Merge pull request #1357 from xseris/master

Tag system

main/src/com/google/refine/ProjectManager.java

@@ -74,6 +74,7 @@ public abstract class ProjectManager {
 
 
     protected Map<Long, ProjectMetadata> _projectsMetadata;
+    protected Map<String, Integer> _projectsTags;// TagName, number of projects having that tag
     protected PreferenceStore            _preferenceStore;
 
     final static Logger logger = LoggerFactory.getLogger("ProjectManager");
@@ -102,6 +103,7 @@ public abstract class ProjectManager {
         _projectsMetadata = new HashMap<Long, ProjectMetadata>();
         _preferenceStore = new PreferenceStore();
         _projects = new HashMap<Long, Project>();
+        _projectsTags = new HashMap<String, Integer>();
 
         preparePreferenceStore(_preferenceStore);
     }
@@ -128,6 +130,18 @@ public abstract class ProjectManager {
         synchronized (this) {
             _projects.put(project.id, project);
             _projectsMetadata.put(project.id, projectMetadata);
+            if (_projectsTags == null)
+                _projectsTags = new HashMap<String, Integer>();
+            String[] tags = projectMetadata.getTags();
+            if (tags != null) {
+                for (String tag : tags) {
+                        if (_projectsTags.containsKey(tag)) {
+                            _projectsTags.put(tag, _projectsTags.get(tag) + 1);
+                        } else {
+                            _projectsTags.put(tag, 1);
+                        }
+                }
+            }
         }
     }
 
@@ -465,6 +479,15 @@ public abstract class ProjectManager {
             
         return _projectsMetadata;
     }
+    
+    /**
+     * Gets all the project tags currently held in memory
+     * 
+     * @return
+     */
+    public Map<String, Integer> getAllProjectTags() {
+      return _projectsTags;
+    }
 
     /**
      * Gets the required project from the data store

main/src/com/google/refine/ProjectMetadata.java

@@ -35,9 +35,11 @@ package com.google.refine;
 
 import java.io.Serializable;
 import java.lang.reflect.Field;
+import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 
@@ -55,29 +57,32 @@ import com.google.refine.util.JSONUtilities;
 import com.google.refine.util.ParsingUtilities;
 
 public class ProjectMetadata implements Jsonizable {
-    private final Date     _created;
-    private Date           _modified;
-    private Date written = null;
-    private String         _name = "";
-    private String         _password = "";
 
-    private String         _encoding = "";
+    private final Date _created;
-    private int            _encodingConfidence;
+    private Date _modified;
-    
+    private Date written = null;
+    private String _name = "";
+    private String _password = "";
+
+    private String _encoding = "";
+    private int _encodingConfidence;
+
+    private String[] _tags = new String[0];
+
     private String _creator = "";
     private String _contributors = "";
-    private String _subject = "";    // Several refine projects may be linked
+    private String _subject = ""; // Several refine projects may be linked
-    private String _description = "";                // free form of comment
+    private String _description = ""; // free form of comment
-    private int _rowCount;      // at the creation. Essential for cleaning old projects too heavy
+    private int _rowCount; // at the creation. Essential for cleaning old projects too heavy
-    
+
     // import options is an array for 1-n data sources
     private JSONArray _importOptionMetadata = new JSONArray();
-    
+
     // user metadata
-    private JSONArray _userMetadata = new JSONArray();; 
+    private JSONArray _userMetadata = new JSONArray();;
-    
+
-    private Map<String, Serializable>   _customMetadata = new HashMap<String, Serializable>();
+    private Map<String, Serializable> _customMetadata = new HashMap<String, Serializable>();
-    private PreferenceStore             _preferenceStore = new PreferenceStore();
+    private PreferenceStore _preferenceStore = new PreferenceStore();
 
     private final static Logger logger = LoggerFactory.getLogger("project_metadata");
 
@@ -96,63 +101,81 @@ public class ProjectMetadata implements Jsonizable {
         _modified = modified;
         _name = name;
     }
-    
+
     @Override
     public void write(JSONWriter writer, Properties options)
             throws JSONException {
 
         writer.object();
-        writer.key("name"); writer.value(_name);
+        writer.key("name");
-        writer.key("created"); writer.value(ParsingUtilities.dateToString(_created));
+        writer.value(_name);
-        writer.key("modified"); writer.value(ParsingUtilities.dateToString(_modified));
+        writer.key("tags");
-        writer.key("creator"); writer.value(_creator);
+        writer.array();
-        writer.key("contributors"); writer.value(_contributors);
+        for (String tag : _tags) {
-        writer.key("subject"); writer.value(_subject);
+            writer.value(tag);
-        writer.key("description"); writer.value(_description);
+        }
-        writer.key("rowCount"); writer.value(_rowCount);
+        writer.endArray();
-        
+        writer.key("created");
-        writer.key("customMetadata"); writer.object();
+        writer.value(ParsingUtilities.dateToString(_created));
+        writer.key("modified");
+        writer.value(ParsingUtilities.dateToString(_modified));
+        writer.key("creator");
+        writer.value(_creator);
+        writer.key("contributors");
+        writer.value(_contributors);
+        writer.key("subject");
+        writer.value(_subject);
+        writer.key("description");
+        writer.value(_description);
+        writer.key("rowCount");
+        writer.value(_rowCount);
+
+        writer.key("customMetadata");
+        writer.object();
         for (String key : _customMetadata.keySet()) {
             Serializable value = _customMetadata.get(key);
             writer.key(key);
             writer.value(value);
         }
         writer.endObject();
-        
+
-        // write JSONArray directly 
+        // write JSONArray directly
-        if (_importOptionMetadata.length() > 0 ) {
+        if (_importOptionMetadata.length() > 0) {
-            writer.key("importOptionMetadata"); 
+            writer.key("importOptionMetadata");
             writer.value(_importOptionMetadata);
         }
-        
+
         // write user metadata in {name, value, display} form:
         if (_userMetadata.length() > 0) {
             writer.key(PreferenceStore.USER_METADATA_KEY);
             writer.value(_userMetadata);
         }
-        
+
         if (isSaveMode(options)) {
-            writer.key("password"); writer.value(_password);
+            writer.key("password");
+            writer.value(_password);
 
-            writer.key("encoding"); writer.value(_encoding);
+            writer.key("encoding");
-            writer.key("encodingConfidence"); writer.value(_encodingConfidence);
+            writer.value(_encoding);
+            writer.key("encodingConfidence");
+            writer.value(_encodingConfidence);
 
-            writer.key("preferences"); _preferenceStore.write(writer, options);
+            writer.key("preferences");
+            _preferenceStore.write(writer, options);
         }
-        
+
         writer.endObject();
-        
+
         if (isSaveMode(options)) {
             written = new Date();
         }
     }
-    
+
     public void writeWithoutOption(JSONWriter writer)
             throws JSONException {
-        write(writer, 
+        write(writer, new Properties());
-                new Properties());
     }
-    
+
     private boolean isSaveMode(Properties options) {
         return "save".equals(options.getProperty("mode"));
     }
@@ -160,17 +183,21 @@ public class ProjectMetadata implements Jsonizable {
     public boolean isDirty() {
         return written == null || _modified.after(written);
     }
-    
+
-    public void write(JSONWriter jsonWriter) throws JSONException  {
+    public void write(JSONWriter jsonWriter)
+            throws JSONException {
         write(jsonWriter, false);
     }
-    
+
     /**
-     * @param jsonWriter writer to save metadatea to
+     * @param jsonWriter
-     * @param onlyIfDirty true to not write unchanged metadata
+     *            writer to save metadatea to
+     * @param onlyIfDirty
+     *            true to not write unchanged metadata
      * @throws JSONException
      */
-    public void write(JSONWriter jsonWriter, boolean onlyIfDirty) throws JSONException  {
+    public void write(JSONWriter jsonWriter, boolean onlyIfDirty)
+            throws JSONException {
         if (!onlyIfDirty || isDirty()) {
             Properties options = new Properties();
             options.setProperty("mode", "save");
@@ -178,9 +205,9 @@ public class ProjectMetadata implements Jsonizable {
             write(jsonWriter, options);
         }
     }
-    
+
     static public ProjectMetadata loadFromJSON(JSONObject obj) {
-        // TODO: Is this correct?  It's using modified date for creation date
+        // TODO: Is this correct? It's using modified date for creation date
         ProjectMetadata pm = new ProjectMetadata(JSONUtilities.getDate(obj, "modified", new Date()));
 
         pm._modified = JSONUtilities.getDate(obj, "modified", new Date());
@@ -189,13 +216,15 @@ public class ProjectMetadata implements Jsonizable {
 
