define([
- 'libs/jquery'
-], function($) {
+ 'libs/jquery',
+ 'libs/underscore',
+ 'libs/backbone',
+ 'smartxml/events'
+], function($, _, Backbone, events) {
'use strict';
+/* globals Node */
+var TEXT_NODE = Node.TEXT_NODE;
-var parseXML = function(xml) {
- return $(xml)[0];
-}
-var Document = function(nativeNode) {
- var $document = $(nativeNode);
+var INSERTION = function(implementation) {
+ var toret = function(node) {
+ var insertion = this.getNodeInsertion(node);
+ implementation.call(this, insertion.ofNode.nativeNode);
+ this.triggerChangeEvent(insertion.insertsNew ? 'nodeAdded' : 'nodeMoved', {node: insertion.ofNode});
+ return insertion.ofNode;
+ };
+ return toret;
+};
+var DocumentNode = function(nativeNode, document) {
+ if(!document) {
+ throw new Error('undefined document for a node');
+ }
+ this.document = document;
+ this._setNativeNode(nativeNode);
- Object.defineProperty(this, 'root', {get: function() { return new ElementNode($document[0])}});
-}
+};
+$.extend(DocumentNode.prototype, {
+ _setNativeNode: function(nativeNode) {
+ this.nativeNode = nativeNode;
+ this._$ = $(nativeNode);
+ },
-var ElementNode = function(nativeNode) {
- var myNode = nativeNode,
- $myNode = $(nativeNode);
+ clone: function() {
+ return this.document.createDocumentNode(this._$.clone(true, true)[0]);
+ },
- this._$myNode = $myNode;
- this._myNode= myNode;
+ getPath: function(ancestor) {
+ var nodePath = [this].concat(this.parents()),
+ toret, idx;
+ ancestor = ancestor || this.document.root;
- this.getTagName = function() {
- return myNode.tagName.toLowerCase();
- };
+ nodePath.some(function(node, i) {
+ if(node.sameNode(ancestor)) {
+ idx = i;
+ return true;
+ }
+ });
- this.append = function(documentNode) {
- this._$myNode.append(documentNode._$myNode);
- };
+ if(idx !== 'undefined') {
+ nodePath = nodePath.slice(0, idx);
+ }
+ toret = nodePath.map(function(node) {return node.getIndex(); });
+ toret.reverse();
+ return toret;
+ },
- this.contents = function() {
- var toret = [];
- this._$myNode.contents().each(function() {
- if(this.nodeType === Node.ELEMENT_NODE)
- toret.push(new ElementNode(this));
+ isRoot: function() {
+ return this.document.root.sameNode(this);
+ },
+
+ detach: function() {
+ var parent = this.parent();
+ this._$.detach();
+ this.triggerChangeEvent('nodeDetached', {parent: parent});
+ return this;
+ },
+
+ replaceWith: function(node) {
+ var toret;
+ if(this.isRoot()) {
+ return this.document.replaceRoot(node);
+ }
+ toret = this.after(node);
+ this.detach();
+ return toret;
+ },
+
+ sameNode: function(otherNode) {
+ return !!(otherNode) && this.nativeNode === otherNode.nativeNode;
+ },
+
+ parent: function() {
+ var parentNode = this.nativeNode.parentNode;
+ if(parentNode && parentNode.nodeType === Node.ELEMENT_NODE) {
+ return this.document.createDocumentNode(parentNode);
+ }
+ return null;
+ },
+
+ parents: function() {
+ var parent = this.parent(),
+ parents = parent ? parent.parents() : [];
+ if(parent) {
+ parents.unshift(parent);
+ }
+ return parents;
+ },
+
+ prev: function() {
+ var myIdx = this.getIndex();
+ return myIdx > 0 ? this.parent().contents()[myIdx-1] : null;
+ },
+
+ next: function() {
+ if(this.isRoot()) {
+ return null;
+ }
+ var myIdx = this.getIndex(),
+ parentContents = this.parent().contents();
+ return myIdx < parentContents.length - 1 ? parentContents[myIdx+1] : null;
+ },
+
+ isSurroundedByTextElements: function() {
+ var prev = this.prev(),
+ next = this.next();
+ return prev && (prev.nodeType === Node.TEXT_NODE) && next && (next.nodeType === Node.TEXT_NODE);
+ },
+
+ after: INSERTION(function(nativeNode) {
+ return this._$.after(nativeNode);
+ }),
+
+ before: INSERTION(function(nativeNode) {
+ return this._$.before(nativeNode);
+ }),
+
+ wrapWith: function(node) {
+ var insertion = this.getNodeInsertion(node);
+ if(this.parent()) {
+ 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;
+ }
+ },
+
+ triggerChangeEvent: function(type, metaData) {
+ var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));
+ if(type === 'nodeDetached' || this.document.containsNode(event.meta.node)) {
+ this.document.trigger('change', event);
+ }
+ },
+
+ getNodeInsertion: function(node) {
