Synnefo » Pithos iOS Client

//

//  AccountGroupsViewController.m

//  pithos-ios

//

// Copyright 2011 GRNET S.A. All rights reserved.

//

// Redistribution and use in source and binary forms, with or

// without modification, are permitted provided that the following

// conditions are met:

// 

//   1. Redistributions of source code must retain the above

//      copyright notice, this list of conditions and the following

//      disclaimer.

// 

//   2. Redistributions in binary form must reproduce the above

//      copyright notice, this list of conditions and the following

//      disclaimer in the documentation and/or other materials

//      provided with the distribution.

// 

// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

// 

// The views and conclusions contained in the software and

// documentation are those of the authors and should not be

// interpreted as representing official policies, either expressed

// or implied, of GRNET S.A.

#import "AccountGroupsViewController.h"

#import "AccountManager.h"

#import "OpenStackRequest.h"

#import "EditAccountGroupsViewController.h"

#import "UIViewController+Conveniences.h"

#import "NSString+Conveniences.h"

#import "APICallback.h"

@implementation AccountGroupsViewController

@synthesize account, groups;

- (void)dealloc

{

    [account release];

    [groups release];

    [metadata release];

    [activityIndicatorView release];

    [super dealloc];

}

#pragma mark - View lifecycle

- (void)viewDidLoad

{

    [super viewDidLoad];

    self.navigationItem.title = @"Groups";

    groups = [[NSMutableDictionary alloc] init];

    metadata = [[NSMutableDictionary alloc] init];

    NSString *activityMessage = @"Loading..";

    [activityIndicatorView release];

    activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];

    [activityIndicatorView addToView:self.view];

    [[self.account.manager getStorageAccountInfo] 

     success:^(OpenStackRequest *request) {

         [activityIndicatorView removeFromSuperview];

         for (NSString *key in request.responseHeaders) {

             if ([key hasPrefix:@"X-Account-Group-"]) {

                 NSString *groupUsers = [NSString decodeFromPercentEscape:[request.responseHeaders objectForKey:key]];

                 NSString *groupName = [NSString decodeFromPercentEscape:[key substringFromIndex:16]];

                 [groups setObject:groupUsers forKey:groupName];

             }

         }

         for (NSString *header in request.responseHeaders) {

             if ([header hasPrefix:@"X-Account-Meta-"])  {

                 NSString *metadataKey = [NSString decodeFromPercentEscape:[header substringFromIndex:15]];

                 NSString *metadataValue = [NSString decodeFromPercentEscape:[request.responseHeaders objectForKey:header]];

                 [metadata setObject:metadataValue forKey:metadataKey];

             }

         }

         [self.tableView reloadData];

     }

     failure:^(OpenStackRequest *request) {

         [activityIndicatorView removeFromSuperview];

         [self alert:@"Error" message:@"Failed to get account information"];

     }];

}

- (void)viewDidUnload

{

    [super viewDidUnload];

    // Release any retained subviews of the main view.

    // e.g. self.myOutlet = nil;

}

- (void)viewWillAppear:(BOOL)animated

{

    [super viewWillAppear:animated];

    [self.tableView reloadData];

}

- (void)viewDidAppear:(BOOL)animated

{

    [super viewDidAppear:animated];

}

- (void)viewWillDisappear:(BOOL)animated

{

    [super viewWillDisappear:animated];

}

- (void)viewDidDisappear:(BOOL)animated

{

    [super viewDidDisappear:animated];

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {

    return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);

}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

    return 1;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    return [groups count] + 1;

}

- (CGFloat)findLabelHeight:(NSString*)text font:(UIFont *)font {

    CGSize textLabelSize;    

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

        // 616, 678

        textLabelSize = CGSizeMake(596.0, 9000.0f);

    } else {

        textLabelSize = CGSizeMake(280.0, 9000.0f);

    }

    CGSize stringSize = [text sizeWithFont:font constrainedToSize:textLabelSize lineBreakMode:UILineBreakModeCharacterWrap];

    return stringSize.height;

}

- (CGFloat)tableView:(UITableView *)aTableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {

    CGFloat result;

    if ([groups count] > 0 && indexPath.row < [groups count]) {

        NSString *groupName = [[groups allKeys] objectAtIndex:indexPath.row];

        NSString *groupUsers = [groups objectForKey:groupName];

        result = 22.0 + [self findLabelHeight:[NSString stringWithFormat:@"%@", groupUsers] font:[UIFont systemFontOfSize:18.0]];

        return MAX(aTableView.rowHeight, result);

    }

    return aTableView.rowHeight;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    static NSString *CellIdentifier = @"Cell";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:CellIdentifier] autorelease];

    }

    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

    if (indexPath.row < [groups count]) {

        NSString *groupName = [[groups allKeys] objectAtIndex:indexPath.row];

        cell.textLabel.text = groupName;

        cell.detailTextLabel.text = [groups objectForKey:groupName];

        cell.detailTextLabel.numberOfLines = 0;

        cell.detailTextLabel.lineBreakMode = UILineBreakModeCharacterWrap;

    }

    else {

        cell.textLabel.text = @"Add Group";

        cell.detailTextLabel.text = @"";

    }

    return cell;

}

#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

    EditAccountGroupsViewController *vc = [[EditAccountGroupsViewController alloc] initWithNibName:@"EditAccountGroupsViewController" bundle:nil];

    vc.account = self.account;

    vc.metadata = metadata;

    vc.groups = groups;

    if (indexPath.row < [groups count]) {        

        NSString *groupName = [[groups allKeys] objectAtIndex:indexPath.row];

        NSString *groupUsers = [groups objectForKey:groupName];

        vc.removeGroupEnabled = YES;

        vc.groupName = groupName;

        vc.groupUsers = groupUsers;

        vc.navigationItem.title = @"Edit Group";

    }

    else {

        vc.removeGroupEnabled = NO;

        vc.groupName = @"";

        vc.groupUsers = @"";

        vc.navigationItem.title = @"Add Group";

    }

    [self.navigationController pushViewController:vc animated:YES];

    [vc release];

}

@end