(2)在编辑状态下,第一个分组处于删除状态,第二个分组处于插入状态
(4)点击添加图标,插入一条新数据
2,效果图
3,代码如下
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
@H_404_135@
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
@H_403_175@
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
@H_256_301@
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
@H_403_373@
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
@H_248_403@
186
187
188
189
190
191
@H_301_415@
192
|
import
UIKit
class
ViewController
:
UIViewController
,
UITableViewDelegate
var
tableView:
UITableView
?
allnames:
Dictionary
<
Int
String
]>?
adHeaders:[
]?
override
func
loadView() {
super
.loadView()
}
viewDidLoad() {
.viewDidLoad()
self
.allnames = [
0:[
]([
1:[
String
]([
"UIDatePiker 日期选择器"
"UITableView 表格视图"
])
];
print
(
.allnames)
.adHeaders = [
"常见 UIKit 控件"
"高级 UIKit 控件"
]
//创建表视图
.tableView =
(frame:
.view.frame,style:
UITableViewStyle
.
Grouped
)
.tableView!.delegate =
self
.tableView!.dataSource =
self
//创建一个重用的单元格
.tableView!.registerClass(
UITableViewCell
.
"SwiftCell"
)
.view.addSubview(
.tableView!)
//创建表头标签
let
headerLabel =
UILabel
(frame:
CGRectMake
(0,
.view.bounds.size.width,30))
headerLabel.backgroundColor =
UIColor
.blackColor()
headerLabel.textColor =
UIColor
.whiteColor()
headerLabel.numberOfLines = 0
headerLabel.lineBreakMode =
NSLineBreakMode
ByWordWrapping
headerLabel.text =
"UIKit 控件"
headerLabel.font =
UIFont
.italicSystemFontOfSize(20)
.tableView!.tableHeaderView = headerLabel
//绑定对长按的响应
longPress =
UILongPressGestureRecognizer
(target:
action:
Selector
(
"tableviewCellLongPressed:"
))
//代理
longPress.delegate =
self
longPress.minimumPressDuration = 1.0
//将长按手势添加到需要实现长按操作的视图里
.tableView!.addGestureRecognizer(longPress)
}
tableviewCellLongPressed(gestureRecognizer:
)
{
if
(gestureRecognizer.state ==
UIGestureRecognizerState
Began
)
{
"UIGestureRecognizerStateBegan"
);
}
Changed
)
{
"UIGestureRecognizerStateChanged"
);
}
(gestureRecognizer.state ==
UIGestureRecognizerState
Ended
)
{
"UIGestureRecognizerStateEnded"
);
//在正常状态和编辑状态之间切换
.tableView!.editing ==
false
)
{
.tableView!.setEditing(
true
)
}
else
{
)
}
}
}
//在本例中,有2个分区
numberOfSectionsInTableView(tableView:
UITableView
) ->
{
return
2
}
//返回表格行数(也就是返回控件数)
tableView(tableView:
{
data =
.allnames?[section]
data!.count
}
tableView(tableView:
section:
)->
?
{
headers =
.adHeaders!;
headers[section];
}
?
{
.allnames?[section]
return
"有\(data!.count)个控件"
}
NSIndexPath
)
->
UITableViewCell
{
identify:
=
"SwiftCell"
//同一形式的单元格重复使用,在声明时已注册
cell = tableView.dequeueReusableCellWithIdentifier(identify,forIndexPath: indexPath)
as
UITableViewCell
cell.accessoryType =
UITableViewCellAccessoryType
DisclosureIndicator
secno = indexPath.section
.allnames?[secno]
cell.textLabel?.text = data![indexPath.row]
cell
}
// UITableViewDelegate 方法,处理列表项的选中事件
)
{
.tableView!.deselectRowAtIndexPath(indexPath,monospace!important; min-height:inherit!important; background:none!important">)
itemString =
.allnames![indexPath.section]![indexPath.row]
alertview =
UIAlertView
();
alertview.title =
"提示!"
alertview.message =
"你选中了【\(itemString)】"
;
alertview.addButtonWithTitle(
"确定"
)
alertview.show();
}
NSIndexPath
)
->
UITableViewCellEditingStyle
{
(indexPath.section == 1)
{
return
UITableViewCellEditingStyle
Insert
}
return
UITableViewCellEditingStyle
Delete
}
titleForDeleteConfirmationButtonForRowAtIndexPath indexPath:
) ->
?
{
.allnames?[indexPath.section]!
itemString = data![indexPath.row]
as
String
"确定删除\(itemString)?"
}
forRowAtIndexPath indexPath:
)
{
(editingStyle ==
Delete
)
{
.allnames?[indexPath.section]?.removeAtIndex(indexPath.row)
.tableView!.reloadData()
)
"你确认了删除按钮"
)
// Array
}
else
(editingStyle ==
Insert
)
{
.allnames?[indexPath.section]?.insert(
"插入一项新的"
"你按下了插入按钮"
)
.tableView!.reloadData()
}
}
didReceiveMemoryWarning() {
.didReceiveMemoryWarning()
}
}
|