From 45842e97cccbeffe43832f88ad97723e3a4bda2a Mon Sep 17 00:00:00 2001
From: paulr <paulr@tv.pjr.cc>
Date: Sun, 30 Dec 2012 20:28:29 +1100
Subject: [PATCH] moved globals into global.njspurls.

---
 lib/app.js       |   22 +++++++++++++++-------
 lib/layouts.js   |   30 +++++++++++++++---------------
 lib/wsrequest.js |   34 +++++++++++++++++++++++++++++-----
 myapp.js         |    3 ++-
 4 files changed, 61 insertions(+), 28 deletions(-)

diff --git a/lib/app.js b/lib/app.js
index df9408b..4fc59b0 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -1,3 +1,4 @@
+global.njspurls = new Object();
 
 var http = require("http"),
     url = require("url"),
@@ -8,18 +9,25 @@ var http = require("http"),
     defaultLayout = "standard",
     defaultMain = null,
     addCss = null,
-    layouts = require("./layouts.js");
+    layouts = require("./layouts.js"),
     addJs = null;
 
-
-global.njsAppName = "NJSPURLS Web App"; 
+global.njspurls.njsAppName = "NJSPURLS Web App"; 
 
 exports.setAppName = function(name) {
-	global.njsAppName = name;
+	global.njspurls.njsAppName = name;
+}
+
+exports.setPurlPath = function(setpath) {
+	// default purl path is set based on the module.parent if its relative
+	var basename = path.dirname(module.parent.filename);
+	var mainpath = path.resolve(basename, setpath);
+	console.log("setting purl path to ", mainpath);
+	global.njspurls.mainPath = mainpath;
 }
 
 exports.setFooterText = function(text) {
-	global.footerText = text;
+	global.njspurls.footerText = text;
 }
 
 exports.setPort = function(port) {
@@ -27,10 +35,10 @@ exports.setPort = function(port) {
 }
 
 exports.addMenu = function(name, link) {
-	global.addMenu(name, link);
+	global.njspurls.addMenu(name, link);
 }
 
-global.addMenu = layouts.addMenu;
+global.njspurls.addMenu = layouts.addMenu;
 
 exports.addCss = function(cssname) {
 	if(addCss == null) {
diff --git a/lib/layouts.js b/lib/layouts.js
index fb4d503..7860919 100644
--- a/lib/layouts.js
+++ b/lib/layouts.js
@@ -19,24 +19,24 @@ exports.straight = function () {
 
 exports.header = function(request, response, callback) {
 	// this function is the default header builder.
-	response.write("<title>"+global.njsAppName+"</title>");
+	response.write("<title>"+global.njspurls.njsAppName+"</title>");
 	callback(request, response);
 }
 
 exports.title = function(request, response, callback) {
 	// this is the default title builder
-	response.write("<h1>"+global.njsAppName+"</h1>");
+	response.write("<h1>"+global.njspurls.njsAppName+"</h1>");
 	callback(request, response);
 }
 
 exports.menu = function(request, response, callback) {
 	// this is the default title builder
 	//response.write("<table><tr><th>Menu</th><td>item 1</td><td>item2</td></tr></table>");
-	if(typeof global.menu != "undefined") {
+	if(typeof global.njspurls.menu != "undefined") {
 		response.write("<table><tr>");
-		for(key in global.menu) {
-			response.write("<td><a href=\""+global.menu[key]+"\">"+key+"</a></td>");
-			console.log("menu: '%s', '%s'", key, global.menu[key]);
+		for(key in global.njspurls.menu) {
+			response.write("<td><a href=\""+global.njspurls.menu[key]+"\">"+key+"</a></td>");
+			console.log("menu: '%s', '%s'", key, global.njspurls.menu[key]);
 		}
 		response.write("</tr></table>");
 	} else {
@@ -59,8 +59,8 @@ exports.body = function(request, response, callback) {
 
