Refactoring more of startup.js into modules

core/modules/startup/password.js

@@ -0,0 +1,47 @@
+/*\
+title: $:/core/modules/startup/password.js
+type: application/javascript
+module-type: startup
+
+Password handling
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+// Export name and synchronous status
+exports.name = "password";
+exports.platforms = ["browser"];
+exports.after = ["startup"];
+exports.synchronous = true;
+
+exports.startup = function() {
+	$tw.rootWidget.addEventListener("tw-set-password",function(event) {
+		$tw.passwordPrompt.createPrompt({
+			serviceName: "Set a new password for this TiddlyWiki",
+			noUserName: true,
+			submitText: "Set password",
+			canCancel: true,
+			callback: function(data) {
+				if(data) {
+					$tw.crypto.setPassword(data.password);
+				}
+				return true; // Get rid of the password prompt
+			}
+		});
+	});
+	$tw.rootWidget.addEventListener("tw-clear-password",function(event) {
+		$tw.crypto.setPassword(null);
+	});
+	// Ensure that $:/isEncrypted is maintained properly
+	$tw.wiki.addEventListener("change",function(changes) {
+		if($tw.utils.hop(changes,"$:/isEncrypted")) {
+			$tw.crypto.updateCryptoStateTiddler();
+		}
+	});
+};
+
+})();