Signal-iOS/SignalUI/ViewControllers/OWSTableViewController.m
2022-07-28 16:28:33 -07:00

1020 lines
34 KiB
Objective-C

//
// Copyright (c) 2022 Open Whisper Systems. All rights reserved.
//
#import "OWSTableViewController.h"
#import "OWSNavigationController.h"
#import "Theme.h"
#import "UIFont+OWS.h"
#import "UIView+SignalUI.h"
#import <SignalUI/SignalUI-Swift.h>
NS_ASSUME_NONNULL_BEGIN
const CGFloat kOWSTable_DefaultCellHeight = 45.f;
@interface OWSTableContents ()
@property (nonatomic) NSMutableArray<OWSTableSection *> *sections;
@end
#pragma mark -
@implementation OWSTableContents
- (instancetype)init
{
if (self = [super init]) {
_sections = [NSMutableArray new];
}
return self;
}
- (void)addSection:(OWSTableSection *)section
{
OWSAssertDebug(section);
[_sections addObject:section];
}
@end
#pragma mark -
@interface OWSTableSection ()
@property (nonatomic) NSMutableArray<OWSTableItem *> *items;
@end
#pragma mark -
@implementation OWSTableSection
+ (OWSTableSection *)sectionWithTitle:(nullable NSString *)title items:(NSArray<OWSTableItem *> *)items
{
OWSTableSection *section = [OWSTableSection new];
section.headerTitle = title;
section.items = [items mutableCopy];
return section;
}
- (instancetype)init
{
if (self = [super init]) {
_items = [NSMutableArray new];
_hasSeparators = YES;
_hasBackground = YES;
}
return self;
}
- (void)addItem:(OWSTableItem *)item
{
OWSAssertDebug(item);
[_items addObject:item];
}
- (void)addItems:(NSArray<OWSTableItem *> *)items
{
for (OWSTableItem *item in items) {
[self addItem:item];
}
}
- (NSUInteger)itemCount
{
return _items.count;
}
@end
#pragma mark -
@implementation OWSTableItemEditAction
+ (OWSTableItemEditAction *)actionWithTitle:(nullable NSString *)title block:(OWSTableActionBlock)block
{
OWSTableItemEditAction *action = [OWSTableItemEditAction new];
action.title = title;
action.block = block;
return action;
}
@end
#pragma mark -
@interface OWSTableItem ()
@property (nonatomic, nullable) NSString *title;
@property (nonatomic, nullable) OWSTableActionBlock actionBlock;
@property (nonatomic) OWSTableCustomCellBlock customCellBlock;
@property (nonatomic) OWSTableDequeueCellBlock dequeueCellBlock;
@end
#pragma mark -
@implementation OWSTableItem
- (instancetype)init
{
self = [super init];
if (!self) {
return self;
}
self.customRowHeight = @(UITableViewAutomaticDimension);
return self;
}
+ (UITableViewCell *)newCell
{
UITableViewCell *cell = [UITableViewCell new];
[self configureCell:cell];
return cell;
}
+ (void)configureCellLabels:(UITableViewCell *)cell
{
cell.textLabel.font = OWSTableItem.primaryLabelFont;
cell.textLabel.textColor = Theme.primaryTextColor;
cell.detailTextLabel.textColor = Theme.secondaryTextAndIconColor;
cell.detailTextLabel.font = OWSTableItem.accessoryLabelFont;
}
+ (void)configureCell:(UITableViewCell *)cell
{
UIView *selectedBackgroundView = [UIView new];
cell.selectedBackgroundView = selectedBackgroundView;
cell.backgroundColor = Theme.backgroundColor;
cell.selectedBackgroundView.backgroundColor = Theme.cellSelectedColor;
[self configureCellLabels:cell];
}
+ (OWSTableItem *)itemWithTitle:(NSString *)title actionBlock:(nullable OWSTableActionBlock)actionBlock
{
OWSAssertDebug(title.length > 0);
OWSTableItem *item = [OWSTableItem new];
item.actionBlock = actionBlock;
item.title = title;
return item;
}
+ (OWSTableItem *)itemWithCustomCellBlock:(OWSTableCustomCellBlock)customCellBlock
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
return [self itemWithCustomCellBlock:customCellBlock
customRowHeight:UITableViewAutomaticDimension
actionBlock:actionBlock];
}
