1 // Copyright (c) 2017 Samsung Electronics Co., Ltd.
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
16 // This File has been auto-generated by SWIG and then modified using DALi Ruby Scripts
17 // Some have been manually changed
20 using System.Runtime.InteropServices;
22 using Tizen.NUI.UIComponents;
23 using Tizen.NUI.BaseComponents;
25 // A spin control (for continously changing values when users can easily predict a set of values)
30 ///Spins the CustomView class.
32 public class Spin : CustomView
34 private VisualBase _arrowVisual;
35 private TextField _textField;
36 private int _arrowVisualPropertyIndex;
37 private string _arrowImage;
38 private int _currentValue;
39 private int _minValue;
40 private int _maxValue;
41 private int _singleStep;
42 private bool _wrappingEnabled;
43 private int _pointSize;
44 private Color _textColor;
45 private Color _textBackgroundColor;
46 private int _maxTextLength;
48 // Called by DALi Builder if it finds a Spin control in a JSON file
49 static CustomView CreateInstance()
54 // static constructor registers the control type (only runs once)
57 // ViewRegistry registers control type with DALi type registery
58 // also uses introspection to find any properties that need to be registered with type registry
59 CustomViewRegistry.Instance.Register(CreateInstance, typeof(Spin));
63 /// Creates an initialized spin.
65 public Spin() : base(typeof(Spin).FullName, CustomViewBehaviour.RequiresKeyboardNavigationSupport)
70 /// Overrides the method of OnInitialize() for the CustomView class.<br>
71 /// This method is called after the control has been initialized.<br>
72 /// Derived classes should do any second phase initialization by overriding this method.<br>
74 public override void OnInitialize()
76 // Initialize the propertiesControl
77 //_arrowImage = "/home/tengxb/Workspace/nui-debug/examples/res/images/arrow.png";
78 _arrowImage = Tizen.Applications.Application.Current.DirectoryInfo.Resource + "picture.png";
79 _textBackgroundColor = new Color(0.6f, 0.6f, 0.6f, 1.0f);
86 // Create image visual for the arrow keys
87 _arrowVisualPropertyIndex = RegisterProperty("ArrowImage", new PropertyValue(_arrowImage), Tizen.NUI.PropertyAccessMode.ReadWrite);
88 _arrowVisual = VisualFactory.Instance.CreateVisual(
89 new PropertyMap().Add(Visual.Property.Type, new PropertyValue((int)Visual.Type.Image))
90 .Add(ImageVisualProperty.URL, new PropertyValue(_arrowImage))
91 .Add(ImageVisualProperty.DesiredHeight, new PropertyValue(150))
92 .Add(ImageVisualProperty.DesiredWidth, new PropertyValue(150)));
93 RegisterVisual(_arrowVisualPropertyIndex, _arrowVisual);
95 // Create a text field
96 _textField = new TextField();
97 _textField.PivotPoint = Tizen.NUI.PivotPoint.Center;
98 _textField.WidthResizePolicy = ResizePolicyType.SizeRelativeToParent;
99 _textField.HeightResizePolicy = ResizePolicyType.SizeRelativeToParent;
100 _textField.SizeModeFactor = new Vector3(1.0f, 0.45f, 1.0f);
101 _textField.PlaceholderText = "----";
102 _textField.BackgroundColor = _textBackgroundColor;
103 _textField.HorizontalAlignment = HorizontalAlignment.Center;
104 _textField.VerticalAlignment = VerticalAlignment.Center;
105 _textField.Focusable = (true);
106 _textField.Name = "_textField";
107 _textField.Position2D = new Position2D(0, 40);
109 this.Add(_textField);
111 _textField.FocusGained += TextFieldKeyInputFocusGained;
112 _textField.FocusLost += TextFieldKeyInputFocusLost;
116 /// Overrides the method of GetNaturalSize() for the CustomView class.<br>
117 /// Returns the natural size of the actor.<br>
119 /// <returns> Natural size of this spin itself.</returns>
120 public override Size2D GetNaturalSize()
122 return new Size2D(150, 150);
126 /// An event handler is used when the TextField in the spin gets the key focus.<br>
127 /// Make sure when the current spin that takes input focus, also takes the keyboard focus.<br>
128 /// For example, when you tap the spin directly.<br>
130 /// <param name="source">Sender of this event.</param>
131 /// <param name="e">Event arguments.</param>
132 public void TextFieldKeyInputFocusGained(object source, EventArgs e)
134 FocusManager.Instance.SetCurrentFocusView(_textField);
138 /// An event handler when the TextField in the spin looses it's key focus.