+ return this.document.getNodeInsertion(node);
+ },
+
+ getIndex: function() {
+ if(this.isRoot()) {
+ return 0;
+ }
+ return this.parent().indexOf(this);
+ }
+});
+
+var ElementNode = function(nativeNode, document) {
+ DocumentNode.call(this, nativeNode, document);
+};
+ElementNode.prototype = Object.create(DocumentNode.prototype);
+
+$.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._$.data(key, value);
+ } else {
+ this._$.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._$.contents().each(function() {
+ toret.push(document.createDocumentNode(this));
});
return toret;
- };
+ },
+
+ indexOf: function(node) {
+ return this._$.contents().index(node._$);
+ },
+
+ setTag: function(tagName) {
+ var node = this.document.createDocumentNode({tagName: tagName}),
+ oldTagName = this.getTagName(),
+ myContents = this._$.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._$.attr(name, value);
+ if(!silent) {
+ this.triggerChangeEvent('nodeAttrChange', {attr: name, oldVal: oldVal, newVal: value});
+ }
+ },
+
+ getAttrs: function() {
+ var toret = [];
+ for(var i = 0; i < this.nativeNode.attributes.length; i++) {
+ toret.push(this.nativeNode.attributes[i]);
+ }
+ return toret;
+ },
+
+ append: INSERTION(function(nativeNode) {
+ this._$.append(nativeNode);
+ }),
+
+ 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() {
+ var parent = this.parent();
+ if(!parent) {
+ return;
+ }
+
+ var myContents = this.contents(),
+ myIdx = parent.indexOf(this);
- this.sameNode = function(otherNode) {
- return this._myNode === otherNode._myNode;
+
+ if(myContents.length === 0) {
+ return this.detach();
+ }
+
+ var prev = this.prev(),
+ next = this.next(),
+ moveLeftRange, moveRightRange, leftMerged;
+
+ if(prev && (prev.nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
+ prev.appendText(myContents[0].getText());
+ myContents[0].detach();
+ moveLeftRange = true;
+ leftMerged = true;
+ } else {
+ leftMerged = false;
+ }
+
+ if(!(leftMerged && myContents.length === 1)) {
+ var lastContents = _.last(myContents);
+ if(next && (next.nodeType === TEXT_NODE) && (lastContents.nodeType === TEXT_NODE)) {
+ next.prependText(lastContents.getText());
+ lastContents.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)]
+ };
+ },
+
+ wrapText: function(params) {
+ return this.document._wrapText(_.extend({inside: this}, params));
+ },
+
+ 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);
+};
+TextNode.prototype = Object.create(DocumentNode.prototype);
+
+$.extend(TextNode.prototype, {
+ nodeType: Node.TEXT_NODE,
+
+ getText: function() {
+ return this.nativeNode.data;
+ },
+
+ setText: function(text) {
+ this.nativeNode.data = text;
+ this.triggerTextChangeEvent();
+ },
+
+ appendText: function(text) {
+ this.nativeNode.data = this.nativeNode.data + text;
+ this.triggerTextChangeEvent();
+ },
+
+ prependText: function(text) {
+ this.nativeNode.data = text + this.nativeNode.data;
+ this.triggerTextChangeEvent();
+ },
+
+ wrapWith: function(desc) {
+ if(typeof desc.start === 'number' && typeof desc.end === 'number') {
+ return this.document._wrapText({
+ inside: this.parent(),
+ textNodeIdx: this.parent().indexOf(this),
+ offsetStart: Math.min(desc.start, desc.end),
+ offsetEnd: Math.max(desc.start, desc.end),
+ _with: {tagName: desc.tagName, attrs: desc.attrs}
+ });
+ } else {
+ return DocumentNode.prototype.wrapWith.call(this, desc);
+ }
+ },
+
+ 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);
+ }
+});
+
+
+var parseXML = function(xml) {
+ return $($.trim(xml))[0];
+};
+
+var Document = function(xml) {
+ this.loadXML(xml);
+};
+
+$.extend(Document.prototype, Backbone.Events, {
+ ElementNodeFactory: ElementNode,
+ TextNodeFactory: TextNode,
+
+ createDocumentNode: function(from) {
+ if(!(from instanceof Node)) {
+ if(from.text !== undefined) {
+ /* globals document */
+ from = document.createTextNode(from.text);
+ } else {
+ var node = $('<' + from.tagName + '>');
+
+ _.keys(from.attrs || {}).forEach(function(key) {
+ node.attr(key, from.attrs[key]);
+ });
+
+ from = node[0];
+ }
+ }
+ var Factory;
+ if(from.nodeType === Node.TEXT_NODE) {
+ Factory = this.TextNodeFactory;
+ } else if(from.nodeType === Node.ELEMENT_NODE) {
+ Factory = this.ElementNodeFactory;
