added enabeEnry/showEntry methods

Author: mar10

demo/index.html

@@ -76,7 +76,8 @@
 				target = event.relatedTarget;
 			console.log("beforeOpen", this, event, ui);
 			$menu.append($("<li>").text("hurz"));
-			$menu.contextmenu("enableEntry", "cut", false);
+			$(document).contextmenu("enableEntry", "cut", false);
+			$(document).contextmenu("showEntry", "paste", false);
 			// optionally return false, to prevent opening the menu now
 		}
 	});

jquery.ui-contextmenu.js

@@ -232,7 +232,12 @@
 		/** Enable or disable the menu command. */
 		enableEntry: function(cmd, flag){
 			var $entry = this.element.find("a[href=#" + cmd + "]");
-			$entry.toggleClass("ui-status-disabled", (flag === false));
+			$entry.toggleClass("ui-state-disabled", (flag === false));
+		},
+		/** Show or hide the menu command. */
+		showEntry: function(cmd, flag){
+			var $entry = this.element.find("a[href=#" + cmd + "]");
+			$entry.toggle(flag !== false);
 		}
 	});