1064 lines
33 KiB
Objective-C
1064 lines
33 KiB
Objective-C
//
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// KTPhotoScrollViewController.m
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// KTPhotoBrowser
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//
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// Created by Kirby Turner on 2/4/10.
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// Copyright 2010 White Peak Software Inc. All rights reserved.
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//
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#import "KTPhotoScrollViewController.h"
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#import "KTPhotoBrowserDataSource.h"
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#import "KTPhotoBrowserGlobal.h"
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#import "KTPhotoView.h"
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#import "AppDelegate.h"
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#import "AFNetworking.h"
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#import <UMSocialCore/UMSocialCore.h>
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const CGFloat ktkDefaultPortraitToolbarHeight = 44;
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const CGFloat ktkDefaultLandscapeToolbarHeight = 33;
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const CGFloat ktkDefaultToolbarHeight = 49;
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#define BUTTON_DELETEPHOTO 0
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#define BUTTON_CANCEL 1
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@interface KTPhotoScrollViewController (KTPrivate)
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- (void)setCurrentIndex:(NSInteger)newIndex;
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- (void)toggleChrome:(BOOL)hide;
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- (void)startChromeDisplayTimer;
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- (void)cancelChromeDisplayTimer;
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- (void)hideChrome;
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- (void)showChrome;
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- (void)swapCurrentAndNextPhotos;
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- (void)nextPhoto;
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- (void)previousPhoto;
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- (void)toggleNavButtons;
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- (CGRect)frameForPagingScrollView;
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- (CGRect)frameForPageAtIndex:(NSUInteger)index;
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- (void)loadPhoto:(NSInteger)index;
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- (void)unloadPhoto:(NSInteger)index;
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- (void)trashPhoto;
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- (void)exportPhoto;
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@end
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@implementation KTPhotoScrollViewController
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@synthesize statusBarStyle = statusBarStyle_;
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@synthesize statusbarHidden = statusbarHidden_;
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- (id)initWithDataSource:(id <KTPhotoBrowserDataSource>)dataSource andStartWithPhotoAtIndex:(NSUInteger)index
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{
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if (self = [super init]) {
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startWithIndex_ = index;
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dataSource_ =dataSource ;
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// Make sure to set wantsFullScreenLayout or the photo
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// will not display behind the status bar.
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[self setWantsFullScreenLayout:YES];
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BOOL isStatusbarHidden = [[UIApplication sharedApplication] isStatusBarHidden];
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[self setStatusbarHidden:isStatusbarHidden];
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self.hidesBottomBarWhenPushed = YES;
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}
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return self;
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}
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- (void)loadView
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{
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[super loadView];
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CGRect scrollFrame = [self frameForPagingScrollView];
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UIScrollView *newView = [[UIScrollView alloc] initWithFrame:scrollFrame];
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[newView setAutoresizingMask:UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight];
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[newView setDelegate:self];
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UIColor *backgroundColor = [dataSource_ respondsToSelector:@selector(imageBackgroundColor)] ?
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[dataSource_ imageBackgroundColor] : COLOR_MIAN;
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[newView setBackgroundColor:backgroundColor];
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[newView setAutoresizesSubviews:YES];
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[newView setPagingEnabled:YES];
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[newView setShowsVerticalScrollIndicator:NO];
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[newView setShowsHorizontalScrollIndicator:NO];
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[[self view] addSubview:newView];
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scrollView_ = newView ;
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nextButton_ = [[UIBarButtonItem alloc]
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initWithImage:KTLoadImageFromBundle(@"nextIcon.png")
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style:UIBarButtonItemStylePlain
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target:self
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action:@selector(nextPhoto)];
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previousButton_ = [[UIBarButtonItem alloc]
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initWithImage:KTLoadImageFromBundle(@"previousIcon.png")
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style:UIBarButtonItemStylePlain
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target:self
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action:@selector(previousPhoto)];
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shareButton_ = [[UIBarButtonItem alloc]
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initWithImage:[UIImage imageNamed:@"share_ifish"]
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style:UIBarButtonItemStylePlain
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target:self
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action:@selector(sharePhoto)];
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[shareButton_ setTintColor:[UIColor whiteColor]];
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deletButton_ = [[UIBarButtonItem alloc]
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initWithImage:[UIImage imageNamed:@"delete_ifishImg"]
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style:UIBarButtonItemStylePlain
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target:self
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action:@selector(delectPhoto)];
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[deletButton_ setTintColor:[UIColor whiteColor]];
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UIBarButtonItem *trashButton = nil;
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if ([dataSource_ respondsToSelector:@selector(deleteImageAtIndex:)]) {
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trashButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash
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target:self
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action:@selector(trashPhoto)];
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}
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UIBarButtonItem *exportButton = nil;
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if ([dataSource_ respondsToSelector:@selector(exportImageAtIndex:)])
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{
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exportButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction
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target:self
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action:@selector(exportPhoto)];
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}
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UIBarItem *space = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
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target:nil
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action:nil];
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NSMutableArray *toolbarItems = [[NSMutableArray alloc] initWithCapacity:7];
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if (exportButton) [toolbarItems addObject:exportButton];
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[toolbarItems addObject:space];
