X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/471fbe0d1628d3f2baabd39e02a4e58f7d9bca5c..87b603a0cc0a310b8166d8126e84259096a7a83d:/src/smartxml/core.js

diff --git a/src/smartxml/core.js b/src/smartxml/core.js
index 17af8ac..a2d39a6 100644
--- a/src/smartxml/core.js
+++ b/src/smartxml/core.js
@@ -13,7 +13,7 @@ var INSERTION = function(implementation) {
             nodeParent,
             returned;
         options = options || {};
-        if(!(this.document.containsNode(this))) {
+        if(!(this.document.containsNode(this)) || !insertion.isNew) {
             nodeParent = insertion.ofNode.parent();
         }
         returned = implementation.call(this, insertion.ofNode);
@@ -27,9 +27,16 @@ var INSERTION = function(implementation) {
 
 var documentNodeTransformations = {
     detach: function() {
-        var parent = this.parent();
+        var parent = this.parent(),
+            existed = this.document.containsNode(this);
         this._$.detach();
-        this.triggerChangeEvent('nodeDetached', {parent: parent});
+        if(existed) {
+            this.triggerChangeEvent('nodeDetached', {parent: parent});
+            if(!parent) {
+                // This was the root of the document
+                this.document._defineDocumentProperties(null);
+            }
+        }
         return this;
     },
 
@@ -38,15 +45,19 @@ var documentNodeTransformations = {
         if(this.isRoot()) {
             return this.document.replaceRoot(node);
         }
-        toret = this.after(node);
-        this.detach();
-        return toret;
+        if(this.parent()) {
+            toret = this.after(node);
+            this.detach();
+            return toret;
+        }
+        throw new Error('Cannot replace node without a parent.');
     },
 
     after: INSERTION(function(node) {
         var next = this.next();
         if(next && next.nodeType === Node.TEXT_NODE && node.nodeType === Node.TEXT_NODE) {
             next.setText(node.getText() + next.getText());
+            node.detach();
             return next;
         }
         this._$.after(node.nativeNode);
@@ -57,6 +68,7 @@ var documentNodeTransformations = {
         var prev = this.prev();
         if(prev && prev.nodeType === Node.TEXT_NODE && node.nodeType === Node.TEXT_NODE) {
             prev.setText(prev.getText() + node.getText());
+            node.detach();
             return prev;
         }
         this._$.before(node.nativeNode);
@@ -65,8 +77,9 @@ var documentNodeTransformations = {
 
     wrapWith: function(node) {
         var insertion = this.getNodeInsertion(node);
-        if(this.parent()) {
-            this.before(insertion.ofNode);
+
+        if(this.parent() || this.isRoot()) {
+            this.replaceWith(insertion.ofNode);
         }
         insertion.ofNode.append(this);
         return insertion.ofNode;
@@ -135,6 +148,7 @@ var elementNodeTransformations = {
         var last = _.last(this.contents());
         if(last && last.nodeType === Node.TEXT_NODE && node.nodeType === Node.TEXT_NODE) {
             last.setText(last.getText() + node.getText());
+            node.detach();
             return last;
         } else {
             this._$.append(node.nativeNode);
@@ -146,6 +160,7 @@ var elementNodeTransformations = {
         var first = this.contents()[0];
         if(first && first.nodeType === Node.TEXT_NODE && node.nodeType === Node.TEXT_NODE) {
             first.setText(node.getText() + first.getText());
+            node.detach();
             return first;
         } else {
             this._$.prepend(node.nativeNode);
@@ -216,6 +231,7 @@ var textNodeTransformations = {
     before: INSERTION(function(node) {
         if(node.nodeType === Node.TEXT_NODE) {
             this.prependText(node.getText());
+            node.detach();
             return this;
         } else {
             return this.__super__.before(node, {silent:true});
@@ -225,12 +241,28 @@ var textNodeTransformations = {
     after: INSERTION(function(node) {
         if(node.nodeType === Node.TEXT_NODE) {
             this.appendText(node.getText());
+            node.detach();
             return this;
         } else {
             return this.__super__.after(node, {silent:true});
         }
     }),
 
+    append: function(node) {
+        if(node.nodeType === Node.TEXT_NODE) {
+            this.appendText(node.getText());
+            node.detach();
+            return this;
+        }
+    },
+    prepend: function(node) {
+        if(node.nodeType === Node.TEXT_NODE) {
+            this.prependText(node.getText());
+            node.detach();
+            return this;
+        }
+    },
+
     appendText: function(text) {
         this.nativeNode.data = this.nativeNode.data + text;
         this.triggerTextChangeEvent();
@@ -407,6 +439,59 @@ var documentTransformations = {
         this._defineDocumentProperties(insertion.ofNode._$);
         insertion.ofNode.triggerChangeEvent('nodeAdded');
         return insertion.ofNode;
+    },
+    deleteText: function(params) {
+        var ptr, next, toDetach, middle, text;
+
+        if(params.from.node.sameNode(params.to.node)) {
+            ptr = params.from.node;
+            text = ptr.getText();
+            ptr.setText(text.substr(0, params.from.offset) + text.substr(params.to.offset));
+            return;
+        }
+
+        // Both edge text nodes need to be edited before anything else happen in case that
+        // they get merged when detaching content between them.
+        params.from.node.setText(params.from.node.getText().substr(0, params.from.offset));
+        params.to.node.setText(params.to.node.getText().substr(params.to.offset));
+
+        ptr = params.from.node;
+        next = ptr.next();
+
+        while(next || ptr.parent()) {
+            if(next) {
+                if(next.sameNode(params.to.node)) {
+                    return;
+                }
+                else if(next.nodeType === Node.ELEMENT_NODE && next.containsNode(params.to.node)) {
+                    middle = next;
+                    break;
+                } else {
+                    toDetach = next;
+                    next = next.next();
+                    toDetach.detach();
+                }
+            } else {
+                ptr = ptr.parent();
+                next = ptr.next();
+            }
+        }
+
+        if(!this.containsNode(params.to.node)) {
+            // The end node was merged during detaching nodes above - there is nothing more left to do.
+            return;
+        }
+
+        ptr = middle.contents()[0];
+        while(ptr && !ptr.sameNode(params.to.node)) {
+            if(ptr.nodeType === Node.ELEMENT_NODE && ptr.containsNode(params.to.node)) {
+                ptr = ptr.contents()[0];
+                continue;
+            } else {
+                ptr = ptr.next();
+                ptr.prev().detach();
+            }
+        }
     }
 };