editor: styling experiments for aside.gap element

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

diff --git a/src/editor/modules/documentCanvas/canvas/canvas.js b/src/editor/modules/documentCanvas/canvas/canvas.js
index 744ec48..f8e9927 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/canvas.js
+++ b/src/editor/modules/documentCanvas/canvas/canvas.js
@@ -94,6 +94,29 @@ $.extend(Canvas.prototype, {
             canvas.setCurrentElement(canvas.getDocumentElement(e.currentTarget), {caretTo: false});
         });
 
+        this.wrapper.on('paste', function(e) {
+            e.preventDefault();
+
+            var clipboardData = e.originalEvent.clipboardData;
+            if(!clipboardData || !clipboardData.getData) {
+                return; // TODO: alert
+            }
+
+            var text = clipboardData.getData('text/plain').replace(/\r?\n|\r/g, ' '),
+                cursor = canvas.getCursor(),
+                element = cursor.getPosition().element,
+                lhs, rhs;
+            
+            if(element && cursor.isWithinElement()) {
+                lhs = element.getText().substr(0, cursor.getSelectionStart().offset);
+                rhs = element.getText().substr(cursor.getSelectionEnd().offset);
+                element.setText(lhs+text+rhs);
+                canvas.setCurrentElement(element, {caretTo: lhs.length + text.length});
+            } else {
+                /* jshint noempty:false */
+                // TODO: alert
+            }
+        });
 
         /* globals MutationObserver */
         var observer = new MutationObserver(function(mutations) {
@@ -299,6 +322,9 @@ $.extend(Cursor.prototype, {
     isSelectingWithinElement: function() {
         return this.isSelecting() && this.getSelectionStart().element.sameNode(this.getSelectionEnd().element);
     },
+    isWithinElement: function() {
+        return !this.isSelecting() || this.isSelectingWithinElement();
+    },
     isSelectingSiblings: function() {
         return this.isSelecting() && this.getSelectionStart().element.parent().sameNode(this.getSelectionEnd().element.parent());
     },
@@ -331,16 +357,16 @@ $.extend(Cursor.prototype, {
             return {
                 element: anchorElement,
                 offset: selection.anchorOffset,
-                offsetAtBeginning: selection.anchorOffset === 0,
-                offsetAtEnd: selection.anchorNode.data.length === selection.anchorOffset
+                offsetAtBeginning: selection.anchorOffset === 0 || anchorElement.getText() === '',
+                offsetAtEnd: selection.anchorNode.data.length === selection.anchorOffset || anchorElement.getText() === ''
             };
         }
         if(which === 'focus') {
             return {
                 element: focusElement,
                 offset: selection.focusOffset,
-                offsetAtBeginning: selection.focusOffset === 0,
-                offsetAtEnd: selection.focusNode.data.length === selection.focusOffset
+                offsetAtBeginning: selection.focusOffset === 0 || focusElement.getText() === '',
+                offsetAtEnd: selection.focusNode.data.length === selection.focusOffset || focusElement.getText() === '',
             };
         }
         
@@ -388,8 +414,8 @@ $.extend(Cursor.prototype, {
         return {
             element: placeData.element,
             offset: placeData.offset,
-            offsetAtBeginning: placeData.offset === 0,
-            offsetAtEnd: nodeLen === placeData.offset
+            offsetAtBeginning: placeData.offset === 0 || focusElement.getText() === '',
+            offsetAtEnd: nodeLen === placeData.offset || focusElement.getText() === ''
         };
     }
 });