Paste number 66412: Code

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Paste number 66412: Code
Pasted by: MMiller
2 months, 3 weeks ago
#iphonedev | Context in IRC logs
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//
//  MainView.m
//  HakStore
//
//  Created by Matthew Miller on 9/3/08.
//  Copyright 2008 __MyCompanyName__. All rights reserved.
//

#import "MainView.h"
#import "AppDelegate.h"

@implementation MainView

@synthesize myTableView, leafViewController, mySearchBar, listContent, filteredListContent, savedContent;

#pragma mark Start Up

- (void)awakeFromNib {

        listContent = [[NSMutableArray alloc] init];
        
        filteredListContent = [[NSMutableArray alloc] initWithCapacity: [listContent count]];
        [filteredListContent addObjectsFromArray: listContent];
        
        savedContent = [[NSMutableArray alloc] initWithCapacity: [listContent count]];
        
        
        mySearchBar.autocorrectionType = UITextAutocorrectionTypeNo;
        mySearchBar.autocapitalizationType = UITextAutocapitalizationTypeNone;
        mySearchBar.showsCancelButton = NO;
        
        leafViewController.view.backgroundColor = [UIColor groupTableViewBackgroundColor];
        NSTimer *timer;
        timer = [NSTimer scheduledTimerWithTimeInterval: 1 target: self selector: @selector(delayedAwakeFromNib:) userInfo: nil repeats: NO];
}


- (void) delayedAwakeFromNib: (NSTimer *) timer
{
        NSLog(@"delayed worked");
        [myTableView reloadData];
}



- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
        // Return YES for supported orientations
        return (interfaceOrientation == UIInterfaceOrientationPortrait);
}


- (void)didReceiveMemoryWarning {
        [super didReceiveMemoryWarning]; // Releases the view if it doesn't have a superview
        // Release anything that's not essential, such as cached data
}


- (void)dealloc {        
        
        [listContent release];
        [filteredListContent release];
        [savedContent release];
        [currentElement release];
        [currentTitle release];
        [currentDate release];
        [currentSummary release];
        [currentLink release];
        [item release];
        [leafViewController release];
        [mySearchBar release];
        [myTableView release];
        [rssParser release];
        [theSelectedRow release];

        [super dealloc];
}

#pragma mark TableView

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
        static NSString *MyIdentifier = @"MyIdentifier";
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier];
        
        if (cell == nil) {
                cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:MyIdentifier] autorelease];
        }
        
        // Set up the cell
        int storyIndex = [indexPath indexAtPosition: [indexPath length] - 1];
        [cell setText:[[listContent objectAtIndex: storyIndex] objectForKey: @"title"]];
        
        return cell;
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
        return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
        return [listContent count];
}

- (UITableViewCellAccessoryType)tableView:(UITableView *)tableView accessoryTypeForRowWithIndexPath:(NSIndexPath *)indexPath
{
        return UITableViewCellAccessoryDisclosureIndicator;
}

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

        // in case the searchbar's keyboard is up, dismiss it on table selection
        if ([mySearchBar isFirstResponder])
                [mySearchBar resignFirstResponder];

        // Navigation logic
        
        int appIndex = [indexPath indexAtPosition: [indexPath length] - 1];
        
        NSString * appLink = [[listContent objectAtIndex: appIndex] objectForKey: @"link"];

        
        // clean up the link - get rid of spaces, returns, and tabs...
        appLink = [appLink stringByReplacingOccurrencesOfString:@" " withString:@""];
        appLink = [appLink stringByReplacingOccurrencesOfString:@"\n" withString:@""];
        appLink = [appLink stringByReplacingOccurrencesOfString:@"        " withString:@""];
        
        NSLog(@"link: %@", appLink);
        // open in Safari
        [self startDownloadingURL:[NSURL URLWithString:appLink]];
        
}

#pragma mark RSS Feed

- (void)viewDidAppear:(BOOL)animated {
        [super viewDidAppear:animated];
        NSIndexPath *tableSelection = [myTableView indexPathForSelectedRow];
        [myTableView deselectRowAtIndexPath:tableSelection animated:YES];
        if ([listContent count] == 0) {
                NSString * path = @"http://miniflash.freehostia.com/rss/index.rss";
                [self parseXMLFileAtURL:path];
                
                
        }
        
        cellSize = CGSizeMake([myTableView bounds].size.width, 60);
        
}

- (void)parseXMLFileAtURL:(NSString *)URL {
        
        //you must then convert the path to a proper NSURL or it won't work
        NSURL *xmlURL = [NSURL URLWithString:URL];
        
        // here, for some reason you have to use NSClassFromString when trying to alloc NSXMLParser, otherwise you will get an object not found error
        // this may be necessary only for the toolchain
        rssParser = [[NSXMLParser alloc] initWithContentsOfURL:xmlURL];
        
        // Set self as the delegate of the parser so that it will receive the parser delegate methods callbacks.
        [rssParser setDelegate:self];
        
        // Depending on the XML document you're parsing, you may want to enable these features of NSXMLParser.
        [rssParser setShouldProcessNamespaces:NO];
        [rssParser setShouldReportNamespacePrefixes:NO];
        [rssParser setShouldResolveExternalEntities:NO];
        
        [rssParser parse];
        
