| Imports System.ComponentModel |
| Imports System.Drawing.Design |
| Imports System.Globalization |
| Imports System.Reflection |
| Imports System.Xml.Serialization |
|
|
| Namespace PropertyGridEx |
|
|
| <Serializable(), XmlRootAttribute("CustomProperty")> |
| Public Class CustomProperty |
|
|
| #Region "Protected variables" |
|
|
| |
| Protected sName As String = "" |
| Protected oValue As Object = Nothing |
| Protected bIsReadOnly As Boolean = False |
| Protected bVisible As Boolean = True |
| Protected sDescription As String = "" |
| Protected sCategory As String = "" |
| Protected bIsPassword As Boolean = Nothing |
| Protected bIsPercentage As Boolean = Nothing |
| Protected bParenthesize As Boolean = Nothing |
|
|
| |
| Protected sFilter As String = Nothing |
| Protected eDialogType As UIFilenameEditor.FileDialogType = UIFilenameEditor.FileDialogType.LoadFileDialog |
| Protected bUseFileNameEditor As Boolean = False |
|
|
| |
| Protected oChoices As CustomChoices = Nothing |
|
|
| |
| Protected bIsBrowsable As Boolean = False |
| Protected eBrowsablePropertyLabel As BrowsableTypeConverter.LabelStyle = BrowsableTypeConverter.LabelStyle.lsEllipsis |
|
|
| |
| Protected bRef As Boolean = False |
| Protected oRef As Object = Nothing |
| Protected sProp As String = "" |
|
|
| |
| Protected oDatasource As Object = Nothing |
| Protected sDisplayMember As String = Nothing |
| Protected sValueMember As String = Nothing |
| Protected oSelectedValue As Object = Nothing |
| Protected oSelectedItem As Object = Nothing |
| Protected bIsDropdownResizable As Boolean = Nothing |
|
|
| |
| Protected MethodDelegate As UICustomEventEditor.OnClick |
|
|
| |
| <NonSerialized()> Protected oCustomAttributes As AttributeCollection = Nothing |
| Protected oTag As Object = Nothing |
| Protected oDefaultValue As Object = Nothing |
| Protected oDefaultType As Type = Nothing |
|
|
| |
| <NonSerialized()> Protected oCustomEditor As UITypeEditor = Nothing |
| <NonSerialized()> Protected oCustomTypeConverter As TypeConverter = Nothing |
|
|
| #End Region |
|
|
| #Region "Public methods" |
|
|
| Public Sub New() |
| sName = "New Property" |
| oValue = "" |
| End Sub |
|
|
| Public Sub New(ByVal strName As String, ByVal objValue As Object, Optional ByVal boolIsReadOnly As Boolean = True, Optional ByVal strCategory As String = "", Optional ByVal strDescription As String = "", Optional ByVal boolVisible As Boolean = True) |
| sName = strName |
| oValue = objValue |
| bIsReadOnly = boolIsReadOnly |
| sDescription = strDescription |
| sCategory = strCategory |
| bVisible = boolVisible |
| If oValue IsNot Nothing Then |
| oDefaultValue = oValue |
| End If |
| End Sub |
|
|
| Public Sub New(ByVal strName As String, ByRef objRef As Object, ByVal strProp As String, Optional ByVal boolIsReadOnly As Boolean = True, Optional ByVal strCategory As String = "", Optional ByVal strDescription As String = "", Optional ByVal boolVisible As Boolean = True) |
| sName = strName |
| bIsReadOnly = boolIsReadOnly |
| sDescription = strDescription |
| sCategory = strCategory |
| bVisible = boolVisible |
| bRef = True |
| oRef = objRef |
| sProp = strProp |
| If Value IsNot Nothing Then |
| oDefaultValue = Value |
| End If |
| End Sub |
|
|
| Public Sub RebuildAttributes() |
| If bUseFileNameEditor Then |
| BuildAttributes_FilenameEditor() |
| ElseIf oChoices IsNot Nothing Then |
| BuildAttributes_CustomChoices() |
| ElseIf oDatasource IsNot Nothing Then |
| BuildAttributes_ListboxEditor() |
| ElseIf bIsBrowsable Then |
| BuildAttributes_BrowsableProperty() |
| End If |
| End Sub |
|
|
| #End Region |
|
|
| #Region "Private methods" |
|
|
| Private Sub BuildAttributes_FilenameEditor() |
| Dim attrs As ArrayList = New ArrayList() |
| Dim FilterAttribute As New UIFilenameEditor.FileDialogFilterAttribute(sFilter) |
| Dim SaveDialogAttribute As New UIFilenameEditor.SaveFileAttribute |
| Dim attrArray As Attribute() |
| attrs.Add(FilterAttribute) |
| If eDialogType = UIFilenameEditor.FileDialogType.SaveFileDialog Then attrs.Add(SaveDialogAttribute) |
