+plugin.documentExtension.documentNode.transformations = {
+ moveUp: function() {
+ var toMerge = this,
+ prev = toMerge.prev();
+
+ var merge = function(from, to) {
+ var toret;
+ from.contents().forEach(function(node, idx) {
+ var len, ret;
+ if(idx === 0 && node.nodeType === Node.TEXT_NODE) {
+ len = node.getText().length;
+ }
+ ret = to.append(node);
+
+ if(idx === 0 && ret.nodeType === Node.TEXT_NODE) {
+ toret = {
+ node: ret,
+ offset: ret.getText().length - len
+ };
+ } else {
+ toret = {
+ node: ret.getFirstTextNode(),
+ offset: 0
+ };
+ }
+ });
+ from.detach();
+ return toret;
+ };
+
+ var strategies = [
+ {
+ applies: function() {
+ return toMerge.nodeType === Node.TEXT_NODE && prev.is({tagName: 'span'});
+ },
+ run: function() {
+ var textNode = prev.getLastTextNode(),
+ txt, prevText, prevTextLen;
+ if(textNode) {
+ txt = textNode.getText();
+ if(txt.length > 1) {
+ textNode.setText(txt.substr(0, txt.length-1));
+ return {node: toMerge, offset: 0};
+ } else {
+ if((prevText = prev.prev()) && prevText.nodeType === Node.TEXT_NODE) {
+ prevTextLen = prevText.getText().length;
+ }
+ prev.detach();
+ return {
+ node: prevText ? prevText : toMerge,
+ offset : prevText ? prevTextLen : 0
+ };
+ }
+ }
+ }
+ },
+ {
+ applies: function() {
+ return toMerge.is({tagName: 'div', 'klass': 'p'}) || (toMerge.is({tagName: 'div'}) && toMerge.getClass() === '');
+ },
+ run: function() {
+ if (!prev)
+ return;
+ if(prev.is('p') || prev.is({tagName: 'header'})) {
+ return merge(toMerge, prev);
+ }
+ if(prev.is('list')) {
+ var items = prev.contents().filter(function(n) { return n.is('item');});
+ return merge(toMerge, items[items.length-1]);
+ }
+ }
+ },
+ {
+ applies: function() {
+ return toMerge.is({tagName: 'span'});
+ },
+ run: function() {
+ /* globals Node */
+ var toret = {node: toMerge.contents()[0] , offset: 0},
+ txt, txtNode, parent;
+ if(!prev) {
+ toMerge.parents().some(function(p) {
+ if(p.is({tagName: 'span'})) {
+ parent = prev = p;
+ } else {
+ if(!parent) {
+ parent = p;
+ }
+ prev = prev && prev.prev();
+ return true;
+ }
+ });
+ }
+ if(!prev) {
+ return parent.moveUp();
+ }
+ else if(prev.nodeType === Node.TEXT_NODE && (txt = prev.getText())) {
+ prev.setText(txt.substr(0, txt.length-1));
+ return toret;
+ } else if(prev.is({tagName: 'span'})) {
+ if((txtNode = prev.getLastTextNode())) {
+ txt = txtNode.getText();
+ if(txt.length > 1) {
+ txtNode.setText(txt.substr(0, txt.length-1));
+ } else {
+ if(txtNode.parent().contents().length === 1) {
+ txtNode.parent().detach();
+ } else {
+ txtNode.detach();
+ }
+
+ }
+ return toret;
+ }
+ }
+
+ }
+ },
+ {
+ applies: function() {
+ return toMerge.is({tagName: 'header'});
+ },
+ run: function() {
+ if(prev && (prev.is('p') || prev.is({tagName: 'header'}))) {
+ return merge(toMerge, prev);
+ }
+ }
+ },
+ {
+ applies: function() {
+ return toMerge.is('item');
+ },
+ run: function() {
+ var list;
+ if(prev && prev.is('item')) {
+ return merge(toMerge, prev);
+ } else if(!prev && (list = toMerge.parent()) && list.is('list')) {
+ list.before(toMerge);
+ toMerge.setClass('p');
+ if(!list.contents().length) {
+ list.detach();
+ }
+ return {node: toMerge.contents()[0], offset:0};
+ }
+ }
+ }
+ ];
+
+ var toret;
+ strategies.some(function(strategy) {
+ if(strategy.applies()) {
+ toret = strategy.run();
+ return true;
+ }
+ });
+ return toret;
+ },
+ insertNewNode: function () {
+ var node = this;
+ var newElement = this.document.createDocumentNode({tagName: 'div', attrs: {class: 'p'}});
+ node.after(newElement);
+ newElement.append({text: ''});
+ return newElement;
+ }
+};
+