1 files changed, 26 insertions, 0 deletions
diff --git a/asciifarm/client/display/selector.py b/asciifarm/client/display/selector.py
new file mode 100644
index 0000000..41249c2
--- /dev/null
+++ b/asciifarm/client/display/selector.py
@@ -0,0 +1,26 @@
+
+
+class Selector:
+    
+    
+    def __init__(self, inventory):
+        self.value = 0
+        self.inventory = inventory
+    
+    def getValue(self):
+        return min(self.value, self.inventory.getNumItems()-1)
+    
+    def select(self, value, relative=False):
+        invLen = self.inventory.getNumItems()
+        if relative:
+            value += self.selector
+        if value < 0:
+            if not relative:
+                value += invLen
+            else:
+                value = 0
+        if value >= invLen:
+            value = invLen-1
+        if value in range(invLen):
+            self.selector = value
+            self.inventory.change()