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//
// Eventable.m
// Copyright (c) 2013 Brielle Harrison
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#import "Eventable.h"
@implementation NEEventInfo
@synthesize eventName, eventData, dataset, context;
- (id) initWithListener:(NEEventListener *)listener {
self = [super init];
if (self) {
self.eventName = [listener.eventName copy];
self.eventData = [listener.eventData copy];
self.dataset = nil;
self.context = nil;
}
return self;
}
- (id) initWithListener:(NEEventListener *)listener andData:(NSMutableDictionary *)data {
self = [super init];
if (self) {
self.eventName = [listener.eventName copy];
self.eventData = [listener.eventData copy];
self.dataset = data;
self.context = nil;
}
return self;
}
- (id) initWithListener:(NEEventListener *)listener andContext:(id)eventContext {
self = [super init];
if (self) {
self.eventName = [listener.eventName copy];
self.eventData = [listener.eventData copy];
self.dataset = nil;
self.context = context;
}
return self;
}
- (id) initWithListener:(NEEventListener *)listener andContext:(id)eventContext andData:(NSMutableDictionary *)data {
self = [super init];
if (self) {
self.eventName = [listener.eventName copy];
self.eventData = [listener.eventData copy];
self.dataset = data;
self.context = eventContext;
}
return self;
}
@end
@implementation NEEventListener
@synthesize eventName, eventData, action;
- (id) init:(NSString *)name withAction:(NEEventAction) eventAction {
self = [super init];
if (self) {
eventName = name;
eventData = nil;
action = eventAction;
}
return self;
}
- (id) init:(NSString *)name withAction:(NEEventAction) eventAction andData:(NSDictionary *)data {
self = [super init];
if (self) {
eventName = name;
eventData = data;
action = eventAction;
}
return self;
}
@end
@implementation NEEventable
- (id)init {
self = [super init];
if (self) {
listeners = [@{} mutableCopy];
}
return self;
}
- (void) addEvent:(NSString *)eventName {
if ([listeners objectForKey:eventName] == nil) {
[listeners setObject:[@[] mutableCopy] forKey:eventName];
}
}
- (void) addListener:(NEEventListener *)listener {
[self addEvent:listener.eventName];
NSMutableArray *list = [listeners objectForKey:listener.eventName];
[list addObject:listener];
}
- (void) addListener:(NSString *)eventName withAction:(NEEventAction)action {
NEEventListener *listener = [[NEEventListener alloc] init:eventName withAction:action];
[self addListener:listener];
}
- (void) addListener:(NSString *)eventName withEventData:(NSDictionary *)eventData withAction:(NEEventAction)action {
NEEventListener *listener = [[NEEventListener alloc] init:eventName withAction:action andData:eventData];
[self addListener:listener];
};
- (NSSet*) eventNames {
return [listeners keysOfEntriesPassingTest:^BOOL(id key, id obj, BOOL *stop) {
return YES;
}];
};
- (void) fireEvent:(NSString *)eventName {
NSMutableArray *list = [listeners objectForKey:eventName];
for (NEEventListener *listener in list) {
@try {
NEEventInfo *info = [[NEEventInfo alloc] initWithListener:listener];
listener.action(info);
}
@catch (NSException *exception) {
NSLog(@"%@", exception.reason);
}
}
}
- (void) fireEvent:(NSString *)eventName withContext:(id)context {
NSMutableArray *list = [listeners objectForKey:eventName];
for (NEEventListener *listener in list) {
@try {
NEEventInfo *info = [[NEEventInfo alloc] initWithListener:listener];
info.context = context;
listener.action(info);
}
@catch (NSException *exception) {
NSLog(@"%@", exception.reason);
}
}
}
- (void) fireEvent:(NSString *)eventName withData:(NSMutableDictionary *)data {
NSMutableArray *list = [listeners objectForKey:eventName];
for (NEEventListener *listener in list) {
@try {
NEEventInfo *info = [[NEEventInfo alloc] initWithListener:listener];
info.dataset = data;
listener.action(info);
}
@catch (NSException *exception) {
NSLog(@"%@", exception.reason);
}
}
}
- (void) fireEvent:(NSString *)eventName withContext:(id)context withData:(NSMutableDictionary *)data {
NSMutableArray *list = [listeners objectForKey:eventName];
for (NEEventListener *listener in list) {
@try {
NEEventInfo *info = [[NEEventInfo alloc] initWithListener:listener];
info.context = context;
info.dataset = data;
listener.action(info);
}
@catch (NSException *exception) {
NSLog(@"%@", exception.reason);
}
}
}
- (void) removeListeners {
[listeners removeAllObjects];
}
- (void) removeListeners:(NSString *)eventName {
[listeners removeObjectForKey:eventName];
}
- (void) removeListener:(NSString *)eventName withAction:(NEEventAction)action {
NSMutableArray *list = [listeners objectForKey:eventName];
[list removeObject:action];
}
@end