From 2c86cccaac82e8a4cf3030785c8ac35a6f568453 Mon Sep 17 00:00:00 2001
From: Alexander Pann <apann@itemis.com>
Date: Thu, 23 Nov 2023 07:11:39 +0100
Subject: [PATCH] tables: add support for row actions in the MPS run toolbar

---
 CHANGELOG.md                                  |     1 +
 .../languageModels/editor.mps                 |     4 +
 .../generator/template/main@generator.mps     |    27 +
 .../languageModels/editor.mps                 |    16 +
 .../languageModels/structure.mps              |     5 +
 .../runtime/de.slisson.mps.tables.runtime.msd |     1 +
 .../de/slisson/mps/tables/runtime/cells.mps   | 11514 ++++++++--------
 .../de/slisson/mps/tables/runtime/plugin.mps  |   484 +
 docs/extensions/editor/tables.md              |     3 +-
 9 files changed, 6463 insertions(+), 5592 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1dd3d01ea..95d18e25a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ The project does _not_ follow Semantic Versioning and the changes are documented
 
 - mpsutil.intentions: a new style attribute `intentions-in-read-only-cell` is now available to allow intentions in read-only cells.
 - com.mbeddr.mpsutil.editor.querylist: Default editor cells now support style attributes.
+- de.slisson.mps.tables: tables now support a new property `row UI actions (experimental)`: This property adds actions to the MPS toolbar to add a new row above/below the current row or to delete the current row. These actions only work for simple tables that are based on rows (default: *false*).
 
 ## October 2023
 
diff --git a/code/tables/languages/de.slisson.mps.tables.demolang/languageModels/editor.mps b/code/tables/languages/de.slisson.mps.tables.demolang/languageModels/editor.mps
index 2b030833d..70635270e 100644
--- a/code/tables/languages/de.slisson.mps.tables.demolang/languageModels/editor.mps
+++ b/code/tables/languages/de.slisson.mps.tables.demolang/languageModels/editor.mps
@@ -312,6 +312,7 @@
         <property id="1397920687864864274" name="text" index="2rfbtB" />
       </concept>
       <concept id="1397920687864683158" name="de.slisson.mps.tables.structure.Table" flags="ng" index="2rfBfz">
+        <property id="8824145157122921765" name="rowUIActions" index="3qJzLx" />
         <child id="1397920687864865354" name="cells" index="2rf8GZ" />
         <child id="6097863121587726798" name="gridPostprocessor" index="3nFLZX" />
       </concept>
@@ -976,6 +977,7 @@
     <property role="3GE5qa" value="StaticRow" />
     <ref role="1XX52x" to="nnej:1dAqnm8oBxc" resolve="RequirementsCollection" />
     <node concept="2rfBfz" id="1dAqnm8o6CS" role="2wV5jI">
+      <property role="3qJzLx" value="true" />
       <node concept="2reSaE" id="3vizsF8spxX" role="2rf8GZ">
         <property role="1YXhso" value="Press enter to add the first requirement" />
         <ref role="2reCK$" to="nnej:1dAqnm8oYDx" resolve="requirements" />
@@ -1034,6 +1036,7 @@
         </node>
       </node>
       <node concept="2rfBfz" id="1dAqnm8qrOS" role="3EZMnx">
+        <property role="3qJzLx" value="true" />
         <node concept="2reSaE" id="1dAqnm8I7ag" role="2rf8GZ">
           <ref role="2reCK$" to="nnej:1dAqnm8qrMU" resolve="tests" />
           <node concept="1g0IQG" id="1ERZrWiwuGX" role="1geGt4" />
@@ -2580,6 +2583,7 @@
     <property role="3GE5qa" value="StateMachine2" />
     <ref role="1XX52x" to="nnej:2M7NXgi3amF" resolve="StateMachine2" />
     <node concept="2rfBfz" id="2M7NXgi3aZy" role="2wV5jI">
+      <property role="3qJzLx" value="true" />
       <node concept="2reCLu" id="ovdreqayNp" role="2rf8GZ">
         <node concept="2reCLk" id="ovdreqaBpu" role="2reCL6">
           <node concept="2r731s" id="2M7NXgi3aZB" role="2reCL6">
diff --git a/code/tables/languages/de.slisson.mps.tables/generator/template/main@generator.mps b/code/tables/languages/de.slisson.mps.tables/generator/template/main@generator.mps
index 2ef1b83ae..f00cc81a2 100755
--- a/code/tables/languages/de.slisson.mps.tables/generator/template/main@generator.mps
+++ b/code/tables/languages/de.slisson.mps.tables/generator/template/main@generator.mps
@@ -2277,6 +2277,33 @@
                                   </node>
                                 </node>
                               </node>
+                              <node concept="3clFbF" id="7DPEkiwN2f5" role="3cqZAp">
+                                <node concept="2OqwBi" id="7DPEkiwN2f6" role="3clFbG">
+                                  <node concept="37vLTw" id="7DPEkiwN2f7" role="2Oq$k0">
+                                    <ref role="3cqZAo" node="1dAqnm8$DVo" resolve="editorCell" />
+                                  </node>
+                                  <node concept="liA8E" id="7DPEkiwN2f8" role="2OqNvi">
+                                    <ref role="37wK5l" to="hm5v:7DPEkiwMAV0" resolve="toggleRowUIActions" />
+                                    <node concept="3clFbT" id="7DPEkiwN2f9" role="37wK5m">
+                                      <property role="3clFbU" value="true" />
+                                    </node>
+                                  </node>
+                                </node>
+                                <node concept="1W57fq" id="7DPEkiwN2fa" role="lGtFl">
+                                  <node concept="3IZrLx" id="7DPEkiwN2fb" role="3IZSJc">
+                                    <node concept="3clFbS" id="7DPEkiwN2fc" role="2VODD2">
+                                      <node concept="3clFbF" id="7DPEkiwN2fd" role="3cqZAp">
+                                        <node concept="2OqwBi" id="7DPEkiwN2fe" role="3clFbG">
+                                          <node concept="30H73N" id="7DPEkiwN2ff" role="2Oq$k0" />
+                                          <node concept="3TrcHB" id="7DPEkiwN2fg" role="2OqNvi">
+                                            <ref role="3TsBF5" to="bnk3:7DPEkiwMTk_" resolve="rowUIActions" />
+                                          </node>
+                                        </node>
+                                      </node>
+                                    </node>
+                                  </node>
+                                </node>
+                              </node>
                               <node concept="3clFbH" id="m_yL2MJokU" role="3cqZAp" />
                               <node concept="3clFbF" id="63X$F8P1Lj6" role="3cqZAp">
                                 <node concept="2OqwBi" id="63X$F8P1LMw" role="3clFbG">
diff --git a/code/tables/languages/de.slisson.mps.tables/languageModels/editor.mps b/code/tables/languages/de.slisson.mps.tables/languageModels/editor.mps
index b463ba561..8f3b347b0 100644
--- a/code/tables/languages/de.slisson.mps.tables/languageModels/editor.mps
+++ b/code/tables/languages/de.slisson.mps.tables/languageModels/editor.mps
@@ -619,6 +619,22 @@
           </node>
           <node concept="2iRfu4" id="m_yL2MI1Ty" role="2iSdaV" />
         </node>
+        <node concept="3EZMnI" id="7DPEkiwMUol" role="3EZMnx">
+          <node concept="VPM3Z" id="7DPEkiwMUom" role="3F10Kt">
+            <property role="VOm3f" value="false" />
+          </node>
+          <node concept="VPXOz" id="7DPEkiwMUon" role="3F10Kt">
+            <property role="VOm3f" value="true" />
+          </node>
+          <node concept="3F0ifn" id="7DPEkiwMUoo" role="3EZMnx">
+            <property role="3F0ifm" value="row UI actions (experimental)" />
+            <ref role="1k5W1q" to="tpc5:hF4H1c8" resolve="property" />
+          </node>
+          <node concept="3F0A7n" id="7DPEkiwMUop" role="3EZMnx">
+            <ref role="1NtTu8" to="bnk3:7DPEkiwMTk_" resolve="rowUIActions" />
+          </node>
+          <node concept="2iRfu4" id="7DPEkiwMUoq" role="2iSdaV" />
+        </node>
         <node concept="VPM3Z" id="hEU$PEH" role="3F10Kt">
           <property role="VOm3f" value="false" />
         </node>
diff --git a/code/tables/languages/de.slisson.mps.tables/languageModels/structure.mps b/code/tables/languages/de.slisson.mps.tables/languageModels/structure.mps
index 6d459e6b9..e3d788298 100644
--- a/code/tables/languages/de.slisson.mps.tables/languageModels/structure.mps
+++ b/code/tables/languages/de.slisson.mps.tables/languageModels/structure.mps
@@ -105,6 +105,11 @@
       <property role="TrG5h" value="disableRightRowEndCells" />
       <ref role="AX2Wp" to="tpck:fKAQMTB" resolve="boolean" />
     </node>
+    <node concept="1TJgyi" id="7DPEkiwMTk_" role="1TKVEl">
+      <property role="IQ2nx" value="8824145157122921765" />
+      <property role="TrG5h" value="rowUIActions" />
+      <ref role="AX2Wp" to="tpck:fKAQMTB" resolve="boolean" />
+    </node>
     <node concept="PrWs8" id="5X6T0_NE_dS" role="PzmwI">
       <ref role="PrY4T" node="4UkcdCu_Hbr" resolve="IStylable" />
     </node>
diff --git a/code/tables/languages/de.slisson.mps.tables/runtime/de.slisson.mps.tables.runtime.msd b/code/tables/languages/de.slisson.mps.tables/runtime/de.slisson.mps.tables.runtime.msd
index ad4c31925..07499e1ad 100755
--- a/code/tables/languages/de.slisson.mps.tables/runtime/de.slisson.mps.tables.runtime.msd
+++ b/code/tables/languages/de.slisson.mps.tables/runtime/de.slisson.mps.tables.runtime.msd
@@ -36,6 +36,7 @@
     <language slang="l:83888646-71ce-4f1c-9c53-c54016f6ad4f:jetbrains.mps.baseLanguage.collections" version="1" />
     <language slang="l:5dc5fc0d-37ef-4782-8192-8b5ce1f69f80:jetbrains.mps.baseLanguage.extensionMethods" version="0" />
     <language slang="l:f2801650-65d5-424e-bb1b-463a8781b786:jetbrains.mps.baseLanguage.javadoc" version="2" />
+    <language slang="l:c7d5b9dd-a05f-4be2-bc73-f2e16994cc67:jetbrains.mps.baseLanguage.lightweightdsl" version="1" />
     <language slang="l:760a0a8c-eabb-4521-8bfd-65db761a9ba3:jetbrains.mps.baseLanguage.logging" version="0" />
     <language slang="l:a247e09e-2435-45ba-b8d2-07e93feba96a:jetbrains.mps.baseLanguage.tuples" version="0" />
     <language slang="l:f61473f9-130f-42f6-b98d-6c438812c2f6:jetbrains.mps.baseLanguage.unitTest" version="1" />
diff --git a/code/tables/languages/de.slisson.mps.tables/runtime/models/de/slisson/mps/tables/runtime/cells.mps b/code/tables/languages/de.slisson.mps.tables/runtime/models/de/slisson/mps/tables/runtime/cells.mps
index 2780b4d3e..0d17a1478 100644
--- a/code/tables/languages/de.slisson.mps.tables/runtime/models/de/slisson/mps/tables/runtime/cells.mps
