[576] | 1 | 'Classes/ActiveBasic/Windows/UI/ListBox.ab
|
---|
| 2 | #require <Classes/ActiveBasic/Windows/UI/Control.ab>
|
---|
| 3 |
|
---|
| 4 | Namespace ActiveBasic
|
---|
| 5 | Namespace Windows
|
---|
| 6 | Namespace UI
|
---|
| 7 |
|
---|
| 8 | /*!
|
---|
| 9 | @brief リストボックスコントロールのクラス
|
---|
[611] | 10 | @date 2008/07/21
|
---|
[576] | 11 | @auther Egtra
|
---|
| 12 | */
|
---|
| 13 | Class ListBox
|
---|
[643] | 14 | Inherits WmCommandControl
|
---|
[611] | 15 | Public
|
---|
| 16 | Sub ListBox()
|
---|
| 17 | items = New Detail.ListBoxItemList(This)
|
---|
| 18 | End Sub
|
---|
| 19 |
|
---|
| 20 | Function Items() As System.Collections.Generic.IList<String>
|
---|
| 21 | Items = items
|
---|
| 22 | End Function
|
---|
| 23 |
|
---|
| 24 | Sub SetSelected(i As Long, select As Boolean)
|
---|
| 25 | Dim now = SendMessage(LB_GETSEL, i As WPARAM, 0)
|
---|
| 26 | lrCheck(now, i, "ListBox.SetSelected")
|
---|
| 27 | If (now > 0) <> (select As Long <> 0) Then
|
---|
| 28 | '現状とselectが異なればLB_SETCURSELで反転させる。
|
---|
| 29 | lrCheck(SendMessage(LB_SETCURSEL, i As WPARAM, 0), i, "ListBox.SetSelected")
|
---|
| 30 | End If
|
---|
| 31 | End Sub
|
---|
[643] | 32 |
|
---|
| 33 | /*
|
---|
| 34 | @date 2008/10/18
|
---|
| 35 | @todo 対応するイベントをまだ設けていない通知メッセージへの対応
|
---|
| 36 | */
|
---|
| 37 | Override Function RaiseCommandEvent(notificationCode As Word) As Boolean
|
---|
| 38 | Dim lr As LRESULT
|
---|
| 39 | RaiseCommandEvent = False
|
---|
| 40 | Select Case notificationCode
|
---|
| 41 | Case LBN_ERRSPACE
|
---|
| 42 | RaiseCommandEvent = False
|
---|
| 43 | Case LBN_SELCHANGE
|
---|
| 44 | RaiseCommandEvent = False
|
---|
| 45 | Case BN_CLICKED
|
---|
| 46 | RaiseCommandEvent = OnClick(Args.Empty)
|
---|
| 47 | Case LBN_DBLCLK
|
---|
| 48 | RaiseCommandEvent = OnDoubleClick(Args.Empty)
|
---|
| 49 | Case LBN_SELCANCEL
|
---|
| 50 | RaiseCommandEvent = False
|
---|
| 51 | Case LBN_SETFOCUS
|
---|
| 52 | RaiseCommandEvent = ProcessMessage(WM_SETFOCUS, 0, 0, lr)
|
---|
| 53 | Case LBN_KILLFOCUS
|
---|
| 54 | RaiseCommandEvent = ProcessMessage(WM_KILLFOCUS, 0, 0, lr)
|
---|
| 55 | End Select
|
---|
| 56 | End Function
|
---|
[576] | 57 | Protected
|
---|
| 58 | Override Sub GetCreateStruct(ByRef cs As CREATESTRUCT)
|
---|
| 59 | With cs
|
---|
| 60 | .lpszClass = "LISTBOX"
|
---|
| 61 | End With
|
---|
| 62 | End Sub
|
---|
| 63 |
|
---|
[611] | 64 | Private
|
---|
| 65 | items As Detail.ListBoxItemList
|
---|
| 66 |
|
---|
| 67 | Sub lrCheck(lr As LRESULT, i As Long, s As String)
|
---|
| 68 | Detail.LRCheck(lr, i, items.Count, s)
|
---|
| 69 | End Sub
|
---|
| 70 |
|
---|
| 71 | Sub lrCheck(lr As LRESULT, s As String)
|
---|
| 72 | Detail.LRCheck(lr, s)
|
---|