         pm._encoding = JSONUtilities.getString(obj, "encoding", "");
         pm._encodingConfidence = JSONUtilities.getInt(obj, "encodingConfidence", 0);
-        
+
         pm._creator = JSONUtilities.getString(obj, "creator", "");
         pm._contributors = JSONUtilities.getString(obj, "contributors", "");
         pm._subject = JSONUtilities.getString(obj, "subject", "");
         pm._description = JSONUtilities.getString(obj, "description", "");
         pm._rowCount = JSONUtilities.getInt(obj, "rowCount", 0);
-        
+
+        pm._tags = JSONUtilities.getStringArray(obj, "tags");
+
         if (obj.has("preferences") && !obj.isNull("preferences")) {
             try {
                 pm._preferenceStore.load(obj.getJSONObject("preferences"));
@@ -203,20 +232,19 @@ public class ProjectMetadata implements Jsonizable {
                 logger.error(ExceptionUtils.getFullStackTrace(e));
             }
         }
-        
+
         if (obj.has("expressions") && !obj.isNull("expressions")) { // backward compatibility
             try {
-                ((TopList) pm._preferenceStore.get("scripting.expressions"))
+                ((TopList) pm._preferenceStore.get("scripting.expressions")).load(obj.getJSONArray("expressions"));
-                    .load(obj.getJSONArray("expressions"));
             } catch (JSONException e) {
                 logger.error(ExceptionUtils.getFullStackTrace(e));
             }
         }
-        
+
         if (obj.has("customMetadata") && !obj.isNull("customMetadata")) {
             try {
                 JSONObject obj2 = obj.getJSONObject("customMetadata");
-                
+
                 @SuppressWarnings("unchecked")
                 Iterator<String> keys = obj2.keys();
                 while (keys.hasNext()) {
@@ -230,7 +258,7 @@ public class ProjectMetadata implements Jsonizable {
                 logger.error(ExceptionUtils.getFullStackTrace(e));
             }
         }
-        
+
         if (obj.has("importOptionMetadata") && !obj.isNull("importOptionMetadata")) {
             try {
                 JSONArray jsonArray = obj.getJSONArray("importOptionMetadata");
@@ -239,7 +267,7 @@ public class ProjectMetadata implements Jsonizable {
                 logger.error(ExceptionUtils.getFullStackTrace(e));
             }
         }
-        
+
         if (obj.has(PreferenceStore.USER_METADATA_KEY) && !obj.isNull(PreferenceStore.USER_METADATA_KEY)) {
             try {
                 JSONArray jsonArray = obj.getJSONArray(PreferenceStore.USER_METADATA_KEY);
@@ -247,13 +275,13 @@ public class ProjectMetadata implements Jsonizable {
             } catch (JSONException e) {
                 logger.error(ExceptionUtils.getFullStackTrace(e));
             }
-        } 
+        }
-        
+
         pm.written = new Date(); // Mark it as not needing writing until modified
-        
+
         return pm;
     }
-    
+
     static protected void preparePreferenceStore(PreferenceStore ps) {
         ProjectManager.preparePreferenceStore(ps);
         // Any project specific preferences?
@@ -296,6 +324,31 @@ public class ProjectMetadata implements Jsonizable {
         return _encodingConfidence;
     }
 
+    public void setTags(String[] tags) {
+        if (tags != null) {
+            List<String> tmpTags = new ArrayList<String>(tags.length);
+            for (String tag : tags) {
+                if (tag != null) {
+                    String trimmedTag = tag.trim();
+
+                    if (!trimmedTag.isEmpty()) {
+                        tmpTags.add(trimmedTag);
+                    }
+                }
+            }
+            this._tags = tmpTags.toArray(new String[tmpTags.size()]);
+        } else {
+            this._tags = tags;
+        }
+
+        updateModified();
+    }
+
+    public String[] getTags() {
+        if (_tags == null) this._tags = new String[0];
+        return _tags;
+    }
+
     public void setPassword(String password) {
         this._password = password;
         updateModified();
@@ -316,11 +369,11 @@ public class ProjectMetadata implements Jsonizable {
     public PreferenceStore getPreferenceStore() {
         return _preferenceStore;
     }
-    
+
     public Serializable getCustomMetadata(String key) {
         return _customMetadata.get(key);
     }
-    
+
     public void setCustomMetadata(String key, Serializable value) {
         if (value == null) {
             _customMetadata.remove(key);
@@ -329,87 +382,75 @@ public class ProjectMetadata implements Jsonizable {
         }
         updateModified();
     }
-    
+
     public JSONArray getImportOptionMetadata() {
         return _importOptionMetadata;
     }
-    
+
     public void setImportOptionMetadata(JSONArray jsonArray) {
         _importOptionMetadata = jsonArray;
         updateModified();
     }
-    
+
     public void appendImportOptionMetadata(JSONObject obj) {
         _importOptionMetadata.put(obj);
         updateModified();
     }
 
-    
     public String getCreator() {
         return _creator;
     }
 
-    
     public void setCreator(String creator) {
         this._creator = creator;
         updateModified();
     }
 
-    
     public String getContributors() {
         return _contributors;
     }
 
-    
     public void setContributors(String contributors) {
         this._contributors = contributors;
         updateModified();
     }
 
-    
     public String getSubject() {
         return _subject;
     }
 
-    
     public void setSubject(String subject) {
         this._subject = subject;
         updateModified();
     }
 
-    
     public String getDescription() {
         return _description;
     }
 
-    
     public void setDescription(String description) {
         this._description = description;
         updateModified();
     }
 
-    
     public int getRowCount() {
         return _rowCount;
     }
 
-    
     public void setRowCount(int rowCount) {
         this._rowCount = rowCount;
         updateModified();
     }
 
-    
     public JSONArray getUserMetadata() {
         return _userMetadata;
     }
 
-    
     public void setUserMetadata(JSONArray userMetadata) {
         this._userMetadata = userMetadata;
     }
 
-    private void updateUserMetadata(String metaName, String valueString)  {
+    private void updateUserMetadata(String metaName, String valueString) {
         for (int i = 0; i < _userMetadata.length(); i++) {
             try {
                 JSONObject obj = _userMetadata.getJSONObject(i);
@@ -421,18 +462,21 @@ public class ProjectMetadata implements Jsonizable {
             }
         }
     }
-    
+
-    public void setAnyField(String metaName, String valueString)  {
+    public void setAnyField(String metaName, String valueString) {
         Class<? extends ProjectMetadata> metaClass = this.getClass();
         try {
             Field metaField = metaClass.getDeclaredField("_" + metaName);
-
+            if (metaName.equals("tags")) {
-            metaField.set(this, valueString);
+                metaField.set(this, valueString.split(","));
+            } else {
+                metaField.set(this, valueString);
+            }
         } catch (NoSuchFieldException e) {
             updateUserMetadata(metaName, valueString);
         } catch (SecurityException | IllegalArgumentException | IllegalAccessException e) {
             logger.error(ExceptionUtils.getFullStackTrace(e));
         }
     }
-    
+
 }

main/src/com/google/refine/commands/project/DeleteProjectCommand.java

@@ -34,26 +34,44 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 package com.google.refine.commands.project;
 
 import java.io.IOException;
+import java.util.Map;
 
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import com.google.refine.ProjectManager;
+import com.google.refine.ProjectMetadata;
 import com.google.refine.commands.Command;
 
 public class DeleteProjectCommand extends Command {
+
     @Override
     public void doPost(HttpServletRequest request, HttpServletResponse response)
             throws ServletException, IOException {
-        
+        response.setHeader("Content-Type", "application/json");
         try {
             long projectID = Long.parseLong(request.getParameter("project"));
-            
+
+            // Remove the project tags from the general map
+            Map<String, Integer> allProjectTags = ProjectManager.singleton.getAllProjectTags();
+            ProjectMetadata metadata = ProjectManager.singleton.getProjectMetadata(projectID);
+            for (String tag : metadata.getTags()) {
+                if (allProjectTags.containsKey(tag)) {
+                    int occurrence = allProjectTags.get(tag);
+
+                    if (occurrence == 1)
+                        allProjectTags.remove(tag);
+                    else {
+                        allProjectTags.put(tag, occurrence - 1);
+                    }
+                }
+            }
+
             ProjectManager.singleton.deleteProject(projectID);
-            
+
             respond(response, "{ \"code\" : \"ok\" }");
-            
+
         } catch (Exception e) {
             respondException(response, e);
         }

main/src/com/google/refine/commands/project/SetProjectTagsCommand.java

@@ -0,0 +1,106 @@
+/*
+ * 
+ * Copyright 2010, Google Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ * 
+ * Redistributions of source code must retain the above copyright notice, this list of conditions
+ * and the following disclaimer. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution. Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+ * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+package com.google.refine.commands.project;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.json.JSONException;
+
+import com.google.refine.ProjectManager;
+import com.google.refine.ProjectMetadata;
+import com.google.refine.commands.Command;
+import com.google.refine.model.Project;
+
+public class SetProjectTagsCommand extends Command {
+  @Override
+  public void doPost(HttpServletRequest request, HttpServletResponse response)
+      throws ServletException, IOException {
+    response.setHeader("Content-Type", "application/json");
+
+    try {
+      Project project;
+      try {
+        project = getProject(request);
+      } catch (ServletException e) {
+        respond(response, "error", e.getLocalizedMessage());
+        return;
+      }
+
+      ProjectMetadata metadata = project.getMetadata();
+
+      String oldT = request.getParameter("old");
+      String newT = request.getParameter("new");
+
+      Map<String, Integer> allProjectTags = ProjectManager.singleton.getAllProjectTags();
+
+      // Lets remove the old tags from the general map
+      String[] oldTags = oldT.split(",");
+      for (String tag : oldTags) {
+        if (allProjectTags!= null && allProjectTags.containsKey(tag)) {
+          int occurrence = allProjectTags.get(tag);
+
+          if (occurrence == 1) {
+            allProjectTags.remove(tag);
+          } else {
+            allProjectTags.put(tag, occurrence - 1);
+          }
+        }
+      }
+
+      // Lets add the new tags to the general map
+      String[] newTags = newT.split(" |\\,");
+      List<String> polishedTags = new ArrayList<String>(newTags.length);
+      for (String tag : newTags) {
+        tag = tag.trim();
+
+        if (!tag.isEmpty()) {
+          if (allProjectTags!= null && allProjectTags.containsKey(tag)) {
+            allProjectTags.put(tag, allProjectTags.get(tag) + 1);
+          } else {
+            allProjectTags.put(tag, 1);
+          }
+          polishedTags.add(tag);
+        }
+      }
+
+      // Lets update the project tags
+      metadata.setTags(polishedTags.toArray(new String[polishedTags.size()]));
+      metadata.updateModified();
+
+      respond(response, "{ \"code\" : \"ok\" }");
+
+    } catch (JSONException e) {
+      respondException(response, e);
+    }
+  }
+}

