/
BKFormMapper.m
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/
BKFormMapper.m
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//
// Created by Bruno Wernimont on 2012
// Copyright 2012 BaseKit
//
// 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 "BKFormMapper.h"
#import "BKFormMapping.h"
#import "BKFormAttributeMapping.h"
#import "UITableViewCell+BaseKit.h"
#import "NSDictionary+BaseKit.h"
#import "BaseKitFormField.h"
#import "NSObject+BKFormAttributeMapping.h"
#import "BKFormModel.h"
#import "BKMacrosDefinitions.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
@interface BKFormMapper ()
@property (nonatomic, retain) NSArray *titles;
@property (nonatomic, retain) NSArray *sections;
- (void)mapAttributeMapping:(BKFormAttributeMapping *)attributeMapping
value:(id)value
withField:(UITableViewCell *)field;
- (BKSimpleField *)cellWithAttributeMapping:(BKFormAttributeMapping *)attributeMapping sourceClass:(Class)sourceClass;
- (Class)classFromSourcePropertyAtIndexPath:(NSIndexPath *)indexPath keyPath:(NSString *)keyPath;
- (id)valueOfObjectForKeyPath:(NSString *)keyPath;
- (void)splitFieldsIntoSections;
- (NSString *)formattedStringDate:(NSDate *)date usingFormat:(NSString *)dateFormat;
- (id)convertValueIfneeded:(id)value attributeMapping:(BKFormAttributeMapping *)attributeMapping;
@end
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
@implementation BKFormMapper
@synthesize formMapping = _formMapping;
@synthesize tableView = _tableView;
@synthesize object = _object;
@synthesize titles = _titles;
@synthesize sections = _sections;
////////////////////////////////////////////////////////////////////////////////////////////////////
- (id)initWithFormMapping:(BKFormMapping *)formMapping
tabelView:(UITableView *)tableView
object:(id)object
formModel:(BKFormModel *)formModel {
self = [super init];
if (self) {
_formModel = formModel; // weak ivar
_formMapping = formMapping;
_tableView = tableView;
_object = object;
[self splitFieldsIntoSections];
}
return self;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (NSInteger)numberOfSections {
return self.formMapping.sectionTitles.count;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (NSInteger)numberOfRowsInSection:(NSInteger)section {
return [(NSArray *)[self.sections objectAtIndex:section] count];
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (NSString *)titleForHeaderInSection:(NSInteger)section {
return [self.titles objectAtIndex:section];
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (UITableViewCell *)cellForRowAtIndexPath:(NSIndexPath *)indexPath {
BKFormAttributeMapping *attributeMapping = [self attributeMappingAtIndexPath:indexPath];
Class sourceClass = [self classFromSourcePropertyAtIndexPath:indexPath keyPath:attributeMapping.attribute];
UITableViewCell *field = [self cellWithAttributeMapping:attributeMapping sourceClass:sourceClass];
if (BKFormAttributeMappingTypeCustomCell == attributeMapping.type) {
if (nil != attributeMapping.willDisplayCellBlock) {
attributeMapping.willDisplayCellBlock(field, indexPath, self.object);
}
} else {
id value = [self valueForAttriteMapping:attributeMapping];
[self mapAttributeMapping:attributeMapping value:value withField:field];
field.textLabel.text = attributeMapping.title;
}
return field;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (BKFormAttributeMapping *)attributeMappingAtIndexPath:(NSIndexPath *)indexPath {
return [[self.sections objectAtIndex:indexPath.section] objectAtIndex:indexPath.row];
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (id)valueForAttriteMapping:(BKFormAttributeMapping *)attributeMapping {
return [self valueOfObjectForKeyPath:attributeMapping.attribute];
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (void)setValue:(id)value forAttributeMapping:(BKFormAttributeMapping *)attributeMapping {
[self.object setValue:value forKeyPath:attributeMapping.attribute];
}
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark Actions
////////////////////////////////////////////////////////////////////////////////////////////////////
- (void)didPressSave:(id)sender {
self.formMapping.saveAttribute.saveBtnHandler();
}
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark Getters and setters
////////////////////////////////////////////////////////////////////////////////////////////////////
- (BKFormModel *)formModel {
