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Required plugins for this example:
Last modified Sun, 17th Mar 2012.
You find this example project in your MBS Xojo Plugin download as a Xojo project file within the examples folder: /Util/IsFileWritable tests
Download this example: IsFileWritable tests.zip
Project "IsFileWritable tests.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
End Class
Class Window1 Inherits Window
Control List Inherits Listbox
ControlInstance List Inherits Listbox
End Control
EventHandler Sub Open()
Createfolders
TestFolders
End EventHandler
Protected Sub CreateFolder(name as string, Permission as integer)
dim f as FolderItem = root.Child(name)
f.CreateAsFolder
folders.Append f
dim g as Folderitem = f.Child("testfile")
dim t as TextOutputStream = g.CreateTextFile
t.Write "Hello World"
f.Permissions = Permission
End Sub
Protected Sub CreateFolders()
dim n as integer
root = SpecialFolder.Desktop.Child("test")
while root=nil or root.Exists
n = n + 1
root = SpecialFolder.Desktop.Child("test"+str(n))
wend
root.CreateAsFolder
CreateFolder "4 read only", &o444
CreateFolder "2 write only", &o222
CreateFolder "1 execute only", &o111
CreateFolder "6 read+write", &o666
CreateFolder "7 all allowed", &o777
CreateFolder "5 read+execute", &o555
CreateFolder "3 write+execute", &o333
End Sub
Protected Sub TestDelete(f as FolderItem, index as integer)
dim g as FolderItem = f.Child("testfile")
g.Delete
if g.LastErrorCode = 0 then
List.Cell(index,5)="works"
else
List.Cell(index,5)=str(g.LastErrorCode)
end if
Exception
End Sub
Protected Sub TestFolders()
for each f as FolderItem in folders
test f
next
End Sub
Protected Sub TestRead(f as FolderItem, index as integer)
dim g as FolderItem = f.Child("testfile")
dim b as BinaryStream = g.OpenAsBinaryFile(false)
if b<>Nil then
List.Cell(index,4)="works"
else
List.Cell(index,4)=str(g.LastErrorCode)
end if
Exception
End Sub
Protected Sub TestWrite(f as FolderItem, index as integer)
dim g as FolderItem = f.Child("writetest")
dim b as BinaryStream = g.CreateBinaryFile("")
if b<>Nil then
List.Cell(index,3)="works"
else
List.Cell(index,3)=str(g.LastErrorCode)
end if
Exception
End Sub
Protected Sub test(f as FolderItem)
List.AddRow f.Name
List.Cell(List.LastIndex,1)=str(f.IsReadable)
List.Cell(List.LastIndex,2)=str(f.IsWriteable)
TestWrite f, List.LastIndex
TestRead f, List.LastIndex
TestDelete f, List.LastIndex
Exception
// ignore them all
End Sub
Property Protected folders() As FolderItem
Property Protected root As FolderItem
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "Select &All"
End MenuBar
End Project
Download this example: IsFileWritable tests.zip
The items on this page are in the following plugins: MBS Util Plugin.