| attrArray = attrs.ToArray(GetType(Attribute)) |
| oCustomAttributes = New AttributeCollection(attrArray) |
| End Sub |
|
|
| Private Sub BuildAttributes_CustomChoices() |
| If oChoices IsNot Nothing Then |
| Dim list As New CustomChoices.CustomChoicesAttributeList(oChoices.Items) |
| Dim attrs As ArrayList = New ArrayList() |
| Dim attrArray As Attribute() |
| attrs.Add(list) |
| attrArray = attrs.ToArray(GetType(Attribute)) |
| oCustomAttributes = New AttributeCollection(attrArray) |
| End If |
| End Sub |
|
|
| Private Sub BuildAttributes_ListboxEditor() |
| If oDatasource IsNot Nothing Then |
| Dim ds As New UIListboxEditor.UIListboxDatasource(oDatasource) |
| Dim vm As New UIListboxEditor.UIListboxValueMember(sValueMember) |
| Dim dm As New UIListboxEditor.UIListboxDisplayMember(sDisplayMember) |
| Dim ddr As UIListboxEditor.UIListboxIsDropDownResizable = Nothing |
| Dim attrs As ArrayList = New ArrayList() |
| attrs.Add(ds) |
| attrs.Add(vm) |
| attrs.Add(dm) |
| If bIsDropdownResizable Then |
| ddr = New UIListboxEditor.UIListboxIsDropDownResizable |
| attrs.Add(ddr) |
| End If |
| Dim attrArray As Attribute() |
| attrArray = attrs.ToArray(GetType(Attribute)) |
| oCustomAttributes = New AttributeCollection(attrArray) |
| End If |
| End Sub |
|
|
| Private Sub BuildAttributes_BrowsableProperty() |
| Dim style As New BrowsableTypeConverter.BrowsableLabelStyleAttribute(eBrowsablePropertyLabel) |
| oCustomAttributes = New AttributeCollection(New Attribute() {style}) |
| End Sub |
|
|
| Private Sub BuildAttributes_CustomEventProperty() |
| Dim attr As New UICustomEventEditor.DelegateAttribute(MethodDelegate) |
| oCustomAttributes = New AttributeCollection(New Attribute() {attr}) |
| End Sub |
|
|
| Private Property DataColumn() As Object |
| Get |
| Dim oRow As DataRow = CType(oRef, System.Data.DataRow) |
| If oRow.RowState <> DataRowState.Deleted Then |
| If oDatasource Is Nothing Then |
| Return oRow(sProp) |
| Else |
| Dim oLookupTable As DataTable = TryCast(oDatasource, DataTable) |
| If oLookupTable IsNot Nothing Then |
| Return oLookupTable.Select(sValueMember & "=" & oRow(sProp))(0).Item(sDisplayMember) |
| Else |
| Err.Raise(vbObjectError + 513, , "Bind of DataRow with a DataSource that is not a DataTable is not possible") |
| Return Nothing |
| End If |
| End If |
| Else |
| Return Nothing |
| End If |
| End Get |
| Set(ByVal value As Object) |
| Dim oRow As DataRow = CType(oRef, System.Data.DataRow) |
| If oRow.RowState <> DataRowState.Deleted Then |
| If oDatasource Is Nothing Then |
| oRow(sProp) = value |
| Else |
| Dim oLookupTable As DataTable = TryCast(oDatasource, DataTable) |
| If oLookupTable IsNot Nothing Then |
| If oLookupTable.Columns(sDisplayMember).DataType.Equals(System.Type.GetType("System.String")) Then |
| oRow(sProp) = oLookupTable.Select(oLookupTable.Columns(sDisplayMember).ColumnName & " = '" & value & "'")(0).Item(sValueMember) |
| Else |
| oRow(sProp) = oLookupTable.Select(oLookupTable.Columns(sDisplayMember).ColumnName & " = " & value)(0).Item(sValueMember) |
| End If |
| Else |
| Err.Raise(vbObjectError + 514, , "Bind of DataRow with a DataSource that is not a DataTable is impossible") |
| End If |
| End If |
| End If |
| End Set |
| End Property |
|
|
| #End Region |
|
|
| #Region "Public properties" |
|
|
| <Category("Appearance"), |
| DisplayName("Name"), |
| DescriptionAttribute("Display Name of the CustomProperty."), |
| ParenthesizePropertyName(True), |
| XmlElementAttribute("Name")> |
| Public Property Name() As String |
| Get |
| Return sName |
| End Get |
| Set(ByVal value As String) |
| sName = value |
| End Set |
| End Property |
|
|
| <Category("Appearance"), |
| DisplayName("ReadOnly"), |
| DescriptionAttribute("Set read only attribute of the CustomProperty."), |
| XmlElementAttribute("ReadOnly")> |
| Public Property IsReadOnly() As Boolean |
| Get |
| Return bIsReadOnly |
| End Get |
| Set(ByVal value As Boolean) |
| bIsReadOnly = value |
| End Set |
| End Property |
|
|
