test/Tizen.NUI.StyleGuide/Examples/ButtonExample.cs

   1 /*
   2  * Copyright(c) 2022 Samsung Electronics Co., Ltd.
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  *
  16  */
  17 using System;
  18 using System.ComponentModel;
  19 using Tizen.NUI;
  20 using Tizen.NUI.BaseComponents;
  21 using Tizen.NUI.Components;
  22
  23 namespace Tizen.NUI.StyleGuide
  24 {
  25     // IExample inehrited class will be automatically added in the main examples list.
  26     internal class ButtonExample : ContentPage, IExample
  27     {
  28         private Window window;
  29         public void Activate()
  30         {
  31         }
  32         public void Deactivate()
  33         {
  34             window = null;
  35         }
  36
  37         /// Modify this method for adding other examples.
  38         public ButtonExample() : base()
  39         {
  40             Log.Info(this.GetType().Name, $"{this.GetType().Name} is contructed\n");
  41
  42             WidthSpecification = LayoutParamPolicies.MatchParent;
  43             HeightSpecification = LayoutParamPolicies.MatchParent;
  44             // Navigator bar title is added here.
  45             AppBar = new AppBar()
  46             {
  47                 Title = "Button Default Style",
  48             };
  49
  50             // Example root content view.
  51             // you can decorate, add children on this view.
  52             var rootContent = new View()
  53             {
  54                 WidthSpecification = LayoutParamPolicies.MatchParent,
  55                 HeightSpecification = LayoutParamPolicies.MatchParent,
  56
  57                 Layout = new LinearLayout()
  58                 {
  59                     LinearOrientation = LinearLayout.Orientation.Vertical,
  60                     HorizontalAlignment = HorizontalAlignment.Center,
  61                     VerticalAlignment = VerticalAlignment.Center,
  62                     CellPadding = new Size2D(10, 20),
  63                 },
  64             };
  65
  66             // Button style examples.
  67
  68             var enabledButton = new Button()
  69             {
  70                 Text = "Enabled"
  71             };
  72             enabledButton.Clicked += (object obj, ClickedEventArgs ev) =>
  73             {
  74                 Log.Info(this.GetType().Name, "Enabled Button Clicked\n");
  75             };
  76             rootContent.Add(enabledButton);
  77
  78             var disabledButton = new Button()
  79             {
  80                 Text = "Disabled",
  81                 IsEnabled = false,
  82             };
  83             disabledButton.EnableFocus();
  84             disabledButton.Clicked += (object obj, ClickedEventArgs ev) =>
  85             {
  86                 // This event should not be recieved. button is disabled.
  87                 Log.Info(this.GetType().Name, "Disabled Button Clicked\n");
  88
  89             };
  90             rootContent.Add(disabledButton);
  91
  92             var selectableButton = new Button()
  93             {
  94                 Text = "Unselected",
  95                 IsSelectable = true,
  96             };
  97             selectableButton.Clicked += (object obj, ClickedEventArgs ev) =>
  98             {
  99                 Log.Info(this.GetType().Name, "Selected Button Clicked\n");
 100                 if (obj is Button button)
 101                 {
 102                    disabledButton.IsEnabled = button.IsSelected;
 103                    if (button.IsSelected)
 104                     {
 105                         button.Text = "Selected";
 106                     }
 107                     else
 108                     {
 109                         button.Text = "Unselected";
 110                     }
 111                 }
 112             };
 113             rootContent.Add(selectableButton);
 114             Content = rootContent;
 115         }
 116     }
 117 }