+ (OWSTableItem *)itemWithCustomCellBlock:(OWSTableCustomCellBlock)customCellBlock
customRowHeight:(CGFloat)customRowHeight
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
OWSAssertDebug(customCellBlock);
OWSTableItem *item = [OWSTableItem new];
item.actionBlock = actionBlock;
item.customCellBlock = customCellBlock;
item.customRowHeight = @(customRowHeight);
return item;
}
+ (OWSTableItem *)itemWithDequeueCellBlock:(OWSTableDequeueCellBlock)dequeueCellBlock
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
OWSTableItem *item = [OWSTableItem new];
item.actionBlock = actionBlock;
item.dequeueCellBlock = dequeueCellBlock;
item.customRowHeight = @(UITableViewAutomaticDimension);
return item;
}
+ (OWSTableItem *)disclosureItemWithText:(NSString *)text actionBlock:(nullable OWSTableActionBlock)actionBlock
{
return [self itemWithText:text actionBlock:actionBlock accessoryType:UITableViewCellAccessoryDisclosureIndicator];
}
+ (OWSTableItem *)disclosureItemWithText:(NSString *)text
accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
return [self itemWithText:text
accessibilityIdentifier:accessibilityIdentifier
actionBlock:actionBlock
accessoryType:UITableViewCellAccessoryDisclosureIndicator];
}
+ (OWSTableItem *)checkmarkItemWithText:(NSString *)text actionBlock:(nullable OWSTableActionBlock)actionBlock
{
return [self checkmarkItemWithText:text accessibilityIdentifier:nil actionBlock:actionBlock];
}
+ (OWSTableItem *)checkmarkItemWithText:(NSString *)text
accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
return [self itemWithText:text
accessibilityIdentifier:accessibilityIdentifier
actionBlock:actionBlock
accessoryType:UITableViewCellAccessoryCheckmark];
}
+ (OWSTableItem *)itemWithText:(NSString *)text
actionBlock:(nullable OWSTableActionBlock)actionBlock
accessoryType:(UITableViewCellAccessoryType)accessoryType
{
return [self itemWithText:text accessibilityIdentifier:nil actionBlock:actionBlock accessoryType:accessoryType];
}
+ (OWSTableItem *)itemWithText:(NSString *)text
accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
actionBlock:(nullable OWSTableActionBlock)actionBlock
accessoryType:(UITableViewCellAccessoryType)accessoryType
{
OWSAssertDebug(text.length > 0);
OWSAssertDebug(actionBlock);
OWSTableItem *item = [OWSTableItem new];
item.actionBlock = actionBlock;
item.customCellBlock = ^{
return [OWSTableItem buildCellWithAccessoryLabelWithItemName:text
textColor:nil
accessoryText:nil
accessoryType:accessoryType
accessoryImage:nil
accessibilityIdentifier:accessibilityIdentifier];
};
return item;
}
+ (OWSTableItem *)disclosureItemWithText:(NSString *)text
customRowHeight:(CGFloat)customRowHeight
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
return [self disclosureItemWithText:text
accessibilityIdentifier:nil
customRowHeight:customRowHeight
actionBlock:actionBlock];
}
+ (OWSTableItem *)disclosureItemWithText:(NSString *)text
accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
customRowHeight:(CGFloat)customRowHeight
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
OWSAssertDebug(customRowHeight > 0 || customRowHeight == UITableViewAutomaticDimension);
OWSTableItem *item = [self disclosureItemWithText:text
accessibilityIdentifier:accessibilityIdentifier
actionBlock:actionBlock];
item.customRowHeight = @(customRowHeight);
return item;
}
+ (OWSTableItem *)disclosureItemWithText:(NSString *)text
detailText:(NSString *)detailText
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
return [self disclosureItemWithText:text detailText:detailText accessibilityIdentifier:nil actionBlock:actionBlock];
}
+ (OWSTableItem *)disclosureItemWithText:(NSString *)text
