From 5fa235a556d384117840b7088575012dcd1787dd Mon Sep 17 00:00:00 2001
From: Jules Laplace <jules@okfoc.us>
Date: Mon, 17 Nov 2014 15:46:39 -0500
Subject: polygonal lasso

---
 assets/javascripts/util/permissions.js | 49 ++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 assets/javascripts/util/permissions.js

(limited to 'assets/javascripts/util/permissions.js')

diff --git a/assets/javascripts/util/permissions.js b/assets/javascripts/util/permissions.js
new file mode 100644
index 0000000..9e3ef4d
--- /dev/null
+++ b/assets/javascripts/util/permissions.js
@@ -0,0 +1,49 @@
+
+var Permissions = function(ops){
+	var base = this
+	base.keys = _.keys(ops)
+	base.keys.forEach(function(op){
+		base[op] = ops[op]
+	})
+}
+
+Permissions.prototype.toggle = function (key) {	
+	var base = this
+	var state = ! base[key]
+	base.keys.forEach(function(op){
+		base[op] = op == key ? state : false
+	})
+	return state
+}
+
+Permissions.prototype.assign = function (key, state) {	
+	var base = this
+	base.keys.forEach(function(op){
+		base[op] = op == key ? state : false
+	})
+	return state
+}
+
+Permissions.prototype.add = function (key) {	
+	var base = this
+	base[key] = true
+}
+
+Permissions.prototype.remove = function (key) {	
+	var base = this
+	base[key] = false
+}
+
+Permissions.prototype.clear = function () {	
+	var base = this
+	base.keys.forEach(function(op){
+		base[op] = false
+	})
+}
+
+Permissions.prototype.log = function () {
+  var base = this
+  base.keys.forEach(function(op){
+    console.log(op, base[op])
+  })
+}
\ No newline at end of file
-- 
cgit v1.2.3-70-g09d2