return _formModel;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark Private
////////////////////////////////////////////////////////////////////////////////////////////////////
- (NSString *)formattedStringDate:(NSDate *)date usingFormat:(NSString *)dateFormat {
NSCalendar *cal = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:dateFormat];
[formatter setCalendar:cal];
[formatter setLocale:[NSLocale currentLocale]];
NSString *stringDate = [formatter stringFromDate:date];
return stringDate;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (void)mapAttributeMapping:(BKFormAttributeMapping *)attributeMapping
value:(id)value
withField:(UITableViewCell *)field {
id convertedValue = [self convertValueIfneeded:value attributeMapping:attributeMapping];
// Value attribution
if ([field isKindOfClass:[BKTextField class]]) {
[(BKTextField *)field textField].text = convertedValue;
[(BKTextField *)field textField].placeholder = attributeMapping.placeholderText;
} else if ([field isKindOfClass:[BKSwitchField class]] && [convertedValue isKindOfClass:[NSNumber class]]) {
UISwitch *switchControl = [(BKSwitchField *)field switchControl];
switchControl.on = [(NSNumber *)convertedValue boolValue];
switchControl.formAttributeMapping = attributeMapping;
[switchControl addTarget:self
action:@selector(switchFieldValueDidChange:)
forControlEvents:UIControlEventValueChanged];
} else if ([field isKindOfClass:[BKSaveButtonField class]]) {
[(BKSaveButtonField *)field setTitle:attributeMapping.title];
} else if ([field isKindOfClass:[BKButtonField class]]) {
field.textLabel.text = attributeMapping.title;
field.accessoryType = attributeMapping.accesoryType;
} else /*if ([field isKindOfClass:[BKLabelField class]])*/ {
if (![convertedValue isKindOfClass:[NSString class]]) {
convertedValue = [convertedValue description];
}
field.detailTextLabel.text = convertedValue;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (BKSimpleField *)cellWithAttributeMapping:(BKFormAttributeMapping *)attributeMapping
sourceClass:(Class)sourceClass {
BKSimpleField *field = nil;
BKFormAttributeMappingType type = attributeMapping.type;
if (type == BKFormAttributeMappingTypeText) {
field = [BKTextField cellForTableView:self.tableView];
[[(BKTextField *)field textField] setDelegate:self];
[[(BKTextField *)field textField] setFormAttributeMapping:attributeMapping];
} else if (type == BKFormAttributeMappingTypeFloat) {
field = [BKFloatField cellForTableView:self.tableView];
} else if (type == BKFormAttributeMappingTypeInteger) {
field = [BKIntegerField cellForTableView:self.tableView];
} else if (type == BKFormAttributeMappingTypeLabel) {
field = [BKLabelField cellForTableView:self.tableView];
} else if (type == BKFormAttributeMappingTypePassword) {
field = [BKPasswordTextField cellForTableView:self.tableView];
} else if (type == BKFormAttributeMappingTypeBoolean) {
field = [BKSwitchField cellForTableView:self.tableView];
} else if (type == BKFormAttributeMappingTypeSaveButton) {
field = [BKSaveButtonField cellForTableView:self.tableView];
} else if (type == BKFormAttributeMappingTypeButton) {
field = [BKButtonField cellForTableView:self.tableView];
} else if (type == BKFormAttributeMappingTypeSelect ||
type == BKFormAttributeMappingTypeTimePicker ||
type == BKFormAttributeMappingTypeDatePicker ||
type == BKFormAttributeMappingTypeDateTimePicker) {
field = [BKLabelField cellForTableView:self.tableView];
} else if (type == BKFormAttributeMappingTypeBigText) {
field = [BKBigTextField cellForTableView:self.tableView];
} else if (type == BKFormAttributeMappingTypeCustomCell) {
field = [attributeMapping.customCell cellForTableView:self.tableView];
} else {
field = [BKLabelField cellForTableView:self.tableView];
}
return field;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (id)convertValueIfneeded:(id)value attributeMapping:(BKFormAttributeMapping *)attributeMapping {
id convertedValue = value;
if (attributeMapping.type == BKFormAttributeMappingTypeInteger) {
NSInteger integerValue = [(NSNumber *)value integerValue];
convertedValue = [NSString stringWithFormat:@"%d", integerValue];
} else if (attributeMapping.type == BKFormAttributeMappingTypeFloat) {
float floatValue = [(NSNumber *)value floatValue];
convertedValue = [NSString stringWithFormat:@"%d", floatValue];
} else if (attributeMapping.type == BKFormAttributeMappingTypeDateTimePicker ||
