Add facet for blank values/records per column

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

@@ -589,6 +589,8 @@
     "core-views/facet-flag": "Facet by flag",
     "core-views/flagged-rows": "Flagged Rows",
     "core-views/blank-rows": "Blank Rows",
+    "core-views/blank-values": "Blank values per column",
+    "core-views/blank-records": "Blank records per column",
     "core-views/non-blank-values": "Non-blank values per column",
     "core-views/non-blank-records": "Non-blank records per column",
     "core-views/edit-rows": "Edit rows",

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

@@ -718,6 +718,8 @@
     "core-dialogs/no-clustering-functions-and-distances": "クラスタリング関数が読み込めませんでした。",
     "core-recon/add-std-srv": "標準サービスを追加",
     "core-views/blank-rows": "空白行",
+    "core-views/blank-values": "カラムの空白値",
+    "core-views/blank-records": "カラムの空白レコード",
     "core-views/non-blank-values": "カラムの非空白値",
     "core-views/non-blank-records": "カラムの非空白レコード",
     "core-index/tags": "タグ:",

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

@@ -598,6 +598,10 @@
     "core-views/no-settings": "此属性没有可用设置.",
     "core-views/extend-not-reconciled": "此操作仅在调和列上可用.",
     "core-views/extend-not-supported": "此和解服务不支持数据扩展. 尝试删除服务并添加它. 如果问题仍然存在，请与服务提供商联系.",
+    "core-views/blank-values": "每列空白值",
+    "core-views/blank-records": "每条记录空白值",
+    "core-views/non-blank-values": "每列非空白值",
+    "core-views/non-blank-records": "每条记录非空白值",
     "core-buttons/cancel": "取消",
     "core-buttons/ok": "  确定  ",
     "core-buttons/import-proj": "导入项目",

main/webapp/modules/core/scripts/views/data-table/data-table-view.js

@@ -668,6 +668,40 @@ DataTableView.prototype._createMenuForAllColumns = function(elmt) {
             );
           }
         },
+        {
+          label: $.i18n('core-views/blank-values'),
+          id: "core/blank-values",
+          click: function() {
+            ui.browsingEngine.addFacet(
+                "list",
+                {
+                  "name" : $.i18n('core-views/blank-values'),
+                  "columnName" : "",
+                  "expression" : "filter(row.columnNames,cn,isBlank(cells[cn].value))"
+                },
+                {
+                  "scroll" : false
+                }
+            );
+          }
+        },
+        {
+          label: $.i18n('core-views/blank-records'),
+          id: "core/blank-records",
+          click: function() {
+            ui.browsingEngine.addFacet(
+                "list",
+                {
+                  "name" : $.i18n('core-views/blank-records'),
+                  "columnName" : "",
+                  "expression" : "filter(row.columnNames,cn,isBlank(if(row.record.fromRowIndex==row.index,row.record.cells[cn].value.join(\"\"),null)))"
+                },
+                {
+                  "scroll" : false
+                }
+            );
+          }
+        },
         {
           label: $.i18n('core-views/non-blank-values'),
           id: "core/non-blank-values",