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IssuesController.m
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IssuesController.m
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#import "IssuesController.h"
#import "IssueController.h"
#import "IssueFormController.h"
#import "GHIssue.h"
@interface IssuesController ()
- (void)issueLoadingStarted;
- (void)issueLoadingFinished;
@end
@implementation IssuesController
@synthesize repository;
- (id)initWithRepository:(GHRepository *)theRepository {
[super initWithNibName:@"Issues" bundle:nil];
self.title = @"Issues";
self.repository = theRepository;
return self;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.navigationItem.titleView = issuesControl;
self.navigationItem.rightBarButtonItem = addButton;
issueList = [[NSArray alloc] initWithObjects:repository.openIssues, repository.closedIssues, nil];
for (GHIssues *issues in issueList) [issues addObserver:self forKeyPath:kResourceLoadingStatusKeyPath options:NSKeyValueObservingOptionNew context:nil];
issuesControl.selectedSegmentIndex = 0;
if (!self.currentIssues.isLoaded) [self.currentIssues loadData];
}
- (void)dealloc {
for (GHIssues *issues in issueList) [issues removeObserver:self forKeyPath:kResourceLoadingStatusKeyPath];
[addButton release];
[issuesControl release];
[loadingIssuesCell release];
[noIssuesCell release];
[issueCell release];
[issueList release];
[repository release];
[super dealloc];
}
- (GHIssues *)currentIssues {
return issuesControl.selectedSegmentIndex == UISegmentedControlNoSegment ?
nil : [issueList objectAtIndex:issuesControl.selectedSegmentIndex];
}
#pragma mark Actions
- (IBAction)switchChanged:(id)sender {
[self.tableView reloadData];
if (self.currentIssues.isLoaded) return;
[self.currentIssues loadData];
[self.tableView reloadData];
}
- (IBAction)createNewIssue:(id)sender {
GHIssue *newIssue = [[GHIssue alloc] init];
newIssue.repository = repository;
IssueFormController *formController = [[IssueFormController alloc] initWithIssue:newIssue andIssuesController:self];
[self.navigationController pushViewController:formController animated:YES];
[formController release];
[newIssue release];
}
- (void)reloadIssues {
for (GHIssues *issues in issueList) [issues loadData];
[self.tableView reloadData];
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
if ([keyPath isEqualToString:kResourceLoadingStatusKeyPath]) {
GHIssues *theIssues = (GHIssues *)object;
if (theIssues.isLoading) {
[self issueLoadingStarted];
} else {
[self issueLoadingFinished];
if (!theIssues.error) return;
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Loading error" message:@"Could not load the issues" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
[alert show];
[alert release];
}
}
}
- (void)issueLoadingStarted {
loadCounter += 1;
}
- (void)issueLoadingFinished {
[self.tableView reloadData];
loadCounter -= 1;
if (loadCounter > 0) return;
}
#pragma mark TableView
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return (self.currentIssues.isLoading ) || (self.currentIssues.entries.count == 0) ? 1 : self.currentIssues.entries.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
if (self.currentIssues.isLoading) return loadingIssuesCell;
if (self.currentIssues.entries.count == 0) return noIssuesCell;
IssueCell *cell = (IssueCell *)[tableView dequeueReusableCellWithIdentifier:kIssueCellIdentifier];
if (cell == nil) {
[[NSBundle mainBundle] loadNibNamed:@"IssueCell" owner:self options:nil];
cell = issueCell;
}
cell.issue = [self.currentIssues.entries objectAtIndex:indexPath.row];
return cell;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
GHIssue *issue = [self.currentIssues.entries objectAtIndex:indexPath.row];
IssueController *issueController = [[IssueController alloc] initWithIssue:issue andIssuesController:self];
[self.navigationController pushViewController:issueController animated:YES];
[issueController release];
}
@end