main/src/com/google/refine/commands/workspace/GetAllProjectTagsCommand.java

@@ -0,0 +1,69 @@
+/*
+ * 
+ * Copyright 2010, Google Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ * 
+ * Redistributions of source code must retain the above copyright notice, this list of conditions
+ * and the following disclaimer. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution. Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+ * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+package com.google.refine.commands.workspace;
+
+import java.io.IOException;
+import java.util.Map;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.json.JSONException;
+import org.json.JSONWriter;
+
+import com.google.refine.ProjectManager;
+import com.google.refine.commands.Command;
+
+public class GetAllProjectTagsCommand extends Command {
+
+  @Override
+  public void doGet(HttpServletRequest request, HttpServletResponse response)
+      throws ServletException, IOException {
+
+    try {
+      response.setCharacterEncoding("UTF-8");
+      response.setHeader("Content-Type", "application/json");
+
+      JSONWriter writer = new JSONWriter(response.getWriter());
+      // Properties options = new Properties();
+
+      writer.object();
+      writer.key("tags");
+      writer.array();
+      Map<String, Integer> tags = ProjectManager.singleton.getAllProjectTags();
+      if (tags != null) {
+        for (Map.Entry<String, Integer> entry : tags.entrySet()) {
+          writer.value(entry.getKey());
+        }
+      }
+      writer.endArray();
+      writer.endObject();
+    } catch (JSONException e) {
+      respondException(response, e);
+    }
+  }
+}

main/src/com/google/refine/importing/ImportingUtilities.java

@@ -1007,6 +1007,7 @@ public class ImportingUtilities {
     ) {
         ProjectMetadata pm = new ProjectMetadata();
         pm.setName(JSONUtilities.getString(optionObj, "projectName", "Untitled"));
+        pm.setTags(JSONUtilities.getStringArray(optionObj, "projectTags"));
         String encoding = JSONUtilities.getString(optionObj, "encoding", "UTF-8");
         if ("".equals(encoding)) {
             // encoding can be present, but empty, which won't trigger JSONUtilities default processing

main/src/com/google/refine/io/FileProjectManager.java

@@ -41,6 +41,7 @@ import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.util.HashMap;
 import java.util.Properties;
 import java.util.zip.GZIPInputStream;
 
@@ -119,8 +120,22 @@ public class FileProjectManager extends ProjectManager {
             if (metadata == null) {
                 metadata = ProjectMetadataUtilities.recover(getProjectDir(projectID), projectID);
             }
+            
             if (metadata != null) {
                 _projectsMetadata.put(projectID, metadata);
+                if (_projectsTags == null) {
+                    _projectsTags = new HashMap<String, Integer>();
+                }
+                
+                if (metadata != null && metadata.getTags() != null) {
+                    for (String tag : metadata.getTags()) {
+                      if (_projectsTags.containsKey(tag)) {
+                        _projectsTags.put(tag, _projectsTags.get(tag) + 1);
+                      } else {
+                        _projectsTags.put(tag, 1);
+                      }
+                    }
+                }
                 return true;
             } else {
                 return false;
@@ -375,6 +390,16 @@ public class FileProjectManager extends ProjectManager {
                     mergeEmptyUserMetadata(metadata);
 
                     _projectsMetadata.put(id, metadata);
+                    
+                    if (metadata != null && metadata.getTags() != null) {
+                        for (String tag : metadata.getTags()) {
+                          if (_projectsTags.containsKey(tag)) {
+                            _projectsTags.put(tag, _projectsTags.get(tag) + 1);
+                          } else {
+                            _projectsTags.put(tag, 1);
+                          }
+                        }
+                    }
                 }
 
                 if (obj.has("expressions") && !obj.isNull("expressions")) { // backward compatibility

main/tests/server/src/com/google/refine/tests/ProjectManagerTests.java

@@ -94,8 +94,9 @@ public class ProjectManagerTests extends RefineTest {
 
         SUT.registerProject(project, metadata);
 
-        AssertProjectRegistered();
+        AssertProjectRegistered();      
-
+        verify(metadata, times(1)).getTags();
+        
         verifyNoMoreInteractions(project);
         verifyNoMoreInteractions(metadata);
     }
@@ -119,7 +120,8 @@ public class ProjectManagerTests extends RefineTest {
         }
         this.verifySaveTimeCompared(1);
         verify(SUT, times(1)).saveProject(project);
-
+        verify(metadata, times(1)).getTags();
+        
         //ensure end
         verifyNoMoreInteractions(project);
         verifyNoMoreInteractions(metadata);
@@ -160,6 +162,7 @@ public class ProjectManagerTests extends RefineTest {
         SUT.save(true);
 
         verify(metadata, times(1)).getModified();
+        verify(metadata, times(1)).getTags();
         verify(project, times(1)).getProcessManager();
         verify(project, times(2)).getLastSave();
         verify(project, times(1)).dispose();
@@ -180,6 +183,7 @@ public class ProjectManagerTests extends RefineTest {
 
         verify(SUT, never()).saveProjects(Mockito.anyBoolean());
         verify(SUT, never()).saveWorkspace();
+        verify(metadata, times(1)).getTags();
         verifyNoMoreInteractions(project);
         verifyNoMoreInteractions(metadata);
     }
@@ -246,6 +250,7 @@ public class ProjectManagerTests extends RefineTest {
         verify(meta, times(1)).getModified();
         verify(proj, times(2)).getLastSave();
         verify(SUT, times(1)).saveProject(proj);
+        verify(meta, times(1)).getTags();
 
         verifyNoMoreInteractions(proj);
         verifyNoMoreInteractions(meta);

main/tests/server/src/com/google/refine/tests/browsing/facets/TextSearchFacetTests.java

@@ -31,7 +31,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 */
 
-package com.google.refine.tests.model;
+package com.google.refine.tests.browsing.facets;
 
 import static org.mockito.Mockito.mock;
 

main/tests/server/src/com/google/refine/tests/operations/cell/JoinMultiValuedCellsTests.java

@@ -31,7 +31,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 */
 
-package com.google.refine.tests.model;
+package com.google.refine.tests.operations.cell;
 
 import static org.mockito.Mockito.mock;
 

main/webapp/modules/core/MOD-INF/controller.js

@@ -69,6 +69,8 @@ function registerCommands() {
   RS.registerCommand(module, "get-project-metadata", new Packages.com.google.refine.commands.project.GetProjectMetadataCommand());
   RS.registerCommand(module, "get-all-project-metadata", new Packages.com.google.refine.commands.workspace.GetAllProjectMetadataCommand());
   RS.registerCommand(module, "set-metaData", new Packages.com.google.refine.commands.project.SetProjectMetadataCommand());
+  RS.registerCommand(module, "get-all-project-tags", new Packages.com.google.refine.commands.workspace.GetAllProjectTagsCommand());
+  RS.registerCommand(module, "set-project-tags", new Packages.com.google.refine.commands.project.SetProjectTagsCommand());
 
   RS.registerCommand(module, "delete-project", new Packages.com.google.refine.commands.project.DeleteProjectCommand());
   RS.registerCommand(module, "rename-project", new Packages.com.google.refine.commands.project.RenameProjectCommand());
@@ -321,6 +323,8 @@ function init() {
       "externals/jquery.i18n.js",
       "externals/tablesorter/jquery.tablesorter.min.js",
       "externals/moment-with-locales.min.js",
+      "externals/select2/select2.min.js",
+      "externals/jquery.lavalamp.min.js",
 
       "scripts/util/misc.js",
       "scripts/util/url.js",
@@ -332,6 +336,7 @@ function init() {
       "scripts/util/date-time.js",
       "scripts/util/encoding.js",
       "scripts/util/sign.js",
+      "scripts/util/filter-lists.js",
 