+++ b/code/tables/languages/de.slisson.mps.tables/runtime/models/de/slisson/mps/tables/runtime/cells.mps
@@ -12,6 +12,7 @@
     <use id="5dc5fc0d-37ef-4782-8192-8b5ce1f69f80" name="jetbrains.mps.baseLanguage.extensionMethods" version="0" />
     <use id="63650c59-16c8-498a-99c8-005c7ee9515d" name="jetbrains.mps.lang.access" version="0" />
     <use id="f2801650-65d5-424e-bb1b-463a8781b786" name="jetbrains.mps.baseLanguage.javadoc" version="2" />
+    <use id="760a0a8c-eabb-4521-8bfd-65db761a9ba3" name="jetbrains.mps.baseLanguage.logging" version="0" />
   </languages>
   <imports>
     <import index="exr9" ref="1ed103c3-3aa6-49b7-9c21-6765ee11f224/java:jetbrains.mps.nodeEditor(MPS.Editor/)" />
@@ -127,9 +128,6 @@
       <concept id="1154032098014" name="jetbrains.mps.baseLanguage.structure.AbstractLoopStatement" flags="nn" index="2LF5Ji">
         <child id="1154032183016" name="body" index="2LFqv$" />
       </concept>
-      <concept id="1177666668936" name="jetbrains.mps.baseLanguage.structure.DoWhileStatement" flags="nn" index="MpOyq">
-        <child id="1177666688034" name="condition" index="MpTkK" />
-      </concept>
       <concept id="1197027756228" name="jetbrains.mps.baseLanguage.structure.DotExpression" flags="nn" index="2OqwBi">
         <child id="1197027771414" name="operand" index="2Oq$k0" />
         <child id="1197027833540" name="operation" index="2OqNvi" />
@@ -145,9 +143,7 @@
         <child id="1145553007750" name="creator" index="2ShVmc" />
       </concept>
       <concept id="1070462154015" name="jetbrains.mps.baseLanguage.structure.StaticFieldDeclaration" flags="ig" index="Wx3nA" />
-      <concept id="1070475354124" name="jetbrains.mps.baseLanguage.structure.ThisExpression" flags="nn" index="Xjq3P">
-        <reference id="1182955020723" name="classConcept" index="1HBi2w" />
-      </concept>
+      <concept id="1070475354124" name="jetbrains.mps.baseLanguage.structure.ThisExpression" flags="nn" index="Xjq3P" />
       <concept id="1070475587102" name="jetbrains.mps.baseLanguage.structure.SuperConstructorInvocation" flags="nn" index="XkiVB" />
       <concept id="1070475926800" name="jetbrains.mps.baseLanguage.structure.StringLiteral" flags="nn" index="Xl_RD">
         <property id="1070475926801" name="value" index="Xl_RC" />
@@ -430,6 +426,7 @@
       <concept id="1143224127713" name="jetbrains.mps.lang.smodel.structure.Node_InsertPrevSiblingOperation" flags="nn" index="HtX7F">
         <child id="1143224127716" name="insertedNode" index="HtX7I" />
       </concept>
+      <concept id="1181949435690" name="jetbrains.mps.lang.smodel.structure.Concept_NewInstance" flags="nn" index="LFhST" />
       <concept id="7504436213544206332" name="jetbrains.mps.lang.smodel.structure.Node_ContainingLinkOperation" flags="nn" index="2NL2c5" />
       <concept id="1966870290088668512" name="jetbrains.mps.lang.smodel.structure.Enum_MemberLiteral" flags="ng" index="2ViDtV">
         <reference id="1966870290088668516" name="memberDeclaration" index="2ViDtZ" />
@@ -1708,6 +1705,12 @@
       <node concept="10P_77" id="m_yL2MIozB" role="1tU5fm" />
       <node concept="3clFbT" id="m_yL2MIozC" role="33vP2m" />
     </node>
+    <node concept="312cEg" id="7DPEkiwMnAo" role="jymVt">
+      <property role="TrG5h" value="myRowUIActions" />
+      <node concept="3Tm6S6" id="7DPEkiwMih7" role="1B3o_S" />
+      <node concept="10P_77" id="7DPEkiwMlHl" role="1tU5fm" />
+      <node concept="3clFbT" id="7DPEkiwMtrI" role="33vP2m" />
+    </node>
     <node concept="2tJIrI" id="1cFYsK3ojJM" role="jymVt" />
     <node concept="3clFbW" id="1dAqnm8$zKt" role="jymVt">
       <node concept="3cqZAl" id="1dAqnm8$zKu" role="3clF45" />
@@ -1858,6 +1861,41 @@
         </node>
       </node>
     </node>
+    <node concept="2tJIrI" id="7DPEkiwMu6Z" role="jymVt" />
+    <node concept="3clFb_" id="7DPEkiwMAV0" role="jymVt">
+      <property role="TrG5h" value="toggleRowUIActions" />
+      <node concept="3clFbS" id="7DPEkiwMAV3" role="3clF47">
+        <node concept="3clFbF" id="7DPEkiwMKfT" role="3cqZAp">
+          <node concept="37vLTI" id="7DPEkiwMNr8" role="3clFbG">
+            <node concept="37vLTw" id="7DPEkiwMQzi" role="37vLTx">
+              <ref role="3cqZAo" node="7DPEkiwMEG5" resolve="flag" />
+            </node>
+            <node concept="37vLTw" id="7DPEkiwMKfS" role="37vLTJ">
+              <ref role="3cqZAo" node="7DPEkiwMnAo" resolve="myRowUIActions" />
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="3Tm1VV" id="7DPEkiwMxWX" role="1B3o_S" />
+      <node concept="3cqZAl" id="7DPEkiwMyEN" role="3clF45" />
+      <node concept="37vLTG" id="7DPEkiwMEG5" role="3clF46">
+        <property role="TrG5h" value="flag" />
+        <node concept="10P_77" id="7DPEkiwMEG4" role="1tU5fm" />
+      </node>
+    </node>
+    <node concept="2tJIrI" id="7DPEkiwNcp9" role="jymVt" />
+    <node concept="3clFb_" id="7DPEkiwNldl" role="jymVt">
+      <property role="TrG5h" value="rowUIActionsAllowed" />
+      <node concept="3clFbS" id="7DPEkiwNldo" role="3clF47">
+        <node concept="3clFbF" id="7DPEkiwNplT" role="3cqZAp">
+          <node concept="37vLTw" id="7DPEkiwNplS" role="3clFbG">
+            <ref role="3cqZAo" node="7DPEkiwMnAo" resolve="myRowUIActions" />
+          </node>
+        </node>
+      </node>
+      <node concept="10P_77" id="7DPEkiwNhlT" role="3clF45" />
+      <node concept="3Tm1VV" id="7DPEkiwNs1U" role="1B3o_S" />
+    </node>
     <node concept="2tJIrI" id="1MCPN0ijS0A" role="jymVt" />
     <node concept="3clFb_" id="1MCPN0ikrXv" role="jymVt">
       <property role="TrG5h" value="init" />
@@ -3901,6 +3939,7 @@
       <node concept="3cqZAl" id="by82KpOZtR" role="3clF45" />
       <node concept="3Tm1VV" id="by82KpOZtS" role="1B3o_S" />
     </node>
+    <node concept="2tJIrI" id="7DPEkiwLZNn" role="jymVt" />
     <node concept="3Tm1VV" id="1dAqnm8$zBo" role="1B3o_S" />
   </node>
   <node concept="312cEu" id="6OOkb_bf0Q2">
@@ -14599,6 +14638,263 @@
       <node concept="3Tqbb2" id="36rxxZPL_i" role="3clF45" />
       <node concept="3Tm1VV" id="36rxxZZsP2" role="1B3o_S" />
     </node>
+    <node concept="2tJIrI" id="7IUya7c5qMx" role="jymVt" />
+    <node concept="2YIFZL" id="7IUya7c4DQS" role="jymVt">
+      <property role="TrG5h" value="getNodeOfRowNode" />
+      <node concept="3clFbS" id="7IUya7c4DQU" role="3clF47">
+        <node concept="3clFbJ" id="7IUya7c4DR3" role="3cqZAp">
+          <node concept="3clFbS" id="7IUya7c4DR4" role="3clFbx">
+            <node concept="3cpWs6" id="7IUya7c4DR5" role="3cqZAp">
+              <node concept="10Nm6u" id="7IUya7c4DR6" role="3cqZAk" />
+            </node>
+          </node>
+          <node concept="3clFbC" id="7IUya7c4DR7" role="3clFbw">
+            <node concept="10Nm6u" id="7IUya7c4DR8" role="3uHU7w" />
+            <node concept="37vLTw" id="7IUya7c4DR9" role="3uHU7B">
+              <ref role="3cqZAo" node="7IUya7c4G4y" resolve="gridCell" />
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="7IUya7c4DRa" role="3cqZAp">
+          <node concept="3cpWsn" id="7IUya7c4DRb" role="3cpWs9">
+            <property role="TrG5h" value="grid" />
+            <node concept="3uibUv" id="7IUya7c4DRc" role="1tU5fm">
+              <ref role="3uigEE" to="6dpw:7C0FR5Aonzr" resolve="Grid" />
+            </node>
+            <node concept="2EnYce" id="7IUya7c4DRd" role="33vP2m">
+              <node concept="2OqwBi" id="7IUya7c4DRe" role="2Oq$k0">
+                <node concept="37vLTw" id="7IUya7c4DRf" role="2Oq$k0">
+                  <ref role="3cqZAo" node="7IUya7c4G4y" resolve="gridCell" />
+                </node>
+                <node concept="liA8E" id="7IUya7c4DRg" role="2OqNvi">
+                  <ref role="37wK5l" node="4gCFRNzc0za" resolve="getTable" />
+                </node>
+              </node>
+              <node concept="liA8E" id="7IUya7c4DRh" role="2OqNvi">
+                <ref role="37wK5l" node="7Nzu1McBs8f" resolve="getGrid" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbJ" id="7IUya7c4DRi" role="3cqZAp">
+          <node concept="3clFbS" id="7IUya7c4DRj" role="3clFbx">
+            <node concept="3cpWs6" id="7IUya7c4DRk" role="3cqZAp">
+              <node concept="10Nm6u" id="7IUya7c4DRl" role="3cqZAk" />
+            </node>
+          </node>
+          <node concept="3clFbC" id="7IUya7c4DRm" role="3clFbw">
+            <node concept="10Nm6u" id="7IUya7c4DRn" role="3uHU7w" />
+            <node concept="37vLTw" id="7IUya7c4DRo" role="3uHU7B">
+              <ref role="3cqZAo" node="7IUya7c4DRb" resolve="grid" />
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="7IUya7c4DRp" role="3cqZAp">
+          <node concept="3cpWsn" id="7IUya7c4DRq" role="3cpWs9">
+            <property role="TrG5h" value="myPosition" />
+            <node concept="3uibUv" id="7IUya7c4DRr" role="1tU5fm">
+              <ref role="3uigEE" to="sse1:20OswHE0h3P" resolve="GridPosition" />
+            </node>
+            <node concept="2OqwBi" id="7IUya7c4DRs" role="33vP2m">
+              <node concept="37vLTw" id="7IUya7c4DRt" role="2Oq$k0">
+                <ref role="3cqZAo" node="7IUya7c4G4y" resolve="gridCell" />
+              </node>
+              <node concept="liA8E" id="7IUya7c4DRu" role="2OqNvi">
+                <ref role="37wK5l" node="4gCFRNz3a7W" resolve="getGridPosition" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="7IUya7c4DRz" role="3cqZAp" />
+        <node concept="3cpWs8" id="7IUya7c4DR$" role="3cqZAp">
+          <node concept="3cpWsn" id="7IUya7c4DR_" role="3cpWs9">
+            <property role="TrG5h" value="nodesInRow" />
+            <node concept="2hMVRd" id="7IUya7c4DRA" role="1tU5fm">
+              <node concept="3Tqbb2" id="7IUya7c4DRB" role="2hN53Y" />
+            </node>
+            <node concept="2ShNRf" id="7IUya7c4DRC" role="33vP2m">
+              <node concept="2i4dXS" id="7IUya7c4DRD" role="2ShVmc">
+                <node concept="3Tqbb2" id="7IUya7c4DRE" role="HW$YZ" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="7IUya7c4DRF" role="3cqZAp" />
+        <node concept="1Dw8fO" id="7IUya7c4DRG" role="3cqZAp">
+          <node concept="3clFbS" id="7IUya7c4DRH" role="2LFqv$">
+            <node concept="3cpWs8" id="7IUya7c4DRI" role="3cqZAp">
+              <node concept="3cpWsn" id="7IUya7c4DRJ" role="3cpWs9">
+                <property role="TrG5h" value="currentCell" />
