QBooleanElement.m

//                                
// Copyright 2011 ESCOZ Inc  - http://escoz.com
// 
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this 
// file except in compliance with the License. You may obtain a copy of the License at 
// 
// http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software distributed under
// the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 
// ANY KIND, either express or implied. See the License for the specific language governing
// permissions and limitations under the License.
//

#import <objc/message.h>

#import "QBooleanElement.h"
#import "QuickDialogController.h"

@implementation QBooleanElement {
}
@synthesize onImage = _onImage;
@synthesize offImage = _offImage;
@synthesize boolValue = _boolValue;


- (QBooleanElement *)init {
    self = [self initWithTitle:nil BoolValue:YES];
    return self;
}

- (QBooleanElement *)initWithTitle:(NSString *)title BoolValue:(BOOL)value {
    self = [self initWithTitle:title Value:nil];
    self.boolValue = value;
    self.enabled = YES;
    return self;
}

-(void)setNumberValue:(NSNumber *)number {
    self.boolValue = number.boolValue;
}

-(NSNumber *)numberValue {
    return [NSNumber numberWithBool:self.boolValue];
}

- (void)setOnImageName:(NSString *)name {
    if(name != nil) {
        self.onImage = [UIImage imageNamed:name];
    }
}

- (void)setOffImageName:(NSString *)name {
    if(name != nil) {
        self.offImage = [UIImage imageNamed:name];
    }
}

- (UITableViewCell *)getCellForTableView:(QuickDialogTableView *)tableView controller:(QuickDialogController *)controller {
    UITableViewCell *cell = [super getCellForTableView:tableView controller:controller];
    cell.accessoryType = self.sections!= nil ? UITableViewCellAccessoryDisclosureIndicator : UITableViewCellAccessoryNone;
    cell.selectionStyle = self.sections!= nil ? UITableViewCellSelectionStyleBlue: UITableViewCellSelectionStyleNone;

    if ((_onImage==nil) && (_offImage==nil))  {
        UISwitch *boolSwitch = [[UISwitch alloc] init];
        boolSwitch.on = self.boolValue;
        boolSwitch.enabled = self.enabled;
        [boolSwitch addTarget:self action:@selector(switched:) forControlEvents:UIControlEventValueChanged];
        cell.accessoryView = boolSwitch;

    } else {
        UIButton *boolButton = [[UIButton alloc] init];
        [boolButton setImage:self.offImage forState: UIControlStateNormal];
        [boolButton setImage:self.onImage forState: UIControlStateSelected];
        [boolButton setImage:self.onImage forState: UIControlStateSelected | UIControlStateDisabled];
        cell.accessoryView = boolButton;
        boolButton.enabled = self.enabled;
        boolButton.selected = self.boolValue;
        [boolButton sizeToFit];
        [boolButton addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
    }
    return cell;
}

- (void)selected:(QuickDialogTableView *)tableView controller:(QuickDialogController *)controller indexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
    self.boolValue = !self.boolValue;
    if ([cell.accessoryView class] == [UIButton class]) {
        ((UIButton *)cell.accessoryView).selected = self.boolValue;
    }
    else if ([cell.accessoryView class] == [UISwitch class]) {
        [((UISwitch *)cell.accessoryView) setOn:self.boolValue animated:YES];
    }

    if (self.controllerAction==nil)
        [tableView deselectRowAtIndexPath:indexPath animated:YES];
    [self performAction];
}

- (void)buttonPressed:(UIButton *)boolButton {
    self.boolValue = !boolButton.selected;
    boolButton.selected = _boolValue;
    [self performAccessoryAction];
}

-(void)setBoolValue:(BOOL)boolValue {
    _boolValue = boolValue;
    
    [self handleEditingChanged];
}

- (void)switched:(id)boolSwitch {
    self.boolValue = ((UISwitch *)boolSwitch).on;
    if ((self.controller != nil && self.controllerAction != nil) || _onSelected != nil) {
        [self performAction];
    }
}

- (void)fetchValueIntoObject:(id)obj {
	if (_key==nil)
		return;
    [obj setValue:[NSNumber numberWithBool:self.boolValue] forKey:_key];
}


- (void)setNilValueForKey:(NSString *)key;
{
    if ([key isEqualToString:@"boolValue"]){
        self.boolValue = NO;
    }
    else {
        [super setNilValueForKey:key];
    }
}



@end