| <Category("Appearance"), |
| DescriptionAttribute("Set visibility attribute of the CustomProperty.")> |
| Public Property Visible() As Boolean |
| Get |
| Return bVisible |
| End Get |
| Set(ByVal value As Boolean) |
| bVisible = value |
| End Set |
| End Property |
|
|
| <Category("Appearance"), |
| DescriptionAttribute("Represent the Value of the CustomProperty.")> |
| Public Property Value() As Object |
| Get |
| If bRef Then |
| If TryCast(oRef, DataRow) IsNot Nothing Then |
| Return Me.DataColumn |
| Else |
| Dim method As FieldInfo = oRef.GetType().GetField(sProp) |
| If Not method Is Nothing Then |
| Return method.GetValue(oRef) |
| Else |
| Return oRef.GetType().GetProperty(sProp).GetValue(oRef, Nothing) |
| End If |
| End If |
| Else |
| Return oValue |
| End If |
| End Get |
| Set(ByVal value As Object) |
| If bRef Then |
| If TryCast(oRef, DataRow) IsNot Nothing Then |
| Me.DataColumn = value |
| Else |
| Dim method As FieldInfo = oRef.GetType().GetField(sProp) |
| If Not method Is Nothing Then |
| method.SetValue(oRef, value) |
| Else |
| oRef.GetType().GetProperty(sProp).SetValue(oRef, value, Nothing) |
| End If |
| End If |
| Else |
| oValue = value |
| End If |
| End Set |
| End Property |
|
|
| <Category("Appearance"), |
| DescriptionAttribute("Set description associated with the CustomProperty.")> |
| Public Property Description() As String |
| Get |
| Return sDescription |
| End Get |
| Set(ByVal value As String) |
| sDescription = value |
| End Set |
| End Property |
|
|
| <Category("Appearance"), |
| DescriptionAttribute("Set category associated with the CustomProperty.")> |
| Public Property Category() As String |
| Get |
| Return sCategory |
| End Get |
| Set(ByVal value As String) |
| sCategory = value |
| End Set |
| End Property |
|
|
| <XmlIgnore()> |
| Public ReadOnly Property Type() As System.Type |
| Get |
| If Value IsNot Nothing Then |
| Return Value.GetType |
| Else |
| If oDefaultValue IsNot Nothing Then |
| Return oDefaultValue.GetType |
| Else |
| Return oDefaultType |
| End If |
| End If |
| End Get |
| End Property |
|
|
| <XmlIgnore()> |
| Public Property Attributes() As AttributeCollection |
| Get |
| Return oCustomAttributes |
| End Get |
| Set(ByVal value As AttributeCollection) |
| oCustomAttributes = value |
| End Set |
| End Property |
|
|
| <Category("Behavior"), |
| DescriptionAttribute("Indicates if the property is browsable or not."), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property IsBrowsable() As Boolean |
| Get |
| Return bIsBrowsable |
| End Get |
| Set(ByVal value As Boolean) |
| bIsBrowsable = value |
| If value = True Then |
| BuildAttributes_BrowsableProperty() |
| End If |
| End Set |
| End Property |
|
|
| <Category("Appearance"), |
| DisplayName("Parenthesize"), |
| DescriptionAttribute("Indicates whether the name of the associated property is displayed with parentheses in the Properties window."), |
| DefaultValue(False), |
| XmlElementAttribute("Parenthesize")> |
| Public Property Parenthesize() As Boolean |
| Get |
| Return bParenthesize |
| End Get |
| Set(ByVal value As Boolean) |
| bParenthesize = value |
| End Set |
| End Property |
|
|
|
|
| <Category("Behavior"), |
| DescriptionAttribute("Indicates the style of the label when a property is browsable."), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property BrowsableLabelStyle() As BrowsableTypeConverter.LabelStyle |
| Get |
| Return eBrowsablePropertyLabel |
| End Get |
| Set(ByVal value As BrowsableTypeConverter.LabelStyle) |
| Dim Update As Boolean = False |
| If value <> eBrowsablePropertyLabel Then Update = True |
| eBrowsablePropertyLabel = value |
| If Update Then |
| Dim style As New BrowsableTypeConverter.BrowsableLabelStyleAttribute(value) |
| oCustomAttributes = New AttributeCollection(New Attribute() {style}) |
| End If |
| End Set |
| End Property |
|
|
| <Category("Behavior"), |
| DescriptionAttribute("Indicates if the property is masked or not."), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property IsPassword() As Boolean |
