source: trunk/Cocoa/Pester/Source/PSAlerts.m @ 103

Last change on this file since 103 was 103, checked in by Nicholas Riley, 19 years ago

Localization, bug fixes

File size: 3.7 KB
Line 
1//
2//  PSAlerts.m
3//  Pester
4//
5//  Created by Nicholas Riley on Sat Dec 21 2002.
6//  Copyright (c) 2002 Nicholas Riley. All rights reserved.
7//
8
9#import "PSAlerts.h"
10#import "PSAlert.h"
11#import "PSDockBounceAlert.h"
12#import "PSNotifierAlert.h"
13#import "PSBeepAlert.h"
14
15// property list keys
16static NSString * const PLAlerts = @"alerts"; // NSString
17
18@implementation PSAlerts
19
20#pragma mark initialize-release
21
22- (id)init;
23{
24    if ( (self = [super init]) != nil) {
25        alerts = [[NSMutableArray alloc] initWithCapacity: 4];
26    }
27    return self;
28}
29
30- (id)initWithPesterVersion1Alerts;
31{
32    if ( (self = [self init]) != nil) {
33        [self addAlert: [PSDockBounceAlert alert]];
34        [self addAlert: [PSNotifierAlert alert]];
35        [self addAlert: [PSBeepAlert alertWithRepetitions: 1]];
36    }
37    return self;
38}
39
40- (void)dealloc;
41{
42    [alerts release]; alerts = nil;
43}
44
45#pragma mark accessing
46
47- (void)addAlert:(PSAlert *)alert;
48{
49    [alerts addObject: alert];
50    if ([alert requiresPesterFrontmost])
51        requirePesterFrontmost = YES;
52}
53
54- (void)removeAlerts;
55{
56    [alerts removeAllObjects];
57    requirePesterFrontmost = NO;
58}
59
60- (NSEnumerator *)alertEnumerator;
61{
62    return [alerts objectEnumerator];
63}
64
65- (NSArray *)allAlerts;
66{
67    return [[alerts copy] autorelease];
68}
69
70- (BOOL)requirePesterFrontmost;
71{
72    return requirePesterFrontmost;
73}
74
75#pragma mark actions
76
77- (void)prepareForAlarm:(PSAlarm *)alarm;
78{
79    [alerts makeObjectsPerformSelector: @selector(prepareForAlarm:) withObject: alarm];
80}
81
82- (void)triggerForAlarm:(PSAlarm *)alarm;
83{
84    [alerts makeObjectsPerformSelector: @selector(triggerForAlarm:) withObject: alarm];
85}
86
87#pragma mark printing
88
89- (NSAttributedString *)prettyList;
90{
91    NSMutableAttributedString *string = [[NSMutableAttributedString alloc] init];
92    NSEnumerator *e = [self alertEnumerator];
93    PSAlert *alert;
94    unsigned int length;
95    while ( (alert = [e nextObject]) != nil) {
96        [string appendAttributedString: [NSLocalizedString(@"* ", "Unordered list label (usually a bullet followed by a space)") small]];
97        [string appendAttributedString: [alert actionDescription]];
98        [string appendAttributedString: [@"\n" small]];
99    }
100    if ( (length = [string length]) == 0) {
101        [string release];
102        return nil;
103    } else {
104        NSMutableParagraphStyle *paraStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
105        [string deleteCharactersInRange: NSMakeRange(length - 1, 1)]; // remove trailing newline
106        [paraStyle setHeadIndent: [[string attribute: NSFontAttributeName atIndex: 0 effectiveRange: NULL] widthOfString: NSLocalizedString(@"* ", "Unordered list label (usually a bullet followed by a space)")]];
107        [string addAttribute: NSParagraphStyleAttributeName value: paraStyle range: NSMakeRange(0, length - 1)];
108        [paraStyle release]; paraStyle = nil;
109        return [string autorelease];
110    }
111}
112
113#pragma mark property list serialization (Pester 1.1)
114
115- (NSDictionary *)propertyListRepresentation;
116{
117    NSMutableArray *plAlerts = [[NSMutableArray alloc] initWithCapacity: [alerts count]];
118    NSEnumerator *e = [self alertEnumerator];
119    PSAlert *alert;
120    while ( (alert = [e nextObject]) != nil) {
121        [plAlerts addObject: [alert propertyListRepresentation]];
122    }
123    return [NSDictionary dictionaryWithObject: plAlerts forKey: PLAlerts];
124}
125
126- (id)initWithPropertyList:(NSDictionary *)dict;
127{
128    if ( (self = [self init]) != nil) {
129        NSArray *plAlerts = [dict objectForKey: PLAlerts];
130        NSEnumerator *e = [plAlerts objectEnumerator];
131        NSDictionary *alertDict;
132        while ( (alertDict = [e nextObject]) != nil) {
133            [self addAlert: [[PSAlert alloc] initWithPropertyList: alertDict]];
134        }
135    }
136    return self;
137}
138
139@end
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