132 lines
4.4 KiB
Objective-C
132 lines
4.4 KiB
Objective-C
//
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// JPImagePickerOverviewController.m
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// JPImagePickerController
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//
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// Created by Jeena on 11.11.09.
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// Copyright 2009 Jeena Paradies.
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// Licence: MIT-Licence
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//
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#import "JPImagePickerOverviewController.h"
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@implementation JPImagePickerOverviewController
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@synthesize imagePickerController, detailController, scrollView;
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#define PADDING_TOP 44
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#define PADDING 4
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#define THUMBNAIL_COLS 4
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- (id)initWithImagePickerController:(JPImagePickerController *)newImagePickerController {
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if (self = [super initWithNibName:@"JPImagePickerOverviewController" bundle:nil]) {
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// Custom initialization
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imagePickerController = newImagePickerController;
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[imagePickerController retain];
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}
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return self;
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}
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- (void)dealloc {
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[imagePickerController release];
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[detailController release];
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[scrollView release];
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[super dealloc];
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}
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// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
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- (void)viewDidLoad {
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[super viewDidLoad];
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[self setImagePickerTitle:imagePickerController.imagePickerTitle];
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UIBarButtonItem *cancelButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
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target:self
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action:@selector(cancelPicking:)];
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self.navigationItem.rightBarButtonItem = cancelButton;
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[cancelButton release];
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UIButton *button;
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UIImage *thumbnail;
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int images_count = [imagePickerController.dataSource numberOfImagesInImagePicker:imagePickerController];
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for (int i=0; i<images_count; i++) {
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thumbnail = [[imagePickerController.dataSource imagePicker:imagePickerController thumbnailForImageNumber:(NSInteger)i]
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scaleAndCropToSize:CGSizeMake(kJPImagePickerControllerThumbnailSizeWidth, kJPImagePickerControllerThumbnailSizeHeight)
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onlyIfNeeded:NO];
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button = [UIButton buttonWithType:UIButtonTypeCustom];
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[button setImage:thumbnail forState:UIControlStateNormal];
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button.showsTouchWhenHighlighted = YES;
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button.userInteractionEnabled = YES;
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[button addTarget:self action:@selector(buttonTouched:) forControlEvents:UIControlEventTouchUpInside];
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button.tag = i;
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button.frame = CGRectMake(kJPImagePickerControllerThumbnailSizeWidth * (i % THUMBNAIL_COLS) + PADDING * (i % THUMBNAIL_COLS) + PADDING,
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kJPImagePickerControllerThumbnailSizeHeight * (i / THUMBNAIL_COLS) + PADDING * (i / THUMBNAIL_COLS) + PADDING + PADDING_TOP,
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kJPImagePickerControllerThumbnailSizeWidth,
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kJPImagePickerControllerThumbnailSizeHeight);
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[scrollView addSubview:button];
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}
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int rows = images_count / THUMBNAIL_COLS;
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if (((float)images_count / THUMBNAIL_COLS) - rows != 0) {
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rows++;
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}
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int height = kJPImagePickerControllerThumbnailSizeHeight * rows + PADDING * rows + PADDING + PADDING_TOP;
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scrollView.contentSize = CGSizeMake(self.view.frame.size.width, height);
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scrollView.clipsToBounds = YES;
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}
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- (void)setImagePickerTitle:(NSString *)newTitle {
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self.navigationItem.title = newTitle;
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}
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- (NSString *)imagePickerTitle {
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return self.navigationItem.title;
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}
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/*
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// Override to allow orientations other than the default portrait orientation.
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- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
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// Return YES for supported orientations
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return (interfaceOrientation == UIInterfaceOrientationPortrait);
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}
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*/
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- (IBAction)cancelPicking:(id)sender {
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[[UIApplication sharedApplication] setStatusBarStyle:imagePickerController.originalStatusBarStyle animated:YES];
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[imagePickerController.delegate imagePickerDidCancel:imagePickerController];
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}
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- (void)buttonTouched:(UIButton *)sender {
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[self performSelector:@selector(pushDetailViewWithSender:) withObject:sender afterDelay:0];
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}
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- (void)pushDetailViewWithSender:(UIButton *)sender {
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if (detailController == nil) {
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detailController = [[JPImagePickerDetailController alloc] initWithOverviewController:self];
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}
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detailController.imageNumber = sender.tag;
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[imagePickerController.modalNavigationController pushViewController:detailController animated:YES];
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}
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- (void)didReceiveMemoryWarning {
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// Releases the view if it doesn't have a superview.
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[super didReceiveMemoryWarning];
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// Release any cached data, images, etc that aren't in use.
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}
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- (void)viewDidUnload {
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// Release any retained subviews of the main view.
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// e.g. self.myOutlet = nil;
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}
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@end
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