2 * Copyright(c) 2019 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 using System.ComponentModel;
19 using Tizen.NUI.BaseComponents;
20 using Tizen.NUI.Components.Extension;
22 namespace Tizen.NUI.Components
25 /// Switch is one kind of common component, it can be used as selector.
26 /// User can handle Navigation by adding/inserting/deleting NavigationItem.
28 /// <since_tizen> 6 </since_tizen>
29 public class Switch : Button
31 private ImageView track = null;
32 private ImageView thumb = null;
37 /// Creates a new instance of a Switch.
39 /// <since_tizen> 6 </since_tizen>
40 public Switch() : base()
46 /// Creates a new instance of a Switch with style.
48 /// <param name="style">Create Switch by special style defined in UX.</param>
49 /// <since_tizen> 8 </since_tizen>
50 public Switch(string style) : base(style)
56 /// Creates a new instance of a Switch with style.
58 /// <param name="switchStyle">Create Switch by style customized by user.</param>
59 /// <since_tizen> 8 </since_tizen>
60 public Switch(SwitchStyle switchStyle) : base(switchStyle)
66 /// An event for the item selected signal which can be used to subscribe or unsubscribe the event handler provided by the user.<br />
68 /// <since_tizen> 6 </since_tizen>
69 public event EventHandler<SelectEventArgs> SelectedEvent;
72 /// Return a copied Style instance of Switch
75 /// It returns copied Style instance and changing it does not effect to the Switch.
76 /// Style setting is possible by using constructor or the function of ApplyStyle(ViewStyle viewStyle)
78 /// <since_tizen> 8 </since_tizen>
79 public new SwitchStyle Style
83 var result = new SwitchStyle(ViewStyle as SwitchStyle);
84 result.CopyPropertiesFromView(this);
85 result.Track.CopyPropertiesFromView(Track);
86 result.Thumb.CopyPropertiesFromView(Thumb);
92 /// Apply style to switch.
94 /// <param name="viewStyle">The style to apply.</param>
95 [EditorBrowsable(EditorBrowsableState.Never)]
96 public override void ApplyStyle(ViewStyle viewStyle)
98 base.ApplyStyle(viewStyle);
100 SwitchStyle swStyle = viewStyle as SwitchStyle;
104 if (swStyle.Track != null)
106 Track.ApplyStyle(swStyle.Track);
109 if (swStyle.Thumb != null)
111 Thumb.ApplyStyle(swStyle.Thumb);
117 /// Switch's track part.
119 /// <since_tizen> 8 </since_tizen>
120 public ImageView Track
126 track = new ImageView()
128 PositionUsesPivotPoint = true,
129 ParentOrigin = Tizen.NUI.ParentOrigin.CenterLeft,
130 PivotPoint = Tizen.NUI.PivotPoint.CenterLeft,
131 WidthResizePolicy = ResizePolicyType.FillToParent,
132 HeightResizePolicy = ResizePolicyType.FillToParent
135 var extension = (SwitchExtension)Extension;
136 if (extension != null)
138 track = extension.OnCreateTrack(this, track);
151 /// Switch's thumb part.
153 /// <since_tizen> 8 </since_tizen>
154 public ImageView Thumb
160 thumb = new ImageView()
162 PositionUsesPivotPoint = true,
163 ParentOrigin = Tizen.NUI.ParentOrigin.CenterLeft,
164 PivotPoint = Tizen.NUI.PivotPoint.CenterLeft,
165 WidthResizePolicy = ResizePolicyType.Fixed,
166 HeightResizePolicy = ResizePolicyType.Fixed
169 var extension = (SwitchExtension)Extension;
170 if (extension != null)
172 thumb = extension.OnCreateThumb(this, thumb);
185 /// Background image's resource url selector in Switch.
