Implemented single-cell editing.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@210 7d457c2a-affb-35e4-300a-418c747d4874

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

@@ -16,6 +16,7 @@ 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.DoTextTransformCommand;
+import com.metaweb.gridworks.commands.edit.EditOneCellCommand;
 import com.metaweb.gridworks.commands.edit.FacetBasedEditCommand;
 import com.metaweb.gridworks.commands.edit.JoinMultiValueCellsCommand;
 import com.metaweb.gridworks.commands.edit.RemoveColumnCommand;
@@ -75,6 +76,7 @@ public class GridworksServlet extends HttpServlet {
         _commands.put("compute-facets", new ComputeFacetsCommand());
         _commands.put("do-text-transform", new DoTextTransformCommand());
         _commands.put("facet-based-edit", new FacetBasedEditCommand());
+        _commands.put("edit-one-cell", new EditOneCellCommand());
         
         _commands.put("add-column", new AddColumnCommand());
         _commands.put("remove-column", new RemoveColumnCommand());

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

@@ -0,0 +1,115 @@
+package com.metaweb.gridworks.commands.edit;
+
+import java.io.IOException; 
+import java.io.Serializable;
+import java.util.Properties;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.json.JSONWriter;
+
+import com.metaweb.gridworks.commands.Command;
+import com.metaweb.gridworks.expr.ExpressionUtils;
+import com.metaweb.gridworks.history.Change;
+import com.metaweb.gridworks.history.HistoryEntry;
+import com.metaweb.gridworks.model.Cell;
+import com.metaweb.gridworks.model.Column;
+import com.metaweb.gridworks.model.Project;
+import com.metaweb.gridworks.model.Recon;
+import com.metaweb.gridworks.model.changes.CellChange;
+import com.metaweb.gridworks.process.QuickHistoryEntryProcess;
+import com.metaweb.gridworks.util.ParsingUtilities;
+
+public class EditOneCellCommand extends Command {
+    @Override
+    public void doPost(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+        
+        try {
+            Project project = getProject(request);
+            
+            int rowIndex = Integer.parseInt(request.getParameter("row"));
+            int cellIndex = Integer.parseInt(request.getParameter("cell"));
+            
+            String type = request.getParameter("type");
+            String valueString = request.getParameter("value");
+            Serializable value = null;
+            
+            if ("number".equals(type)) {
+                value = Double.parseDouble(valueString);
+            } else if ("boolean".equals(type)) {
+                value = "true".equalsIgnoreCase(valueString);
+            } else if ("date".equals(type)) {
+                value = ParsingUtilities.stringToDate(valueString);
+            } else {
+                value = valueString;
+            }
+
+            EditOneCellProcess process = new EditOneCellProcess(
+                project, 
+                "Edit single cell",
+                rowIndex, 
+                cellIndex, 
+                value
+            );
+            
+            boolean done = project.processManager.queueProcess(process);
+            if (done) {
+                JSONWriter writer = new JSONWriter(response.getWriter());
+                writer.object();
+                writer.key("code"); writer.value("ok");
+                writer.key("cell"); process.newCell.write(writer, new Properties());
+                writer.endObject();
+            } else {
+                respond(response, "{ \"code\" : \"pending\" }");
+            }
+        } catch (Exception e) {
+            respondException(response, e);
+        }
+    }
+    
+    protected class EditOneCellProcess extends QuickHistoryEntryProcess {
+        final int rowIndex;
+        final int cellIndex;
+        final Serializable value;
+        Cell newCell;
+        
+        EditOneCellProcess(
+            Project project, 
+            String briefDescription, 
+            int rowIndex, 
+            int cellIndex, 
+            Serializable value
+        ) {
+            super(project, briefDescription);
+            
+            this.rowIndex = rowIndex;
+            this.cellIndex = cellIndex;
+            this.value = value;
+        }
+
+        protected HistoryEntry createHistoryEntry() throws Exception {
+            Cell cell = _project.rows.get(rowIndex).getCell(cellIndex);
+            Column column = _project.columnModel.getColumnByCellIndex(cellIndex);
+            if (column == null) {
+                throw new Exception("No such column");
+            }
+            
+            newCell = new Cell(
+                value, 
+                cell != null ? cell.recon : null
+            );
+            
+            String description = 
+                "Edit single cell on row " + (rowIndex + 1) + 
+                ", column " + column.getHeaderLabel();
+
+            Change change = new CellChange(rowIndex, cellIndex, cell, newCell);
+                
+            return new HistoryEntry(
+                _project, description, null, change);
+        }
+    }
+}