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[toolbarItems addObject:previousButton_];
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[toolbarItems addObject:space];
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[toolbarItems addObject:nextButton_];
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[toolbarItems addObject:space];
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//if (trashButton) [toolbarItems addObject:trashButton];//保存图片到相册
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CGRect screenFrame = [[UIScreen mainScreen] bounds];
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CGRect toolbarFrame = CGRectMake(0,
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screenFrame.size.height - ktkDefaultToolbarHeight,
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screenFrame.size.width,
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ktkDefaultToolbarHeight);
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toolbar_ = [[UIToolbar alloc] initWithFrame:toolbarFrame];
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[toolbar_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleRightMargin];
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[toolbar_ setBarStyle:UIBarStyleBlackTranslucent];
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[toolbar_ setItems:toolbarItems];
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//[[self view] addSubview:toolbar_];
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//分享
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NSMutableArray *toolbarItems2 = [[NSMutableArray alloc] initWithCapacity:7];
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[toolbarItems2 addObject:shareButton_];
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[toolbarItems2 addObject:space];
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[toolbarItems2 addObject:space];
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[toolbarItems2 addObject:space];
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[toolbarItems2 addObject:space];
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[toolbarItems2 addObject:deletButton_];
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CGRect toolbarFrame1 = CGRectMake(0,
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screenFrame.size.height - ktkDefaultToolbarHeight,
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screenFrame.size.width,
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ktkDefaultToolbarHeight);
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toolbarshare_ = [[UIToolbar alloc] initWithFrame:toolbarFrame1];
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[toolbarshare_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleRightMargin];
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[toolbarshare_ setBarStyle:UIBarStyleBlackTranslucent];
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[toolbarshare_ setItems:toolbarItems2];
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[self.view addSubview:toolbarshare_];
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}
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#pragma mark - 分享图片
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-(void)sharePhoto{
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[self hideChrome];
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LXShareImageVIew *shareView=[[LXShareImageVIew alloc] initWithFrame:[UIScreen mainScreen].bounds];
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shareView.delegate = self;
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[shareView shareShow];
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}
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#pragma mark - LXShareImageVIewdelegate
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-(void)didSelectButWithBtnTag:(NSInteger)btnTag
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{
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// [self hideChrome];
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UIImage *shareImage = nil;
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if (dataSource_) {
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NSInteger photoIndexToDelete = currentIndex_;
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// [self unloadPhoto:photoIndexToDelete];
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shareImage= [dataSource_ imageAtIndex:photoIndexToDelete];
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}else{
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return;
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}
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UIImage *smallImage = [self scaleFromImage:shareImage toSize:CGSizeMake(kScreenSize.width,kScreenSize.width*2/3)];
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//微信分享页
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[self getHtmlFileWith:smallImage addTag:btnTag];
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}
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-(void)getHtmlFileWith:(UIImage*)image addTag:(NSInteger)btnTag{
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AFHTTPRequestOperationManager*manager=[AFHTTPRequestOperationManager manager];
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manager.requestSerializer = [AFJSONRequestSerializer serializer];
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manager.responseSerializer=[AFHTTPResponseSerializer serializer];
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NSString *title =@"来自爱鱼奇分享";
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NSDictionary *paras = @{
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@"title":title,
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@"fileUpload":@"png"
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};
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__weak typeof (self)weakSelf = self;
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[manager POST:KGetHtmlFile parameters:paras constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
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NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
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formatter.dateFormat = @"yyyyMMddHHmmss";
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NSString *str = [formatter stringFromDate:[NSDate date]];
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NSString *fileName = [NSString stringWithFormat:@"%@.png", str];
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NSString *name = @"fileUpload";
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NSData* imgdata=UIImagePNGRepresentation(image);
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[formData appendPartWithFileData:imgdata name:name fileName:fileName mimeType:@"image/png"];
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} success:^(AFHTTPRequestOperation *operation, id responseObject) {
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NSDictionary*resultDic=[NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableContainers error:nil];
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NSLog(@"result:%@",resultDic[@"result"]);
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if ([resultDic[@"result"] isEqualToString:@"100"]) {
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NSString *htmlName = resultDic[@"data"];
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if (htmlName) {
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NSString *htmlUrl = [NSString stringWithFormat:@"%@/html/%@",JIEKOUPORTHTTP,htmlName];
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[self shareImgWith:image resourceUrl:htmlUrl addtag:btnTag];
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}
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}else{
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[weakSelf.view makeToast:@"分享失败，为获取分享页url"];
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}
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} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
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// [self toggleChrome:NO];
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[weakSelf.view makeToast:@"网络异常"];
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}];
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}
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-(void)shareImgWith:(UIImage *)shareImage resourceUrl:(NSString *)sourceurl addtag:(NSInteger)btnTag{
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[self addUserGold];
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switch (btnTag) {
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case 0:
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{
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//微信
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//创建分享消息对象
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UMSocialMessageObject *messageObject = [UMSocialMessageObject messageObject];
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UMShareWebpageObject *shareObject = [[UMShareWebpageObject alloc] init];
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shareObject.title = @"爱鱼奇";
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shareObject.webpageUrl =sourceurl;
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shareObject.thumbImage = shareImage;
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//分享消息对象设置分享内容对象
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messageObject.shareObject = shareObject;
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[[UMSocialManager defaultManager] shareToPlatform:UMSocialPlatformType_WechatSession messageObject:messageObject currentViewController:self completion:^(id result, NSError *error) {
