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 string _fontFamily;
44 private string _fontStyle;
45 private int _pointSize;
46 private Color _textColor;
47 private Color _textBackgroundColor;
48 private int _maxTextLength;
50 // Called by DALi Builder if it finds a Spin control in a JSON file
51 static CustomView CreateInstance()
56 // static constructor registers the control type (only runs once)
59 // ViewRegistry registers control type with DALi type registery
60 // also uses introspection to find any properties that need to be registered with type registry
61 CustomViewRegistry.Instance.Register(CreateInstance, typeof(Spin));
65 /// Creates an initialized spin.
67 public Spin() : base(typeof(Spin).FullName, CustomViewBehaviour.RequiresKeyboardNavigationSupport)
72 /// Overrides the method of OnInitialize() for the CustomView class.<br>
73 /// This method is called after the control has been initialized.<br>
74 /// Derived classes should do any second phase initialization by overriding this method.<br>
76 public override void OnInitialize()
78 // Initialize the propertiesControl
79 //_arrowImage = "/home/tengxb/Workspace/nui-debug/examples/res/images/arrow.png";
80 _arrowImage = Tizen.Applications.Application.Current.DirectoryInfo.Resource + "picture.png";
81 _textBackgroundColor = new Color(0.6f, 0.6f, 0.6f, 1.0f);
88 // Create image visual for the arrow keys
89 _arrowVisualPropertyIndex = RegisterProperty("ArrowImage", new PropertyValue(_arrowImage), Tizen.NUI.PropertyAccessMode.ReadWrite);
90 _arrowVisual = VisualFactory.Instance.CreateVisual(
91 new PropertyMap().Add(Visual.Property.Type, new PropertyValue((int)Visual.Type.Image))
92 .Add(ImageVisualProperty.URL, new PropertyValue(_arrowImage))
93 .Add(ImageVisualProperty.DesiredHeight, new PropertyValue(150))
94 .Add(ImageVisualProperty.DesiredWidth, new PropertyValue(150)));
95 RegisterVisual(_arrowVisualPropertyIndex, _arrowVisual);
97 // Create a text field
98 _textField = new TextField();
99 _textField.PivotPoint = Tizen.NUI.PivotPoint.Center;
100 _textField.WidthResizePolicy = ResizePolicyType.SizeRelativeToParent;
101 _textField.HeightResizePolicy = ResizePolicyType.SizeRelativeToParent;
102 _textField.SizeModeFactor = new Vector3(1.0f, 0.45f, 1.0f);
103 _textField.PlaceholderText = "----";
104 _textField.BackgroundColor = _textBackgroundColor;
105 _textField.HorizontalAlignment = HorizontalAlignment.Center;
106 _textField.VerticalAlignment = VerticalAlignment.Center;
107 _textField.Focusable = (true);
108 _textField.Name = "_textField";
109 _textField.Position2D = new Position2D(0, 40);
111 this.Add(_textField);
113 _textField.FocusGained += TextFieldKeyInputFocusGained;
114 _textField.FocusLost += TextFieldKeyInputFocusLost;
118 /// Overrides the method of GetNaturalSize() for the CustomView class.<br>
119 /// Returns the natural size of the actor.<br>
121 /// <returns> Natural size of this spin itself.</returns>
122 public override Size2D GetNaturalSize()
124 return new Size2D(150, 150);
128 /// An event handler is used when the TextField in the spin gets the key focus.<br>
129 /// Make sure when the current spin that takes input focus, also takes the keyboard focus.<br>
130 /// For example, when you tap the spin directly.<br>
132 /// <param name="source">Sender of this event.</param>
133 /// <param name="e">Event arguments.</param>
134 public void TextFieldKeyInputFocusGained(object source, EventArgs e)
136 FocusManager.Instance.SetCurrentFocusView(_textField);
140 /// An event handler when the TextField in the spin looses it's key focus.