src/main/java/com/metaweb/gridworks/model/Cell.java

@@ -2,6 +2,7 @@ package com.metaweb.gridworks.model;
 
 import java.io.Serializable;
 import java.util.Calendar;
+import java.util.Date;
 import java.util.Properties;
 
 import org.json.JSONException;
@@ -40,11 +41,17 @@ public class Cell implements Serializable, HasFields, Jsonizable {
             writer.value(((EvalError) value).message);
         } else {
             writer.key("v");
-            if (value != null && value instanceof Calendar) {
+            if (value != null) {
+                if (value instanceof Calendar) {
                     writer.value(ParsingUtilities.dateToString(((Calendar) value).getTime()));
+                } else if (value instanceof Date) {
+                    writer.value(ParsingUtilities.dateToString((Date) value));
                 } else {
                     writer.value(value);
                 }
+            } else {
+                writer.value(null);
+            }
         }
         
         if (recon != null) {

src/main/webapp/project.html

@@ -1 +1 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    
    <title>Gridworks</title>
    <link type="text/css" rel="stylesheet" href="externals/suggest/css/suggest-1.0.3.min.css" />
    <link type="text/css" rel="stylesheet" href="externals/jquery-ui/css/ui-lightness/jquery-ui-1.7.2.custom.css" />
    
    <link rel="stylesheet" href="/styles/common.css" />
    <link rel="stylesheet" href="/styles/menu.css" />
    <link rel="stylesheet" href="/styles/dialog.css" />
    
    <link rel="stylesheet" href="/styles/project.css" />
    <link rel="stylesheet" href="/styles/data-table-view.css" />
    <link rel="stylesheet" href="/styles/history.css" />
    <link rel="stylesheet" href="/styles/browsing.css" />
    <link rel="stylesheet" href="/styles/process.css" />
    <link rel="stylesheet" href="/styles/menu-bar.css" />
    <link rel="stylesheet" href="/styles/expression-preview-dialog.css" />
    <link rel="stylesheet" href="/styles/schema-alignment-dialog.css" />
    <link rel="stylesheet" href="/styles/recon-dialog.css" />
    <link rel="stylesheet" href="/styles/facet-based-edit-dialog.css" />
    
    <script type="text/javascript" src="externals/jquery-1.4.1.min.js"></script>
    <script type="text/javascript" src="externals/suggest/suggest-1.0.3.min.js"></script>
    <script type="text/javascript" src="externals/jquery-ui/jquery-ui-1.7.2.custom.min.js"></script>
    
    <script type="text/javascript" src="scripts/util/misc.js"></script>
    <script type="text/javascript" src="scripts/util/url.js"></script>
    <script type="text/javascript" src="scripts/util/string.js"></script>
    <script type="text/javascript" src="scripts/util/ajax.js"></script>
    <script type="text/javascript" src="scripts/util/menu.js"></script>
    <script type="text/javascript" src="scripts/util/dialog.js"></script>
    <script type="text/javascript" src="scripts/util/dom.js"></script>
    <script type="text/javascript" src="scripts/util/property-suggest.js"></script>
    