}

- (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError {
        NSString * errorString = [NSString stringWithFormat:@"Unable to download applications from web site (Error code %i )", [parseError code]];
        NSLog(@"error parsing XML: %@", errorString);
        
        UIAlertView * errorAlert = [[UIAlertView alloc] initWithTitle:@"Error loading content" message:errorString delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
        [errorAlert show];
}

- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{
        //NSLog(@"found this element: %@", elementName);
        currentElement = [elementName copy];
        
        if ([elementName isEqualToString:@"item"]) {
                // clear out our story item caches...
                item = [[NSMutableDictionary alloc] init];
                currentTitle = [[NSMutableString alloc] init];
                currentDate = [[NSMutableString alloc] init];
                currentSummary = [[NSMutableString alloc] init];
                currentLink = [[NSMutableString alloc] init];
        }
}

- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{
        
        //NSLog(@"ended element: %@", elementName);
        if ([elementName isEqualToString:@"item"]) {
                // save values to an item, then store that item into the array...
                [item setObject:currentTitle forKey:@"title"];
                [item setObject:currentLink forKey:@"link"];
                [item setObject:currentSummary forKey:@"summary"];
                [item setObject:currentDate forKey:@"date"];
                
                [listContent addObject:[item copy]];
                NSLog(@"adding app: %@", currentTitle);
        }
}

- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{
        //NSLog(@"found characters: %@", string);
        // save the characters for the current item...
        if ([currentElement isEqualToString:@"title"]) {
                [currentTitle appendString:string];
        } else if ([currentElement isEqualToString:@"link"]) {
                [currentLink appendString:string];
        } else if ([currentElement isEqualToString:@"description"]) {
                [currentSummary appendString:string];
        } else if ([currentElement isEqualToString:@"pubDate"]) {
                [currentDate appendString:string];
        }
}

- (void)parserDidEndDocument:(NSXMLParser *)parser {
        
        [activityIndicator stopAnimating];
        [activityIndicator removeFromSuperview];
        
        NSLog(@"all done!");
        NSLog(@"listContent array has %d items", [listContent count]);
        [myTableView reloadData];
}

#pragma mark Search Bar

- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar
{
        // if a valid search was entered but the user wanted to cancel, bring back the saved list content
        if (searchBar.text.length > 0)
        {

        }

        
        [searchBar resignFirstResponder];
        searchBar.text = @"";
}

// called when Search (in our case "Done") button pressed
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar
{
        [searchBar resignFirstResponder];
}
- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar
{
        mySearchBar.showsCancelButton = NO;
}
- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar
{
        // only show the status bar's cancel button while in edit mode
        mySearchBar.showsCancelButton = YES;

}

- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText
{
        

}

#pragma mark Download App


- (void)startDownloadingURL:(NSURL *)aURL
{
//PROBLEMS HERE
    // create the request
        NSIndexPath *tableSelection = [myTableView indexPathForSelectedRow];
        NSString* link = [listContent valueForKey:@"currentLink"];
        NSURL * appLink = [listContent objectAtIndex:tableSelection] valueForKey:@"currentLink"];

    NSURLRequest *theRequest=[NSURLRequest requestWithURL:appLink cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60.0];
//TO HERE...
//I cant seem to get the URL that is in a key format from the "item" which is each row. (Item holds the info to the name of the row, the link/url and other information.)

    // create the connection with the request
    // and start loading the data
        NSString *destinationFilename;
    NSString *homeDirectory=NSHomeDirectory();
        destinationFilename=[homeDirectory stringByAppendingPathComponent:@""];
        
        NSURLDownload  *theDownload=[[NSURLDownload alloc] initWithRequest:theRequest delegate:self];
   
        if (theDownload) {
        // set the destination file now
        [theDownload setDestination:destinationFilename allowOverwrite:YES];
    } else {
        // inform the user that the download could not be made
    }
}


- (void)download:(NSURLDownload *)download didFailWithError:(NSError *)error
{
    // release the connection
    [download release];
        
    // inform the user
    NSLog(@"Download failed! Error - %@ %@",
          [error localizedDescription],
          [[error userInfo] objectForKey:NSErrorFailingURLStringKey]);
}

- (void)downloadDidFinish:(NSURLDownload *)download
{
    // release the connection
    [download release];
        
    // do something with the data
    NSLog(@"%@",@"downloadDidFinish");
}


@end

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Annotation number 1: Code
Pasted by: MMiller
2 months, 3 weeks ago
Context in IRC logs
Paste contents:
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- (void)startDownloadingURL:(NSURL *)aURL
{
    // create the request
        NSInteger *tableSelection;

        NSURL *appURL = [[[listContent objectAtIndex:tableSelection.row] valueForKey:@"currentLink"] absoluteURL];
    NSURLRequest *theRequest=[NSURLRequest requestWithURL:appURL cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60.0];
    // create the connection with the request
    // and start loading the data
        NSString *destinationFilename;
    NSString *homeDirectory=NSHomeDirectory();
        destinationFilename=[homeDirectory stringByAppendingPathComponent:@""];
        
        NSURLDownload  *theDownload=[[NSURLDownload alloc] initWithRequest:theRequest delegate:self];
   
        if (theDownload) {
        // set the destination file now
        [theDownload setDestination:destinationFilename allowOverwrite:YES];
    } else {
        // inform the user that the download could not be made
    }
}

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