canvas: data method extracted to DocumentElement for exposure in DocumentTextElement

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

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index ffbe4c2..e3c831d 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -6,11 +6,21 @@ define([
 ], function($, _, Backbone, events) {
     
 'use strict';
 ], function($, _, Backbone, events) {
     
 'use strict';

-
+/* globals Node */

 
 var TEXT_NODE = Node.TEXT_NODE;
 
 
 
 var TEXT_NODE = Node.TEXT_NODE;
 
 

+var INSERTION = function(implementation) {
+    var toret = function(node) {
+        var insertion = this.getNodeInsertion(node);
+        implementation.call(this, insertion.ofNode.nativeNode);
+        this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
+        return insertion.ofNode;
+    };
+    return toret;
+};
+

 var DocumentNode = function(nativeNode, document) {
     if(!document) {
         throw new Error('undefined document for a node');
 var DocumentNode = function(nativeNode, document) {
     if(!document) {
         throw new Error('undefined document for a node');


@@ -26,6 +36,34 @@ $.extend(DocumentNode.prototype, {
         this._$ = $(nativeNode);
     },
 
         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);
+    },
+

     detach: function() {
         var parent = this.parent();
         this._$.detach();
     detach: function() {
         var parent = this.parent();
         this._$.detach();


@@ -33,14 +71,24 @@ $.extend(DocumentNode.prototype, {
         return this;
     },
 
         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) {
     sameNode: function(otherNode) {

-        return otherNode && this.nativeNode === otherNode.nativeNode;
+        return !!(otherNode) && this.nativeNode === otherNode.nativeNode;

     },
 
     parent: function() {
         var parentNode = this.nativeNode.parentNode;
         if(parentNode && parentNode.nodeType === Node.ELEMENT_NODE) {
     },
 
     parent: function() {
         var parentNode = this.nativeNode.parentNode;
         if(parentNode && parentNode.nodeType === Node.ELEMENT_NODE) {

-            return this.document.createElementNode(parentNode);
+            return this.document.createDocumentNode(parentNode);

         }
         return null;
     },
         }
         return null;
     },


@@ -54,48 +102,74 @@ $.extend(DocumentNode.prototype, {
         return parents;
     },
 
         return parents;
     },
 

-    after: function(node) {
-        var insertion = this.getNodeInsertion(node);
-        this._$.after(insertion.ofNode.nativeNode);
-        this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
-        return insertion.ofNode;
+    prev: function() {
+        var myIdx = this.getIndex();
+        return myIdx > 0 ? this.parent().contents()[myIdx-1] : null;

     },
 
     },
 

-    before: function(node) {
-        var insertion = this.getNodeInsertion(node);
-        this._$.before(insertion.ofNode.nativeNode);
-        this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
-        return insertion.ofNode;
+    next: function() {
+        if(this.isRoot()) {
+            return null;
+        }
+        var myIdx = this.getIndex(),
+            parentContents = this.parent().contents();
+        return myIdx < parentContents.length - 1 ? parentContents[myIdx+1] : null;

     },
 
     },
 

-    wrapWith: function(node) {
-        node = node instanceof ElementNode ? node : this.document.createElementNode(node);
+    isSurroundedByTextElements: function() {
+        var prev = this.prev(),
+            next = this.next();
+        return prev && (prev.nodeType === Node.TEXT_NODE) && next && (next.nodeType === Node.TEXT_NODE);
+    },

 
 

+    after: INSERTION(function(nativeNode) {
+        return this._$.after(nativeNode);
+    }),
+
+    before: INSERTION(function(nativeNode) {
+        return this._$.before(nativeNode);
+    }),
+
+    wrapWith: function(node) {
+        var insertion = this.getNodeInsertion(node);

         if(this.parent()) {
         if(this.parent()) {

-            this.before(node);
+            this.before(insertion.ofNode);
+        }
+        insertion.ofNode.append(this);
+        return insertion.ofNode;
+    },
+
+    /**
+    * Removes parent of a node if node has no siblings.
+    */
+    unwrap: function() {
+        if(this.isRoot()) {
+            return;
+        }
+        var parent = this.parent(),
+            grandParent;
+        if(parent.contents().length === 1) {
+            grandParent = parent.parent();
+            parent.unwrapContent();
+            return grandParent;

         }
         }

-        node.append(this);
-        return node;

     },
 
     triggerChangeEvent: function(type, metaData) {
         var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));
     },
 
     triggerChangeEvent: function(type, metaData) {
         var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));

-        this.document.trigger('change', event);
+        if(type === 'nodeDetached' || this.document.containsNode(event.meta.node)) {
+            this.document.trigger('change', event);
+        }

