232 lines
12 KiB
VB.net
232 lines
12 KiB
VB.net
Public Class MyRadioBox
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Implements IMyRadio
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'基础
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Public Uuid As Integer = GetUuid()
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Public Event PreviewCheck(sender As Object, e As RouteEventArgs)
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Public Event PreviewChange(sender As Object, e As RouteEventArgs)
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Public Event Check(sender As Object, e As RouteEventArgs) Implements IMyRadio.Check
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Public Event Changed(sender As Object, e As RouteEventArgs) Implements IMyRadio.Changed
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'自定义属性
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Private _Checked As Boolean = False '是否选中
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Public Property Checked As Boolean
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Get
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Return _Checked
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End Get
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Set(value As Boolean)
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SetChecked(value, False, True)
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End Set
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End Property
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''' <summary>
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''' 手动设置 Checked 属性。
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''' </summary>
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''' <param name="value">新的 Checked 属性。</param>
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''' <param name="user">是否由用户引发。</param>
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''' <param name="anime">是否执行动画。</param>
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Public Sub SetChecked(value As Boolean, user As Boolean, anime As Boolean)
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Try
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'Preview 事件
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If value AndAlso user Then
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Dim e = New RouteEventArgs(user)
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RaiseEvent PreviewCheck(Me, e)
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If e.Handled Then
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Radiobox_MouseLeave()
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Exit Sub
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End If
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End If
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'自定义属性基础
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Dim IsChanged As Boolean = False
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If IsLoaded AndAlso Not value = _Checked Then RaiseEvent PreviewChange(Me, New RouteEventArgs(user))
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If Not value = _Checked Then
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_Checked = value
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IsChanged = True
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End If
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'保证只有一个单选框选中
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If Parent Is Nothing Then Exit Sub
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Dim RadioboxList As New List(Of MyRadioBox)
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Dim CheckedCount As Integer = 0
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'收集控件列表与选中个数
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For Each Control In CType(Parent, Object).Children
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If TypeOf Control Is MyRadioBox Then
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RadioboxList.Add(Control)
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If Control.Checked Then CheckedCount += 1
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End If
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Next
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'判断选中情况
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Select Case CheckedCount
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Case 0
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'没有任何单选框被选中，选择第一个
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RadioboxList(0).Checked = True
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Case Is > 1
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'选中项目多于 1 个
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If Checked Then
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'如果本控件选中，则取消其他所有控件的选中
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For Each Control As MyRadioBox In RadioboxList
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If Control.Checked AndAlso Not Control.Equals(Me) Then Control.Checked = False
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Next
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Else
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'如果本控件未选中，则只保留第一个选中的控件
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Dim FirstChecked = False
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For Each Control As MyRadioBox In RadioboxList
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If Control.Checked Then
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If FirstChecked Then
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Control.Checked = False '修改 Checked 会自动触发 Change 事件，所以不用额外触发
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Else
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FirstChecked = True
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End If
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End If
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Next
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End If
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End Select
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'End If
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'更改动画
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If Not IsChanged Then Exit Sub
