实例介绍
【实例简介】wpf实现
【实例截图】
【实例截图】
【核心代码】
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 | using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Shapes; using System.Windows.Media.Animation; using System.Windows.Markup; using System.IO; using System.Xml; namespace MyFriends { public enum DisplayStyle { GrowShrink = 1, ThreeDimension }; /// <summary> /// Interaction logic for MainInterfaceWindow.xaml /// </summary> public partial class MainInterfaceWindow : Window { private enum CurrentDisplayOption { AddIsShown = 1, AddIsHidden, ViewIsShown, ViewIsHidden }; private CurrentDisplayOption currentDisplayOption; private DisplayStyle currentDisplayStyle; private ItemsControl items3d; private Storyboard Grow_Hide_AddUserControlStoryBoard; private Storyboard Grow_Show_ViewUsersControlStoryBoard; private Storyboard Shrink_Show_AddUserControlStoryBoard; private Storyboard Shrink_Hide_ViewUsersControlStoryBoard; private AddNewFriendControl addfriendsControl3D = null ; private Point topleft; public MainInterfaceWindow() { InitializeComponent(); CreateAlphaGrowArea( true ); //创建缩放显示区域 btnViewAllFriends.IsEnabled = true ; //启用查看联系人按钮 btnAddFriend.IsEnabled = false ; //关闭添加联系人按钮 } private void CreateAlphaGrowArea( bool initialCall) { //初始化添加联系人控件 addFriendsControl.ReInitialise(); //设置当前的显示风格 currentDisplayStyle = DisplayStyle.GrowShrink; mainGrid.Children.Clear(); //首先清除Grid中的控件 //如果GridOuter中存在gridHolder,先从GridOuter移除 if (GridOuter.Children.Contains(gridHolder)) GridOuter.Children.Remove(gridHolder); //在mainGrid控件集合中添加gridHolder控件 if (!mainGrid.Children.Contains(gridHolder)) mainGrid.Children.Add(gridHolder); //让gridHolder控件得以显示 gridHolder.Visibility = Visibility.Visible; //获取故事板并为故事板关联Completed事件 Grow_Hide_AddUserControlStoryBoard = this .TryFindResource( "GrowAndHideAddUserControl" ) as Storyboard; Grow_Hide_AddUserControlStoryBoard.Completed = new EventHandler(Grow_Hide_AddUserControl_Completed); Grow_Show_ViewUsersControlStoryBoard = this .TryFindResource( "GrowAndShowViewUsersControl" ) as Storyboard; Shrink_Show_AddUserControlStoryBoard = this .TryFindResource( "ShrinkAndShowAddUserControl" ) as Storyboard; Shrink_Show_AddUserControlStoryBoard.Completed = new EventHandler(Shrink_Show_AddUserControl_Completed); Shrink_Hide_ViewUsersControlStoryBoard = this .TryFindResource( "ShrinkAndHideViewUsersControl" ) as Storyboard; if (initialCall) //如果己经初始化,则将当前显示选项设置为己显示 currentDisplayOption = CurrentDisplayOption.AddIsShown; } //创建三维动画区域 private void Create3Area() { currentDisplayStyle = DisplayStyle.ThreeDimension; //设置当前显示风格 //将控件移动到Grid中。 if (mainGrid.Children.Contains(gridHolder)) mainGrid.Children.Remove(gridHolder); if (!GridOuter.Children.Contains(gridHolder)) GridOuter.Children.Add(gridHolder); gridHolder.Visibility = Visibility.Collapsed; //折叠控件 //取消关联委拖,在3D模式时将不使用动画 if (Grow_Hide_AddUserControlStoryBoard != null ) Grow_Hide_AddUserControlStoryBoard.Completed -= //移除故事板Completed事件 new EventHandler(Grow_Hide_AddUserControl_Completed); if (Shrink_Show_AddUserControlStoryBoard != null ) Shrink_Show_AddUserControlStoryBoard.Completed -= //移除故事板Completed事件 new EventHandler(Shrink_Show_AddUserControl_Completed); //现在创建3D动画区域 items3d = new ItemsControl(); //实例化一个ItemsControl控件 //设置控件的对齐依赖属性 items3d.SetValue(Grid.HorizontalAlignmentProperty, HorizontalAlignment.Center); items3d.SetValue(Grid.VerticalAlignmentProperty, VerticalAlignment.Center); //设置控件的ItemTemplate模板为资源flipItemTemplate模板 items3d.ItemTemplate = this .TryFindResource( "flipItemTemplate" ) as DataTemplate; //随便添加一项 items3d.Items.Add( "dont care" ); mainGrid.Children.Clear(); //清除容器Grid mainGrid.Children.Add(items3d); //将ItemsControl控件添加进去 } void AddNewFriendControl_SizeChanged( object sender, SizeChangedEventArgs e) { addfriendsControl3D = sender as AddNewFriendControl; //获取对象引用 addfriendsControl3D.ReInitialise(); //重新初始化最后一次的联系人内容 //获取ViewAllUsersControl有些技巧, //需要在DataTemplate中查找,意味着需要遍历视觉树 DependencyObject