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VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
Persistable = 0 'NotPersistable
DataBindingBehavior = 0 'vbNone
DataSourceBehavior = 0 'vbNone
MTSTransactionMode = 0 'NotAnMTSObject
END
Attribute VB_Name = "clsMenu"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Option Explicit
'菜单类,这个类和其他的控件类有一些不同,因为要处理菜单嵌套等特殊情况
Private m_dicTotal As Dictionary '保存全部的属性,包括默认值
Private m_Base As clsBaseControl '基础控件类
Private m_Childs() As Object
Private m_numChilds As Long
Private m_IdxCurChild As Long
Private m_CanbeOutByMainForm As Boolean
'输出PYTHON代码,
'sCmdFunc: 输出参数,事件处理回调代码;
'rel:是否使用相对坐标,
'oop:是否使用面向对象编程
'usettk:是否使用TTK主题扩展
Public Sub toString(ByRef sOut As cStrBuilder, ByRef sCmd As cStrBuilder, rel As Boolean, oop As Boolean, usettk As Boolean)
If oop Then
toStringOOP sOut, sCmd, rel
Else
toStringStructure sOut, sCmd, rel
End If
End Sub
'输出结构化代码
Private Sub toStringStructure(ByRef sOut As cStrBuilder, ByRef sCmd As cStrBuilder, rel As Boolean)
Dim s() As String, i As Long, extra As String
extra = IIf(Len(m_Base("tearoff")), ", tearoff=" & m_Base("tearoff"), "")
sOut.Append Space(4) & m_Base.Name & " = Menu(" & m_Base.Parent & extra & ")"
'逐个输出各顶级菜单,各顶级菜单下的子菜单由各顶级菜单负责生成对应的代码
For i = 0 To m_numChilds - 1
m_Childs(i).toString sOut, sCmd, rel, False, False
Next
sOut.Append Space(4) & m_Base.Parent & "['menu'] = " & m_Base.Name
sOut.Append Space(4) & "gComps['" & m_Base.Name & "'] = " & m_Base.Name
End Sub
'输出面向对象代码
Private Sub toStringOOP(ByRef sOut As cStrBuilder, ByRef sCmd As cStrBuilder, rel As Boolean)
Dim s() As String, i As Long, extra As String
extra = IIf(Len(m_Base("tearoff")), ", tearoff=" & m_Base("tearoff"), "")
sOut.Append Space(8) & "self." & m_Base.Name & " = Menu(self." & m_Base.Parent & extra & ")"
'逐个输出各顶级菜单,各顶级菜单下的子菜单由各顶级菜单负责生成对应的代码
For i = 0 To m_numChilds - 1
m_Childs(i).toString sOut, sCmd, rel, True, False
Next
sOut.Append Space(8) & "self." & m_Base.Parent & "['menu'] = self." & m_Base.Name
End Sub
'创建对象后要马上调用这个函数初始化各参数
Public Sub InitConfig(Optional o As Object, Optional parentWidth As Long, Optional parentHeight As Long, Optional dMethods As Dictionary)
m_Base.SetVbWidgetInstance o
m_Base("tearoff") = "0"
'这些是所有的默认值
m_dicTotal("tearoff") = "0"
m_dicTotal("label") = ""
m_dicTotal("fg") = ""
m_dicTotal("bg") = ""
m_dicTotal("bd") = ""
m_dicTotal("relief") = ""
m_dicTotal("state") = ""
m_dicTotal("underline") = "-1"
m_dicTotal("variable") = m_Base.Name & "Var"
m_dicTotal("font") = ""
End Sub
'设置属性值的可能值列表
'返回值:0-没有可选值,1-有一个严格限制的可选值列表,2-除提供的可选值列表外,还可以手动输入其他值
'输出:sa()可选值列表数组
Public Function GetAttrValueList(sAttr As String, ByRef sa() As String) As Long
If sAttr = "tearoff" Then
GetAttrValueList = 1
sa = Split("1,0", ",")
Else
GetAttrValueList = m_Base.GetAttrValueList(sAttr, sa)
End If
End Function
'判断此控件是否存在对应的属性
Public Function hasAttribute(sAttr As String) As Boolean
hasAttribute = m_Base.hasAttribute(sAttr)
End Function
'获取此控件对应的当前设定的属性值,没有则返回空串
Public Function GetAttrCurrentValue(sAttr As String) As String
GetAttrCurrentValue = m_Base.GetAttrCurrentValue(sAttr)
End Function
Public Function Tips(sAttr As String) As String
If sAttr = "tearoff" Then
Tips = sAttr & vbCrLf & L("l_TipTearOff", "Determines menu can be torn off or not.")
