From 64aff4dfe79b1c32c60aec841d63dfabda274088 Mon Sep 17 00:00:00 2001
From: briancaruso <briancaruso@43c2fc9b-1942-4403-87b2-35b4218f7473>
Date: Fri, 18 Nov 2011 17:08:23 +0000
Subject: [PATCH] Working on addEditWebpageForm and manageWebpagesForIndividual

---
 .../edit/forms/addEditWebpageForm.ftl         |  44 +++--
 .../forms/manageWebpagesForIndividual.ftl     |  15 +-
 .../AddEditWebpageFormGenerator.java          | 168 +++++++++++++++++-
 .../ManageWebpagesForIndividualGenerator.java |  47 ++---
 4 files changed, 229 insertions(+), 45 deletions(-)

diff --git a/productMods/templates/freemarker/edit/forms/addEditWebpageForm.ftl b/productMods/templates/freemarker/edit/forms/addEditWebpageForm.ftl
index 544cd307..385b8736 100644
--- a/productMods/templates/freemarker/edit/forms/addEditWebpageForm.ftl
+++ b/productMods/templates/freemarker/edit/forms/addEditWebpageForm.ftl
@@ -1,8 +1,21 @@
 <#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
 
 <#-- Template for adding/editing core:webpages -->
+<#import "lib-vivo-form.ftl" as lvf>
 
-<#if editConfig.object?has_content>
+<#assign subjectName=editConfiguration.pageData.subjectName!"an Individual" />
+
+<#--If edit submission exists, then retrieve validation errors if they exist-->
+<#if editSubmission?has_content && editSubmission.submissionExists = true && editSubmission.validationErrors?has_content>
+    <#assign submissionErrors = editSubmission.validationErrors/>
+</#if>
+
+<#--Retrieve variables needed-->
+<#assign url = lvf.getFormFieldValue(editSubmission, editConfiguration, "url")/>
+<#assign anchor = lvf.getFormFieldValue(editSubmission, editConfiguration, "anchor") />
+<#assign newRank = lvf.getFormFieldValue(editSubmission, editConfiguration, "newRank") />
+
+<#if editConfiguration.object?has_content>
     <#assign editMode = "edit">
 <#else>
     <#assign editMode = "add">
@@ -13,34 +26,43 @@
         <#assign submitButtonText="Save changes">
         <#assign disabledVal="disabled">
 <#else>
-        <#assign titleVerb="Add">        
+        <#assign titleVerb="Add webpage for">        
         <#assign submitButtonText="Add webpage">
         <#assign disabledVal=""/>
 </#if>
 
 <#assign requiredHint="<span class='requiredHint'> *</span>" />
 
-<h2>${title} ${subjectName}</h2>
+<h2>${titleVerb} ${subjectName}</h2>
 
+<#if submissionErrors??>
+<section id="error-alert" role="alert">
+        <img src="${urls.images}/iconAlert.png" width="24" height="24" alert="Error alert icon" />
+        <p>       
+        <#list submissionErrors?keys as errorFieldName>
+            ${errorFieldName}: ${submissionErrors[errorFieldName]}  <br/>           
+        </#list>
+        </p>
+</section>
+</#if>    
+    
 <form class="customForm" action ="${submitUrl}" class="customForm">
 
     <label for="url">URL ${requiredHint}</label>
-    <input  size="70"  type="text" id="url" name="url" value="<#if url??>${url}</#if>" role="input" />
+    <input  size="70"  type="text" id="url" name="url" value="${url}" role="input" />
    
     <label for="anchor">Webpage Name</label>
-    <input  size="70"  type="text" id="anchor" name="anchor" value="<#if anchor??>${anchor}</#if>" role="input" />
+    <input  size="70"  type="text" id="anchor" name="anchor" value="${anchor}" role="input" />
 
     <#if editMode="add">
         <input type="hidden" name="rank" value="${newRank}" />
     </#if>
     
