root / Classes / FolderDetailViewController.m @ 54fd5c36
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// FolderDetailViewController.m |
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// pithos-ios |
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// |
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// Copyright 2011 GRNET S.A. All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or |
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// without modification, are permitted provided that the following |
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// conditions are met: |
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// |
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// 1. Redistributions of source code must retain the above |
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// copyright notice, this list of conditions and the following |
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// disclaimer. |
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// |
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// 2. Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following |
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// disclaimer in the documentation and/or other materials |
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// provided with the distribution. |
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// |
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// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
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// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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// POSSIBILITY OF SUCH DAMAGE. |
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// |
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// The views and conclusions contained in the software and |
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// documentation are those of the authors and should not be |
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// interpreted as representing official policies, either expressed |
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// or implied, of GRNET S.A. |
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|
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#import "FolderDetailViewController.h" |
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#import "EditMetadataViewController.h" |
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#import "EditPermissionsViewController.h" |
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#import "StorageObject.h" |
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#import "APICallback.h" |
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#import "AccountManager.h" |
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#import "UIViewController+Conveniences.h" |
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|
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#define kOverview 0 |
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#define kMetadata 1 |
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#define kPermissions 2 |
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|
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#define maxMetadataViewableLength 12 |
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|
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|
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@implementation FolderDetailViewController |
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|
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@synthesize account, container, folder, folderViewController; |
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|
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#pragma mark - |
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#pragma mark Memory management |
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|
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- (void)dealloc |
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{ |
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[object release]; |
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[account release]; |
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[container release]; |
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[folderViewController release]; |
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[folder release]; |
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[permissions release]; |
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[super dealloc]; |
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} |
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|
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- (void)didReceiveMemoryWarning |
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{ |
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// Releases the view if it doesn't have a superview. |
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[super didReceiveMemoryWarning]; |
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|
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// Release any cached data, images, etc that aren't in use. |
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} |
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|
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#pragma mark - View lifecycle |
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|
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- (void)viewDidLoad |
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{ |
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[super viewDidLoad]; |
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permissions = [[NSMutableDictionary alloc] init]; |
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if (folder.sharing.length > 0) { |
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NSArray *sharingArray = [folder.sharing componentsSeparatedByString:@";"]; |
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for (NSString *typeSpecificPermissions in sharingArray) { |
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NSArray *array=[typeSpecificPermissions componentsSeparatedByString:@"="]; |
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NSString *permissionsType = [array objectAtIndex:0]; |
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if ([permissionsType hasPrefix:@" "]) |
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permissionsType = [permissionsType substringFromIndex:1]; |
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|
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NSArray *users = [[array objectAtIndex:1] componentsSeparatedByString:@","]; |
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for (NSString *user in users) { |
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[permissions setObject:permissionsType forKey:user]; |
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} |
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} |
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} |
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|
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folderIsReadOnly = NO; |
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if (account.sharingAccount) { |
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if ([permissions count] > 0) { |
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folderIsReadOnly = [[permissions objectForKey:[account username]] isEqualToString:@"read"]; |
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} |
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} |
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|
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object = [[StorageObject alloc] init]; |
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object.name = folder.name; |
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object.metadata = folder.metadata; |
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object.fullPath = [folder fullPath]; |
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object.sharing = folder.sharing; |
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object.contentType = folder.contentType; |
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} |
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|
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- (void)viewDidUnload |
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{ |
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[super viewDidUnload]; |
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} |
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|
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- (void)viewWillAppear:(BOOL)animated |
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{ |
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[super viewWillAppear:animated]; |
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[self.tableView reloadData]; |
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} |
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|
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- (void)viewDidAppear:(BOOL)animated |
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{ |
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[super viewDidAppear:animated]; |
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if (folder.metadata == nil) { |
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[self reloadMetadataSection]; |
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} |
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} |
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|
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- (void)viewWillDisappear:(BOOL)animated |
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{ |
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[super viewWillDisappear:animated]; |
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folder.sharing = object.sharing; |
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} |
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|
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- (void)viewDidDisappear:(BOOL)animated |
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{ |
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[super viewDidDisappear:animated]; |
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} |
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|
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- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation { |
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return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait); |
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} |
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|
