Fix: Do not set text on canvas element if it didn't change.

[fnpeditor.git] / src / smartxml / smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 0a1a354..e3c831d 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -6,7 +6,7 @@ define([
 ], function($, _, Backbone, events) {
     
 'use strict';
-
+/* globals Node */
 
 var TEXT_NODE = Node.TEXT_NODE;
 
@@ -36,6 +36,30 @@ $.extend(DocumentNode.prototype, {
         this._$ = $(nativeNode);
     },
 
+    clone: function() {
+        return this.document.createDocumentNode(this._$.clone(true, true)[0]);
+    },
+
+    getPath: function(ancestor) {
+        var nodePath = [this].concat(this.parents()),
+            toret, idx;
+        ancestor = ancestor || this.document.root;
+
+        nodePath.some(function(node, i) {
+            if(node.sameNode(ancestor)) {
+                idx = i;
+                return true;
+            }
+        });
+
+        if(idx !== 'undefined') {
+            nodePath = nodePath.slice(0, idx);
+        }
+        toret = nodePath.map(function(node) {return node.getIndex(); });
+        toret.reverse();
+        return toret;
+    },
+
     isRoot: function() {
         return this.document.root.sameNode(this);
     },
@@ -47,8 +71,18 @@ $.extend(DocumentNode.prototype, {
         return this;
     },
 
+    replaceWith: function(node) {
+        var toret;
+        if(this.isRoot()) {
+            return this.document.replaceRoot(node);
+        }
+        toret = this.after(node);
+        this.detach();
+        return toret;
+    },
+
     sameNode: function(otherNode) {
-        return otherNode && this.nativeNode === otherNode.nativeNode;
+        return !!(otherNode) && this.nativeNode === otherNode.nativeNode;
     },
 
     parent: function() {
@@ -129,15 +163,7 @@ $.extend(DocumentNode.prototype, {
     },
     
     getNodeInsertion: function(node) {
-        var insertion = {};
-        if(node instanceof DocumentNode) {
-            insertion.ofNode = node;
-            insertion.insertsNew = !this.document.containsNode(node);
-        } else {
-          insertion.ofNode = this.document.createDocumentNode(node);
-          insertion.insertsNew = true;
-        }
-        return insertion;
+        return this.document.getNodeInsertion(node);
     },
 
     getIndex: function() {
@@ -158,7 +184,7 @@ $.extend(ElementNode.prototype, {
 
     detach: function() {
         var next;
-        if(parent && this.isSurroundedByTextElements()) {
+        if(this.parent() && this.isSurroundedByTextElements()) {
             next = this.next();
             this.prev().appendText(next.getText());
             next.detach();
@@ -246,6 +272,15 @@ $.extend(ElementNode.prototype, {
         this._$.prepend(nativeNode);
     }),
 
+    insertAtIndex: function(nativeNode, index) {
+        var contents = this.contents();
+        if(index < contents.length) {
+            return contents[index].before(nativeNode);
+        } else if(index === contents.length) {
+            return this.append(nativeNode);
+        }
+    },
+
     unwrapContent: function() {
         var parent = this.parent();
         if(!parent) {
@@ -351,6 +386,44 @@ $.extend(TextNode.prototype, {
         }
     },
 
+    split: function(params) {
+        var parentElement = this.parent(),
+            passed = false,
+            succeedingChildren = [],
+            prefix = this.getText().substr(0, params.offset),
+            suffix = this.getText().substr(params.offset);
+
+        parentElement.contents().forEach(function(child) {
+            if(passed) {
+                succeedingChildren.push(child);
+            }
+            if(child.sameNode(this)) {
+                passed = true;
+            }
+        }.bind(this));
+
+        if(prefix.length > 0) {
+            this.setText(prefix);
+        }
+        else {
+            this.detach();
+        }
+
+        var attrs = {};
+        parentElement.getAttrs().forEach(function(attr) {attrs[attr.name] = attr.value; });
+        var newElement = this.document.createDocumentNode({tagName: parentElement.getTagName(), attrs: attrs});
+        parentElement.after(newElement);
+
+        if(suffix.length > 0) {
+            newElement.append({text: suffix});
+        }
+        succeedingChildren.forEach(function(child) {
+            newElement.append(child);
+        });
+
+        return {first: parentElement, second: newElement};
+    },
+
     triggerTextChangeEvent: function() {
         var event = new events.ChangeEvent('nodeTextChange', {node: this});
         this.document.trigger('change', event);
@@ -359,7 +432,7 @@ $.extend(TextNode.prototype, {
 
 
 var parseXML = function(xml) {
-    return $(xml)[0];
+    return $($.trim(xml))[0];
 };
 
 var Document = function(xml) {
@@ -373,6 +446,7 @@ $.extend(Document.prototype, Backbone.Events, {
     createDocumentNode: function(from) {
         if(!(from instanceof Node)) {
             if(from.text !== undefined) {
+                /* globals document */
                 from = document.createTextNode(from.text);
             } else {
                 var node = $('<' + from.tagName + '>');
@@ -410,17 +484,17 @@ $.extend(Document.prototype, Backbone.Events, {
     },
 
     wrapNodes: function(params) {
-        if(!(params.element1.parent().sameNode(params.element2.parent()))) {
+        if(!(params.node1.parent().sameNode(params.node2.parent()))) {
             throw new Error('Wrapping non-sibling nodes not supported.');
         }
 
-        var parent = params.element1.parent(),
+        var parent = params.node1.parent(),
             parentContents = parent.contents(),
             wrapper = this.createDocumentNode({
                 tagName: params._with.tagName,
                 attrs: params._with.attrs}),
-            idx1 = parent.indexOf(params.element1),
-            idx2 = parent.indexOf(params.element2);
+            idx1 = parent.indexOf(params.node1),
+            idx2 = parent.indexOf(params.node2);
 
         if(idx1 > idx2) {
             var tmp = idx1;
@@ -517,6 +591,26 @@ $.extend(Document.prototype, Backbone.Events, {
     trigger: function() {
         //console.log('trigger: ' + arguments[0] + (arguments[1] ? ', ' + arguments[1].type : ''));
         Backbone.Events.trigger.apply(this, arguments);
+    },
+
+    getNodeInsertion: function(node) {
+        var insertion = {};
+        if(node instanceof DocumentNode) {
+            insertion.ofNode = node;
+            insertion.insertsNew = !this.containsNode(node);
+        } else {
+          insertion.ofNode = this.createDocumentNode(node);
+          insertion.insertsNew = true;
+        }
+        return insertion;
+    },
+
+    replaceRoot: function(node) {
+        var insertion = this.getNodeInsertion(node);
+        this.root.detach();
+        defineDocumentProperties(this, insertion.ofNode._$);
+        insertion.ofNode.triggerChangeEvent('nodeAdded');
+        return insertion.ofNode;
     }
 });
 
@@ -531,7 +625,7 @@ var defineDocumentProperties = function(doc, $document) {
 
 return {
     documentFromXML: function(xml) {
-        return new Document(parseXML(xml));
+        return new Document(xml);
     },
 
     elementNodeFromXML: function(xml) {