    <script type="text/javascript" src="scripts/project.js"></script>
    <script type="text/javascript" src="scripts/project/history-widget.js"></script>
    <script type="text/javascript" src="scripts/project/process-widget.js"></script>
    <script type="text/javascript" src="scripts/project/menu-bar.js"></script>
    <script type="text/javascript" src="scripts/project/browsing-engine.js"></script>
    <script type="text/javascript" src="scripts/project/scripting.js"></script>
    
    <script type="text/javascript" src="scripts/facets/list-facet.js"></script>
    <script type="text/javascript" src="scripts/facets/range-facet.js"></script>
    <script type="text/javascript" src="scripts/facets/text-search-facet.js"></script>
    
    <script type="text/javascript" src="scripts/views/data-table-view.js"></script>
    <script type="text/javascript" src="scripts/views/data-table-cell-ui.js"></script>
    <script type="text/javascript" src="scripts/views/data-table-column-header-ui.js"></script>
    
    <script type="text/javascript" src="scripts/dialogs/recon-dialog.js"></script>
    <script type="text/javascript" src="scripts/dialogs/expression-preview-dialog.js"></script>
    <script type="text/javascript" src="scripts/dialogs/facet-based-edit-dialog.js"></script>
    
    <script type="text/javascript" src="scripts/protograph/schema-alignment.js"></script>
    <script type="text/javascript" src="scripts/protograph/schema-alignment-ui-node.js"></script>
    <script type="text/javascript" src="scripts/protograph/schema-alignment-ui-link.js"></script>
</head>
<body>
    <div id="header">
        <div id="path"><a class="app-path-section" href="./index.html">Gridworks</a> &raquo; </div>
    </div>
    
    <div id="body">
        <div id="loading-message"><img src="images/large-spinner.gif" /> starting up ...</div>
    </div>
</body>
</html>
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    
    <title>Gridworks</title>
    <link type="text/css" rel="stylesheet" href="externals/suggest/css/suggest-1.0.3.min.css" />
    <link type="text/css" rel="stylesheet" href="externals/jquery-ui/css/ui-lightness/jquery-ui-1.7.2.custom.css" />
    
    <link rel="stylesheet" href="/styles/common.css" />
    <link rel="stylesheet" href="/styles/menu.css" />
    <link rel="stylesheet" href="/styles/dialog.css" />
    
    <link rel="stylesheet" href="/styles/project.css" />
    <link rel="stylesheet" href="/styles/data-table-view.css" />
    <link rel="stylesheet" href="/styles/history.css" />
    <link rel="stylesheet" href="/styles/browsing.css" />
    <link rel="stylesheet" href="/styles/process.css" />
    <link rel="stylesheet" href="/styles/menu-bar.css" />
    <link rel="stylesheet" href="/styles/expression-preview-dialog.css" />
    <link rel="stylesheet" href="/styles/schema-alignment-dialog.css" />
    <link rel="stylesheet" href="/styles/recon-dialog.css" />
    <link rel="stylesheet" href="/styles/facet-based-edit-dialog.css" />
    
    <script type="text/javascript" src="externals/jquery-1.4.1.min.js"></script>
    <script type="text/javascript" src="externals/suggest/suggest-1.0.3.min.js"></script>
    <script type="text/javascript" src="externals/jquery-ui/jquery-ui-1.7.2.custom.min.js"></script>
    <script type="text/javascript" src="externals/date.js"></script>
    
    <script type="text/javascript" src="scripts/util/misc.js"></script>
    <script type="text/javascript" src="scripts/util/url.js"></script>
    <script type="text/javascript" src="scripts/util/string.js"></script>
    <script type="text/javascript" src="scripts/util/ajax.js"></script>
    <script type="text/javascript" src="scripts/util/menu.js"></script>
    <script type="text/javascript" src="scripts/util/dialog.js"></script>
    <script type="text/javascript" src="scripts/util/dom.js"></script>
    <script type="text/javascript" src="scripts/util/property-suggest.js"></script>
    