+                <node concept="3uibUv" id="7IUya7c4DRK" role="1tU5fm">
+                  <ref role="3uigEE" node="20OswHE0eA6" resolve="EditorCell_GridCell" />
+                </node>
+                <node concept="10QFUN" id="7IUya7c4DRL" role="33vP2m">
+                  <node concept="3uibUv" id="7IUya7c4DRM" role="10QFUM">
+                    <ref role="3uigEE" node="20OswHE0eA6" resolve="EditorCell_GridCell" />
+                  </node>
+                  <node concept="2EnYce" id="7IUya7c4DRN" role="10QFUP">
+                    <node concept="0kSF2" id="7IUya7c4DRO" role="2Oq$k0">
+                      <node concept="3uibUv" id="7IUya7c4DRP" role="0kSFW">
+                        <ref role="3uigEE" to="6dpw:RywcYwuxY_" resolve="EditorCellGridLeaf" />
+                      </node>
+                      <node concept="2OqwBi" id="7IUya7c4DRQ" role="0kSFX">
+                        <node concept="37vLTw" id="7IUya7c4DRR" role="2Oq$k0">
+                          <ref role="3cqZAo" node="7IUya7c4DRb" resolve="grid" />
+                        </node>
+                        <node concept="liA8E" id="7IUya7c4DRS" role="2OqNvi">
+                          <ref role="37wK5l" to="6dpw:4UkcdCtMnDB" resolve="getElement" />
+                          <node concept="37vLTw" id="7IUya7c4DRT" role="37wK5m">
+                            <ref role="3cqZAo" node="7IUya7c4DSd" resolve="x" />
+                          </node>
+                          <node concept="2OqwBi" id="7IUya7c4DRU" role="37wK5m">
+                            <node concept="37vLTw" id="7IUya7c4DRV" role="2Oq$k0">
+                              <ref role="3cqZAo" node="7IUya7c4DRq" resolve="myPosition" />
+                            </node>
+                            <node concept="liA8E" id="7IUya7c4DRW" role="2OqNvi">
+                              <ref role="37wK5l" to="sse1:GrM9mu4M1z" resolve="getY" />
+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                    <node concept="liA8E" id="7IUya7c4DRX" role="2OqNvi">
+                      <ref role="37wK5l" to="6dpw:RywcYwuxZ4" resolve="getEditorCell" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3clFbJ" id="7IUya7c4DRY" role="3cqZAp">
+              <node concept="3clFbS" id="7IUya7c4DRZ" role="3clFbx">
+                <node concept="3N13vt" id="7IUya7c4DS0" role="3cqZAp" />
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+              <node concept="3clFbC" id="7IUya7c4DS1" role="3clFbw">
+                <node concept="10Nm6u" id="7IUya7c4DS2" role="3uHU7w" />
+                <node concept="37vLTw" id="7IUya7c4DS3" role="3uHU7B">
+                  <ref role="3cqZAo" node="7IUya7c4DRJ" resolve="currentCell" />
+                </node>
+              </node>
+            </node>
+            <node concept="3clFbF" id="7IUya7c4DS4" role="3cqZAp">
+              <node concept="2OqwBi" id="7IUya7c4DS5" role="3clFbG">
+                <node concept="37vLTw" id="7IUya7c4DS6" role="2Oq$k0">
+                  <ref role="3cqZAo" node="7IUya7c4DR_" resolve="nodesInRow" />
+                </node>
+                <node concept="TSZUe" id="7IUya7c4DS7" role="2OqNvi">
+                  <node concept="2OqwBi" id="7IUya7c4DS8" role="25WWJ7">
+                    <node concept="2OqwBi" id="7IUya7c4DS9" role="2Oq$k0">
+                      <node concept="37vLTw" id="7IUya7c4DSa" role="2Oq$k0">
+                        <ref role="3cqZAo" node="7IUya7c4DRJ" resolve="currentCell" />
+                      </node>
+                      <node concept="liA8E" id="7IUya7c4DSb" role="2OqNvi">
+                        <ref role="37wK5l" node="20OswHE1rOJ" resolve="getWrappedCell" />
+                      </node>
+                    </node>
+                    <node concept="liA8E" id="7IUya7c4DSc" role="2OqNvi">
+                      <ref role="37wK5l" to="f4zo:~EditorCell.getSNode()" resolve="getSNode" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="3cpWsn" id="7IUya7c4DSd" role="1Duv9x">
+            <property role="TrG5h" value="x" />
+            <node concept="10Oyi0" id="7IUya7c4DSe" role="1tU5fm" />
+            <node concept="3cmrfG" id="7IUya7c4DSf" role="33vP2m">
+              <property role="3cmrfH" value="0" />
+            </node>
+          </node>
+          <node concept="3eOVzh" id="7IUya7c4DSg" role="1Dwp0S">
+            <node concept="2OqwBi" id="7IUya7c4DSh" role="3uHU7w">
+              <node concept="37vLTw" id="7IUya7c4DSi" role="2Oq$k0">
+                <ref role="3cqZAo" node="7IUya7c4DRb" resolve="grid" />
+              </node>
+              <node concept="liA8E" id="7IUya7c4DSj" role="2OqNvi">
+                <ref role="37wK5l" to="6dpw:6tOcB$JGRTs" resolve="getSizeX" />
+              </node>
+            </node>
+            <node concept="37vLTw" id="7IUya7c4DSk" role="3uHU7B">
+              <ref role="3cqZAo" node="7IUya7c4DSd" resolve="x" />
+            </node>
+          </node>
+          <node concept="3uNrnE" id="7IUya7c4DSl" role="1Dwrff">
+            <node concept="37vLTw" id="7IUya7c4DSm" role="2$L3a6">
+              <ref role="3cqZAo" node="7IUya7c4DSd" resolve="x" />
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="7IUya7c4DSn" role="3cqZAp">
+          <node concept="3cpWsn" id="7IUya7c4DSo" role="3cpWs9">
+            <property role="TrG5h" value="nodeOfTable" />
+            <node concept="3Tqbb2" id="7IUya7c4DSp" role="1tU5fm" />
+            <node concept="2EnYce" id="7IUya7c4DSq" role="33vP2m">
+              <node concept="2OqwBi" id="7IUya7c4DSr" role="2Oq$k0">
+                <node concept="37vLTw" id="7IUya7c4DSs" role="2Oq$k0">
+                  <ref role="3cqZAo" node="7IUya7c4G4y" resolve="gridCell" />
+                </node>
+                <node concept="liA8E" id="7IUya7c4DSt" role="2OqNvi">
+                  <ref role="37wK5l" node="4gCFRNzc0za" resolve="getTable" />
+                </node>
+              </node>
+              <node concept="liA8E" id="7IUya7c4DSu" role="2OqNvi">
+                <ref role="37wK5l" to="g51k:~EditorCell_Basic.getSNode()" resolve="getSNode" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbF" id="7IUya7c4DSv" role="3cqZAp">
+          <node concept="2OqwBi" id="7IUya7c4DSw" role="3clFbG">
+            <node concept="37vLTw" id="7IUya7c4DSx" role="2Oq$k0">
+              <ref role="3cqZAo" node="7IUya7c4DR_" resolve="nodesInRow" />
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+            <node concept="3dhRuq" id="7IUya7c4DSy" role="2OqNvi">
+              <node concept="37vLTw" id="7IUya7c4DSz" role="25WWJ7">
+                <ref role="3cqZAo" node="7IUya7c4DSo" resolve="nodeOfTable" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs8" id="7IUya7c4DS$" role="3cqZAp">
+          <node concept="3cpWsn" id="7IUya7c4DS_" role="3cpWs9">
+            <property role="TrG5h" value="lca" />
+            <node concept="3Tqbb2" id="7IUya7c4DSA" role="1tU5fm" />
+            <node concept="2YIFZM" id="7IUya7c5jiL" role="33vP2m">
+              <ref role="1Pybhc" node="4gCFRNz2KOM" resolve="TableTraversalUtil" />
+              <ref role="37wK5l" node="7IUya7c4Udx" resolve="getLowestCommonAncestor" />
+              <node concept="37vLTw" id="7IUya7c5kTc" role="37wK5m">
+                <ref role="3cqZAo" node="7IUya7c4DR_" resolve="nodesInRow" />
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3cpWs6" id="7IUya7c4DSD" role="3cqZAp">
+          <node concept="3K4zz7" id="7IUya7c4DSE" role="3cqZAk">
+            <node concept="37vLTw" id="7IUya7c4DSG" role="3K4GZi">
+              <ref role="3cqZAo" node="7IUya7c4DS_" resolve="lca" />
+            </node>
+            <node concept="3clFbC" id="7IUya7c4DSH" role="3K4Cdx">
+              <node concept="37vLTw" id="7IUya7c4DSI" role="3uHU7w">
+                <ref role="3cqZAo" node="7IUya7c4DSo" resolve="nodeOfTable" />
+              </node>
+              <node concept="37vLTw" id="7IUya7c4DSJ" role="3uHU7B">
+                <ref role="3cqZAo" node="7IUya7c4DS_" resolve="lca" />
+              </node>
+            </node>
+            <node concept="10Nm6u" id="7IUya7c4DSF" role="3K4E3e" />
+          </node>
+        </node>
+      </node>
+      <node concept="3Tqbb2" id="7IUya7c4DSL" role="3clF45" />
+      <node concept="3Tm1VV" id="7IUya7c4DSK" role="1B3o_S" />
+      <node concept="37vLTG" id="7IUya7c4G4y" role="3clF46">
+        <property role="TrG5h" value="gridCell" />
+        <node concept="3uibUv" id="7IUya7c4G4x" role="1tU5fm">
+          <ref role="3uigEE" node="20OswHE0eA6" resolve="EditorCell_GridCell" />
+        </node>
+      </node>
+    </node>
+    <node concept="2tJIrI" id="7IUya7c5r4y" role="jymVt" />
     <node concept="2tJIrI" id="36rxxZZeEB" role="jymVt" />
     <node concept="2YIFZL" id="1zEStSS9KTS" role="jymVt">
       <property role="DiZV1" value="false" />
@@ -22579,6 +22875,108 @@
         </node>
       </node>
     </node>
+    <node concept="2tJIrI" id="7IUya7cebhs" role="jymVt" />
+    <node concept="Wx3nA" id="12WeXpXuQQi" role="jymVt">
+      <property role="TrG5h" value="GRID_CELL" />
+      <property role="3TUv4t" value="false" />
+      <node concept="3Tm1VV" id="7IUya7cewAQ" role="1B3o_S" />
+      <node concept="3uibUv" id="12WeXpXuQqs" role="1tU5fm">
+        <ref role="3uigEE" to="y49u:~Condition" resolve="Condition" />
+        <node concept="3uibUv" id="12WeXpXuQHs" role="11_B2D">
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+      <node concept="2ShNRf" id="12WeXpXuRll" role="33vP2m">
+        <node concept="YeOm9" id="12WeXpXuSmP" role="2ShVmc">
+          <node concept="1Y3b0j" id="12WeXpXuSmS" role="YeSDq">
+            <property role="2bfB8j" value="true" />
+            <ref role="1Y3XeK" to="y49u:~Condition" resolve="Condition" />
+            <ref role="37wK5l" to="wyt6:~Object.&lt;init&gt;()" resolve="Object" />
+            <node concept="3Tm1VV" id="12WeXpXuSmT" role="1B3o_S" />
+            <node concept="3clFb_" id="12WeXpXuSmU" role="jymVt">
+              <property role="1EzhhJ" value="false" />
+              <property role="TrG5h" value="met" />
+              <property role="DiZV1" value="false" />
+              <node concept="3Tm1VV" id="12WeXpXuSmV" role="1B3o_S" />
+              <node concept="10P_77" id="12WeXpXuSmX" role="3clF45" />
