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105 lines
3.6 KiB
Objective-C
105 lines
3.6 KiB
Objective-C
/* HistoryTableViewController.m
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*
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* Copyright (C) 2009 Belledonne Comunications, Grenoble, France
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#import "UICheckBoxTVTableViewController.h"
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@implementation UICheckBoxTVTableViewController
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- (instancetype)initWithCoder:(NSCoder *)aDecoder {
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self = [super initWithCoder:aDecoder];
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_selectedItems = [[NSMutableArray alloc] init];
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return self;
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}
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- (instancetype)init {
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self = [super init];
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_selectedItems = [[NSMutableArray alloc] init];
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return self;
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}
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#pragma mark - UITableViewDelegate Functions
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
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UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
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[tableView deselectRowAtIndexPath:[tableView indexPathForSelectedRow] animated:NO];
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cell.accessoryType = (cell.accessoryType == UITableViewCellAccessoryCheckmark) ? UITableViewCellAccessoryNone
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: UITableViewCellAccessoryCheckmark;
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[self accessoryForCell:cell atPath:indexPath];
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}
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- (UITableViewCellEditingStyle)tableView:(UITableView *)aTableView
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editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
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// Detemine if it's in editing mode
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if (self.editing) {
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return UITableViewCellEditingStyleDelete;
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}
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return UITableViewCellEditingStyleNone;
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}
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#pragma mark -
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- (void)accessoryForCell:(UITableViewCell *)cell atPath:(NSIndexPath *)indexPath {
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cell.selectionStyle = UITableViewCellSelectionStyleNone;
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if ([self isEditing]) {
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UIImage *image = nil;
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if (cell.accessoryType == UITableViewCellAccessoryCheckmark) {
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[_selectedItems addObject:indexPath];
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image = [UIImage imageNamed:@"checkbox_checked.png"];
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} else if (cell.accessoryType == UITableViewCellAccessoryNone) {
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[_selectedItems removeObject:indexPath];
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image = [UIImage imageNamed:@"checkbox_unchecked.png"];
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}
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UIButton *checkBoxButton = [UIButton buttonWithType:UIButtonTypeCustom];
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[checkBoxButton setImage:image forState:UIControlStateNormal];
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[checkBoxButton setFrame:CGRectMake(0, 0, 19, 19)];
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[checkBoxButton setBackgroundColor:[UIColor clearColor]];
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cell.accessoryView = checkBoxButton;
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} else {
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cell.accessoryView = nil;
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cell.accessoryType = UITableViewCellAccessoryNone;
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}
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}
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- (void)setEditing:(BOOL)editing animated:(BOOL)animated {
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[super setEditing:editing animated:animated];
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// when switching editing mode, we must reload all cells to remove/add checkboxes
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[self loadData];
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}
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- (void)loadData {
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[_selectedItems removeAllObjects];
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[self.tableView reloadData];
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}
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- (void)removeSelection {
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// we must iterate through selected items in reverse order
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[_selectedItems sortUsingComparator:^(NSIndexPath *obj1, NSIndexPath *obj2) {
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return [obj2 compare:obj1];
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}];
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for (NSIndexPath *indexPath in _selectedItems) {
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[self tableView:self.tableView
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commitEditingStyle:UITableViewCellEditingStyleDelete
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forRowAtIndexPath:indexPath];
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}
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[_selectedItems removeAllObjects];
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}
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@end
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