 exports.footer = function(request, response, callback) {
 	// this is the default title builder
-	if(typeof global.footerText != "undefined") {
-		response.write(global.footerText);
+	if(typeof global.njspurls.footerText != "undefined") {
+		response.write(global.njspurls.footerText);
 	} else {
 		response.write("<br><br><font size=\"-1\"><i>Copyright PJR.cc</i></font>");
 	}
@@ -76,11 +76,11 @@ exports.preResponse = function(request, response, callback) {
 // global menu management functions
 exports.addMenu = function(menuname, menulink) {
 	console.log("add menu item, '%s' -> '%s'", menuname, menulink);
-	if(typeof global.menu == "undefined") {
-		global.menu = new Array();
-		global.menu[menuname] = menulink;
+	if(typeof global.njspurls.menu == "undefined") {
+		global.njspurls.menu = new Array();
+		global.njspurls.menu[menuname] = menulink;
 	} else {
-		global.menu[menuname] = menulink;
+		global.njspurls.menu[menuname] = menulink;
 	}
 }
 
@@ -98,6 +98,6 @@ exports.clearMenu = function() {
 	delete global.menu;
 }
 
-global.addMenu = exports.addMenu;
-global.delMenu = exports.delMenu;
-global.clearMenu = exports.clearMenu;
\ No newline at end of file
+global.njspurls.addMenu = exports.addMenu;
+global.njspurls.delMenu = exports.delMenu;
+global.njspurls.clearMenu = exports.clearMenu;
\ No newline at end of file
diff --git a/lib/wsrequest.js b/lib/wsrequest.js
index c0bf4d1..20e71ba 100644
--- a/lib/wsrequest.js
+++ b/lib/wsrequest.js
@@ -99,18 +99,43 @@ function urlServicer(request, response, purl) {
 	// first resolve the module making the call and determine layout/purl
 	var purlClass = layouts;
 	var purlLayout = layouts.standard();
-	var mainPath = path.dirname(require.main.filename) + "/purls/";
+	var mainPath = "";
+	
+	if(typeof global.njspurls.mainPath != "undefined") {
+		mainPath = global.njspurls.mainPath;
+		console.log("gettingmainpath from global: ", mainPath);
+	} else {
+		mainPath = path.dirname(require.main.filename) + "/purls/";
+	}
 
 	console.log("main purl path is ", mainPath);
 	
 	if(purl.pathname == "/") {
 		if(defaultMainPurl == null) {
 			console.log("set purl class to layouts");
-			purlClass = layouts;
+
+			var mainPurlClassPath = mainPath+"/main.js";
+			console.log("attempting to load main.js as the main purl class");
+			try {
+				var mainPurlClass = require(mainPurlClassPath);
+				purlClass = mainPurlClass;
+				console.log("main.js exists");
+			} catch(err) {
+				console.log("main.js doesnt exist, using default");
+			}
 		} else {
-			// find and load the purl
+			// find and load the purl, we'll use main.js
+			var mainPurlClassPath = mainPath+"/"+defaultMainPurl+".js";
+			
+			console.log("attempting to load main.js as the main purl class");
+			try {
+				var mainPurlClass = require(mainPurlClassPath);
+				purlClass = mainPurlClass;
+				console.log("main.js exists");
+			} catch(err) {
+				console.log("main.js doesnt exist, using default");
+			}
 		}
-		
 	} else {
 		// handle the purls
 		var newPurlPath = mainPath+"/"+path.basename(purl.pathname.replace(/\/$/, ""))+".js";
@@ -124,7 +149,6 @@ function urlServicer(request, response, purl) {
 			response.end();
 			return;
 		}
-
 	}
 
 	if(typeof purlClass.layout == "undefined") {
diff --git a/myapp.js b/myapp.js
index 9e5d7c1..da5713d 100644
--- a/myapp.js
+++ b/myapp.js
@@ -1,7 +1,8 @@
 var app = require("./lib/app.js");
 
 app.setPort(8888);
-app.setDefaultMainPurl("main.js");
+app.setPurlPath("./purls");
+app.setDefaultMainPurl("main");
 app.addMenu("name1", "/linkto1");
 app.addMenu("name2", "/linkto2");
 app.addMenu("name3", "/linkto3");
-- 
1.7.0.4