+              <node concept="37vLTG" id="12WeXpXuSmY" role="3clF46">
+                <property role="TrG5h" value="cell" />
+                <node concept="3uibUv" id="12WeXpXuTGV" role="1tU5fm">
+                  <ref role="3uigEE" to="f4zo:~EditorCell" resolve="EditorCell" />
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+              </node>
+              <node concept="3clFbS" id="12WeXpXuSn0" role="3clF47">
+                <node concept="3clFbF" id="12WeXpXuTYe" role="3cqZAp">
+                  <node concept="2ZW3vV" id="12WeXpXuU4l" role="3clFbG">
+                    <node concept="3uibUv" id="12WeXpXuU6K" role="2ZW6by">
+                      <ref role="3uigEE" node="20OswHE0eA6" resolve="EditorCell_GridCell" />
+                    </node>
+                    <node concept="37vLTw" id="12WeXpXuTYd" role="2ZW6bz">
+                      <ref role="3cqZAo" node="12WeXpXuSmY" resolve="cell" />
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+              </node>
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+            <node concept="3uibUv" id="12WeXpXuTmV" role="2Ghqu4">
+              <ref role="3uigEE" to="f4zo:~EditorCell" resolve="EditorCell" />
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+          </node>
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+    <node concept="2tJIrI" id="7IUya7cebDm" role="jymVt" />
+    <node concept="Wx3nA" id="7DPEkiwJO$g" role="jymVt">
+      <property role="TrG5h" value="TABLE_EDITOR" />
+      <property role="3TUv4t" value="false" />
+      <node concept="3Tm1VV" id="7DPEkiwJO$h" role="1B3o_S" />
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+            <ref role="1Y3XeK" to="y49u:~Condition" resolve="Condition" />
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+              <property role="TrG5h" value="met" />
+              <property role="DiZV1" value="false" />
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+                <node concept="3uibUv" id="7DPEkiwJO$s" role="1tU5fm">
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+                    <node concept="3uibUv" id="7DPEkiwJO$w" role="2ZW6by">
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+                    <node concept="37vLTw" id="7DPEkiwJO$x" role="2ZW6bz">
+                      <ref role="3cqZAo" node="7DPEkiwJO$r" resolve="cell" />
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+            <node concept="3uibUv" id="7DPEkiwJO$y" role="2Ghqu4">
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     <node concept="3clFbW" id="4gCFRNz2KS4" role="jymVt">
       <node concept="3cqZAl" id="4gCFRNz2KS6" role="3clF45" />
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@@ -26212,6 +26610,131 @@
       </node>
     </node>
     <node concept="2tJIrI" id="7cmJr8BA4tA" role="jymVt" />
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+            <property role="TrG5h" value="candidate" />
+            <node concept="3Tqbb2" id="7IUya7c4UdF" role="1tU5fm" />
+            <node concept="2OqwBi" id="7IUya7c4UdG" role="33vP2m">
+              <node concept="37vLTw" id="7IUya7c4UdH" role="2Oq$k0">
+                <ref role="3cqZAo" node="7IUya7c4Udz" resolve="descendants" />
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+              <node concept="1uHKPH" id="7IUya7c4UdI" role="2OqNvi" />
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+              <node concept="3cpWsn" id="7IUya7c4UdM" role="3cpWs9">
+                <property role="TrG5h" value="ancestorOfAll" />
+                <node concept="10P_77" id="7IUya7c4UdN" role="1tU5fm" />
+                <node concept="3clFbT" id="7IUya7c4UdO" role="33vP2m">
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+              <node concept="2GrKxI" id="7IUya7c4UdQ" role="2Gsz3X">
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+                    <node concept="3zACq4" id="7IUya7c4UdZ" role="3cqZAp" />
+                  </node>
+                  <node concept="1Wc70l" id="7IUya7c4Ue0" role="3clFbw">
+                    <node concept="3y3z36" id="7IUya7c4Ue1" role="3uHU7B">
+                      <node concept="2GrUjf" id="7IUya7c4Ue2" role="3uHU7w">
+                        <ref role="2Gs0qQ" node="7IUya7c4UdQ" resolve="descendant" />
+                      </node>
+                      <node concept="37vLTw" id="7IUya7c4Ue3" role="3uHU7B">
+                        <ref role="3cqZAo" node="7IUya7c4UdE" resolve="candidate" />
+                      </node>
+                    </node>
+                    <node concept="3fqX7Q" id="7IUya7c4Ue4" role="3uHU7w">
+                      <node concept="2OqwBi" id="7IUya7c4Ue5" role="3fr31v">
+                        <node concept="2OqwBi" id="7IUya7c4Ue6" role="2Oq$k0">
+                          <node concept="2GrUjf" id="7IUya7c4Ue7" role="2Oq$k0">
+                            <ref role="2Gs0qQ" node="7IUya7c4UdQ" resolve="descendant" />
+                          </node>
+                          <node concept="z$bX8" id="7IUya7c4Ue8" role="2OqNvi" />
+                        </node>
+                        <node concept="3JPx81" id="7IUya7c4Ue9" role="2OqNvi">
+                          <node concept="37vLTw" id="7IUya7c4Uea" role="25WWJ7">
+                            <ref role="3cqZAo" node="7IUya7c4UdE" resolve="candidate" />
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3clFbJ" id="7IUya7c4Ueb" role="3cqZAp">
+              <node concept="3clFbS" id="7IUya7c4Uec" role="3clFbx">
+                <node concept="3cpWs6" id="7IUya7c4Ued" role="3cqZAp">
+                  <node concept="37vLTw" id="7IUya7c4Uee" role="3cqZAk">
+                    <ref role="3cqZAo" node="7IUya7c4UdE" resolve="candidate" />
+                  </node>
+                </node>
+              </node>
+              <node concept="37vLTw" id="7IUya7c4Uef" role="3clFbw">
+                <ref role="3cqZAo" node="7IUya7c4UdM" resolve="ancestorOfAll" />
+              </node>
+            </node>
+            <node concept="3clFbF" id="7IUya7c4Ueg" role="3cqZAp">
+              <node concept="37vLTI" id="7IUya7c4Ueh" role="3clFbG">
+                <node concept="2OqwBi" id="7IUya7c4Uei" role="37vLTx">
+                  <node concept="37vLTw" id="7IUya7c4Uej" role="2Oq$k0">
+                    <ref role="3cqZAo" node="7IUya7c4UdE" resolve="candidate" />
+                  </node>
+                  <node concept="1mfA1w" id="7IUya7c4Uek" role="2OqNvi" />
+                </node>
+                <node concept="37vLTw" id="7IUya7c4Uel" role="37vLTJ">
+                  <ref role="3cqZAo" node="7IUya7c4UdE" resolve="candidate" />
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="3y3z36" id="7IUya7c4Uem" role="2$JKZa">
+            <node concept="10Nm6u" id="7IUya7c4Uen" role="3uHU7w" />
+            <node concept="37vLTw" id="7IUya7c4Ueo" role="3uHU7B">
+              <ref role="3cqZAo" node="7IUya7c4UdE" resolve="candidate" />
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="7IUya7c4Uep" role="3cqZAp" />
+        <node concept="3cpWs6" id="7IUya7c4Ueq" role="3cqZAp">
+          <node concept="10Nm6u" id="7IUya7c4Uer" role="3cqZAk" />
+        </node>
+      </node>
+      <node concept="3Tqbb2" id="7IUya7c4UdA" role="3clF45" />
+      <node concept="37vLTG" id="7IUya7c4Udz" role="3clF46">
+        <property role="TrG5h" value="descendants" />
+        <node concept="3vKaQO" id="7IUya7c4Ud$" role="1tU5fm">
+          <node concept="3Tqbb2" id="7IUya7c4Ud_" role="3O5elw" />
+        </node>
+      </node>
+      <node concept="3Tm1VV" id="7IUya7c4UBH" role="1B3o_S" />
+    </node>
+    <node concept="2tJIrI" id="7IUya7c59kL" role="jymVt" />
+    <node concept="2tJIrI" id="7IUya7c59FJ" role="jymVt" />
     <node concept="312cEu" id="7cmJr8BA8Pk" role="jymVt">
       <property role="2bfB8j" value="false" />
       <property role="TrG5h" value="SameGridCellCondition" />
@@ -27522,55 +28045,6 @@
   </node>
   <node concept="312cEu" id="4db20qfqb8U">
     <property role="TrG5h" value="RowEndCell" />
-    <node concept="Wx3nA" id="12WeXpXuQQi" role="jymVt">
-      <property role="TrG5h" value="GRID_CELL" />
-      <property role="3TUv4t" value="false" />
-      <node concept="3Tm6S6" id="12WeXpXuPNw" role="1B3o_S" />
-      <node concept="3uibUv" id="12WeXpXuQqs" role="1tU5fm">
-        <ref role="3uigEE" to="y49u:~Condition" resolve="Condition" />
-        <node concept="3uibUv" id="12WeXpXuQHs" role="11_B2D">
-          <ref role="3uigEE" to="f4zo:~EditorCell" resolve="EditorCell" />
-        </node>
-      </node>
-      <node concept="2ShNRf" id="12WeXpXuRll" role="33vP2m">
-        <node concept="YeOm9" id="12WeXpXuSmP" role="2ShVmc">
-          <node concept="1Y3b0j" id="12WeXpXuSmS" role="YeSDq">
-            <property role="2bfB8j" value="true" />
-            <ref role="1Y3XeK" to="y49u:~Condition" resolve="Condition" />
-            <ref role="37wK5l" to="wyt6:~Object.&lt;init&gt;()" resolve="Object" />
-            <node concept="3Tm1VV" id="12WeXpXuSmT" role="1B3o_S" />
-            <node concept="3clFb_" id="12WeXpXuSmU" role="jymVt">
-              <property role="1EzhhJ" value="false" />
-              <property role="TrG5h" value="met" />
-              <property role="DiZV1" value="false" />
-              <node concept="3Tm1VV" id="12WeXpXuSmV" role="1B3o_S" />
-              <node concept="10P_77" id="12WeXpXuSmX" role="3clF45" />
-              <node concept="37vLTG" id="12WeXpXuSmY" role="3clF46">
-                <property role="TrG5h" value="cell" />
-                <node concept="3uibUv" id="12WeXpXuTGV" role="1tU5fm">
-                  <ref role="3uigEE" to="f4zo:~EditorCell" resolve="EditorCell" />
-                </node>
-              </node>
-              <node concept="3clFbS" id="12WeXpXuSn0" role="3clF47">
-                <node concept="3clFbF" id="12WeXpXuTYe" role="3cqZAp">
-                  <node concept="2ZW3vV" id="12WeXpXuU4l" role="3clFbG">
-                    <node concept="3uibUv" id="12WeXpXuU6K" role="2ZW6by">
-                      <ref role="3uigEE" node="20OswHE0eA6" resolve="EditorCell_GridCell" />
-                    </node>
-                    <node concept="37vLTw" id="12WeXpXuTYd" role="2ZW6bz">
-                      <ref role="3cqZAo" node="12WeXpXuSmY" resolve="cell" />
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3uibUv" id="12WeXpXuTmV" role="2Ghqu4">