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if (error) {
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NSLog(@"************Share fail with error %@*********",error);
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}else{
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NSLog(@"response data is %@",result);
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}
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}];
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}
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break;
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case 1:
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{
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//朋友圈
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//微信
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UMSocialMessageObject *messageObject = [UMSocialMessageObject messageObject];
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UMShareWebpageObject *shareObject = [[UMShareWebpageObject alloc] init];
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shareObject.title = @"爱鱼奇";
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shareObject.webpageUrl =sourceurl;
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shareObject.thumbImage = shareImage;
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//分享消息对象设置分享内容对象
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messageObject.shareObject = shareObject;
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[[UMSocialManager defaultManager] shareToPlatform:UMSocialPlatformType_WechatTimeLine messageObject:messageObject currentViewController:self completion:^(id result, NSError *error) {
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if (error) {
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NSLog(@"************Share fail with error %@*********",error);
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}else{
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NSLog(@"response data is %@",result);
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}
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}];
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}
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break;
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case 2:
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{
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//QQ
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UMSocialMessageObject *messageObject = [UMSocialMessageObject messageObject];
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UMShareWebpageObject *shareObject = [[UMShareWebpageObject alloc] init];
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shareObject.title = @"爱鱼奇";
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shareObject.webpageUrl =sourceurl;
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shareObject.thumbImage = shareImage;
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//分享消息对象设置分享内容对象
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messageObject.shareObject = shareObject;
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[[UMSocialManager defaultManager] shareToPlatform:UMSocialPlatformType_QQ messageObject:messageObject currentViewController:self completion:^(id result, NSError *error) {
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if (error) {
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NSLog(@"************Share fail with error %@*********",error);
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}else{
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NSLog(@"response data is %@",result);
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}
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}];
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}
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break;
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case 3:
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{
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UMSocialMessageObject *messageObject = [UMSocialMessageObject messageObject];
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UMShareWebpageObject *shareObject = [[UMShareWebpageObject alloc] init];
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shareObject.title = @"爱鱼奇";
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shareObject.webpageUrl =sourceurl;
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shareObject.thumbImage = shareImage;
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NSString *uslStr= [NSString stringWithFormat:@"来自爱鱼奇分享,#🐟%@🐟#",sourceurl];
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shareObject.descr =uslStr;
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//分享消息对象设置分享内容对象
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messageObject.shareObject = shareObject;
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[[UMSocialManager defaultManager] shareToPlatform:UMSocialPlatformType_Sina messageObject:messageObject currentViewController:self completion:^(id result, NSError *error) {
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if (error) {
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NSLog(@"************Share fail with error %@*********",error);
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}else{
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NSLog(@"response data is %@",result);
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}
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}];
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}
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break;
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default:
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break;
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}
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}
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-(void)addUserGold{
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//每日分享图片 加金币
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[[IfishUserObsever sharedInstance] addGoldWith:SHARECAMERAPICTURE addType:IFISHADDGOLDTYPE0];
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}
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- (UIImage *) scaleFromImage: (UIImage *) image toSize: (CGSize) size
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{
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UIGraphicsBeginImageContext(size);
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[image drawInRect:CGRectMake(0, 0, size.width, size.height)];
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UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return newImage;
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}
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#pragma mark - 新加toolbar1上删除图片
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-(void)delectPhoto{
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UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"" message:@"是否删除？" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
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[alert show];
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}
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- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{
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if (buttonIndex ==1) {
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[self deleteCurrentPhoto];
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[self startChromeDisplayTimer];
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[self.view makeToast:@"图片已删除"];
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}
|
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}
|
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|
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- (void)setTitleWithCurrentPhotoIndex
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{
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NSString *formatString = NSLocalizedString(@"%1$i of %2$i", @"Picture X out of Y total.");
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NSString *title = [NSString stringWithFormat:formatString, currentIndex_ + 1, photoCount_, nil];
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[self setTitle:title];
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}
|
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|
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- (void)scrollToIndex:(NSInteger)index
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{
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CGRect frame = scrollView_.frame;
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frame.origin.x = frame.size.width * index;
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frame.origin.y = 0;
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[scrollView_ scrollRectToVisible:frame animated:NO];
|
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}
|
||
|
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- (void)setScrollViewContentSize
|
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{
|
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NSInteger pageCount = photoCount_;
|
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if (pageCount == 0) {
|
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pageCount = 1;
|
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}
|
||
|
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CGSize size = CGSizeMake(scrollView_.frame.size.width * pageCount,
|
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scrollView_.frame.size.height / 2); // Cut in half to prevent horizontal scrolling.