       "scripts/index.js",
       "scripts/index/create-project-ui.js",
@@ -364,6 +369,7 @@ function init() {
     module,
     [
       "externals/jquery-ui/css/ui-lightness/jquery-ui-1.10.3.custom.css",
+      "externals/select2/select2.css",
       "externals/tablesorter/theme.blue.css",
       "styles/jquery-ui-overrides.less",
       "styles/common.less",

main/webapp/modules/core/externals/jquery.lavalamp.min.js

@@ -0,0 +1,20 @@
+/**
+ * Lava Lamp
+ * http://lavalamp.magicmediamuse.com/
+ *
+ * Author
+ * Richard Hung
+ * http://www.magicmediamuse.com/
+ *
+ * Version
+ * 1.0.6
+ * 
+ * Copyright (c) 2014 Richard Hung.
+ * 
+ * License
+ * Lava Lamp by Richard Hung is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License.
+ * http://creativecommons.org/licenses/by-nc/3.0/deed.en_US
+ */
+
+
+(function(e){var t={init:function(t){var i={easing:"swing",duration:700,margins:false,setOnClick:false,activeObj:".active",autoUpdate:false,updateTime:100,enableHover:true};var t=e.extend({},i,t);return this.each(function(){var i=t.easing;var s=t.duration;var o=t.margins;var u=t.setOnClick;var a=t.activeObj;var f=t.autoUpdate;var l=t.updateTime;var c=t.enableHover;var h=e(this);var p=h.children();var d=h.children(a);if(d.length==0){d=p.eq(0)}h.data({easing:i,duration:s,margins:o,setOnClick:u,active:d,enableHover:c,isAnim:false});h.addClass("lavalamp").css({position:"relative"});var v=e('<div class="lavalamp-object" />').prependTo(h).css({position:"absolute"});p.addClass("lavalamp-item").css({zIndex:5,position:"relative"});var m=d.outerWidth(o);var g=d.outerHeight(o);var y=d.position().top;var b=d.position().left;var w=d.css("marginTop");var E=d.css("marginLeft");if(!o){E=parseInt(E);w=parseInt(w);b=b+E;y=y+w}v.css({width:m,height:g,top:y,left:b});var S=false;n=function(){var t=e(this);S=true;h.lavalamp("anim",t)};r=function(){var e=h.data("active");S=false;h.lavalamp("anim",e)};if(c){h.on("mouseenter",".lavalamp-item",n);h.on("mouseleave",".lavalamp-item",r)}if(u){p.click(function(){d=e(this);h.data("active",d).lavalamp("update")})}if(f){setInterval(function(){var e=h.data("isAnim");if(S==false&&e==false){h.lavalamp("update")}},l)}})},destroy:function(){return this.each(function(){var t=e(this);var i=t.children(".lavalamp-item");var s=t.data("enableHover");if(s){t.off("mouseenter",".lavalamp-item",n);t.off("mouseleave",".lavalamp-item",r)}t.removeClass("lavalamp");i.removeClass("lavalamp-item");t.children(".lavalamp-object").remove();t.removeData()})},update:function(){return this.each(function(){var t=e(this);var n=t.children(":not(.lavalamp-object)");var r=t.data("active");var i=t.children(".lavalamp-object");n.addClass("lavalamp-item").css({zIndex:5,position:"relative"});t.lavalamp("anim",r)})},anim:function(e){var t=this;var n=t.data("duration");var r=t.data("easing");var i=t.data("margins");var s=t.children(".lavalamp-object");var o=e.outerWidth(i);var u=e.outerHeight(i);var a=e.position().top;var f=e.position().left;var l=e.css("marginTop");var c=e.css("marginLeft");if(!i){c=parseInt(c);l=parseInt(l);f=f+c;a=a+l}t.data("isAnim",true);s.stop(true,false).animate({width:o,height:u,top:a,left:f},n,r,function(){t.data("isAnim",false)})}};e.fn.lavalamp=function(n){if(t[n]){return t[n].apply(this,Array.prototype.slice.call(arguments,1))}else if(typeof n==="object"||!n){return t.init.apply(this,arguments)}else{e.error("Method "+n+" does not exist on jQuery.lavalamp")}};var n,r})(jQuery)