attributeMapping.type == BKFormAttributeMappingTypeDatePicker ||
attributeMapping.type == BKFormAttributeMappingTypeTimePicker) {
if (nil != attributeMapping.dateFormat) {
convertedValue = [self formattedStringDate:value usingFormat:attributeMapping.dateFormat];
} else if (nil != attributeMapping.dateFormatBlock) {
NSString *dataFormat = attributeMapping.dateFormatBlock();
convertedValue = [self formattedStringDate:value usingFormat:dataFormat];
} else {
convertedValue = [value description];
}
} else if (attributeMapping.type == BKFormAttributeMappingTypeSelect) {
convertedValue = attributeMapping.labelValueBlock(value, self.object);
}
return convertedValue;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (Class)classFromSourcePropertyAtIndexPath:(NSIndexPath *)indexPath keyPath:(NSString *)keyPath {
return [NSObject class]; // Unused at the moment
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (id)valueOfObjectForKeyPath:(NSString *)keyPath {
id value = nil;
@try {
value = [self.object valueForKeyPath:keyPath];
}
@catch (NSException *exception) {
NSLog(@"Error BaseKitFormMapping keyPath %@ doesn't exist for object name %@",
keyPath, NSStringFromClass([self.object class]));
value = nil;
}
return value;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (NSIndexPath *)indexPathOfAttributeMapping:(BKFormAttributeMapping *)attributeMapping {
__block NSUInteger sectionIndex = 0;
__block NSUInteger rowIndex = 0;
__block BOOL found = NO;
[self.sections enumerateObjectsUsingBlock:^(NSArray *sectionAttributeMappings, NSUInteger currentSectionIndex, BOOL *stop) {
[sectionAttributeMappings enumerateObjectsUsingBlock:^(id obj, NSUInteger currentAttributeMappingIndex, BOOL *stop) {
if (obj == attributeMapping) {
sectionIndex = currentSectionIndex;
rowIndex = currentAttributeMappingIndex;
*stop = YES;
}
}];
if (found) {
*stop = YES;
}
}];
return [NSIndexPath indexPathForRow:rowIndex inSection:sectionIndex];
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (void)splitFieldsIntoSections {
NSMutableArray *titles = [[NSMutableArray alloc] init];
NSMutableArray *sections = [[NSMutableArray alloc] init];
[self.formMapping.fieldsOrder enumerateObjectsUsingBlock:^(NSString *identifier, NSUInteger idx, BOOL *stop) {
if ([self.formMapping.sectionTitles containsObjectForKey:identifier]) {
[titles addObject:[self.formMapping.sectionTitles objectForKey:identifier]];
[sections addObject:[NSMutableArray array]];
} else if ([self.formMapping.attributeMappings containsObjectForKey:identifier]) {
NSMutableArray *currentSection = [sections lastObject];
[currentSection addObject:[self.formMapping.attributeMappings objectForKey:identifier]];
}
}];
self.titles = [NSArray arrayWithArray:titles];
self.sections = [NSArray arrayWithArray:sections];
}
////////////////////////////////////////////////////////////////////////////////////////////////////
- (CGFloat)heightForRowAtIndexPath:(NSIndexPath *)indexPath {
BKFormAttributeMapping *attributeMapping = [self attributeMappingAtIndexPath:indexPath];
return attributeMapping.type == BKFormAttributeMappingTypeCustomCell ? attributeMapping.rowHeight : 44;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark UIEvent
////////////////////////////////////////////////////////////////////////////////////////////////////
- (void)switchFieldValueDidChange:(UISwitch *)sender {
[self setValue:[NSNumber numberWithBool:sender.isOn] forAttributeMapping:sender.formAttributeMapping];
[self.formModel reloadRowWithAttributeMapping:sender.formAttributeMapping];
}
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark UITextFieldDelegate
////////////////////////////////////////////////////////////////////////////////////////////////////
- (void)textFieldDidEndEditing:(UITextField *)textField {
[self setValue:textField.text forAttributeMapping:textField.formAttributeMapping];
[self.formModel reloadRowWithAttributeMapping:textField.formAttributeMapping];
}
////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark UITextViewDelegate
////////////////////////////////////////////////////////////////////////////////////////////////////
- (void)textViewDidEndEditing:(UITextView *)textView {
[self setValue:textView.text forAttributeMapping:textView.formAttributeMapping];
[self.formModel reloadRowWithAttributeMapping:textView.formAttributeMapping];
}
@end