|
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[scrollView_ setContentSize:size];
|
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}
|
||
|
||
- (void)viewDidLoad
|
||
{
|
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[super viewDidLoad];
|
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|
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photoCount_ = [dataSource_ numberOfPhotos];
|
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[self setScrollViewContentSize];
|
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|
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// Setup our photo view cache. We only keep 3 views in
|
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// memory. NSNull is used as a placeholder for the other
|
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// elements in the view cache array.
|
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photoViews_ = [[NSMutableArray alloc] initWithCapacity:photoCount_];
|
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for (int i=0; i < photoCount_; i++) {
|
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[photoViews_ addObject:[NSNull null]];
|
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}
|
||
}
|
||
|
||
- (void)didReceiveMemoryWarning
|
||
{
|
||
// Releases the view if it doesn't have a superview.
|
||
[super didReceiveMemoryWarning];
|
||
|
||
// Release any cached data, images, etc that aren't in use.
|
||
}
|
||
|
||
- (void)viewWillAppear:(BOOL)animated
|
||
{
|
||
[super viewWillAppear:animated];
|
||
//setNav
|
||
|
||
UIButton *back = [UIButton buttonWithType:UIButtonTypeCustom];
|
||
back.frame = CGRectMake(0,0,48,44);
|
||
[back setImage:[UIImage imageNamed:@"back_btn"] forState:UIControlStateNormal];
|
||
// [_bakbutton setBackgroundImage:[UIImage imageNamed:@"back_btn"] forState:UIControlStateNormal];
|
||
|
||
[back addTarget: self action: @selector(goBackAction) forControlEvents: UIControlEventTouchUpInside];
|
||
|
||
UIBarButtonItem * backItem=[[UIBarButtonItem alloc] initWithCustomView:back];
|
||
|
||
|
||
self.navigationItem.leftBarButtonItem=backItem;
|
||
|
||
|
||
|
||
// The first time the view appears, store away the previous controller's values so we can reset on pop.
|
||
UINavigationBar *navbar = [[self navigationController] navigationBar];
|
||
|
||
|
||
|
||
|
||
//[self hideChrome];
|
||
|
||
|
||
|
||
if (!viewDidAppearOnce_) {
|
||
viewDidAppearOnce_ = YES;
|
||
navbarWasTranslucent_ = [navbar isTranslucent];
|
||
// statusBarStyle_ = [[UIApplication sharedApplication] statusBarStyle];
|
||
}
|
||
// Then ensure translucency. Without it, the view will appear below rather than under it.
|
||
[navbar setTranslucent:YES];
|
||
[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackTranslucent animated:YES];
|
||
|
||
// Set the scroll view's content size, auto-scroll to the stating photo,
|
||
// and setup the other display elements.
|
||
[self setScrollViewContentSize];
|
||
[self setCurrentIndex:startWithIndex_];
|
||
[self scrollToIndex:startWithIndex_];
|
||
|
||
[self setTitleWithCurrentPhotoIndex];
|
||
[self toggleNavButtons];
|
||
|
||
|
||
//[self startChromeDisplayTimer];
|
||
|
||
|
||
}
|
||
|
||
- (void)viewWillDisappear:(BOOL)animated
|
||
{
|
||
// Reset nav bar translucency and status bar style to whatever it was before.
|
||
UINavigationBar *navbar = [[self navigationController] navigationBar];
|
||
|
||
[navbar setTranslucent:navbarWasTranslucent_];
|
||
// [[UIApplication sharedApplication] setStatusBarStyle:statusBarStyle_ animated:YES];
|
||
|
||
|
||
|
||
|
||
[super viewWillDisappear:animated];
|
||
|
||
|
||
}
|
||
|
||
- (void)viewDidDisappear:(BOOL)animated
|
||
{
|
||
[self cancelChromeDisplayTimer];
|
||
[super viewDidDisappear:animated];
|
||
}
|
||
|
||
- (void)deleteCurrentPhoto
|
||
{
|
||
if (dataSource_) {
|
||
// TODO: Animate the deletion of the current photo.