142 /// <param name="source"></param>
143 /// <param name="e"></param>
144 public void TextFieldKeyInputFocusLost(object source, EventArgs e)
146 int previousValue = _currentValue;
148 // If the input value is invalid, change it back to the previous valid value
149 if (int.TryParse(_textField.Text, out _currentValue))
151 if (_currentValue < _minValue || _currentValue > _maxValue)
153 _currentValue = previousValue;
158 _currentValue = previousValue;
161 // Otherwise take the new value
162 this.Value = _currentValue;
166 /// Overrides the method of GetNextKeyboardFocusableView() for the CustomView class.<br>
167 /// Gets the next key focusable view in this view towards the given direction.<br>
168 /// A view needs to override this function in order to support two-dimensional key navigation.<br>
170 /// <param name="currentFocusedView">The current focused view.</param>
171 /// <param name="direction">The direction to move the focus towards.</param>
172 /// <param name="loopEnabled">Whether the focus movement should be looped within the control.</param>
173 /// <returns>The next keyboard focusable view in this control or an empty handle if no view can be focused.</returns>
174 public override View GetNextFocusableView(View currentFocusedView, View.FocusDirection direction, bool loopEnabled)
176 // Respond to Up/Down keys to change the value while keeping the current spin focused
177 View nextFocusedView = currentFocusedView;
178 if (direction == View.FocusDirection.Up)
180 this.Value += this.Step;
181 nextFocusedView = _textField;
183 else if (direction == View.FocusDirection.Down)
185 this.Value -= this.Step;
186 nextFocusedView = _textField;
194 return nextFocusedView;
198 /// Value to be set in the spin.
200 [ScriptableProperty()]
205 return _currentValue;
210 Tizen.Log.Debug("NUI", "Value set to " + value);
211 _currentValue = value;
213 // Make sure no invalid value is accepted
214 if (_currentValue < _minValue)
216 _currentValue = _minValue;
219 if (_currentValue > _maxValue)
221 _currentValue = _maxValue;
224 _textField.Text = _currentValue.ToString();
229 /// Minimum value of the spin value.
231 // MinValue property of type int:
232 [ScriptableProperty()]
246 /// Maximum value of the spin value.
248 // MaxValue property of type int:
249 [ScriptableProperty()]
263 /// Increasing, decreasing step of the spin value when up or down keys are pressed.
265 // Step property of type int:
266 [ScriptableProperty()]
280 /// Wrapping enabled status.
282 // WrappingEnabled property of type bool:
283 [ScriptableProperty()]
284 public bool WrappingEnabled
288 return _wrappingEnabled;
292 _wrappingEnabled = value;
297 /// Text point size of the spin value.
299 // TextPointSize property of type int:
300 [ScriptableProperty()]
301 public int TextPointSize
310 _textField.PointSize = _pointSize;
315 /// The color of the spin value.
317 // TextColor property of type Color:
318 [ScriptableProperty()]
319 public Color TextColor
327 Tizen.Log.Debug("NUI", "TextColor set to " + value.R + "," + value.G + "," + value.B);
330 _textField.TextColor = _textColor;
335 /// Maximum text lengh of the spin value.
337 // MaxTextLength property of type int:
338 [ScriptableProperty()]
339 public int MaxTextLength
343 return _maxTextLength;
347 _maxTextLength = value;
348 _textField.MaxLength = _maxTextLength;
353 /// Reference of TextField of the spin.
355 public TextField SpinText
368 /// Show indicator image, for example, up or down arrow image.
370 // Indicator property of type string:
371 public string IndicatorImage
380 _arrowVisual = VisualFactory.Instance.CreateVisual(
381 new PropertyMap().Add(Visual.Property.Type, new PropertyValue((int)Visual.Type.Image))
382 .Add(ImageVisualProperty.URL, new PropertyValue(_arrowImage))
383 .Add(ImageVisualProperty.DesiredHeight, new PropertyValue(150))
384 .Add(ImageVisualProperty.DesiredWidth, new PropertyValue(150)));
385 RegisterVisual(_arrowVisualPropertyIndex, _arrowVisual);