wlxml: stop triggering contentSet event twice

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

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index e996f76..b81b0f0 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -1,32 +1,281 @@
 define([
 define([

-    'libs/jquery'
-], function($) {
+    'libs/jquery',
+    'libs/underscore',
+    'libs/backbone',
+    'smartxml/events'
+], function($, _, Backbone, events) {

     
 'use strict';
 
 
     
 'use strict';
 
 

-var Document = function(xml) {
-    var $document = $(xml);
+var TEXT_NODE = Node.TEXT_NODE;
+
+
+var DocumentNode = function(nativeNode, document) {
+    if(!document) {
+        throw new Error('undefined document for a node');
+    }
+    this.document = document;
+    this._setNativeNode(nativeNode);
+
+};
+
+$.extend(DocumentNode.prototype, {
+    _setNativeNode: function(nativeNode) {
+        this.nativeNode = nativeNode;
+        this._$ = $(nativeNode);
+    },
+
+    detach: function() { this._$.detach(); },
+
+    sameNode: function(otherNode) {
+        return this.nativeNode === otherNode.nativeNode;
+    },
+
+    parent: function() {
+        return this.nativeNode.parentNode ? this.document.createElementNode(this.nativeNode.parentNode) : null;
+    },
+
+    before: function(node) {
+        this._$.before(node.nativeNode);
+    },
+
+    wrapWith: function(node) {
+        if(this.parent()) {
+            this.before(node);
+        }
+        node.append(this);
+    },
+
+    triggerChangeEvent: function(type, metaData) {
+        var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));
+        this.document.trigger('change', event);
+    },
+});
+
+var ElementNode = function(nativeNode, document) {
+    DocumentNode.call(this, nativeNode, document);
+};
+
+$.extend(ElementNode.prototype, DocumentNode.prototype, {
+    nodeType: Node.ELEMENT_NODE,
+
+    setData: function(key, value) {
+        if(value !== undefined) {
+            this._$.data(key, value);
+        } else {
+            this._$.removeData(_.keys(this._$.data()));
+            this._$.data(key);
+        }
+    },
+
+    getData: function(key) {
+        if(key) {
+            return this._$.data(key);
+        }
+        return this._$.data();
+    },
+
+    getTagName: function() {
+        return this.nativeNode.tagName.toLowerCase();
+    },
+
+    contents: function() {
+        var toret = [],
+            document = this.document;
+        this._$.contents().each(function() {
+            if(this.nodeType === Node.ELEMENT_NODE) {
+                toret.push(document.createElementNode(this));
+            }
+            else if(this.nodeType === Node.TEXT_NODE) {
+                toret.push(document.createTextNode(this));
+            }
+        });
+        return toret;
+    },
+
+    indexOf: function(node) {
+        return this._$.contents().index(node._$);
+    },
+
+    setTag: function(tagName) {
+        var node = this.document.createElementNode({tagName: tagName}),
+            oldTagName = this.getTagName(),
+            myContents = this._$.contents();
+
+        this.getAttrs().forEach(function(attribute) {
+            node.setAttr(attribute.name, attribute.value, true);
+        });
+        node.setData(this.getData());
+
+        if(this.sameNode(this.document.root)) {
+            defineDocumentProperties(this.document, node._$);
+        }
+        this._$.replaceWith(node._$);
+        this._setNativeNode(node._$[0]);
+        this._$.append(myContents);
+        this.triggerChangeEvent('nodeTagChange', {oldTagName: oldTagName, newTagName: this.getTagName()});
+    },
+
+    getAttr: function(name) {
+        return this._$.attr(name);
+    },
+
+    setAttr: function(name, value, silent) {
+        var oldVal = this.getAttr(name);
+        this._$.attr(name, value);
+        if(!silent) {
+            this.triggerChangeEvent('nodeAttrChange', {attr: name, oldVal: oldVal, newVal: value});
+        }
+    },
+
+    getAttrs: function() {
+        var toret = [];
+        for(var i = 0; i < this.nativeNode.attributes.length; i++) {
+            toret.push(this.nativeNode.attributes[i]);
+        }
+        return toret;
+    },
+
+    append: function(documentNode) {
+        this._$.append(documentNode.nativeNode);
+    },