main/webapp/modules/core/externals/select2/select2.css

@@ -0,0 +1,704 @@
+/*
+Version: 3.5.2 Timestamp: Sat Nov  1 14:43:36 EDT 2014
+*/
+.select2-container {
+    margin: 0;
+    position: relative;
+    display: inline-block;
+    /* inline-block for ie7 */
+    zoom: 1;
+    *display: inline;
+    vertical-align: middle;
+}
+
+.select2-container,
+.select2-drop,
+.select2-search,
+.select2-search input {
+  /*
+    Force border-box so that % widths fit the parent
+    container without overlap because of margin/padding.
+    More Info : http://www.quirksmode.org/css/box.html
+  */
+  -webkit-box-sizing: border-box; /* webkit */
+     -moz-box-sizing: border-box; /* firefox */
+          box-sizing: border-box; /* css3 */
+}
+
+.select2-container .select2-choice {
+    display: block;
+    height: 26px;
+    padding: 0 0 0 8px;
+    overflow: hidden;
+    position: relative;
+
+    border: 1px solid #aaa;
+    white-space: nowrap;
+    line-height: 26px;
+    color: #444;
+    text-decoration: none;
+
+    border-radius: 4px;
+
+    background-clip: padding-box;
+
+    -webkit-touch-callout: none;
+      -webkit-user-select: none;
+         -moz-user-select: none;
+          -ms-user-select: none;
+              user-select: none;
+
+    background-color: #fff;
+    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #eee), color-stop(0.5, #fff));
+    background-image: -webkit-linear-gradient(center bottom, #eee 0%, #fff 50%);
+    background-image: -moz-linear-gradient(center bottom, #eee 0%, #fff 50%);
+    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr = '#ffffff', endColorstr = '#eeeeee', GradientType = 0);
+    background-image: linear-gradient(to top, #eee 0%, #fff 50%);
+}
+
+html[dir="rtl"] .select2-container .select2-choice {
+    padding: 0 8px 0 0;
+}
+
+.select2-container.select2-drop-above .select2-choice {
+    border-bottom-color: #aaa;
+
+    border-radius: 0 0 4px 4px;
+
+    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #eee), color-stop(0.9, #fff));
+    background-image: -webkit-linear-gradient(center bottom, #eee 0%, #fff 90%);
+    background-image: -moz-linear-gradient(center bottom, #eee 0%, #fff 90%);
+    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#eeeeee', GradientType=0);
+    background-image: linear-gradient(to bottom, #eee 0%, #fff 90%);
+}
+
+.select2-container.select2-allowclear .select2-choice .select2-chosen {
+    margin-right: 42px;
+}
+
+.select2-container .select2-choice > .select2-chosen {
+    margin-right: 26px;
+    display: block;
+    overflow: hidden;
+
+    white-space: nowrap;
+
+    text-overflow: ellipsis;
+    float: none;
+    width: auto;
+}
+
+html[dir="rtl"] .select2-container .select2-choice > .select2-chosen {
+    margin-left: 26px;
+    margin-right: 0;
+}
+
+.select2-container .select2-choice abbr {
+    display: none;
+    width: 12px;
+    height: 12px;
+    position: absolute;
+    right: 24px;
+    top: 8px;
+
+    font-size: 1px;
+    text-decoration: none;
+
+    border: 0;
+    background: url('select2.png') right top no-repeat;
+    cursor: pointer;
+    outline: 0;
+}
+
+.select2-container.select2-allowclear .select2-choice abbr {
+    display: inline-block;
+}
+
+.select2-container .select2-choice abbr:hover {
+    background-position: right -11px;
+    cursor: pointer;
+}
+
+.select2-drop-mask {
+    border: 0;
+    margin: 0;
+    padding: 0;
+    position: fixed;
+    left: 0;
+    top: 0;
+    min-height: 100%;
+    min-width: 100%;
+    height: auto;
+    width: auto;
+    opacity: 0;
+    z-index: 9998;
+    /* styles required for IE to work */
+    background-color: #fff;
+    filter: alpha(opacity=0);
+}
+
+.select2-drop {
+    width: 100%;
+    margin-top: -1px;
+    position: absolute;
+    z-index: 9999;
+    top: 100%;
+
+    background: #fff;
+    color: #000;
+    border: 1px solid #aaa;
+    border-top: 0;
+
+    border-radius: 0 0 4px 4px;
+
+    -webkit-box-shadow: 0 4px 5px rgba(0, 0, 0, .15);
+            box-shadow: 0 4px 5px rgba(0, 0, 0, .15);
+}
+
+.select2-drop.select2-drop-above {
+    margin-top: 1px;
+    border-top: 1px solid #aaa;
+    border-bottom: 0;
+
+    border-radius: 4px 4px 0 0;
+
+    -webkit-box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
+            box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
+}
+
+.select2-drop-active {
+    border: 1px solid #5897fb;
+    border-top: none;
+}
+
+.select2-drop.select2-drop-above.select2-drop-active {
+    border-top: 1px solid #5897fb;
+}
+
+.select2-drop-auto-width {
+    border-top: 1px solid #aaa;
+    width: auto;
+}
+
+.select2-drop-auto-width .select2-search {
+    padding-top: 4px;
+}
+
+.select2-container .select2-choice .select2-arrow {
+    display: inline-block;
+    width: 18px;
+    height: 100%;
+    position: absolute;
+    right: 0;
+    top: 0;
+
+    border-left: 1px solid #aaa;
+    border-radius: 0 4px 4px 0;
+
+    background-clip: padding-box;
+
+    background: #ccc;
+    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #ccc), color-stop(0.6, #eee));
+    background-image: -webkit-linear-gradient(center bottom, #ccc 0%, #eee 60%);
+    background-image: -moz-linear-gradient(center bottom, #ccc 0%, #eee 60%);
+    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr = '#eeeeee', endColorstr = '#cccccc', GradientType = 0);
+    background-image: linear-gradient(to top, #ccc 0%, #eee 60%);
+}
+
+html[dir="rtl"] .select2-container .select2-choice .select2-arrow {
+    left: 0;
+    right: auto;
+
+    border-left: none;
+    border-right: 1px solid #aaa;
+    border-radius: 4px 0 0 4px;
+}
+
+.select2-container .select2-choice .select2-arrow b {
+    display: block;
+    width: 100%;
+    height: 100%;
+    background: url('select2.png') no-repeat 0 1px;
+}
+
+html[dir="rtl"] .select2-container .select2-choice .select2-arrow b {
+    background-position: 2px 1px;
+}
+
+.select2-search {
+    display: inline-block;
+    width: 100%;
+    min-height: 26px;
+    margin: 0;
+    padding-left: 4px;
+    padding-right: 4px;
+
+    position: relative;
+    z-index: 10000;
+
+    white-space: nowrap;
+}
+
+.select2-search input {
+    width: 100%;
+    height: auto !important;
+    min-height: 26px;
+    padding: 4px 20px 4px 5px;
+    margin: 0;
+
+    outline: 0;
+    font-family: sans-serif;
+    font-size: 1em;
+
+    border: 1px solid #aaa;
+    border-radius: 0;
+
+    -webkit-box-shadow: none;
+            box-shadow: none;
+
+    background: #fff url('select2.png') no-repeat 100% -22px;
+    background: url('select2.png') no-repeat 100% -22px, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, #fff), color-stop(0.99, #eee));
+    background: url('select2.png') no-repeat 100% -22px, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
+    background: url('select2.png') no-repeat 100% -22px, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
+    background: url('select2.png') no-repeat 100% -22px, linear-gradient(to bottom, #fff 85%, #eee 99%) 0 0;
+}
+
+html[dir="rtl"] .select2-search input {
+    padding: 4px 5px 4px 20px;
+
+    background: #fff url('select2.png') no-repeat -37px -22px;
+    background: url('select2.png') no-repeat -37px -22px, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, #fff), color-stop(0.99, #eee));
+    background: url('select2.png') no-repeat -37px -22px, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
+    background: url('select2.png') no-repeat -37px -22px, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
+    background: url('select2.png') no-repeat -37px -22px, linear-gradient(to bottom, #fff 85%, #eee 99%) 0 0;
+}
+
+.select2-drop.select2-drop-above .select2-search input {
+    margin-top: 4px;
+}
+
+.select2-search input.select2-active {
+    background: #fff url('select2-spinner.gif') no-repeat 100%;
+    background: url('select2-spinner.gif') no-repeat 100%, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, #fff), color-stop(0.99, #eee));
+    background: url('select2-spinner.gif') no-repeat 100%, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
+    background: url('select2-spinner.gif') no-repeat 100%, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
+    background: url('select2-spinner.gif') no-repeat 100%, linear-gradient(to bottom, #fff 85%, #eee 99%) 0 0;
+}
+
+.select2-container-active .select2-choice,
+.select2-container-active .select2-choices {
+    border: 1px solid #5897fb;
+    outline: none;
+
+    -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, .3);
+            box-shadow: 0 0 5px rgba(0, 0, 0, .3);
+}
+
+.select2-dropdown-open .select2-choice {
+    border-bottom-color: transparent;
+    -webkit-box-shadow: 0 1px 0 #fff inset;
+            box-shadow: 0 1px 0 #fff inset;
+
+    border-bottom-left-radius: 0;
+    border-bottom-right-radius: 0;
+
+    background-color: #eee;
+    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #fff), color-stop(0.5, #eee));
+    background-image: -webkit-linear-gradient(center bottom, #fff 0%, #eee 50%);
+    background-image: -moz-linear-gradient(center bottom, #fff 0%, #eee 50%);
+    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#eeeeee', endColorstr='#ffffff', GradientType=0);
+    background-image: linear-gradient(to top, #fff 0%, #eee 50%);
+}
+
+.select2-dropdown-open.select2-drop-above .select2-choice,
+.select2-dropdown-open.select2-drop-above .select2-choices {
+    border: 1px solid #5897fb;
+    border-top-color: transparent;
+
+    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #fff), color-stop(0.5, #eee));
+    background-image: -webkit-linear-gradient(center top, #fff 0%, #eee 50%);
+    background-image: -moz-linear-gradient(center top, #fff 0%, #eee 50%);
+    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#eeeeee', endColorstr='#ffffff', GradientType=0);
+    background-image: linear-gradient(to bottom, #fff 0%, #eee 50%);
+}
+
+.select2-dropdown-open .select2-choice .select2-arrow {
+    background: transparent;
+    border-left: none;
+    filter: none;
+}
+html[dir="rtl"] .select2-dropdown-open .select2-choice .select2-arrow {
+    border-right: none;
+}
+
+.select2-dropdown-open .select2-choice .select2-arrow b {
+    background-position: -18px 1px;
+}
+
+html[dir="rtl"] .select2-dropdown-open .select2-choice .select2-arrow b {
+    background-position: -16px 1px;
+}
+
+.select2-hidden-accessible {
+    border: 0;
+    clip: rect(0 0 0 0);
+    height: 1px;
+    margin: -1px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+    width: 1px;
+}
+
+/* results */
+.select2-results {
+    max-height: 200px;
+    padding: 0 0 0 4px;
+    margin: 4px 4px 4px 0;
+    position: relative;
+    overflow-x: hidden;
+    overflow-y: auto;
+    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+}
+
+html[dir="rtl"] .select2-results {
+    padding: 0 4px 0 0;
+    margin: 4px 0 4px 4px;
+}
+
+.select2-results ul.select2-result-sub {
+    margin: 0;
+    padding-left: 0;
+}
+
+.select2-results li {
+    list-style: none;
+    display: list-item;
+    background-image: none;
+}
+
+.select2-results li.select2-result-with-children > .select2-result-label {
+    font-weight: bold;
+}
+
+.select2-results .select2-result-label {
+    padding: 3px 7px 4px;
+    margin: 0;
+    cursor: pointer;
+
+    min-height: 1em;
+
+    -webkit-touch-callout: none;
+      -webkit-user-select: none;
+         -moz-user-select: none;
+          -ms-user-select: none;
+              user-select: none;
+}
+
+.select2-results-dept-1 .select2-result-label { padding-left: 20px }
+.select2-results-dept-2 .select2-result-label { padding-left: 40px }
+.select2-results-dept-3 .select2-result-label { padding-left: 60px }
+.select2-results-dept-4 .select2-result-label { padding-left: 80px }
+.select2-results-dept-5 .select2-result-label { padding-left: 100px }
+.select2-results-dept-6 .select2-result-label { padding-left: 110px }
+.select2-results-dept-7 .select2-result-label { padding-left: 120px }
+
+.select2-results .select2-highlighted {
+    background: #3875d7;
+    color: #fff;
+}
+
+.select2-results li em {
+    background: #feffde;
+    font-style: normal;
+}
+
+.select2-results .select2-highlighted em {
+    background: transparent;
+}
+
+.select2-results .select2-highlighted ul {
+    background: #fff;
+    color: #000;
+}
+
+.select2-results .select2-no-results,
+.select2-results .select2-searching,
+.select2-results .select2-ajax-error,
+.select2-results .select2-selection-limit {
+    background: #f4f4f4;
+    display: list-item;
+    padding-left: 5px;
+}
+
+/*
+disabled look for disabled choices in the results dropdown
+*/
+.select2-results .select2-disabled.select2-highlighted {
+    color: #666;
+    background: #f4f4f4;
+    display: list-item;
+    cursor: default;
+}
+.select2-results .select2-disabled {
+  background: #f4f4f4;
+  display: list-item;
+  cursor: default;
+}
+
+.select2-results .select2-selected {
+    display: none;
+}
+
+.select2-more-results.select2-active {
+    background: #f4f4f4 url('select2-spinner.gif') no-repeat 100%;
+}
+
+.select2-results .select2-ajax-error {
+    background: rgba(255, 50, 50, .2);
+}
+
+.select2-more-results {
+    background: #f4f4f4;
+    display: list-item;
+}
+
+/* disabled styles */
+
+.select2-container.select2-container-disabled .select2-choice {
+    background-color: #f4f4f4;
+    background-image: none;
+    border: 1px solid #ddd;
+    cursor: default;
+}
+
+.select2-container.select2-container-disabled .select2-choice .select2-arrow {
+    background-color: #f4f4f4;
+    background-image: none;
+    border-left: 0;
+}
+
+.select2-container.select2-container-disabled .select2-choice abbr {
+    display: none;
+}
+
+
+/* multiselect */
+
+.select2-container-multi .select2-choices {
+    height: auto !important;
+    height: 1%;
+    margin: 0;
+    padding: 0 5px 0 0;
+    position: relative;
+
+    border: 1px solid #aaa;
+    cursor: text;
+    overflow: hidden;
+
+    background-color: #fff;
+    background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, color-stop(1%, #eee), color-stop(15%, #fff));
+    background-image: -webkit-linear-gradient(top, #eee 1%, #fff 15%);
+    background-image: -moz-linear-gradient(top, #eee 1%, #fff 15%);
+    background-image: linear-gradient(to bottom, #eee 1%, #fff 15%);
+}
+
+html[dir="rtl"] .select2-container-multi .select2-choices {
+    padding: 0 0 0 5px;
+}
+
+.select2-locked {
+  padding: 3px 5px 3px 5px !important;
+}
+
+.select2-container-multi .select2-choices {
+    min-height: 26px;
+}
+
+.select2-container-multi.select2-container-active .select2-choices {
+    border: 1px solid #5897fb;
+    outline: none;
+
+    -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, .3);
+            box-shadow: 0 0 5px rgba(0, 0, 0, .3);
+}
+.select2-container-multi .select2-choices li {
+    float: left;
+    list-style: none;
+}
+html[dir="rtl"] .select2-container-multi .select2-choices li
+{
+    float: right;
+}
+.select2-container-multi .select2-choices .select2-search-field {
+    margin: 0;
+    padding: 0;
+    white-space: nowrap;
+}
+
+.select2-container-multi .select2-choices .select2-search-field input {
+    padding: 5px;
+    margin: 1px 0;
+
+    font-family: sans-serif;
+    font-size: 100%;
+    color: #666;
+    outline: 0;
+    border: 0;
+    -webkit-box-shadow: none;
+            box-shadow: none;
+    background: transparent !important;
+}
+
+.select2-container-multi .select2-choices .select2-search-field input.select2-active {
+    background: #fff url('select2-spinner.gif') no-repeat 100% !important;
+}
+
+.select2-default {
+    color: #999 !important;
+}
+
+.select2-container-multi .select2-choices .select2-search-choice {
+    padding: 3px 5px 3px 18px;
+    margin: 3px 0 3px 5px;
+    position: relative;
+
+    line-height: 13px;
+    color: #333;
+    cursor: default;
+    border: 1px solid #aaaaaa;
+
+    border-radius: 3px;
+
+    -webkit-box-shadow: 0 0 2px #fff inset, 0 1px 0 rgba(0, 0, 0, 0.05);
+            box-shadow: 0 0 2px #fff inset, 0 1px 0 rgba(0, 0, 0, 0.05);
+
+    background-clip: padding-box;
+
+    -webkit-touch-callout: none;
+      -webkit-user-select: none;
+         -moz-user-select: none;
+          -ms-user-select: none;
+              user-select: none;
+
+    background-color: #e4e4e4;
+    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#eeeeee', endColorstr='#f4f4f4', GradientType=0);
+    background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, color-stop(20%, #f4f4f4), color-stop(50%, #f0f0f0), color-stop(52%, #e8e8e8), color-stop(100%, #eee));
+    background-image: -webkit-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eee 100%);
+    background-image: -moz-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eee 100%);
+    background-image: linear-gradient(to bottom, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eee 100%);
+}
+html[dir="rtl"] .select2-container-multi .select2-choices .select2-search-choice
+{
+    margin: 3px 5px 3px 0;
+    padding: 3px 18px 3px 5px;
+}
+.select2-container-multi .select2-choices .select2-search-choice .select2-chosen {
+    cursor: default;
+}
+.select2-container-multi .select2-choices .select2-search-choice-focus {
+    background: #d4d4d4;
+}
+
+.select2-search-choice-close {
+    display: block;
+    width: 12px;
+    height: 13px;
+    position: absolute;
+    right: 3px;
+    top: 4px;
+
+    font-size: 1px;
+    outline: none;
+    background: url('select2.png') right top no-repeat;
+}
+html[dir="rtl"] .select2-search-choice-close {
+    right: auto;
+    left: 3px;
+}
+
+.select2-container-multi .select2-search-choice-close {
+    left: 3px;
+}
+
+html[dir="rtl"] .select2-container-multi .select2-search-choice-close {
+    left: auto;
+    right: 2px;
+}
+
+.select2-container-multi .select2-choices .select2-search-choice .select2-search-choice-close:hover {
+  background-position: right -11px;
+}
+.select2-container-multi .select2-choices .select2-search-choice-focus .select2-search-choice-close {
+    background-position: right -11px;
+}
+
+/* disabled styles */
+.select2-container-multi.select2-container-disabled .select2-choices {
+    background-color: #f4f4f4;
+    background-image: none;
+    border: 1px solid #ddd;
+    cursor: default;
+}
+
+.select2-container-multi.select2-container-disabled .select2-choices .select2-search-choice {
+    padding: 3px 5px 3px 5px;
+    border: 1px solid #ddd;
+    background-image: none;
+    background-color: #f4f4f4;
+}
+
+.select2-container-multi.select2-container-disabled .select2-choices .select2-search-choice .select2-search-choice-close {    display: none;
+    background: none;
+}
+/* end multiselect */
+
+
+.select2-result-selectable .select2-match,
+.select2-result-unselectable .select2-match {
+    text-decoration: underline;
+}
+
+.select2-offscreen, .select2-offscreen:focus {
+    clip: rect(0 0 0 0) !important;
+    width: 1px !important;
+    height: 1px !important;
+    border: 0 !important;
+    margin: 0 !important;
+    padding: 0 !important;
+    overflow: hidden !important;
+    position: absolute !important;
+    outline: 0 !important;
+    left: 0px !important;
+    top: 0px !important;
+}
+
+.select2-display-none {
+    display: none;
+}
+
+.select2-measure-scrollbar {
+    position: absolute;
+    top: -10000px;
+    left: -10000px;
+    width: 100px;
+    height: 100px;
+    overflow: scroll;
+}
+
+/* Retina-ize icons */
+
+@media only screen and (-webkit-min-device-pixel-ratio: 1.5), only screen and (min-resolution: 2dppx)  {
+    .select2-search input,
+    .select2-search-choice-close,
+    .select2-container .select2-choice abbr,
+    .select2-container .select2-choice .select2-arrow b {
+        background-image: url('select2x2.png') !important;
+        background-repeat: no-repeat !important;
+        background-size: 60px 40px !important;
+    }
+
+    .select2-search input {
+        background-position: 100% -21px !important;
+    }
+}

