return null;
};
-var findCanvasElement = function(node, childOf) {
- if(node.nodeType === Node.ELEMENT_NODE) {
- return node.getData('canvasElement');
- }
+
+var getElementForNode = function(node, withParent) {
if(node.nodeType === Node.TEXT_NODE) {
- return findCanvasElementInParent(node, childOf || node.parent());
+ return _getElementForTextNode(node, withParent);
+ }
+ while(!node.getData('canvasElement')) {
+ node = node.parent();
}
+ return node.getData('canvasElement');
};
-/**
- * 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, toret;
-
- if(wlxmlParentNode === null) {
- toret = wlxmlChildNode.getData('canvasElement');
- if(toret.parent()) {
- throw new Error('This should never happen: root canvas element doesn\'t render root document node!');
+var _getElementForTextNode = function(textNode, withParent) {
+ var parentElement = getElementForNode(withParent || textNode.parent()),
+ toret;
+ parentElement.children().some(function(child) {
+ if(child.wlxmlNode.sameNode(textNode)) {
+ toret = child;
+ return true;
}
- } else {
- parentElement = findCanvasElement(wlxmlParentNode);
- parentElement.children().forEach(function(child) {
- if(child.wlxmlNode.sameNode(wlxmlChildNode)) { // czemu tu, przy drugim undo child nie mial data?
- toret = child;
- }
- });
- }
+ });
return toret;
};
-var getElementForNode = function(node) {
-
- var ptr = node.nodeType === Node.TEXT_NODE ? node.parent() : node;
- while(!ptr.getData('canvasElement')) {
- ptr = ptr.parent();
- }
- return ptr.getData('canvasElement');
-};
-
var getElementForDetachedNode = function(node, originalParent) {
var ptr = originalParent;
if(ptr === null) {
return ptr.getData('canvasElement');
};
+
+
return {
nearestInDocumentOrder: nearestInDocumentOrder,
- findCanvasElement: findCanvasElement,
- findCanvasElementInParent: findCanvasElementInParent,
unicode: {
ZWS: '\u200B'
},