Implemented but disabled the denormalize operation.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@571 7d457c2a-affb-35e4-300a-418c747d4874

src/main/java/com/metaweb/gridworks/GridworksServlet.java

@@ -25,6 +25,7 @@ import com.metaweb.gridworks.commands.edit.AnnotateRowsCommand;
 import com.metaweb.gridworks.commands.edit.ApplyOperationsCommand;
 import com.metaweb.gridworks.commands.edit.CreateProjectCommand;
 import com.metaweb.gridworks.commands.edit.DeleteProjectCommand;
+import com.metaweb.gridworks.commands.edit.DenormalizeCommand;
 import com.metaweb.gridworks.commands.edit.EditOneCellCommand;
 import com.metaweb.gridworks.commands.edit.ExportProjectCommand;
 import com.metaweb.gridworks.commands.edit.ExtendDataCommand;
@@ -119,6 +120,8 @@ public class GridworksServlet extends HttpServlet {
         _commands.put("split-column", new SplitColumnCommand());
         _commands.put("extend-data", new ExtendDataCommand());
         
+        _commands.put("denormalize", new DenormalizeCommand());
+        
         _commands.put("reconcile", new ReconcileCommand());
         _commands.put("recon-match-best-candidates", new ReconMatchBestCandidatesCommand());
         _commands.put("recon-mark-new-topics", new ReconMarkNewTopicsCommand());

src/main/java/com/metaweb/gridworks/commands/edit/DenormalizeCommand.java

@@ -0,0 +1,32 @@
+package com.metaweb.gridworks.commands.edit;
+
+import java.io.IOException;
+import java.util.Properties;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import com.metaweb.gridworks.commands.Command;
+import com.metaweb.gridworks.model.AbstractOperation;
+import com.metaweb.gridworks.model.Project;
+import com.metaweb.gridworks.operations.DenormalizeOperation;
+import com.metaweb.gridworks.process.Process;
+
+public class DenormalizeCommand extends Command {
+    @Override
+    public void doPost(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+        
+        try {
+            Project project = getProject(request);
+            
+            AbstractOperation op = new DenormalizeOperation();
+            Process process = op.createProcess(project, new Properties());
+            
+            performProcessAndRespond(request, response, project, process);
+        } catch (Exception e) {
+            respondException(response, e);
+        }
+    }
+}

src/main/java/com/metaweb/gridworks/operations/DenormalizeOperation.java

@@ -0,0 +1,75 @@
+package com.metaweb.gridworks.operations;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.json.JSONWriter;
+
+import com.metaweb.gridworks.history.HistoryEntry;
+import com.metaweb.gridworks.model.AbstractOperation;
+import com.metaweb.gridworks.model.Cell;
+import com.metaweb.gridworks.model.Project;
+import com.metaweb.gridworks.model.Row;
+import com.metaweb.gridworks.model.changes.MassRowChange;
+
+public class DenormalizeOperation extends AbstractOperation {
+    static public AbstractOperation reconstruct(Project project, JSONObject obj) throws Exception {
+        return new DenormalizeOperation();
+    }
+    
+    public DenormalizeOperation() {
+    }
+    
+   public void write(JSONWriter writer, Properties options)
+           throws JSONException {
+       
+       writer.object();
+       writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
+       writer.key("description"); writer.value("Denormalize");
+       writer.endObject();
+    }
+
+
+    protected String getBriefDescription(Project project) {
+        return "Denormalize";
+    }
+
+    protected HistoryEntry createHistoryEntry(Project project, long historyEntryID) throws Exception {
+        List<Row> newRows = new ArrayList<Row>();
+        
+        List<Row> oldRows = project.rows;
+        for (int r = 0; r < oldRows.size(); r++) {
+            Row oldRow = oldRows.get(r);
+            Row newRow = null;
+            
+            if (oldRow.contextCellSlots != null && oldRow.contextRowSlots != null) {
+                newRow = oldRow.dup();
+                
+                for (int c = 0; c < oldRow.contextCellSlots.length && c < oldRow.contextRowSlots.length; c++) {
+                    int contextRowIndex = oldRow.contextRowSlots[c];
+                    int contextCellIndex = oldRow.contextCellSlots[c];
+                    
+                    if (contextRowIndex >= 0 && contextRowIndex < oldRows.size()) {
+                        Row contextRow = oldRows.get(contextRowIndex);
+                        Cell contextCell = contextRow.getCell(contextCellIndex);
+                        
+                        newRow.setCell(contextCellIndex, contextCell);
+                    }
+                }
+            }
+            
+            newRows.add(newRow != null ? newRow : oldRow);
+        }
+        
+        return new HistoryEntry(
+            historyEntryID, 
+            project,
+            getBriefDescription(project),
+            DenormalizeOperation.this,
+            new MassRowChange(newRows)
+        );
+    }
+}

src/main/java/com/metaweb/gridworks/operations/OperationRegistry.java

@@ -43,6 +43,8 @@ public abstract class OperationRegistry {
         register("save-protograph", SaveProtographOperation.class);
         register("text-transform", TextTransformOperation.class);
         register("mass-edit", MassEditOperation.class);
+        
+        register("denormalize", DenormalizeOperation.class);
     }
     
     static public AbstractOperation reconstruct(Project project, JSONObject obj) {

src/main/webapp/scripts/project/menu-bar.js

@@ -16,6 +16,18 @@ MenuBar.prototype._initializeUI = function() {
     var self = this;
     
     this._createTopLevelMenuItem("Project", [
+        /*
+        {
+            "label": "Data Model",
+            "submenu": [
+                {
+                    "label": "Denormalize Records",
+                    "click": function() { self._doDenormalizeRecords(); }
+                }
+            ]
+        },
+        {},
+        */
         {
             "label": "Export Filtered Rows",
             "submenu": [
@@ -148,6 +160,15 @@ MenuBar.prototype._deactivateMenu = function() {
     this._mode = "inactive";
 };
 
+MenuBar.prototype._doDenormalizeRecords = function() {
+    Gridworks.postProcess(
+        "denormalize", 
+        {},
+        null,
+        { modelsChanged: true }
+    );
+};
+
 MenuBar.prototype._doExportTripleloader = function() {
     if (!theProject.protograph) {
         alert(