root / Classes / ContainerDetailViewController.m @ c2940e36
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// |
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// ContainerDetailViewController.m |
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// OpenStack |
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// |
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// Created by Mike Mayo on 12/22/10. |
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// The OpenStack project is provided under the Apache 2.0 license. |
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// |
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#import "ContainerDetailViewController.h" |
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#import "OpenStackAccount.h" |
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#import "Container.h" |
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#import "ActivityIndicatorView.h" |
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#import "AccountManager.h" |
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#import "UIViewController+Conveniences.h" |
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#import "UIColor+MoreColors.h" |
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#import "ContainersViewController.h" |
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#import "EditMetadataViewController.h" |
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#import "EditPolicyViewController.h" |
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#import "Folder.h" |
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#import "StorageObject.h" |
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#import "FolderViewController.h" |
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#import "OpenStackRequest.h" |
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#import "APICallback.h" |
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#import "NSString+Conveniences.h" |
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#define kOverview 0 |
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#define kMetadata 1 |
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#define maxMetadataViewableLength 12 |
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@implementation ContainerDetailViewController |
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@synthesize account, container, containersViewController, selectedContainerIndexPath, rootFolderViewController; |
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- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
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return ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait); |
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} |
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- (void)setBackgroundView {
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if (!self.container) {
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UIView *viewContainer = [[UIView alloc] init]; |
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viewContainer.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; |
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viewContainer.backgroundColor = [UIColor iPadTableBackgroundColor]; |
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UILabel *label = [[UILabel alloc] init]; |
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label.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin; |
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label.backgroundColor = [UIColor clearColor]; |
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label.textColor = [UIColor emptyCollectionGrayColor]; |
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label.font = [UIFont boldSystemFontOfSize:18.0]; |
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label.text = @"No container selected"; |
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label.textAlignment = UITextAlignmentCenter; |
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[viewContainer addSubview:label]; |
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[label release]; |
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self.tableView.backgroundView = viewContainer; |
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[viewContainer release]; |
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} |
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} |
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#pragma mark - |
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#pragma mark View lifecycle |
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- (void)viewDidLoad {
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[super viewDidLoad]; |
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if (!account.sharingAccount) {
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deleteSection = 3; |
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policySection = 2; |
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} else {
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deleteSection = -1; |
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policySection = -1; |
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} |
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} |
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- (void)viewWillAppear:(BOOL)animated {
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[super viewWillAppear:animated]; |
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if (container) {
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self.navigationItem.title = container.name; |
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} |
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[self setBackgroundView]; |
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[self.tableView reloadData]; |
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} |
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- (void)viewDidAppear:(BOOL)animated {
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[super viewDidAppear:animated]; |
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if (self.container && !container.metadata && ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone)) |
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[self reloadMetadataSection]; |
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} |
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- (void)viewWillDisappear:(BOOL)animated {
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[super viewWillDisappear:animated]; |
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} |
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#pragma mark - |
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#pragma mark Table view data source |
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- (NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
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if (section == deleteSection) {
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return @"Only empty containers can be deleted."; |
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} else {
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return @""; |
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} |
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} |
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- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
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if (self.container) {
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if (account.sharingAccount) |
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return 2; |
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else |
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return 4; |
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} else {
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return 0; |
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} |
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} |
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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// Return the number of rows in the section. |
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if (section == kOverview) {
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return 2; |
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} else if (section == kMetadata) {
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if (account.sharingAccount) |
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return [container.metadata count]; |
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else |
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return 1 + [container.metadata count]; |
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} else if (section == policySection) {
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if (account.sharingAccount) |
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return 2; |
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else |
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return 3; |
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} else {
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return 1; |
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} |
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} |
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// Customize the appearance of table view cells. |
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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if (indexPath.section == deleteSection) {
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static NSString *CellIdentifier = @"DeleteCell"; |
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UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; |
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if (cell == nil) {
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cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; |
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cell.textLabel.textAlignment = UITextAlignmentCenter; |
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cell.textLabel.text = @"Delete Container"; |
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} |
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if ((self.container.count == 0) || |
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(self.container.rootFolder && !self.container.rootFolder.objectsAndFoldersCount)) {
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cell.textLabel.textColor = [UIColor blackColor]; |
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cell.selectionStyle = UITableViewCellSelectionStyleBlue; |
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} else {
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cell.textLabel.textColor = [UIColor grayColor]; |
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cell.selectionStyle = UITableViewCellSelectionStyleNone; |
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cell.userInteractionEnabled = NO; |
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} |
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return cell; |
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} |
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static NSString *CellIdentifier = @"Cell"; |
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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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cell.selectionStyle = UITableViewCellSelectionStyleNone; |
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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 = UITextAlignmentLeft; |
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} |
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cell.accessoryType = UITableViewCellAccessoryNone; |
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cell.selectionStyle = UITableViewCellSelectionStyleNone; |
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if (indexPath.section == kOverview) {
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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 = container.name; |
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} else if (indexPath.row == 1) {
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cell.textLabel.text = @"Size"; |
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cell.detailTextLabel.text = [container humanizedSize]; |
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} |
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} else if (indexPath.section == kMetadata) {
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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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if (indexPath.row == [container.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 = [[container.metadata allKeys] objectAtIndex:indexPath.row]; |
