added page toc plugin

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

pwiki/dom/toc.js

@@ -0,0 +1,37 @@
+/**********************************************************************
+* 
+*
+*
+**********************************************************************/
+((typeof define)[0]=='u'?function(f){module.exports=f(require)}:define)
+(function(require){ var module={} // make module AMD/node compatible...
+/*********************************************************************/
+
+
+
+
+//---------------------------------------------------------------------
+
+var makeToc = 
+module.makeToc =
+function(){
+	return [...document.querySelectorAll('toc')]
+		.map(function(toc){
+			toc.innerHTML = ''
+			var parent = toc.parentElement
+			var base = pwiki.path
+			;[...parent.querySelectorAll('[id]')]
+				.filter(function(n){
+					return /^h[0-9]$/i.test(n.nodeName) })
+				.forEach(function(section){
+					var e = document.createElement('a')
+					e.classList.add(section.nodeName.toLowerCase())
+					e.setAttribute('href', '#'+ base +'#'+ section.id)
+					e.innerHTML = section.innerHTML
+					toc.appendChild(e) }) 
+			return toc }) }
+
+
+
+/**********************************************************************
+* vim:set ts=4 sw=4 :                               */ return module })

pwiki/page.js

@@ -1795,7 +1795,7 @@ object.Constructor('Page', BasePage, {
 					await data()
 				: typeof(data) == 'function' ?
 					data
-				: 'text' in data ?
+				: data && 'text' in data ?
 					data.text
 				: null
 			if(data instanceof Array
@@ -2021,6 +2021,7 @@ object.Constructor('CachedPage', Page, {
 
 //---------------------------------------------------------------------
 
+var toc = require('./dom/toc')
 var wikiword = require('./dom/wikiword')
 //var textarea = require('./dom/textarea')
 
@@ -2035,6 +2036,7 @@ object.Constructor('pWikiPageElement', Page, {
 
 
 	domFilters: {
+		toc: toc.makeToc,
 		// XXX see Page.filters.wikiword for notes...
 		wikiword: wikiword.wikiWordText,
 		//textarea: textarea.setupTextarea,
@@ -2263,6 +2265,7 @@ module.System = {
 			@load(./edit)
 
 			<macro texteditor>
+				<toc></toc>
 				<div class="editor"
 						wikiwords="no"
 						contenteditable

pwiki2.html

@@ -150,6 +150,34 @@ body.loading .page.spinner span {
 	}
 }
 
+
+/* TOC */
+toc {
+	--toc-level-offset: 2em;
+}
+toc a {
+	display: block;
+}
+toc .h1 {
+	margin-left: 0em;
+}
+toc .h2 {
+	margin-left: calc(var(--toc-level-offset) * 1);
+}
+toc .h3 {
+	margin-left: calc(var(--toc-level-offset) * 2);
+}
+toc .h4 {
+	margin-left: calc(var(--toc-level-offset) * 3);
+}
+toc .h5 {
+	margin-left: calc(var(--toc-level-offset) * 4);
+}
+toc .h5 {
+	margin-left: calc(var(--toc-level-offset) * 5);
+}
+
+
 .error .msg {
 	font-weight: bold;
 	color: red;

pwiki2.js

@@ -38,8 +38,6 @@
 *
 *
 *
-* XXX macros: else/default macro args essentially mean the same thing, should we
-* 		unify them to use the same name???
 * XXX parser: error handling: revise page quoting... 
 * 		...need a standard mechanism to quote urls, url-args and paths...
 * XXX BUG? can't use < and > (both?) in page title...