView = singlePageView;
     }
 
     /**
      * Indicates whether the default sections specified in the page items list
      * should be included for this view.  This only applies to single paged views.
      *
      * @return true if the view should contain the default sections
      * specified in the page
      */
     @BeanTagAttribute
     public boolean isMergeWithPageItems() {
         return mergeWithPageItems;
     }
 
     /**
      * @see View#isMergeWithPageItems()
      */
     public void setMergeWithPageItems(boolean mergeWithPageItems) {
         checkMutable(true);
         this.mergeWithPageItems = mergeWithPageItems;
     }
 
     /**
      * For single paged views ({@link #isSinglePageView()}, gives the page
      * Group the view should render. The actual items for the page
      * is taken from the group's items list ({@link #getItems()}, and set onto
      * the give page group. This is for convenience of configuration.
      *
      * @return page group for single page views
      */
     @ViewLifecycleRestriction
     @BeanTagAttribute(type = BeanTagAttribute.AttributeType.DIRECT)
     public PageGroup getPage() {
         return this.page;
     }
 
     /**
      * @see View#getPage()
      */
     public void setPage(PageGroup page) {
         checkMutable(true);
         this.page = page;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     @ViewLifecycleRestriction
     @BeanTagAttribute
     public List<? extends Component> getItems() {
         if (items == Collections.EMPTY_LIST && isMutable(true)) {
             items = new LifecycleAwareList<Component>(this);
         }
 
         return items;
     }
 
     /**
      * {@inheritDoc}
      */
     @SuppressWarnings("unchecked")
     @Override
     public void setItems(List<? extends Component> items) {
         checkMutable(true);
 
         if (items == null) {
             this.items = Collections.emptyList();
         } else {
             // TODO: Fix this unchecked condition.
             this.items = new LifecycleAwareList<Component>(this, (List<Component>) items);
         }
     }
 
     /**
      * Provide a list of dialog groups associated with this view.
      *
      * @return List of dialog Groups
      */
     @BeanTagAttribute
     @ViewLifecycleRestriction(value = UifConstants.ViewPhases.FINALIZE,
             condition = "!ajaxRequest || (ajaxReturnType eq 'update-view') || (ajaxReturnType eq 'update-page')")
     public List<Group> getDialogs() {
         if (dialogs == Collections.EMPTY_LIST && isMutable(true)) {
             dialogs = new LifecycleAwareList<Group>(this);
         }
 
         return dialogs;
     }
 
     /**
      * @see View#getDialogs()
      */
     public void setDialogs(List<Group> dialogs) {
         checkMutable(true);
 
         if (dialogs == null) {
             this.dialogs = Collections.emptyList();
         } else {
             this.dialogs = new LifecycleAwareList<Group>(this, dialogs);
         }
     }
 
     /**
      * Breadcrumb widget used for displaying homeward path and history
      *
      * @return the breadcrumbs
      */
     @BeanTagAttribute(type = BeanTagAttribute.AttributeType.DIRECTORBYTYPE)
     public Breadcrumbs getBreadcrumbs() {
         return this.breadcrumbs;
     }
 
     /**
      * @param breadcrumbs the breadcrumbs to set
      */
     public void setBreadcrumbs(Breadcrumbs breadcrumbs) {
         checkMutable(true);
         this.breadcrumbs = breadcrumbs;
     }
 
     /**
      * The breadcrumbOptions for this view.
      *
      * <p>Render options set at the view level are always ignored (only apply to
      * page level BreadcrumbOptions).  BreadcrumbOptions for homewardPathBreadcrumbs,
      * preViewBreadcrumbs, prePageBreadcrumbs,
      * and breadcrumbOverrides are inherited by
      * child pages unless they override them themselves.</p>
      *
      * @return the BreadcrumbOptions for this view
      */
     @BeanTagAttribute(type = BeanTagAttribute.AttributeType.DIRECTORBYTYPE)
     public BreadcrumbOptions getBreadcrumbOptions() {
         return breadcrumbOptions;
     }
 