item = null ; //因为DataItem中只有一个Item,作为一个技巧方法来应用自定义的3D模板 foreach ( object dataitem in items3d.Items) { //获取ItemsControl中的UIElement item = items3d.ItemContainerGenerator. ContainerFromItem(dataitem); int count = VisualTreeHelper.GetChildrenCount(item); for ( int i = 0; i < count; i ) { DependencyObject itemFetched = VisualTreeHelper.GetChild(item, i); //查找Grid,找出哪一个允许找查相关的宿主 //ViewAllUsersControl的ContentPresenter if (itemFetched is Grid) { //查找backContent中的ViewAllUsersControl, //设置其高度并重新绑定数据 ContentPresenter cp = (itemFetched as Grid). FindName( "backContent" ) as ContentPresenter; DataTemplate myDataTemplate = cp.ContentTemplate; ViewAllUsersControl viewUsers = (ViewAllUsersControl) myDataTemplate.FindName( "viewFriendsControl3d" , cp); viewUsers.Height = (sender as AddNewFriendControl).Height; viewUsers.DataBind(); return ; } } } } //查看联系人按钮单击事件处理代码 void btnViewAllFriends_Click( object sender, RoutedEventArgs e) { viewAllUsersControl.Visibility = Visibility.Visible; //显示查看控件 Grow_Hide_AddUserControlStoryBoard.Begin( this ); //开始动画 Grow_Show_ViewUsersControlStoryBoard.Begin( this ); //开始动画 btnAddFriend.IsEnabled = true ; //启用添加按钮 btnViewAllFriends.IsEnabled = false ; //启用查看按扭 viewAllUsersControl.DataBind(); //绑定联系人数据 } //添加联系人按钮单击事件处理代码 void btnAddFriend_Click( object sender, RoutedEventArgs e) { addFriendsControl.Visibility = Visibility.Visible; //显示添加控件 viewAllUsersControl.Visibility = Visibility.Visible; //显示查看控件 Shrink_Show_AddUserControlStoryBoard.Begin( this ); //开始动画 Shrink_Hide_ViewUsersControlStoryBoard.Begin( this ); //开始动画 btnAddFriend.IsEnabled = false ; //禁用添加按钮 btnViewAllFriends.IsEnabled = true ; //启用查看按钮 } void Shrink_Show_AddUserControl_Completed( object sender, EventArgs e) { addFriendsControl.Visibility = Visibility.Visible; //显示添加联系人 viewAllUsersControl.Visibility = Visibility.Hidden; //隐藏查看联系人 currentDisplayOption = CurrentDisplayOption.AddIsShown; //设置显示状态 } void Grow_Hide_AddUserControl_Completed( object sender, EventArgs e) { addFriendsControl.Visibility = Visibility.Hidden; //隐藏添加联系人 viewAllUsersControl.Visibility = Visibility.Visible; //显示查看联系人 currentDisplayOption = CurrentDisplayOption.ViewIsShown; //设置显示状态 } private void btnOptions_Click( object sender, RoutedEventArgs e) { switch (currentDisplayOption) { case CurrentDisplayOption.AddIsShown: topleft = //根据当前的显示状态设置控件的初始位置 addFriendsControl.PointToScreen( new Point(0, 0)); break ; case CurrentDisplayOption.ViewIsShown: topleft = //如果当前查看联系人为显状态,则将其定位到左上角 viewAllUsersControl.PointToScreen( new Point(0, 0)); break ; } OptionsWindow optionsWin = new OptionsWindow(); //选项窗口 optionsWin.Owner = this ; optionsWin.CurrentDisplayStyle = currentDisplayStyle; //设置选项的当前显示风格 optionsWin.WindowStartupLocation = WindowStartupLocation.CenterScreen; //窗口位置 optionsWin.ShowDialog(); //显示选项按钮 //获取定义在应用程序属性中的显示风格 DisplayStyle newDisplayStle = (DisplayStyle)Application. Current.Properties[ "SelectedDisplayStyle" ]; bool showingAddControl = false ; //控件显示布尔值 if (newDisplayStle != currentDisplayStyle) { //判断新的风格与当前风格是否一致 if (newDisplayStle.Equals(DisplayStyle.ThreeDimension)) { //如果新的风格为三维风格 Create3Area(); //用于创建三维动画区域 btnViewAllFriends.IsEnabled = false ; //禁用查看按钮 btnAddFriend.IsEnabled = false ; //禁用添加按扭 } else { //如果是动画风格 CreateAlphaGrowArea( false ); //初始化动画方法 switch (currentDisplayOption) { //根据当前的显示状态设置控件的可见性与按钮的可用性 case CurrentDisplayOption.AddIsShown: viewAllUsersControl.Visibility = Visibility.Visible; showingAddControl = true ; break ; case CurrentDisplayOption.ViewIsShown: showingAddControl = false ; viewAllUsersControl.Visibility = Visibility.Visible; break ; } //根据是否显示设置按钮的启用或禁用 btnViewAllFriends.IsEnabled = showingAddControl; btnAddFriend.IsEnabled = !showingAddControl; } } } private void addFriendsControl_Loaded( object sender, RoutedEventArgs e) { } private void viewAllUsersControl_Loaded( object sender, RoutedEventArgs e) { } } } |
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