code.grnet.gr Git - pithos-ios/blob - Classes/EditPolicyViewController.m

   1 //
   2 //  EditPolicyViewController.m
   3 //  pithos-ios
   4 //
   5 // Copyright 2011 GRNET S.A. All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or
   8 // without modification, are permitted provided that the following
   9 // conditions are met:
  10 //
  11 //   1. Redistributions of source code must retain the above
  12 //      copyright notice, this list of conditions and the following
  13 //      disclaimer.
  14 //
  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.
  19 //
  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.
  32 //
  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.
  37
  38 #import "EditPolicyViewController.h"
  39 #import "UIViewController+Conveniences.h"
  40 #import "AccountManager.h"
  41 #import "ContainerDetailViewController.h"
  42 #import "ContainersViewController.h"
  43 #import "APICallback.h"
  44
  45 #define kVersioning 0
  46 #define kQuota 1
  47 #define kSavePolicy 2
  48
  49 @implementation EditPolicyViewController
  50
  51 @synthesize account, container, containerDetailViewController;
  52 @synthesize oldVersioning, oldQuota;
  53
  54 - (void)dealloc
  55 {
  56     [account release];
  57     [container release];
  58     [oldVersioning release];
  59     [activityIndicatorView release];
  60     [super dealloc];
  61 }
  62
  63 - (void)didReceiveMemoryWarning
  64 {
  65     [super didReceiveMemoryWarning];
  66
  67 }
  68
  69 #pragma mark - Helper Methods
  70
  71 - (void) configVersioningVariables
  72 {
  73     if ([container.versioning rangeOfString:@"auto"].location != NSNotFound) {
  74         autoVersioning = YES;
  75         manualVersioning = NO;
  76         noVersioning = NO;
  77     }
  78     else if ([container.versioning rangeOfString:@"manual"].location != NSNotFound) {
  79         autoVersioning = NO;
  80         manualVersioning = YES;
  81         noVersioning = NO;
  82     }
  83     else if ([container.versioning rangeOfString:@"none"].location != NSNotFound) {
  84         autoVersioning = NO;
  85         manualVersioning = NO;
  86         noVersioning = YES;
  87     }
  88 }
  89
  90 #pragma mark - View lifecycle
  91
  92 - (void)viewDidLoad
  93 {
  94     [super viewDidLoad];
  95     [self configVersioningVariables];
  96     self.navigationItem.title = @"Edit policy";
  97 }
  98
  99 - (void)viewDidUnload
 100 {
 101     [super viewDidUnload];
 102 }
 103
 104 - (void)viewWillAppear:(BOOL)animated
 105 {
 106     [super viewWillAppear:animated];
 107     self.oldQuota = container.quota;
 108 }
 109
 110 - (void)viewDidAppear:(BOOL)animated
 111 {
 112     [super viewDidAppear:animated];
 113 }
 114
 115 - (void)viewWillDisappear:(BOOL)animated
 116 {
 117     [super viewWillDisappear:animated];
 118 }
 119
 120 - (void)viewDidDisappear:(BOOL)animated
 121 {
 122     [super viewDidDisappear:animated];
 123 }
 124
 125 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
 126     return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);
 127 }
 128
 129 #pragma mark - Table view data source
 130
 131 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
 132 {
 133     return 3;
 134 }
 135
 136 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
 137 {
 138     if (section == kVersioning)
 139         return 2;
 140     else
 141         return 1;
 142 }
 143
 144 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
 145 {
 146     static NSString *CellIdentifier = @"Cell";
 147
 148     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
 149     if (cell == nil) {
 150         cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
 151     }
 152
 153
 154     if (indexPath.section == kVersioning) {
 155         cell.selectionStyle = UITableViewCellSelectionStyleNone;
 156         if (indexPath.row == 0) {
 157             cell.textLabel.text = @"Auto";
 158             if (autoVersioning)
 159                 cell.accessoryType = UITableViewCellAccessoryCheckmark;
 160             else
 161                 cell.accessoryType = UITableViewCellAccessoryNone;
 162         }
 163         else if (indexPath.row == 1) {
 164             cell.textLabel.text = @"Manual";
 165             if (manualVersioning)
 166                 cell.accessoryType = UITableViewCellAccessoryCheckmark;
 167             else
 168                 cell.accessoryType = UITableViewCellAccessoryNone;
 169         }
 170         else if (indexPath.row == 2) {
 171             cell.textLabel.text = @"None";
 172             if (noVersioning)
 173                 cell.accessoryType = UITableViewCellAccessoryCheckmark;
 174             else
 175                 cell.accessoryType = UITableViewCellAccessoryNone;
 176         }
 177     }
 178     else if (indexPath.section == kQuota) {
 179         UITextField *textField = nil;
 180         for (id subView in cell.contentView.subviews) {
 181             if ([subView isKindOfClass:[UITextField class]]) {
 182                 textField = (UITextField *)subView;
 183             }
 184         }
 185
 186         if (textField == nil) {
 187             CGRect bounds = [cell.contentView bounds];
 188             CGRect rect = CGRectInset(bounds, 10.0, 10.0);
 189             textField = [[[UITextField alloc] initWithFrame:rect] autorelease];