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#pragma mark - Table view data source |
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|
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- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView |
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{ |
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return 3; |
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} |
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|
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section |
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{ |
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if (section == kOverview) |
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return 2; |
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else if (section == kPermissions) { |
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if (account.sharingAccount) |
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return [permissions count]; |
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else |
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return 1 + [permissions count]; |
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} |
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else if (section == kMetadata) |
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if (folderIsReadOnly) |
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return [folder.metadata count]; |
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else |
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return 1 + [folder.metadata count]; |
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return 0; |
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} |
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|
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- (CGFloat)findLabelHeight:(NSString*)text font:(UIFont *)font { |
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CGSize textLabelSize; |
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if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { |
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textLabelSize = CGSizeMake(537.0, 9000.0f); |
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} else { |
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textLabelSize = CGSizeMake(221.0, 9000.0f); |
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} |
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|
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CGSize stringSize = [text sizeWithFont:font constrainedToSize:textLabelSize lineBreakMode:UILineBreakModeCharacterWrap]; |
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return stringSize.height; |
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} |
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|
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- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { |
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CGFloat result = tableView.rowHeight; |
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|
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if (indexPath.section == kOverview) { |
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if (indexPath.row == 0) { |
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result = 22 + [self findLabelHeight:folder.name font:[UIFont systemFontOfSize:18.0]]; |
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|
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return MAX(tableView.rowHeight, result); |
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} else if (indexPath.row == 1) { |
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NSString *folderFullPathToShow = folder.fullPath; |
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if ([folderFullPathToShow hasPrefix:@"/"]) { |
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folderFullPathToShow = [folderFullPathToShow substringFromIndex:1]; |
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} |
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result = 22 + [self findLabelHeight:folderFullPathToShow font:[UIFont systemFontOfSize:18.0]]; |
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|
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return MAX(tableView.rowHeight, result); |
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} |
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} |
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return tableView.rowHeight; |
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} |
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|
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|
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath |
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{ |
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static NSString *CellIdentifier = @"Cell"; |
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|
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UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; |
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if (cell == nil) { |
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cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:CellIdentifier] autorelease]; |
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|
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cell.textLabel.backgroundColor = [UIColor clearColor]; |
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cell.detailTextLabel.backgroundColor = [UIColor clearColor]; |
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cell.detailTextLabel.numberOfLines = 0; |
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cell.detailTextLabel.lineBreakMode = UILineBreakModeWordWrap; |
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cell.detailTextLabel.textAlignment = UITextAlignmentRight; |
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} |
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|
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if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { |
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cell.backgroundColor = [UIColor colorWithRed:1 green:1 blue:1 alpha:0.8]; |
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} |
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|
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if (indexPath.section == kOverview) { |
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cell.accessoryType = UITableViewCellAccessoryNone; |
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cell.selectionStyle = UITableViewCellSelectionStyleNone; |
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cell.accessoryView = nil; |
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if (indexPath.row == 0) { |
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cell.textLabel.text = @"Name"; |
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cell.detailTextLabel.text = folder.name; |
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} else if (indexPath.row == 1) { |
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cell.textLabel.text = @"Full Path"; |
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NSString *folderFullPathToShow = folder.fullPath; |
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if ([folderFullPathToShow hasPrefix:@"/"]) { |
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folderFullPathToShow = [folderFullPathToShow substringFromIndex:1]; |
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} |
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cell.detailTextLabel.text = folderFullPathToShow; |
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} |
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} else if (indexPath.section == kMetadata) { |
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if (folderIsReadOnly) { |
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cell.accessoryType = UITableViewCellAccessoryNone; |
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cell.selectionStyle = UITableViewCellSelectionStyleNone; |
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cell.userInteractionEnabled = NO; |
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} |
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else { |
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cell.selectionStyle = UITableViewCellSelectionStyleBlue; |
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cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; |
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} |
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cell.accessoryView = nil; |
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if (indexPath.row == [folder.metadata count]) { |
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cell.textLabel.text = @"Add Metadata"; |
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cell.detailTextLabel.text = @""; |
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} else { |
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NSString *key = [[folder.metadata allKeys] objectAtIndex:indexPath.row]; |
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NSString *value = [folder.metadata objectForKey:key]; |
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NSString *metadataKeyCellText = key; |
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NSString *metadataValueCellText = value; |
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if ([metadataKeyCellText length] > maxMetadataViewableLength) { |
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metadataKeyCellText = [metadataKeyCellText substringToIndex:(maxMetadataViewableLength - 3)]; |
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metadataKeyCellText = [metadataKeyCellText stringByAppendingString:@"..."]; |
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} |
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if ([metadataValueCellText length] > maxMetadataViewableLength) { |
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metadataValueCellText = [metadataValueCellText substringToIndex:(maxMetadataViewableLength - 3)]; |
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metadataValueCellText = [metadataValueCellText stringByAppendingString:@"..."]; |
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} |
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|
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cell.textLabel.text = metadataKeyCellText; |
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cell.detailTextLabel.text = metadataValueCellText; |
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} |
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} else if (indexPath.section == kPermissions) { |