| Get |
| Return bIsPassword |
| End Get |
| Set(ByVal value As Boolean) |
| bIsPassword = value |
| End Set |
| End Property |
|
|
| <Category("Behavior"), |
| DescriptionAttribute("Indicates if the property represents a value in percentage."), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property IsPercentage() As Boolean |
| Get |
| Return bIsPercentage |
| End Get |
| Set(ByVal value As Boolean) |
| bIsPercentage = value |
| End Set |
| End Property |
|
|
| <Category("Behavior"), |
| DescriptionAttribute("Indicates if the property uses a FileNameEditor converter."), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property UseFileNameEditor() As Boolean |
| Get |
| Return bUseFileNameEditor |
| End Get |
| Set(ByVal value As Boolean) |
| bUseFileNameEditor = value |
| End Set |
| End Property |
|
|
| <Category("Behavior"), |
| DescriptionAttribute("Apply a filter to FileNameEditor converter."), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property FileNameFilter() As String |
| Get |
| Return sFilter |
| End Get |
| Set(ByVal value As String) |
| Dim UpdateAttributes As Boolean = False |
| If value <> sFilter Then UpdateAttributes = True |
| sFilter = value |
| If UpdateAttributes Then BuildAttributes_FilenameEditor() |
| End Set |
| End Property |
|
|
| <Category("Behavior"), |
| DescriptionAttribute("DialogType of the FileNameEditor."), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property FileNameDialogType() As UIFilenameEditor.FileDialogType |
| Get |
| Return eDialogType |
| End Get |
| Set(ByVal value As UIFilenameEditor.FileDialogType) |
| Dim UpdateAttributes As Boolean = False |
| If value <> eDialogType Then UpdateAttributes = True |
| eDialogType = value |
| If UpdateAttributes Then BuildAttributes_FilenameEditor() |
| End Set |
| End Property |
|
|
| <Category("Behavior"), |
| DescriptionAttribute("Custom Choices list."), |
| XmlIgnore()> |
| Public Property Choices() As CustomChoices |
| Get |
| Return oChoices |
| End Get |
| Set(ByVal value As CustomChoices) |
| oChoices = value |
| BuildAttributes_CustomChoices() |
| End Set |
| End Property |
|
|
| <Category("Databinding"), |
| XmlIgnore()> |
| Public Property Datasource() As Object |
| Get |
| Return oDatasource |
| End Get |
| Set(ByVal value As Object) |
| oDatasource = value |
| BuildAttributes_ListboxEditor() |
| End Set |
| End Property |
|
|
| <Category("Databinding"), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property ValueMember() As String |
| Get |
| Return sValueMember |
| End Get |
| Set(ByVal value As String) |
| sValueMember = value |
| BuildAttributes_ListboxEditor() |
| End Set |
| End Property |
|
|
| <Category("Databinding"), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property DisplayMember() As String |
| Get |
| Return sDisplayMember |
| End Get |
| Set(ByVal value As String) |
| sDisplayMember = value |
| BuildAttributes_ListboxEditor() |
| End Set |
| End Property |
|
|
| <Category("Databinding"), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property SelectedValue() As Object |
| Get |
| Return oSelectedValue |
| End Get |
| Set(ByVal value As Object) |
| oSelectedValue = value |
| End Set |
| End Property |
|
|
| <Category("Databinding"), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property SelectedItem() As Object |
| Get |
| Return oSelectedItem |
| End Get |
| Set(ByVal value As Object) |
| oSelectedItem = value |
| End Set |
| End Property |
|
|
| <Category("Databinding"), |
| XmlElementAttribute(IsNullable:=False)> |
| Public Property IsDropdownResizable() As Boolean |
| Get |
| Return bIsDropdownResizable |
| End Get |
| Set(ByVal value As Boolean) |
| bIsDropdownResizable = value |
| BuildAttributes_ListboxEditor() |
| End Set |
| End Property |
|
|
| <XmlIgnore()> |
| Public Property CustomEditor() As UITypeEditor |
| Get |
| Return oCustomEditor |
| End Get |
| Set(ByVal value As UITypeEditor) |
| oCustomEditor = value |
| End Set |
| End Property |
|
|
| <XmlIgnore()> |