    <script type="text/javascript" src="scripts/project.js"></script>
    <script type="text/javascript" src="scripts/project/history-widget.js"></script>
    <script type="text/javascript" src="scripts/project/process-widget.js"></script>
    <script type="text/javascript" src="scripts/project/menu-bar.js"></script>
    <script type="text/javascript" src="scripts/project/browsing-engine.js"></script>
    <script type="text/javascript" src="scripts/project/scripting.js"></script>
    
    <script type="text/javascript" src="scripts/facets/list-facet.js"></script>
    <script type="text/javascript" src="scripts/facets/range-facet.js"></script>
    <script type="text/javascript" src="scripts/facets/text-search-facet.js"></script>
    
    <script type="text/javascript" src="scripts/views/data-table-view.js"></script>
    <script type="text/javascript" src="scripts/views/data-table-cell-ui.js"></script>
    <script type="text/javascript" src="scripts/views/data-table-column-header-ui.js"></script>
    
    <script type="text/javascript" src="scripts/dialogs/recon-dialog.js"></script>
    <script type="text/javascript" src="scripts/dialogs/expression-preview-dialog.js"></script>
    <script type="text/javascript" src="scripts/dialogs/facet-based-edit-dialog.js"></script>
    
    <script type="text/javascript" src="scripts/protograph/schema-alignment.js"></script>
    <script type="text/javascript" src="scripts/protograph/schema-alignment-ui-node.js"></script>
    <script type="text/javascript" src="scripts/protograph/schema-alignment-ui-link.js"></script>
</head>
<body>
    <div id="header">
        <div id="path"><a class="app-path-section" href="./index.html">Gridworks</a> &raquo; </div>
    </div>
    
    <div id="body">
        <div id="loading-message"><img src="images/large-spinner.gif" /> starting up ...</div>
    </div>
</body>
</html>

src/main/webapp/scripts/util/menu.js

@@ -21,8 +21,6 @@ MenuSystem.showMenu = function(elmt, onDismiss) {
     
     var level = MenuSystem._layers.length;
     
-    elmt.click(MenuSystem.dismissAll);
-    
     return level;
 };
 
@@ -53,14 +51,38 @@ MenuSystem.createMenuItem = function() {
 
 MenuSystem.positionMenuAboveBelow = function(menu, elmt) {
     var offset = elmt.offset();
-    menu.css("left", offset.left + "px")
+    var windowWidth = $(document.body).innerWidth();
-        .css("top", (offset.top + elmt.outerHeight()) + "px");
+    var windowHeight = $(document.body).innerHeight();
+    
+    if (offset.top + elmt.outerHeight() - document.body.scrollTop + menu.outerHeight() > windowHeight - 10) {
+        menu.css("top", (offset.top - menu.outerHeight()) + "px");
+    } else {
+        menu.css("top", (offset.top + elmt.outerHeight()) + "px");
+    }
+    
+    if (offset.left - document.body.scrollLeft + menu.outerWidth() > windowWidth - 10) {
+        menu.css("left", (offset.left + elmt.outerWidth() - menu.outerWidth()) + "px");
+    } else {
+        menu.css("left", offset.left + "px");
+    }
 };
 
 MenuSystem.positionMenuLeftRight = function(menu, elmt) {
     var offset = elmt.offset();
-    menu.css("top", offset.top + "px")
+    var windowWidth = $(document.body).innerWidth();
-        .css("left", (offset.left + elmt.outerWidth()) + "px");
+    var windowHeight = $(document.body).innerHeight();
+    
+    if (offset.top - document.body.scrollTop + menu.outerHeight() > windowHeight - 10) {
+        menu.css("top", (offset.top + elmt.outerHeight() - menu.outerHeight()) + "px");
+    } else {
+        menu.css("top", offset.top + "px");
+    }
+    
+    if (offset.left + elmt.outerWidth() - document.body.scrollLeft + menu.outerWidth() > windowWidth - 10) {
+        menu.css("left", (offset.left - menu.outerWidth()) + "px");
+    } else {
+        menu.css("left", (offset.left + elmt.outerWidth()) + "px");
+    }
 };
 