+    <input type="hidden" id="editKey" name="editKey" value="${editConfiguration.editKey}"/>
     <p class="submit">
-        <input type="submit" id="submit" value="${submitButtonText}" role="button" />
-        
-        <span class="or"> or </span>
-        
-        <a class="cancel" href="${editConfiguration.cancelUrl}" title="Cancel">Cancel</a>
-    </p>
+        <input type="submit" id="submit" value="${submitButtonText}"/><span class="or"> or </span>
+        <a class="cancel" href="${editConfiguration.cancelUrl}">Cancel</a>
+    </p>    
 </form>
 
 ${stylesheets.add('<link rel="stylesheet" href="${urls.base}/edit/forms/css/customForm.css" />')}
diff --git a/productMods/templates/freemarker/edit/forms/manageWebpagesForIndividual.ftl b/productMods/templates/freemarker/edit/forms/manageWebpagesForIndividual.ftl
index 224c9179..6983f1f5 100644
--- a/productMods/templates/freemarker/edit/forms/manageWebpagesForIndividual.ftl
+++ b/productMods/templates/freemarker/edit/forms/manageWebpagesForIndividual.ftl
@@ -8,16 +8,16 @@
   <#assign ulClass="class='dd'">
 </#if>
 
-<#assign baseEditWebpageUrl=editConfiguration.pageData.baseEditWebpageUrl>
-<#assign deleteWebpageUrl=editConfiguration.pageData.deleteWebpageUrl>
-<#assign showAddFormUrl=editConfiguration.pageData.showAddFormUrl>
+<#assign baseEditWebpageUrl=editConfiguration.pageData.baseEditWebpageUrl!"baseEditWebpageUrl is undefined">
+<#assign deleteWebpageUrl=editConfiguration.pageData.deleteWebpageUrl!"deleteWebpageUrl is undefined">
+<#assign showAddFormUrl=editConfiguration.pageData.showAddFormUrl!"showAddFormUrl is undefined">
 
 <#if (editConfiguration.pageData.subjectName??) >
 <h2><em>${editConfiguration.pageData.subjectName}</em></h2>
 </#if>
 
 <h3>Manage Web Pages</h3>
-
+       
 <script type="text/javascript">
     var webpageData = [];
 </script>
@@ -29,7 +29,7 @@
    
     <#list editConfiguration.pageData.webpages as webpage>
         <li class="webpage" role="listitem">
-            <#if webpage.anchor>
+            <#if webpage.anchor??>
                 <#assign anchor=webpage.anchor >
             <#else>
                 <#assign anchor=webpage.url >
@@ -39,7 +39,7 @@
                 <a href="${webpage.url}">${anchor}</a>
             </span>
             <span class="editingLinks">
-                <a href="${baseEditWebpageUrl}&objectUri=${webpage.link}" class="edit">Edit</a> | 
+                <a href="${baseEditWebpageUrl}&objectUri=${webpage.link?url}" class="edit">Edit</a> | 
                 <a href="${deleteWebpageUrl}" class="remove">Delete</a> 
             </span>
         </li>    
@@ -58,9 +58,10 @@
          addAuthorsToInformationResource.jsp. -->
     <a href="${showAddFormUrl}" id="showAddForm" class="button green">Add Web Page</a>
        
-    <a href="/indiviudal?uri=${editConfiguration.subjectUri}" id="returnToIndividual" class="return">Return to Individual</a>
+    <a href="${cancelUrl}" id="returnToIndividual" class="return">Return to Individual</a>
 </section>
 
+
 <script type="text/javascript">
 var customFormData = {
     rankPredicate: '${editConfiguration.pageData.rankPredicate}',
diff --git a/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/AddEditWebpageFormGenerator.java b/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/AddEditWebpageFormGenerator.java
index 76ca8e32..46497bf5 100644
--- a/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/AddEditWebpageFormGenerator.java
+++ b/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/AddEditWebpageFormGenerator.java
@@ -3,16 +3,174 @@ package edu.cornell.mannlib.vitro.webapp.edit.n3editing.configuration.generators
 
 import javax.servlet.http.HttpSession;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import com.hp.hpl.jena.query.QuerySolution;
+import com.hp.hpl.jena.query.ResultSet;
+import com.hp.hpl.jena.rdf.model.RDFNode;
+import com.hp.hpl.jena.vocabulary.XSD;
+
+import edu.cornell.mannlib.vitro.webapp.beans.Individual;
 import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
+import edu.cornell.mannlib.vitro.webapp.dao.jena.QueryUtils;
+import edu.cornell.mannlib.vitro.webapp.edit.n3editing.VTwo.EditConfigurationUtils;
 import edu.cornell.mannlib.vitro.webapp.edit.n3editing.VTwo.EditConfigurationVTwo;
+import edu.cornell.mannlib.vitro.webapp.edit.n3editing.VTwo.FieldVTwo;
+/**
 
