From 149216ff7d5a4f62502f8b6dc6bb2c4f71657a0f Mon Sep 17 00:00:00 2001
From: Jeremy Ruston <jeremy@osmosoft.com>
Date: Wed, 10 Oct 2012 22:46:59 +0100
Subject: [PATCH] Compute wikiname from document URL

---
 tw5dropbox/appwiki/plugins/dropbox-app.js | 25 +++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/tw5dropbox/appwiki/plugins/dropbox-app.js b/tw5dropbox/appwiki/plugins/dropbox-app.js
index a2fe81ffa..86640d689 100644
--- a/tw5dropbox/appwiki/plugins/dropbox-app.js
+++ b/tw5dropbox/appwiki/plugins/dropbox-app.js
@@ -12,11 +12,28 @@ Startup the Dropbox wiki app
 /*global $tw: false */
 "use strict";
 
+var titleWikiName = "$:/plugins/dropbox/WikiName";
+
 exports.startup = function() {
-	// Load tiddlers
-	$tw.plugins.dropbox.loadTiddlerFiles("/My TiddlyWiki/tiddlers",function() {
-		console.log("Loaded all tiddlers",$tw.wiki.tiddlers);
-	});
+	// Check that we've been loaded from the dropbox
+	var url = (window.location.protocol + "//" + window.location.host + window.location.pathname),
+		wikiName;
+	if(url.indexOf($tw.plugins.dropbox.userInfo.publicAppUrl) === 0) {
+		var p = url.indexOf("/",$tw.plugins.dropbox.userInfo.publicAppUrl.length + 1);
+		if(p !== -1 && url.substr(p) === "/index.html") {
+			wikiName = decodeURIComponent(url.substring($tw.plugins.dropbox.userInfo.publicAppUrl.length + 1,p));
+		}
+	}
+	if(wikiName) {
+		$tw.plugins.dropbox.wikiName = wikiName;
+		$tw.wiki.addTiddler({title: titleWikiName, text: $tw.plugins.dropbox.wikiName});
+		// Load tiddlers
+		$tw.plugins.dropbox.loadTiddlerFiles("/" + $tw.plugins.dropbox.wikiName + "/tiddlers",function() {
+			console.log("Loaded all tiddlers",$tw.wiki.tiddlers);
+		});	
+	} else {
+		alert("This TiddlyWiki file must be in Dropbox");
+	}
 };
 
 })();