Preventing browser from removing node when last character gets deleted via backspace

[fnpeditor.git] / modules / documentCanvas / documentCanvas.js

diff --git a/modules/documentCanvas/documentCanvas.js b/modules/documentCanvas/documentCanvas.js
index f8c21ed..4e61b88 100644 (file)
--- a/modules/documentCanvas/documentCanvas.js
+++ b/modules/documentCanvas/documentCanvas.js
@@ -14,6 +14,7 @@ return function(sandbox) {
         node: $(_.template(template)()),\r
         currentNode: null,\r
         shownAlready: false,\r
+        scrollbarPosition: 0,\r
         setup: function() {\r
             var view = this;\r
 \r
@@ -50,6 +51,15 @@ return function(sandbox) {
                     e.preventDefault();\r
                     view.insertNewNode(null, null);\r
                 }\r
+                if(e.which === 8) {\r
+                    var anchor = window.getSelection().anchorNode;\r
+                    var len = anchor.length;\r
+                    console.log(len);\r
+                    if(len === 1) {\r
+                        e.preventDefault();\r
+                        $(anchor).parent().text('');\r
+                    }\r
+                }\r
             });\r
                       \r
             this.node.onShow = function() {\r
@@ -58,8 +68,12 @@ return function(sandbox) {
                     view.selectFirstNode();\r
                 } else if(view.currentNode) {\r
                     view.movecaretToNode(view.getNodeElement(view.currentNode));\r
+                    view.node.find('#rng-module-documentCanvas-contentWrapper').scrollTop(view.scrollbarPosition);\r
                 }\r
             };\r
+            this.node.onHide = function() {\r
+                view.scrollbarPosition = view.node.find('#rng-module-documentCanvas-contentWrapper').scrollTop();\r
+            }\r
                       \r
             this.gridToggled = false;\r
         },\r