WebHistoryView: Also use the tree context menu

PBWebHistoryController.m

@@ -88,6 +88,8 @@ contextMenuItemsForElement:(NSDictionary *)element
 			NSLog(@"Could not find selected ref!");
 			return defaultMenuItems;
 		}
+		if ([node hasAttributes] && [[node attributes] getNamedItem:@"representedFile"])
+			return [historyController menuItemsForPaths:[NSArray arrayWithObject:[[[node attributes] getNamedItem:@"representedFile"] value]]];
 
 		node = [node parentNode];
 	}

html/views/history/history.js

@@ -202,26 +202,32 @@ var showDiff = function() {
 		var link = document.createElement("a");
 		link.setAttribute("href", "#" + id);
 		p.appendChild(link);
-		var buttonType = ""
+		var buttonType = "";
+		var finalFile = "";
 		if (name1 == name2) {
 			buttonType = "changed"
-			link.appendChild(document.createTextNode(name1));
+			finalFile = name1;
 			if (mode_change)
 				p.appendChild(document.createTextNode(" mode " + old_mode + " -> " + new_mode));
 		}
 		else if (name1 == "/dev/null") {
 			buttonType = "created";
-			link.appendChild(document.createTextNode(name2));
+			finalFile = name2;
 		}
 		else if (name2 == "/dev/null") {
 			buttonType = "deleted";
-			link.appendChild(document.createTextNode(name1));
+			finalFile = name1;
 		}
 		else {
 			buttonType = "renamed";
-			link.appendChild(document.createTextNode(name2));
+			finalFile = name2;
 			p.insertBefore(document.createTextNode(name1 + " -> "), link);
 		}
+
+		link.appendChild(document.createTextNode(finalFile));
+		button.setAttribute("representedFile", finalFile);
+		link.setAttribute("representedFile", finalFile);
+
 		button.setAttribute("class", "button " + buttonType);
 		button.appendChild(document.createTextNode(buttonType));
 		$("files").appendChild(button);