-              <ref role="3uigEE" to="f4zo:~EditorCell" resolve="EditorCell" />
-            </node>
-          </node>
-        </node>
-      </node>
-    </node>
     <node concept="2tJIrI" id="12WeXpXuPv9" role="jymVt" />
     <node concept="312cEg" id="12WeXpXn$48" role="jymVt">
       <property role="TrG5h" value="myLeftEnd" />
@@ -27611,8 +28085,12 @@
               <ref role="Rm8GQ" to="f4zo:~CellActionType.INSERT" resolve="INSERT" />
             </node>
             <node concept="2ShNRf" id="4eOnSiwSCwR" role="37wK5m">
-              <node concept="HV5vD" id="4eOnSiwSCwS" role="2ShVmc">
-                <ref role="HV5vE" node="4db20qfqg3Y" resolve="RowEndCell.InsertAction" />
+              <node concept="1pGfFk" id="7IUya7cg2uv" role="2ShVmc">
+                <ref role="37wK5l" node="7IUya7cfM4j" resolve="InsertAction" />
+                <node concept="Xjq3P" id="7IUya7cg2uu" role="37wK5m" />
+                <node concept="37vLTw" id="7IUya7cgci6" role="37wK5m">
+                  <ref role="3cqZAo" node="12WeXpXn$48" resolve="myLeftEnd" />
+                </node>
               </node>
             </node>
           </node>
@@ -27641,8 +28119,9 @@
               <ref role="Rm8GQ" to="f4zo:~CellActionType.DELETE" resolve="DELETE" />
             </node>
             <node concept="2ShNRf" id="40oIQyHKQhe" role="37wK5m">
-              <node concept="HV5vD" id="40oIQyHLg2H" role="2ShVmc">
-                <ref role="HV5vE" node="40oIQyHH57G" resolve="RowEndCell.DeleteAction" />
+              <node concept="1pGfFk" id="7IUya7ciW44" role="2ShVmc">
+                <ref role="37wK5l" node="7IUya7ciSfI" resolve="DeleteAction" />
+                <node concept="Xjq3P" id="7IUya7ciW43" role="37wK5m" />
               </node>
             </node>
           </node>
@@ -27655,8 +28134,9 @@
               <ref role="Rm8GQ" to="f4zo:~CellActionType.SELECT_NEXT" resolve="SELECT_NEXT" />
             </node>
             <node concept="2ShNRf" id="5AW5JoZbd$V" role="37wK5m">
-              <node concept="HV5vD" id="5AW5JoZbJZi" role="2ShVmc">
-                <ref role="HV5vE" node="5AW5JoZb6HC" resolve="RowEndCell.SelectRowNodeAction" />
+              <node concept="1pGfFk" id="7IUya7ciZ9l" role="2ShVmc">
+                <ref role="37wK5l" node="7IUya7ciXQl" resolve="SelectRowNodeAction" />
+                <node concept="Xjq3P" id="7IUya7ciZ9k" role="37wK5m" />
               </node>
             </node>
           </node>
@@ -27669,8 +28149,9 @@
               <ref role="Rm8GQ" to="f4zo:~CellActionType.SELECT_PREVIOUS" resolve="SELECT_PREVIOUS" />
             </node>
             <node concept="2ShNRf" id="5AW5JoZbKKJ" role="37wK5m">
-              <node concept="HV5vD" id="5AW5JoZbLxK" role="2ShVmc">
-                <ref role="HV5vE" node="5AW5JoZb6HC" resolve="RowEndCell.SelectRowNodeAction" />
+              <node concept="1pGfFk" id="7IUya7cj15Z" role="2ShVmc">
+                <ref role="37wK5l" node="7IUya7ciXQl" resolve="SelectRowNodeAction" />
+                <node concept="Xjq3P" id="7IUya7cj15Y" role="37wK5m" />
               </node>
             </node>
           </node>
@@ -27683,8 +28164,12 @@
               <ref role="Rm8GQ" to="f4zo:~CellActionType.PASTE" resolve="PASTE" />
             </node>
             <node concept="2ShNRf" id="5AW5JoZAbPx" role="37wK5m">
-              <node concept="HV5vD" id="5AW5JoZCEcd" role="2ShVmc">
-                <ref role="HV5vE" node="5AW5JoZCzaO" resolve="RowEndCell.PasteAction" />
+              <node concept="1pGfFk" id="7IUya7cj32B" role="2ShVmc">
+                <ref role="37wK5l" node="7IUya7cix5V" resolve="PasteAction" />
+                <node concept="Xjq3P" id="7IUya7cj32A" role="37wK5m" />
+                <node concept="37vLTw" id="7IUya7cj6aN" role="37wK5m">
+                  <ref role="3cqZAo" node="12WeXpXn$48" resolve="myLeftEnd" />
+                </node>
               </node>
             </node>
           </node>
@@ -28078,2014 +28563,2120 @@
         <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
       </node>
     </node>
-    <node concept="312cEu" id="4db20qfqg3Y" role="jymVt">
-      <property role="2bfB8j" value="true" />
-      <property role="TrG5h" value="InsertAction" />
-      <node concept="3clFb_" id="4db20qfqkmQ" role="jymVt">
-        <property role="1EzhhJ" value="false" />
-        <property role="TrG5h" value="execute" />
-        <property role="DiZV1" value="false" />
-        <node concept="3Tm1VV" id="4db20qfqkmR" role="1B3o_S" />
-        <node concept="3cqZAl" id="4db20qfqkmT" role="3clF45" />
-        <node concept="37vLTG" id="4db20qfqkmU" role="3clF46">
-          <property role="TrG5h" value="context" />
-          <node concept="3uibUv" id="4db20qfqkmV" role="1tU5fm">
-            <ref role="3uigEE" to="cj4x:~EditorContext" resolve="EditorContext" />
+    <node concept="3Tm1VV" id="4db20qfqb8V" role="1B3o_S" />
+    <node concept="3uibUv" id="4eOnSiwwro0" role="1zkMxy">
+      <ref role="3uigEE" to="g51k:~EditorCell_Constant" resolve="EditorCell_Constant" />
+    </node>
+  </node>
+  <node concept="312cEu" id="5YKtc3CS0ji">
+    <property role="TrG5h" value="EditorCell_EmptyTableCell" />
+    <node concept="2tJIrI" id="5YKtc3CT1b9" role="jymVt" />
+    <node concept="3clFbW" id="5YKtc3CSnNU" role="jymVt">
+      <node concept="3cqZAl" id="5YKtc3CSnNW" role="3clF45" />
+      <node concept="3Tm1VV" id="5YKtc3CSnNX" role="1B3o_S" />
+      <node concept="3clFbS" id="5YKtc3CSnNY" role="3clF47">
+        <node concept="XkiVB" id="5YKtc3CSs2y" role="3cqZAp">
+          <ref role="37wK5l" to="g51k:~EditorCell_Constant.&lt;init&gt;(jetbrains.mps.openapi.editor.EditorContext,org.jetbrains.mps.openapi.model.SNode,java.lang.String,boolean)" resolve="EditorCell_Constant" />
+          <node concept="37vLTw" id="5YKtc3CSs48" role="37wK5m">
+            <ref role="3cqZAo" node="5YKtc3CSs2L" resolve="context" />
+          </node>
+          <node concept="37vLTw" id="5YKtc3CSs5f" role="37wK5m">
+            <ref role="3cqZAo" node="5YKtc3CSs3l" resolve="node" />
+          </node>
+          <node concept="Xl_RD" id="5YKtc3CSs6E" role="37wK5m">
+            <property role="Xl_RC" value="" />
+          </node>
+          <node concept="3clFbT" id="5YKtc3CSBGZ" role="37wK5m">
+            <property role="3clFbU" value="true" />
           </node>
         </node>
-        <node concept="3clFbS" id="4db20qfqkmY" role="3clF47">
-          <node concept="3cpWs8" id="12WeXpXvhU7" role="3cqZAp">
-            <node concept="3cpWsn" id="12WeXpXvhU8" role="3cpWs9">
-              <property role="TrG5h" value="gridCell" />
-              <node concept="3uibUv" id="12WeXpXvhU9" role="1tU5fm">
-                <ref role="3uigEE" node="20OswHE0eA6" resolve="EditorCell_GridCell" />
-              </node>
-              <node concept="10QFUN" id="12WeXpXvjh7" role="33vP2m">
-                <node concept="3uibUv" id="12WeXpXvjwd" role="10QFUM">
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-                <node concept="2YIFZM" id="6eBFmDECd0i" role="10QFUP">
-                  <ref role="1Pybhc" node="4gCFRNz2KOM" resolve="TableTraversalUtil" />
-                  <ref role="37wK5l" node="12WeXpXvbfw" resolve="getParent" />
-                  <node concept="Xjq3P" id="6eBFmDECd0j" role="37wK5m">
-                    <ref role="1HBi2w" node="4db20qfqb8U" resolve="RowEndCell" />
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-                  <node concept="10M0yZ" id="6eBFmDECd0k" role="37wK5m">
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-                    <ref role="3cqZAo" node="12WeXpXuQQi" resolve="GRID_CELL" />
-                  </node>
-                </node>
-              </node>
+        <node concept="3clFbH" id="5YKtc3CSNc7" role="3cqZAp" />
+        <node concept="3clFbF" id="6AkwH7c1uZ1" role="3cqZAp">
+          <node concept="1rXfSq" id="6AkwH7c1uZ0" role="3clFbG">
+            <ref role="37wK5l" to="g51k:~EditorCell_Basic.setAction(jetbrains.mps.openapi.editor.cells.CellActionType,jetbrains.mps.openapi.editor.cells.CellAction)" resolve="setAction" />
+            <node concept="Rm8GO" id="6AkwH7c1vrL" role="37wK5m">
+              <ref role="1Px2BO" to="f4zo:~CellActionType" resolve="CellActionType" />
+              <ref role="Rm8GQ" to="f4zo:~CellActionType.DELETE" resolve="DELETE" />
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-          <node concept="3cpWs8" id="12WeXpXvENY" role="3cqZAp">
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-                <node concept="liA8E" id="12WeXpXvWwY" role="2OqNvi">
-                  <ref role="37wK5l" node="7Nzu1McBs8f" resolve="getGrid" />
-                </node>
+            <node concept="2ShNRf" id="6AkwH7c1wHI" role="37wK5m">
+              <node concept="HV5vD" id="7Nzu1McEMCC" role="2ShVmc">
+                <ref role="HV5vE" node="6AkwH7c2_zx" resolve="DoNothingAction" />
               </node>
             </node>
           </node>
-          <node concept="3cpWs8" id="12WeXpXvr7s" role="3cqZAp">
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-              <node concept="3uibUv" id="12WeXpXvr7u" role="1tU5fm">
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-                  <ref role="37wK5l" node="4gCFRNz3a7W" resolve="getGridPosition" />
-                </node>
-              </node>
+        </node>
+        <node concept="3clFbF" id="6AkwH7c2CFG" role="3cqZAp">
+          <node concept="1rXfSq" id="6AkwH7c2CFH" role="3clFbG">
+            <ref role="37wK5l" to="g51k:~EditorCell_Basic.setAction(jetbrains.mps.openapi.editor.cells.CellActionType,jetbrains.mps.openapi.editor.cells.CellAction)" resolve="setAction" />
+            <node concept="Rm8GO" id="6AkwH7c2DwL" role="37wK5m">
+              <ref role="1Px2BO" to="f4zo:~CellActionType" resolve="CellActionType" />
+              <ref role="Rm8GQ" to="f4zo:~CellActionType.DELETE_TO_WORD_END" resolve="DELETE_TO_WORD_END" />
             </node>
-          </node>
-          <node concept="3cpWs8" id="12WeXpXvs70" role="3cqZAp">
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-              <node concept="37vLTw" id="7AHcygnWeYJ" role="33vP2m">
-                <ref role="3cqZAo" node="12WeXpXvr7t" resolve="myPosition" />
+            <node concept="2ShNRf" id="6AkwH7c2CFJ" role="37wK5m">