     },
     
     getNodeInsertion: function(node) {
     },
     
     getNodeInsertion: function(node) {

-        var insertion = {};
-        if(node instanceof DocumentNode) {
-            insertion.ofNode = node;
-            insertion.insertsNew = !this.document.containsNode(node);
-        } else {
-          insertion.ofNode = this.document.createElementNode(node);
-          insertion.insertsNew = true;
-        }
-        return insertion;
+        return this.document.getNodeInsertion(node);

     },
 
     getIndex: function() {
     },
 
     getIndex: function() {

+        if(this.isRoot()) {
+            return 0;
+        }

         return this.parent().indexOf(this);
     }
 });
         return this.parent().indexOf(this);
     }
 });


@@ -108,6 +182,16 @@ ElementNode.prototype = Object.create(DocumentNode.prototype);
 $.extend(ElementNode.prototype, {
     nodeType: Node.ELEMENT_NODE,
 
 $.extend(ElementNode.prototype, {
     nodeType: Node.ELEMENT_NODE,
 

+    detach: function() {
+        var next;
+        if(this.parent() && this.isSurroundedByTextElements()) {
+            next = this.next();
+            this.prev().appendText(next.getText());
+            next.detach();
+        }
+        return DocumentNode.prototype.detach.call(this);
+    },
+

     setData: function(key, value) {
         if(value !== undefined) {
             this._$.data(key, value);
     setData: function(key, value) {
         if(value !== undefined) {
             this._$.data(key, value);


@@ -132,12 +216,7 @@ $.extend(ElementNode.prototype, {
         var toret = [],
             document = this.document;
         this._$.contents().each(function() {
         var toret = [],
             document = this.document;
         this._$.contents().each(function() {

-            if(this.nodeType === Node.ELEMENT_NODE) {
-                toret.push(document.createElementNode(this));
-            }
-            else if(this.nodeType === Node.TEXT_NODE) {
-                toret.push(document.createTextNode(this));
-            }
+            toret.push(document.createDocumentNode(this));

         });
         return toret;
     },
         });
         return toret;
     },


@@ -147,7 +226,7 @@ $.extend(ElementNode.prototype, {
     },
 
     setTag: function(tagName) {
     },
 
     setTag: function(tagName) {

-        var node = this.document.createElementNode({tagName: tagName}),
+        var node = this.document.createDocumentNode({tagName: tagName}),

             oldTagName = this.getTagName(),
             myContents = this._$.contents();
 
             oldTagName = this.getTagName(),
             myContents = this._$.contents();
 


@@ -185,18 +264,21 @@ $.extend(ElementNode.prototype, {
         return toret;
     },
 
         return toret;
     },
 

-    append: function(node) {
-        var insertion = this.getNodeInsertion(node);
-        this._$.append(insertion.ofNode.nativeNode);
-        this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
-        return insertion.ofNode;
-    },
+    append: INSERTION(function(nativeNode) {
+        this._$.append(nativeNode);
+    }),

 
 

-    prepend: function(node) {
-        var insertion = this.getNodeInsertion(node);
-        this._$.prepend(insertion.ofNode.nativeNode);
-        this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
-        return insertion.ofNode;
+    prepend: INSERTION(function(nativeNode) {
+        this._$.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() {
     },
 
     unwrapContent: function() {


@@ -205,18 +287,20 @@ $.extend(ElementNode.prototype, {
             return;
         }
 
             return;
         }
 

-        var parentContents = parent.contents(),
-            myContents = this.contents(),
+        var myContents = this.contents(),

             myIdx = parent.indexOf(this);
 
             myIdx = parent.indexOf(this);
 

+

         if(myContents.length === 0) {
             return this.detach();
         }
 
         if(myContents.length === 0) {
             return this.detach();
         }
 

-        var moveLeftRange, moveRightRange, leftMerged;
+        var prev = this.prev(),
+            next = this.next(),
+            moveLeftRange, moveRightRange, leftMerged;

 
 

-        if(myIdx > 0 && (parentContents[myIdx-1].nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
-            parentContents[myIdx-1].appendText(myContents[0].getText());
+        if(prev && (prev.nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
+            prev.appendText(myContents[0].getText());

             myContents[0].detach();
             moveLeftRange = true;
             leftMerged = true;
             myContents[0].detach();
             moveLeftRange = true;
             leftMerged = true;


@@ -225,9 +309,10 @@ $.extend(ElementNode.prototype, {
         }
 
         if(!(leftMerged && myContents.length === 1)) {
         }
 
         if(!(leftMerged && myContents.length === 1)) {

-            if(myIdx < parentContents.length - 1 && (parentContents[myIdx+1].nodeType === TEXT_NODE) && (myContents[myContents.length-1].nodeType === TEXT_NODE)) {
-                parentContents[myIdx+1].prependText(myContents[myContents.length-1].getText());
-                myContents[myContents.length-1].detach();
+            var lastContents = _.last(myContents);
+            if(next && (next.nodeType === TEXT_NODE) && (lastContents.nodeType === TEXT_NODE)) {
+                next.prependText(lastContents.getText());
+                lastContents.detach();

                 moveRightRange = true;
             }
         }
                 moveRightRange = true;
             }
         }