     /**
      * @see View#getBreadcrumbOptions()
      */
     public void setBreadcrumbOptions(BreadcrumbOptions breadcrumbOptions) {
         checkMutable(true);
         this.breadcrumbOptions = breadcrumbOptions;
     }
 
     /**
      * The View's breadcrumbItem defines settings for the breadcrumb which appears in the breadcrumb list for this
      * view.
      *
      * @return the breadcrumbItem
      */
     @BeanTagAttribute(type = BeanTagAttribute.AttributeType.DIRECTORBYTYPE)
     public BreadcrumbItem getBreadcrumbItem() {
         return breadcrumbItem;
     }
 
     /**
      * @see View#getBreadcrumbItem()
      */
     public void setBreadcrumbItem(BreadcrumbItem breadcrumbItem) {
         checkMutable(true);
         this.breadcrumbItem = breadcrumbItem;
     }
 
     /**
      * The parentLocation defines urls that represent the parent of a View in a conceptial site hierarchy.
      *
      * <p>By defining a parent with these urls defined, a breadcrumb chain can be generated and displayed automatically
      * before this View's breadcrumbItem(s).  To chain multiple views, the urls must be defining viewId and
      * controllerMapping settings instead of setting an href directly (this will end the chain).  If labels are
      * not set on parentLocations, the labels will attempt to be derived from parent views/pages breadcrumbItem
      * and headerText - if these contain expressions which cannot be evaluated in the current context an exception
      * will be thrown</p>
      *
      * @return the parentLocation
      */
     @BeanTagAttribute(type = BeanTagAttribute.AttributeType.DIRECTORBYTYPE)
     public ParentLocation getParentLocation() {
         return parentLocation;
     }
 
     /**
      * @see View#getParentLocation()
      */
     public void setParentLocation(ParentLocation parentLocation) {
         checkMutable(true);
         this.parentLocation = parentLocation;
     }
 
     /**
      * The pathBasedBreadcrumbs for this View.  These can only be set by the framework.
      *
      * @return the path based breadcrumbs
      */
     public List<BreadcrumbItem> getPathBasedBreadcrumbs() {
         return pathBasedBreadcrumbs;
     }
 
     /**
      * The pathBasedBreadcrumbs for this View.
      *
      * @param pathBasedBreadcrumbs
      */
     public void setPathBasedBreadcrumbs(List<BreadcrumbItem> pathBasedBreadcrumbs) {
         checkMutable(true);
         this.pathBasedBreadcrumbs = pathBasedBreadcrumbs == null ? null : new LifecycleAwareList<BreadcrumbItem>(this,
                 pathBasedBreadcrumbs);
     }
 
     /**
      * Growls widget which sets up global settings for the growls used in this
      * view and its pages.
      *
      * @return the growls
      */
     @BeanTagAttribute
     public Growls getGrowls() {
         return this.growls;
     }
 
     /**
      * @param growls the growls to set
      */
     public void setGrowls(Growls growls) {
         checkMutable(true);
         this.growls = growls;
     }
 
     /**
      * @return returns the refresh block object
      */
     @BeanTagAttribute
     public BlockUI getRefreshBlockUI() {
         return refreshBlockUI;
     }
 
     /**
      * Set the refresh BlockUI used with single element blocking
      * (such as ajax based element loading/updates)
      *
      * @param refreshBlockUI
      */
     public void setRefreshBlockUI(BlockUI refreshBlockUI) {
         checkMutable(true);
         this.refreshBlockUI = refreshBlockUI;
     }
 
     /**
      * @return returns the navigation block object
      */
     @BeanTagAttribute
     public BlockUI getNavigationBlockUI() {
         return navigationBlockUI;
     }
 
     /**
      * Set the navigation BlockUI used with single page blocking
      * (such as full page loading/saving)
      *
      * @param navigationBlockUI
      */
     public void setNavigationBlockUI(BlockUI navigationBlockUI) {
         checkMutable(true);
         this.navigationBlockUI = navigationBlockUI;
     }
 
