上传公开代码
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龙腾猫跃
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Public Class MyCheckBox
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'基础
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Public Uuid As Integer = GetUuid()
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''' <summary>
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''' 复选框勾选状态改变。
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''' </summary>
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''' <param name="user">是否为用户手动改变的勾选状态。</param>
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Public Event Change(sender As Object, user As Boolean)
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Public Event PreviewChange(sender As Object, e As RouteEventArgs)
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Public Sub RaiseChange()
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RaiseEvent Change(Me, False)
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End Sub '使外部程序引发本控件的 Change 事件
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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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Private Const AnimationTimeOfCheck As Integer = 150 '勾选状态变更动画长度
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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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If value = _Checked Then Exit Sub
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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 PreviewChange(Me, e)
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If e.Handled Then
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MouseDowned = True
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Checkbox_MouseLeave()
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MouseDowned = False
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Exit Sub
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End If
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End If
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_Checked = value
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If IsLoaded Then RaiseEvent Change(Me, user)
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'更改动画
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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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AllowMouseDown = False
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If Checked Then
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'由无变有
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AniStart({
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AaScale(ShapeBorder, 12 - ShapeBorder.Width, AnimationTimeOfCheck, , New AniEaseOutFluent, , True),
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AaScaleTransform(ShapeCheck, 1 - CType(ShapeCheck.RenderTransform, ScaleTransform).ScaleX, AnimationTimeOfCheck * 2, AnimationTimeOfCheck * 0.7, New AniEaseOutBack(AniEasePower.Weak)),
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AaScale(ShapeBorder, 6, AnimationTimeOfCheck * 2, AnimationTimeOfCheck * 0.7, New AniEaseOutBack, , True)
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}, "MyCheckBox Scale " & Uuid)
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AniStart({
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AaColor(ShapeBorder, Border.BorderBrushProperty, If(IsEnabled, If(IsMouseOver, "ColorBrush3", "ColorBrush2"), "ColorBrushGray4"), AnimationTimeOfCheck)
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}, "MyCheckBox BorderColor " & Uuid)
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AniStart({
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AaCode(Sub() AllowMouseDown = True, AnimationTimeOfCheck * 2)
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}, "MyCheckBox AllowMouseDown " & 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, 12 - ShapeBorder.Width, AnimationTimeOfCheck, , New AniEaseOutFluent, , True),
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AaScaleTransform(ShapeCheck, -CType(ShapeCheck.RenderTransform, ScaleTransform).ScaleX, AnimationTimeOfCheck * 0.9, , New AniEaseInFluent(AniEasePower.Weak)),
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AaScale(ShapeBorder, 6, AnimationTimeOfCheck * 2, AnimationTimeOfCheck * 0.7, New AniEaseOutBack, , True)
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}, "MyCheckBox Scale " & Uuid)
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AniStart({
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AaColor(ShapeBorder, Border.BorderBrushProperty, If(IsEnabled, If(IsMouseOver, "ColorBrush3", "ColorBrush1"), "ColorBrushGray4"), AnimationTimeOfCheck)
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}, "MyCheckBox BorderColor " & Uuid)
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AniStart({
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AaCode(Sub() AllowMouseDown = True, AnimationTimeOfCheck * 2)
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}, "MyCheckBox AllowMouseDown " & 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("MyCheckBox Scale " & Uuid)
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AniStop("MyCheckBox BorderColor " & Uuid)
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AniStop("MyCheckBox AllowMouseDown " & Uuid)
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If Checked Then
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CType(ShapeCheck.RenderTransform, ScaleTransform).ScaleX = 1
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CType(ShapeCheck.RenderTransform, ScaleTransform).ScaleY = 1
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ShapeBorder.SetResourceReference(Border.BorderBrushProperty, If(IsEnabled, "ColorBrush2", "ColorBrushGray4"))
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Else
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CType(ShapeCheck.RenderTransform, ScaleTransform).ScaleX = 0
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CType(ShapeCheck.RenderTransform, ScaleTransform).ScaleY = 0
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ShapeBorder.SetResourceReference(Border.BorderBrushProperty, If(IsEnabled, "ColorBrush1", "ColorBrushGray4"))
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End If
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End If
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Catch ex As Exception
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Log(ex, "设置 Checked 失败")
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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(MyCheckbox), 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, MyCheckbox).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 Checkbox_MouseUp() Handles Me.MouseLeftButtonUp