main/webapp/modules/core/langs/translation-en.json

@@ -72,6 +72,7 @@
         "sel-by-regex": "Select by Regex on File Names",
         "parsing-options": "Configure Parsing Options",
         "project-name": "Project name",
+        "project-tags": "Tags",
         "updating-preview": "Updating preview ...",
         "parse-as": "Parse data as",
         "this-computer": "This Computer",
@@ -112,7 +113,10 @@
         "warning-rename": "Failed to rename project:",
         "warning-proj-name": "You must specify a project name.",
         "warning-data-file": "You must specify a data file to upload or a URL to retrieve.",
-        "browse": "Browse workspace directory"
+        "browse": "Browse workspace directory",
+        "tags": "Tags",
+        "edit-tags": "Edit project tags",
+        "edit-tags-desc": "Edit project tags (space and comma are delimiters):"
     },
     "core-index-lang": {
         "lang-settings": "Language Settings",

main/webapp/modules/core/scripts/index/default-importing-controller/controller.js

@@ -278,9 +278,12 @@ Refine.DefaultImportingController.prototype._createProject = function() {
       return;
     }
 
+    var projectTags = $("#tagsInput").val().split(",");
+    
     var self = this;
     var options = this._formatParserUI.getOptions();
     options.projectName = projectName;
+    options.projectTags = projectTags;
     $.post(
       "command/core/importing-controller?" + $.param({
         "controller": "core/default-importing-controller",
@@ -333,3 +336,27 @@ Refine.DefaultImportingController.prototype._createProject = function() {
     );
   }
 };
+
+Refine.TagsManager = {};
+Refine.TagsManager.allProjectTags = [];
+
+Refine.TagsManager._getAllProjectTags = function() {
+    var self = this;
+    if (self.allProjectTags.length === 0) {
+        jQuery.ajax({
+             url : "command/core/get-all-project-tags",
+             success : function(result) {
+                 var array = result.tags.sort(function (a, b) {
+                     return a.toLowerCase().localeCompare(b.toLowerCase());
+                     });
+                                
+                 array.map(function(item){
+                     self.allProjectTags.push(item);
+                 });
+                 
+                 },
+                 async : false
+                 });
+        }
+    return self.allProjectTags;
+};

main/webapp/modules/core/scripts/index/default-importing-controller/parsing-panel.html

