+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');
+ }
+ this.document = document;
+ this._setNativeNode(nativeNode);
+
+};
+
+$.extend(DocumentNode.prototype, {
+ _setNativeNode: function(nativeNode) {
+ this.nativeNode = nativeNode;
+ this._$ = $(nativeNode);
+ },
+
+ isRoot: function() {
+ return this.document.root.sameNode(this);
+ },
+
+ detach: function() {
+ var parent = this.parent();
+ this._$.detach();
+ this.triggerChangeEvent('nodeDetached', {parent: parent});
+ return this;
+ },
+
+ 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, $.extend({node: this}, metaData || {}));
+ if(type === 'nodeDetached' || this.document.containsNode(event.meta.node)) {
+ this.document.trigger('change', event);
+ }
+ },
+
+ getNodeInsertion: function(node) {
+ var insertion = {};
+ if(node instanceof DocumentNode) {
+ insertion.ofNode = node;
+ insertion.insertsNew = !this.document.containsNode(node);
+ } else {
+ insertion.ofNode = this.document.createDocumentNode(node);
+ insertion.insertsNew = true;
+ }
+ return insertion;
+ },
+
+ getIndex: function() {
+ if(this.isRoot()) {
+ return 0;
+ }
+ return this.parent().indexOf(this);
+ }
+});
+
+var ElementNode = function(nativeNode, document) {
+ DocumentNode.call(this, nativeNode, document);
+};
+ElementNode.prototype = Object.create(DocumentNode.prototype);
+
+$.extend(ElementNode.prototype, {
+ nodeType: Node.ELEMENT_NODE,
+
+ detach: function() {
+ var next;
+ if(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);
+ }),
+
+ unwrapContent: function() {
+ var parent = this.parent();
+ if(!parent) {
+ return;
+ }
+
+ var myContents = this.contents(),
+ myIdx = parent.indexOf(this);
+
+
+ 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];
+};
+
fnp / fnpeditor.git / blobdiff