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If Not MouseDowned Then Exit Sub
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Log("[Control] 按下复选框（" & (Not Checked).ToString & "）：" & Text)
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MouseDowned = False
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SetChecked(Not Checked, True, True)
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AniStart(AaColor(ShapeBorder, Border.BackgroundProperty, "ColorBrushHalfWhite", 100), "MyCheckBox Background " & Uuid)
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End Sub
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Private Sub Checkbox_MouseDown() Handles Me.MouseLeftButtonDown
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If Not AllowMouseDown Then Exit Sub
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MouseDowned = True
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Focus()
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AniStart(AaColor(ShapeBorder, Border.BackgroundProperty, "ColorBrush9", 100), "MyCheckBox Background " & Uuid)
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If Checked Then
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AniStart({
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AaScale(ShapeBorder, 16.5 - ShapeBorder.Width, 1000, , New AniEaseOutFluent(AniEasePower.Strong), Absolute:=True),
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AaScaleTransform(ShapeCheck, 0.9 - CType(ShapeCheck.RenderTransform, ScaleTransform).ScaleX, 1000, , New AniEaseOutFluent(AniEasePower.Strong))
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}, "MyCheckBox Scale " & Uuid)
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Else
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AniStart(AaScale(ShapeBorder, 16.5 - ShapeBorder.Width, 1000, , New AniEaseOutFluent(AniEasePower.Strong), Absolute:=True), "MyCheckBox Scale " & Uuid)
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End If
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End Sub
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Private Sub Checkbox_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, Border.BackgroundProperty, "ColorBrushHalfWhite", 100), "MyCheckBox Background " & Uuid)
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If Checked Then
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AniStart({
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AaScale(ShapeBorder, 18 - ShapeBorder.Width, 400, , New AniEaseOutFluent(AniEasePower.Strong), Absolute:=True),
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AaScaleTransform(ShapeCheck, 1 - CType(ShapeCheck.RenderTransform, ScaleTransform).ScaleX, 500, , New AniEaseOutFluent(AniEasePower.Strong))
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}, "MyCheckBox Scale " & Uuid)
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Else
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AniStart(AaScale(ShapeBorder, 18 - ShapeBorder.Width, 400, , New AniEaseOutFluent(AniEasePower.Strong), Absolute:=True), "MyCheckBox Scale " & 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
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Private Const AnimationTimeOfMouseOut As Integer = 200
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Private Sub Checkbox_IsEnabledChanged() Handles Me.IsEnabledChanged
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If 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 IsEnabled Then
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'可用
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Checkbox_MouseLeaveAnimation()
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Else
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'不可用
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AniStart({
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AaColor(ShapeBorder, Border.BorderBrushProperty, ColorGray4 - ShapeBorder.BorderBrush, AnimationTimeOfMouseOut)
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}, "MyCheckBox BorderColor " & Uuid)
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AniStart({
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AaColor(LabText, TextBlock.ForegroundProperty, ColorGray4 - LabText.Foreground, AnimationTimeOfMouseOut)
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}, "MyCheckBox 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("MyCheckBox TextColor " & Uuid)
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AniStop("MyCheckBox BorderColor " & Uuid)
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LabText.SetResourceReference(TextBlock.ForegroundProperty, If(Me.IsEnabled, "ColorBrush1", "ColorBrushGray4"))
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ShapeBorder.SetResourceReference(Border.BorderBrushProperty, 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 Checkbox_MouseEnterAnimation() Handles Me.MouseEnter
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AniStart({
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AaColor(LabText, TextBlock.ForegroundProperty, "ColorBrush3", AnimationTimeOfMouseIn)
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}, "MyCheckBox TextColor " & Uuid)
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AniStart({
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AaColor(ShapeBorder, Border.BorderBrushProperty, "ColorBrush3", AnimationTimeOfMouseIn)
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}, "MyCheckBox BorderColor " & Uuid)
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End Sub
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Private Sub Checkbox_MouseLeaveAnimation() Handles Me.MouseLeave
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If Not 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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AniStart({
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AaColor(LabText, TextBlock.ForegroundProperty, If(Me.IsEnabled, "ColorBrush1", "ColorBrushGray4"), AnimationTimeOfMouseOut)
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}, "MyCheckBox TextColor " & Uuid)
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AniStart({
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AaColor(ShapeBorder, Border.BorderBrushProperty, If(Me.IsEnabled, If(Checked, "ColorBrush2", "ColorBrush1"), "ColorBrushGray4"), AnimationTimeOfMouseOut)
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}, "MyCheckBox BorderColor " & Uuid)
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End Sub
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End Class
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