|
||
|
||
NSInteger photoIndexToDelete = currentIndex_;
|
||
[self unloadPhoto:photoIndexToDelete];
|
||
[dataSource_ deleteImageAtIndex:photoIndexToDelete];
|
||
|
||
photoCount_ -= 1;
|
||
if (photoCount_ == 0) {
|
||
[self showChrome];
|
||
[[self navigationController] popViewControllerAnimated:YES];
|
||
} else {
|
||
NSInteger nextIndex = photoIndexToDelete;
|
||
if (nextIndex == photoCount_) {
|
||
nextIndex -= 1;
|
||
}
|
||
[self setCurrentIndex:nextIndex];
|
||
[self setScrollViewContentSize];
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)toggleNavButtons
|
||
{
|
||
[previousButton_ setEnabled:(currentIndex_ > 0)];
|
||
[nextButton_ setEnabled:(currentIndex_ < photoCount_ - 1)];
|
||
}
|
||
|
||
|
||
#pragma mark -
|
||
#pragma mark Frame calculations
|
||
#define PADDING 20
|
||
|
||
- (CGRect)frameForPagingScrollView
|
||
{
|
||
CGRect frame = [[UIScreen mainScreen] bounds];
|
||
frame.origin.x -= PADDING;
|
||
frame.size.width += (2 * PADDING);
|
||
return frame;
|
||
}
|
||
|
||
- (CGRect)frameForPageAtIndex:(NSUInteger)index
|
||
{
|
||
// We have to use our paging scroll view's bounds, not frame, to calculate the page placement. When the device is in
|
||
// landscape orientation, the frame will still be in portrait because the pagingScrollView is the root view controller's
|
||
// view, so its frame is in window coordinate space, which is never rotated. Its bounds, however, will be in landscape
|
||
// because it has a rotation transform applied.
|
||
CGRect bounds = [scrollView_ bounds];
|
||
CGRect pageFrame = bounds;
|
||
pageFrame.size.width -= (2 * PADDING);
|
||
pageFrame.origin.x = (bounds.size.width * index) + PADDING;
|
||
return pageFrame;
|
||
}
|
||
|
||
|
||
#pragma mark -
|
||
#pragma mark Photo (Page) Management
|
||
|
||
- (void)loadPhoto:(NSInteger)index
|
||
{
|
||
if (index < 0 || index >= photoCount_) {
|
||
return;
|
||
}
|
||
|
||
id currentPhotoView = [photoViews_ objectAtIndex:index];
|
||
if (NO == [currentPhotoView isKindOfClass:[KTPhotoView class]]) {
|
||
// Load the photo view.
|
||
CGRect frame = [self frameForPageAtIndex:index];
|
||
KTPhotoView *photoView = [[KTPhotoView alloc] initWithFrame:frame];
|
||
[photoView setScroller:self];
|
||
[photoView setIndex:index];
|
||
[photoView setDeleteImageDelegate:self];//保存图片到相册
|
||
[photoView setBackgroundColor:[UIColor clearColor]];
|
||
|
||
// Set the photo image.
|
||
if (dataSource_) {
|
||
if ([dataSource_ respondsToSelector:@selector(imageAtIndex:photoView:)] == NO) {
|
||
UIImage *image = [dataSource_ imageAtIndex:index];
|
||
[photoView setImage:image];
|
||
} else {
|
||
[dataSource_ imageAtIndex:index photoView:photoView];
|
||
}
|
||
}
|
||
|
||
[scrollView_ addSubview:photoView];
|
||
[photoViews_ replaceObjectAtIndex:index withObject:photoView];
|
||
} else {
|
||
// Turn off zooming.
|
||
[currentPhotoView turnOffZoom];
|
||
}
|
||
}
|
||
|
||
-(void)KTPhotoViewDeleteImage:(NSInteger)deleteIndex{//保存图片到相册
|
||
if (dataSource_) {
|
||
|
||
/*
|
||
*1. remove当前图片的view（KTPhotoView）,及之后的view
|
||
*2. 将photoViews_下标为deleteIndex及之后的元素置为NULL
|
||
*/
|
||
for (int i=(int)deleteIndex; i<photoCount_; i++) {
|
||
[self unloadPhoto:i];
|
||
}
|
||
|
||
//删除资源数组screenshotPaths里的deleteIndex图片
|
||
[dataSource_ deleteImageAtIndex:deleteIndex];
|
||
|
||
photoCount_ -= 1;
|
||
if (photoCount_ == 0) {
|
||
[self showChrome];
|
||
[[self navigationController] popViewControllerAnimated:YES];
|
||
} else {
|
||
NSInteger nextIndex = deleteIndex;
|
||
if (nextIndex == photoCount_) {
|
||
nextIndex -= 1;
|
||
}
|
||
|
||
currentIndex_ = nextIndex;
|
||
for (int i=currentIndex_; i<photoCount_; i++) {
|
||
[self reLoadPhoto:i];
|
||
}
|
||
|
||
[self setTitleWithCurrentPhotoIndex];
|
||
[self toggleNavButtons];
|
||
[self setScrollViewContentSize];
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
- (void)reLoadPhoto:(NSInteger)index{//保存图片到相册
|
||
|
||
if (index < 0 || index >= photoCount_) {
|
||
return;
|
||
}
|
||
|
||
id currentPhotoView = [photoViews_ objectAtIndex:index];
|
||
if (NO == [currentPhotoView isKindOfClass:[KTPhotoView class]]) {
|
||
// Load the photo view.
