Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/client/iOS/Controllers/EditorSelectionController.m

@@ -0,0 +1,143 @@
+/*
+ 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