detailText:(NSString *)detailText
accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
OWSAssertDebug(text.length > 0);
OWSAssertDebug(actionBlock);
OWSTableItem *item = [OWSTableItem new];
item.actionBlock = actionBlock;
item.customCellBlock = ^{
return [OWSTableItem buildCellWithAccessoryLabelWithItemName:text
textColor:nil
accessoryText:detailText
accessoryType:UITableViewCellAccessoryDisclosureIndicator
accessoryImage:nil
accessibilityIdentifier:accessibilityIdentifier];
};
item.customRowHeight = @(UITableViewAutomaticDimension);
return item;
}
+ (OWSTableItem *)subPageItemWithText:(NSString *)text actionBlock:(nullable OWSTableSubPageBlock)actionBlock
{
OWSAssertDebug(text.length > 0);
OWSAssertDebug(actionBlock);
OWSTableItem *item = [OWSTableItem new];
__weak OWSTableItem *weakItem = item;
item.actionBlock = ^{
OWSTableItem *strongItem = weakItem;
OWSAssertDebug(strongItem);
OWSAssertDebug(strongItem.tableViewController);
if (actionBlock) {
actionBlock(strongItem.tableViewController);
}
};
item.customCellBlock = ^{
return [OWSTableItem buildCellWithAccessoryLabelWithItemName:text
textColor:nil
accessoryText:nil
accessoryType:UITableViewCellAccessoryDisclosureIndicator
accessoryImage:nil
accessibilityIdentifier:nil];
};
return item;
}
+ (OWSTableItem *)subPageItemWithText:(NSString *)text
customRowHeight:(CGFloat)customRowHeight
actionBlock:(nullable OWSTableSubPageBlock)actionBlock
{
OWSAssertDebug(customRowHeight > 0 || customRowHeight == UITableViewAutomaticDimension);
OWSTableItem *item = [self subPageItemWithText:text actionBlock:actionBlock];
item.customRowHeight = @(customRowHeight);
return item;
}
+ (OWSTableItem *)actionItemWithText:(NSString *)text actionBlock:(nullable OWSTableActionBlock)actionBlock
{
return [self actionItemWithText:text accessibilityIdentifier:nil actionBlock:actionBlock];
}
+ (OWSTableItem *)actionItemWithText:(NSString *)text
accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
return [self actionItemWithText:text
textColor:nil
accessibilityIdentifier:accessibilityIdentifier
actionBlock:actionBlock];
}
+ (OWSTableItem *)actionItemWithText:(NSString *)text
textColor:(nullable UIColor *)textColor
accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
OWSAssertDebug(text.length > 0);
OWSAssertDebug(actionBlock);
OWSTableItem *item = [OWSTableItem new];
item.actionBlock = actionBlock;
item.customCellBlock = ^{
return [OWSTableItem buildCellWithAccessoryLabelWithItemName:text
textColor:textColor
accessoryText:nil
accessoryType:UITableViewCellAccessoryNone
accessoryImage:nil
accessibilityIdentifier:accessibilityIdentifier];
};
return item;
}
+ (OWSTableItem *)actionItemWithText:(NSString *)text
accessoryImage:(UIImage *)accessoryImage
accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
actionBlock:(nullable OWSTableActionBlock)actionBlock
{
OWSAssertDebug(text.length > 0);
OWSAssertDebug(accessoryImage);
OWSTableItem *item = [OWSTableItem new];
item.actionBlock = actionBlock;
item.customCellBlock = ^{
return [OWSTableItem buildCellWithAccessoryLabelWithItemName:text
textColor:nil
accessoryText:nil
accessoryType:UITableViewCellAccessoryNone
accessoryImage:accessoryImage
accessibilityIdentifier:accessibilityIdentifier];
};
return item;
}
+ (OWSTableItem *)softCenterLabelItemWithText:(NSString *)text
{
OWSAssertDebug(text.length > 0);
OWSTableItem *item = [OWSTableItem new];
item.customCellBlock = ^{
UITableViewCell *cell = [OWSTableItem newCell];
UILabel *textLabel = [UILabel new];
textLabel.text = text;
// These cells look quite different.
//
// Smaller font.
textLabel.font = OWSTableItem.primaryLabelFont;
// Soft color.
