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| 1 // Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE.md file. | |
| 4 | |
| 5 #import "MenuPresenter.h" | |
| 6 | |
| 7 @interface MenuPresenter () | |
| 8 | |
| 9 @property (weak) MenuNode* root; | |
| 10 @property UINavigationController* navigationController; | |
| 11 | |
| 12 @end | |
| 13 | |
| 14 @implementation MenuPresenter | |
| 15 | |
| 16 - (id)initWithCoder:(NSCoder*)aDecoder { | |
| 17 self = [super initWithCoder:aDecoder]; | |
| 18 self.navigationController = | |
| 19 [[UINavigationController alloc] initWithRootViewController:self]; | |
| 20 return self; | |
| 21 } | |
| 22 | |
| 23 - (void)presentMenu:(MenuNode*)node { | |
| 24 self.root = node; | |
| 25 [self performSelectorOnMainThread:@selector(presentOnMainThread:) | |
| 26 withObject:node | |
| 27 waitUntilDone:NO]; | |
| 28 } | |
| 29 | |
| 30 - (void)presentOnMainThread:(MenuNode*)node { | |
| 31 self.navigationController.title = node.title; | |
| 32 [self.tableView reloadData]; | |
| 33 } | |
| 34 | |
| 35 - (void)patchMenu:(MenuPatch*)patch { | |
| 36 [self performSelectorOnMainThread:@selector(patchOnMainThread:) | |
| 37 withObject:patch | |
| 38 waitUntilDone:NO]; | |
| 39 } | |
| 40 | |
| 41 - (void)patchOnMainThread:(MenuPatch*)patch { | |
| 42 if (patch.title.changed) { | |
| 43 self.navigationController.title = patch.title.current; | |
| 44 } | |
| 45 if (patch.items.changed) { | |
| 46 // TODO(zerny): selectively reload only changed cells. | |
| 47 [self.tableView reloadData]; | |
| 48 } | |
| 49 } | |
| 50 | |
| 51 - (UIViewController *)viewController { | |
| 52 return self.navigationController; | |
| 53 } | |
| 54 | |
| 55 - (NSInteger)numberOfSectionsInTableView:(UITableView*)tableView { | |
| 56 return 1; | |
| 57 } | |
| 58 | |
| 59 - (NSInteger)tableView:(UITableView*)tableView | |
| 60 numberOfRowsInSection:(NSInteger)section { | |
| 61 assert(section == 0); | |
| 62 return self.root.items.count; | |
| 63 } | |
| 64 | |
| 65 - (UITableViewCell*)tableView:(UITableView*)tableView | |
| 66 cellForRowAtIndexPath:(NSIndexPath*)indexPath { | |
| 67 UITableViewCell* cell = | |
| 68 [tableView dequeueReusableCellWithIdentifier:@"MenuItemPrototypeCell" | |
| 69 forIndexPath:indexPath]; | |
| 70 MenuItemNode* item = self.root.items[indexPath.row]; | |
| 71 cell.textLabel.text = item.title; | |
| 72 return cell; | |
| 73 } | |
| 74 | |
| 75 - (void)tableView:(UITableView*)tableView | |
| 76 didSelectRowAtIndexPath:(NSIndexPath*)indexPath { | |
| 77 MenuItemNode* item = self.root.items[indexPath.row]; | |
| 78 item.select(); | |
| 79 } | |
| 80 | |
| 81 @end | |
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