From 50cf9678cb469e443e220b063e2355c844e417e7 Mon Sep 17 00:00:00 2001
From: Jermolene <jeremy@osmosoft.com>
Date: Wed, 12 Mar 2014 22:32:13 +0000
Subject: [PATCH] Add support for tw-home message

---
 core/modules/startup.js                       | 36 +++++++++++--------
 .../messages/WidgetMessage_ tw-home.tid       |  9 +++++
 2 files changed, 31 insertions(+), 14 deletions(-)
 create mode 100644 editions/tw5.com/tiddlers/messages/WidgetMessage_ tw-home.tid

diff --git a/core/modules/startup.js b/core/modules/startup.js
index d496997fd..6edc3ddfb 100755
--- a/core/modules/startup.js
+++ b/core/modules/startup.js
@@ -55,20 +55,24 @@ exports.startup = function() {
 			"$:/themes/tiddlywiki/vanilla"
 		]
 	});
-	// Get the default tiddlers
-	var defaultTiddlersTitle = "$:/DefaultTiddlers",
-		defaultTiddlersTiddler = $tw.wiki.getTiddler(defaultTiddlersTitle),
-		defaultTiddlers = [];
-	if(defaultTiddlersTiddler) {
-		defaultTiddlers = $tw.wiki.filterTiddlers(defaultTiddlersTiddler.fields.text);
-	}
-	// Initialise the story and history
-	var storyTitle = "$:/StoryList",
-		story = [];
-	for(var t=0; t<defaultTiddlers.length; t++) {
-		story[t] = defaultTiddlers[t];
-	}
-	$tw.wiki.addTiddler({title: storyTitle, text: "", list: story},$tw.wiki.getModificationFields());
+	// Display the default tiddlers
+	var displayDefaultTiddlers = function() {
+		// Get the default tiddlers
+		var defaultTiddlersTitle = "$:/DefaultTiddlers",
+			defaultTiddlersTiddler = $tw.wiki.getTiddler(defaultTiddlersTitle),
+			defaultTiddlers = [];
+		if(defaultTiddlersTiddler) {
+			defaultTiddlers = $tw.wiki.filterTiddlers(defaultTiddlersTiddler.fields.text);
+		}
+		// Initialise the story
+		var storyTitle = "$:/StoryList",
+			story = [];
+		for(var t=0; t<defaultTiddlers.length; t++) {
+			story[t] = defaultTiddlers[t];
+		}
+		$tw.wiki.addTiddler({title: storyTitle, text: "", list: story},$tw.wiki.getModificationFields());
+	};
+	displayDefaultTiddlers();
 	// Set up the syncer object
 	$tw.syncer = new $tw.Syncer({wiki: $tw.wiki});
 	// Host-specific startup
@@ -111,6 +115,10 @@ exports.startup = function() {
 		$tw.rootWidget.addEventListener("tw-scroll",function(event) {
 			$tw.pageScroller.handleEvent(event);
 		});
+		// Listen for the tw-home message
+		$tw.rootWidget.addEventListener("tw-home",function(event) {
+			displayDefaultTiddlers();
+		});
 		// Install the save action handlers
 		$tw.rootWidget.addEventListener("tw-save-wiki",function(event) {
 			$tw.syncer.saveWiki({
diff --git a/editions/tw5.com/tiddlers/messages/WidgetMessage_ tw-home.tid b/editions/tw5.com/tiddlers/messages/WidgetMessage_ tw-home.tid
new file mode 100644
index 000000000..8d8e908da
--- /dev/null
+++ b/editions/tw5.com/tiddlers/messages/WidgetMessage_ tw-home.tid	
@@ -0,0 +1,9 @@
+created: 20140312223013470
+modified: 20140312223134387
+tags: message
+title: WidgetMessage: tw-home
+type: text/vnd.tiddlywiki
+
+The `tw-home` message resets the story list to the tiddlers defined in [[$:/DefaultTiddlers]]. It does not require any properties on the `event` object.
+
+The cancel tiddler message is usually generated with the ButtonWidget and is handled by the core.