|
||
CGRect frame = [self frameForPageAtIndex:index];
|
||
KTPhotoView *photoView = [[KTPhotoView alloc] initWithFrame:frame];
|
||
[photoView setScroller:self];
|
||
[photoView setIndex:index];
|
||
[photoView setDeleteImageDelegate:self];//保存图片到相册
|
||
[photoView setBackgroundColor:[UIColor clearColor]];
|
||
|
||
// Set the photo image.
|
||
if (dataSource_) {
|
||
if ([dataSource_ respondsToSelector:@selector(imageAtIndex:photoView:)] == NO) {
|
||
UIImage *image = [dataSource_ imageAtIndex:index];
|
||
[photoView setImage:image];
|
||
} else {
|
||
/*
|
||
*1. 取screenshotPaths数组的第index张图片赋予photoView
|
||
*/
|
||
[dataSource_ imageAtIndex:index photoView:photoView];
|
||
}
|
||
}
|
||
|
||
[scrollView_ addSubview:photoView];
|
||
[photoViews_ replaceObjectAtIndex:index withObject:photoView];
|
||
|
||
} else {
|
||
// Turn off zooming.
|
||
[currentPhotoView turnOffZoom];
|
||
}
|
||
}
|
||
|
||
- (void)unloadPhoto:(NSInteger)index
|
||
{
|
||
if (index < 0 || index >= photoCount_) {
|
||
return;
|
||
}
|
||
|
||
id currentPhotoView = [photoViews_ objectAtIndex:index];
|
||
if ([currentPhotoView isKindOfClass:[KTPhotoView class]]) {
|
||
[currentPhotoView removeFromSuperview];
|
||
[photoViews_ replaceObjectAtIndex:index withObject:[NSNull null]];
|
||
}
|
||
}
|
||
|
||
- (void)setCurrentIndex:(NSInteger)newIndex
|
||
{
|
||
currentIndex_ = newIndex;
|
||
|
||
[self loadPhoto:currentIndex_];
|
||
[self loadPhoto:currentIndex_ + 1];
|
||
[self loadPhoto:currentIndex_ - 1];
|
||
[self unloadPhoto:currentIndex_ + 2];
|
||
[self unloadPhoto:currentIndex_ - 2];
|
||
|
||
[self setTitleWithCurrentPhotoIndex];
|
||
[self toggleNavButtons];
|
||
}
|
||
|
||
|
||
#pragma mark -
|
||
#pragma mark Rotation Magic
|
||
|
||
- (void)updateToolbarWithOrientation:(UIInterfaceOrientation)interfaceOrientation
|
||
{
|
||
CGRect toolbarFrame = toolbar_.frame;
|
||
if ((interfaceOrientation) == UIInterfaceOrientationPortrait || (interfaceOrientation) == UIInterfaceOrientationPortraitUpsideDown) {
|
||
toolbarFrame.size.height = ktkDefaultPortraitToolbarHeight;
|
||
} else {
|
||
toolbarFrame.size.height = ktkDefaultLandscapeToolbarHeight+1;
|
||
}
|
||
|
||
toolbarFrame.size.width = self.view.frame.size.width;
|
||
toolbarFrame.origin.y = self.view.frame.size.height - toolbarFrame.size.height;
|
||
toolbar_.frame = toolbarFrame;
|
||
|
||
|
||
CGRect toolbarFrame1 = toolbarshare_.frame;
|
||
if ((interfaceOrientation) == UIInterfaceOrientationPortrait || (interfaceOrientation) == UIInterfaceOrientationPortraitUpsideDown) {
|
||
toolbarFrame1.size.height = ktkDefaultPortraitToolbarHeight;
|
||
} else {
|
||
toolbarFrame1.size.height = ktkDefaultLandscapeToolbarHeight+1;
|
||
}
|
||
|
||
toolbarFrame1.size.width = self.view.frame.size.width;
|
||
toolbarFrame1.origin.y = self.view.frame.size.height - toolbarFrame1.size.height;
|
||
toolbarshare_.frame = toolbarFrame1;
|
||
|
||
|
||
}
|
||
|
||
- (void)layoutScrollViewSubviews
|
||
{
|
||
[self setScrollViewContentSize];
|
||
|
||
NSArray *subviews = [scrollView_ subviews];
|
||
|
||
for (KTPhotoView *photoView in subviews) {
|
||
CGPoint restorePoint = [photoView pointToCenterAfterRotation];
|
||