+Custom form for adding or editing a webpage associated with an individual. The primary page,
+ManageWebpagesForIndividual, should forward to this page if: (a) we are adding a new page, or 
+(b) an edit link in the Manage Webpages view has been clicked. But right now (a) is not implemented. 
+
+Object properties: 
+core:webpage (range: core:URLLink)
+core:webpageOf (domain: core:URLLink) (inverse of core:webpage)
+
+Class: 
+core:URLLink - the link to be added to the individual
+
+Data properties of core:URLLink:
+core:linkURI
+core:linkAnchorText
+core:rank
+
+*/
 public class AddEditWebpageFormGenerator extends BaseEditConfigurationGenerator implements EditConfigurationGenerator {
-
+    public static Log log = LogFactory.getLog( AddEditWebpageFormGenerator.class );
+    
     @Override
-    public EditConfigurationVTwo getEditConfiguration(VitroRequest vreq,
-            HttpSession session) {
-        // TODO Auto-generated method stub
-        throw new Error(this.getClass().getName() + " is not yet implement");
+    public EditConfigurationVTwo getEditConfiguration(VitroRequest vreq, HttpSession session) {
+        EditConfigurationVTwo config = new EditConfigurationVTwo();
+        
+        config.setTemplate("addEditWebpageForm.ftl");
+        
+        initBasics(config, vreq);
+        initPropertyParameters(vreq, session, config);
+        initObjectPropForm(config, vreq);       
+                
+        config.setVarNameForSubject("subject");
+        
+        config.setVarNameForObject("link");
+        config.addNewResource("link", DEFAULT_NS_FOR_NEW_RESOURCE);
+        
+        config.setN3Required(list( N3_FOR_WEBPAGE ));
+        config.setN3Optional(list( N3_FOR_ANCHOR, N3_FOR_RANK));
+        
+        config.addUrisInScope("webpageProperty",     list( core + "webpage"));
+        config.addUrisInScope("inverseProperty",     list( core + "webpageOf"));
+        config.addUrisInScope("linkClass",           list( core + "URLLink"));
+        config.addUrisInScope("linkURI",       list( core + "linkURI" ));
+        config.addUrisInScope("linkAnchorPredicate", list( core + "linkAnchorText" ));
+        config.addUrisInScope("rankPredicate",       list( core + "rank"));
+        config.addUrisInScope("linkClass",           list( core + "URLLink"));        
+        
+        config.setLiteralsOnForm(list("url","anchor","rank"));
+
+        config.addSparqlForExistingLiteral("url",    URL_QUERY);
+        config.addSparqlForExistingLiteral("anchor", ANCHOR_QUERY);
+        config.addSparqlForExistingLiteral("rank",   MAX_RANK_QUERY);
+            
+        config.addField(new FieldVTwo().
+                setName("url").
+                setValidators(list("nonempty", "datatype:"+XSD.anyURI.toString(), "httpUrl")).
+                setRangeDatatypeUri(XSD.anyURI.toString()));
+        
+        config.addField(new FieldVTwo().
+                setName("anchor").
+                setValidators(list("datatype:"+XSD.anyURI.toString())).
+                setRangeDatatypeUri(XSD.anyURI.toString()));
+        
+        config.addField(new FieldVTwo().
+                setName("rank").
+                setRangeDatatypeUri(XSD.integer.toString()));
+        
+        config.addFormSpecificData("newRank", 
+                getMaxRank( EditConfigurationUtils.getObjectUri(vreq), 
+                            EditConfigurationUtils.getSubjectUri(vreq), vreq )
+                        + 1 );
