source: releases/Pester/1.1a5/Source/NJRHistoryTrackingComboBox.m@ 198

Last change on this file since 198 was 53, checked in by Nicholas Riley, 22 years ago

Updated for Pester 1.1a5 (very limited release).

Pester 1.1a4 was never released.

File size: 2.2 KB
Line 
1//
2// NJRHistoryTrackingComboBox.m
3// DockCam
4//
5// Created by Nicholas Riley on Fri Jun 28 2002.
6// Copyright (c) 2002 Nicholas Riley. All rights reserved.
7//
8
9#import "NJRHistoryTrackingComboBox.h"
10
11#define NJRHistoryTrackingComboBoxMaxItems 10
12
13@implementation NJRHistoryTrackingComboBox
14
15- (NSString *)_defaultKey;
16{
17 NSAssert([self tag] != 0, @"CanÕt track history for combo box with tag 0: please set a tag");
18 return [NSString stringWithFormat: @"NJRHistoryTrackingComboBox tag %d", [self tag]];
19}
20
21- (void)awakeFromNib;
22{
23 [[NSNotificationCenter defaultCenter] addObserver: self
24 selector: @selector(textDidEndEditing:)
25 name: NSTextDidEndEditingNotification
26 object: self];
27 [self removeAllItems];
28 [self addItemsWithObjectValues: [[NSUserDefaults standardUserDefaults] stringArrayForKey: [self _defaultKey]]];
29 [self setItemHeight: [self itemHeight] + 2];
30}
31
32- (void)_writeHistory;
33{
34 NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
35 [defaults setObject: [self objectValues] forKey: [self _defaultKey]];
36 [defaults synchronize];
37}
38
39- (IBAction)removeEntry:(id)sender;
40{
41 int idx = [self indexOfSelectedItem];
42 if (idx == -1) {
43 [self selectItemWithObjectValue: [self stringValue]];
44 idx = [self indexOfSelectedItem];
45 }
46 if (idx != -1) [self removeItemAtIndex: idx];
47 [self setStringValue: @""];
48 [self _writeHistory];
49}
50
51- (IBAction)clearAllEntries:(id)sender;
52{
53 [self removeAllItems];
54 [self setStringValue: @""];
55 [self _writeHistory];
56}
57
58- (BOOL)textShouldEndEditing:(NSText *)textObject;
59{
60 NSString *newValue = [self stringValue];
61 int oldIndex = [self indexOfItemWithObjectValue: newValue];
62 if ([newValue length] == 0) return YES; // donÕt save empty entries
63 [self removeItemWithObjectValue: newValue];
64 [self insertItemWithObjectValue: newValue atIndex: 0];
65 if (oldIndex == NSNotFound) {
66 int numItems = [self numberOfItems];
67 while (numItems-- > NJRHistoryTrackingComboBoxMaxItems) {
68 [self removeItemAtIndex: numItems - 1];
69 }
70 }
71 [self _writeHistory];
72 return YES;
73}
74
75@end
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