// TODO: Theme, review with design.
textLabel.textColor = Theme.middleGrayColor;
// Centered.
textLabel.textAlignment = NSTextAlignmentCenter;
[cell.contentView addSubview:textLabel];
[textLabel autoPinEdgesToSuperviewMargins];
cell.userInteractionEnabled = NO;
return cell;
};
return item;
}
+ (OWSTableItem *)softCenterLabelItemWithText:(NSString *)text customRowHeight:(CGFloat)customRowHeight
{
OWSAssertDebug(customRowHeight > 0 || customRowHeight == UITableViewAutomaticDimension);
OWSTableItem *item = [self softCenterLabelItemWithText:text];
item.customRowHeight = @(customRowHeight);
return item;
}
+ (OWSTableItem *)labelItemWithText:(NSString *)text
{
OWSAssertDebug(text.length > 0);
OWSTableItem *item = [OWSTableItem new];
item.customCellBlock = ^{
UITableViewCell *cell = [OWSTableItem buildCellWithAccessoryLabelWithItemName:text
textColor:nil
accessoryText:nil
accessoryType:UITableViewCellAccessoryNone
accessoryImage:nil
accessibilityIdentifier:nil];
cell.userInteractionEnabled = NO;
return cell;
};
return item;
}
+ (OWSTableItem *)labelItemWithText:(NSString *)text accessoryText:(NSString *)accessoryText
{
OWSAssertDebug(text.length > 0);
OWSAssertDebug(accessoryText.length > 0);
OWSTableItem *item = [OWSTableItem new];
item.customCellBlock = ^{
UITableViewCell *cell = [OWSTableItem buildCellWithAccessoryLabelWithItemName:text
textColor:nil
accessoryText:accessoryText
accessoryType:UITableViewCellAccessoryNone
accessoryImage:nil
accessibilityIdentifier:nil];
cell.userInteractionEnabled = NO;
return cell;
};
return item;
}
+ (OWSTableItem *)longDisclosureItemWithText:(NSString *)text actionBlock:(nullable OWSTableActionBlock)actionBlock
{
OWSAssertDebug(text.length > 0);
OWSTableItem *item = [OWSTableItem new];
item.customCellBlock = ^{
UITableViewCell *cell = [OWSTableItem newCell];
UILabel *textLabel = [UILabel new];
textLabel.text = text;
textLabel.numberOfLines = 0;
textLabel.lineBreakMode = NSLineBreakByWordWrapping;
[cell.contentView addSubview:textLabel];
[textLabel autoPinEdgesToSuperviewMargins];
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
return cell;
};
item.customRowHeight = @(UITableViewAutomaticDimension);
item.actionBlock = actionBlock;
return item;
}
+ (OWSTableItem *)switchItemWithText:(NSString *)text
isOnBlock:(OWSTableSwitchBlock)isOnBlock
target:(id)target
selector:(SEL)selector
{
return [self switchItemWithText:text
isOnBlock:(OWSTableSwitchBlock)isOnBlock
isEnabledBlock:^{ return YES; }
target:target
selector:selector];
}
+ (OWSTableItem *)switchItemWithText:(NSString *)text
isOnBlock:(OWSTableSwitchBlock)isOnBlock
isEnabledBlock:(OWSTableSwitchBlock)isEnabledBlock
target:(id)target
selector:(SEL)selector
{
return [self switchItemWithText:text
accessibilityIdentifier:nil
isOnBlock:isOnBlock
isEnabledBlock:isEnabledBlock
target:target
selector:selector];
}
+ (OWSTableItem *)switchItemWithText:(NSString *)text
accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
isOnBlock:(OWSTableSwitchBlock)isOnBlock
isEnabledBlock:(OWSTableSwitchBlock)isEnabledBlock
target:(id)target
selector:(SEL)selector
{
OWSAssertDebug(text.length > 0);
OWSAssertDebug(target);
OWSAssertDebug(selector);
OWSTableItem *item = [OWSTableItem new];
__weak id weakTarget = target;
item.customCellBlock = ^{
UITableViewCell *cell = [OWSTableItem buildCellWithAccessoryLabelWithItemName:text
textColor:nil
accessoryText:nil
accessoryType:UITableViewCellAccessoryNone
accessoryImage:nil
accessibilityIdentifier:accessibilityIdentifier];
UISwitch *cellSwitch = [UISwitch new];
cell.accessoryView = cellSwitch;
[cellSwitch setOn:isOnBlock()];
[cellSwitch addTarget:weakTarget action:selector forControlEvents:UIControlEventValueChanged];
cellSwitch.enabled = isEnabledBlock();
cellSwitch.accessibilityIdentifier = accessibilityIdentifier;
cell.selectionStyle = UITableViewCellSelectionStyleNone;
return cell;
};
item.customRowHeight = @(UITableViewAutomaticDimension);
return item;
}
