using CPF; using CPF.Animation; using CPF.Charts; using CPF.Controls; using CPF.Drawing; using CPF.Input; using CPF.Platform; using CPF.Shapes; using CPF.Styling; using CPF.Svg; using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Security.Cryptography; using System.Text; namespace CPF.Toolkit.Controls { public class MdiWindow : Control { [PropertyMetadata(typeof(WindowState), "0")] public WindowState WindowState { get => GetValue(); set => SetValue(value); } [PropertyMetadata("title")] public string Title { get => GetValue(); set => SetValue(value); } public UIElement Content { get => GetValue(); set => SetValue(value); } [PropertyMetadata(true)] public bool MaximizeBox { get { return GetValue(); } set { SetValue(value); } } [PropertyMetadata(true)] public bool MinimizeBox { get { return GetValue(); } set { SetValue(value); } } [PropertyMetadata(true)] public bool CloseBox { get { return GetValue(); } set { SetValue(value); } } [UIPropertyMetadata((byte)5, UIPropertyOptions.AffectsMeasure)] public byte ShadowBlur { get { return GetValue(); } set { SetValue(value); } } public event EventHandler Closing; WindowState oldState; SizeField normalSize = new SizeField(500, 500); Point normalPos = new Point(0, 0); protected override void InitializeComponent() { var bar = (ViewFill)"154,180,208"; var thubmEnabled = new BindingDescribe(this, nameof(WindowState), BindingMode.OneWay, b => ((WindowState)b) == WindowState.Normal); this.Size = normalSize; this.Background = null; this.MarginLeft = 0; this.MarginTop = 0; this.MinWidth = 200; this.MinHeight = 70; this.ClipToBounds = true; this.Children.Add(new Border { Size = SizeField.Fill, Background = "#fff", BorderType = BorderType.BorderStroke, BorderStroke = new Stroke(0), ShadowBlur = ShadowBlur, ShadowColor = Color.FromRgba(0, 0, 0, 150), Child = new Decorator { Size = SizeField.Fill, ClipToBounds = true, Child = new Grid { Size = SizeField.Fill, ColumnDefinitions = { new ColumnDefinition{ Width = "auto" }, new ColumnDefinition{ }, new ColumnDefinition{ Width = "auto" }, }, RowDefinitions = { new RowDefinition{ Height = "auto" }, new RowDefinition{ Height = 30 }, new RowDefinition{ }, new RowDefinition{ Height = "auto" }, }, Children = { new Thumb { Name = "top", Size = "100%,5", Background = bar, Cursor = Cursors.SizeNorthSouth, Attacheds = { { Grid.ColumnSpan,3 } }, [nameof(IsEnabled)] = thubmEnabled, Commands = { { nameof(Thumb.DragDelta),(s,e) => { var args = e as DragDeltaEventArgs; if (this.Height.Value - args.VerticalChange > 0) { this.MarginTop += args.VerticalChange; this.Height -= args.VerticalChange; } } } }, }, new Thumb { Name = "left", Size = "5,100%", Background = bar, Cursor = Cursors.SizeWestEast, IsEnabled = false, Attacheds = { { Grid.ColumnIndex,0 } ,{ Grid.RowSpan,4 } }, [nameof(IsEnabled)] = thubmEnabled, Commands = { { nameof(Thumb.DragDelta),(s,e) => { var args = e as DragDeltaEventArgs; if (this.Width.Value - args.HorizontalChange > 0) { this.MarginLeft += args.HorizontalChange; this.Width -= args.HorizontalChange; } } } } }, new Thumb { Name = "right", Size = "5,100%", Background = bar, Cursor = Cursors.SizeWestEast, MarginRight = 0, Attacheds = { { Grid.ColumnIndex,2 },{ Grid.RowSpan,4 } }, [nameof(IsEnabled)] = thubmEnabled, Commands = { { nameof(Thumb.DragDelta),(s,e) => this.Width += (e as DragDeltaEventArgs).HorizontalChange } } }, new Thumb { Name = "bottom", Size = "100%,5", Background = bar, Cursor = Cursors.SizeNorthSouth, Attacheds = { { Grid.RowIndex,3 },{ Grid.ColumnSpan,3 } }, [nameof(IsEnabled)] = thubmEnabled, Commands = { { nameof(Thumb.DragDelta),(s,e) => this.Height += (e as DragDeltaEventArgs).VerticalChange } } }, new Thumb { Name = "caption", Attacheds = { { Grid.RowIndex,1 },{ Grid.ColumnIndex,1 } }, Size = SizeField.Fill, Background = bar, Child = new Panel { Size = SizeField.Fill, Children = { new StackPanel { Orientation = Orientation.Horizontal, MarginLeft = 0, Children = { new TextBlock { [nameof(TextBlock.Text)] = new BindingDescribe(this,nameof(this.Title),BindingMode.OneWay), FontSize = 14, MarginLeft = 10, }, } }, new StackPanel { Orientation = Orientation.Horizontal, MarginRight = 0, Height = "100%", Children = { new SystemButton { Name = "min", Size = new SizeField(30,"100%"), Content = new Line { MarginLeft = "auto", StartPoint = new Point(1,13), EndPoint = new Point(14,13), StrokeStyle = "2", IsAntiAlias = true, StrokeFill = "black" }, [nameof(Visibility)] = new BindingDescribe(this,nameof(MinimizeBox),BindingMode.OneWay,a=>(bool)a?Visibility.Visible: Visibility.Collapsed), Commands = { { nameof(Button.Click),(s,e) => this.WindowState = WindowState.Minimized } }, }, new Panel { Height = "100%", [nameof(Visibility)] = new BindingDescribe(this,nameof(MaximizeBox),BindingMode.OneWay,a => (bool)a ? Visibility.Visible : Visibility.Collapsed), Children = { new SystemButton { Name = "max", Size = new SizeField(30,"100%"), Content = new Rectangle { Size = new SizeField(14,12), MarginTop = 5, StrokeStyle = "2", }, Commands = { { nameof(Button.Click),(s,e) => this.WindowState = WindowState.Maximized } }, [nameof(Visibility)] = new BindingDescribe(this, nameof(WindowState), BindingMode.OneWay, a => ((WindowState)a).Or(WindowState.Maximized,WindowState.FullScreen) ? Visibility.Collapsed : Visibility.Visible), }, new SystemButton { Name = "nor", Visibility = Visibility.Collapsed, Size = new SizeField(30,"100%"), Content = new Panel { Size = SizeField.Fill, Children = { new Rectangle { MarginTop = 10, MarginLeft =8, Size = new SizeField(11,8), StrokeStyle = "1.5", }, new Polyline { MarginTop =5, MarginLeft = 12, Points = { new Point(0,3), new Point(0,0), new Point(9,0), new Point(9,7), new Point(6,7) }, StrokeStyle = "2" } } }, Commands = { { nameof(Button.Click),(s,e) => this.WindowState = WindowState.Normal } }, [nameof(Visibility)] = new BindingDescribe(this, nameof(WindowState), BindingMode.OneWay, a => ((WindowState)a).Or( WindowState.Normal, WindowState.Minimized) ? Visibility.Collapsed : Visibility.Visible) } } }, new SystemButton { Name = "close", Size = new SizeField(30,"100%"), Content = new Panel { Size = SizeField.Fill, Children = { new Line { MarginTop=4, MarginLeft=8, StartPoint = new Point(1, 1), EndPoint = new Point(14, 13), StrokeStyle = "2", IsAntiAlias=true, }, new Line { MarginTop=4, MarginLeft=8, StartPoint = new Point(14, 1), EndPoint = new Point(1, 13), StrokeStyle = "2", IsAntiAlias=true, } } }, Commands = { { nameof(Button.Click),(ss,ee) => { var e = new ClosingEventArgs(); this.Closing?.Invoke(this,e); if (!e.Cancel) { this.Visibility = Visibility.Collapsed; this.Dispose(); } } } }, [nameof(Visibility)] = new BindingDescribe(this,nameof(this.CloseBox),BindingMode.OneWay,a=>(bool)a?Visibility.Visible: Visibility.Collapsed) } } }, }, }, Commands = { { nameof(Thumb.DragDelta), (s,e) => { if (this.WindowState.Or(WindowState.Normal)) { var arge = e as DragDeltaEventArgs; this.MarginLeft += arge.HorizontalChange; this.MarginTop += arge.VerticalChange; this.normalPos = new Point(this.MarginLeft.Value, this.MarginTop.Value); } } }, { nameof(DoubleClick), (s,e) => this.Delay(TimeSpan.FromMilliseconds(150),() => { if (this.WindowState.Or(WindowState.Maximized,WindowState.Minimized)) { this.WindowState = WindowState.Normal; } else if (this.WindowState == WindowState.Normal) { this.WindowState = WindowState.Maximized; } }) } }, }, new Decorator { Attacheds = { { Grid.RowIndex,2 } ,{ Grid.ColumnIndex,1 } }, Size = SizeField.Fill, Child = this.Content, }, } }, }, [nameof(Border.ShadowBlur)] = new BindingDescribe(this, nameof(WindowState), BindingMode.OneWay, a => ((WindowState)a).Or(WindowState.Maximized, WindowState.FullScreen,WindowState.Minimized) ? 0 : ShadowBlur), }); this.Content.Margin = "0"; this.Content.ClipToBounds = true; } protected override void OnPropertyChanged(string propertyName, object oldValue, object newValue, PropertyMetadataAttribute propertyMetadata) { switch (propertyName) { case nameof(WindowState): { switch (this.WindowState) { case WindowState.Normal: this.Size = this.normalSize; this.MarginLeft = this.normalPos.X; this.MarginTop = this.normalPos.Y; break; case WindowState.Minimized: this.Visibility = Visibility.Collapsed; this.oldState = (WindowState)oldValue; break; case WindowState.Maximized: case WindowState.FullScreen: this.Size = SizeField.Fill; this.MarginLeft = 0; this.MarginTop = 0; break; } } break; case nameof(Size): case nameof(Width): case nameof(Height): case nameof(ActualSize): switch (this.WindowState) { case WindowState.Normal: this.normalSize = this.Size; break; case WindowState.Minimized: //this.Width = this.MinWidth; //this.Height = this.MinHeight; break; case WindowState.Maximized: case WindowState.FullScreen: break; } break; case nameof(MarginLeft): { if (this.MarginLeft.Value <= 0) { this.MarginLeft = 0; } } break; case nameof(MarginTop): if (MarginTop.Value <= 0) { this.MarginTop = 0; } break; } base.OnPropertyChanged(propertyName, oldValue, newValue, propertyMetadata); } public override string ToString() { return this.Title; } public void ReWindowState() { this.WindowState = this.oldState; } } }