@@ -4,6 +4,12 @@
   <td width="98%" id="or-import-parsopt"></td>
   <td style="text-align: right;" id="or-import-projname"></td>
   <td width="1%"><input class="inline" type="text" size="30" bind="projectNameInput" /></td>
+  <td style="text-align: right;" id="or-import-projtags"></td>
+  <td width="1%">
+  	<div id="project-tags-container" class="inline">
+  		<input type="hidden" id="tagsInput" style="width: 300px;" />
+  	</div>
+  </td>
   <td width="1%"><button bind="nextButton" class="button button-primary"></button></td>
 </tr></table></div></div>
 

main/webapp/modules/core/scripts/index/default-importing-controller/parsing-panel.js

@@ -96,9 +96,16 @@ Refine.DefaultImportingController.prototype._prepareParsingPanel = function() {
   this._parsingPanelElmts.nextButton.html($.i18n._('core-buttons')["create-project"]);
   $('#or-import-parsopt').text($.i18n._('core-index-import')["parsing-options"]);
   $('#or-import-projname').html($.i18n._('core-index-import')["project-name"]);
+  $('#or-import-projtags').html($.i18n._('core-index-import')["project-tags"]);
   $('#or-import-updating').text($.i18n._('core-index-import')["updating-preview"]);
   $('#or-import-parseas').text($.i18n._('core-index-import')["parse-as"]);
   
+  //tags dropdown
+  $("#tagsInput").select2({
+          tags: Refine.TagsManager._getAllProjectTags() ,
+          tokenSeparators: [",", " "]
+  });
+  
   this._parsingPanelResizer = function() {
     var elmts = self._parsingPanelElmts;
     var width = self._parsingPanel.width();

main/webapp/modules/core/scripts/index/edit-metadata-dialog.js

@@ -21,11 +21,38 @@ function EditMetadataDialog(metaData, targetRowElem) {
 
       var td2 = tr.insertCell(2);
       
+      if(key==="tags"){
+          $('<button class="button">').text($.i18n._('core-index')["edit"]).appendTo(td2).click(function() {
+              var oldTags = $(td1).text().replace("[","").replace("]","");
+              oldTags = replaceAll(oldTags,"\"","");
+              var newTags = window.prompt($.i18n._('core-index')["change-metadata-value"]+" " + key, $(td1).text());
+              newTags = newTags.replace("[","").replace("]","");
+              newTags = replaceAll(newTags,"\"","");
+              if (newTags !== null) {
+                  $(td1).text(newTags);
+                  metaData[key] = newTags;
+                  $.ajax({
+                      type : "POST",
+                      url : "command/core/set-project-tags",
+                      data : {
+                          "project" : project,
+                          "old" : oldTags,
+                          "new" : newTags
+                      },
+                      dataType : "json",
+                  });
+              }
+              
+              Refine.OpenProjectUI.refreshProject(targetRowElem, metaData, project);
+            });
+      }
+      
       if (key !== "created" && 
               key !== "modified" && 
               key !== "rowCount" && 
               key !== "importOptionMetadata" && 
-              key !== "id")  {
+              key !== "id" &&
+              key !== "tags")  {
           $('<button class="button">').text($.i18n._('core-index')["edit"]).appendTo(td2).click(function() {
             var newValue = window.prompt($.i18n._('core-index')["change-metadata-value"]+" " + key, value);
             if (newValue !== null) {
@@ -47,7 +74,7 @@ function EditMetadataDialog(metaData, targetRowElem) {
               );
             }
             
-            Refine.OpenProjectUI.refreshProject(targetRowElem, metaData);
+            Refine.OpenProjectUI.refreshProject(targetRowElem, metaData, project);
           });
       }
   };
@@ -63,7 +90,7 @@ EditMetadataDialog.prototype._createDialog = function() {
 
   this._level = DialogSystem.showDialog(frame);
   this._elmts.closeButton.html($.i18n._('core-buttons')["close"]);
-  this._elmts.closeButton.click(function() { self._dismiss(); });
+  this._elmts.closeButton.click(function() { self._dismiss();Refine.OpenProjectUI.prototype._addTagFilter()});
   
   var body = $("#metadata-body");
     
@@ -111,3 +138,11 @@ EditMetadataDialog.prototype._dismiss = function() {
     DialogSystem.dismissUntil(this._level - 1);
 };
 
+function escapeRegExp(str) {
+    return str.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
+  }
+
+function replaceAll(str, find, replace) {
+    return str.replace(new RegExp(escapeRegExp(find), 'g'), replace);
+  }
+

main/webapp/modules/core/scripts/index/open-project-ui.html

@@ -1,4 +1,9 @@
 <div class="relative-frame">
-  <div bind="projectsContainer" id="projects-container"></div>
+	<div bind="projectsContainer" id="projects-container">
-  <div bind="workspaceControls" id="projects-workspace-controls"><a id="projects-workspace-open" href="javascript:{}" class="secondary"></a></div>
+		<div bind="projectTags" id="projectTags"></div>
-</div>
+		<div bind="projectList" id="projects-list"></div>
+	</div> 
+	<div bind="workspaceControls" id="projects-workspace-controls">
+		<a id="projects-workspace-open" href="javascript:{}" class="secondary"></a>
+	</div>
+</div>

main/webapp/modules/core/scripts/index/open-project-ui.js

@@ -70,8 +70,8 @@ Refine.OpenProjectUI = function(elmt) {
       }
     });
   });
-
+  Refine.TagsManager.allProjectTags = [];
-  this._fetchProjects();
+  this._buildTagsAndFetchProjects();
 };
 
 Refine.OpenProjectUI.prototype.resize = function() {
@@ -100,6 +100,53 @@ Refine.OpenProjectUI.prototype._fetchProjects = function() {
   );
 };
 
+Refine.OpenProjectUI.prototype._buildTagsAndFetchProjects = function() {
+    this._buildTagsListPanel();
+    this._fetchProjects();
+};
+
+Refine.OpenProjectUI.prototype._buildTagsListPanel = function() {
+    var self = this;
+    self._allTags = Refine.TagsManager._getAllProjectTags();
+
+    var container = self._elmts.projectTags.empty();
+    var ul = $("<ul/>").attr('id', 'tagsUl').appendTo(container);
+
+    // Add 'all' menu item
+    var li = $('<li/>').addClass("active").appendTo(ul);
+    $('<a/>').attr('href', '#all').addClass("current").text('All').appendTo(li);
+
+    $.each(self._allTags, function(i) {
+            var li = $('<li/>').appendTo(ul);
+            $('<a/>').attr('href', '#' + self._allTags[i]).text(self._allTags[i])
+                            .appendTo(li);
+    });
+
+    self._addTagsListAnimation();
+};
+
+Refine.OpenProjectUI.prototype._addTagsListAnimation = function() {
+    $("#tagsUl").lavalamp({
+            setOnClick : true,
+            duration : 300
+    });
+};
+
+Refine.OpenProjectUI.prototype._fetchProjects = function() {
+    var self = this;
+    $.ajax({
+            type : 'GET',
+            url : "command/core/get-all-project-metadata",
+            dataType : 'json',
+            success : function(data) {
+                    self._renderProjects(data);
+                    self.resize();
+            },
+            data : {},
+            async : false
+    });
+};
+
 Refine.OpenProjectUI.prototype._renderProjects = function(data) {
   var self = this;
   var projects = [];
@@ -131,11 +178,13 @@ Refine.OpenProjectUI.prototype._renderProjects = function(data) {
     projects.push(project);
   }
 
-  var container = $("#projects-container").empty();
+  var container = self._elmts.projectList.empty();
   if (!projects.length) {
     $("#no-project-message").clone().show().appendTo(container);
   } else {
     Refine.selectActionArea('open-project');
+    
+    var projectsUl = $("<ul/>").attr('id', 'projectsUl').appendTo(container);
 
     var table = $(
       '<table class="tablesorter-blue list-table"><thead><tr>' +
@@ -143,6 +192,7 @@ Refine.OpenProjectUI.prototype._renderProjects = function(data) {
       '<th></th>' +
       '<th>'+$.i18n._('core-index-open')["last-mod"]+'</th>' +
       '<th>'+$.i18n._('core-index-open')["name"]+'</th>' +
+      '<th>'+$.i18n._('core-index-open')["tags"]+'</th>' + 
       '<th>'+$.i18n._('core-index-open')["creator"]+'</th>' +
       '<th>'+$.i18n._('core-index-open')["subject"]+'</th>' +
       '<th>'+$.i18n._('core-index-open')["description"]+'</th>' +
@@ -157,8 +207,8 @@ Refine.OpenProjectUI.prototype._renderProjects = function(data) {
           
           return htmlDisplay;
       })() +     
-      '</tr></thead><tbody></tbody></table>'
+      '</tr></thead><tbody id="tableBody"></tbody></table>'
-    ).appendTo(container)[0];
+    ).appendTo(projectsUl)[0];
 
     var renderProject = function(project) {
       var tr = table.getElementsByTagName('tbody')[0].insertRow(table.rows.length - 1);
@@ -178,7 +228,8 @@ Refine.OpenProjectUI.prototype._renderProjects = function(data) {
             dataType: "json",
             success: function (data) {
               if (data && typeof data.code != 'undefined' && data.code == "ok") {
-                self._fetchProjects();
+                Refine.TagsManager.allProjectTags = [];
+                self._buildTagsAndFetchProjects();
               }
             }
           });
@@ -210,25 +261,41 @@ Refine.OpenProjectUI.prototype._renderProjects = function(data) {
       .attr("href", "project?project=" + project.id)
       .appendTo($(tr.insertCell(tr.cells.length)));
       
