mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-06-16 10:29:54 +00:00
Refactoring of text-slicer
Now we process the rendered HTML of tiddlers, which allows us to process HTML generated by MS Word. In fact, the HTML that MS Word generates is so awful, I’ve instead been using Mammoth to do the conversion: https://github.com/mwilliamson/mammoth.js Also some necessary improvements to the fake dom implementation.
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Jermolene
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010b01f205
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3cfad8b044
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@ -43,6 +43,12 @@ var TW_Element = function(tag,namespace) {
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this.namespaceURI = namespace || "http://www.w3.org/1999/xhtml";
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};
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Object.defineProperty(TW_Element.prototype, "nodeType", {
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get: function() {
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return 1;
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}
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});
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TW_Element.prototype.setAttribute = function(name,value) {
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if(this.isRaw) {
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throw "Cannot setAttribute on a raw TW_Element";
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@ -93,6 +99,12 @@ TW_Element.prototype.hasChildNodes = function() {
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return !!this.children.length;
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};
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Object.defineProperty(TW_Element.prototype, "childNodes", {
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get: function() {
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return this.children;
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}
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});
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Object.defineProperty(TW_Element.prototype, "firstChild", {
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get: function() {
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return this.children[0];
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@ -103,6 +115,12 @@ TW_Element.prototype.addEventListener = function(type,listener,useCapture) {
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// Do nothing
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};
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Object.defineProperty(TW_Element.prototype, "tagName", {
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get: function() {
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return this.tag || "";
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}
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});
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Object.defineProperty(TW_Element.prototype, "className", {
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get: function() {
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return this.attributes["class"] || "";
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@ -23,21 +23,63 @@ var SLICER_OUTPUT_TITLE = "$:/TextSlicer";
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// Install the root widget event handlers
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exports.startup = function() {
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$tw.rootWidget.addEventListener("tm-slice-tiddler",function(event) {
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var slicer = new Slicer($tw.wiki,event.param);
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// slicer.sliceTiddler();
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// slicer.outputTiddlers();
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// Slice up and output the tiddler
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outputTiddlers(sliceTiddler(event.param),event.param,event.param);
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slicer.outputTiddlers(slicer.sliceTiddler(event.param),event.param,event.param);
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slicer.destroy();
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});
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};
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var currentId = 0;
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function nextId() {
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return ++currentId;
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function Slicer(wiki,sourceTitle) {
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this.wiki = wiki;
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this.sourceTitle = sourceTitle;
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this.currentId = 0;
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this.iframe = null; // Reference to iframe used for HTML parsing
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}
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Slicer.prototype.destroy = function() {
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// Remove the iframe from the DOM
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if(this.iframe && this.iframe.parentNode) {
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this.iframe.parentNode.removeChild(this.iframe);
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}
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};
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Slicer.prototype.nextId = function() {
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return ++this.currentId;
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};
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Slicer.prototype.getSourceHtmlDocument = function(tiddler) {
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this.iframe = document.createElement("iframe");
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document.body.appendChild(this.iframe);
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this.iframe.contentWindow.document.open();
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this.iframe.contentWindow.document.write(tiddler.fields.text);
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this.iframe.contentWindow.document.close();
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return this.iframe.contentWindow.document;
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};
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Slicer.prototype.getSourceWikiDocument = function(tiddler) {
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var widgetNode = this.wiki.makeTranscludeWidget(this.sourceTitle,{document: $tw.fakeDocument, parseAsInline: false}),
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container = $tw.fakeDocument.createElement("div");
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widgetNode.render(container,null);
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return container;
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};
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Slicer.prototype.getSourceDocument = function() {
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var tiddler = $tw.wiki.getTiddler(this.sourceTitle);
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if(tiddler.fields.type === "text/html") {
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return this.getSourceHtmlDocument(tiddler);
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} else {
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return this.getSourceWikiDocument(tiddler);
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}
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};
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// Slice a tiddler into individual tiddlers
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function sliceTiddler(title) {
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var tiddlers = {},
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parser = $tw.wiki.parseTiddler(title),
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Slicer.prototype.sliceTiddler = function(title) {
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var self = this,
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tiddlers = {},
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domNode = this.getSourceDocument(),
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parentStack = [],
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addTiddler = function(fields) {
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if(fields.title) {
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@ -73,64 +115,83 @@ function sliceTiddler(title) {
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} while(true);
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return parentStack[parentStack.length - 1].title;
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},
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processNodeList = function(nodeList) {
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$tw.utils.each(nodeList,function(parseTreeNode) {
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isBlank = function(s) {
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return (/^[\s\xA0]*$/mg).test(s);
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},
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processNodeList = function(domNodeList) {
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$tw.utils.each(domNodeList,function(domNode) {
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var parentTitle,
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text = $tw.utils.getParseTreeText(parseTreeNode);
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if(parseTreeNode.type === "element" && (parseTreeNode.tag === "h1" || parseTreeNode.tag === "h2" || parseTreeNode.tag === "h3" || parseTreeNode.tag === "h4")) {
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parentTitle = popParentStackUntil(parseTreeNode.tag);
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addToList(parentTitle,text);
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parentStack.push({type: parseTreeNode.tag, title: addTiddler({
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title: text,
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text: "<<display-heading-tiddler level:'" + parseTreeNode.tag + "'>>",
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list: [],
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tags: [parentTitle]
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})});