+              <node concept="HV5vD" id="7Nzu1McENwV" role="2ShVmc">
+                <ref role="HV5vE" node="6AkwH7c2_zx" resolve="DoNothingAction" />
               </node>
             </node>
           </node>
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@@ -31580,2557 +31838,2775 @@
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+                                    <node concept="3uibUv" id="2B4gMg2DDS9" role="0kSFW">
+                                      <ref role="3uigEE" to="xggr:ZjQ6tpoyPn" resolve="ILayoutableContainer" />
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+                                      <node concept="37vLTw" id="2B4gMg2CHAi" role="2Oq$k0">
+                                        <ref role="3cqZAo" node="2B4gMg2CHAl" resolve="it" />
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+                                      <node concept="liA8E" id="2B4gMg2CHAj" role="2OqNvi">
+                                        <ref role="37wK5l" to="xggr:40e1npHtFkJ" resolve="getLayoutable" />
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+                                    </node>
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+                                <ref role="37wK5l" to="xggr:40e1npHncHU" resolve="getAscent" />
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+                                  <node concept="37vLTw" id="2B4gMg2Dhjz" role="2Oq$k0">
+                                    <ref role="3cqZAo" node="2B4gMg2CHAl" resolve="it" />
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+                                  <node concept="liA8E" id="2B4gMg2DmFA" role="2OqNvi">
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+                                  </node>
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+          <node concept="3KbdKl" id="4BfDHEsaVO" role="3KbHQx">
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+                  <node concept="AQDAd" id="4BfDHEsPwh" role="2OqNvi">
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+                          </node>
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-                        <node concept="liA8E" id="4C4txgwQrl8" role="2OqNvi">
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+          <node concept="3cpWs8" id="7IUya7ckKxo" role="3cqZAp">
+            <node concept="3cpWsn" id="7IUya7ckKxp" role="3cpWs9">
+              <property role="TrG5h" value="nodeOfRow" />
+              <node concept="3Tqbb2" id="7IUya7ckKxq" role="1tU5fm" />
+              <node concept="2YIFZM" id="7IUya7ckKxr" role="33vP2m">
+                <ref role="1Pybhc" node="6tOcB$JKlIC" resolve="TableUtils" />
+                <ref role="37wK5l" node="7IUya7c4DQS" resolve="getNodeOfRowNode" />
+                <node concept="1rXfSq" id="7IUya7ckKxs" role="37wK5m">
+                  <ref role="37wK5l" node="7IUya7cczGL" resolve="getGridCell" />
+                </node>
+              </node>
+            </node>
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+          <node concept="3clFbJ" id="7IUya7ckLrE" role="3cqZAp">
+            <node concept="3clFbS" id="7IUya7ckLrG" role="3clFbx">
+              <node concept="3clFbF" id="7IUya7ckMkv" role="3cqZAp">
+                <node concept="2OqwBi" id="7IUya7ckMBF" role="3clFbG">
+                  <node concept="37vLTw" id="7IUya7ckMkt" role="2Oq$k0">
+                    <ref role="3cqZAo" node="7IUya7ckKxp" resolve="nodeOfRow" />
+                  </node>
+                  <node concept="HtX7F" id="7IUya7ckN0p" role="2OqNvi">
+                    <node concept="2OqwBi" id="F5PM1gashf" role="HtX7I">
+                      <node concept="2OqwBi" id="F5PM1garF7" role="2Oq$k0">
+                        <node concept="37vLTw" id="F5PM1garry" role="2Oq$k0">
+                          <ref role="3cqZAo" node="7IUya7ckKxp" resolve="nodeOfRow" />
+                        </node>
+                        <node concept="2yIwOk" id="F5PM1gas4U" role="2OqNvi" />
                       </node>
+                      <node concept="LFhST" id="F5PM1gasQH" role="2OqNvi" />
                     </node>
-                    <node concept="1uHKPH" id="7HQUZCSKWr4" role="2OqNvi" />
                   </node>
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-                    <ref role="37wK5l" to="xggr:ZjQ6tpoId6" resolve="getPreferredSize" />
-                    <node concept="37vLTw" id="7HQUZCSKWr6" role="37wK5m">
-                      <ref role="3cqZAo" node="7HQUZCSIP0g" resolve="sizeConstraint" />
+                </node>
+              </node>
+            </node>
+            <node concept="37vLTw" id="7IUya7ckLE3" role="3clFbw">
+              <ref role="3cqZAo" node="7IUya7cfP4l" resolve="leftSide" />
+            </node>
+            <node concept="9aQIb" id="F5PM1gat1y" role="9aQIa">
+              <node concept="3clFbS" id="F5PM1gat1z" role="9aQI4">
+                <node concept="3clFbF" id="F5PM1gatb3" role="3cqZAp">
+                  <node concept="2OqwBi" id="F5PM1gatb4" role="3clFbG">
+                    <node concept="37vLTw" id="F5PM1gatb5" role="2Oq$k0">
+                      <ref role="3cqZAo" node="7IUya7ckKxp" resolve="nodeOfRow" />
+                    </node>
+                    <node concept="HtI8k" id="F5PM1gatpa" role="2OqNvi">
+                      <node concept="2OqwBi" id="F5PM1gat$o" role="HtI8F">
+                        <node concept="2OqwBi" id="F5PM1gat$p" role="2Oq$k0">
+                          <node concept="37vLTw" id="F5PM1gat$q" role="2Oq$k0">
+                            <ref role="3cqZAo" node="7IUya7ckKxp" resolve="nodeOfRow" />
+                          </node>
+                          <node concept="2yIwOk" id="F5PM1gat$r" role="2OqNvi" />
+                        </node>
+                        <node concept="LFhST" id="F5PM1gat$s" role="2OqNvi" />
+                      </node>
                     </node>
                   </node>
                 </node>
@@ -34138,662 +34614,518 @@
             </node>
           </node>
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-            <node concept="37vLTw" id="7HQUZCSKjev" role="2Oq$k0">
-              <ref role="3cqZAo" node="7HQUZCSK94E" resolve="child" />
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+      <node concept="3Tm1VV" id="7IUya7cfFCG" role="1B3o_S" />
+      <node concept="3uibUv" id="7IUya7chVZy" role="1zkMxy">
+        <ref role="3uigEE" node="7IUya7ch5ON" resolve="AbstractTableCellAction" />
+      </node>
+    </node>
+    <node concept="2tJIrI" id="7IUya7cfFbO" role="jymVt" />
+    <node concept="312cEu" id="5AW5JoZb6HC" role="jymVt">
+      <property role="TrG5h" value="SelectRowNodeAction" />
+      <node concept="3clFbW" id="7IUya7ciXQl" role="jymVt">
+        <node concept="3cqZAl" id="7IUya7ciXQm" role="3clF45" />
+        <node concept="3Tm1VV" id="7IUya7ciXQu" role="1B3o_S" />
+        <node concept="37vLTG" id="7IUya7ciXQv" role="3clF46">
+          <property role="TrG5h" value="cell" />
+          <node concept="3uibUv" id="7IUya7ciXQw" role="1tU5fm">
+            <ref role="3uigEE" to="f4zo:~EditorCell" resolve="EditorCell" />
+          </node>
+        </node>
+        <node concept="3clFbS" id="7IUya7ciXQx" role="3clF47">
+          <node concept="XkiVB" id="7IUya7ciXQy" role="3cqZAp">
+            <ref role="37wK5l" node="7IUya7chrcn" resolve="AbstractTableCellAction" />
+            <node concept="37vLTw" id="7IUya7ciXQz" role="37wK5m">
+              <ref role="3cqZAo" node="7IUya7ciXQv" resolve="cell" />
             </node>
-            <node concept="liA8E" id="7HQUZCSKjpu" role="2OqNvi">
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-              <node concept="2OqwBi" id="7HQUZCSKk1L" role="37wK5m">
-                <node concept="37vLTw" id="7HQUZCSKWZL" role="2Oq$k0">
-                  <ref role="3cqZAo" node="7HQUZCSKW1_" resolve="childSize" />
+          </node>
+        </node>
+      </node>
+      <node concept="2tJIrI" id="7IUya7ciYkP" role="jymVt" />
+      <node concept="3clFb_" id="5AW5JoZbc1A" role="jymVt">
+        <property role="1EzhhJ" value="false" />
+        <property role="TrG5h" value="canExecute" />
+        <property role="DiZV1" value="false" />
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+        <node concept="10P_77" id="5AW5JoZbc1D" role="3clF45" />
+        <node concept="37vLTG" id="5AW5JoZbc1E" role="3clF46">
+          <property role="TrG5h" value="context" />
+          <node concept="3uibUv" id="5AW5JoZbc1F" role="1tU5fm">
+            <ref role="3uigEE" to="cj4x:~EditorContext" resolve="EditorContext" />
+          </node>
+        </node>
+        <node concept="3clFbS" id="5AW5JoZbc1G" role="3clF47">
+          <node concept="3clFbF" id="5AW5JoZbclS" role="3cqZAp">
+            <node concept="3y3z36" id="5AW5JoZbctG" role="3clFbG">
+              <node concept="10Nm6u" id="5AW5JoZbc$F" role="3uHU7w" />
+              <node concept="1rXfSq" id="5AW5JoZbclR" role="3uHU7B">
+                <ref role="37wK5l" node="7IUya7ccS5V" resolve="getNodeOfRow" />
+              </node>
+            </node>
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+        </node>
+        <node concept="2AHcQZ" id="5AW5JoZbc1H" role="2AJF6D">
+          <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
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+      <node concept="3clFb_" id="5AW5JoZba6F" role="jymVt">
+        <property role="1EzhhJ" value="false" />
+        <property role="TrG5h" value="execute" />
+        <property role="DiZV1" value="false" />
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+        <node concept="37vLTG" id="5AW5JoZba6I" role="3clF46">
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+              <property role="TrG5h" value="pasteNodeData" />
+              <node concept="3uibUv" id="5AW5JoZGEjy" role="1tU5fm">
+                <ref role="3uigEE" to="qzxn:~PasteNodeData" resolve="PasteNodeData" />
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+                <ref role="37wK5l" to="dp1x:5tGs5KqKiKf" resolve="getPasteNodeDataFromClipboard" />
+                <ref role="1Pybhc" to="dp1x:5tGs5KqKfGH" resolve="CopyPasteUtil" />
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+                    <node concept="liA8E" id="7IUya7cis_d" role="2OqNvi">