| 73 | End Sub
|
---|
[576] | 74 | End Class
|
---|
| 75 |
|
---|
[611] | 76 | Namespace Detail
|
---|
| 77 |
|
---|
| 78 | Class ListBoxItemList
|
---|
| 79 | Implements System.Collections.Generic.IList<String>
|
---|
| 80 | Public
|
---|
| 81 | Sub ListBoxItemList(l As ListBox)
|
---|
| 82 | base = l
|
---|
| 83 | End Sub
|
---|
| 84 |
|
---|
| 85 | Function GetEnumerator() As System.Collections.Generic.IEnumerator<String>
|
---|
| 86 | End Function
|
---|
| 87 |
|
---|
| 88 | Function Count() As Long
|
---|
| 89 | Count = base.SendMessage(LB_GETCOUNT) As Long
|
---|
| 90 | lrCheck(Count, "ListBox.Item.Count")
|
---|
| 91 | End Function
|
---|
| 92 |
|
---|
| 93 | Function IsReadOnly() As Boolean
|
---|
| 94 | Return False
|
---|
| 95 | End Function
|
---|
| 96 |
|
---|
| 97 | Sub Add(s As String)
|
---|
| 98 | lrCheck(base.SendMessage(LB_ADDSTRING, 0, ToTCStr(s) As LPARAM), "ListBox.Item.Add")
|
---|
| 99 | End Sub
|
---|
| 100 |
|
---|
| 101 | Sub Clear()
|
---|
| 102 | Do : Loop Until removeAtImpl(0) = LB_ERR
|
---|
| 103 | End Sub
|
---|
| 104 |
|
---|
| 105 | Function Remove(s As String) As Boolean
|
---|
| 106 | Dim i = IndexOf(s)
|
---|
| 107 | If i = -1 Then
|
---|
| 108 | Remove = False
|
---|
| 109 | Else
|
---|
| 110 | removeAtImpl(i)
|
---|
| 111 | Remove = True
|
---|
| 112 | End If
|
---|
| 113 | End Function
|
---|
| 114 |
|
---|
| 115 | Sub Operator [](index As Long, item As String)
|
---|
| 116 | Item[index] = item
|
---|
| 117 | End Sub
|
---|
| 118 |
|
---|
| 119 | Function Operator [](index As Long) As String
|
---|
| 120 | Return Item[index]
|
---|
| 121 | End Function
|
---|
| 122 |
|
---|
| 123 | Virtual Sub Item(i As Long, s As String)
|
---|
| 124 | lrCheck(removeAtImpl(i), i, "ListBox.Item[] (set)")
|
---|
| 125 | lrCheck(base.SendMessage(LB_INSERTSTRING, 0, ToTCStr(s) As LPARAM), i, "ListBox.Item[] (set)")
|
---|
| 126 | End Sub
|
---|
| 127 |
|
---|
| 128 | Virtual Function Item(i As Long) As String
|
---|
| 129 | Dim len = base.SendMessage(LB_GETTEXTLEN, i As WPARAM, 0)
|
---|
| 130 | lrCheck(len, i, "ListBox.Item[] (get)")
|
---|
| 131 | Dim sb = New System.Text.StringBuilder(len)
|
---|
| 132 | sb.Length = len
|
---|
| 133 | len = base.SendMessage(LB_GETTEXT, i As WPARAM, StrPtr(sb) As LPARAM)
|
---|
| 134 | lrCheck(len, i, "ListBox.Item[] (get)")
|
---|
| 135 | sb.Length = len
|
---|
| 136 | Item = sb.ToString
|
---|
| 137 | End Function
|
---|
| 138 |
|
---|
| 139 | Virtual Function IndexOf(s As String) As Long
|
---|
| 140 | '見つからなかったときに返るLB_ERRはちょうど-1。
|
---|
| 141 | IndexOf = base.SendMessage(LB_FINDSTRINGEXACT, -1 As WPARAM, ToTCStr(s) As LPARAM) As Long
|
---|
| 142 | End Function
|
---|
| 143 |
|
---|