- (nullable UITableViewCell *)getOrBuildCustomCell:(UITableView *)tableView
{
if (_customCellBlock) {
OWSAssertDebug(_dequeueCellBlock == nil);
return _customCellBlock();
}
if (_dequeueCellBlock) {
return _dequeueCellBlock(tableView);
}
return nil;
}
@end
#pragma mark -
@interface OWSTableViewController () <UITableViewDelegate, UITableViewDataSource>
@property (nonatomic) UITableView *tableView;
@end
#pragma mark -
NSString *const kOWSTableCellIdentifier = @"kOWSTableCellIdentifier";
@implementation OWSTableViewController
- (instancetype)init
{
self = [super init];
if (!self) {
return self;
}
_contents = [OWSTableContents new];
return self;
}
- (void)loadView
{
[super loadView];
OWSAssertDebug(self.contents);
self.tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStyleGrouped];
self.tableView.delegate = self;
self.tableView.dataSource = self;
self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
[self.view addSubview:self.tableView];
if (self.shouldAvoidKeyboard) {
[self.tableView autoPinEdgesToSuperviewEdgesWithInsets:UIEdgeInsetsZero excludingEdge:ALEdgeBottom];
[self autoPinViewToBottomOfViewControllerOrKeyboard:self.tableView avoidNotch:YES];
} else {
[self.tableView autoPinEdgesToSuperviewEdges];
}
[self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:kOWSTableCellIdentifier];
[self configureTableLayoutMargins];
[self applyContents];
[self applyTheme];
// Reload when dynamic type settings change.
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(uiContentSizeCategoryDidChange:)
name:UIContentSizeCategoryDidChangeNotification
object:nil];
}
- (void)uiContentSizeCategoryDidChange:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
[self applyContents];
}
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
}
- (OWSTableSection *)sectionForIndex:(NSInteger)sectionIndex
{
OWSAssertDebug(self.contents);
OWSAssertDebug(sectionIndex >= 0 && sectionIndex < (NSInteger)self.contents.sections.count);
OWSTableSection *section = self.contents.sections[(NSUInteger)sectionIndex];
return section;
}
- (OWSTableItem *)itemForIndexPath:(NSIndexPath *)indexPath
{
OWSAssertDebug(self.contents);
OWSAssertDebug(indexPath.section >= 0 && indexPath.section < (NSInteger)self.contents.sections.count);
OWSTableSection *section = self.contents.sections[(NSUInteger)indexPath.section];
OWSAssertDebug(indexPath.item >= 0 && indexPath.item < (NSInteger)section.items.count);
OWSTableItem *item = section.items[(NSUInteger)indexPath.item];
return item;
}
- (void)setContents:(OWSTableContents *)contents
{
OWSAssertDebug(contents);
OWSAssertIsOnMainThread();
if (contents != _contents) {
_contents = contents;
[self applyContents];
}
}
- (void)applyContents
{
if (self.contents.title.length > 0) {
self.title = self.contents.title;
}
[self.tableView reloadData];
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
OWSAssertDebug(self.contents);
return (NSInteger)self.contents.sections.count;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)sectionIndex
{
OWSTableSection *section = [self sectionForIndex:sectionIndex];
OWSAssertDebug(section.items);
return (NSInteger)section.items.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
OWSTableItem *item = [self itemForIndexPath:indexPath];
item.tableViewController = self;
UITableViewCell *_Nullable customCell = [item getOrBuildCustomCell:self.tableView];
if (customCell != nil) {
if (self.useThemeBackgroundColors) {
customCell.backgroundColor = Theme.tableCellBackgroundColor;
}
return customCell;
}
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:kOWSTableCellIdentifier];
OWSAssertDebug(cell);
[OWSTableItem configureCell:cell];
cell.textLabel.text = item.title;
if (self.useThemeBackgroundColors) {
customCell.backgroundColor = Theme.tableCellBackgroundColor;
}
return cell;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
OWSTableItem *item = [self itemForIndexPath:indexPath];
if (item.customRowHeight != nil) {
return [item.customRowHeight floatValue];