140 /// <param name="source"></param>
141 /// <param name="e"></param>
142 public void TextFieldKeyInputFocusLost(object source, EventArgs e)
144 int previousValue = _currentValue;
146 // If the input value is invalid, change it back to the previous valid value
147 if (int.TryParse(_textField.Text, out _currentValue))
149 if (_currentValue < _minValue || _currentValue > _maxValue)
151 _currentValue = previousValue;
156 _currentValue = previousValue;
159 // Otherwise take the new value
160 this.Value = _currentValue;
164 /// Overrides the method of GetNextKeyboardFocusableView() for the CustomView class.<br>
165 /// Gets the next key focusable view in this view towards the given direction.<br>
166 /// A view needs to override this function in order to support two-dimensional key navigation.<br>
168 /// <param name="currentFocusedView">The current focused view.</param>
169 /// <param name="direction">The direction to move the focus towards.</param>
170 /// <param name="loopEnabled">Whether the focus movement should be looped within the control.</param>
171 /// <returns>The next keyboard focusable view in this control or an empty handle if no view can be focused.</returns>
172 public override View GetNextFocusableView(View currentFocusedView, View.FocusDirection direction, bool loopEnabled)
174 // Respond to Up/Down keys to change the value while keeping the current spin focused
175 View nextFocusedView = currentFocusedView;
176 if (direction == View.FocusDirection.Up)
178 this.Value += this.Step;
179 nextFocusedView = _textField;
181 else if (direction == View.FocusDirection.Down)
183 this.Value -= this.Step;
184 nextFocusedView = _textField;
192 return nextFocusedView;
196 /// Value to be set in the spin.
198 [ScriptableProperty()]
203 return _currentValue;
208 Tizen.Log.Debug("NUI", "Value set to " + value);
209 _currentValue = value;
211 // Make sure no invalid value is accepted
212 if (_currentValue < _minValue)
214 _currentValue = _minValue;
217 if (_currentValue > _maxValue)
219 _currentValue = _maxValue;
222 _textField.Text = _currentValue.ToString();
227 /// Minimum value of the spin value.
229 // MinValue property of type int:
230 [ScriptableProperty()]
244 /// Maximum value of the spin value.
246 // MaxValue property of type int:
247 [ScriptableProperty()]
261 /// Increasing, decreasing step of the spin value when up or down keys are pressed.
263 // Step property of type int:
264 [ScriptableProperty()]
278 /// Wrapping enabled status.
280 // WrappingEnabled property of type bool:
281 [ScriptableProperty()]
282 public bool WrappingEnabled
286 return _wrappingEnabled;
290 _wrappingEnabled = value;
295 /// Text point size of the spin value.
297 // TextPointSize property of type int:
298 [ScriptableProperty()]
299 public int TextPointSize
308 _textField.PointSize = _pointSize;
313 /// The color of the spin value.
315 // TextColor property of type Color:
316 [ScriptableProperty()]
317 public Color TextColor
325 Tizen.Log.Debug("NUI", "TextColor set to " + value.R + "," + value.G + "," + value.B);
328 _textField.TextColor = _textColor;
333 /// Maximum text lengh of the spin value.
335 // MaxTextLength property of type int:
336 [ScriptableProperty()]
337 public int MaxTextLength
341 return _maxTextLength;
345 _maxTextLength = value;
346 _textField.MaxLength = _maxTextLength;
351 /// Reference of TextField of the spin.
353 public TextField SpinText
366 /// Show indicator image, for example, up or down arrow image.
368 // Indicator property of type string:
369 public string IndicatorImage
378 _arrowVisual = VisualFactory.Instance.CreateVisual(
379 new PropertyMap().Add(Visual.Property.Type, new PropertyValue((int)Visual.Type.Image))
380 .Add(ImageVisualProperty.URL, new PropertyValue(_arrowImage))
381 .Add(ImageVisualProperty.DesiredHeight, new PropertyValue(150))
382 .Add(ImageVisualProperty.DesiredWidth, new PropertyValue(150)));
383 RegisterVisual(_arrowVisualPropertyIndex, _arrowVisual);