integration wip: restoring document

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

diff --git a/src/editor/modules/documentCanvas/canvas/utils.js b/src/editor/modules/documentCanvas/canvas/utils.js
index 0eb19d0..9f5ee46 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/utils.js
+++ b/src/editor/modules/documentCanvas/canvas/utils.js
@@ -10,6 +10,7 @@ var nearestInDocumentOrder = function(selector, direction, element) {
         parent = parents.length ? $(parents[parents.length-1]) : element;
 
     var adj = parent.find(selector).filter(function() {
         parent = parents.length ? $(parents[parents.length-1]) : element;
 
     var adj = parent.find(selector).filter(function() {

+        /*jshint bitwise: false*/

         return this.compareDocumentPosition(element) & (direction === 'above' ? Node.DOCUMENT_POSITION_FOLLOWING : Node.DOCUMENT_POSITION_PRECEDING);
     });
 
         return this.compareDocumentPosition(element) & (direction === 'above' ? Node.DOCUMENT_POSITION_FOLLOWING : Node.DOCUMENT_POSITION_PRECEDING);
     });
 


@@ -17,10 +18,37 @@ var nearestInDocumentOrder = function(selector, direction, element) {
         return adj[direction === 'above' ? adj.length-1 : 0];
     }
     return null;
         return adj[direction === 'above' ? adj.length-1 : 0];
     }
     return null;

-}
+};
+
+var findCanvasElement = function(node) {
+    if(node.nodeType === Node.ELEMENT_NODE) {
+        return node.getData('canvasElement');
+    }
+    if(node.nodeType === Node.TEXT_NODE) {
+        return findCanvasElementInParent(node, node.parent());
+    }
+};
+
+/**
+ * We take child and its parent as arguments separatly to
+ * handle situation where child was removed from WLXMLDocument
+ * and it lost reference to its parent (but we may still have it on canvas).
+*/
+var findCanvasElementInParent = function(wlxmlChildNode, wlxmlParentNode) {
+    var parentElement = findCanvasElement(wlxmlParentNode),
+        toret;
+    parentElement.children().forEach(function(child) {
+        if(child.data('wlxmlNode').sameNode(wlxmlChildNode)) {
+            toret = child;
+        }
+    });
+    return toret;
+};

 
 return {
     nearestInDocumentOrder: nearestInDocumentOrder,
 
 return {
     nearestInDocumentOrder: nearestInDocumentOrder,

+    findCanvasElement: findCanvasElement,
+    findCanvasElementInParent: findCanvasElementInParent,

     unicode: {
         ZWS: '\u200B'
     }
     unicode: {
         ZWS: '\u200B'
     }