+                
+        //might be null
+        config.addFormSpecificData("subjectName", getName( config, vreq));
+        
+        return config;
+    }
+
+    /** may be null */
+    private Object getName(EditConfigurationVTwo config, VitroRequest vreq) {
+        Individual ind = vreq.getWebappDaoFactory().getIndividualDao().getIndividualByURI(config.getSubjectUri());
+        if( ind == null )
+            return null;
+        else
+            return ind.getName();
+    }
+
+    /* ********* N3 Assertions *********** */
+    static String N3_FOR_WEBPAGE = 
+        "?subject ?webpageProperty ?link . \n"+
+        "?link    ?inverseProperty ?subject . \n"+
+        "?link    a                ?linkClass ; \n" +      
+        "         ?linkURI         ?url .";    
+    
+    static String N3_FOR_ANCHOR =
+        "?link ?linkAnchorPredicate ?anchor .";
+    
+    static String N3_FOR_RANK = 
+        "?link ?rankPredicate ?rank .";
+
+    /* *********** SPARQL queries for existing values ************** */
+    
+    static String URL_QUERY = 
+        "SELECT ?urlExisting WHERE { ?link ?linkURI ?urlExisting }";
+    
+    static String ANCHOR_QUERY = 
+        "SELECT ?anchorExisting WHERE { ?link ?linkAnchorPredicate ?anchorExisting }";
+    
+    static String RANK_QUERY =
+        "SELECT ?rankExisting WHERE { ?link ?rankPredicate ?rankExisting }";
+    
+    static String core = "http://vivoweb.org/ontology/core#";
+    
+
+    /* Note on ordering by rank in sparql: if there is a non-integer value on a link, that will be returned,
+     * since it's ranked highest. Preventing that would require getting all the ranks and sorting in Java,
+     * throwing out non-int values. 
+     */
+    private static String MAX_RANK_QUERY = ""
+        + "PREFIX core: <http://vivoweb.org/ontology/core#> \n"
+        + "SELECT DISTINCT ?rank WHERE { \n"
+        + "    ?subject core:webpage ?link . \n"
+        + "    ?link core:rank ?rank .\n"
+        + "} ORDER BY DESC(?rank) LIMIT 1";
+        
+    private int getMaxRank(String objectUri, String subjectUri, VitroRequest vreq) {
+
+        int maxRank = 0; // default value 
+        if (objectUri == null) { // adding new webpage   
+            String queryStr = QueryUtils.subUriForQueryVar(MAX_RANK_QUERY, "subject", subjectUri);
+            log.debug("Query string is: " + queryStr);
+            try {
+                ResultSet results = QueryUtils.getQueryResults(queryStr, vreq);
+                if (results != null && results.hasNext()) { // there is at most one result
+                    QuerySolution soln = results.next(); 
+                    RDFNode node = soln.get("rank");
+                    if (node != null && node.isLiteral()) {
+                        // node.asLiteral().getInt() won't return an xsd:string that 
+                        // can be parsed as an int.
+                        int rank = Integer.parseInt(node.asLiteral().getLexicalForm());
+                        if (rank > maxRank) {  
+                            log.debug("setting maxRank to " + rank);
+                            maxRank = rank;
+                        }
+                    }
+                }
+            } catch (NumberFormatException e) {
+                log.error("Invalid rank returned from query: not an integer value.");
+            } catch (Exception e) {
+                log.error(e, e);
+            }
+        }
+        return maxRank;
     }
 
