integration wip: take-away-node command

[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..327b0b0 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/utils.js
+++ b/src/editor/modules/documentCanvas/canvas/utils.js
@@ -19,8 +19,34 @@ var nearestInDocumentOrder = function(selector, direction, element) {
     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,
+    findCanvasElement: findCanvasElement,
+    findCanvasElementInParent: findCanvasElementInParent,
     unicode: {
         ZWS: '\u200B'
     }