From 1b620387dda2d16bf387a89071188762455890c4 Mon Sep 17 00:00:00 2001
From: Jermolene <jeremy@osmosoft.com>
Date: Wed, 22 Oct 2014 14:12:49 +0100
Subject: [PATCH] Extend the view widget to work with subtiddlers

---
 core/modules/widgets/view.js                     | 10 ++++++++--
 editions/tw5.com/tiddlers/widgets/ViewWidget.tid | 14 +++++++++++++-
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/core/modules/widgets/view.js b/core/modules/widgets/view.js
index 6d12ac162..13dc0fdb0 100755
--- a/core/modules/widgets/view.js
+++ b/core/modules/widgets/view.js
@@ -46,6 +46,7 @@ Compute the internal state of the widget
 ViewWidget.prototype.execute = function() {
 	// Get parameters from our attributes
 	this.viewTitle = this.getAttribute("tiddler",this.getVariable("currentTiddler"));
+	this.viewSubtiddler = this.getAttribute("subtiddler");
 	this.viewField = this.getAttribute("field","text");
 	this.viewIndex = this.getAttribute("index");
 	this.viewFormat = this.getAttribute("format","text");
@@ -95,9 +96,14 @@ ViewWidget.prototype.getValue = function(options) {
 	if(this.viewIndex) {
 		value = this.wiki.extractTiddlerDataItem(this.viewTitle,this.viewIndex);
 	} else {
-		var tiddler = this.wiki.getTiddler(this.viewTitle);
+		var tiddler;
+		if(this.viewSubtiddler) {
+			tiddler = this.wiki.getSubTiddler(this.viewTitle,this.viewSubtiddler);	
+		} else {
+			tiddler = this.wiki.getTiddler(this.viewTitle);
+		}
 		if(tiddler) {
-			if(this.viewField === "text") {
+			if(this.viewField === "text" && !this.viewSubtiddler) {
 				// Calling getTiddlerText() triggers lazy loading of skinny tiddlers
 				value = this.wiki.getTiddlerText(this.viewTitle);
 			} else {
diff --git a/editions/tw5.com/tiddlers/widgets/ViewWidget.tid b/editions/tw5.com/tiddlers/widgets/ViewWidget.tid
index e7d11bf55..9d27945e6 100644
--- a/editions/tw5.com/tiddlers/widgets/ViewWidget.tid
+++ b/editions/tw5.com/tiddlers/widgets/ViewWidget.tid
@@ -1,6 +1,6 @@
 title: ViewWidget
 created: 201310241419
-modified: 201402220837
+modified: 20141022131222150
 tags: Widgets
 caption: view
 
@@ -18,6 +18,7 @@ The content of the `<$view>` widget is displayed if the field or property is mis
 |index |The name of the index to view |
 |format |The format for displaying the field (see below) |
 |template |The optional template used with certain formats |
+|subtiddler |Optional SubTiddler title when the target tiddler is a [[plugin|Plugins]] (see below) |
 
 !! Formats
 
@@ -31,3 +32,14 @@ The following formats can be specified in the `format` attribute:
 |''relativedate'' |The field is interpreted as a UTC date and displayed as the interval from the present instant |
 |''stripcomments'' |The field is interpreted as JavaScript source code and any lines beginning `\\#` are stripped |
 |''jsencoded'' |The field is displayed as a JavaScript encoded string |
+
+! SubTiddler Access
+
+The view widget allows access to the individual tiddlers stored within a [[plugin|Plugins]].
+
+The following example will view the core version of the tiddler [[$:/DefaultTiddlers]] even if it has been overridden:
+
+<<wikitext-example-without-html '
+<$view tiddler="$:/core" subtiddler="$:/DefaultTiddlers"/>
+
+'>>