     /**
      * Whether to use growls to show messages - info, warning and error
      *
      * <p>Growls use the messages contained in the message map. If enabled, info
      * messages in their entirety will be displayed in growls, for warning and
      * error messages a growl message will notify the user that these messages
      * exist on the page.</p>
      *
      * <p> If this setting is disabled, it is recommended that
      * infoMessage display be enabled for the page ValidationMessages bean in order to
      * display relevant information to the user. Note: the growl scripts are
      * built out in the PageGroup class.</p>
      *
      * @return the growlMessagingEnabled
      */
     @BeanTagAttribute
     public boolean isGrowlMessagingEnabled() {
         return this.growlMessagingEnabled;
     }
 
     /**
      * enable or disable showing of messages using growls
      *
      * @param growlMessagingEnabled the growlMessagingEnabled to set
      */
     public void setGrowlMessagingEnabled(boolean growlMessagingEnabled) {
         checkMutable(true);
         this.growlMessagingEnabled = growlMessagingEnabled;
     }
 
     /**
      * Indicates whether the form should be validated for dirtyness.
      *
      * <p>For FormView, it's necessary to validate when the user tries to navigate out of the form. If set, all the
      * InputFields will be validated on refresh, navigate, cancel or close Action or on form
      * unload and if dirty, displays a message and user can decide whether to continue with
      * the action or stay on the form. For lookup and inquiry, it's not needed to validate</p>
      *
      * @return true if dirty validation is set
      */
     @BeanTagAttribute
     public boolean isApplyDirtyCheck() {
         return this.applyDirtyCheck;
     }
 
     /**
      * @see View#isApplyDirtyCheck()
      */
     public void setApplyDirtyCheck(boolean applyDirtyCheck) {
         checkMutable(true);
         this.applyDirtyCheck = applyDirtyCheck;
     }
 
     /**
      * Returns whether the current view supports displaying <code>KualiCode</code>'s name as additional display value
      *
      * @return true if the current view supports
      */
     @BeanTagAttribute
     public boolean isTranslateCodesOnReadOnlyDisplay() {
         return translateCodesOnReadOnlyDisplay;
     }
 
     /**
      * Indicates whether the Name of the Code should be displayed when a property is of type <code>KualiCode</code>
      *
      * @param translateCodesOnReadOnlyDisplay indicates whether KualiCode's name should be included.
      */
     public void setTranslateCodesOnReadOnlyDisplay(boolean translateCodesOnReadOnlyDisplay) {
         checkMutable(true);
         this.translateCodesOnReadOnlyDisplay = translateCodesOnReadOnlyDisplay;
     }
 
     /**
      * Indicates whether the view allows read only fields to be specified on the request URL which will
      * override the view setting.
      *
      * <p>If enabled, the readOnlyFields request parameter can be sent to indicate fields that should be set read only</p>
      *
      * @return true if read only request overrides are allowed, false if not
      */
     @BeanTagAttribute
     public boolean isSupportsRequestOverrideOfReadOnlyFields() {
         return supportsRequestOverrideOfReadOnlyFields;
     }
 
     /**
      * @see View#isSupportsRequestOverrideOfReadOnlyFields()
      */
     public void setSupportsRequestOverrideOfReadOnlyFields(boolean supportsRequestOverrideOfReadOnlyFields) {
         checkMutable(true);
         this.supportsRequestOverrideOfReadOnlyFields = supportsRequestOverrideOfReadOnlyFields;
     }
 
     /**
      * Indicates whether the browser autocomplete functionality should be disabled for the
      * entire form (adds autocomplete="off").
      *
      * <p>The browser's native autocomplete functionality can cause issues with security fields and also fields
      * with the UIF suggest widget enabled</p>
      *
      * @return true if the native autocomplete should be turned off for the form, false if not
      */
     @BeanTagAttribute
     public boolean isDisableNativeAutocomplete() {
         return disableNativeAutocomplete;
     }
 
     /**
      * @see View#isDisableNativeAutocomplete()
      */
     public void setDisableNativeAutocomplete(boolean disableNativeAutocomplete) {
         checkMutable(true);
         this.disableNativeAutocomplete = disableNativeAutocomplete;
     }
 