 190             [textField setFrame:rect];
 191         }
 192         [textField setClearButtonMode:UITextFieldViewModeWhileEditing];
 193         [textField setBackgroundColor:[UIColor clearColor]];
 194         [textField setOpaque:YES];
 195         [textField setAutocorrectionType:UITextAutocorrectionTypeNo];
 196         [textField setAutocapitalizationType:UITextAutocapitalizationTypeNone];
 197         [textField setDelegate:self];
 198         textField.keyboardType = UIKeyboardTypeNumberPad;
 199         textField.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
 200
 201         cell.selectionStyle = UITableViewCellSelectionStyleNone;
 202         textField.text = [NSString stringWithFormat:@"%u", self.container.quota];
 203         [cell.contentView addSubview:textField];
 204         cell.accessoryType = UITableViewCellAccessoryNone;
 205     }
 206     else if (indexPath.section == kSavePolicy) {
 207         cell.textLabel.text = @"Save";
 208         cell.accessoryType = UITableViewCellAccessoryNone;
 209         cell.selectionStyle = UITableViewCellSelectionStyleBlue;
 210     }
 211
 212     return cell;
 213 }
 214
 215 - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
 216 {
 217     if (section == kVersioning)
 218         return @"Versioning";
 219     else if (section == kQuota)
 220         return @"Quota";
 221     else
 222         return nil;
 223 }
 224
 225
 226 #pragma mark - Table view delegate
 227
 228 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
 229 {
 230
 231     if (indexPath.section != kQuota)
 232         [self.view endEditing:YES];
 233
 234     if (indexPath.section == kVersioning) {
 235         if (indexPath.row == 0) {
 236             if (!autoVersioning) {
 237                 autoVersioning = YES;
 238                 manualVersioning = NO;
 239                 noVersioning = NO;
 240             }
 241         }
 242         else if (indexPath.row == 1) {
 243             if (!manualVersioning) {
 244                 autoVersioning = NO;
 245                 manualVersioning = YES;
 246                 noVersioning = NO;
 247              }
 248         }
 249         else if (indexPath.row == 2) {
 250             if (!noVersioning) {
 251                 autoVersioning = NO;
 252                 manualVersioning = NO;
 253                 noVersioning = NO;
 254             }
 255         }
 256         [self.tableView reloadData];
 257     }
 258     else if (indexPath.section == kSavePolicy) {
 259         NSIndexPath *quotaCellIndexPath = [NSIndexPath indexPathForRow:0 inSection:kQuota];
 260         UITableViewCell *cell = [self.tableView cellForRowAtIndexPath:quotaCellIndexPath];
 261         UITextField *textField = [[cell.contentView subviews] objectAtIndex:0];
 262         self.container.quota = [textField.text integerValue];
 263
 264         self.oldVersioning = container.versioning;
 265
 266         if (autoVersioning)
 267             container.versioning = @"auto";
 268         else if (manualVersioning)
 269             container.versioning = @"manual";
 270         else if (noVersioning)
 271             container.versioning = @"none";
 272
 273         NSString *activityMessage = @"Applying policy...";
 274         [activityIndicatorView release];
 275         activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];
 276         [activityIndicatorView addToView:self.view];
 277
 278         [[self.account.manager writeContainerPolicy:container]
 279          success:^(OpenStackRequest *request) {
 280              [self.tableView reloadData];
 281              if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
 282                  [self.containerDetailViewController.containersViewController refreshButtonPressed:nil];
 283              [activityIndicatorView removeFromSuperview];
 284              [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 285          }
 286          failure:^(OpenStackRequest *request) {
 287              container.versioning = self.oldVersioning;
 288              container.quota = self.oldQuota;
 289              [self configVersioningVariables];
 290              [self.tableView reloadData];
 291
 292              [activityIndicatorView removeFromSuperview];
 293              [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
 294              [self.tableView reloadData];
 295              [self alert:@"There was a problem applying the policy." request:request];
 296          }];
 297     }
 298 }
 299
 300 #pragma mark - Textfield delegate
 301
 302 - (void)textFieldDidEndEditing:(UITextField *)textField
 303 {
 304     self.oldQuota = container.quota;
 305
 306     NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] init];
 307     [numberFormatter setAllowsFloats:NO];
 308     if (![numberFormatter numberFromString:textField.text]) {
 309         [self alert:@"Invalid quota value" message:@"Only integers are accepted as valid quota values"];
 310         textField.text = [NSString stringWithFormat:@"%d", self.oldQuota];
 311         [self.tableView reloadData];
 312     }
 313     [numberFormatter release];
 314 }
 315
 316
 317 - (BOOL)textFieldShouldReturn:(UITextField *)textField
 318 {
 319     [textField resignFirstResponder];
 320     return YES;
 321 }
 322
 323
 324 @end