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NSString *value = [container.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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cell.textLabel.text = metadataKeyCellText; |
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cell.detailTextLabel.text = metadataValueCellText; |
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} |
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} else if (indexPath.section == policySection) {
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cell.selectionStyle = UITableViewCellSelectionStyleBlue; |
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if (indexPath.row == 0) {
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cell.textLabel.text = @"Versioning"; |
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cell.detailTextLabel.text = container.versioning; |
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cell.accessoryType = UITableViewCellAccessoryNone; |
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cell.selectionStyle = UITableViewCellSelectionStyleNone; |
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} |
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else if (indexPath.row == 1) {
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cell.textLabel.text = @"Quota"; |
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cell.detailTextLabel.text = [NSString stringWithFormat:@"%u", container.quota]; |
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cell.accessoryType = UITableViewCellAccessoryNone; |
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cell.selectionStyle = UITableViewCellSelectionStyleNone; |
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} |
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else {
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cell.textLabel.text = @"Edit policy"; |
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cell.detailTextLabel.text = @""; |
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cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; |
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} |
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} |
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return cell; |
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} |
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#pragma mark - |
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#pragma mark Table view delegate |
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
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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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if (indexPath.row == [self.container.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.container.metadata allKeys] objectAtIndex:indexPath.row]; |
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metadataValue = [self.container.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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StorageObject *object = [[[StorageObject alloc] init] autorelease]; |
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object.name = container.name; |
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object.metadata = container.metadata; |
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object.fullPath = @""; |
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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.objectIsContainer = YES; |
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[self.navigationController pushViewController:vc animated:YES]; |
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[vc release]; |
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} else if (indexPath.section == policySection) {
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if (indexPath.row == 2) {
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EditPolicyViewController *vc = [[EditPolicyViewController alloc] initWithNibName:@"EditPolicyViewController" bundle:nil]; |
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vc.account = account; |
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vc.container = container; |
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vc.containerDetailViewController = self; |
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[self.navigationController pushViewController:vc animated:YES]; |
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[vc release]; |
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} |
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} else if (indexPath.section == deleteSection) {
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if (self.container.count == 0 || !self.container.rootFolder.objectsAndFoldersCount) {
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UIActionSheet *deleteActionSheet = [[[UIActionSheet alloc] initWithTitle:@"Are you sure you want to delete this container? This operation cannot be undone." |
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delegate:self |
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cancelButtonTitle:@"Cancel" |
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destructiveButtonTitle:@"Delete Container" |
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otherButtonTitles:nil] autorelease]; |
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[deleteActionSheet showInView:self.view]; |
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} |
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} |
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} |
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#pragma mark - |
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#pragma mark Action Sheet |
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- (void)deleteContainerRow {
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if ([self.account.containers count] == 0) {
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[self.containersViewController.tableView reloadData]; |
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} else {
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[self.containersViewController.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:selectedContainerIndexPath] withRowAnimation:UITableViewRowAnimationLeft]; |
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} |
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[self.rootFolderViewController.navigationController popViewControllerAnimated:YES]; |
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} |
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- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
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if (buttonIndex == 0) {
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__block ActivityIndicatorView *activityIndicatorView = [ActivityIndicatorView activityIndicatorViewWithText:@"Deleting container..." |
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andAddToView:self.view |
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scrollOffset:self.tableView.contentOffset.y]; |
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[[self.account.manager deleteContainer:self.container] |
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success:^(OpenStackRequest *request) {
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[activityIndicatorView stopAnimatingAndRemoveFromSuperview]; |
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[self.account.containers removeObjectForKey:self.container.name]; |
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[self.account persist]; |
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if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) {
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[self.containersViewController.navigationController popViewControllerAnimated:YES]; |
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} else {
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[self.navigationController popViewControllerAnimated:YES]; |
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} |
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[self deleteContainerRow]; |
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} |
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failure:^(OpenStackRequest *request) {
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[activityIndicatorView stopAnimatingAndRemoveFromSuperview]; |
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// 404 Not Found means it's not there, so we can show the user that it's deleted |
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if ([request responseStatusCode] == 404) {
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[self.account.containers removeObjectForKey:container.name]; |
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[self.account persist]; |
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} else {
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[self alert:@"There was a problem deleting this container." request:request]; |
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} |
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}]; |
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} |
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[self.tableView deselectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:deleteSection] animated:YES]; |
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} |
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#pragma mark - |
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#pragma mark Memory management |
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- (void)dealloc {
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[account release]; |
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[container release]; |
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[containersViewController release]; |
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[selectedContainerIndexPath release]; |
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[rootFolderViewController release]; |
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[super dealloc]; |
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} |
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#pragma mark - |
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#pragma mark Helper functions |
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- (void)reloadMetadataSection {
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__block ActivityIndicatorView *activityIndicatorView = [ActivityIndicatorView activityIndicatorViewWithText:@"Loading metadata..." |
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andAddToView:self.view |
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scrollOffset:self.tableView.contentOffset.y]; |
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[[self.account.manager getContainerInfo:container] |
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success:^(OpenStackRequest *request) {
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[activityIndicatorView stopAnimatingAndRemoveFromSuperview]; |
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container.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-Container-Meta-"].location != NSNotFound) {
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metadataKey = [NSString decodeFromPercentEscape:[header substringFromIndex:17]]; |
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metadataValue = [NSString decodeFromPercentEscape:[request.responseHeaders objectForKey:header]]; |
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[container.metadata setObject:metadataValue forKey:metadataKey]; |
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} |
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} |
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[self.tableView reloadSections:[NSIndexSet indexSetWithIndex:kMetadata] withRowAnimation:UITableViewRowAnimationFade]; |
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} |
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failure:^(OpenStackRequest *request) {
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[activityIndicatorView stopAnimatingAndRemoveFromSuperview]; |
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[self alert:@"There was a problem retrieving the container's metadata." request:request]; |
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}]; |
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} |
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@end |
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