2 // ObjectVersionsViewController.m
5 // Copyright 2011-2012 GRNET S.A. All rights reserved.
7 // Redistribution and use in source and binary forms, with or
8 // without modification, are permitted provided that the following
11 // 1. Redistributions of source code must retain the above
12 // copyright notice, this list of conditions and the following
15 // 2. Redistributions in binary form must reproduce the above
16 // copyright notice, this list of conditions and the following
17 // disclaimer in the documentation and/or other materials
18 // provided with the distribution.
20 // THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
21 // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
24 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
27 // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 // POSSIBILITY OF SUCH DAMAGE.
33 // The views and conclusions contained in the software and
34 // documentation are those of the authors and should not be
35 // interpreted as representing official policies, either expressed
36 // or implied, of GRNET S.A.
38 #import "ObjectVersionsViewController.h"
39 #import "StorageObjectViewController.h"
40 #import "OpenStackAccount.h"
41 #import "OpenStackRequest.h"
42 #import "AccountManager.h"
43 #import "APICallback.h"
45 #import "ActivityIndicatorView.h"
46 #import "UIViewController+Conveniences.h"
47 #import "StorageObject.h"
49 @implementation ObjectVersionsViewController
51 @synthesize versions, account, container, object;
53 #pragma mark - View lifecycle
57 self.navigationItem.title = @"Versions";
58 self.versions = [NSMutableArray array];
61 __block ActivityIndicatorView *activityIndicatorView = [ActivityIndicatorView activityIndicatorViewWithText:@"Loading..."
62 andAddToView:self.view];
63 [[self.account.manager getObjectVersionsList:container object:object]
64 success:^(OpenStackRequest *request) {
65 [versions addObjectsFromArray:[request versions]];
66 [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
68 [self.tableView reloadData];
70 failure:^(OpenStackRequest *request) {
71 [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
72 [self alert:@"Couldn't get versions from server." request:request];
76 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
77 return ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);
80 #pragma mark - Memory management
90 #pragma mark - Table view data source
92 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
96 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
100 return MAX(1, versions.count);
103 - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
104 static NSString *CellIdentifier = @"Cell";
106 UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
108 cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
110 cell.userInteractionEnabled = YES;
111 cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
112 cell.selectionStyle = UITableViewCellSelectionStyleBlue;
113 if (versions.count == 0 || !versions) {
114 cell.textLabel.text = @"No previous versions available";
115 cell.userInteractionEnabled = NO;
116 cell.accessoryType = UITableViewCellAccessoryNone;
117 cell.selectionStyle = UITableViewCellSelectionStyleNone;
119 NSDictionary *versionDetails = [versions objectAtIndex:indexPath.row];
120 cell.textLabel.text = [[versionDetails objectForKey:@"versionID"] description];
121 NSString *dateString = [NSDateFormatter localizedStringFromDate:[versionDetails objectForKey:@"versionDate"]
122 dateStyle:NSDateFormatterMediumStyle
123 timeStyle:NSDateFormatterMediumStyle];
124 cell.detailTextLabel.text = dateString;
130 #pragma mark - Table view delegate
132 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
133 __block ActivityIndicatorView *activityIndicatorView = [ActivityIndicatorView activityIndicatorViewWithText:@"Loading..."
134 andAddToView:self.view];
135 NSDictionary *versionDetails = [versions objectAtIndex:indexPath.row];
136 NSString *versionID = [[versionDetails objectForKey:@"versionID"] description];
137 [[self.account.manager getObjectInfo:container object:object version:versionID]
138 success:^(OpenStackRequest *request) {
139 [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
140 StorageObject *versionedObject = [[[StorageObject alloc] init] autorelease];
141 versionedObject.name = object.name;
142 versionedObject.fullPath = object.fullPath;
143 [versionedObject setPropertiesfromResponseHeaders:request.responseHeaders];
144 StorageObjectViewController *vc = [[StorageObjectViewController alloc] initWithNibName:@"StorageObjectViewController" bundle:nil];
145 vc.objectIsReadOnly = YES;
146 vc.account = account;
147 vc.container = container;
148 vc.object = versionedObject;
149 vc.versionID = versionID;
150 [self.navigationController pushViewController:vc animated:YES];
152 [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
154 failure:^(OpenStackRequest *request) {
155 [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
156 [self alert:[NSString stringWithFormat:@"Failed to get file info for version: %@", versionID] request:request];