small refactor + fix brackets

[fnpeditor.git] / src / editor / modules / documentCanvas / canvas / keyboard.js

diff --git a/src/editor/modules/documentCanvas/canvas/keyboard.js b/src/editor/modules/documentCanvas/canvas/keyboard.js
index 19f77b9..0ad2ff3 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/keyboard.js
+++ b/src/editor/modules/documentCanvas/canvas/keyboard.js
@@ -75,7 +75,7 @@ var handleKeyEvent = function(e, s) {
 };
 // todo: whileRemoveWholetext
 var keyEventHandlers = [
-    {
+    { // ctrl+x - prevented (?)
         applies: function(e, s) {
             return e.ctrlKey &&
                 e.key === KEYS.X &&
@@ -212,7 +212,7 @@ var keyEventHandlers = [
             }
         }
     },
-    {
+    { // backspace removing the last character in a span
         applies: function(e, s) {
             return s.type === 'caret' &&
                 s.element.wlxmlNode.parent().is({tagName: 'span'}) &&
@@ -230,7 +230,7 @@ var keyEventHandlers = [
                 {caretTo: params.ret ? params.ret.previousLen : (prevTextNode ? prevTextNode.getText().length : 0)});
         }
     },
-    {
+    { // backspace/delete through an edge (behaves weirdly at spans)
         applies: function(e, s) {
             return s.type === 'caret' && (
                 (s.isAtBeginning() && e.key === KEYS.BACKSPACE) ||
@@ -238,22 +238,16 @@ var keyEventHandlers = [
             );
         },
         run: function(e,s) {
-            var direction, caretTo, cursorAtOperationEdge, goto, element;
+            var goto, element;
 
             if(e.key === KEYS.BACKSPACE) {
-                direction = 'above';
-                caretTo = 'end';
-                cursorAtOperationEdge = s.isAtBeginning();
                 element = s.element;
             }
             else {
-                direction = 'below';
-                caretTo = 'start';
-                cursorAtOperationEdge = s.isAtEnd();
-                element = cursorAtOperationEdge && s.canvas.getNearestTextElement(direction, s.element);
+                element = s.canvas.getNearestTextElement('below', s.element);
             }
 
-            if(!cursorAtOperationEdge || !element) {
+            if(!element) {
                 return;
             }
 
@@ -284,7 +278,7 @@ var keyEventHandlers = [
         }
     },
 
-    {
+    { // backspace/delete last character in a node - why is it needed?
         applies: function(e,s) {
             return s.type === 'caret' && s.element.getText().length === 1 && (e.key === KEYS.BACKSPACE || e.key === KEYS.DELETE);
         },
@@ -356,12 +350,14 @@ var keyEventHandlers = [
 
         }
     },
-    {
+    { // enter on an empty list item - creates paragraph after list
         applies: function(e, s) {
             var parent = s.element && s.element.wlxmlNode.parent(),
                 parentIsItem = parent && parent.is('item'),
-                itemIsOnList = parent && parent.parent() && parent.parent().is('list');
-            return s.type === 'caret' && e.key === KEYS.ENTER && s.element.isEmpty() && parentIsItem && itemIsOnList;
+                itemIsOnList = parent && parent.parent() && parent.parent().is('list'),
+                onlyChild = parent.contents().length === 1;
+            return s.type === 'caret' && e.key === KEYS.ENTER && s.element.isEmpty() && onlyChild &&
+                parentIsItem && itemIsOnList;
         },
         run: function(e, s) {
             var item = s.element.wlxmlNode.parent(),
@@ -371,6 +367,9 @@ var keyEventHandlers = [
                 var p = list.after({tagName: 'div', attrs: {'class': 'p'}});
                 p.append({text: ''});
                 item.detach();
+                if(list.contents().length === 0) {
+                    list.detach();
+                }
                 return p;
             }, {
                 success: function(p) {
@@ -379,7 +378,7 @@ var keyEventHandlers = [
             });
         }
     },
-    {
+    { // enter - split node
         applies: function(e, s) {
             return s.type === 'caret' && e.key === KEYS.ENTER && !s.element.parent().isRootElement();
         },
@@ -414,7 +413,7 @@ var keyEventHandlers = [
             s.canvas.setCurrentElement(utils.getElementForNode(goto), gotoOptions);
         }
     },
-    {
+    { // enter - new paragraph after image/video
         applies: function (e, s) {
             return s.type === 'nodeSelection' && e.key === KEYS.ENTER && !s.element.isRootElement();
         },