project search autocomplete

zanata-war/src/main/java/org/zanata/action/ProjectSearch.java

@@ -54,6 +54,9 @@ public class ProjectSearch implements Serializable {
     @In
     private ZanataIdentity identity;
 
+    // Count of result to be return as part of autocomplete
+    private final static int INITIAL_RESULT_COUNT = 5;
+
     public void setCurrentPage(int page) {
         if (page < 1)
             this.currentPage = 1;
@@ -62,7 +65,7 @@ public void setCurrentPage(int page) {
     }
 
     /**
-     * Return first 5 results on project search
+     * Return results on project search
      *
      * @param query
      */
@@ -73,7 +76,8 @@ public List<SearchResult> suggestProjects(String query) {
             return result;
         }
         try {
-            for (HProject project : projectDAO.searchQuery(searchQuery, 5, 0)) {
+            for (HProject project : projectDAO.searchQuery(searchQuery,
+                    INITIAL_RESULT_COUNT, 0)) {
                 result.add(new SearchResult(project, searchQuery));
             }
             result.add(new SearchResult(searchQuery));
@@ -109,6 +113,11 @@ public boolean evaluate(Object arg0) {
         resultSize = searchResults.size();
     }
 
+    public String searchAndRedirect() {
+        search();
+        return "/search.xhtml";
+    }
+
     @AllArgsConstructor
     public class SearchResult {
         @Getter

zanata-war/src/main/java/org/zanata/dao/ProjectDAO.java

@@ -7,9 +7,13 @@
 import javax.annotation.Nullable;
 
 import org.apache.lucene.analysis.standard.StandardAnalyzer;
+import org.apache.lucene.index.Term;
 import org.apache.lucene.queryParser.MultiFieldQueryParser;
 import org.apache.lucene.queryParser.ParseException;
 import org.apache.lucene.queryParser.QueryParser;
+import org.apache.lucene.search.BooleanClause;
+import org.apache.lucene.search.BooleanQuery;
+import org.apache.lucene.search.PrefixQuery;
 import org.apache.lucene.util.Version;
 import org.hibernate.Query;
 import org.hibernate.Session;
@@ -231,15 +235,21 @@ public int getTotalObsoleteProjectCount() {
 
     public List<HProject> searchQuery(@Nonnull String searchQuery,
             int maxResult, int firstResult) throws ParseException {
-        String[] projectFields = { "slug", "name", "description" };
-        QueryParser parser =
-                new MultiFieldQueryParser(Version.LUCENE_35, projectFields,
-                        new StandardAnalyzer(Version.LUCENE_35));
-        parser.setAllowLeadingWildcard(true);
-        org.apache.lucene.search.Query luceneQuery =
-                parser.parse(QueryParser.escape(searchQuery));
+
+        searchQuery = QueryParser.escape(searchQuery);
+
+        PrefixQuery slugQuery = new PrefixQuery(new Term("slug", searchQuery));
+        PrefixQuery nameQuery = new PrefixQuery(new Term("name", searchQuery));
+        PrefixQuery descQuery =
+                new PrefixQuery(new Term("description", searchQuery));
+
+        BooleanQuery booleanQuery = new BooleanQuery();
+        booleanQuery.add(slugQuery, BooleanClause.Occur.SHOULD);
+        booleanQuery.add(nameQuery, BooleanClause.Occur.SHOULD);
+        booleanQuery.add(descQuery, BooleanClause.Occur.SHOULD);
+
         FullTextQuery query =
-                entityManager.createFullTextQuery(luceneQuery, HProject.class);
+                entityManager.createFullTextQuery(booleanQuery, HProject.class);
         query.setMaxResults(maxResult).setFirstResult(firstResult)
                 .getResultList();
 

zanata-war/src/main/webapp/WEB-INF/template/banner.xhtml

@@ -4,7 +4,35 @@
   xmlns:f="http://java.sun.com/jsf/core"
   xmlns:s="http://jboss.org/schema/seam/taglib"
   xmlns:rich="http://richfaces.org/rich"
-  xmlns:zanata="http://java.sun.com/jsf/composite/zanata">
+  xmlns:zanata="http://java.sun.com/jsf/composite/zanata"
+  xmlns:a4j="http://richfaces.org/a4j">
+
+  <script type="text/javascript">
+    var searchField;
+    jQuery(document).ready(function () {
+      searchField = jQuery('.form--search__input');
+
+      //This should be remove once new-zanata prefix is removed
+      jQuery('#' + getSearchFieldResultId()).addClass("new-zanata");
+    });
+
+    function getSearchFieldResultId() {
+      var id = jQuery(searchField).attr('id');
+      return id.substring(0,
+        id.length - "Input".length).concat("List").replace(/:/g, "\\:");
+    }
+
+    function resizeSearchField() {
+      jQuery('#' +
+        getSearchFieldResultId()).find(".rf-au-lst-scrl").css("width",
+          jQuery(searchField).outerWidth() + "px");
+    }
+  </script>
+
+  <a4j:jsFunction name="redirectUrl"
+    action="#{projectSearch.searchAndRedirect()}">
+    <a4j:param name="val" assignTo="#{projectSearch.searchQuery}"/>
+  </a4j:jsFunction>
 
   <h1 class="header__title">
     <s:link view="/home.xhtml" propagation="none" id="home">
@@ -31,7 +59,8 @@
           minChars="2" inputClass="form--search__input js-form--search__input"
           styleClass="auto-complete" fetchValue="#{suggestProject.query}"
           autocompleteMethod="#{projectSearch.suggestProjects}"
-          layout="list"
+          layout="list" onselectitem="redirectUrl(this.value);"
+          oncomplete="resizeSearchField()"
           popupClass="auto-complete-list" id="form--search">
           <rich:placeholder value="#{messages['jsf.SearchProjects']}"
             styleClass="form__placeholder"/>
@@ -43,8 +72,9 @@
           </s:link>
 
           <s:link view="/search.xhtml" action="#{projectSearch.search}"
-            value="Search Zanata for '#{suggestProject.query}'"
             rendered="#{suggestProject.isProjectNull()}">
+            <i class="i i--search"></i> Search Zanata for
+            '#{suggestProject.query}'
             <f:param name="query" value="#{suggestProject.query}"/>
           </s:link>
         </rich:autocomplete>