 MenuSystem.createAndShowStandardMenu = function(items, elmt, options) {
@@ -100,7 +122,10 @@ MenuSystem.createAndShowStandardMenu = function(items, elmt, options) {
                     );
                 });
             } else {
-                menuItem.html(item.label).click(item.click);
+                menuItem.html(item.label).click(function(evt) {
+                    item.click.call(this, evt);
+                    MenuSystem.dismissAll();
+                });
                 if ("tooltip" in item) {
                     menuItem.attr("title", item.tooltip);
                 }

src/main/webapp/scripts/views/data-table-cell-ui.js

@@ -12,21 +12,31 @@ DataTableCellUI.prototype._render = function() {
     var self = this;
     var cell = this._cell;
     
-    $(this._td).empty();
+    var divContent = $('<div/>')
-    var divContent = $('<div></div>').appendTo(this._td);
+        .addClass("data-table-cell-content");
+        
+    var editLink = $('<a href="javascript:{}" />')
+        .addClass("data-table-cell-edit")
+        .text("edit")
+        .appendTo(divContent)
+        .click(function() { self._startEdit(this); });
+        
+    $(this._td).empty()
+        .unbind()
+        .mouseenter(function() { editLink.css("visibility", "visible"); })
+        .mouseleave(function() { editLink.css("visibility", "hidden"); });
     
     if (cell == null || ("v" in cell && cell.v == null)) {
-        $(divContent).html("&nbsp;");
+        $('<span>').html("&nbsp;").appendTo(divContent);
     } else if ("e" in cell) {
         $('<span>').addClass("data-table-error").text(cell.e).appendTo(divContent);
     } else if (!("r" in cell) || cell.r == null) {
-        $(divContent).text(cell.v);
+        $('<span>').text(cell.v).appendTo(divContent);
     } else {
         var r = cell.r;
         if (r.j == "new") {
-            $(divContent).text(cell.v + " (new topic)");
+            $('<span>').text(cell.v + " (new topic) ").appendTo(divContent);
             
-            $('<span> </span>').appendTo(divContent);
             $('<a href="javascript:{}">re-match</a>')
                 .addClass("data-table-recon-action")
                 .appendTo(divContent).click(function(evt) {
@@ -35,19 +45,21 @@ DataTableCellUI.prototype._render = function() {
         } else if (r.j == "matched" && "m" in r && r.m != null) {
             var match = cell.r.m;
             $('<a></a>')
+                .text(match.name)
                 .attr("href", "http://www.freebase.com/view" + match.id)
                 .attr("target", "_blank")
-                .text(match.name)
                 .appendTo(divContent);
                 
             $('<span> </span>').appendTo(divContent);
-            $('<a href="javascript:{}">re-match</a>')
+            $('<a href="javascript:{}"></a>')
+                .text("re-match")
                 .addClass("data-table-recon-action")
-                .appendTo(divContent).click(function(evt) {
+                .appendTo(divContent)
+                .click(function(evt) {
                     self._doRematch();
                 });
         } else {
-            $(divContent).text(cell.v);
+            $('<span>').text(cell.v).appendTo(divContent);
             
             if (this._dataTableView._showRecon) {
                 var ul = $('<div></div>').addClass("data-table-recon-candidates").appendTo(divContent);
@@ -118,6 +130,8 @@ DataTableCellUI.prototype._render = function() {
             }
         }
     }
+    
+    divContent.appendTo(this._td)
 };
 