| 144 | Virtual Sub Insert(i As Long, s As String)
|
---|
| 145 | Dim lr = base.SendMessage(LB_INSERTSTRING, 0, ToTCStr(s) As LPARAM)
|
---|
| 146 | lrCheck(lr, i, "ListBox.Item.Insert")
|
---|
| 147 | End Sub
|
---|
| 148 |
|
---|
| 149 | Virtual Sub RemoveAt(i As Long)
|
---|
| 150 | Dim lr = removeAtImpl(i)
|
---|
| 151 | lrCheck(lr, i, "ListBox.Item.RemoveAt")
|
---|
| 152 | End Sub
|
---|
| 153 | Private
|
---|
| 154 | Function removeAtImpl(i As Long) As LRESULT
|
---|
| 155 | removeAtImpl = base.SendMessage(LB_DELETESTRING, i As WPARAM, 0)
|
---|
| 156 | End Function
|
---|
| 157 |
|
---|
| 158 | Sub lrCheck(lr As LRESULT, s As String)
|
---|
| 159 | LRCheck(lr, s)
|
---|
| 160 | End Sub
|
---|
| 161 |
|
---|
| 162 | Sub lrCheck(lr As LRESULT, i As Long, s As String)
|
---|
| 163 | LRCheck(lr, i, Count, s)
|
---|
| 164 | End Sub
|
---|
| 165 |
|
---|
| 166 | base As ListBox
|
---|
| 167 | End Class
|
---|
| 168 |
|
---|
| 169 | /*!
|
---|
| 170 | @brief List Boxからの戻り値がエラー値の場合に例外を投げる。
|
---|
| 171 | @param[in] lr SendMessageなどの戻り値
|
---|
| 172 | @param[in] s 例外を投げるときに添加するメッセージ
|
---|
| 173 | @throw SystemException lrがエラー値のとき
|
---|
| 174 | @date 2008/08/21
|
---|
| 175 | @auther Egtra
|
---|
| 176 | */
|
---|
| 177 | Sub LRCheck(lr As LRESULT, s As String)
|
---|
| 178 | If lr = LB_ERR Then
|
---|
| 179 | Throw New System.SystemException(s & " (LB_ERR)")
|
---|
| 180 | ElseIf lr = LB_ERRSPACE Then
|
---|
| 181 | Throw New System.SystemException(s & " (LB_ERRSPACE)")
|
---|
| 182 | End If
|
---|
| 183 | End Sub
|
---|
| 184 |
|
---|
| 185 | /*!
|
---|
| 186 | @brief List Boxからの戻り値がエラー値の場合に例外を投げる。
|
---|
| 187 | @param[in] lr SendMessageなどの戻り値
|
---|
| 188 | @param[in] i インデックス
|
---|
| 189 | @param[in] max インデックスの許容される最大値
|
---|
| 190 | @param[in] s 例外を投げるときに添加するメッセージ
|
---|
| 191 | @throw SystemException lrがエラー値のとき
|
---|
| 192 | @throw OutOfRangeException lrがLB_ERRで、なおかつiが範囲外のとき
|
---|
| 193 | @date 2008/08/21
|
---|
| 194 | @auther Egtra
|
---|
| 195 | こちらは、iが範囲外かならOutOfRangeExceptionを投げるのが特徴
|
---|
| 196 | */
|
---|
| 197 | Sub LRCheck(lr As LRESULT, i As Long, max As Long, s As String)
|
---|
| 198 | If lr = LB_ERR Then
|
---|
| 199 | If i < 0 Or i >= max Then
|
---|
| 200 | Throw New System.ArgumentOutOfRangeException(s)
|
---|
| 201 | Else
|
---|
| 202 | Throw New System.SystemException(s & " (LB_ERR)")
|
---|
| 203 | End If
|
---|
| 204 | ElseIf lr = LB_ERRSPACE Then
|
---|
| 205 | Throw New System.SystemException(s & " (LB_ERRSPACE)")
|
---|
| 206 | End If
|
---|
| 207 | End Sub
|
---|
| 208 |
|
---|
| 209 | End Namespace
|
---|
| 210 |
|
---|
[576] | 211 | End Namespace 'UI
|
---|
| 212 | End Namespace 'Widnows
|
---|
| 213 | End Namespace 'ActiveBasic
|
---|