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If IsLoaded AndAlso AniControlEnabled = 0 AndAlso anime Then '防止默认属性变更触发动画
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If Checked Then
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'由无变有
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If ShapeDot.Opacity < 0.01 Then ShapeDot.Opacity = 1
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AniStart({
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AaScale(ShapeBorder, 10 - ShapeBorder.Width, AnimationTimeOfCheck, , New AniEaseOutFluent(AniEasePower.Weak), , True),
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AaScale(ShapeBorder, 8, AnimationTimeOfCheck * 2, AnimationTimeOfCheck * 0.6, New AniEaseOutBack, , True)
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}, "MyRadioBox Border " & Uuid)
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AniStart({
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AaScale(ShapeDot, 9 - ShapeDot.Width, AnimationTimeOfCheck * 2.6,, New AniEaseOutBack(AniEasePower.Weak), , True),
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AaOpacity(ShapeDot, 1 - ShapeDot.Opacity, AnimationTimeOfCheck * 0.5, AnimationTimeOfCheck * 0.6)
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}, "MyRadioBox Dot " & Uuid)
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AniStart({
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AaColor(ShapeBorder, Ellipse.StrokeProperty, If(IsMouseOver, "ColorBrush3", If(IsEnabled, "ColorBrush2", "ColorBrushGray4")), AnimationTimeOfCheck)
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}, "MyRadioBox BorderColor " & Uuid)
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Else
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'由有变无
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AniStart({
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AaScale(ShapeBorder, 18 - ShapeBorder.Width, AnimationTimeOfCheck, , New AniEaseOutFluent, , True)
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}, "MyRadioBox Border " & Uuid)
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AniStart({
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AaScale(ShapeDot, -ShapeDot.Width, AnimationTimeOfCheck, , New AniEaseInFluent, , True),
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AaOpacity(ShapeDot, -ShapeDot.Opacity, AnimationTimeOfCheck * 0.5, AnimationTimeOfCheck * 0.2)
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}, "MyRadioBox Dot " & Uuid)
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AniStart({
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AaColor(ShapeBorder, Ellipse.StrokeProperty, If(IsMouseOver, "ColorBrush3", If(IsEnabled, "ColorBrush1", "ColorBrushGray4")), AnimationTimeOfCheck)
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}, "MyRadioBox BorderColor " & Uuid)
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End If
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Else
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'不使用动画
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AniStop("MyRadioBox Border " & Uuid)
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AniStop("MyRadioBox Dot " & Uuid)
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AniStop("MyRadioBox BorderColor " & Uuid)
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If Checked Then
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ShapeDot.Width = 9
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ShapeDot.Height = 9
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ShapeDot.Opacity = 1
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ShapeDot.Margin = New Thickness(5.5, 0, 0, 0)
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ShapeBorder.SetResourceReference(Ellipse.StrokeProperty, If(IsEnabled, "ColorBrush2", "ColorBrushGray4"))
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Else
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ShapeDot.Width = 0
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ShapeDot.Height = 0
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ShapeDot.Opacity = 0
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ShapeDot.Margin = New Thickness(10, 0, 0, 0)
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ShapeBorder.SetResourceReference(Ellipse.StrokeProperty, If(IsEnabled, "ColorBrush1", "ColorBrushGray4"))
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End If
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End If
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'触发事件
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If Checked Then RaiseEvent Check(Me, New RouteEventArgs(user))
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RaiseEvent Changed(Me, New RouteEventArgs(user))
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Catch ex As Exception
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Log(ex, "单选框勾选改变错误", LogLevel.Hint)
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End Try
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End Sub
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Public Property Text As String
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Get
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Return GetValue(TextProperty)
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End Get
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Set(value As String)
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SetValue(TextProperty, value)
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End Set
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End Property '内容
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Public Shared ReadOnly TextProperty As DependencyProperty = DependencyProperty.Register("Text", GetType(String), GetType(MyRadioBox), New PropertyMetadata(New PropertyChangedCallback(
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Sub(sender As DependencyObject, e As DependencyPropertyChangedEventArgs)
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If Not IsNothing(sender) Then CType(sender, MyRadioBox).LabText.Text = e.NewValue
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End Sub)))
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'点击事件
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Private MouseDowned As Boolean = False
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Private AllowMouseDown As Boolean = True
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Private Sub Radiobox_MouseUp() Handles Me.MouseLeftButtonUp