}
return kOWSTable_DefaultCellHeight;
}
- (nullable UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)sectionIndex
{
OWSTableSection *section = [self sectionForIndex:sectionIndex];
if (section.customHeaderView) {
return section.customHeaderView;
} else if (section.headerTitle.length > 0 || section.headerAttributedTitle.length > 0) {
UITextView *textView = [LinkingTextView new];
textView.textColor = Theme.secondaryTextAndIconColor;
textView.font = UIFont.ows_dynamicTypeCaption1Font;
if (section.headerAttributedTitle.length > 0) {
textView.attributedText = section.headerAttributedTitle;
} else {
textView.text = [section.headerTitle uppercaseString];
}
UIView *sectionView = [[UIView alloc] init];
[sectionView addSubview:textView];
[textView autoPinHeightToSuperview];
if (self.layoutMarginsRelativeTableContent) {
sectionView.preservesSuperviewLayoutMargins = YES;
[textView autoPinWidthToSuperviewMargins];
textView.textContainerInset = UIEdgeInsetsMake(16, 0, 6, 0);
} else {
[textView autoPinWidthToSuperview];
CGFloat tableEdgeInsets = UIDevice.currentDevice.isPlusSizePhone ? 20 : 16;
textView.textContainerInset = UIEdgeInsetsMake(16, tableEdgeInsets, 6, tableEdgeInsets);
}
return sectionView;
}
return nil;
}
- (nullable UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)sectionIndex
{
OWSTableSection *section = [self sectionForIndex:sectionIndex];
if (section.customFooterView) {
return section.customFooterView;
} else if (section.footerTitle.length > 0 || section.footerAttributedTitle.length > 0) {
UITextView *textView = [LinkingTextView new];
textView.textColor = UIColor.ows_gray45Color;
textView.font = UIFont.ows_dynamicTypeCaption1Font;
textView.linkTextAttributes = @{
NSForegroundColorAttributeName : Theme.accentBlueColor,
NSUnderlineStyleAttributeName : @(NSUnderlineStyleNone),
NSFontAttributeName : UIFont.ows_dynamicTypeCaption1Font,
};
if (section.footerAttributedTitle.length > 0) {
textView.attributedText = section.footerAttributedTitle;
} else {
textView.text = section.footerTitle;
}
UIView *sectionView = [[UIView alloc] init];
[sectionView addSubview:textView];
[textView autoPinHeightToSuperview];
if (self.layoutMarginsRelativeTableContent) {
sectionView.preservesSuperviewLayoutMargins = YES;
[textView autoPinWidthToSuperviewMargins];
textView.textContainerInset = UIEdgeInsetsMake(6, 0, 12, 0);
} else {
[textView autoPinWidthToSuperview];
CGFloat tableEdgeInsets = UIDevice.currentDevice.isPlusSizePhone ? 20 : 16;
textView.textContainerInset = UIEdgeInsetsMake(6, tableEdgeInsets, 12, tableEdgeInsets);
}
return sectionView;
}
return nil;
}
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)sectionIndex
{
OWSTableSection *_Nullable section = [self sectionForIndex:sectionIndex];
if (!section) {
OWSFailDebug(@"Section index out of bounds.");
return 0;
}
if (section.customHeaderHeight) {
OWSAssertDebug([section.customHeaderHeight floatValue] > 0 ||
[section.customHeaderHeight floatValue] == UITableViewAutomaticDimension);
return [section.customHeaderHeight floatValue];
} else {
UIView *_Nullable view = [self tableView:tableView viewForHeaderInSection:sectionIndex];
if (view) {
return UITableViewAutomaticDimension;
} else {
return 0;
}
}
}
- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)sectionIndex
{
OWSTableSection *_Nullable section = [self sectionForIndex:sectionIndex];
if (!section) {
OWSFailDebug(@"Section index out of bounds.");
return 0;
}
if (section.customFooterHeight) {
OWSAssertDebug([section.customFooterHeight floatValue] > 0 ||
[section.customFooterHeight floatValue] == UITableViewAutomaticDimension);
return [section.customFooterHeight floatValue];
} else {
UIView *_Nullable view = [self tableView:tableView viewForFooterInSection:sectionIndex];
if (view) {
return UITableViewAutomaticDimension;
} else {
return 0;
}
}
}
// Called before the user changes the selection. Return a new indexPath, or nil, to change the proposed selection.