 }
diff --git a/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/ManageWebpagesForIndividualGenerator.java b/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/ManageWebpagesForIndividualGenerator.java
index e023b5fa..fb11eab0 100644
--- a/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/ManageWebpagesForIndividualGenerator.java
+++ b/src/edu/cornell/mannlib/vitro/webapp/edit/n3editing/configuration/generators/ManageWebpagesForIndividualGenerator.java
@@ -16,6 +16,8 @@ import com.hp.hpl.jena.rdf.model.RDFNode;
 
 import edu.cornell.mannlib.vitro.webapp.beans.Individual;
 import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
+import edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder;
+import edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder.ParamMap;
 import edu.cornell.mannlib.vitro.webapp.dao.jena.QueryUtils;
 import edu.cornell.mannlib.vitro.webapp.edit.n3editing.VTwo.EditConfigurationUtils;
 import edu.cornell.mannlib.vitro.webapp.edit.n3editing.VTwo.EditConfigurationVTwo;
@@ -25,6 +27,8 @@ import edu.cornell.mannlib.vitro.webapp.edit.n3editing.VTwo.EditConfigurationVTw
  * It is not an example of the normal use of the RDF editing system and
  * was just migrated over from an odd use of the JSP RDF editing system
  * during the 1.4 release. 
+ * 
+ * This mainly sets up pageData for the template to use.
  */
 public class ManageWebpagesForIndividualGenerator extends BaseEditConfigurationGenerator implements EditConfigurationGenerator {
     public static Log log = LogFactory.getLog(ManageWebpagesForIndividualGenerator.class);
@@ -35,6 +39,10 @@ public class ManageWebpagesForIndividualGenerator extends BaseEditConfigurationG
         EditConfigurationVTwo config = new EditConfigurationVTwo();
         config.setTemplate("manageWebpagesForIndividual.ftl");
         
+        initBasics(config, vreq);
+        initPropertyParameters(vreq, session, config);
+        initObjectPropForm(config, vreq);
+        
         config.setSubjectUri(EditConfigurationUtils.getSubjectUri(vreq));
         config.setEntityToReturnTo( EditConfigurationUtils.getSubjectUri(vreq));
         
@@ -42,30 +50,25 @@ public class ManageWebpagesForIndividualGenerator extends BaseEditConfigurationG
         config.addFormSpecificData("webpages",webpages);
 
         config.addFormSpecificData("rankPredicate", "http://vivoweb.org/ontology/core#rank" );
-        config.addFormSpecificData("reorderUrl", "/edit/reorder" );
-        
-
-        config.addFormSpecificData("deleteWebpageUrl", "/edit/primitiveDelete");
-        //<c:url var="deleteWebpageUrl" value="/edit/primitiveDelete" />
-              
-       config.addFormSpecificData("deleteWebpageUrl", "/edit/reorder");
-       //<c:url var="reorderUrl" value="/edit/reorder" />
+        config.addFormSpecificData("reorderUrl", "/edit/reorder" );       
+        config.addFormSpecificData("deleteWebpageUrl", "/edit/primitiveDelete");              
        
-        config.addFormSpecificData("baseEditWebpageUrl", "TODO.BASICEDITWEBPAGEURL");
-        /*
-        <c:url var="baseEditWebpageUrl" value="/edit/editRequestDispatch.jsp">
-            <c:param name="subjectUri" value="<%= subjectUri %>" />
-            <c:param name="predicateUri" value="<%= predicateUri %>" />
-            <c:param name="view" value="form" />
-        </c:url>
-        */               
+       ParamMap paramMap = new ParamMap();
+       paramMap.put("subjectUri", config.getSubjectUri());
+       paramMap.put("editForm", AddEditWebpageFormGenerator.class.getName());
+       paramMap.put("view", "form");
+       String path = UrlBuilder.getUrl( UrlBuilder.Route.EDIT_REQUEST_DISPATCH ,paramMap);
+       
+        config.addFormSpecificData("baseEditWebpageUrl", path);                 
         
-        config.addFormSpecificData("showAddFormUrl", "TODO.SHOWADDFORMURL");
-//        <c:url var="showAddFormUrl" value="/edit/editRequestDispatch.jsp">
-//            <c:param name="subjectUri" value="<%= subjectUri %>" />
-//            <c:param name="predicateUri" value="<%= predicateUri %>" />
-//            <c:param name="cancelTo" value="manage" />
-//        </c:url>        
+        paramMap = new ParamMap();
+        paramMap.put("subjectUri", config.getSubjectUri());
+        paramMap.put("predicateUri", config.getPredicateUri());
+        paramMap.put("editForm" , AddEditWebpageFormGenerator.class.getName() );
+        paramMap.put("cancelTo", "manage");
+        path = UrlBuilder.getUrl( UrlBuilder.Route.EDIT_REQUEST_DISPATCH ,paramMap);
+        
+        config.addFormSpecificData("showAddFormUrl", path);          
         
         Individual subject = vreq.getWebappDaoFactory().getIndividualDao().getIndividualByURI(config.getSubjectUri());
         if( subject != null && subject.getName() != null ){