/
TabView.cs
executable file
·238 lines (215 loc) · 7.03 KB
/
TabView.cs
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
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
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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
/*
* Copyright(c) 2021 Samsung Electronics Co., Ltd.
*
* 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.
*
*/
using System;
using System.ComponentModel;
using Tizen.NUI.BaseComponents;
namespace Tizen.NUI.Components
{
/// <summary>
/// TabView is a class which contains a TabBar and TabContent.
/// TabView adds TabButtons and Views to TabBar and TabContent in TabView by <see cref="TabView.AddTab"/>.
/// TabView removes TabButtons and Views from TabBar and TabContent in TabView by <see cref="TabView.RemoveTab"/>.
/// TabView selects a view from the TabContent according to the selected TabButton in the TabBar.
///
/// <example>
/// <code>
/// var tabView = new TabView()
/// {
/// WidthSpecification = LayoutParamPolicies.MatchParent,
/// HeightSpecification = LayoutParamPolicies.MatchParent,
/// };
///
/// var tabButton = new TabButton()
/// {
/// Text = "Tab#1"
/// };
///
/// var content = new View()
/// {
/// BackgroundColor = Color.Red,
/// WidthSpecification = LayoutParamPolicies.MatchParent,
/// HeightSpecification = LayoutParamPolicies.MatchParent,
/// };
///
/// tabView.AddTab(tabButton, content);
///
/// var tabButton2 = new TabButton()
/// {
/// Text = "Tab#2"
/// };
///
/// var content2 = new View()
/// {
/// BackgroundColor = Color.Green,
/// WidthSpecification = LayoutParamPolicies.MatchParent,
/// HeightSpecification = LayoutParamPolicies.MatchParent,
/// };
///
/// tabView.AddTab(tabButton2, content2);
///
/// var tabButton3 = new TabButton()
/// {
/// Text = "Tab#3"
/// };
///
/// var content3 = new View()
/// {
/// BackgroundColor = Color.Blue,
/// WidthSpecification = LayoutParamPolicies.MatchParent,
/// HeightSpecification = LayoutParamPolicies.MatchParent,
/// };
///
/// tabView.AddTab(tabButton3, content3);
/// </code>
/// </example>
/// </summary>
/// <since_tizen> 9 </since_tizen>
public class TabView : Control
{
private TabBar tabBar = null;
private TabContent content = null;
/// <summary>
/// Creates a new instance of TabView.
/// </summary>
/// <since_tizen> 9 </since_tizen>
public TabView()
{
Layout = new LinearLayout() { LinearOrientation = LinearLayout.Orientation.Vertical };
WidthSpecification = LayoutParamPolicies.MatchParent;
HeightSpecification = LayoutParamPolicies.MatchParent;
InitContent();
InitTabBar();
}
/// <inheritdoc/>
[EditorBrowsable(EditorBrowsableState.Never)]
public override void OnInitialize()
{
base.OnInitialize();
SetAccessibilityConstructor(Role.PageTabList);
}
private void InitTabBar()
{
if (tabBar != null)
{
return;
}
tabBar = new TabBar();
tabBar.TabButtonSelected += tabButtonSelectedHandler;
Add(tabBar);
}
private void InitContent()
{
if (content != null)
{
return;
}
content = new TabContent();
content.WidthSpecification = LayoutParamPolicies.MatchParent;
content.HeightSpecification = LayoutParamPolicies.MatchParent;
Add(content);
}
private void tabButtonSelectedHandler(object sender, TabButtonSelectedEventArgs args)
{
if ((content != null) && (content.ViewCount > args.Index))
{
content.Select(args.Index);
}
}
/// <summary>
/// Gets TabBar of TabView.
/// </summary>
/// <since_tizen> 9 </since_tizen>
public TabBar TabBar
{
get
{
return tabBar;
}
}
/// <summary>
/// Gets TabContent of TabView.
/// </summary>
/// <since_tizen> 9 </since_tizen>
public TabContent Content
{
get
{
return content;
}
}
/// <summary>
/// Adds a tab with tab button and content view.
/// </summary>
/// <param name="tabButton">A tab button to be added.</param>
/// <param name="view">A content view to be added.</param>
/// <since_tizen> 9 </since_tizen>
public void AddTab(TabButton tabButton, View view)
{
if (TabBar != null)
{
TabBar.AddTabButton(tabButton);
}
if (Content != null)
{
Content.AddView(view);
}
}
/// <summary>
/// Removes a tab at the specified index of TabView.
/// The indices of tabs(tab buttons and views) in TabView are basically the order of adding to TabView by <see cref="TabView.AddTab"/>.
/// So the index of a tab(tab button and view) in TabView can be changed whenever <see cref="TabView.AddTab"/> or <see cref="TabView.RemoveTab"/> is called.
/// </summary>
/// <param name="index">The index of a tab(tab button and view) in TabView where the tab will be removed.</param>
/// <exception cref="ArgumentOutOfRangeException">Thrown when the index is less than 0, or greater than or equal to the number of tabs.</exception>
/// <since_tizen> 9 </since_tizen>
public void RemoveTab(int index)
{
var tabButton = TabBar.GetTabButton(index);
if (tabButton != null)
{
TabBar.RemoveTabButton(tabButton);
}
var view = Content.GetView(index);
if (view != null)
{
Content.RemoveView(view);
}
}
/// <inheritdoc/>
[EditorBrowsable(EditorBrowsableState.Never)]
protected override void Dispose(DisposeTypes type)
{
if (disposed)
{
return;
}
if (type == DisposeTypes.Explicit)
{
if (tabBar != null)
{
tabBar.TabButtonSelected -= tabButtonSelectedHandler;
Utility.Dispose(tabBar);
}
if (content != null)
{
Utility.Dispose(content);
}
}
base.Dispose(type);
}
}
}