| Public Property CustomTypeConverter() As TypeConverter |
| Get |
| Return oCustomTypeConverter |
| End Get |
| Set(ByVal value As TypeConverter) |
| oCustomTypeConverter = value |
| End Set |
| End Property |
|
|
| <XmlIgnore()> |
| Public Property Tag() As Object |
| Get |
| Return oTag |
| End Get |
| Set(ByVal value As Object) |
| oTag = value |
| End Set |
| End Property |
|
|
| <XmlIgnore()> |
| Public Property Tag2() As Object |
|
|
| <XmlIgnore()> |
| Public Property Tag3() As Object |
|
|
| <XmlIgnore()> |
| Public Property DefaultValue() As Object |
| Get |
| Return oDefaultValue |
| End Get |
| Set(ByVal value As Object) |
| oDefaultValue = value |
| End Set |
| End Property |
|
|
| <XmlIgnore()> |
| Public Property DefaultType() As Type |
| Get |
| Return oDefaultType |
| End Get |
| Set(ByVal value As Type) |
| oDefaultType = value |
| End Set |
| End Property |
|
|
| <XmlIgnore()> |
| Public Property OnClick() As UICustomEventEditor.OnClick |
| Get |
| Return MethodDelegate |
| End Get |
| Set(ByVal value As UICustomEventEditor.OnClick) |
| MethodDelegate = value |
| BuildAttributes_CustomEventProperty() |
| End Set |
| End Property |
|
|
| #End Region |
|
|
| #Region "CustomPropertyDescriptor" |
| Public Class CustomPropertyDescriptor |
| Inherits PropertyDescriptor |
|
|
| Protected oCustomProperty As CustomProperty |
|
|
| Public Sub New(ByVal myProperty As CustomProperty, ByVal attrs() As Attribute) |
| MyBase.New(myProperty.Name, attrs) |
| If myProperty Is Nothing Then |
| oCustomProperty = Nothing |
| Else : oCustomProperty = myProperty |
| End If |
| End Sub |
|
|
| Public Overrides Function CanResetValue(ByVal component As Object) As Boolean |
| If oCustomProperty.DefaultValue IsNot Nothing OrElse oCustomProperty.DefaultType IsNot Nothing Then |
| Return True |
| Else |
| Return False |
| End If |
| End Function |
|
|
| Public Overrides ReadOnly Property ComponentType() As System.Type |
| Get |
| Return Me.GetType |
| End Get |
| End Property |
|
|
| Public Overrides Function GetValue(ByVal component As Object) As Object |
| Return oCustomProperty.Value |
| End Function |
|
|
| Public Overrides ReadOnly Property IsReadOnly() As Boolean |
| Get |
| Return oCustomProperty.IsReadOnly |
| End Get |
| End Property |
|
|
| Public Overrides ReadOnly Property PropertyType() As System.Type |
| Get |
| Return oCustomProperty.Type |
| End Get |
| End Property |
|
|
| Public Overrides Sub ResetValue(ByVal component As Object) |
| oCustomProperty.Value = oCustomProperty.DefaultValue |
| Me.OnValueChanged(component, EventArgs.Empty) |
| End Sub |
|
|
| Public Overrides Sub SetValue(ByVal component As Object, ByVal value As Object) |
| oCustomProperty.Value = value |
| Me.OnValueChanged(component, EventArgs.Empty) |
| End Sub |
|
|
| Public Overrides Function ShouldSerializeValue(ByVal component As Object) As Boolean |
| Dim oValue As Object = oCustomProperty.Value |
| If oCustomProperty.DefaultValue IsNot Nothing AndAlso |
| oValue IsNot Nothing Then |
| Return Not oValue.Equals(oCustomProperty.DefaultValue) |
| Else |
| Return False |
| End If |
| End Function |
|
|
| Public Overrides ReadOnly Property Description() As String |
| Get |
| Return oCustomProperty.Description |
| End Get |
| End Property |
|
|
| Public Overrides ReadOnly Property Category() As String |
| Get |
| Return oCustomProperty.Category |
| End Get |
| End Property |
|
|
| Public Overrides ReadOnly Property DisplayName() As String |
| Get |
| Return oCustomProperty.Name |
| End Get |
| End Property |
|
|
| Public Overrides ReadOnly Property IsBrowsable() As Boolean |
| Get |
| Return oCustomProperty.IsBrowsable |
| End Get |
| End Property |
|
|
| Public ReadOnly Property CustomProperty() |
| Get |
| Return oCustomProperty |
| End Get |
| End Property |
|
|
| End Class |
| #End Region |
|
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| End Class |
|
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| End Namespace |
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