 
 

+    unwrapContent: function() {
+        var parent = this.parent();
+        if(!parent) {
+            return;
+        }

 
 

-    Object.defineProperty(this, 'root', {get: function() { return new ElementNode($document[0])}}); 
-}
+        var parentContents = parent.contents(),
+            myContents = this.contents(),
+            myIdx = parent.indexOf(this);

 
 

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

 
 

-var ElementNode = function(nativeNode) {
-    var myNode = nativeNode,
-        $myNode = $(nativeNode);
+        var moveLeftRange, moveRightRange, leftMerged;

 
 

+        if(myIdx > 0 && (parentContents[myIdx-1].nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
+            parentContents[myIdx-1].appendText(myContents[0].getText());
+            myContents[0].detach();
+            moveLeftRange = true;
+            leftMerged = true;
+        } else {
+            leftMerged = false;
+        }

 
 

-    this.getTagName = function() {
-        return myNode.tagName.toLowerCase();
+        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();
+                moveRightRange = true;
+            }
+        }
+
+        var childrenLength = this.contents().length;
+        this.contents().forEach(function(child) {
+            this.before(child);
+        }.bind(this));
+
+        this.detach();
+
+        return {
+            element1: parent.contents()[myIdx + (moveLeftRange ? -1 : 0)],
+            element2: parent.contents()[myIdx + childrenLength-1 + (moveRightRange ? 1 : 0)]
+        };
+    },
+
+    toXML: function() {
+        var wrapper = $('<div>');
+        wrapper.append(this._getXMLDOMToDump());
+        return wrapper.html();
+    },
+    
+    _getXMLDOMToDump: function() {
+        return this._$;

     }
     }

+});
+
+var TextNode = function(nativeNode, document) {
+    DocumentNode.call(this, nativeNode, document);

 };
 
 };
 

-return {
-    fromXML: function(xml) {
-        return new Document(xml);
+$.extend(TextNode.prototype, DocumentNode.prototype, {
+    nodeType: Node.TEXT_NODE,
+
+    getText: function() {
+        return this.nativeNode.data;
+    },
+
+    appendText: function(text) {
+        this.nativeNode.data = this.nativeNode.data + text;
+    },
+
+    prependText: function(text) {
+        this.nativeNode.data = text + this.nativeNode.data;
+    }
+});
+
+
+var parseXML = function(xml) {
+    return $(xml)[0];
+};
+
+var Document = function(xml) {
+    this.loadXML(xml);
+};
+
+$.extend(Document.prototype, Backbone.Events, {
+    ElementNodeFactory: ElementNode,
+    TextNodeFactory: TextNode,
+
+    createElementNode: function(from) {
+        if(!(from instanceof HTMLElement)) {
+            from = $('<' + from.tagName + '>');
+        }
+        return new this.ElementNodeFactory(from, this);
+    },
+
+    createTextNode: function(nativeNode) {
+        return new this.TextNodeFactory(nativeNode, this);
+    },
+
+    loadXML: function(xml, options) {
+        options = options || {};
+        defineDocumentProperties(this, $(parseXML(xml)));
+        if(!options.silent) {
+            this.trigger('contentSet');
+        }
+    },
+
+    toXML: function() {
+        return this.root.toXML();

     }
     }

+});
+
+var defineDocumentProperties = function(doc, $document) {
+    Object.defineProperty(doc, 'root', {get: function() {
+        return doc.createElementNode($document[0]);
+    }, configurable: true});
+    Object.defineProperty(doc, 'dom', {get: function() {
+        return $document[0];
+    }, configurable: true});
+};
+
+return {
+    documentFromXML: function(xml) {
+        return new Document(parseXML(xml));
+    },
+
+    elementNodeFromXML: function(xml) {
+        return this.documentFromXML(xml).root;
+    },
+
+    Document: Document,
+    DocumentNode: DocumentNode,
+    ElementNode: ElementNode

 };
 
 });
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 };
 
 });
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