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If Not MouseDowned Then Exit Sub
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MouseDowned = False
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Log("[Control] 按下单选框：" & Text)
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SetChecked(True, True, True)
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AniStart(AaColor(ShapeBorder, Ellipse.FillProperty, "ColorBrushBg2", 100), "MyRadioBox Background " & Uuid)
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End Sub
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Private Sub Radiobox_MouseDown() Handles Me.MouseLeftButtonDown
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MouseDowned = True
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Focus()
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AniStart(AaColor(ShapeBorder, Ellipse.FillProperty, "ColorBrushBg1", 100), "MyRadioBox Background " & Uuid)
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If Not Checked Then
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AniStart(AaScale(ShapeBorder, 16.5 - ShapeBorder.Width, 1000, , New AniEaseOutFluent(AniEasePower.Strong), Absolute:=True), "MyRadioBox Border " & Uuid)
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End If
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End Sub
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Private Sub Radiobox_MouseLeave() Handles Me.MouseLeave
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If Not MouseDowned Then Exit Sub
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MouseDowned = False
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AniStart(AaColor(ShapeBorder, Ellipse.FillProperty, "ColorBrushBg2", 100), "MyRadioBox Background " & Uuid)
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If Not Checked Then
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AniStart(AaScale(ShapeBorder, 18 - ShapeBorder.Width, 400, , New AniEaseOutFluent(AniEasePower.Strong), Absolute:=True), "MyRadioBox Border " & Uuid)
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End If
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End Sub
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'指向动画
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Private Const AnimationTimeOfMouseIn As Integer = 100 '鼠标指向动画长度
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Private Const AnimationTimeOfMouseOut As Integer = 200 '鼠标指向动画长度
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Private Const AnimationTimeOfCheck As Integer = 150 '勾选状态变更动画长度
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Private Sub Radiobox_IsEnabledChanged() Handles Me.IsEnabledChanged
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If Me.IsLoaded AndAlso AniControlEnabled = 0 Then '防止默认属性变更触发动画
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'有动画
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If Me.IsEnabled Then
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'可用
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Radiobox_MouseLeaveAnimation()
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Else
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'不可用
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AniStart(AaColor(ShapeBorder, Ellipse.StrokeProperty, ColorGray4 - ShapeBorder.Stroke, AnimationTimeOfMouseOut), "MyRadioBox BorderColor " & Uuid)
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AniStart(AaColor(LabText, TextBlock.ForegroundProperty, ColorGray4 - LabText.Foreground, AnimationTimeOfMouseOut), "MyRadioBox TextColor " & Uuid)
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End If
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Else
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'无动画
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AniStop("MyRadioBox BorderColor " & Uuid)
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AniStop("MyRadioBox TextColor " & Uuid)
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LabText.SetResourceReference(TextBlock.ForegroundProperty, If(Me.IsEnabled, "ColorBrush1", "ColorBrushGray4"))
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ShapeBorder.SetResourceReference(Ellipse.StrokeProperty, If(Me.IsEnabled, If(Checked, "ColorBrush2", "ColorBrush1"), "ColorBrushGray4"))
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End If
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End Sub
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Private Sub Radiobox_MouseEnterAnimation() Handles Me.MouseEnter
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AniStart(AaColor(ShapeBorder, Ellipse.StrokeProperty, "ColorBrush3", AnimationTimeOfMouseIn), "MyRadioBox BorderColor " & Uuid)
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AniStart(AaColor(LabText, TextBlock.ForegroundProperty, "ColorBrush3", AnimationTimeOfMouseIn), "MyRadioBox TextColor " & Uuid)
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End Sub
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Private Sub Radiobox_MouseLeaveAnimation() Handles Me.MouseLeave
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If Not Me.IsEnabled Then Exit Sub 'MouseLeave 比 IsEnabledChanged 后执行，所以如果自定义事件修改了 IsEnabled，将导致显示错误
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If IsLoaded AndAlso AniControlEnabled = 0 Then
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AniStart(AaColor(ShapeBorder, Ellipse.StrokeProperty, If(IsEnabled, If(Checked, "ColorBrush2", "ColorBrush1"), "ColorBrushGray4"), AnimationTimeOfMouseOut), "MyRadioBox BorderColor " & Uuid)
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AniStart(AaColor(LabText, TextBlock.ForegroundProperty, If(IsEnabled, "ColorBrush1", "ColorBrushGray4"), AnimationTimeOfMouseOut), "MyRadioBox TextColor " & Uuid)
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Else
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ShapeBorder.SetResourceReference(Ellipse.StrokeProperty, If(IsEnabled, If(Checked, "ColorBrush2", "ColorBrush1"), "ColorBrushGray4"))
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LabText.SetResourceReference(TextBlock.ForegroundProperty, If(IsEnabled, "ColorBrush1", "ColorBrushGray4"))
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End If
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End Sub
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End Class
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