+ 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;
+ }
+
+ 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)]
+ };
+ },
+
+ 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);
+ }
+ },
+
+ triggerTextChangeEvent: function() {
+ var event = new events.ChangeEvent('nodeTextChange', {node: this});
+ this.document.trigger('change', event);
+ }
+});
+
+
+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)) {
+ if(from.text) {
+ 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);
+ },
+
+ createTextNode: function(nativeNode) {
+ return new this.TextNodeFactory(nativeNode, this);
+ },
+
+ loadXML: function(xml, options) {
+ options = options || {};
+ defineDocumentProperties(this, $(parseXML(xml)));
+ if(!options.silent) {
+ this.trigger('contentSet');
+ }
+ },
+
+ toXML: function() {
+ return this.root.toXML();
+ },
+
+ containsNode: function(node) {
+ return this.root && (node.nativeNode === this.root.nativeNode || node._$.parents().index(this.root._$) !== -1);
+ },
+
+ wrapNodes: function(params) {
+ if(!(params.element1.parent().sameNode(params.element2.parent()))) {
+ throw new Error('Wrapping non-sibling nodes not supported.');
+ }
+
+ var parent = params.element1.parent(),
+ parentContents = parent.contents(),
+ wrapper = this.createElementNode({
+ tagName: params._with.tagName,
+ attrs: params._with.attrs}),
+ idx1 = parent.indexOf(params.element1),
+ idx2 = parent.indexOf(params.element2);
+
+ 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.createElementNode({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);
fnp / fnpeditor.git / blobdiff