 DataTableCellUI.prototype._doRematch = function() {
@@ -270,3 +284,87 @@ DataTableCellUI.prototype._previewCandidateTopic = function(id, elmt) {
     MenuSystem.showMenu(fakeMenu, function(){});
     MenuSystem.positionMenuLeftRight(fakeMenu, $(elmt));
 };
+
+DataTableCellUI.prototype._startEdit = function(elmt) {
+    self = this;
+    
+    var menu = MenuSystem.createMenu().width("300px");
+    menu.html(
+        '<textarea class="data-table-cell-edit-editor" bind="textarea" />' +
+        '<table class="data-table-cell-edit-layout">' +
+            '<tr>' +
+                '<td>' +
+                    '<input type="radio" name="data-table-cell-edit-type" value="text" checked /> text ' +
+                    '<input type="radio" name="data-table-cell-edit-type" value="number" /> number ' +
+                    '<input type="radio" name="data-table-cell-edit-type" value="boolean" /> boolean' +
+                    '<input type="radio" name="data-table-cell-edit-type" value="date" /> date' +
+                '</td>' +
+                '<td width="1%">' +
+                    '<button bind="okButton">&nbsp;&nbsp;OK&nbsp;&nbsp;</button>' +
+                '</td>' +
+            '</tr>' +
+        '</table>'
+    );
+    var elmts = DOM.bind(menu);
+    
+    MenuSystem.showMenu(menu, function(){});
+    MenuSystem.positionMenuLeftRight(menu, $(elmt));
+    
+    var commit = function() {
+        var type = $('input["data-table-cell-edit-type"]:checked')[0].value;
+        var text = elmts.textarea[0].value;
+        var value = text;
+        
+        if (type == "number") {
+            value = parseFloat(text);
+            if (isNaN(value)) {
+                alert("Not a valid number.");
+                return;
+            }
+        } else if (type == "boolean") {
+            value = ("true" == text);
+        } else if (type == "date") {
+            value = Date.parse(text);
+            if (value == null) {
+                alert("Not a valid date.");
+                return;
+            }
+            value = value.toString("yyyy-MM-ddTHH:mm:ssZ");
+        }
+        
+        MenuSystem.dismissAll();
+        
+        var params = {
+            row: self._rowIndex,
+            cell: self._cellIndex,
+            value: value,
+            type: type
+        };
+        
+        Gridworks.postProcess(
+            "edit-one-cell", 
+            params, 
+            null,
+            {},
+            {
+                onDone: function(o) {
+                    self._cell = o.cell;
+                    self._render();
+                }
+            }
+        );
+    };
+    
+    elmts.okButton.click(commit);
+    elmts.textarea
+        .text(this._cell == null || ("v" in this._cell && this._cell.v == null) ? "" : this._cell.v)
+        .keydown(function(evt) {
+            if (evt.keyCode == 13) {
+                commit();
+            } else if (evt.keyCode == 27) {
+                MenuSystem.dismissAll();
+            }
+        })
+        .select()
+        .focus();
+};

src/main/webapp/styles/data-table-view.css

@@ -59,6 +59,25 @@ img.column-header-menu {
     margin: 1em 0;
 }
 
+div.data-table-cell-content {
+    position: relative;
+}
+a.data-table-cell-edit {
+    position: absolute;
+    top: 0px;
+    right: 0px;
+    padding: 2px 4px;
+    font-size: 80%;
+    font-weight: bold;
+    text-decoration: none;
+    background: #aaf;
+    color: #eee;
+    visibility: hidden;
+}
+a.data-table-cell-edit:hover {
+    background: #88f;
+    color: white;
+}
 
 .data-table-error {
     color: red;
@@ -143,3 +162,18 @@ a.data-table-star-on {
 a.data-table-star-off {
     background-position: -17px 0px;
 }
+
+table.data-table-cell-edit-layout {
+    width: 100%;
+}
+table.data-table-cell-edit-layout td {
+    padding: 5px;
+}
+
+textarea.data-table-cell-edit-editor {
+    display: block;
+    width: 92%;
+    padding: 2%;
+    margin: 2%;
+    height: 3em;
+}