some other minor changes from milpeer

[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 3a90a90..924a880 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 = [
 };
 // todo: whileRemoveWholetext
 var keyEventHandlers = [

-    {
+    { // ctrl+x - prevented (?)

         applies: function(e, s) {
             return e.ctrlKey &&
                 e.key === KEYS.X &&
         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'}) &&
         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)});
         }
     },
                 {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) ||
         applies: function(e, s) {
             return s.type === 'caret' && (
                 (s.isAtBeginning() && e.key === KEYS.BACKSPACE) ||


@@ -238,26 +238,27 @@ var keyEventHandlers = [
             );
         },
         run: function(e,s) {
             );
         },
         run: function(e,s) {

-            var direction, caretTo, cursorAtOperationEdge, goto, element;
+            var goto, element;

 
             if(e.key === KEYS.BACKSPACE) {
 
             if(e.key === KEYS.BACKSPACE) {

-                direction = 'above';
-                caretTo = 'end';
-                cursorAtOperationEdge = s.isAtBeginning();

                 element = s.element;
             }
             else {
                 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) {
+            e.preventDefault();
+
+            if(!element) {

                 return;
             }
 
                 return;
             }
 

-            e.preventDefault();
+            var parent = element.wlxmlNode.parent();
+            if(element.wlxmlNode.getIndex() === 0 && parent.isContextRoot() && (!parent.is('item') || parent.getIndex() === 0)) {
+                // Don't even try to do anything at the edge of a context root, except for non-first items
+                // - this is a temporary solution until key events handling get refactored into something more sane.
+                return;
+            }

 
             s.canvas.wlxmlDocument.transaction(function() {
                 if(element.wlxmlNode.getIndex() === 0) {
 
             s.canvas.wlxmlDocument.transaction(function() {
                 if(element.wlxmlNode.getIndex() === 0) {


@@ -276,13 +277,13 @@ 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);
         },
         run: function(e,s) {
             e.preventDefault();
         applies: function(e,s) {
             return s.type === 'caret' && s.element.getText().length === 1 && (e.key === KEYS.BACKSPACE || e.key === KEYS.DELETE);
         },
         run: function(e,s) {
             e.preventDefault();

-            e.element.wlxmlNode.setText('');
+            s.element.wlxmlNode.setText('');

             s.canvas.setCurrentElement(s.element, {caretTo: 0});
         }
     },
             s.canvas.setCurrentElement(s.element, {caretTo: 0});
         }
     },


@@ -341,6 +342,10 @@ var keyEventHandlers = [
             }, {
                 success: function() {
                     if(goto) {
             }, {
                 success: function() {
                     if(goto) {

+                        if(!doc.containsNode(goto.wlxmlNode)) {
+                            goto = s.startElement;
+                            caretTo = s.startOffset;
+                        }

                         s.canvas.setCurrentElement(goto, {caretTo: caretTo});
                     }
                 }
                         s.canvas.setCurrentElement(goto, {caretTo: caretTo});
                     }
                 }


@@ -348,14 +353,49 @@ 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'),
+                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(),
+                list = item.parent();
+            e.preventDefault();
+            s.canvas.wlxmlDocument.transaction(function() {
+                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) {
+                    s.canvas.setCurrentElement(p);
+                }
+            });
+        }
+    },
+    { // enter - split node

         applies: function(e, s) {
             return s.type === 'caret' && e.key === KEYS.ENTER && !s.element.parent().isRootElement();
         },
         run: function(e, s) {
         applies: function(e, s) {
             return s.type === 'caret' && e.key === KEYS.ENTER && !s.element.parent().isRootElement();
         },
         run: function(e, s) {

-            var result, goto, gotoOptions;
+            var parent = s.element.parent(),
+                children = parent.children(),
+                result, goto, gotoOptions;

             void(e);
             e.preventDefault();
             void(e);
             e.preventDefault();

+
+            if(children.length === 1 && s.element.isEmpty()) {
+                return;
+            }
+

             s.canvas.wlxmlDocument.transaction(function() {
                 result = s.element.wlxmlNode.breakContent({offset: s.offset});
             }, {
             s.canvas.wlxmlDocument.transaction(function() {
                 result = s.element.wlxmlNode.breakContent({offset: s.offset});
             }, {


@@ -375,6 +415,28 @@ var keyEventHandlers = [
 
             s.canvas.setCurrentElement(utils.getElementForNode(goto), gotoOptions);
         }
 
             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();
+        },
+        run: function (e, s) {
+            var parent = s.element.parent(),
+                children = parent.children(),
+                result, goto, gotoOptions;
+            e.preventDefault();
+
+            s.canvas.wlxmlDocument.transaction(function() {
+                result = s.element.wlxmlNode.insertNewNode();
+            }, {
+                metadata: {
+                    description: gettext('Inserting node'),
+                    fragment: s.toDocumentFragment()
+                }
+            });
+
+            s.canvas.setCurrentElement(utils.getElementForNode(result), {caretTo: 'start'});
+        }

     }
 ];
 
     }
 ];