+ }
+ return new Factory(from, this);
+ },
+
+ loadXML: function(xml, options) {
+ options = options || {};
+ defineDocumentProperties(this, $(parseXML(xml)));
+ if(!options.silent) {
+ this.trigger('contentSet');
+ }
+ },
+
+ toXML: function() {
+ return this.root.toXML();
+ },
+
+ containsNode: function(node) {
+ return this.root && (node.nativeNode === this.root.nativeNode || node._$.parents().index(this.root._$) !== -1);
+ },
+
+ wrapNodes: function(params) {
+ if(!(params.node1.parent().sameNode(params.node2.parent()))) {
+ throw new Error('Wrapping non-sibling nodes not supported.');
+ }
+
+ var parent = params.node1.parent(),
+ parentContents = parent.contents(),
+ wrapper = this.createDocumentNode({
+ tagName: params._with.tagName,
+ attrs: params._with.attrs}),
+ idx1 = parent.indexOf(params.node1),
+ idx2 = parent.indexOf(params.node2);
+
+ if(idx1 > idx2) {
+ var tmp = idx1;
+ idx1 = idx2;
+ idx2 = tmp;
+ }
+
+ var insertingMethod, insertingTarget;
+ if(idx1 === 0) {
+ insertingMethod = 'prepend';
+ insertingTarget = parent;
+ } else {
+ insertingMethod = 'after';
+ insertingTarget = parentContents[idx1-1];
+ }
+
+ for(var i = idx1; i <= idx2; i++) {
+ wrapper.append(parentContents[i].detach());
+ }
+
+ insertingTarget[insertingMethod](wrapper);
+ return wrapper;
+ },
+
+ getSiblingParents: function(params) {
+ var parents1 = [params.node1].concat(params.node1.parents()).reverse(),
+ parents2 = [params.node2].concat(params.node2.parents()).reverse(),
+ noSiblingParents = null;
+
+ if(parents1.length === 0 || parents2.length === 0 || !(parents1[0].sameNode(parents2[0]))) {
+ return noSiblingParents;
+ }
+
+ var i;
+ for(i = 0; i < Math.min(parents1.length, parents2.length); i++) {
+ if(parents1[i].sameNode(parents2[i])) {
+ continue;
+ }
+ break;
+ }
+ return {node1: parents1[i], node2: parents2[i]};
+ },
+
+ _wrapText: function(params) {
+ params = _.extend({textNodeIdx: 0}, params);
+ if(typeof params.textNodeIdx === 'number') {
+ params.textNodeIdx = [params.textNodeIdx];
+ }
+
+ var contentsInside = params.inside.contents(),
+ idx1 = Math.min.apply(Math, params.textNodeIdx),
+ idx2 = Math.max.apply(Math, params.textNodeIdx),
+ textNode1 = contentsInside[idx1],
+ textNode2 = contentsInside[idx2],
+ sameNode = textNode1.sameNode(textNode2),
+ prefixOutside = textNode1.getText().substr(0, params.offsetStart),
+ prefixInside = textNode1.getText().substr(params.offsetStart),
+ suffixInside = textNode2.getText().substr(0, params.offsetEnd),
+ suffixOutside = textNode2.getText().substr(params.offsetEnd)
+ ;
+
+ if(!(textNode1.parent().sameNode(textNode2.parent()))) {
+ throw new Error('Wrapping text in non-sibling text nodes not supported.');
+ }
+
+ var wrapperElement = this.createDocumentNode({tagName: params._with.tagName, attrs: params._with.attrs});
+ textNode1.after(wrapperElement);
+ textNode1.detach();
+
+ if(prefixOutside.length > 0) {
+ wrapperElement.before({text:prefixOutside});
+ }
+ if(sameNode) {
+ var core = textNode1.getText().substr(params.offsetStart, params.offsetEnd - params.offsetStart);
+ wrapperElement.append({text: core});
+ } else {
+ textNode2.detach();
+ if(prefixInside.length > 0) {
+ wrapperElement.append({text: prefixInside});
+ }
+ for(var i = idx1 + 1; i < idx2; i++) {
+ wrapperElement.append(contentsInside[i]);
+ }
+ if(suffixInside.length > 0) {
+ wrapperElement.append({text: suffixInside});
+ }
+ }
+ if(suffixOutside.length > 0) {
+ wrapperElement.after({text: suffixOutside});
+ }
+ return wrapperElement;
+ },
+
+ 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, $document) {
+ Object.defineProperty(doc, 'root', {get: function() {
+ return doc.createDocumentNode($document[0]);
+ }, configurable: true});
+ Object.defineProperty(doc, 'dom', {get: function() {
+ return $document[0];
+ }, configurable: true});
};
return {
documentFromXML: function(xml) {
- return new Document(parseXML(xml));
+ return new Document(xml);
},
elementNodeFromXML: function(xml) {
- return new ElementNode(parseXML(xml));
- }
+ return this.documentFromXML(xml).root;
+ },
+
+ Document: Document,
+ DocumentNode: DocumentNode,
+ ElementNode: ElementNode
};
});
\ No newline at end of file
fnp / fnpeditor.git / blobdiff