187 /// <since_tizen> 6 </since_tizen>
188 public StringSelector SwitchBackgroundImageURLSelector
190 get => track == null ? null : new StringSelector((Selector<string>)thumb.GetValue(ImageView.ResourceUrlSelectorProperty));
191 set => track?.SetValue(ImageView.ResourceUrlSelectorProperty, value);
195 /// Handler image's resource url in Switch.
197 /// <since_tizen> 6 </since_tizen>
198 public string SwitchHandlerImageURL
202 return Thumb.ResourceUrl;
206 Thumb.ResourceUrl = value;
211 /// Handler image's resource url selector in Switch.
212 /// Getter returns copied selector value if exist, null otherwise.
214 /// <since_tizen> 6 </since_tizen>
215 public StringSelector SwitchHandlerImageURLSelector
217 get => thumb == null ? null : new StringSelector((Selector<string>)thumb.GetValue(ImageView.ResourceUrlSelectorProperty));
218 set => thumb?.SetValue(ImageView.ResourceUrlSelectorProperty, value);
222 /// Handler image's size in Switch.
224 /// <since_tizen> 6 </since_tizen>
225 public Size SwitchHandlerImageSize
238 /// Dispose Switch and all children on it.
240 /// <param name="type">Dispose type.</param>
241 /// <since_tizen> 6 </since_tizen>
242 protected override void Dispose(DisposeTypes type)
244 if (disposed) return;
246 if (type == DisposeTypes.Explicit)
248 Utility.Dispose(Thumb);
249 Utility.Dispose(Track);
256 /// Called after a key event is received by the view that has had its focus set.
258 /// <param name="key">The key event.</param>
259 /// <returns>True if the key event should be consumed.</returns>
260 /// <since_tizen> 8 </since_tizen>
261 public override bool OnKey(Key key)
263 return base.OnKey(key);
267 /// Called after a touch event is received by the owning view.<br />
268 /// CustomViewBehaviour.REQUIRES_TOUCH_EVENTS must be enabled during construction. See CustomView(ViewWrapperImpl.CustomViewBehaviour behaviour).<br />
270 /// <param name="touch">The touch event.</param>
271 /// <returns>True if the event should be consumed.</returns>
272 /// <since_tizen> 8 </since_tizen>
273 public override bool OnTouch(Touch touch)
275 return base.OnTouch(touch);
279 /// Get Switch style.
281 /// <returns>The default switch style.</returns>
282 /// <since_tizen> 8 </since_tizen>
283 protected override ViewStyle CreateViewStyle()
285 return new SwitchStyle();
289 [EditorBrowsable(EditorBrowsableState.Never)]
290 protected override void OnControlStateChanged(ControlStateChangedEventArgs controlStateChangedInfo)
292 base.OnControlStateChanged(controlStateChangedInfo);
299 bool previousSelected = controlStateChangedInfo.PreviousState.Contains(ControlState.Selected);
301 if (previousSelected != IsSelected)
307 private void Initialize()
313 /// Theme change callback when theme is changed, this callback will be trigger.
315 /// <param name="sender">The sender</param>
316 /// <param name="e">The event data</param>
317 [EditorBrowsable(EditorBrowsableState.Never)]
318 protected override void OnThemeChangedEvent(object sender, StyleManager.ThemeChangeEventArgs e)
320 SwitchStyle switchStyle = StyleManager.Instance.GetViewStyle(StyleName) as SwitchStyle;
321 if (null != switchStyle)
323 ApplyStyle(switchStyle);
327 private void OnSelect()
329 ((SwitchExtension)Extension)?.OnSelectedChanged(this);
331 if (SelectedEvent != null)
333 SelectEventArgs eventArgs = new SelectEventArgs();
334 eventArgs.IsSelected = IsSelected;
335 SelectedEvent(this, eventArgs);
340 /// SelectEventArgs is a class to record item selected arguments which will sent to user.
342 /// <since_tizen> 6 </since_tizen>
343 public class SelectEventArgs : EventArgs
345 /// <summary> Select state of Switch </summary>
346 /// <since_tizen> 6 </since_tizen>
347 public bool IsSelected;