     /**
      * Enables functionality to bust the browsers cache by appending an unique cache key.
      *
      * <p>Since response headers are unreliable for preventing caching in all browsers, the
      * framework uses a technique for updating the URL to include an unique cache key. If the
      * HTML 5 History API is supported a parameter can be added to the URL which causes the browser
      * to not find the cached page when the user goes back. If not the framework falls back to using
      * a hash key and resubmitting using script to pull the latest</p>
      *
      * @return true if cache for the view should be disabled, false if not
      */
     @BeanTagAttribute
     public boolean isDisableBrowserCache() {
         return disableBrowserCache;
     }
 
     /**
      * @see View#isDisableBrowserCache()
      */
     public void setDisableBrowserCache(boolean disableBrowserCache) {
         checkMutable(true);
         this.disableBrowserCache = disableBrowserCache;
     }
 
     /**
      * Script that is executed at the beginning of page load (before any other script).
      *
      * <p>Many used to set server variables client side</p>
      *
      * @return pre load script
      */
     @BeanTagAttribute
     public String getPreLoadScript() {
         return preLoadScript;
     }
 
     /**
      * @see View#getPreLoadScript()
      */
     public void setPreLoadScript(String preLoadScript) {
         checkMutable(true);
         this.preLoadScript = preLoadScript;
     }
 
     /**
      * The theme which contains stylesheets for this view.
      *
      * @return ViewTheme
      */
     @BeanTagAttribute
     public ViewTheme getTheme() {
         return theme;
     }
 
     /**
      * @see View#getTheme()
      */
     public void setTheme(ViewTheme theme) {
         checkMutable(true);
         this.theme = theme;
     }
 
     /**
      * The stateObject's binding path, this will be used along with the StateMapping's statePropertyName to
      * determine what field in the model state information is stored in for this view.  Used during View validation.
      *
      * @return stateObjectBindingPath path to the object storing state information
      */
     @BeanTagAttribute
     public String getStateObjectBindingPath() {
         return stateObjectBindingPath;
     }
 
     /**
      * The stateObject's binding path, this will be used along with the StateMapping's statePropertyName to
      * determine what field in the model state information is stored in for this view.  Used during View validation.
      *
      * @param stateObjectBindingPath
      */
     public void setStateObjectBindingPath(String stateObjectBindingPath) {
         checkMutable(true);
         this.stateObjectBindingPath = stateObjectBindingPath;
     }
 
     /**
      * Gets the stateMapping.
      *
      * <p>The state mapping object is used to determine the state information for a view,
      * it must include an ordered list of states, and where to find the state information for the view.
      * A stateMapping must be set for state based validation to occur.  When stateMapping information is
      * not included, the view's model is considered stateless and all constraints will apply regardless of their
      * state information or replacements (ie, they will function as they did in version 2.1).</p>
      *
      * @return information needed for state based validation, if null no state based validation
      * functionality will exist and configured constraints will apply regardless of state
      * @since 2.2
      */
     @BeanTagAttribute
     public StateMapping getStateMapping() {
         return stateMapping;
     }
 
     /**
      * @see View#getStateMapping()
      */
     public void setStateMapping(StateMapping stateMapping) {
         checkMutable(true);
         this.stateMapping = stateMapping;
     }
 
     /**
      * Returns the general context that is available before the apply model phase (during the
      * initialize phase)
      *
      * @return context map
      */
     public Map<String, Object> getPreModelContext() {
         if (preModelContext == null) {
             Map<String, Object> context = new HashMap<String, Object>();
 
             context.put(UifConstants.ContextVariableNames.VIEW, this);
             context.put(UifConstants.ContextVariableNames.VIEW_HELPER, viewHelperService);
 
             ViewTheme theme = getTheme();
             if (theme != null) {
                 context.put(UifConstants.ContextVariableNames.THEME_IMAGES, theme.getImageDirectory());
             }
 