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+              <property role="TrG5h" value="nodesToPaste" />
+              <node concept="_YKpA" id="5AW5JoZGRhH" role="1tU5fm">
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+                  <ref role="3cqZAo" node="5AW5JoZGEjx" resolve="pasteNodeData" />
+                </node>
+                <node concept="liA8E" id="5AW5JoZGRhL" role="2OqNvi">
+                  <ref role="37wK5l" to="qzxn:~PasteNodeData.getNodes()" resolve="getNodes" />
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+                <node concept="3fqX7Q" id="5AW5JoZGUhV" role="3clFbw">
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+        <node concept="3Tm1VV" id="7IUya7ciSfM" role="1B3o_S" />
+        <node concept="37vLTG" id="7IUya7ciSo5" role="3clF46">
+          <property role="TrG5h" value="cell" />
+          <node concept="3uibUv" id="7IUya7ciSo4" role="1tU5fm">
+            <ref role="3uigEE" to="f4zo:~EditorCell" resolve="EditorCell" />
           </node>
         </node>
       </node>
-      <node concept="2AHcQZ" id="3qQrmwQbCM$" role="2AJF6D">
-        <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
-      </node>
-    </node>
-    <node concept="2tJIrI" id="m_yL2MBc6O" role="jymVt" />
-    <node concept="3clFb_" id="m_yL2MBdt9" role="jymVt">
-      <property role="TrG5h" value="getRole" />
-      <node concept="3Tm1VV" id="m_yL2MBdta" role="1B3o_S" />
-      <node concept="2AHcQZ" id="m_yL2MBdtc" role="2AJF6D">
-        <ref role="2AI5Lk" to="wyt6:~Deprecated" resolve="Deprecated" />
-      </node>
-      <node concept="17QB3L" id="m_yL2MBdYn" role="3clF45" />
-      <node concept="3clFbS" id="m_yL2MBdth" role="3clF47">
-        <node concept="3clFbF" id="m_yL2MBekD" role="3cqZAp">
-          <node concept="Xl_RD" id="m_yL2MBekC" role="3clFbG">
-            <property role="Xl_RC" value="" />
+      <node concept="2tJIrI" id="7IUya7ciS7B" role="jymVt" />
+      <node concept="3clFb_" id="40oIQyHH57H" role="jymVt">
+        <property role="1EzhhJ" value="false" />
+        <property role="TrG5h" value="execute" />
+        <property role="DiZV1" value="false" />
+        <node concept="3Tm1VV" id="40oIQyHH57I" role="1B3o_S" />
+        <node concept="3cqZAl" id="40oIQyHH57J" role="3clF45" />
+        <node concept="37vLTG" id="40oIQyHH57K" role="3clF46">
+          <property role="TrG5h" value="context" />
+          <node concept="3uibUv" id="40oIQyHH57L" role="1tU5fm">
+            <ref role="3uigEE" to="cj4x:~EditorContext" resolve="EditorContext" />
           </node>
         </node>
-      </node>
-      <node concept="2AHcQZ" id="m_yL2MBdti" role="2AJF6D">
-        <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
-      </node>
-    </node>
-    <node concept="3clFb_" id="m_yL2MBdtl" role="jymVt">
-      <property role="TrG5h" value="getTargetConcept" />
-      <node concept="3Tm1VV" id="m_yL2MBdtm" role="1B3o_S" />
-      <node concept="2AHcQZ" id="m_yL2MBdto" role="2AJF6D">
-        <ref role="2AI5Lk" to="mhfm:~NotNull" resolve="NotNull" />
-      </node>
-      <node concept="3uibUv" id="m_yL2MBdtp" role="3clF45">
-        <ref role="3uigEE" to="c17a:~SAbstractConcept" resolve="SAbstractConcept" />
-      </node>
-      <node concept="3clFbS" id="m_yL2MBdtq" role="3clF47">
-        <node concept="YS8fn" id="m_yL2MBel4" role="3cqZAp">
-          <node concept="2ShNRf" id="m_yL2MBel5" role="YScLw">
-            <node concept="1pGfFk" id="m_yL2MBel6" role="2ShVmc">
-              <ref role="37wK5l" to="wyt6:~RuntimeException.&lt;init&gt;()" resolve="RuntimeException" />
+        <node concept="3clFbS" id="40oIQyHH57M" role="3clF47">
+          <node concept="3clFbF" id="5AW5JoZaRHC" role="3cqZAp">
+            <node concept="2OqwBi" id="5AW5JoZaT6h" role="3clFbG">
+              <node concept="1rXfSq" id="5AW5JoZaRHB" role="2Oq$k0">
+                <ref role="37wK5l" node="7IUya7ccS5V" resolve="getNodeOfRow" />
+              </node>
+              <node concept="3YRAZt" id="5AW5JoZaUvp" role="2OqNvi" />
             </node>
           </node>
         </node>
       </node>
-      <node concept="2AHcQZ" id="m_yL2MBdtr" role="2AJF6D">
-        <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
-      </node>
-    </node>
-    <node concept="3clFb_" id="m_yL2MBdtu" role="jymVt">
-      <property role="TrG5h" value="isMultiple" />
-      <node concept="3Tm1VV" id="m_yL2MBdtv" role="1B3o_S" />
-      <node concept="10P_77" id="m_yL2MBdtx" role="3clF45" />
-      <node concept="3clFbS" id="m_yL2MBdty" role="3clF47">
-        <node concept="3clFbF" id="m_yL2MBdt_" role="3cqZAp">
-          <node concept="3clFbT" id="m_yL2MBdt$" role="3clFbG" />
-        </node>
-      </node>
-      <node concept="2AHcQZ" id="m_yL2MBdtz" role="2AJF6D">
-        <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
-      </node>
-    </node>
-    <node concept="3clFb_" id="m_yL2MBdtA" role="jymVt">
-      <property role="TrG5h" value="isOptional" />
-      <node concept="3Tm1VV" id="m_yL2MBdtB" role="1B3o_S" />
-      <node concept="10P_77" id="m_yL2MBdtD" role="3clF45" />
-      <node concept="3clFbS" id="m_yL2MBdtE" role="3clF47">
-        <node concept="3clFbF" id="m_yL2MBe_o" role="3cqZAp">
-          <node concept="3clFbT" id="m_yL2MBe_n" role="3clFbG">
-            <property role="3clFbU" value="true" />
-          </node>
-        </node>
-      </node>
-      <node concept="2AHcQZ" id="m_yL2MBdtF" role="2AJF6D">
-        <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
-      </node>
-    </node>
-    <node concept="3clFb_" id="m_yL2MBdtI" role="jymVt">
-      <property role="TrG5h" value="isReference" />
-      <node concept="3Tm1VV" id="m_yL2MBdtJ" role="1B3o_S" />
-      <node concept="2AHcQZ" id="m_yL2MBdtL" role="2AJF6D">
-        <ref role="2AI5Lk" to="wyt6:~Deprecated" resolve="Deprecated" />
-      </node>
-      <node concept="10P_77" id="m_yL2MBdtP" role="3clF45" />
-      <node concept="3clFbS" id="m_yL2MBdtQ" role="3clF47">
-        <node concept="3clFbF" id="m_yL2MBdtT" role="3cqZAp">
-          <node concept="3clFbT" id="m_yL2MBdtS" role="3clFbG" />
-        </node>
-      </node>
-      <node concept="2AHcQZ" id="m_yL2MBdtR" role="2AJF6D">
-        <ref role="2AI5Lk" to="wyt6:~Override" resolve="Override" />
+      <node concept="3Tm1VV" id="7IUya7cgVB1" role="1B3o_S" />
+      <node concept="3uibUv" id="7IUya7ciRuz" role="1zkMxy">
+        <ref role="3uigEE" node="7IUya7ch5ON" resolve="AbstractTableCellAction" />
       </node>
     </node>
+    <node concept="2tJIrI" id="7IUya7cgTJe" role="jymVt" />
+    <node concept="3Tm1VV" id="7IUya7cfCUN" role="1B3o_S" />
   </node>
 </model>
 
diff --git a/code/tables/languages/de.slisson.mps.tables/runtime/models/de/slisson/mps/tables/runtime/plugin.mps b/code/tables/languages/de.slisson.mps.tables/runtime/models/de/slisson/mps/tables/runtime/plugin.mps
index 89321cd1d..f70161167 100644
--- a/code/tables/languages/de.slisson.mps.tables/runtime/models/de/slisson/mps/tables/runtime/plugin.mps
+++ b/code/tables/languages/de.slisson.mps.tables/runtime/models/de/slisson/mps/tables/runtime/plugin.mps
@@ -5,6 +5,9 @@
     <use id="ef7bf5ac-d06c-4342-b11d-e42104eb9343" name="jetbrains.mps.lang.plugin.standalone" version="0" />
     <use id="c0080a47-7e37-4558-bee9-9ae18e690549" name="jetbrains.mps.lang.extension" version="2" />
     <use id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage" version="12" />
+    <use id="28f9e497-3b42-4291-aeba-0a1039153ab1" name="jetbrains.mps.lang.plugin" version="5" />
+    <use id="774bf8a0-62e5-41e1-af63-f4812e60e48b" name="jetbrains.mps.baseLanguage.checkedDots" version="0" />
+    <use id="c7d5b9dd-a05f-4be2-bc73-f2e16994cc67" name="jetbrains.mps.baseLanguage.lightweightdsl" version="1" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports>
@@ -17,10 +20,66 @@
     <import index="hm5v" ref="r:3d8b4628-659e-4af1-a607-3cc893005b62(de.slisson.mps.tables.runtime.cells)" />
     <import index="9p8b" ref="r:2a738fcb-23b4-4d1d-9f52-870528559e28(de.slisson.mps.tables.runtime.selection)" />
     <import index="6tp1" ref="r:5c0390a8-12e2-407a-ba93-793107153436(de.itemis.mps.selection.runtime.mouse)" />
+    <import index="k3nr" ref="1ed103c3-3aa6-49b7-9c21-6765ee11f224/java:jetbrains.mps.ide.editor(MPS.Editor/)" />
+    <import index="sse1" ref="r:caea7020-da0a-4ba8-aff6-69334bbc9e02(de.slisson.mps.tables.runtime.simplegrid)" />
+    <import index="6dpw" ref="r:ea653f2d-c829-4182-b311-a544ef1f4c1f(de.slisson.mps.tables.runtime.gridmodel)" />
+    <import index="qkt" ref="498d89d2-c2e9-11e2-ad49-6cf049e62fe5/java:com.intellij.openapi.actionSystem(MPS.IDEA/)" />
+    <import index="mhfm" ref="3f233e7f-b8a6-46d2-a57f-795d56775243/java:org.jetbrains.annotations(Annotations/)" />
+    <import index="lzb2" ref="498d89d2-c2e9-11e2-ad49-6cf049e62fe5/java:com.intellij.ui(MPS.IDEA/)" />
+    <import index="fnpx" ref="498d89d2-c2e9-11e2-ad49-6cf049e62fe5/java:com.intellij.notification(MPS.IDEA/)" />
     <import index="wyt6" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.lang(JDK/)" implicit="true" />
     <import index="90d" ref="r:421d64ed-8024-497f-aeab-8bddeb389dd2(jetbrains.mps.lang.extension.methods)" implicit="true" />
+    <import index="tprs" ref="r:00000000-0000-4000-0000-011c895904a4(jetbrains.mps.ide.actions)" implicit="true" />
   </imports>
   <registry>
+    <language id="982eb8df-2c96-4bd7-9963-11712ea622e5" name="jetbrains.mps.lang.resources">
+      <concept id="2756621024541681849" name="jetbrains.mps.lang.resources.structure.Text" flags="ng" index="1irPie">
+        <property id="2756621024541681854" name="text" index="1irPi9" />
+        <child id="1860120738943552534" name="color" index="3PKjny" />
+      </concept>
+      <concept id="2756621024541674821" name="jetbrains.mps.lang.resources.structure.TextIcon" flags="ng" index="1irR5M">
+        <property id="1358878980655415353" name="iconId" index="2$rrk2" />
+        <child id="2756621024541675110" name="layers" index="1irR9h" />
+      </concept>
+      <concept id="1860120738943552477" name="jetbrains.mps.lang.resources.structure.ColorLiteral" flags="ng" index="3PKj8D">
+        <property id="1860120738943552481" name="val" index="3PKj8l" />
+      </concept>
+    </language>
