fix several y-xml bugs

src/Struct/Item.js

@@ -87,16 +87,18 @@ export default class Item {
     return this._right
   }
   _delete (y, createDelete = true) {
-    this._deleted = true
-    y.ds.markDeleted(this._id, this._length)
-    if (createDelete) {
-      let del = new Delete()
-      del._targetID = this._id
-      del._length = this._length
-      del._integrate(y, true)
+    if (!this._deleted) {
+      this._deleted = true
+      y.ds.markDeleted(this._id, this._length)
+      if (createDelete) {
+        let del = new Delete()
+        del._targetID = this._id
+        del._length = this._length
+        del._integrate(y, true)
+      }
+      transactionTypeChanged(y, this._parent, this._parentSub)
+      y._transaction.deletedStructs.add(this)
     }
-    transactionTypeChanged(y, this._parent, this._parentSub)
-    y._transaction.deletedStructs.add(this)
   }
   /**
    * This is called right before this struct receives any children.

src/Type/YMap.js

@@ -56,7 +56,7 @@ export default class YMap extends Type {
     this._transact(y => {
       const old = this._map.get(key) || null
       if (old !== null) {
-        if (old instanceof ItemJSON && old._content[0] === value) {
+        if (old.constructor === ItemJSON && !old._deleted && old._content[0] === value) {
           // Trying to overwrite with same value
           // break here
           return value

src/Type/y-xml/YXmlElement.js

@@ -47,6 +47,11 @@ export default class YXmlElement extends YXmlFragment {
       return dom
     }
   }
+  _bindToDom (dom, _document) {
+    _document = _document || document
+    this._dom = dom
+    dom._yxml = this
+  }
   _fromBinary (y, decoder) {
     const missing = super._fromBinary(y, decoder)
     this.nodeName = decoder.readVarString()

src/Type/y-xml/YXmlFragment.js

@@ -101,9 +101,11 @@ export default class YXmlFragment extends YArray {
         } catch (e) {
           console.error(e)
         }
+        /*
         if (this._domObserver !== null) {
           this._domObserver.takeRecords()
         }
+        */
         token = true
       }
     }
@@ -216,9 +218,7 @@ export default class YXmlFragment extends YArray {
     _document = _document || document
     this._dom = dom
     dom._yxml = this
-    // TODO: refine this..
-    if ((this.constructor !== YXmlFragment && this._parent !== this._y) || this._parent === null) {
-      // TODO: only top level YXmlFragment can bind. Also allow YXmlElements..
+    if (this._parent === null) {
       return
     }
     this._y.on('beforeTransaction', beforeTransactionSelectionFixer)
@@ -320,6 +320,9 @@ export default class YXmlFragment extends YArray {
               }
             })
             for (let dom of diffChildren) {
+              if (dom.yOnChildrenChanged !== undefined) {
+                dom.yOnChildrenChanged()
+              }
               if (dom._yxml != null && dom._yxml !== false) {
                 applyChangesFromDom(dom)
               }