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if (account.sharingAccount) { |
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cell.accessoryType = UITableViewCellAccessoryNone; |
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cell.selectionStyle = UITableViewCellSelectionStyleNone; |
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cell.userInteractionEnabled = NO; |
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} |
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else { |
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cell.selectionStyle = UITableViewCellSelectionStyleBlue; |
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cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; |
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} |
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cell.accessoryView = nil; |
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|
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if (indexPath.row == [permissions count]) { |
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cell.textLabel.text = @"Add Permissions"; |
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cell.detailTextLabel.text = @""; |
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} |
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else { |
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NSString *user = [[permissions allKeys] objectAtIndex:indexPath.row]; |
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cell.textLabel.text = user; |
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cell.detailTextLabel.text = [permissions objectForKey:user]; |
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} |
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} |
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|
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return cell; |
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} |
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|
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|
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#pragma mark - Table view delegate |
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|
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath |
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{ |
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if (indexPath.section == kMetadata) { |
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EditMetadataViewController *vc = [[EditMetadataViewController alloc] initWithNibName:@"EditMetadataViewController" bundle:nil]; |
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NSString *metadataKey; |
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NSString *metadataValue; |
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|
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if (indexPath.row == [self.folder.metadata count]) { |
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metadataKey = @""; |
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metadataValue = @""; |
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vc.removeMetadataEnabled = FALSE; |
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vc.navigationItem.title = @"Add Metadata"; |
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} |
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else { |
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metadataKey = [[self.folder.metadata allKeys] objectAtIndex:indexPath.row]; |
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metadataValue = [self.folder.metadata objectForKey:metadataKey]; |
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vc.removeMetadataEnabled = TRUE; |
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vc.navigationItem.title = @"Edit Metadata"; |
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} |
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|
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vc.metadataKey = metadataKey; |
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vc.metadataValue = metadataValue; |
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vc.account = account; |
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vc.container = container; |
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vc.object = object; |
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vc.objectIsFolder = YES; |
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vc.folderViewController = folderViewController; |
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|
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[self.navigationController pushViewController:vc animated:YES]; |
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[vc release]; |
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} else if (indexPath.section == kPermissions) { |
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EditPermissionsViewController *vc = [[EditPermissionsViewController alloc] initWithNibName:@"EditPermissionsViewController" bundle:nil]; |
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NSString *user; |
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|
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if (indexPath.row == [permissions count]) { |
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user = @""; |
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vc.removePermissionsEnabled = NO; |
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vc.navigationItem.title = @"Add Permissions"; |
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} |
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else { |
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user = [[permissions allKeys] objectAtIndex:indexPath.row]; |
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NSString *userPermissions = [permissions objectForKey:user]; |
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if ([userPermissions rangeOfString:@"read"].location != NSNotFound) |
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vc.readPermissionSelected = YES; |
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else |
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vc.readPermissionSelected = NO; |
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|
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if ([userPermissions rangeOfString:@"write"].location != NSNotFound) |
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vc.writePermissionSelected = YES; |
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else |
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vc.writePermissionSelected = NO; |
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|
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vc.removePermissionsEnabled = YES; |
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vc.navigationItem.title = @"Edit Permissions"; |
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} |
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|
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vc.user = user; |
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vc.permissions = permissions; |
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vc.account = account; |
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vc.container = container; |
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vc.object = object; |
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vc.objectIsFolder = YES; |
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vc.folderViewController = folderViewController; |
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[self.navigationController pushViewController:vc animated:YES]; |
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[vc release]; |
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} |
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} |
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|
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#pragma mark - |
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#pragma mark Helper functions |
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|
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- (void)reloadMetadataSection { |
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NSString *activityMessage = @"Loading metadata..."; |
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ActivityIndicatorView *activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage]; |
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[activityIndicatorView addToView:self.view]; |
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[[self.account.manager getObjectInfo:container object:object version:nil] |
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success:^(OpenStackRequest *request) { |
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[activityIndicatorView removeFromSuperviewAndRelease]; |
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folder.metadata = [NSMutableDictionary dictionary]; |
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for (NSString *header in request.responseHeaders) { |
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NSString *metadataKey; |
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NSString *metadataValue; |
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if ([header rangeOfString:@"X-Object-Meta-"].location != NSNotFound) { |
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metadataKey = [header substringFromIndex:14]; |
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metadataValue = [request.responseHeaders objectForKey:header]; |
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[folder.metadata setObject:metadataValue forKey:metadataKey]; |
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} |
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} |
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object.metadata = folder.metadata; |
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NSIndexSet *metadataSections = [NSIndexSet indexSetWithIndex:kMetadata]; |
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[self.tableView reloadSections:metadataSections withRowAnimation:UITableViewRowAnimationFade]; |
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} |
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failure:^(OpenStackRequest *request) { |
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[activityIndicatorView removeFromSuperviewAndRelease]; |
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[self alert:@"There was a problem retrieving the object's metadata." request:request]; |
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}]; |
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} |
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|
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@end |