CGFloat restoreScale = [photoView scaleToRestoreAfterRotation];
|
||
[photoView setFrame:[self frameForPageAtIndex:[photoView index]]];
|
||
[photoView setMaxMinZoomScalesForCurrentBounds];
|
||
[photoView restoreCenterPoint:restorePoint scale:restoreScale];
|
||
}
|
||
|
||
// adjust contentOffset to preserve page location based on values collected prior to location
|
||
CGFloat pageWidth = scrollView_.bounds.size.width;
|
||
CGFloat newOffset = (firstVisiblePageIndexBeforeRotation_ * pageWidth) + (percentScrolledIntoFirstVisiblePage_ * pageWidth);
|
||
scrollView_.contentOffset = CGPointMake(newOffset, 0);
|
||
|
||
}
|
||
|
||
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
|
||
{
|
||
return NO;
|
||
}
|
||
|
||
- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation
|
||
duration:(NSTimeInterval)duration
|
||
{
|
||
// here, our pagingScrollView bounds have not yet been updated for the new interface orientation. So this is a good
|
||
// place to calculate the content offset that we will need in the new orientation
|
||
CGFloat offset = scrollView_.contentOffset.x;
|
||
CGFloat pageWidth = scrollView_.bounds.size.width;
|
||
|
||
if (offset >= 0) {
|
||
firstVisiblePageIndexBeforeRotation_ = floorf(offset / pageWidth);
|
||
percentScrolledIntoFirstVisiblePage_ = (offset - (firstVisiblePageIndexBeforeRotation_ * pageWidth)) / pageWidth;
|
||
} else {
|
||
firstVisiblePageIndexBeforeRotation_ = 0;
|
||
percentScrolledIntoFirstVisiblePage_ = offset / pageWidth;
|
||
}
|
||
|
||
}
|
||
|
||
- (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation
|
||
duration:(NSTimeInterval)duration
|
||
{
|
||
[self layoutScrollViewSubviews];
|
||
// Rotate the toolbar.
|
||
[self updateToolbarWithOrientation:toInterfaceOrientation];
|
||
|
||
// Adjust navigation bar if needed.
|
||
if (isChromeHidden_ && statusbarHidden_ == NO) {
|
||
UINavigationBar *navbar = [[self navigationController] navigationBar];
|
||
CGRect frame = [navbar frame];
|
||
frame.origin.y = 20;
|
||
[navbar setFrame:frame];
|
||
}
|
||
}
|
||
|
||
- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
|
||
{
|
||
[self startChromeDisplayTimer];
|
||
}
|
||
|
||
- (UIView *)rotatingFooterView
|
||
{
|
||
//return toolbar_;
|
||
|
||
return toolbarshare_;
|
||
}
|
||
|
||
|
||
#pragma mark -
|
||
#pragma mark Chrome Helpers
|
||
|
||
- (void)toggleChromeDisplay
|
||
{
|
||
[self toggleChrome:!isChromeHidden_];
|
||
}
|
||
|
||
- (void)toggleChrome:(BOOL)hide
|
||
{
|
||
isChromeHidden_ = hide;
|
||
if (hide) {
|
||
[UIView beginAnimations:nil context:nil];
|
||
[UIView setAnimationDuration:0.4];
|
||
}
|
||
//hide
|
||
if ( ! [self isStatusbarHidden] ) {
|
||
if ([[UIApplication sharedApplication] respondsToSelector:@selector(setStatusBarHidden:withAnimation:)]) {
|
||
[[UIApplication sharedApplication] setStatusBarHidden:hide withAnimation:NO];
|
||
} else { // Deprecated in iOS 3.2+.
|
||
id sharedApp = [UIApplication sharedApplication]; // Get around deprecation warnings.
|
||
[sharedApp setStatusBarHidden:hide animated:NO];
|
||
}
|
||
}
|
||
|
||
CGFloat alpha = hide ? 0.0 : 1.0;
|
||
|
||
// Must set the navigation bar's alpha, otherwise the photo
|
||
// view will be pushed until the navigation bar.
