FreeRDP/client/iOS/Controllers/EditorSelectionController.m

137 lines
4.5 KiB
Objective-C

/*
Generic controller to select a single item from a list of options
Copyright 2013 Thincast Technologies GmbH, Author: Martin Fleisz
This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#import "EditorSelectionController.h"
#import "ConnectionParams.h"
#import "OrderedDictionary.h"
@interface EditorSelectionController (Private)
- (OrderedDictionary*)selectionForIndex:(int)index;
@end
@implementation EditorSelectionController
- (id)initWithConnectionParams:(ConnectionParams*)params entries:(NSArray *)entries selections:(NSArray *)selections
{
self = [super initWithStyle:UITableViewStyleGrouped];
if (self)
{
_params = [params retain];
_entries = [entries retain];
_selections = [selections retain];
// allocate and init current selections array
_cur_selections = [[NSMutableArray alloc] initWithCapacity:[_entries count]];
for (int i = 0; i < [entries count]; ++i)
{
NSString* entry = [entries objectAtIndex:i];
if([_params hasValueForKeyPath:entry])
{
NSUInteger idx = [(OrderedDictionary*)[selections objectAtIndex:i] indexForValue:[NSNumber numberWithInt:[_params intForKeyPath:entry]]];
[_cur_selections addObject:[NSNumber numberWithInt:(idx != NSNotFound ? idx : 0)]];
}
else
[_cur_selections addObject:[NSNumber numberWithInt:0]];
}
}
return self;
}
- (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.
[_params autorelease];
[_entries autorelease];
[_selections autorelease];
[_cur_selections autorelease];
}
#pragma mark - View lifecycle
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return YES;
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
// Return the number of sections.
return [_entries count];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
// Return the number of rows in the section.
return [[self selectionForIndex:section] count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell = [self tableViewCellFromIdentifier:TableCellIdentifierMultiChoice];
// get selection
OrderedDictionary* selection = [self selectionForIndex:[indexPath section]];
// set cell properties
[[cell textLabel] setText:[selection keyAtIndex:[indexPath row]]];
// set default checkmark
if([indexPath row] == [[_cur_selections objectAtIndex:[indexPath section]] intValue])
[cell setAccessoryType:UITableViewCellAccessoryCheckmark];
else
[cell setAccessoryType:UITableViewCellAccessoryNone];
return cell;
}
#pragma mark - Table view delegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
// has selection change?
int cur_selection = [[_cur_selections objectAtIndex:[indexPath section]] intValue];
if([indexPath row] != cur_selection)
{
[tableView deselectRowAtIndexPath:indexPath animated:NO];
NSIndexPath* oldIndexPath = [NSIndexPath indexPathForRow:cur_selection inSection:[indexPath section]];
// clear old checkmark
UITableViewCell* old_sel_cell = [tableView cellForRowAtIndexPath:oldIndexPath];
old_sel_cell.accessoryType = UITableViewCellAccessoryNone;
// set new checkmark
UITableViewCell* new_sel_cell = [tableView cellForRowAtIndexPath:indexPath];
new_sel_cell.accessoryType = UITableViewCellAccessoryCheckmark;
// get value from selection dictionary
OrderedDictionary* dict = [self selectionForIndex:[indexPath section]];
int sel_value = [[dict valueForKey:[dict keyAtIndex:[indexPath row]]] intValue];
// update selection index and params value
[_cur_selections replaceObjectAtIndex:[indexPath section] withObject:[NSNumber numberWithInt:[indexPath row]]];
[_params setInt:sel_value forKeyPath:[_entries objectAtIndex:[indexPath section]]];
}
}
#pragma mark - Convenience functions
- (OrderedDictionary*)selectionForIndex:(int)index
{
return (OrderedDictionary*)[_selections objectAtIndex:index];
}
@end