+    <language id="28f9e497-3b42-4291-aeba-0a1039153ab1" name="jetbrains.mps.lang.plugin">
+      <concept id="1204908117386" name="jetbrains.mps.lang.plugin.structure.Separator" flags="ng" index="2a7GMi" />
+      <concept id="1207145360364" name="jetbrains.mps.lang.plugin.structure.BuildGroupBlock" flags="in" index="fu6FP" />
+      <concept id="1203071646776" name="jetbrains.mps.lang.plugin.structure.ActionDeclaration" flags="ng" index="sE7Ow">
+        <property id="1205250923097" name="caption" index="2uzpH1" />
+        <property id="7458746815261976739" name="requiredAccess" index="2YLI8m" />
+        <child id="1203083196627" name="updateBlock" index="tmbBb" />
+        <child id="1203083461638" name="executeFunction" index="tncku" />
+        <child id="1217413222820" name="parameter" index="1NuT2Z" />
+        <child id="8976425910813834639" name="icon" index="3Uehp1" />
+      </concept>
+      <concept id="1203083511112" name="jetbrains.mps.lang.plugin.structure.ExecuteBlock" flags="in" index="tnohg" />
+      <concept id="1203087890642" name="jetbrains.mps.lang.plugin.structure.ActionGroupDeclaration" flags="ng" index="tC5Ba">
+        <child id="1204991552650" name="modifier" index="2f5YQi" />
+        <child id="1207145245948" name="contents" index="ftER_" />
+      </concept>
+      <concept id="1203088046679" name="jetbrains.mps.lang.plugin.structure.ActionInstance" flags="ng" index="tCFHf">
+        <reference id="1203088061055" name="action" index="tCJdB" />
+      </concept>
+      <concept id="1203092361741" name="jetbrains.mps.lang.plugin.structure.ModificationStatement" flags="lg" index="tT9cl">
+        <reference id="1203092736097" name="modifiedGroup" index="tU$_T" />
+      </concept>
+      <concept id="1227013049127" name="jetbrains.mps.lang.plugin.structure.AddStatement" flags="nn" index="2JFkCU">
+        <child id="1227013166210" name="item" index="2JFLmv" />
+      </concept>
+      <concept id="1205681243813" name="jetbrains.mps.lang.plugin.structure.IsApplicableBlock" flags="in" index="2ScWuX" />
+      <concept id="5538333046911348654" name="jetbrains.mps.lang.plugin.structure.RequiredCondition" flags="ng" index="1oajcY" />
+      <concept id="1217252042208" name="jetbrains.mps.lang.plugin.structure.ActionDataParameterDeclaration" flags="ng" index="1DS2jV">
+        <reference id="1217252646389" name="key" index="1DUlNI" />
+      </concept>
+      <concept id="1217252428768" name="jetbrains.mps.lang.plugin.structure.ActionDataParameterReferenceOperation" flags="nn" index="1DTwFV" />
+      <concept id="1217413147516" name="jetbrains.mps.lang.plugin.structure.ActionParameter" flags="ng" index="1NuADB">
+        <child id="5538333046911298738" name="condition" index="1oa70y" />
+      </concept>
+    </language>
     <language id="ef7bf5ac-d06c-4342-b11d-e42104eb9343" name="jetbrains.mps.lang.plugin.standalone">
       <concept id="7520713872864775836" name="jetbrains.mps.lang.plugin.standalone.structure.StandalonePluginDescriptor" flags="ng" index="2DaZZR" />
     </language>
@@ -44,9 +103,22 @@
         <child id="1197027771414" name="operand" index="2Oq$k0" />
         <child id="1197027833540" name="operation" index="2OqNvi" />
       </concept>
+      <concept id="1083260308424" name="jetbrains.mps.baseLanguage.structure.EnumConstantReference" flags="nn" index="Rm8GO">
+        <reference id="1083260308426" name="enumConstantDeclaration" index="Rm8GQ" />
+        <reference id="1144432896254" name="enumClass" index="1Px2BO" />
+      </concept>
       <concept id="1145552977093" name="jetbrains.mps.baseLanguage.structure.GenericNewExpression" flags="nn" index="2ShNRf">
         <child id="1145553007750" name="creator" index="2ShVmc" />
       </concept>
+      <concept id="1137021947720" name="jetbrains.mps.baseLanguage.structure.ConceptFunction" flags="in" index="2VMwT0">
+        <child id="1137022507850" name="body" index="2VODD2" />
+      </concept>
+      <concept id="1070475926800" name="jetbrains.mps.baseLanguage.structure.StringLiteral" flags="nn" index="Xl_RD">
+        <property id="1070475926801" name="value" index="Xl_RC" />
+      </concept>
+      <concept id="1182160077978" name="jetbrains.mps.baseLanguage.structure.AnonymousClassCreator" flags="nn" index="YeOm9">
+        <child id="1182160096073" name="cls" index="YeSDq" />
+      </concept>
       <concept id="1081236700937" name="jetbrains.mps.baseLanguage.structure.StaticMethodCall" flags="nn" index="2YIFZM">
         <reference id="1144433194310" name="classConcept" index="1Pybhc" />
       </concept>
@@ -65,6 +137,9 @@
       <concept id="1068431474542" name="jetbrains.mps.baseLanguage.structure.VariableDeclaration" flags="ng" index="33uBYm">
         <child id="1068431790190" name="initializer" index="33vP2m" />
       </concept>
+      <concept id="1513279640923991009" name="jetbrains.mps.baseLanguage.structure.IGenericClassCreator" flags="ng" index="366HgL">
+        <property id="1513279640906337053" name="inferTypeParams" index="373rjd" />
+      </concept>
       <concept id="1109279763828" name="jetbrains.mps.baseLanguage.structure.TypeVariableDeclaration" flags="ng" index="16euLQ" />
       <concept id="1109279851642" name="jetbrains.mps.baseLanguage.structure.GenericDeclaration" flags="ng" index="16eOlS">
         <child id="1109279881614" name="typeVariableDeclaration" index="16eVyc" />
@@ -101,6 +176,9 @@
       <concept id="1068580123136" name="jetbrains.mps.baseLanguage.structure.StatementList" flags="sn" stub="5293379017992965193" index="3clFbS">
         <child id="1068581517665" name="statement" index="3cqZAp" />
       </concept>
+      <concept id="1068580123137" name="jetbrains.mps.baseLanguage.structure.BooleanConstant" flags="nn" index="3clFbT">
+        <property id="1068580123138" name="value" index="3clFbU" />
+      </concept>
       <concept id="1068580123140" name="jetbrains.mps.baseLanguage.structure.ConstructorDeclaration" flags="ig" index="3clFbW" />
       <concept id="1068581242878" name="jetbrains.mps.baseLanguage.structure.ReturnStatement" flags="nn" index="3cpWs6">
         <child id="1068581517676" name="expression" index="3cqZAk" />
@@ -142,6 +220,9 @@
         <reference id="1116615189566" name="classifier" index="3VsUkX" />
       </concept>
       <concept id="1080120340718" name="jetbrains.mps.baseLanguage.structure.AndExpression" flags="nn" index="1Wc70l" />
+      <concept id="1170345865475" name="jetbrains.mps.baseLanguage.structure.AnonymousClass" flags="ig" index="1Y3b0j">
+        <reference id="1170346070688" name="classifier" index="1Y3XeK" />
+      </concept>
     </language>
     <language id="c0080a47-7e37-4558-bee9-9ae18e690549" name="jetbrains.mps.lang.extension">
       <concept id="126958800891274162" name="jetbrains.mps.lang.extension.structure.Extension" flags="ig" index="1lYeZD">
@@ -161,7 +242,16 @@
         <reference id="6478870542308703669" name="decl" index="3tTeZr" />
       </concept>
     </language>
+    <language id="443f4c36-fcf5-4eb6-9500-8d06ed259e3e" name="jetbrains.mps.baseLanguage.classifiers">
+      <concept id="1205752633985" name="jetbrains.mps.baseLanguage.classifiers.structure.ThisClassifierExpression" flags="nn" index="2WthIp" />
+      <concept id="1205756064662" name="jetbrains.mps.baseLanguage.classifiers.structure.IMemberOperation" flags="ng" index="2WEnae">
+        <reference id="1205756909548" name="member" index="2WH_rO" />
+      </concept>
+    </language>
     <language id="ceab5195-25ea-4f22-9b92-103b95ca8c0c" name="jetbrains.mps.lang.core">
+      <concept id="1133920641626" name="jetbrains.mps.lang.core.structure.BaseConcept" flags="ng" index="2VYdi">
+        <property id="1193676396447" name="virtualPackage" index="3GE5qa" />
+      </concept>
       <concept id="1169194658468" name="jetbrains.mps.lang.core.structure.INamedConcept" flags="ng" index="TrEIO">
         <property id="1169194664001" name="name" index="TrG5h" />
       </concept>
@@ -542,5 +632,399 @@
       </node>
     </node>
   </node>
+  <node concept="sE7Ow" id="7IUya7c4kr_">
+    <property role="TrG5h" value="DeleteTableRow" />
+    <property role="2uzpH1" value="Delete Table Row" />
+    <property role="2YLI8m" value="6u2MFnph2yk/editorCommand" />
+    <property role="3GE5qa" value="actions" />
+    <node concept="tnohg" id="7IUya7c4krA" role="tncku">
+      <node concept="3clFbS" id="7IUya7c4krB" role="2VODD2">
+        <node concept="3clFbF" id="7IUya7cjmzQ" role="3cqZAp">
+          <node concept="2OqwBi" id="7IUya7cjmzS" role="3clFbG">
+            <node concept="2ShNRf" id="7IUya7cjmzT" role="2Oq$k0">
+              <node concept="1pGfFk" id="7IUya7cjmzU" role="2ShVmc">
+                <property role="373rjd" value="true" />
+                <ref role="37wK5l" to="hm5v:7IUya7ciSfI" resolve="DeleteAction" />
+                <node concept="2OqwBi" id="7IUya7cjmzV" role="37wK5m">
+                  <node concept="2WthIp" id="7IUya7cjmzW" role="2Oq$k0" />
+                  <node concept="1DTwFV" id="7IUya7cjmzX" role="2OqNvi">
+                    <ref role="2WH_rO" node="7IUya7c4kto" resolve="cell" />
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="liA8E" id="7IUya7cjmzY" role="2OqNvi">
+              <ref role="37wK5l" to="hm5v:40oIQyHH57H" resolve="execute" />
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+        </node>
+      </node>
+    </node>
+  </node>
 </model>
 
diff --git a/docs/extensions/editor/tables.md b/docs/extensions/editor/tables.md
index 7715f516e..3806619da 100644
--- a/docs/extensions/editor/tables.md
+++ b/docs/extensions/editor/tables.md
@@ -17,7 +17,8 @@ be done in other editors by using the `partial table` cell.
 - **disable left row end cells**: there's a special cell to the left of table rows that's used, for example, for inserting
  new table rows. This flag can disable this cell (default: *false*).
 - **disable right row end cells**: there's a special cell to the left of table rows that's used, for example, for inserting
-    new table rows. This flag can disable this cell (default: *false).
+    new table rows. This flag can disable this cell (default: *false*).
+- **row UI actions (experimental)**: add actions to the MPS toolbar to add a new row above/below the current row or to delete the current row. These actions only work for simple tables that are based on rows (default: *false*).
 
 ## Cell