Add Ctrl+Down/Up

move entire table one row Up/Down

docs/User_Guide.md

@@ -92,6 +92,8 @@ We also provide some [Python tools](https://github.com/qurator-spk/neath/tree/ma
 | Down     |  Move one row down                         |
 | PageDown |  Move page down                            |
 | PageUp   |  Move page up                              |
+| Crtl+Up  |  Move entire table one row up              |
+| Crtl+Down|  Move entire table one row down            |
 |----------|--------------------------------------------|
 | s  t     |  Start new sentence in current row         |
 | m  e     |  Merge current row with row above          |

neath.js

@@ -854,37 +854,76 @@ function setupInterface(data, file, urls) {
             }
         });
 
-     wnd_listener.simple_combo('up',
-        function() {
-            if (editingTd != null) return true;
+     wnd_listener.register_combo(
+        {
+            keys: 'meta up',
+            on_keydown:
+                function() {
+                    if (editingTd != null) return true;
+
+                    stepsBackward(1);
+                },
+            is_solitary: true
+        }
+    );
 
-            let prev = $(':focus').closest('tr').prev('tr')
+     wnd_listener.register_combo(
+        {
+            keys: 'up',
 
-            let pos = $(':focus').closest('tr').children('.editable').index($(':focus'))
+            on_keydown:
+                function() {
+                    if (editingTd != null) return true;
 
-            if (prev.length==0) {
-                stepsBackward(1);
-            }
-            else {
-                prev.children('.editable')[pos].focus();
-            }
-        });
+                    let prev = $(':focus').closest('tr').prev('tr')
 
-    wnd_listener.simple_combo('down',
-        function() {
-            if (editingTd != null) return true;
+                    let pos = $(':focus').closest('tr').children('.editable').index($(':focus'))
 
-            let next = $(':focus').closest('tr').next('tr')
+                    if (prev.length==0) {
+                        stepsBackward(1);
+                    }
+                    else {
+                        prev.children('.editable')[pos].focus();
+                    }
+                },
+            is_solitary : true
+        });
 
-            let pos = $(':focus').closest('tr').children('.editable').index($(':focus'))
+    wnd_listener.register_combo(
+        {
+            keys: 'meta down',
+
+            on_keydown: function() {
+                if (editingTd != null) return true;
 
-            if (next.length==0) {
                 stepsForward(1);
-            }
-            else {
-                next.children('.editable')[pos].focus();
-            }
-        });
+            },
+            is_solitary: true
+        }
+    );
+
+    wnd_listener.register_combo(
+        {
+        keys : 'down',
+        on_keydown:
+            function() {
+                if (editingTd != null) return true;
+
+                let next = $(':focus').closest('tr').next('tr')
+
+                let pos = $(':focus').closest('tr').children('.editable').index($(':focus'))
+
+                if (next.length==0) {
+                    stepsForward(1);
+                }
+                else {
+                    next.children('.editable')[pos].focus();
+                }
+            },
+        is_solitary: true,
+        }
+    );
+
 
     wnd_listener.sequence_combo('l a',
         function() {