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} else if(parseTreeNode.type === "element" && (parseTreeNode.tag === "ul" || parseTreeNode.tag === "ol")) {
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var listTitle = title + "-list-" + nextId();
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parentTitle = parentStack[parentStack.length - 1].title;
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addToList(parentTitle,listTitle);
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parentStack.push({type: parseTreeNode.tag, title: addTiddler({
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title: listTitle,
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text: "<<display-list-tiddler type:'" + parseTreeNode.tag + "'>>",
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list: [],
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tags: [parentTitle]
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})});
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processNodeList(parseTreeNode.children);
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parentStack.pop();
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} else if(parseTreeNode.type === "element" && parseTreeNode.tag === "li") {
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var listItemTitle = title + "-listitem-" + nextId();
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parentTitle = parentStack[parentStack.length - 1].title;
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addToList(parentTitle,listItemTitle);
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addTiddler({
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title: listItemTitle,
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text: text,
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list: [],
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tags: [parentTitle]
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});
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} else if(parseTreeNode.type === "element" && parseTreeNode.tag === "p") {
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parentTitle = parentStack[parentStack.length - 1].title;
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addToList(parentTitle,addTiddler({
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title: title + "-para-" + nextId(),
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text: text,
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tags: [parentTitle]
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}));
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text = domNode.textContent,
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nodeType = domNode.nodeType;
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if(nodeType === 1) {
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var tagName = domNode.tagName.toLowerCase();
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if(tagName === "p" && (domNode.getAttribute("style") || "").indexOf("mso-list:") !== -1) {
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tagName = "li";
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}
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if(tagName === "h1" || tagName === "h2" || tagName === "h3" || tagName === "h4") {
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if(!isBlank(text)) {
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parentTitle = popParentStackUntil(tagName);
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addToList(parentTitle,text);
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parentStack.push({type: tagName, title: addTiddler({
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title: text,
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text: "<<display-heading-tiddler level:'" + tagName + "'>>",
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list: [],
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tags: [parentTitle]
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})});
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}
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} else if(tagName === "ul" || tagName === "ol") {
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var listTitle = title + "-list-" + self.nextId();
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parentTitle = parentStack[parentStack.length - 1].title;
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addToList(parentTitle,listTitle);
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parentStack.push({type: tagName, title: addTiddler({
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title: listTitle,
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text: "<<display-list-tiddler type:'" + tagName + "'>>",
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list: [],
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tags: [parentTitle]
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})});
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processNodeList(domNode.childNodes);
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parentStack.pop();
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} else if(tagName === "li") {
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if(!isBlank(text)) {
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var listItemTitle = title + "-listitem-" + self.nextId();
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parentTitle = parentStack[parentStack.length - 1].title;
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addToList(parentTitle,listItemTitle);
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addTiddler({
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title: listItemTitle,
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text: text,
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list: [],
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tags: [parentTitle]
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});
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}
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} else if(tagName === "p") {
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if(!isBlank(text)) {
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parentTitle = parentStack[parentStack.length - 1].title;
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addToList(parentTitle,addTiddler({
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title: title + "-para-" + self.nextId(),
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text: text,
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tags: [parentTitle]
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}));
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}
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} else if(domNode.hasChildNodes()) {
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processNodeList(domNode.childNodes);
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}
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}
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});
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};
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if(parser) {
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parentStack.push({type: "h0", title: addTiddler({
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title: "Sliced up " + title,
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text: "{{||$:/plugins/tiddlywiki/text-slicer/templates/display-document}}",
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list: []
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})});
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processNodeList(parser.tree);
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}
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parentStack.push({type: "h0", title: addTiddler({
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title: "Sliced up " + title,
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text: "{{||$:/plugins/tiddlywiki/text-slicer/templates/display-document}}",
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list: []
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})});
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console.log(domNode);
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processNodeList(domNode.childNodes);
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return tiddlers;
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}
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};
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// Output directly to the output tiddlers
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function outputTiddlers(tiddlers,title,navigateFromTitle) {
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Slicer.prototype.outputTiddlers = function(tiddlers,title,navigateFromTitle) {
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$tw.utils.each(tiddlers,function(tiddlerFields) {
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var title = tiddlerFields.title;
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if(title) {
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@ -140,10 +201,10 @@ function outputTiddlers(tiddlers,title,navigateFromTitle) {
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// Navigate to output
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var story = new $tw.Story({wiki: $tw.wiki});
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story.navigateTiddler("Sliced up " + title,navigateFromTitle);
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}
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};
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// Output via an import tiddler
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function outputTiddlers_viaImportTiddler(tiddlers,navigateFromTitle) {
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Slicer.prototype.outputTiddlers_viaImportTiddler = function(tiddlers,navigateFromTitle) {
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// Get the current slicer output tiddler
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var slicerOutputTiddler = $tw.wiki.getTiddler(SLICER_OUTPUT_TITLE),
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slicerOutputData = $tw.wiki.getTiddlerData(SLICER_OUTPUT_TITLE,{}),
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@ -167,6 +228,6 @@ function outputTiddlers_viaImportTiddler(tiddlers,navigateFromTitle) {
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// Navigate to output
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var story = new $tw.Story({wiki: $tw.wiki});
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story.navigateTiddler(SLICER_OUTPUT_TITLE,navigateFromTitle);
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}
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};
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})();
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