-      var appendMetaField = function(data) {
-          $('<div></div>')
-          .html(data)
-          .appendTo($(tr.insertCell(tr.cells.length)));
-      };
       
-      appendMetaField(project.creator);
+    
-      appendMetaField(project.subject);
+    var tagsCell = $(tr.insertCell(tr.cells.length));
-      appendMetaField(project.description, '20%');
+    var tags = project.tags;
-      appendMetaField(project.rowCount);
+    tags.map(function(tag){
-      
+        $("<span/>")
-      var data = project.userMetadata;
+        .addClass("project-tag")
-      for(var i in data)
+        .text(tag)
-      {
+        .attr("title", $.i18n._('core-index-open')["edit-tags"])
-           if (data[i].display === true) {
+        .appendTo(tagsCell);
-               appendMetaField(data[i].value); 
+        $(tr).addClass(tag);
-           }
+    });
-      }
+    
+    
+    var appendMetaField = function(data) {
+        $('<div></div>')
+        .html(data)
+        .appendTo($(tr.insertCell(tr.cells.length)));
     };
+    
+    appendMetaField(project.creator);
+    appendMetaField(project.subject);
+    appendMetaField(project.description, '20%');
+    appendMetaField(project.rowCount);
+    
+    var data = project.userMetadata;
+    for(var i in data)
+    {
+         if (data[i].display === true) {
+             appendMetaField(data[i].value); 
+         }
+    }
+        
+
+      };
 
     for (var i = 0; i < projects.length; i++) {
       renderProject(projects[i]);
@@ -243,9 +310,14 @@ Refine.OpenProjectUI.prototype._renderProjects = function(data) {
         sortList: [[2,1]],
         widthFixed: false
     });
+    self._addTagFilter();
   }
 };
 
+Refine.OpenProjectUI.prototype._addTagFilter = function() {
+    $("#tableBody").filterList();
+};
+
 Refine.OpenProjectUI.prototype._onClickUploadFileButton = function(evt) {
   var projectName = $("#project-name-input")[0].value;
   var dataURL = $.trim($("#project-url-input")[0].value);
@@ -276,19 +348,47 @@ Refine.OpenProjectUI.prototype._onClickUploadFileButton = function(evt) {
   return false;
 };
 
-Refine.OpenProjectUI.refreshProject = function(tr, metaData) {
+Refine.OpenProjectUI.refreshProject = function(tr, metaData, project) {
+    
     var refreshMetaField = function(data, index) {
         if (index === 3) {
             $('a', $('td', tr).eq(index))
             .text(data);
         } else {
-            $('td', tr).eq(index)
+            $('td', tr).eq(index).find('div')
             .text(data);
         }
     };
     
+    var refreshMetaTags = function(data, index) {
+        var tagCol = $('td', tr).eq(index).empty();
+        if(data.constructor === Array){
+            data.map(function(tag){
+                var tagsCell = $("<span/>")
+                .addClass("project-tag")
+                .text(tag)
+                .attr("title", $.i18n._('core-index-open')["edit-tags"])
+                .appendTo(tagCol);
+                tagCol.parent().addClass(tag);
+            });
+   
+        } else{
+            data.split(",").map(function(tag){
+                var tagsCell = $("<span/>")
+                .addClass("project-tag")
+                .text(tag)
+                .attr("title", $.i18n._('core-index-open')["edit-tags"])
+                .appendTo(tagCol);
+                tagCol.parent().addClass(tag);
+            });
+            
+    }
+   
+    };
+    
     var index = 3;
     refreshMetaField(metaData.name, index); index++;
+    refreshMetaTags(metaData.tags, index); index++;
     refreshMetaField(metaData.creator, index); index++;
     refreshMetaField(metaData.subject,index); index++;
     refreshMetaField(metaData.description,index); index++;
@@ -316,11 +416,25 @@ Refine.OpenProjectUI.refreshProject = function(tr, metaData) {
              refreshMetaField(data[i].value,index); index++; 
          }
     }
-
+    
+    Refine.TagsManager.allProjectTags = [];
+    var self = this;
+    var list = $("#tagsUl").empty();
+    self._allTags = Refine.TagsManager._getAllProjectTags();
+     
+      var li = $('<li/>').addClass("active").appendTo(list);
+      $('<a/>').attr('href',
+      '#all').addClass("current").text('All').appendTo(li);
+     
+      $.each(self._allTags, function(i) {
+      var li = $('<li/>').appendTo(list);
+      $('<a/>').attr('href', '#' + self._allTags[i]).text(self._allTags[i])
+      .appendTo(li);
+      });
 };
 
 Refine.actionAreas.push({
   id: "open-project",
   label: $.i18n._('core-index-open')["open-proj"],
   uiClass: Refine.OpenProjectUI
-});
+});

main/webapp/modules/core/scripts/util/filter-lists.js

@@ -0,0 +1,62 @@
+/*
+* Copyright (C) 2009 Joel Sutherland.
+* Liscenced under the MIT liscense
+*/
+
+(function($) {
+        $.fn.filterList = function(settings) {
+                settings = $.extend(
+                        {
+                                animationSpeed: 500,
+                                show: { height: 'show', opacity: 'show' },
+                                hide: { height: 'hide', opacity: 'hide' },
+                                useTags: true,
+                                tagSelector: '#projectTags a',
+                                selectedTagClass: 'current',
+                                allTag: 'all'
+                        }, settings);
+                
+                var listElement = $(this);
+                
+                /* FILTER: select a tag and filter */
+                listElement.bind("filter", function( e, tagToShow ){
+                        if(settings.useTags){
+                                $(settings.tagSelector).removeClass(settings.selectedTagClass);
+                                $(settings.tagSelector + '[href=' + tagToShow + ']').addClass(settings.selectedTagClass);
+                        }
+                        $(this).trigger("filterMyList", [ tagToShow.substr(1) ]);
+                });
+        
+                /* FILTERPORTFOLIO: pass in a class to show, all others will be hidden */
+                listElement.bind("filterMyList", function( e, classToShow ){
+                        if(classToShow === settings.allTag){
+                                $(this).trigger("show");
+                        }else{
+                                $(this).trigger("show", [ '.' + classToShow ] );
+                                $(this).trigger("hide", [ ':not(.' + classToShow + ')' ] );
+                        }
+                });
+                
+                /* SHOW: show a single class*/
+                $(this).bind("show", function( e, selectorToShow ){
+                        listElement.children(selectorToShow).animate(settings.show, settings.animationSpeed);
+                });
+                
+                /* SHOW: hide a single class*/
+                $(this).bind("hide", function( e, selectorToHide ){
+                        listElement.children(selectorToHide).animate(settings.hide, settings.animationSpeed * 0.6);     
+                });
+                
+                /* ============ Setup Tags ====================*/
+                if(settings.useTags){
+                        $(settings.tagSelector).on("click", function(){
+                                listElement.trigger("filter", [ $(this).attr('href') ]);
+                                
+                                $(settings.tagSelector).removeClass('current');
+                                $(this).addClass('current');
+                        });
+                }
+                
+                return this;
+        };
+})(jQuery);

main/webapp/modules/core/styles/index/open-project-ui.less

@@ -139,3 +139,71 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #metadata-body > table > tbody > tr:nth-child(1) > th:nth-child(3) {
  width: 4%
  }
+ 
+ /* Project Tags */
+#projectTags {
+	position: relative;
+	padding: 3px 10px;
+	margin: 5px;
+	font-size: 130%;
+	border-radius: 5px;
+	-moz-border-radius: 5px;
+	-webkit-border-radius: 5px;
+	background: #bcf;
+	min-height: 18px;
+	height: auto;
+	overflow:auto;
+}
+
+ul#tagsUl {
+	margin: 0;
+	padding: 0;
+}
+
+ul#tagsUl li {
+	list-style: none;
+	float: left;
+	text-align: center;
+	min-width: 80px;
+}
+
+ul#tagsUl li a {
+	padding: 6px 5px; 
+	display : inline-block;
+	text-align: center;
+	color: #444;
+	text-shadow: 0 -1px 2px rgba(255, 255, 255, 0.60);
+	cursor: pointer;
+	font-weight: bold;
+	min-width: 50px;
+}
+
+ul#tagsUl li a  {
+	text-decoration: none;
+}
+
+#projectTags .lavalamp-object {
+	background-color: #DEE6FF;
+	border-radius: 10px;
+	-moz-border-radius: 10px;
+	-webkit-border-radius: 10px;
+}
+
+/* Project List */
+#projects-list{
+	overflow: auto;
+}
+
+.project .project-tag   {
+	float: left;
+	padding: 3px 8px;
+	margin: 0px 2px;
+	border-radius: 3px;
+	-moz-border-radius: 3px;
+	-webkit-border-radius: 3px;
+	font-size: 100%;
+	font-weight: bold;
+	background: #28458A;
+	color: white;
+	cursor: pointer;
+}