ElseIf sAttr = "postcommand" Then
Tips = sAttr & vbCrLf & L("l_TipPostCmdMenu", "A procedure will be called every time someone brings up this menu.")
Else
Tips = m_Base.Tips(sAttr)
End If
End Function
Private Sub Class_Initialize()
Set m_dicTotal = New Dictionary
Set m_Base = New clsBaseControl
m_Base.Name = "MainMenu"
m_Base.ctlType = "Menu"
m_Base.StyleName = ""
Erase m_Childs
m_numChilds = 0
m_IdxCurChild = 0
m_CanbeOutByMainForm = True
End Sub
'返回一个集合,每个项目三元对"属性名|值|是否默认选择"
'这个函数用于主界面填充属性参数列表框
Public Function Allitems() As Collection
Dim re As Collection, k As Variant, ks As Collection
Set re = New Collection
'标准参数
Set ks = m_dicTotal.Keys
For Each k In ks
If Len(m_Base(k)) Then
re.Add k & "|" & m_Base(k) & "|1"
Else
re.Add k & "|" & m_dicTotal(k) & "|0"
End If
Next
'用户增加的自定义参数(如果有的话)
Set ks = m_Base.Keys
For Each k In ks
If Not m_dicTotal.Exists(k) Then
re.Add k & "|" & m_Base(k) & "|1"
End If
Next
Set Allitems = re
End Function
Public Sub SetConfig(sAttrs As String)
m_Base.SetConfig sAttrs
End Sub
Public Sub SetSingleConfig(sAttr As String)
m_Base.SetSingleConfig sAttr
End Sub
Private Sub Class_Terminate()
Set m_dicTotal = Nothing
Set m_Base = Nothing
Erase m_Childs
End Sub
Public Property Let Parent(s As String)
m_Base.Parent = s
End Property
Public Property Get Parent() As String
Parent = m_Base.Parent
End Property
Public Property Get Name() As String
Name = m_Base.Name
End Property
Public Property Let Name(s As String)
m_Base.Name = s
End Property
'用于改变其默认对应的widget类型,修改widget类型后注意属性列表的合法性
Public Function SetWidgetType(sType As String, sStyleName As String)
'm_Base.ctlType = sType
'm_Base.StyleName = sStyleName
End Function
'确定主处理函数能否调用其toString()来产生代码,默认为True,设置为False说明由其他对象来调用处理
Public Property Get EnableOutByMainForm() As Boolean
EnableOutByMainForm = m_CanbeOutByMainForm
End Property
Public Property Let EnableOutByMainForm(bEnable As Boolean)
m_CanbeOutByMainForm = bEnable
End Property
'对象序列化函数
Public Sub Serializer(vSer As clsSerialization)
vSer.Serializer m_Base
End Sub
Public Sub Deserializer(vSer As clsSerialization)
vSer.Deserializer m_Base
End Sub
Public Property Get Description() As String
Description = L("l_DescMenu", "Menu widget.")
End Property
Public Sub AddChild(o As Object)
ReDim Preserve m_Childs(m_numChilds) As Object
Set m_Childs(m_numChilds) = o
m_numChilds = m_numChilds + 1
End Sub
Public Function GetNextChild(Optional nIdxChild As Long = -1) As Object
m_IdxCurChild = IIf(nIdxChild >= 0, nIdxChild, m_IdxCurChild)
If m_IdxCurChild < m_numChilds Then
Set GetNextChild = m_Childs(m_IdxCurChild)
m_IdxCurChild = m_IdxCurChild + 1
Else
Set GetNextChild = Nothing
m_IdxCurChild = 0
End If
End Function
Public Property Get ChildCount() As Long
ChildCount = m_numChilds
End Property
Public Property Let ScaleMode(nV As Long)
m_Base.ScaleMode = nV
End Property
'用于模拟比较排序的函数,实际上是判断两个对象的依赖关系
'用本对象和另一个对象比较,逻辑结果为'本对象-另一个对象'
'返回值含义:
'<0:表示本对象需要在另一个对象前输出代码
'=0:表示两者将没有依赖关系,代码前后顺序无影响
'>0:另一个对象要先输出代码。
'整体的逻辑结果类似是重的沉底
Public Function Compare(ByRef Obj As Object) As Long
If Parent = Obj.Name Then '父控件先输出代码
Compare = 1
ElseIf Obj.Parent = Name Then
Compare = -1
ElseIf Parent = WTOP And Obj.Parent <> WTOP Then '顶层控件先输出
Compare = -1
ElseIf Parent <> WTOP And Obj.Parent = WTOP Then
Compare = 1
Else
Compare = 0
End If
End Function
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