             Map<String, String> properties = CoreApiServiceLocator.getKualiConfigurationService().getAllProperties();
             context.put(UifConstants.ContextVariableNames.CONFIG_PROPERTIES, properties);
             context.put(UifConstants.ContextVariableNames.CONSTANTS, KRADConstants.class);
             context.put(UifConstants.ContextVariableNames.UIF_CONSTANTS, UifConstants.class);
             context.put(UifConstants.ContextVariableNames.USER_SESSION, GlobalVariables.getUserSession());
 
             preModelContext = Collections.unmodifiableMap(context);
         }
 
         return preModelContext;
     }
 
     /**
      * @see org.kuali.rice.krad.uif.component.ComponentBase#clone()
      */
     @Override
     public View clone() throws CloneNotSupportedException {
         View viewCopy = (View) super.clone();
         viewCopy.viewIndex = new ViewIndex();
         return viewCopy;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void completeValidation(ValidationTrace tracer) {
         tracer.addBean(this);
 
         // Check for the presence of a valid item with an not-null EntryPageId
         boolean validPageId = false;
         if (getEntryPageId() != null) {
             for (int i = 0; i < getItems().size(); i++) {
                 if (getEntryPageId().compareTo(getItems().get(i).getId()) == 0) {
                     validPageId = true;
                 }
             }
         } else {
             validPageId = true;
         }
         if (!validPageId) {
             String currentValues[] = {"entryPageId = " + getEntryPageId()};
             tracer.createError("Items must contain an item with a matching id to entryPageId", currentValues);
         }
 
         // Check to insure the view as not already been set
         if (tracer.getValidationStage() == ValidationTrace.START_UP) {
             if (getViewStatus().compareTo(ViewStatus.CREATED) != 0) {
                 String currentValues[] = {"viewStatus = " + getViewStatus()};
                 tracer.createError("ViewStatus should not be set", currentValues);
             }
         }
 
         // Check to insure the binding object path is a valid property
         boolean validDefaultBindingObjectPath = false;
         if (getDefaultBindingObjectPath() == null) {
             validDefaultBindingObjectPath = true;
         } else if (DataDictionary.isPropertyOf(getFormClass(), getDefaultBindingObjectPath())) {
             validDefaultBindingObjectPath = true;
         }
         if (!validDefaultBindingObjectPath) {
             String currentValues[] =
                     {"formClass = " + getFormClass(), "defaultBindingPath = " + getDefaultBindingObjectPath()};
             tracer.createError("DefaultBingdingObjectPath must be a valid property of the formClass", currentValues);
         }
 
         // Check to insure the page is set if the view is a single page
         if (isSinglePageView()) {
             if (getPage() == null) {
                 String currentValues[] = {"singlePageView = " + isSinglePageView(), "page = " + getPage()};
                 tracer.createError("Page must be set if singlePageView is true", currentValues);
             }
             for (int i = 0; i < getItems().size(); i++) {
                 if (getItems().get(i).getClass() == PageGroup.class) {
                     String currentValues[] =
                             {"singlePageView = " + isSinglePageView(), "items(" + i + ") = " + getItems().get(i)
                                     .getClass()};
                     tracer.createError("Items cannot be pageGroups if singlePageView is true", currentValues);
                 }
             }
         }
 
         // Checks to insure the Growls are set if growl messaging is enabled
         if (isGrowlMessagingEnabled() == true && getGrowls() == null) {
             if (Validator.checkExpressions(this, "growls")) {
                 String currentValues[] =
                         {"growlMessagingEnabled = " + isGrowlMessagingEnabled(), "growls = " + getGrowls()};
                 tracer.createError("Growls cannot be null if Growl Messaging is enabled", currentValues);
             }
         }
 
         // Checks that there are items present if the view is not a single page
         if (!isSinglePageView()) {
             if (getItems().size() == 0) {
                 String currentValues[] =
                         {"singlePageView = " + isSinglePageView(), "items.size = " + getItems().size()};
                 tracer.createWarning("Items cannot be empty if singlePageView is false", currentValues);
             } else {
                 for (int i = 0; i < getItems().size(); i++) {
                     if (getItems().get(i).getClass() != PageGroup.class) {
                         String currentValues[] =
                                 {"singlePageView = " + isSinglePageView(), "items(" + i + ") = " + getItems().get(i)
                                         .getClass()};
                         tracer.createError("Items must be pageGroups if singlePageView is false", currentValues);
                     }
                 }
             }
         }
         super.completeValidation(tracer.getCopy());
     }
 
 }