- (nullable NSIndexPath *)tableView:(UITableView *)tableView willSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
OWSTableItem *item = [self itemForIndexPath:indexPath];
if (!item.actionBlock) {
return nil;
}
return indexPath;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
[tableView deselectRowAtIndexPath:indexPath animated:YES];
OWSTableItem *item = [self itemForIndexPath:indexPath];
if (item.actionBlock) {
item.actionBlock();
}
}
#pragma mark Index
- (NSInteger)tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index
{
if (self.contents.sectionForSectionIndexTitleBlock) {
return self.contents.sectionForSectionIndexTitleBlock(title, index);
} else {
return 0;
}
}
- (nullable NSArray<NSString *> *)sectionIndexTitlesForTableView:(UITableView *)tableView
{
if (self.contents.sectionIndexTitlesForTableViewBlock) {
return self.contents.sectionIndexTitlesForTableViewBlock();
} else {
return 0;
}
}
#pragma mark - Presentation
- (void)presentFromViewController:(UIViewController *)fromViewController
{
OWSAssertDebug(fromViewController);
OWSNavigationController *navigationController = [[OWSNavigationController alloc] initWithRootViewController:self];
self.navigationItem.leftBarButtonItem =
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemStop
target:self
action:@selector(donePressed:)];
[fromViewController presentViewController:navigationController animated:YES completion:nil];
}
- (void)donePressed:(id)sender
{
[self dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark - UIScrollViewDelegate
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
{
[self.delegate tableViewWillBeginDragging];
}
#pragma mark - Theme
- (void)themeDidChange
{
OWSAssertIsOnMainThread();
[super themeDidChange];
[self.tableView reloadData];
}
- (void)setUseThemeBackgroundColors:(BOOL)useThemeBackgroundColors
{
_useThemeBackgroundColors = useThemeBackgroundColors;
[self applyTheme];
}
- (void)applyTheme
{
OWSAssertIsOnMainThread();
[super applyTheme];
UIColor *backgroundColor = (self.useThemeBackgroundColors ? Theme.tableViewBackgroundColor : Theme.backgroundColor);
self.view.backgroundColor = backgroundColor;
self.tableView.backgroundColor = backgroundColor;
self.tableView.separatorColor = Theme.cellSeparatorColor;
}
- (void)configureTableLayoutMargins
{
if (!self.layoutMarginsRelativeTableContent) {
return;
}
self.tableView.preservesSuperviewLayoutMargins = YES;
self.tableView.layoutMargins = UIEdgeInsetsZero;
}
#pragma mark - Editing
- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
OWSTableItem *item = [self itemForIndexPath:indexPath];
if (item.deleteAction != nil) {
return UITableViewCellEditingStyleDelete;
}
return UITableViewCellEditingStyleNone;
}
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
OWSTableItem *item = [self itemForIndexPath:indexPath];
return item.deleteAction != nil;
}
- (nullable NSString *)tableView:(UITableView *)tableView
titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath
{
OWSTableItem *item = [self itemForIndexPath:indexPath];
return item.deleteAction.title;
}
- (void)tableView:(UITableView *)tableView
commitEditingStyle:(UITableViewCellEditingStyle)editingStyle
forRowAtIndexPath:(NSIndexPath *)indexPath
{
OWSTableItem *item = [self itemForIndexPath:indexPath];
if (editingStyle == UITableViewCellEditingStyleDelete && item.deleteAction != nil) {
item.deleteAction.block();
}
}
- (void)setEditing:(BOOL)editing animated:(BOOL)animated
{
[super setEditing:editing animated:animated];
[self.tableView setEditing:editing animated:animated];
}
- (void)setEditing:(BOOL)editing
{
[super setEditing:editing];
[self.tableView setEditing:editing];
}
@end
NS_ASSUME_NONNULL_END