|
||
UINavigationBar *navbar = [[self navigationController] navigationBar];
|
||
[navbar setAlpha:alpha];
|
||
|
||
[toolbar_ setAlpha:alpha];
|
||
[toolbarshare_ setAlpha:alpha];
|
||
|
||
|
||
if (hide) {
|
||
[UIView commitAnimations];
|
||
}
|
||
|
||
if ( ! isChromeHidden_ ) {
|
||
[self startChromeDisplayTimer];
|
||
}
|
||
}
|
||
|
||
- (void)hideChrome
|
||
{
|
||
if (chromeHideTimer_ && [chromeHideTimer_ isValid]) {
|
||
[chromeHideTimer_ invalidate];
|
||
chromeHideTimer_ = nil;
|
||
}
|
||
[self toggleChrome:YES];
|
||
}
|
||
|
||
- (void)showChrome
|
||
{
|
||
[self toggleChrome:NO];
|
||
}
|
||
|
||
- (void)startChromeDisplayTimer
|
||
{
|
||
[self cancelChromeDisplayTimer];
|
||
chromeHideTimer_ = [NSTimer scheduledTimerWithTimeInterval:5.0
|
||
target:self
|
||
selector:@selector(hideChrome)
|
||
userInfo:nil
|
||
repeats:NO];
|
||
}
|
||
|
||
- (void)cancelChromeDisplayTimer
|
||
{
|
||
if (chromeHideTimer_) {
|
||
[chromeHideTimer_ invalidate];
|
||
chromeHideTimer_ = nil;
|
||
}
|
||
}
|
||
|
||
|
||
#pragma mark -
|
||
#pragma mark UIScrollViewDelegate
|
||
|
||
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
|
||
{
|
||
CGFloat pageWidth = scrollView.frame.size.width;
|
||
float fractionalPage = scrollView.contentOffset.x / pageWidth;
|
||
NSInteger page = floor(fractionalPage);
|
||
if (page != currentIndex_) {
|
||
[self setCurrentIndex:page];
|
||
}
|
||
}
|
||
|
||
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
|
||
{
|
||
//[self hideChrome];
|
||
}
|
||
|
||
|
||
#pragma mark -
|
||
#pragma mark Toolbar Actions
|
||
|
||
- (void)nextPhoto
|
||
{
|
||
[self scrollToIndex:currentIndex_ + 1];
|
||
[self startChromeDisplayTimer];
|
||
}
|
||
|
||
- (void)previousPhoto
|
||
{
|
||
[self scrollToIndex:currentIndex_ - 1];
|
||
[self startChromeDisplayTimer];
|
||
}
|
||
|
||
- (void)trashPhoto
|
||
{
|
||
UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:nil
|
||
delegate:self
|
||
cancelButtonTitle:@"取消"
|
||
destructiveButtonTitle:@"删除"
|
||
otherButtonTitles:nil];
|
||
[actionSheet showInView:[self view]];
|
||
|
||
}
|
||
|
||
- (void) exportPhoto
|
||
{
|
||
if ([dataSource_ respondsToSelector:@selector(exportImageAtIndex:)])
|
||
[dataSource_ exportImageAtIndex:currentIndex_];
|
||
|
||
[self startChromeDisplayTimer];
|
||
}
|
||
|
||
|
||
#pragma mark -
|
||
#pragma mark UIActionSheetDelegate
|
||
|
||
// Called when a button is clicked. The view will be automatically dismissed after this call returns
|
||
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
|
||
{
|
||
if (buttonIndex == BUTTON_DELETEPHOTO) {
|
||
[self deleteCurrentPhoto];
|
||
}
|
||
[self startChromeDisplayTimer];
|
||
}
|
||
|
||
-(void)goBackAction{
|
||
|
||
[self.navigationController popViewControllerAnimated:YES];
|
||
}
|
||
|
||
//-(BOOL)shouldAutorotate{
|
||
// return YES;
|
||
//}
|
||
//
|
||
//- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interface {
|
||
// return (interface == UIInterfaceOrientationPortrait );
|
||
//}
|
||
//
|
||
//#ifdef IOS6
|
||
//
|
||
//- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
|
||
//{
|
||
// return UIInterfaceOrientationPortrait;
|
||
//}
|
||
//
|
||
//- (BOOL)shouldAutorotate {
|
||
// return NO;
|
||
//}
|
||
//
|
||
//- (NSUInteger)supportedInterfaceOrientations {
|
||
// return UIInterfaceOrientationMaskPortrait;
|
||
//}
|
||
//#endif
|
||
//
|
||
//-(NSUInteger)supportedInterfaceOrientations{
|
||
// return UIInterfaceOrientationMaskPortrait;
|
||
//}
|
||
//
|
||
//-(UIInterfaceOrientation)preferredInterfaceOrientationForPresentation{
|
||
// return UIInterfaceOrientationPortrait;
|
||
//}
|
||
|
||
@end
|