@@ -301,6 +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);
     triggerTextChangeEvent: function() {
         var event = new events.ChangeEvent('nodeTextChange', {node: this});
         this.document.trigger('change', event);


@@ -309,7 +432,7 @@ $.extend(TextNode.prototype, {
 
 
 var parseXML = function(xml) {
 
 
 var parseXML = function(xml) {

-    return $(xml)[0];
+    return $($.trim(xml))[0];

 };
 
 var Document = function(xml) {
 };
 
 var Document = function(xml) {


@@ -320,9 +443,10 @@ $.extend(Document.prototype, Backbone.Events, {
     ElementNodeFactory: ElementNode,
     TextNodeFactory: TextNode,
 
     ElementNodeFactory: ElementNode,
     TextNodeFactory: TextNode,
 

-    createElementNode: function(from) {
-        if(!(from instanceof HTMLElement)) {
-            if(from.text) {
+    createDocumentNode: function(from) {
+        if(!(from instanceof Node)) {
+            if(from.text !== undefined) {
+                /* globals document */

                 from = document.createTextNode(from.text);
             } else {
                 var node = $('<' + from.tagName + '>');
                 from = document.createTextNode(from.text);
             } else {
                 var node = $('<' + from.tagName + '>');


@@ -343,10 +467,6 @@ $.extend(Document.prototype, Backbone.Events, {
         return new Factory(from, this);
     },
 
         return new Factory(from, this);
     },
 

-    createTextNode: function(nativeNode) {
-        return new this.TextNodeFactory(nativeNode, this);
-    },
-

     loadXML: function(xml, options) {
         options = options || {};
         defineDocumentProperties(this, $(parseXML(xml)));
     loadXML: function(xml, options) {
         options = options || {};
         defineDocumentProperties(this, $(parseXML(xml)));


@@ -360,21 +480,21 @@ $.extend(Document.prototype, Backbone.Events, {
     },
 
     containsNode: function(node) {
     },
 
     containsNode: function(node) {

-        return node._$.parents().index(this.root._$) !== -1;
+        return this.root && (node.nativeNode === this.root.nativeNode || node._$.parents().index(this.root._$) !== -1);

     },
 
     wrapNodes: function(params) {
     },
 
     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.');
         }
 
             throw new Error('Wrapping non-sibling nodes not supported.');
         }
 

-        var parent = params.element1.parent(),
+        var parent = params.node1.parent(),

             parentContents = parent.contents(),
             parentContents = parent.contents(),

-            wrapper = this.createElementNode({
+            wrapper = this.createDocumentNode({

                 tagName: params._with.tagName,
                 attrs: params._with.attrs}),
                 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;
 
         if(idx1 > idx2) {
             var tmp = idx1;


@@ -440,7 +560,7 @@ $.extend(Document.prototype, Backbone.Events, {
             throw new Error('Wrapping text in non-sibling text nodes not supported.');
         }
         
             throw new Error('Wrapping text in non-sibling text nodes not supported.');
         }
         

-        var wrapperElement = this.createElementNode({tagName: params._with.tagName, attrs: params._with.attrs});
+        var wrapperElement = this.createDocumentNode({tagName: params._with.tagName, attrs: params._with.attrs});

         textNode1.after(wrapperElement);
         textNode1.detach();
         
         textNode1.after(wrapperElement);
         textNode1.detach();
         


@@ -471,12 +591,32 @@ $.extend(Document.prototype, Backbone.Events, {
     trigger: function() {
         //console.log('trigger: ' + arguments[0] + (arguments[1] ? ', ' + arguments[1].type : ''));
         Backbone.Events.trigger.apply(this, arguments);
     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;

     }
 });
 
 var defineDocumentProperties = function(doc, $document) {
     Object.defineProperty(doc, 'root', {get: function() {
     }
 });
 
 var defineDocumentProperties = function(doc, $document) {
     Object.defineProperty(doc, 'root', {get: function() {

-        return doc.createElementNode($document[0]);
+        return doc.createDocumentNode($document[0]);

     }, configurable: true});
     Object.defineProperty(doc, 'dom', {get: function() {
         return $document[0];
     }, configurable: true});
     Object.defineProperty(doc, 'dom', {get: function() {
         return $document[0];


@@ -485,7 +625,7 @@ var defineDocumentProperties = function(doc, $document) {
 
 return {
     documentFromXML: function(xml) {
 
 return {
     documentFromXML: function(xml) {

-        return new Document(parseXML(xml));
+        return new Document(xml);

     },
 
     elementNodeFromXML: function(xml) {
     },
 
     elementNodeFromXML: function(xml) {